====================================== | [ 11.258536][ T232] softirqs last disabled at (26053): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.258538][ T232] Preemption disabled at: | [ 11.258539][ T232] 0x0 | [ 11.258550][ T232] Tainted: [W]=WARN [ 11.258551][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.258553][ T232] Call Trace: [ 11.258554][ T232] [ 11.258556][ T232] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.258562][ T232] __might_resched.cold (kernel/sched/core.c:9234) [ 11.258567][ T232] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.258571][ T232] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.258575][ T232] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.258577][ T232] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.258585][ T232] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.258587][ T232] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.258591][ T232] put_chars (drivers/char/virtio_console.c:1176) [ 11.258594][ T232] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.258595][ T232] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.258599][ T232] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.258604][ T232] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.258612][ T232] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.258615][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.258617][ T232] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.258621][ T232] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.258625][ T232] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.258627][ T232] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.258631][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.258632][ T232] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.258637][ T232] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.258641][ T232] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.258643][ T232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.258649][ T232] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.258652][ T232] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.258654][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.258655][ T232] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.258662][ T232] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.258664][ T232] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.258667][ T232] vprintk_emit (kernel/printk/printk.c:2479) [ 11.258670][ T232] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.258673][ T232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.258677][ T232] _printk (kernel/printk/printk.c:2504) [ 11.258680][ T232] ? snapshot_read.cold (user.c:?) [ 11.258683][ T232] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.258686][ T232] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.258690][ T232] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.258693][ T232] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.258697][ T232] ? exit_notify (kernel/exit.c:780) [ 11.258698][ T232] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.258701][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.258705][ T232] do_group_exit (kernel/exit.c:1151) [ 11.258708][ T232] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.258710][ T232] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.258712][ T232] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.258716][ T232] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.258719][ T232] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.258722][ T232] RIP: 0033:0x7f32a93be1b8 [ 11.258724][ T232] Code: Unable to access opcode bytes at 0x7f32a93be18e. Code starting with the faulting instruction =========================================== [ 11.258725][ T232] RSP: 002b:00007fff52f8c898 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.258734][ T232] RAX: ffffffffffffffda RBX: 00007f32a94eef88 RCX: 00007f32a93be1b8 [ 11.258736][ T232] RDX: 00007f32a9108fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.258737][ T232] RBP: 00007fff52f8c8f0 R08: 0000000000000000 R09: 0000000000008010 [ 11.258738][ T232] R10: 00007fff52f8c6b0 R11: 0000000000000246 R12: 0000000000000001 [ 11.258739][ T232] R13: 0000000000000000 R14: 00007f32a94ed680 R15: 00007f32a94eefa0 | [ 32.299301][ T800] softirqs last disabled at (15022): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 32.299303][ T800] Preemption disabled at: | [ 32.299304][ T800] vprintk_emit (kernel/printk/printk.c:2471) | [ 32.299312][ T800] Tainted: [W]=WARN [ 32.299314][ T800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.299315][ T800] Call Trace: [ 32.299317][ T800] [ 32.299318][ T800] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.299324][ T800] ? vprintk_emit (kernel/printk/printk.c:2471) [ 32.299326][ T800] __might_resched.cold (kernel/sched/core.c:9234) [ 32.299330][ T800] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.299335][ T800] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.299339][ T800] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 32.299341][ T800] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.299347][ T800] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 32.299350][ T800] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.299354][ T800] put_chars (drivers/char/virtio_console.c:1176) [ 32.299356][ T800] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.299362][ T800] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.299370][ T800] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.299373][ T800] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.299377][ T800] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.299381][ T800] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.299383][ T800] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 32.299387][ T800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.299389][ T800] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.299393][ T800] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.299397][ T800] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.299399][ T800] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.299405][ T800] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.299407][ T800] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.299409][ T800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.299411][ T800] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 32.299415][ T800] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.299416][ T800] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.299419][ T800] vprintk_emit (kernel/printk/printk.c:2479) [ 32.299422][ T800] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.299425][ T800] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 32.299430][ T800] _printk (kernel/printk/printk.c:2504) [ 32.299433][ T800] ? snapshot_read.cold (user.c:?) [ 32.299435][ T800] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.299438][ T800] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.299440][ T800] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.299442][ T800] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.299446][ T800] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.299449][ T800] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.299451][ T800] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.299454][ T800] ? netdev_notice (net/core/dev.c:13194) [ 32.299457][ T800] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.299460][ T800] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.299462][ T800] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 32.299466][ T800] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.299468][ T800] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 32.299470][ T800] ? register_netdev (net/core/dev.c:11618) [ 32.299471][ T800] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 32.299477][ T800] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 32.299479][ T800] ? __kernel_text_address (kernel/extable.c:79) [ 32.299482][ T800] ? write_profile (profile.c:?) [ 32.299486][ T800] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 32.299492][ T800] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.299495][ T800] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 32.299497][ T800] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 32.299499][ T800] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 32.299500][ T800] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 32.299504][ T800] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.299505][ T800] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.299507][ T800] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.299510][ T800] ? kasan_save_stack (mm/kasan/common.c:58) [ 32.299512][ T800] ? kasan_save_stack (mm/kasan/common.c:57) [ 32.299513][ T800] ? kasan_save_track (mm/kasan/common.c:78) [ 32.299514][ T800] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 32.299516][ T800] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.299518][ T800] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 32.299521][ T800] ? ___sys_sendmsg (net/socket.c:2758) [ 32.299525][ T800] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.299527][ T800] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 32.299530][ T800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.299532][ T800] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.299533][ T800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.299534][ T800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.299536][ T800] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 32.299538][ T800] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 32.299540][ T800] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 32.299541][ T800] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 32.299545][ T800] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 32.299546][ T800] ? nla_get_range_signed (lib/nlattr.c:270) [ 32.299551][ T800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.299553][ T800] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 32.299558][ T800] rtnl_newlink (net/core/rtnetlink.c:4215) [ 32.299563][ T800] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.299565][ T800] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.299570][ T800] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.299572][ T800] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.299574][ T800] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.299575][ T800] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.299579][ T800] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.299581][ T800] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 32.299584][ T800] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.299586][ T800] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.299590][ T800] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.299592][ T800] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.299596][ T800] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.299599][ T800] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.299602][ T800] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.299608][ T800] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 32.299610][ T800] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 32.299615][ T800] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.299619][ T800] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.299621][ T800] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.299626][ T800] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.299630][ T800] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.299634][ T800] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.299635][ T800] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 32.299640][ T800] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 32.299643][ T800] ____sys_sendmsg (net/socket.c:2713) [ 32.299646][ T800] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.299648][ T800] ? sock_write_iter (net/socket.c:1269) [ 32.299650][ T800] ? move_addr_to_kernel (net/socket.c:258) [ 32.299657][ T800] ___sys_sendmsg (net/socket.c:2767) [ 32.299664][ T800] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.299680][ T800] __sys_sendmsg (net/socket.c:2799) [ 32.299683][ T800] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.299689][ T800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.299692][ T800] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.299695][ T800] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.299698][ T800] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.299700][ T800] RIP: 0033:0x7ff7c78e554e [ 32.299704][ T800] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 32.299706][ T800] RSP: 002b:00007fff4802f6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.299708][ T800] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff7c78e554e [ 32.299710][ T800] RDX: 0000000000000000 RSI: 00007fff4802f770 RDI: 0000000000000005 [ 32.299711][ T800] RBP: 00007fff4802f6d0 R08: 0000000000000000 R09: 0000000000000000 [ 32.299711][ T800] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915047 [ 32.299712][ T800] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4802fe40 | [ 52.472310][ T1355] softirqs last disabled at (19584): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 52.472312][ T1355] Preemption disabled at: | [ 52.472313][ T1355] vprintk_emit (kernel/printk/printk.c:2471) | [ 52.472321][ T1355] Tainted: [W]=WARN [ 52.472323][ T1355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.472324][ T1355] Call Trace: [ 52.472326][ T1355] [ 52.472328][ T1355] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.472334][ T1355] ? vprintk_emit (kernel/printk/printk.c:2471) [ 52.472336][ T1355] __might_resched.cold (kernel/sched/core.c:9234) [ 52.472341][ T1355] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.472346][ T1355] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 52.472350][ T1355] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 52.472352][ T1355] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.472359][ T1355] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 52.472361][ T1355] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.472365][ T1355] put_chars (drivers/char/virtio_console.c:1176) [ 52.472368][ T1355] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.472374][ T1355] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.472382][ T1355] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.472385][ T1355] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.472390][ T1355] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.472394][ T1355] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.472396][ T1355] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 52.472399][ T1355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.472402][ T1355] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.472406][ T1355] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.472410][ T1355] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.472412][ T1355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.472418][ T1355] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.472421][ T1355] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.472423][ T1355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.472425][ T1355] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 52.472428][ T1355] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.472430][ T1355] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.472433][ T1355] vprintk_emit (kernel/printk/printk.c:2479) [ 52.472436][ T1355] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.472439][ T1355] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 52.472444][ T1355] _printk (kernel/printk/printk.c:2504) [ 52.472448][ T1355] ? snapshot_read.cold (user.c:?) [ 52.472449][ T1355] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.472452][ T1355] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 52.472455][ T1355] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 52.472457][ T1355] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 52.472461][ T1355] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 52.472464][ T1355] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 52.472466][ T1355] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 52.472469][ T1355] ? netdev_notice (net/core/dev.c:13194) [ 52.472472][ T1355] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.472475][ T1355] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.472478][ T1355] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 52.472482][ T1355] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 52.472484][ T1355] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 52.472486][ T1355] ? register_netdev (net/core/dev.c:11618) [ 52.472487][ T1355] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 52.472493][ T1355] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 52.472495][ T1355] ? __kernel_text_address (kernel/extable.c:79) [ 52.472498][ T1355] ? write_profile (profile.c:?) [ 52.472502][ T1355] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 52.472508][ T1355] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 52.472512][ T1355] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 52.472514][ T1355] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 52.472515][ T1355] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 52.472517][ T1355] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 52.472521][ T1355] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.472523][ T1355] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 52.472525][ T1355] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 52.472527][ T1355] ? kasan_save_stack (mm/kasan/common.c:58) [ 52.472530][ T1355] ? kasan_save_stack (mm/kasan/common.c:57) [ 52.472531][ T1355] ? kasan_save_track (mm/kasan/common.c:78) [ 52.472532][ T1355] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 52.472535][ T1355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.472537][ T1355] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 52.472539][ T1355] ? ___sys_sendmsg (net/socket.c:2758) [ 52.472543][ T1355] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.472546][ T1355] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 52.472548][ T1355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.472550][ T1355] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.472552][ T1355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.472553][ T1355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.472555][ T1355] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 52.472557][ T1355] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 52.472558][ T1355] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 52.472560][ T1355] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 52.472564][ T1355] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 52.472565][ T1355] ? nla_get_range_signed (lib/nlattr.c:270) [ 52.472570][ T1355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.472572][ T1355] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 52.472578][ T1355] rtnl_newlink (net/core/rtnetlink.c:4215) [ 52.472583][ T1355] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 52.472585][ T1355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.472590][ T1355] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.472592][ T1355] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.472594][ T1355] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 52.472596][ T1355] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.472600][ T1355] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 52.472602][ T1355] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 52.472605][ T1355] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 52.472606][ T1355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.472611][ T1355] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.472613][ T1355] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.472617][ T1355] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 52.472620][ T1355] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 52.472623][ T1355] ? netlink_ack (./include/linux/skbuff.h:2718) [ 52.472630][ T1355] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 52.472632][ T1355] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 52.472636][ T1355] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 52.472641][ T1355] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 52.472643][ T1355] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.472648][ T1355] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 52.472652][ T1355] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 52.472656][ T1355] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.472657][ T1355] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 52.472666][ T1355] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 52.472669][ T1355] ____sys_sendmsg (net/socket.c:2713) [ 52.472671][ T1355] ? copy_msghdr_from_user (net/socket.c:2650) [ 52.472674][ T1355] ? sock_write_iter (net/socket.c:1269) [ 52.472675][ T1355] ? move_addr_to_kernel (net/socket.c:258) [ 52.472683][ T1355] ___sys_sendmsg (net/socket.c:2767) [ 52.472686][ T1355] ? copy_msghdr_from_user (net/socket.c:2619) [ 52.472702][ T1355] __sys_sendmsg (net/socket.c:2799) [ 52.472705][ T1355] ? __sys_sendmsg_sock (net/socket.c:2780) [ 52.472711][ T1355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.472714][ T1355] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 52.472717][ T1355] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 52.472720][ T1355] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 52.472723][ T1355] RIP: 0033:0x7fe536b3154e [ 52.472727][ T1355] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 52.472729][ T1355] RSP: 002b:00007ffc726b2930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 52.472732][ T1355] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe536b3154e [ 52.472733][ T1355] RDX: 0000000000000000 RSI: 00007ffc726b29e0 RDI: 0000000000000005 [ 52.472734][ T1355] RBP: 00007ffc726b2940 R08: 0000000000000000 R09: 0000000000000000 [ 52.472735][ T1355] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91505b [ 52.472736][ T1355] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc726b30b0 | [ 52.505070][ C0] | [ 52.505071][ C0] | [ 52.505071][ C0] stack backtrace: | [ 52.505076][ C0] Tainted: [W]=WARN [ 52.505077][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.505078][ C0] Call Trace: [ 52.505079][ C0] [ 52.505080][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.505084][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 52.505087][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 52.505089][ C0] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 52.505092][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 52.505094][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 52.505095][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 52.505098][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.505100][ C0] ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 52.505102][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.505104][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.505106][ C0] console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 52.505108][ C0] ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 52.505110][ C0] vprintk_emit (kernel/printk/printk.c:2478) [ 52.505111][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.505113][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 52.505115][ C0] _printk (kernel/printk/printk.c:2504) [ 52.505117][ C0] ? snapshot_read.cold (user.c:?) [ 52.505119][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 52.505120][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.505123][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 52.505125][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 52.505126][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 52.505128][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 52.505130][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 52.505132][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 52.505135][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.505137][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.505139][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.505141][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 52.505143][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 52.505145][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 52.505147][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.505150][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.505153][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 52.505155][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 52.505157][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.505160][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.505161][ C0] handle_softirqs (kernel/softirq.c:645) [ 52.505163][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.505165][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 52.505167][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 52.505169][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 52.505170][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 52.505172][ C0] [ 52.505173][ C0] [ 52.505173][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 52.505175][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 52.505177][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 52.505179][ C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 52.505180][ C0] RSP: 0018:ffffffff9d807cf8 EFLAGS: 00000296 [ 52.505182][ C0] RAX: 00000000002355b5 RBX: ffffffff9d830600 RCX: ffffffff99f06247 [ 52.505184][ C0] RDX: ffffffff9d830600 RSI: ffffffff9d111027 RDI: ffffffff9ca949e0 [ 52.505185][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.505186][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3b00fa2 [ 52.505187][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 52.505188][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.505191][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 52.505192][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 52.505194][ C0] default_idle_call (kernel/sched/idle.c:122) [ 52.505195][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.505197][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 52.505199][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 52.505201][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.505203][ C0] do_idle (kernel/sched/idle.c:355) [ 52.505205][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 52.505206][ C0] rest_init (init/main.c:727) [ 52.505208][ C0] ? __cpuidle_text_end (??:?) [ 52.505211][ C0] ? rest_init (init/main.c:727) [ 52.505212][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 52.505216][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 52.505217][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 52.505220][ C0] start_kernel (init/main.c:1185) [ 52.505222][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 52.505223][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 52.505225][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 66.793764][ T1885] softirqs last disabled at (0): 0x0 | [ 66.793766][ T1885] Preemption disabled at: | [ 66.793767][ T1885] vprintk_emit (kernel/printk/printk.c:2471) | [ 66.793777][ T1885] Tainted: [W]=WARN [ 66.793778][ T1885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.793779][ T1885] Call Trace: [ 66.793781][ T1885] [ 66.793782][ T1885] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 66.793788][ T1885] ? vprintk_emit (kernel/printk/printk.c:2471) [ 66.793789][ T1885] __might_resched.cold (kernel/sched/core.c:9234) [ 66.793793][ T1885] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 66.793797][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793799][ T1885] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 66.793802][ T1885] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.793805][ T1885] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.793811][ T1885] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 66.793812][ T1885] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.793815][ T1885] put_chars (drivers/char/virtio_console.c:1176) [ 66.793817][ T1885] ? __send_to_port (drivers/char/virtio_console.c:654) [ 66.793818][ T1885] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 66.793820][ T1885] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 66.793823][ T1885] ? pointer (lib/vsprintf.c:2577) [ 66.793826][ T1885] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 66.793831][ T1885] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 66.793833][ T1885] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.793834][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.793837][ T1885] console_emit_next_record (kernel/printk/printk.c:3183) [ 66.793840][ T1885] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 66.793842][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793843][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793844][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793845][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.793847][ T1885] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 66.793849][ T1885] console_flush_one_record (kernel/printk/printk.c:3268) [ 66.793852][ T1885] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 66.793854][ T1885] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 66.793856][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.793858][ T1885] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 66.793860][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793861][ T1885] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 66.793862][ T1885] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 66.793864][ T1885] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 66.793865][ T1885] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 66.793868][ T1885] ? vprintk_emit (kernel/printk/printk.c:2478) [ 66.793869][ T1885] vprintk_emit (kernel/printk/printk.c:2479) [ 66.793871][ T1885] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 66.793872][ T1885] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 66.793874][ T1885] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 66.793878][ T1885] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 66.793880][ T1885] _printk (kernel/printk/printk.c:2504) [ 66.793883][ T1885] ? snapshot_read.cold (user.c:?) [ 66.793885][ T1885] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 66.793887][ T1885] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 66.793891][ T1885] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 66.793893][ T1885] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 66.793896][ T1885] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 66.793898][ T1885] ? netdev_notice (net/core/dev.c:13194) [ 66.793900][ T1885] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 66.793902][ T1885] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 66.793905][ T1885] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.793906][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793907][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793908][ T1885] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 66.793910][ T1885] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 66.793911][ T1885] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 66.793913][ T1885] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 66.793914][ T1885] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 66.793916][ T1885] ? register_netdev (net/core/dev.c:11618) [ 66.793917][ T1885] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 66.793919][ T1885] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 66.793922][ T1885] ? __kernel_text_address (kernel/extable.c:79) [ 66.793925][ T1885] ? write_profile (profile.c:?) [ 66.793927][ T1885] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 66.793931][ T1885] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 66.793933][ T1885] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 66.793934][ T1885] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 66.793936][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793937][ T1885] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 66.793940][ T1885] ? kasan_save_stack (mm/kasan/common.c:58) [ 66.793942][ T1885] ? kasan_save_stack (mm/kasan/common.c:57) [ 66.793943][ T1885] ? kasan_save_track (mm/kasan/common.c:78) [ 66.793944][ T1885] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 66.793946][ T1885] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 66.793947][ T1885] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 66.793948][ T1885] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 66.793949][ T1885] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 66.793952][ T1885] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 66.793954][ T1885] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 66.793955][ T1885] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 66.793958][ T1885] ? ____sys_sendmsg (net/socket.c:2713) [ 66.793959][ T1885] ? ___sys_sendmsg (net/socket.c:2767) [ 66.793961][ T1885] ? __sys_sendmsg (net/socket.c:2799) [ 66.793963][ T1885] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 66.793965][ T1885] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 66.793968][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793969][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.793971][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793972][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793973][ T1885] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 66.793974][ T1885] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 66.793976][ T1885] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 66.793977][ T1885] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 66.793978][ T1885] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 66.793980][ T1885] ? nla_get_range_signed (lib/nlattr.c:270) [ 66.793983][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793984][ T1885] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 66.793987][ T1885] rtnl_newlink (net/core/rtnetlink.c:4215) [ 66.793989][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793990][ T1885] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.793991][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.793993][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.793994][ T1885] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 66.793996][ T1885] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 66.793998][ T1885] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 66.793999][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.794001][ T1885] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 66.794004][ T1885] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 66.794006][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.794007][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.794009][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.794011][ T1885] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.794014][ T1885] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 66.794017][ T1885] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.794019][ T1885] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 66.794022][ T1885] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 66.794025][ T1885] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 66.794027][ T1885] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.794028][ T1885] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 66.794030][ T1885] ? netlink_ack (./include/linux/skbuff.h:2718) [ 66.794032][ T1885] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 66.794039][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.794041][ T1885] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 66.794043][ T1885] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 66.794045][ T1885] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 66.794047][ T1885] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 66.794049][ T1885] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 66.794052][ T1885] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 66.794054][ T1885] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 66.794055][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.794057][ T1885] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 66.794060][ T1885] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 66.794062][ T1885] ____sys_sendmsg (net/socket.c:2713) [ 66.794064][ T1885] ? copy_msghdr_from_user (net/socket.c:2650) [ 66.794066][ T1885] ? sock_write_iter (net/socket.c:1269) [ 66.794067][ T1885] ? move_addr_to_kernel (net/socket.c:258) [ 66.794069][ T1885] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 66.794071][ T1885] ___sys_sendmsg (net/socket.c:2767) [ 66.794073][ T1885] ? copy_msghdr_from_user (net/socket.c:2619) [ 66.794078][ T1885] __sys_sendmsg (net/socket.c:2799) [ 66.794080][ T1885] ? __sys_sendmsg_sock (net/socket.c:2780) [ 66.794083][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.794085][ T1885] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 66.794087][ T1885] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 66.794089][ T1885] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 66.794090][ T1885] RIP: 0033:0x7f015482d54e [ 66.794092][ T1885] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 66.794094][ T1885] RSP: 002b:00007ffd19171dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 66.794098][ T1885] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f015482d54e [ 66.794099][ T1885] RDX: 0000000000000000 RSI: 00007ffd19171e80 RDI: 0000000000000005 [ 66.794100][ T1885] RBP: 00007ffd19171de0 R08: 0000000000000000 R09: 0000000000000000 [ 66.794101][ T1885] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91506a [ 66.794102][ T1885] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd19172550 | [ 81.064681][ T2416] softirqs last disabled at (0): 0x0 | [ 81.064683][ T2416] Preemption disabled at: | [ 81.064684][ T2416] vprintk_emit (kernel/printk/printk.c:2471) | [ 81.064694][ T2416] Tainted: [W]=WARN [ 81.064695][ T2416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 81.064696][ T2416] Call Trace: [ 81.064698][ T2416] [ 81.064699][ T2416] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 81.064705][ T2416] ? vprintk_emit (kernel/printk/printk.c:2471) [ 81.064706][ T2416] __might_resched.cold (kernel/sched/core.c:9234) [ 81.064710][ T2416] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 81.064713][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064716][ T2416] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 81.064719][ T2416] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 81.064722][ T2416] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 81.064727][ T2416] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 81.064728][ T2416] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 81.064731][ T2416] put_chars (drivers/char/virtio_console.c:1176) [ 81.064732][ T2416] ? __send_to_port (drivers/char/virtio_console.c:654) [ 81.064734][ T2416] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 81.064736][ T2416] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 81.064738][ T2416] ? pointer (lib/vsprintf.c:2577) [ 81.064741][ T2416] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 81.064746][ T2416] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 81.064747][ T2416] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 81.064749][ T2416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.064752][ T2416] console_emit_next_record (kernel/printk/printk.c:3183) [ 81.064754][ T2416] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 81.064756][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064757][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064758][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064759][ T2416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.064761][ T2416] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 81.064763][ T2416] console_flush_one_record (kernel/printk/printk.c:3268) [ 81.064765][ T2416] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 81.064768][ T2416] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 81.064770][ T2416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.064771][ T2416] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 81.064773][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064774][ T2416] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 81.064775][ T2416] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 81.064777][ T2416] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 81.064778][ T2416] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 81.064780][ T2416] ? vprintk_emit (kernel/printk/printk.c:2478) [ 81.064782][ T2416] vprintk_emit (kernel/printk/printk.c:2479) [ 81.064783][ T2416] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 81.064785][ T2416] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 81.064787][ T2416] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 81.064790][ T2416] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 81.064792][ T2416] _printk (kernel/printk/printk.c:2504) [ 81.064795][ T2416] ? snapshot_read.cold (user.c:?) [ 81.064797][ T2416] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 81.064799][ T2416] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 81.064802][ T2416] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 81.064804][ T2416] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 81.064807][ T2416] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 81.064810][ T2416] ? netdev_notice (net/core/dev.c:13194) [ 81.064812][ T2416] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 81.064813][ T2416] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 81.064816][ T2416] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 81.064817][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064818][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064819][ T2416] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 81.064820][ T2416] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 81.064822][ T2416] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 81.064823][ T2416] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 81.064825][ T2416] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 81.064826][ T2416] ? register_netdev (net/core/dev.c:11618) [ 81.064828][ T2416] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 81.064829][ T2416] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 81.064832][ T2416] ? __kernel_text_address (kernel/extable.c:79) [ 81.064834][ T2416] ? write_profile (profile.c:?) [ 81.064837][ T2416] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 81.064841][ T2416] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 81.064843][ T2416] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 81.064844][ T2416] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 81.064845][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064846][ T2416] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 81.064850][ T2416] ? kasan_save_stack (mm/kasan/common.c:58) [ 81.064851][ T2416] ? kasan_save_stack (mm/kasan/common.c:57) [ 81.064852][ T2416] ? kasan_save_track (mm/kasan/common.c:78) [ 81.064853][ T2416] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 81.064854][ T2416] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 81.064855][ T2416] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 81.064857][ T2416] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 81.064858][ T2416] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 81.064861][ T2416] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 81.064862][ T2416] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 81.064864][ T2416] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 81.064866][ T2416] ? ____sys_sendmsg (net/socket.c:2713) [ 81.064867][ T2416] ? ___sys_sendmsg (net/socket.c:2767) [ 81.064869][ T2416] ? __sys_sendmsg (net/socket.c:2799) [ 81.064870][ T2416] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 81.064873][ T2416] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 81.064875][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064876][ T2416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.064878][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064879][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064880][ T2416] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 81.064881][ T2416] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 81.064882][ T2416] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 81.064884][ T2416] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 81.064885][ T2416] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 81.064886][ T2416] ? nla_get_range_signed (lib/nlattr.c:270) [ 81.064889][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064890][ T2416] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 81.064892][ T2416] rtnl_newlink (net/core/rtnetlink.c:4215) [ 81.064894][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064896][ T2416] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 81.064897][ T2416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.064898][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064900][ T2416] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 81.064902][ T2416] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 81.064903][ T2416] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 81.064904][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064906][ T2416] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 81.064909][ T2416] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 81.064911][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064912][ T2416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.064914][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064915][ T2416] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 81.064916][ T2416] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 81.064918][ T2416] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 81.064919][ T2416] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 81.064921][ T2416] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 81.064923][ T2416] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 81.064925][ T2416] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 81.064926][ T2416] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 81.064927][ T2416] ? netlink_ack (./include/linux/skbuff.h:2718) [ 81.064929][ T2416] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 81.064932][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064933][ T2416] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 81.064935][ T2416] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 81.064937][ T2416] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 81.064939][ T2416] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 81.064941][ T2416] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 81.064943][ T2416] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 81.064944][ T2416] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 81.064946][ T2416] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.064947][ T2416] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 81.064951][ T2416] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 81.064952][ T2416] ____sys_sendmsg (net/socket.c:2713) [ 81.064954][ T2416] ? copy_msghdr_from_user (net/socket.c:2650) [ 81.064956][ T2416] ? sock_write_iter (net/socket.c:1269) [ 81.064957][ T2416] ? move_addr_to_kernel (net/socket.c:258) [ 81.064959][ T2416] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 81.064961][ T2416] ___sys_sendmsg (net/socket.c:2767) [ 81.064963][ T2416] ? copy_msghdr_from_user (net/socket.c:2619) [ 81.064968][ T2416] __sys_sendmsg (net/socket.c:2799) [ 81.064970][ T2416] ? __sys_sendmsg_sock (net/socket.c:2780) [ 81.064972][ T2416] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.064974][ T2416] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 81.064976][ T2416] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 81.064977][ T2416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 81.064979][ T2416] RIP: 0033:0x7fc8c672354e [ 81.064981][ T2416] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 81.064983][ T2416] RSP: 002b:00007ffffba74d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 81.064986][ T2416] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc8c672354e [ 81.064988][ T2416] RDX: 0000000000000000 RSI: 00007ffffba74e40 RDI: 0000000000000005 [ 81.064989][ T2416] RBP: 00007ffffba74da0 R08: 0000000000000000 R09: 0000000000000000 [ 81.064989][ T2416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915078 [ 81.064990][ T2416] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffba75510 | [ 156.199488][ T3791] softirqs last disabled at (0): 0x0 | [ 156.199489][ T3791] Preemption disabled at: | [ 156.199490][ T3791] vprintk_emit (kernel/printk/printk.c:2471) | [ 156.199500][ T3791] Tainted: [W]=WARN [ 156.199501][ T3791] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 156.199502][ T3791] Call Trace: [ 156.199504][ T3791] [ 156.199505][ T3791] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 156.199510][ T3791] ? vprintk_emit (kernel/printk/printk.c:2471) [ 156.199512][ T3791] __might_resched.cold (kernel/sched/core.c:9234) [ 156.199515][ T3791] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 156.199519][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199521][ T3791] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 156.199524][ T3791] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 156.199527][ T3791] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 156.199538][ T3791] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 156.199540][ T3791] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 156.199542][ T3791] put_chars (drivers/char/virtio_console.c:1176) [ 156.199544][ T3791] ? __send_to_port (drivers/char/virtio_console.c:654) [ 156.199545][ T3791] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 156.199547][ T3791] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 156.199549][ T3791] ? pointer (lib/vsprintf.c:2577) [ 156.199553][ T3791] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 156.199558][ T3791] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 156.199559][ T3791] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 156.199561][ T3791] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 156.199564][ T3791] console_emit_next_record (kernel/printk/printk.c:3183) [ 156.199566][ T3791] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 156.199568][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199570][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199571][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199572][ T3791] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 156.199574][ T3791] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 156.199575][ T3791] console_flush_one_record (kernel/printk/printk.c:3268) [ 156.199578][ T3791] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 156.199580][ T3791] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 156.199582][ T3791] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 156.199584][ T3791] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 156.199585][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199586][ T3791] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 156.199588][ T3791] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 156.199589][ T3791] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 156.199591][ T3791] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 156.199593][ T3791] ? vprintk_emit (kernel/printk/printk.c:2478) [ 156.199594][ T3791] vprintk_emit (kernel/printk/printk.c:2479) [ 156.199596][ T3791] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 156.199597][ T3791] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 156.199599][ T3791] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 156.199602][ T3791] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 156.199604][ T3791] _printk (kernel/printk/printk.c:2504) [ 156.199607][ T3791] ? snapshot_read.cold (user.c:?) [ 156.199609][ T3791] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 156.199611][ T3791] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 156.199614][ T3791] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 156.199616][ T3791] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 156.199619][ T3791] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 156.199622][ T3791] ? netdev_notice (net/core/dev.c:13194) [ 156.199624][ T3791] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 156.199625][ T3791] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 156.199628][ T3791] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 156.199629][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199630][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199631][ T3791] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 156.199633][ T3791] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 156.199634][ T3791] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 156.199636][ T3791] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 156.199637][ T3791] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 156.199639][ T3791] ? register_netdev (net/core/dev.c:11618) [ 156.199640][ T3791] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 156.199642][ T3791] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 156.199644][ T3791] ? __kernel_text_address (kernel/extable.c:79) [ 156.199647][ T3791] ? write_profile (profile.c:?) [ 156.199650][ T3791] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 156.199654][ T3791] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 156.199655][ T3791] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 156.199657][ T3791] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 156.199658][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199661][ T3791] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 156.199665][ T3791] ? kasan_save_stack (mm/kasan/common.c:58) [ 156.199666][ T3791] ? kasan_save_stack (mm/kasan/common.c:57) [ 156.199667][ T3791] ? kasan_save_track (mm/kasan/common.c:78) [ 156.199669][ T3791] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 156.199670][ T3791] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 156.199671][ T3791] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 156.199672][ T3791] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 156.199673][ T3791] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 156.199676][ T3791] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 156.199678][ T3791] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 156.199679][ T3791] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 156.199682][ T3791] ? ____sys_sendmsg (net/socket.c:2713) [ 156.199683][ T3791] ? ___sys_sendmsg (net/socket.c:2767) [ 156.199684][ T3791] ? __sys_sendmsg (net/socket.c:2799) [ 156.199686][ T3791] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 156.199688][ T3791] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 156.199691][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199692][ T3791] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 156.199693][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199694][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199695][ T3791] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 156.199697][ T3791] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 156.199698][ T3791] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 156.199699][ T3791] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 156.199701][ T3791] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 156.199702][ T3791] ? nla_get_range_signed (lib/nlattr.c:270) [ 156.199705][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199706][ T3791] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 156.199709][ T3791] rtnl_newlink (net/core/rtnetlink.c:4215) [ 156.199711][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199712][ T3791] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 156.199713][ T3791] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 156.199714][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199716][ T3791] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 156.199718][ T3791] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 156.199719][ T3791] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 156.199721][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199722][ T3791] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 156.199725][ T3791] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 156.199728][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199729][ T3791] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 156.199730][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199731][ T3791] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 156.199733][ T3791] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 156.199734][ T3791] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 156.199736][ T3791] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 156.199737][ T3791] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 156.199740][ T3791] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 156.199741][ T3791] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 156.199743][ T3791] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 156.199744][ T3791] ? netlink_ack (./include/linux/skbuff.h:2718) [ 156.199746][ T3791] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 156.199749][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199750][ T3791] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 156.199752][ T3791] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 156.199754][ T3791] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 156.199756][ T3791] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 156.199758][ T3791] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 156.199760][ T3791] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 156.199762][ T3791] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 156.199764][ T3791] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 156.199765][ T3791] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 156.199768][ T3791] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 156.199770][ T3791] ____sys_sendmsg (net/socket.c:2713) [ 156.199772][ T3791] ? copy_msghdr_from_user (net/socket.c:2650) [ 156.199773][ T3791] ? sock_write_iter (net/socket.c:1269) [ 156.199775][ T3791] ? move_addr_to_kernel (net/socket.c:258) [ 156.199776][ T3791] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 156.199779][ T3791] ___sys_sendmsg (net/socket.c:2767) [ 156.199781][ T3791] ? copy_msghdr_from_user (net/socket.c:2619) [ 156.199785][ T3791] __sys_sendmsg (net/socket.c:2799) [ 156.199787][ T3791] ? __sys_sendmsg_sock (net/socket.c:2780) [ 156.199790][ T3791] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.199791][ T3791] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 156.199793][ T3791] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 156.199795][ T3791] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 156.199797][ T3791] RIP: 0033:0x7fc72041e54e [ 156.199799][ T3791] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 156.199800][ T3791] RSP: 002b:00007ffd4523ce90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 156.199804][ T3791] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc72041e54e [ 156.199806][ T3791] RDX: 0000000000000000 RSI: 00007ffd4523cf40 RDI: 0000000000000005 [ 156.199806][ T3791] RBP: 00007ffd4523cea0 R08: 0000000000000000 R09: 0000000000000000 [ 156.199807][ T3791] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150c3 [ 156.199808][ T3791] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4523d610 | [ 162.345621][ T4081] softirqs last disabled at (0): 0x0 | [ 162.345622][ T4081] Preemption disabled at: | [ 162.345623][ T4081] vprintk_emit (kernel/printk/printk.c:2471) | [ 162.345633][ T4081] Tainted: [W]=WARN [ 162.345634][ T4081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 162.345636][ T4081] Call Trace: [ 162.345637][ T4081] [ 162.345639][ T4081] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 162.345644][ T4081] ? vprintk_emit (kernel/printk/printk.c:2471) [ 162.345645][ T4081] __might_resched.cold (kernel/sched/core.c:9234) [ 162.345649][ T4081] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 162.345653][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345656][ T4081] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 162.345659][ T4081] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 162.345663][ T4081] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 162.345668][ T4081] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 162.345670][ T4081] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 162.345673][ T4081] put_chars (drivers/char/virtio_console.c:1176) [ 162.345675][ T4081] ? __send_to_port (drivers/char/virtio_console.c:654) [ 162.345676][ T4081] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 162.345678][ T4081] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 162.345680][ T4081] ? pointer (lib/vsprintf.c:2577) [ 162.345684][ T4081] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 162.345688][ T4081] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 162.345690][ T4081] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 162.345692][ T4081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 162.345695][ T4081] console_emit_next_record (kernel/printk/printk.c:3183) [ 162.345697][ T4081] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 162.345699][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345700][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345701][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345702][ T4081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 162.345704][ T4081] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 162.345706][ T4081] console_flush_one_record (kernel/printk/printk.c:3268) [ 162.345708][ T4081] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 162.345711][ T4081] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 162.345713][ T4081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 162.345715][ T4081] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 162.345717][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345718][ T4081] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 162.345719][ T4081] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 162.345721][ T4081] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 162.345722][ T4081] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 162.345724][ T4081] ? vprintk_emit (kernel/printk/printk.c:2478) [ 162.345726][ T4081] vprintk_emit (kernel/printk/printk.c:2479) [ 162.345727][ T4081] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 162.345728][ T4081] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 162.345731][ T4081] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 162.345734][ T4081] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 162.345736][ T4081] _printk (kernel/printk/printk.c:2504) [ 162.345739][ T4081] ? snapshot_read.cold (user.c:?) [ 162.345741][ T4081] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 162.345743][ T4081] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 162.345747][ T4081] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 162.345748][ T4081] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 162.345752][ T4081] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 162.345754][ T4081] ? netdev_notice (net/core/dev.c:13194) [ 162.345756][ T4081] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 162.345757][ T4081] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 162.345760][ T4081] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 162.345762][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345763][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345764][ T4081] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 162.345765][ T4081] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 162.345767][ T4081] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 162.345768][ T4081] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 162.345769][ T4081] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 162.345771][ T4081] ? register_netdev (net/core/dev.c:11618) [ 162.345773][ T4081] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 162.345775][ T4081] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 162.345777][ T4081] ? __kernel_text_address (kernel/extable.c:79) [ 162.345780][ T4081] ? write_profile (profile.c:?) [ 162.345783][ T4081] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 162.345787][ T4081] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 162.345788][ T4081] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 162.345790][ T4081] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 162.345791][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345792][ T4081] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 162.345795][ T4081] ? kasan_save_stack (mm/kasan/common.c:58) [ 162.345797][ T4081] ? kasan_save_stack (mm/kasan/common.c:57) [ 162.345798][ T4081] ? kasan_save_track (mm/kasan/common.c:78) [ 162.345799][ T4081] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 162.345801][ T4081] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 162.345802][ T4081] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 162.345803][ T4081] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 162.345804][ T4081] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 162.345807][ T4081] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 162.345809][ T4081] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 162.345810][ T4081] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 162.345813][ T4081] ? ____sys_sendmsg (net/socket.c:2713) [ 162.345814][ T4081] ? ___sys_sendmsg (net/socket.c:2767) [ 162.345817][ T4081] ? __sys_sendmsg (net/socket.c:2799) [ 162.345819][ T4081] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 162.345823][ T4081] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 162.345827][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345828][ T4081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 162.345829][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345830][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345831][ T4081] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 162.345833][ T4081] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 162.345834][ T4081] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 162.345836][ T4081] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 162.345837][ T4081] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 162.345838][ T4081] ? nla_get_range_signed (lib/nlattr.c:270) [ 162.345842][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345843][ T4081] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 162.345845][ T4081] rtnl_newlink (net/core/rtnetlink.c:4215) [ 162.345847][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345848][ T4081] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 162.345849][ T4081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 162.345851][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345852][ T4081] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 162.345854][ T4081] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 162.345856][ T4081] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 162.345857][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345858][ T4081] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 162.345861][ T4081] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 162.345864][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345865][ T4081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 162.345866][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345867][ T4081] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 162.345869][ T4081] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 162.345870][ T4081] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 162.345872][ T4081] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 162.345873][ T4081] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 162.345876][ T4081] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 162.345878][ T4081] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 162.345879][ T4081] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 162.345881][ T4081] ? netlink_ack (./include/linux/skbuff.h:2718) [ 162.345882][ T4081] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 162.345885][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345886][ T4081] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 162.345888][ T4081] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 162.345891][ T4081] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 162.345892][ T4081] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 162.345894][ T4081] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 162.345897][ T4081] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 162.345898][ T4081] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 162.345900][ T4081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 162.345902][ T4081] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 162.345905][ T4081] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 162.345907][ T4081] ____sys_sendmsg (net/socket.c:2713) [ 162.345908][ T4081] ? copy_msghdr_from_user (net/socket.c:2650) [ 162.345910][ T4081] ? sock_write_iter (net/socket.c:1269) [ 162.345911][ T4081] ? move_addr_to_kernel (net/socket.c:258) [ 162.345913][ T4081] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 162.345916][ T4081] ___sys_sendmsg (net/socket.c:2767) [ 162.345918][ T4081] ? copy_msghdr_from_user (net/socket.c:2619) [ 162.345922][ T4081] __sys_sendmsg (net/socket.c:2799) [ 162.345924][ T4081] ? __sys_sendmsg_sock (net/socket.c:2780) [ 162.345927][ T4081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 162.345929][ T4081] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 162.345931][ T4081] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 162.345933][ T4081] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 162.345934][ T4081] RIP: 0033:0x7f5df06b554e [ 162.345936][ T4081] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 162.345938][ T4081] RSP: 002b:00007ffc53409210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 162.345942][ T4081] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5df06b554e [ 162.345943][ T4081] RDX: 0000000000000000 RSI: 00007ffc534092c0 RDI: 0000000000000005 [ 162.345944][ T4081] RBP: 00007ffc53409220 R08: 0000000000000000 R09: 0000000000000000 [ 162.345945][ T4081] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150c9 [ 162.345946][ T4081] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc53409990 | [ 225.062012][ T5099] softirqs last disabled at (0): 0x0 | [ 225.062014][ T5099] Preemption disabled at: | [ 225.062014][ T5099] vprintk_emit (kernel/printk/printk.c:2471) | [ 225.062024][ T5099] Tainted: [W]=WARN [ 225.062025][ T5099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 225.062027][ T5099] Call Trace: [ 225.062028][ T5099] [ 225.062029][ T5099] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 225.062035][ T5099] ? vprintk_emit (kernel/printk/printk.c:2471) [ 225.062036][ T5099] __might_resched.cold (kernel/sched/core.c:9234) [ 225.062040][ T5099] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 225.062044][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062046][ T5099] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 225.062049][ T5099] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 225.062052][ T5099] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 225.062058][ T5099] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 225.062059][ T5099] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 225.062062][ T5099] put_chars (drivers/char/virtio_console.c:1176) [ 225.062063][ T5099] ? __send_to_port (drivers/char/virtio_console.c:654) [ 225.062064][ T5099] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 225.062067][ T5099] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 225.062069][ T5099] ? pointer (lib/vsprintf.c:2577) [ 225.062072][ T5099] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 225.062077][ T5099] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 225.062079][ T5099] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 225.062081][ T5099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 225.062083][ T5099] console_emit_next_record (kernel/printk/printk.c:3183) [ 225.062086][ T5099] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 225.062088][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062089][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062090][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062091][ T5099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 225.062093][ T5099] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 225.062095][ T5099] console_flush_one_record (kernel/printk/printk.c:3268) [ 225.062097][ T5099] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 225.062100][ T5099] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 225.062101][ T5099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 225.062103][ T5099] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 225.062105][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062106][ T5099] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 225.062107][ T5099] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 225.062109][ T5099] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 225.062110][ T5099] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 225.062112][ T5099] ? vprintk_emit (kernel/printk/printk.c:2478) [ 225.062114][ T5099] vprintk_emit (kernel/printk/printk.c:2479) [ 225.062116][ T5099] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 225.062117][ T5099] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 225.062119][ T5099] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 225.062122][ T5099] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 225.062125][ T5099] _printk (kernel/printk/printk.c:2504) [ 225.062128][ T5099] ? snapshot_read.cold (user.c:?) [ 225.062130][ T5099] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 225.062132][ T5099] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 225.062135][ T5099] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 225.062137][ T5099] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 225.062140][ T5099] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 225.062142][ T5099] ? netdev_notice (net/core/dev.c:13194) [ 225.062144][ T5099] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 225.062146][ T5099] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 225.062149][ T5099] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 225.062150][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062151][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062152][ T5099] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 225.062154][ T5099] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 225.062155][ T5099] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 225.062156][ T5099] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 225.062158][ T5099] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 225.062160][ T5099] ? register_netdev (net/core/dev.c:11618) [ 225.062161][ T5099] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 225.062163][ T5099] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 225.062166][ T5099] ? __kernel_text_address (kernel/extable.c:79) [ 225.062168][ T5099] ? write_profile (profile.c:?) [ 225.062171][ T5099] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 225.062175][ T5099] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 225.062177][ T5099] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 225.062178][ T5099] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 225.062179][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062181][ T5099] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 225.062184][ T5099] ? kasan_save_stack (mm/kasan/common.c:58) [ 225.062186][ T5099] ? kasan_save_stack (mm/kasan/common.c:57) [ 225.062187][ T5099] ? kasan_save_track (mm/kasan/common.c:78) [ 225.062188][ T5099] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 225.062189][ T5099] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 225.062190][ T5099] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 225.062191][ T5099] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 225.062192][ T5099] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 225.062195][ T5099] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 225.062197][ T5099] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 225.062198][ T5099] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 225.062201][ T5099] ? ____sys_sendmsg (net/socket.c:2713) [ 225.062202][ T5099] ? ___sys_sendmsg (net/socket.c:2767) [ 225.062204][ T5099] ? __sys_sendmsg (net/socket.c:2799) [ 225.062205][ T5099] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 225.062208][ T5099] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 225.062210][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062211][ T5099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 225.062213][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062214][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062215][ T5099] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 225.062216][ T5099] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 225.062218][ T5099] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 225.062219][ T5099] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 225.062220][ T5099] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 225.062222][ T5099] ? nla_get_range_signed (lib/nlattr.c:270) [ 225.062225][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062226][ T5099] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 225.062228][ T5099] rtnl_newlink (net/core/rtnetlink.c:4215) [ 225.062230][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062231][ T5099] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 225.062232][ T5099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 225.062234][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062235][ T5099] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 225.062237][ T5099] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 225.062239][ T5099] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 225.062240][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062241][ T5099] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 225.062244][ T5099] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 225.062247][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062248][ T5099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 225.062250][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062251][ T5099] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 225.062252][ T5099] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 225.062254][ T5099] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 225.062255][ T5099] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 225.062257][ T5099] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 225.062259][ T5099] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 225.062261][ T5099] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 225.062262][ T5099] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 225.062264][ T5099] ? netlink_ack (./include/linux/skbuff.h:2718) [ 225.062265][ T5099] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 225.062268][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062269][ T5099] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 225.062271][ T5099] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 225.062274][ T5099] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 225.062275][ T5099] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 225.062277][ T5099] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 225.062279][ T5099] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 225.062281][ T5099] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 225.062283][ T5099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 225.062284][ T5099] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 225.062288][ T5099] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 225.062289][ T5099] ____sys_sendmsg (net/socket.c:2713) [ 225.062291][ T5099] ? copy_msghdr_from_user (net/socket.c:2650) [ 225.062293][ T5099] ? sock_write_iter (net/socket.c:1269) [ 225.062294][ T5099] ? move_addr_to_kernel (net/socket.c:258) [ 225.062296][ T5099] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 225.062298][ T5099] ___sys_sendmsg (net/socket.c:2767) [ 225.062300][ T5099] ? copy_msghdr_from_user (net/socket.c:2619) [ 225.062305][ T5099] __sys_sendmsg (net/socket.c:2799) [ 225.062307][ T5099] ? __sys_sendmsg_sock (net/socket.c:2780) [ 225.062310][ T5099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 225.062311][ T5099] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 225.062313][ T5099] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 225.062315][ T5099] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 225.062317][ T5099] RIP: 0033:0x7fcfa867054e [ 225.062319][ T5099] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 225.062321][ T5099] RSP: 002b:00007ffe21f7f420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 225.062324][ T5099] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcfa867054e [ 225.062326][ T5099] RDX: 0000000000000000 RSI: 00007ffe21f7f4d0 RDI: 0000000000000005 [ 225.062327][ T5099] RBP: 00007ffe21f7f430 R08: 0000000000000000 R09: 0000000000000000 [ 225.062327][ T5099] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915108 [ 225.062328][ T5099] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe21f7fba0 | [ 260.583761][ T6985] softirqs last disabled at (0): 0x0 | [ 260.583762][ T6985] Preemption disabled at: | [ 260.583763][ T6985] vprintk_emit (kernel/printk/printk.c:2471) | [ 260.583773][ T6985] Tainted: [W]=WARN [ 260.583774][ T6985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 260.583776][ T6985] Call Trace: [ 260.583777][ T6985] [ 260.583778][ T6985] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 260.583784][ T6985] ? vprintk_emit (kernel/printk/printk.c:2471) [ 260.583785][ T6985] __might_resched.cold (kernel/sched/core.c:9234) [ 260.583789][ T6985] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 260.583793][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583795][ T6985] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 260.583798][ T6985] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 260.583801][ T6985] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 260.583807][ T6985] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 260.583808][ T6985] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 260.583811][ T6985] put_chars (drivers/char/virtio_console.c:1176) [ 260.583813][ T6985] ? __send_to_port (drivers/char/virtio_console.c:654) [ 260.583814][ T6985] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 260.583818][ T6985] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 260.583821][ T6985] ? pointer (lib/vsprintf.c:2577) [ 260.583826][ T6985] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 260.583831][ T6985] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 260.583833][ T6985] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 260.583835][ T6985] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 260.583838][ T6985] console_emit_next_record (kernel/printk/printk.c:3183) [ 260.583841][ T6985] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 260.583843][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583844][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583845][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583846][ T6985] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 260.583848][ T6985] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 260.583850][ T6985] console_flush_one_record (kernel/printk/printk.c:3268) [ 260.583852][ T6985] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 260.583855][ T6985] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 260.583857][ T6985] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 260.583859][ T6985] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 260.583861][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583862][ T6985] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 260.583863][ T6985] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 260.583865][ T6985] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 260.583866][ T6985] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 260.583869][ T6985] ? vprintk_emit (kernel/printk/printk.c:2478) [ 260.583870][ T6985] vprintk_emit (kernel/printk/printk.c:2479) [ 260.583872][ T6985] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 260.583873][ T6985] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 260.583876][ T6985] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 260.583879][ T6985] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 260.583881][ T6985] _printk (kernel/printk/printk.c:2504) [ 260.583884][ T6985] ? snapshot_read.cold (user.c:?) [ 260.583886][ T6985] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 260.583888][ T6985] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 260.583892][ T6985] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 260.583894][ T6985] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 260.583897][ T6985] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 260.583899][ T6985] ? netdev_notice (net/core/dev.c:13194) [ 260.583901][ T6985] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 260.583903][ T6985] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 260.583905][ T6985] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 260.583907][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583908][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583909][ T6985] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 260.583911][ T6985] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 260.583912][ T6985] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 260.583913][ T6985] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 260.583915][ T6985] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 260.583917][ T6985] ? register_netdev (net/core/dev.c:11618) [ 260.583918][ T6985] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 260.583920][ T6985] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 260.583923][ T6985] ? __kernel_text_address (kernel/extable.c:79) [ 260.583925][ T6985] ? write_profile (profile.c:?) [ 260.583928][ T6985] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 260.583932][ T6985] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 260.583934][ T6985] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 260.583935][ T6985] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 260.583937][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583938][ T6985] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 260.583941][ T6985] ? kasan_save_stack (mm/kasan/common.c:58) [ 260.583943][ T6985] ? kasan_save_stack (mm/kasan/common.c:57) [ 260.583944][ T6985] ? kasan_save_track (mm/kasan/common.c:78) [ 260.583945][ T6985] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 260.583946][ T6985] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 260.583948][ T6985] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 260.583949][ T6985] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 260.583950][ T6985] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 260.583953][ T6985] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 260.583955][ T6985] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 260.583956][ T6985] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 260.583959][ T6985] ? ____sys_sendmsg (net/socket.c:2713) [ 260.583960][ T6985] ? ___sys_sendmsg (net/socket.c:2767) [ 260.583962][ T6985] ? __sys_sendmsg (net/socket.c:2799) [ 260.583964][ T6985] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 260.583966][ T6985] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 260.583969][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583970][ T6985] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 260.583972][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583972][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583974][ T6985] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 260.583975][ T6985] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 260.583976][ T6985] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 260.583978][ T6985] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 260.583979][ T6985] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 260.583980][ T6985] ? nla_get_range_signed (lib/nlattr.c:270) [ 260.583984][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583985][ T6985] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 260.583987][ T6985] rtnl_newlink (net/core/rtnetlink.c:4215) [ 260.583989][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583990][ T6985] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 260.583991][ T6985] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 260.583993][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.583994][ T6985] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 260.583997][ T6985] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 260.583998][ T6985] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 260.584000][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.584001][ T6985] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 260.584004][ T6985] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 260.584006][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.584008][ T6985] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 260.584009][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.584010][ T6985] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 260.584012][ T6985] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 260.584013][ T6985] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 260.584015][ T6985] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 260.584016][ T6985] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 260.584019][ T6985] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 260.584021][ T6985] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 260.584022][ T6985] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 260.584024][ T6985] ? netlink_ack (./include/linux/skbuff.h:2718) [ 260.584025][ T6985] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 260.584029][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.584030][ T6985] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 260.584032][ T6985] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 260.584034][ T6985] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 260.584036][ T6985] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 260.584038][ T6985] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 260.584040][ T6985] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 260.584042][ T6985] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 260.584044][ T6985] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 260.584045][ T6985] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 260.584049][ T6985] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 260.584050][ T6985] ____sys_sendmsg (net/socket.c:2713) [ 260.584052][ T6985] ? copy_msghdr_from_user (net/socket.c:2650) [ 260.584054][ T6985] ? sock_write_iter (net/socket.c:1269) [ 260.584055][ T6985] ? move_addr_to_kernel (net/socket.c:258) [ 260.584057][ T6985] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 260.584060][ T6985] ___sys_sendmsg (net/socket.c:2767) [ 260.584062][ T6985] ? copy_msghdr_from_user (net/socket.c:2619) [ 260.584067][ T6985] __sys_sendmsg (net/socket.c:2799) [ 260.584069][ T6985] ? __sys_sendmsg_sock (net/socket.c:2780) [ 260.584072][ T6985] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 260.584073][ T6985] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 260.584075][ T6985] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 260.584077][ T6985] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 260.584079][ T6985] RIP: 0033:0x7fcff5b4454e [ 260.584081][ T6985] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 260.584082][ T6985] RSP: 002b:00007ffd5fec9640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 260.584086][ T6985] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcff5b4454e [ 260.584087][ T6985] RDX: 0000000000000000 RSI: 00007ffd5fec96f0 RDI: 0000000000000005 [ 260.584088][ T6985] RBP: 00007ffd5fec9650 R08: 0000000000000000 R09: 0000000000000000 [ 260.584089][ T6985] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91512b [ 260.584090][ T6985] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5fec9dc0 | [ 278.603324][ T7933] softirqs last disabled at (0): 0x0 | [ 278.603326][ T7933] Preemption disabled at: | [ 278.603327][ T7933] vprintk_emit (kernel/printk/printk.c:2471) | [ 278.603337][ T7933] Tainted: [W]=WARN [ 278.603338][ T7933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 278.603339][ T7933] Call Trace: [ 278.603341][ T7933] [ 278.603342][ T7933] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 278.603347][ T7933] ? vprintk_emit (kernel/printk/printk.c:2471) [ 278.603349][ T7933] __might_resched.cold (kernel/sched/core.c:9234) [ 278.603353][ T7933] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 278.603357][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603359][ T7933] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 278.603362][ T7933] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 278.603365][ T7933] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 278.603370][ T7933] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 278.603372][ T7933] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 278.603375][ T7933] put_chars (drivers/char/virtio_console.c:1176) [ 278.603376][ T7933] ? __send_to_port (drivers/char/virtio_console.c:654) [ 278.603377][ T7933] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 278.603380][ T7933] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 278.603382][ T7933] ? pointer (lib/vsprintf.c:2577) [ 278.603385][ T7933] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 278.603390][ T7933] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 278.603392][ T7933] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 278.603393][ T7933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 278.603396][ T7933] console_emit_next_record (kernel/printk/printk.c:3183) [ 278.603399][ T7933] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 278.603401][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603402][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603403][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603404][ T7933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 278.603406][ T7933] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 278.603408][ T7933] console_flush_one_record (kernel/printk/printk.c:3268) [ 278.603410][ T7933] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 278.603413][ T7933] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 278.603415][ T7933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 278.603416][ T7933] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 278.603418][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603419][ T7933] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 278.603421][ T7933] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 278.603422][ T7933] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 278.603424][ T7933] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 278.603426][ T7933] ? vprintk_emit (kernel/printk/printk.c:2478) [ 278.603427][ T7933] vprintk_emit (kernel/printk/printk.c:2479) [ 278.603429][ T7933] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 278.603430][ T7933] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 278.603432][ T7933] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 278.603435][ T7933] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 278.603438][ T7933] _printk (kernel/printk/printk.c:2504) [ 278.603441][ T7933] ? snapshot_read.cold (user.c:?) [ 278.603443][ T7933] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 278.603445][ T7933] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 278.603448][ T7933] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 278.603450][ T7933] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 278.603453][ T7933] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 278.603455][ T7933] ? netdev_notice (net/core/dev.c:13194) [ 278.603457][ T7933] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 278.603459][ T7933] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 278.603462][ T7933] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 278.603463][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603464][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603465][ T7933] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 278.603467][ T7933] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 278.603468][ T7933] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 278.603469][ T7933] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 278.603471][ T7933] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 278.603472][ T7933] ? register_netdev (net/core/dev.c:11618) [ 278.603474][ T7933] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 278.603476][ T7933] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 278.603478][ T7933] ? __kernel_text_address (kernel/extable.c:79) [ 278.603481][ T7933] ? write_profile (profile.c:?) [ 278.603483][ T7933] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 278.603487][ T7933] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 278.603489][ T7933] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 278.603491][ T7933] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 278.603492][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603493][ T7933] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 278.603496][ T7933] ? kasan_save_stack (mm/kasan/common.c:58) [ 278.603498][ T7933] ? kasan_save_stack (mm/kasan/common.c:57) [ 278.603499][ T7933] ? kasan_save_track (mm/kasan/common.c:78) [ 278.603500][ T7933] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 278.603501][ T7933] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 278.603503][ T7933] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 278.603504][ T7933] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 278.603505][ T7933] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 278.603508][ T7933] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 278.603510][ T7933] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 278.603511][ T7933] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 278.603514][ T7933] ? ____sys_sendmsg (net/socket.c:2713) [ 278.603515][ T7933] ? ___sys_sendmsg (net/socket.c:2767) [ 278.603516][ T7933] ? __sys_sendmsg (net/socket.c:2799) [ 278.603518][ T7933] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 278.603520][ T7933] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 278.603523][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603524][ T7933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 278.603525][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603526][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603527][ T7933] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 278.603529][ T7933] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 278.603530][ T7933] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 278.603531][ T7933] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 278.603533][ T7933] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 278.603534][ T7933] ? nla_get_range_signed (lib/nlattr.c:270) [ 278.603537][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603538][ T7933] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 278.603540][ T7933] rtnl_newlink (net/core/rtnetlink.c:4215) [ 278.603542][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603544][ T7933] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 278.603545][ T7933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 278.603546][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603547][ T7933] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 278.603550][ T7933] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 278.603551][ T7933] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 278.603552][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603553][ T7933] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 278.603557][ T7933] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 278.603559][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603560][ T7933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 278.603562][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603563][ T7933] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 278.603564][ T7933] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 278.603566][ T7933] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 278.603568][ T7933] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 278.603569][ T7933] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 278.603571][ T7933] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 278.603573][ T7933] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 278.603575][ T7933] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 278.603576][ T7933] ? netlink_ack (./include/linux/skbuff.h:2718) [ 278.603578][ T7933] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 278.603581][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603582][ T7933] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 278.603584][ T7933] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 278.603586][ T7933] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 278.603588][ T7933] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 278.603590][ T7933] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 278.603592][ T7933] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 278.603594][ T7933] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 278.603595][ T7933] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 278.603597][ T7933] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 278.603600][ T7933] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 278.603602][ T7933] ____sys_sendmsg (net/socket.c:2713) [ 278.603603][ T7933] ? copy_msghdr_from_user (net/socket.c:2650) [ 278.603605][ T7933] ? sock_write_iter (net/socket.c:1269) [ 278.603606][ T7933] ? move_addr_to_kernel (net/socket.c:258) [ 278.603608][ T7933] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 278.603611][ T7933] ___sys_sendmsg (net/socket.c:2767) [ 278.603612][ T7933] ? copy_msghdr_from_user (net/socket.c:2619) [ 278.603617][ T7933] __sys_sendmsg (net/socket.c:2799) [ 278.603619][ T7933] ? __sys_sendmsg_sock (net/socket.c:2780) [ 278.603622][ T7933] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 278.603624][ T7933] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 278.603625][ T7933] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 278.603627][ T7933] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 278.603629][ T7933] RIP: 0033:0x7f3ffca7954e [ 278.603631][ T7933] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 278.603633][ T7933] RSP: 002b:00007ffc69852900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 278.603636][ T7933] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3ffca7954e [ 278.603638][ T7933] RDX: 0000000000000000 RSI: 00007ffc698529b0 RDI: 0000000000000005 [ 278.603638][ T7933] RBP: 00007ffc69852910 R08: 0000000000000000 R09: 0000000000000000 [ 278.603639][ T7933] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91513d [ 278.603640][ T7933] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc69853080 | [ 283.900474][ T8140] softirqs last disabled at (0): 0x0 | [ 283.900477][ T8140] Preemption disabled at: | [ 283.900478][ T8140] vprintk_emit (kernel/printk/printk.c:2471) | [ 283.900490][ T8140] Tainted: [W]=WARN [ 283.900492][ T8140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 283.900494][ T8140] Call Trace: [ 283.900496][ T8140] [ 283.900498][ T8140] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 283.900504][ T8140] ? vprintk_emit (kernel/printk/printk.c:2471) [ 283.900506][ T8140] __might_resched.cold (kernel/sched/core.c:9234) [ 283.900511][ T8140] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 283.900516][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900520][ T8140] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 283.900524][ T8140] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 283.900527][ T8140] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 283.900534][ T8140] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 283.900537][ T8140] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 283.900540][ T8140] put_chars (drivers/char/virtio_console.c:1176) [ 283.900543][ T8140] ? __send_to_port (drivers/char/virtio_console.c:654) [ 283.900546][ T8140] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 283.900549][ T8140] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 283.900552][ T8140] ? pointer (lib/vsprintf.c:2577) [ 283.900557][ T8140] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 283.900563][ T8140] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 283.900566][ T8140] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 283.900569][ T8140] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 283.900573][ T8140] console_emit_next_record (kernel/printk/printk.c:3183) [ 283.900577][ T8140] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 283.900580][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900582][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900584][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900586][ T8140] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 283.900589][ T8140] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 283.900592][ T8140] console_flush_one_record (kernel/printk/printk.c:3268) [ 283.900596][ T8140] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 283.900600][ T8140] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 283.900603][ T8140] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 283.900606][ T8140] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 283.900608][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900610][ T8140] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 283.900613][ T8140] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 283.900615][ T8140] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 283.900618][ T8140] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 283.900621][ T8140] ? vprintk_emit (kernel/printk/printk.c:2478) [ 283.900623][ T8140] vprintk_emit (kernel/printk/printk.c:2479) [ 283.900626][ T8140] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 283.900628][ T8140] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 283.900632][ T8140] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 283.900636][ T8140] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 283.900640][ T8140] _printk (kernel/printk/printk.c:2504) [ 283.900644][ T8140] ? snapshot_read.cold (user.c:?) [ 283.900647][ T8140] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 283.900651][ T8140] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 283.900655][ T8140] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 283.900661][ T8140] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 283.900666][ T8140] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 283.900669][ T8140] ? netdev_notice (net/core/dev.c:13194) [ 283.900672][ T8140] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 283.900675][ T8140] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 283.900678][ T8140] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 283.900681][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900683][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900685][ T8140] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 283.900687][ T8140] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 283.900690][ T8140] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 283.900692][ T8140] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 283.900694][ T8140] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 283.900697][ T8140] ? register_netdev (net/core/dev.c:11618) [ 283.900699][ T8140] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 283.900702][ T8140] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 283.900706][ T8140] ? __kernel_text_address (kernel/extable.c:79) [ 283.900710][ T8140] ? write_profile (profile.c:?) [ 283.900714][ T8140] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 283.900718][ T8140] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 283.900721][ T8140] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 283.900724][ T8140] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 283.900726][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900728][ T8140] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 283.900733][ T8140] ? kasan_save_stack (mm/kasan/common.c:58) [ 283.900736][ T8140] ? kasan_save_stack (mm/kasan/common.c:57) [ 283.900738][ T8140] ? kasan_save_track (mm/kasan/common.c:78) [ 283.900740][ T8140] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 283.900742][ T8140] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 283.900744][ T8140] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 283.900746][ T8140] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 283.900748][ T8140] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 283.900752][ T8140] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 283.900754][ T8140] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 283.900756][ T8140] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 283.900760][ T8140] ? ____sys_sendmsg (net/socket.c:2713) [ 283.900762][ T8140] ? ___sys_sendmsg (net/socket.c:2767) [ 283.900764][ T8140] ? __sys_sendmsg (net/socket.c:2799) [ 283.900767][ T8140] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 283.900770][ T8140] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 283.900775][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900777][ T8140] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 283.900779][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900781][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900783][ T8140] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 283.900785][ T8140] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 283.900787][ T8140] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 283.900789][ T8140] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 283.900792][ T8140] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 283.900794][ T8140] ? nla_get_range_signed (lib/nlattr.c:270) [ 283.900798][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900801][ T8140] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 283.900804][ T8140] rtnl_newlink (net/core/rtnetlink.c:4215) [ 283.900808][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900810][ T8140] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 283.900812][ T8140] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 283.900814][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900817][ T8140] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 283.900820][ T8140] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 283.900822][ T8140] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 283.900825][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900827][ T8140] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 283.900831][ T8140] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 283.900834][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900836][ T8140] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 283.900839][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900841][ T8140] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 283.900843][ T8140] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 283.900846][ T8140] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 283.900848][ T8140] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 283.900851][ T8140] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 283.900855][ T8140] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 283.900858][ T8140] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 283.900860][ T8140] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 283.900863][ T8140] ? netlink_ack (./include/linux/skbuff.h:2718) [ 283.900865][ T8140] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 283.900870][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900872][ T8140] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 283.900875][ T8140] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 283.900879][ T8140] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 283.900881][ T8140] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 283.900885][ T8140] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 283.900888][ T8140] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 283.900891][ T8140] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 283.900894][ T8140] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 283.900896][ T8140] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 283.900900][ T8140] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 283.900903][ T8140] ____sys_sendmsg (net/socket.c:2713) [ 283.900906][ T8140] ? copy_msghdr_from_user (net/socket.c:2650) [ 283.900909][ T8140] ? sock_write_iter (net/socket.c:1269) [ 283.900911][ T8140] ? move_addr_to_kernel (net/socket.c:258) [ 283.900913][ T8140] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 283.900918][ T8140] ___sys_sendmsg (net/socket.c:2767) [ 283.900921][ T8140] ? copy_msghdr_from_user (net/socket.c:2619) [ 283.900929][ T8140] __sys_sendmsg (net/socket.c:2799) [ 283.900932][ T8140] ? __sys_sendmsg_sock (net/socket.c:2780) [ 283.900936][ T8140] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 283.900939][ T8140] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 283.900942][ T8140] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 283.900945][ T8140] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 283.900947][ T8140] RIP: 0033:0x7f8931d4754e [ 283.900950][ T8140] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 283.900953][ T8140] RSP: 002b:00007ffc6c262f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 283.900958][ T8140] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8931d4754e [ 283.900960][ T8140] RDX: 0000000000000000 RSI: 00007ffc6c263000 RDI: 0000000000000005 [ 283.900961][ T8140] RBP: 00007ffc6c262f60 R08: 0000000000000000 R09: 0000000000000000 [ 283.900963][ T8140] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915143 [ 283.900964][ T8140] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6c2636d0 | [ 291.553131][ T8412] softirqs last disabled at (0): 0x0 | [ 291.553133][ T8412] Preemption disabled at: | [ 291.553133][ T8412] vprintk_emit (kernel/printk/printk.c:2471) | [ 291.553144][ T8412] Tainted: [W]=WARN [ 291.553144][ T8412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 291.553146][ T8412] Call Trace: [ 291.553148][ T8412] [ 291.553149][ T8412] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 291.553154][ T8412] ? vprintk_emit (kernel/printk/printk.c:2471) [ 291.553156][ T8412] __might_resched.cold (kernel/sched/core.c:9234) [ 291.553159][ T8412] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 291.553163][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553165][ T8412] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 291.553168][ T8412] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 291.553171][ T8412] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 291.553176][ T8412] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 291.553178][ T8412] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 291.553181][ T8412] put_chars (drivers/char/virtio_console.c:1176) [ 291.553182][ T8412] ? __send_to_port (drivers/char/virtio_console.c:654) [ 291.553184][ T8412] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 291.553186][ T8412] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 291.553188][ T8412] ? pointer (lib/vsprintf.c:2577) [ 291.553192][ T8412] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 291.553196][ T8412] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 291.553198][ T8412] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 291.553200][ T8412] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.553203][ T8412] console_emit_next_record (kernel/printk/printk.c:3183) [ 291.553205][ T8412] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 291.553208][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553209][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553210][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553211][ T8412] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.553213][ T8412] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 291.553214][ T8412] console_flush_one_record (kernel/printk/printk.c:3268) [ 291.553217][ T8412] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 291.553220][ T8412] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 291.553221][ T8412] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.553223][ T8412] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 291.553225][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553226][ T8412] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 291.553227][ T8412] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 291.553229][ T8412] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 291.553230][ T8412] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 291.553232][ T8412] ? vprintk_emit (kernel/printk/printk.c:2478) [ 291.553234][ T8412] vprintk_emit (kernel/printk/printk.c:2479) [ 291.553236][ T8412] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 291.553237][ T8412] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 291.553239][ T8412] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 291.553242][ T8412] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 291.553244][ T8412] _printk (kernel/printk/printk.c:2504) [ 291.553248][ T8412] ? snapshot_read.cold (user.c:?) [ 291.553250][ T8412] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 291.553252][ T8412] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 291.553255][ T8412] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 291.553257][ T8412] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 291.553260][ T8412] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 291.553262][ T8412] ? netdev_notice (net/core/dev.c:13194) [ 291.553264][ T8412] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 291.553266][ T8412] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 291.553268][ T8412] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 291.553270][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553271][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553272][ T8412] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 291.553273][ T8412] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 291.553275][ T8412] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 291.553284][ T8412] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 291.553285][ T8412] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 291.553287][ T8412] ? register_netdev (net/core/dev.c:11618) [ 291.553288][ T8412] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 291.553290][ T8412] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 291.553293][ T8412] ? __kernel_text_address (kernel/extable.c:79) [ 291.553296][ T8412] ? write_profile (profile.c:?) [ 291.553299][ T8412] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 291.553302][ T8412] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 291.553304][ T8412] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 291.553306][ T8412] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 291.553307][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553308][ T8412] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 291.553312][ T8412] ? kasan_save_stack (mm/kasan/common.c:58) [ 291.553313][ T8412] ? kasan_save_stack (mm/kasan/common.c:57) [ 291.553315][ T8412] ? kasan_save_track (mm/kasan/common.c:78) [ 291.553316][ T8412] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 291.553317][ T8412] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 291.553318][ T8412] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 291.553319][ T8412] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 291.553320][ T8412] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 291.553323][ T8412] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 291.553325][ T8412] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 291.553326][ T8412] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 291.553329][ T8412] ? ____sys_sendmsg (net/socket.c:2713) [ 291.553330][ T8412] ? ___sys_sendmsg (net/socket.c:2767) [ 291.553332][ T8412] ? __sys_sendmsg (net/socket.c:2799) [ 291.553333][ T8412] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 291.553336][ T8412] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 291.553338][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553340][ T8412] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.553341][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553342][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553343][ T8412] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 291.553345][ T8412] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 291.553346][ T8412] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 291.553347][ T8412] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 291.553349][ T8412] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 291.553350][ T8412] ? nla_get_range_signed (lib/nlattr.c:270) [ 291.553354][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553355][ T8412] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 291.553357][ T8412] rtnl_newlink (net/core/rtnetlink.c:4215) [ 291.553359][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553360][ T8412] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 291.553361][ T8412] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.553363][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553364][ T8412] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 291.553367][ T8412] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 291.553368][ T8412] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 291.553370][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553371][ T8412] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 291.553374][ T8412] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 291.553376][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553377][ T8412] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.553379][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553380][ T8412] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 291.553381][ T8412] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 291.553383][ T8412] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 291.553384][ T8412] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 291.553386][ T8412] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 291.553388][ T8412] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 291.553390][ T8412] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 291.553391][ T8412] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 291.553393][ T8412] ? netlink_ack (./include/linux/skbuff.h:2718) [ 291.553394][ T8412] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 291.553397][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553399][ T8412] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 291.553401][ T8412] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 291.553403][ T8412] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 291.553405][ T8412] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 291.553406][ T8412] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 291.553409][ T8412] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 291.553410][ T8412] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 291.553412][ T8412] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.553413][ T8412] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 291.553417][ T8412] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 291.553419][ T8412] ____sys_sendmsg (net/socket.c:2713) [ 291.553420][ T8412] ? copy_msghdr_from_user (net/socket.c:2650) [ 291.553422][ T8412] ? sock_write_iter (net/socket.c:1269) [ 291.553423][ T8412] ? move_addr_to_kernel (net/socket.c:258) [ 291.553425][ T8412] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 291.553428][ T8412] ___sys_sendmsg (net/socket.c:2767) [ 291.553429][ T8412] ? copy_msghdr_from_user (net/socket.c:2619) [ 291.553434][ T8412] __sys_sendmsg (net/socket.c:2799) [ 291.553436][ T8412] ? __sys_sendmsg_sock (net/socket.c:2780) [ 291.553439][ T8412] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.553440][ T8412] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 291.553442][ T8412] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 291.553444][ T8412] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 291.553446][ T8412] RIP: 0033:0x7fc7ed0cf54e [ 291.553448][ T8412] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 291.553449][ T8412] RSP: 002b:00007ffe14af8e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 291.553453][ T8412] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc7ed0cf54e [ 291.553455][ T8412] RDX: 0000000000000000 RSI: 00007ffe14af8eb0 RDI: 0000000000000005 [ 291.553455][ T8412] RBP: 00007ffe14af8e10 R08: 0000000000000000 R09: 0000000000000000 [ 291.553456][ T8412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91514a [ 291.553457][ T8412] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe14af9580 | [ 299.200750][ T8548] softirqs last disabled at (0): 0x0 | [ 299.200752][ T8548] Preemption disabled at: | [ 299.200753][ T8548] vprintk_emit (kernel/printk/printk.c:2471) | [ 299.200762][ T8548] Tainted: [W]=WARN [ 299.200763][ T8548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 299.200765][ T8548] Call Trace: [ 299.200766][ T8548] [ 299.200768][ T8548] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 299.200773][ T8548] ? vprintk_emit (kernel/printk/printk.c:2471) [ 299.200775][ T8548] __might_resched.cold (kernel/sched/core.c:9234) [ 299.200778][ T8548] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 299.200782][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200785][ T8548] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 299.200788][ T8548] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 299.200791][ T8548] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 299.200797][ T8548] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 299.200798][ T8548] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 299.200801][ T8548] put_chars (drivers/char/virtio_console.c:1176) [ 299.200802][ T8548] ? __send_to_port (drivers/char/virtio_console.c:654) [ 299.200804][ T8548] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 299.200806][ T8548] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 299.200808][ T8548] ? pointer (lib/vsprintf.c:2577) [ 299.200811][ T8548] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 299.200816][ T8548] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 299.200817][ T8548] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 299.200819][ T8548] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 299.200822][ T8548] console_emit_next_record (kernel/printk/printk.c:3183) [ 299.200825][ T8548] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 299.200827][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200828][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200829][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200830][ T8548] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 299.200832][ T8548] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 299.200833][ T8548] console_flush_one_record (kernel/printk/printk.c:3268) [ 299.200836][ T8548] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 299.200838][ T8548] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 299.200840][ T8548] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 299.200842][ T8548] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 299.200843][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200844][ T8548] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 299.200846][ T8548] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 299.200847][ T8548] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 299.200849][ T8548] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 299.200851][ T8548] ? vprintk_emit (kernel/printk/printk.c:2478) [ 299.200852][ T8548] vprintk_emit (kernel/printk/printk.c:2479) [ 299.200854][ T8548] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 299.200855][ T8548] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 299.200858][ T8548] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 299.200861][ T8548] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 299.200863][ T8548] _printk (kernel/printk/printk.c:2504) [ 299.200866][ T8548] ? snapshot_read.cold (user.c:?) [ 299.200868][ T8548] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 299.200870][ T8548] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 299.200873][ T8548] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 299.200875][ T8548] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 299.200878][ T8548] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 299.200880][ T8548] ? netdev_notice (net/core/dev.c:13194) [ 299.200883][ T8548] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 299.200884][ T8548] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 299.200887][ T8548] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 299.200888][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200889][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200891][ T8548] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 299.200892][ T8548] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 299.200893][ T8548] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 299.200895][ T8548] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 299.200896][ T8548] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 299.200898][ T8548] ? register_netdev (net/core/dev.c:11618) [ 299.200900][ T8548] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 299.200902][ T8548] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 299.200904][ T8548] ? __kernel_text_address (kernel/extable.c:79) [ 299.200907][ T8548] ? write_profile (profile.c:?) [ 299.200910][ T8548] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 299.200914][ T8548] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 299.200916][ T8548] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 299.200917][ T8548] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 299.200918][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200920][ T8548] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 299.200923][ T8548] ? kasan_save_stack (mm/kasan/common.c:58) [ 299.200925][ T8548] ? kasan_save_stack (mm/kasan/common.c:57) [ 299.200926][ T8548] ? kasan_save_track (mm/kasan/common.c:78) [ 299.200927][ T8548] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 299.200928][ T8548] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 299.200929][ T8548] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 299.200930][ T8548] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 299.200932][ T8548] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 299.200934][ T8548] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 299.200936][ T8548] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 299.200938][ T8548] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 299.200940][ T8548] ? ____sys_sendmsg (net/socket.c:2713) [ 299.200942][ T8548] ? ___sys_sendmsg (net/socket.c:2767) [ 299.200943][ T8548] ? __sys_sendmsg (net/socket.c:2799) [ 299.200945][ T8548] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 299.200947][ T8548] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 299.200950][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200951][ T8548] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 299.200952][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200953][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200954][ T8548] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 299.200956][ T8548] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 299.200957][ T8548] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 299.200958][ T8548] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 299.200960][ T8548] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 299.200961][ T8548] ? nla_get_range_signed (lib/nlattr.c:270) [ 299.200964][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200965][ T8548] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 299.200967][ T8548] rtnl_newlink (net/core/rtnetlink.c:4215) [ 299.200969][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200970][ T8548] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 299.200972][ T8548] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 299.200973][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200975][ T8548] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 299.200977][ T8548] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 299.200978][ T8548] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 299.200980][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200981][ T8548] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 299.200984][ T8548] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 299.200986][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200987][ T8548] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 299.200989][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.200990][ T8548] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 299.200991][ T8548] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 299.200993][ T8548] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 299.200994][ T8548] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 299.200996][ T8548] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 299.200998][ T8548] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 299.201000][ T8548] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 299.201001][ T8548] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 299.201003][ T8548] ? netlink_ack (./include/linux/skbuff.h:2718) [ 299.201005][ T8548] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 299.201008][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.201009][ T8548] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 299.201011][ T8548] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 299.201013][ T8548] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 299.201015][ T8548] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 299.201017][ T8548] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 299.201019][ T8548] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 299.201020][ T8548] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 299.201022][ T8548] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 299.201024][ T8548] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 299.201027][ T8548] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 299.201029][ T8548] ____sys_sendmsg (net/socket.c:2713) [ 299.201030][ T8548] ? copy_msghdr_from_user (net/socket.c:2650) [ 299.201032][ T8548] ? sock_write_iter (net/socket.c:1269) [ 299.201033][ T8548] ? move_addr_to_kernel (net/socket.c:258) [ 299.201035][ T8548] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 299.201037][ T8548] ___sys_sendmsg (net/socket.c:2767) [ 299.201039][ T8548] ? copy_msghdr_from_user (net/socket.c:2619) [ 299.201044][ T8548] __sys_sendmsg (net/socket.c:2799) [ 299.201046][ T8548] ? __sys_sendmsg_sock (net/socket.c:2780) [ 299.201049][ T8548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 299.201050][ T8548] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 299.201052][ T8548] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 299.201054][ T8548] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 299.201055][ T8548] RIP: 0033:0x7f95d736354e [ 299.201057][ T8548] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 299.201059][ T8548] RSP: 002b:00007ffd4fd7cb60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 299.201062][ T8548] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f95d736354e [ 299.201064][ T8548] RDX: 0000000000000000 RSI: 00007ffd4fd7cc10 RDI: 0000000000000005 [ 299.201065][ T8548] RBP: 00007ffd4fd7cb70 R08: 0000000000000000 R09: 0000000000000000 [ 299.201066][ T8548] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915152 [ 299.201067][ T8548] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4fd7d2e0 | [ 304.582721][ T8684] softirqs last disabled at (0): 0x0 | [ 304.582723][ T8684] Preemption disabled at: | [ 304.582723][ T8684] vprintk_emit (kernel/printk/printk.c:2471) | [ 304.582733][ T8684] Tainted: [W]=WARN [ 304.582734][ T8684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 304.582736][ T8684] Call Trace: [ 304.582737][ T8684] [ 304.582739][ T8684] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 304.582744][ T8684] ? vprintk_emit (kernel/printk/printk.c:2471) [ 304.582745][ T8684] __might_resched.cold (kernel/sched/core.c:9234) [ 304.582749][ T8684] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 304.582753][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582755][ T8684] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 304.582758][ T8684] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 304.582761][ T8684] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 304.582766][ T8684] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 304.582768][ T8684] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 304.582770][ T8684] put_chars (drivers/char/virtio_console.c:1176) [ 304.582772][ T8684] ? __send_to_port (drivers/char/virtio_console.c:654) [ 304.582773][ T8684] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 304.582775][ T8684] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 304.582777][ T8684] ? pointer (lib/vsprintf.c:2577) [ 304.582781][ T8684] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 304.582785][ T8684] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 304.582787][ T8684] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 304.582789][ T8684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 304.582792][ T8684] console_emit_next_record (kernel/printk/printk.c:3183) [ 304.582794][ T8684] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 304.582796][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582797][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582798][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582799][ T8684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 304.582801][ T8684] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 304.582803][ T8684] console_flush_one_record (kernel/printk/printk.c:3268) [ 304.582805][ T8684] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 304.582808][ T8684] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 304.582810][ T8684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 304.582812][ T8684] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 304.582813][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582814][ T8684] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 304.582816][ T8684] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 304.582818][ T8684] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 304.582819][ T8684] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 304.582821][ T8684] ? vprintk_emit (kernel/printk/printk.c:2478) [ 304.582822][ T8684] vprintk_emit (kernel/printk/printk.c:2479) [ 304.582824][ T8684] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 304.582825][ T8684] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 304.582828][ T8684] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 304.582831][ T8684] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 304.582833][ T8684] _printk (kernel/printk/printk.c:2504) [ 304.582836][ T8684] ? snapshot_read.cold (user.c:?) [ 304.582838][ T8684] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 304.582840][ T8684] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 304.582844][ T8684] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 304.582845][ T8684] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 304.582848][ T8684] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 304.582851][ T8684] ? netdev_notice (net/core/dev.c:13194) [ 304.582853][ T8684] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 304.582854][ T8684] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 304.582857][ T8684] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 304.582858][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582859][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582860][ T8684] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 304.582862][ T8684] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 304.582863][ T8684] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 304.582864][ T8684] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 304.582866][ T8684] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 304.582868][ T8684] ? register_netdev (net/core/dev.c:11618) [ 304.582869][ T8684] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 304.582871][ T8684] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 304.582874][ T8684] ? __kernel_text_address (kernel/extable.c:79) [ 304.582876][ T8684] ? write_profile (profile.c:?) [ 304.582879][ T8684] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 304.582883][ T8684] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 304.582885][ T8684] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 304.582886][ T8684] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 304.582887][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582888][ T8684] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 304.582892][ T8684] ? kasan_save_stack (mm/kasan/common.c:58) [ 304.582893][ T8684] ? kasan_save_stack (mm/kasan/common.c:57) [ 304.582894][ T8684] ? kasan_save_track (mm/kasan/common.c:78) [ 304.582896][ T8684] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 304.582897][ T8684] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 304.582898][ T8684] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 304.582899][ T8684] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 304.582900][ T8684] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 304.582903][ T8684] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 304.582904][ T8684] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 304.582906][ T8684] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 304.582909][ T8684] ? ____sys_sendmsg (net/socket.c:2713) [ 304.582910][ T8684] ? ___sys_sendmsg (net/socket.c:2767) [ 304.582911][ T8684] ? __sys_sendmsg (net/socket.c:2799) [ 304.582913][ T8684] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 304.582915][ T8684] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 304.582918][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582919][ T8684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 304.582920][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582921][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582922][ T8684] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 304.582924][ T8684] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 304.582925][ T8684] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 304.582926][ T8684] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 304.582928][ T8684] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 304.582929][ T8684] ? nla_get_range_signed (lib/nlattr.c:270) [ 304.582932][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582933][ T8684] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 304.582935][ T8684] rtnl_newlink (net/core/rtnetlink.c:4215) [ 304.582937][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582938][ T8684] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 304.582940][ T8684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 304.582941][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582942][ T8684] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 304.582945][ T8684] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 304.582946][ T8684] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 304.582947][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582948][ T8684] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 304.582952][ T8684] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 304.582954][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582955][ T8684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 304.582957][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582958][ T8684] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 304.582959][ T8684] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 304.582961][ T8684] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 304.582962][ T8684] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 304.582964][ T8684] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 304.582966][ T8684] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 304.582967][ T8684] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 304.582969][ T8684] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 304.582970][ T8684] ? netlink_ack (./include/linux/skbuff.h:2718) [ 304.582972][ T8684] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 304.582975][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.582976][ T8684] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 304.582978][ T8684] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 304.582980][ T8684] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 304.582982][ T8684] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 304.582984][ T8684] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 304.582986][ T8684] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 304.582987][ T8684] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 304.582989][ T8684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 304.582990][ T8684] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 304.582993][ T8684] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 304.582995][ T8684] ____sys_sendmsg (net/socket.c:2713) [ 304.582997][ T8684] ? copy_msghdr_from_user (net/socket.c:2650) [ 304.582998][ T8684] ? sock_write_iter (net/socket.c:1269) [ 304.583000][ T8684] ? move_addr_to_kernel (net/socket.c:258) [ 304.583001][ T8684] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 304.583004][ T8684] ___sys_sendmsg (net/socket.c:2767) [ 304.583005][ T8684] ? copy_msghdr_from_user (net/socket.c:2619) [ 304.583010][ T8684] __sys_sendmsg (net/socket.c:2799) [ 304.583012][ T8684] ? __sys_sendmsg_sock (net/socket.c:2780) [ 304.583015][ T8684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.583016][ T8684] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 304.583018][ T8684] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 304.583020][ T8684] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 304.583022][ T8684] RIP: 0033:0x7f036355054e [ 304.583024][ T8684] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 304.583025][ T8684] RSP: 002b:00007ffe120e35a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 304.583029][ T8684] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f036355054e [ 304.583031][ T8684] RDX: 0000000000000000 RSI: 00007ffe120e3650 RDI: 0000000000000005 [ 304.583032][ T8684] RBP: 00007ffe120e35b0 R08: 0000000000000000 R09: 0000000000000000 [ 304.583032][ T8684] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915157 [ 304.583033][ T8684] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe120e3d20 | [ 312.005671][ T8827] softirqs last disabled at (0): 0x0 | [ 312.005672][ T8827] Preemption disabled at: | [ 312.005673][ T8827] vprintk_emit (kernel/printk/printk.c:2471) | [ 312.005683][ T8827] Tainted: [W]=WARN [ 312.005684][ T8827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 312.005686][ T8827] Call Trace: [ 312.005688][ T8827] [ 312.005689][ T8827] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 312.005694][ T8827] ? vprintk_emit (kernel/printk/printk.c:2471) [ 312.005696][ T8827] __might_resched.cold (kernel/sched/core.c:9234) [ 312.005700][ T8827] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 312.005703][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005706][ T8827] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 312.005709][ T8827] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 312.005712][ T8827] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 312.005718][ T8827] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 312.005720][ T8827] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 312.005722][ T8827] put_chars (drivers/char/virtio_console.c:1176) [ 312.005724][ T8827] ? __send_to_port (drivers/char/virtio_console.c:654) [ 312.005725][ T8827] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 312.005727][ T8827] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 312.005729][ T8827] ? pointer (lib/vsprintf.c:2577) [ 312.005733][ T8827] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 312.005737][ T8827] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 312.005739][ T8827] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 312.005741][ T8827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 312.005744][ T8827] console_emit_next_record (kernel/printk/printk.c:3183) [ 312.005746][ T8827] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 312.005749][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005750][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005751][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005752][ T8827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 312.005754][ T8827] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 312.005756][ T8827] console_flush_one_record (kernel/printk/printk.c:3268) [ 312.005758][ T8827] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 312.005761][ T8827] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 312.005762][ T8827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 312.005764][ T8827] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 312.005766][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005767][ T8827] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 312.005768][ T8827] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 312.005770][ T8827] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 312.005771][ T8827] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 312.005774][ T8827] ? vprintk_emit (kernel/printk/printk.c:2478) [ 312.005775][ T8827] vprintk_emit (kernel/printk/printk.c:2479) [ 312.005777][ T8827] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 312.005778][ T8827] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 312.005781][ T8827] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 312.005784][ T8827] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 312.005786][ T8827] _printk (kernel/printk/printk.c:2504) [ 312.005789][ T8827] ? snapshot_read.cold (user.c:?) [ 312.005791][ T8827] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 312.005794][ T8827] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 312.005797][ T8827] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 312.005799][ T8827] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 312.005802][ T8827] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 312.005805][ T8827] ? netdev_notice (net/core/dev.c:13194) [ 312.005807][ T8827] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 312.005808][ T8827] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 312.005811][ T8827] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 312.005812][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005813][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005815][ T8827] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 312.005816][ T8827] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 312.005818][ T8827] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 312.005819][ T8827] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 312.005820][ T8827] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 312.005822][ T8827] ? register_netdev (net/core/dev.c:11618) [ 312.005823][ T8827] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 312.005825][ T8827] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 312.005828][ T8827] ? __kernel_text_address (kernel/extable.c:79) [ 312.005831][ T8827] ? write_profile (profile.c:?) [ 312.005834][ T8827] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 312.005837][ T8827] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 312.005839][ T8827] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 312.005841][ T8827] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 312.005842][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005843][ T8827] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 312.005846][ T8827] ? kasan_save_stack (mm/kasan/common.c:58) [ 312.005848][ T8827] ? kasan_save_stack (mm/kasan/common.c:57) [ 312.005849][ T8827] ? kasan_save_track (mm/kasan/common.c:78) [ 312.005850][ T8827] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 312.005852][ T8827] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 312.005853][ T8827] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 312.005854][ T8827] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 312.005855][ T8827] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 312.005858][ T8827] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 312.005860][ T8827] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 312.005862][ T8827] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 312.005864][ T8827] ? ____sys_sendmsg (net/socket.c:2713) [ 312.005866][ T8827] ? ___sys_sendmsg (net/socket.c:2767) [ 312.005867][ T8827] ? __sys_sendmsg (net/socket.c:2799) [ 312.005869][ T8827] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 312.005872][ T8827] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 312.005874][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005875][ T8827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 312.005877][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005878][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005879][ T8827] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 312.005881][ T8827] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 312.005882][ T8827] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 312.005883][ T8827] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 312.005885][ T8827] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 312.005886][ T8827] ? nla_get_range_signed (lib/nlattr.c:270) [ 312.005889][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005890][ T8827] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 312.005893][ T8827] rtnl_newlink (net/core/rtnetlink.c:4215) [ 312.005895][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005896][ T8827] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 312.005897][ T8827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 312.005898][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005900][ T8827] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 312.005902][ T8827] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 312.005904][ T8827] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 312.005905][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005906][ T8827] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 312.005909][ T8827] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 312.005912][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005913][ T8827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 312.005914][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005916][ T8827] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 312.005917][ T8827] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 312.005919][ T8827] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 312.005920][ T8827] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 312.005922][ T8827] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 312.005924][ T8827] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 312.005926][ T8827] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 312.005927][ T8827] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 312.005929][ T8827] ? netlink_ack (./include/linux/skbuff.h:2718) [ 312.005930][ T8827] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 312.005933][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005935][ T8827] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 312.005937][ T8827] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 312.005939][ T8827] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 312.005941][ T8827] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 312.005943][ T8827] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 312.005945][ T8827] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 312.005947][ T8827] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 312.005948][ T8827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 312.005950][ T8827] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 312.005953][ T8827] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 312.005955][ T8827] ____sys_sendmsg (net/socket.c:2713) [ 312.005957][ T8827] ? copy_msghdr_from_user (net/socket.c:2650) [ 312.005958][ T8827] ? sock_write_iter (net/socket.c:1269) [ 312.005960][ T8827] ? move_addr_to_kernel (net/socket.c:258) [ 312.005961][ T8827] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 312.005964][ T8827] ___sys_sendmsg (net/socket.c:2767) [ 312.005966][ T8827] ? copy_msghdr_from_user (net/socket.c:2619) [ 312.005971][ T8827] __sys_sendmsg (net/socket.c:2799) [ 312.005973][ T8827] ? __sys_sendmsg_sock (net/socket.c:2780) [ 312.005976][ T8827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 312.005977][ T8827] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 312.005979][ T8827] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 312.005981][ T8827] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 312.005983][ T8827] RIP: 0033:0x7fd8dddfb54e [ 312.005985][ T8827] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 312.005987][ T8827] RSP: 002b:00007ffe6e211a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 312.005990][ T8827] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd8dddfb54e [ 312.005992][ T8827] RDX: 0000000000000000 RSI: 00007ffe6e211b20 RDI: 0000000000000005 [ 312.005993][ T8827] RBP: 00007ffe6e211a80 R08: 0000000000000000 R09: 0000000000000000 [ 312.005994][ T8827] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91515f [ 312.005994][ T8827] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6e2121f0 | [ 319.443728][ T8970] softirqs last disabled at (0): 0x0 | [ 319.443730][ T8970] Preemption disabled at: | [ 319.443731][ T8970] vprintk_emit (kernel/printk/printk.c:2471) | [ 319.443741][ T8970] Tainted: [W]=WARN [ 319.443742][ T8970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 319.443744][ T8970] Call Trace: [ 319.443745][ T8970] [ 319.443747][ T8970] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 319.443752][ T8970] ? vprintk_emit (kernel/printk/printk.c:2471) [ 319.443754][ T8970] __might_resched.cold (kernel/sched/core.c:9234) [ 319.443758][ T8970] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 319.443761][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443764][ T8970] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 319.443767][ T8970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 319.443771][ T8970] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 319.443776][ T8970] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 319.443777][ T8970] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 319.443780][ T8970] put_chars (drivers/char/virtio_console.c:1176) [ 319.443782][ T8970] ? __send_to_port (drivers/char/virtio_console.c:654) [ 319.443783][ T8970] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 319.443785][ T8970] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 319.443787][ T8970] ? pointer (lib/vsprintf.c:2577) [ 319.443791][ T8970] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 319.443796][ T8970] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 319.443798][ T8970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 319.443800][ T8970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 319.443802][ T8970] console_emit_next_record (kernel/printk/printk.c:3183) [ 319.443805][ T8970] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 319.443807][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443808][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443809][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443810][ T8970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 319.443812][ T8970] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 319.443814][ T8970] console_flush_one_record (kernel/printk/printk.c:3268) [ 319.443816][ T8970] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 319.443819][ T8970] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 319.443821][ T8970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 319.443823][ T8970] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 319.443825][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443826][ T8970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 319.443827][ T8970] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 319.443829][ T8970] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 319.443830][ T8970] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 319.443832][ T8970] ? vprintk_emit (kernel/printk/printk.c:2478) [ 319.443834][ T8970] vprintk_emit (kernel/printk/printk.c:2479) [ 319.443835][ T8970] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 319.443837][ T8970] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 319.443839][ T8970] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 319.443842][ T8970] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 319.443845][ T8970] _printk (kernel/printk/printk.c:2504) [ 319.443847][ T8970] ? snapshot_read.cold (user.c:?) [ 319.443849][ T8970] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 319.443852][ T8970] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 319.443855][ T8970] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 319.443857][ T8970] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 319.443860][ T8970] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 319.443863][ T8970] ? netdev_notice (net/core/dev.c:13194) [ 319.443865][ T8970] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 319.443866][ T8970] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 319.443869][ T8970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 319.443871][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443872][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443873][ T8970] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 319.443874][ T8970] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 319.443876][ T8970] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 319.443877][ T8970] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 319.443878][ T8970] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 319.443880][ T8970] ? register_netdev (net/core/dev.c:11618) [ 319.443882][ T8970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 319.443884][ T8970] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 319.443886][ T8970] ? __kernel_text_address (kernel/extable.c:79) [ 319.443889][ T8970] ? write_profile (profile.c:?) [ 319.443892][ T8970] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 319.443895][ T8970] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 319.443897][ T8970] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 319.443899][ T8970] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 319.443900][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443901][ T8970] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 319.443905][ T8970] ? kasan_save_stack (mm/kasan/common.c:58) [ 319.443907][ T8970] ? kasan_save_stack (mm/kasan/common.c:57) [ 319.443908][ T8970] ? kasan_save_track (mm/kasan/common.c:78) [ 319.443909][ T8970] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 319.443910][ T8970] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 319.443911][ T8970] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 319.443912][ T8970] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 319.443913][ T8970] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 319.443917][ T8970] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 319.443918][ T8970] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 319.443920][ T8970] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 319.443922][ T8970] ? ____sys_sendmsg (net/socket.c:2713) [ 319.443924][ T8970] ? ___sys_sendmsg (net/socket.c:2767) [ 319.443925][ T8970] ? __sys_sendmsg (net/socket.c:2799) [ 319.443927][ T8970] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 319.443929][ T8970] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 319.443931][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443933][ T8970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 319.443934][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443935][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443936][ T8970] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 319.443938][ T8970] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 319.443939][ T8970] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 319.443940][ T8970] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 319.443942][ T8970] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 319.443943][ T8970] ? nla_get_range_signed (lib/nlattr.c:270) [ 319.443947][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443948][ T8970] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 319.443950][ T8970] rtnl_newlink (net/core/rtnetlink.c:4215) [ 319.443952][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443953][ T8970] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 319.443955][ T8970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 319.443956][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443958][ T8970] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 319.443960][ T8970] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 319.443961][ T8970] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 319.443963][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443964][ T8970] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 319.443967][ T8970] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 319.443969][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443971][ T8970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 319.443972][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443973][ T8970] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 319.443975][ T8970] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 319.443976][ T8970] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 319.443978][ T8970] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 319.443979][ T8970] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 319.443982][ T8970] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 319.443983][ T8970] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 319.443985][ T8970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 319.443986][ T8970] ? netlink_ack (./include/linux/skbuff.h:2718) [ 319.443988][ T8970] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 319.443991][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.443992][ T8970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 319.443994][ T8970] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 319.443997][ T8970] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 319.443998][ T8970] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 319.444000][ T8970] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 319.444002][ T8970] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 319.444004][ T8970] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 319.444006][ T8970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 319.444007][ T8970] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 319.444011][ T8970] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 319.444013][ T8970] ____sys_sendmsg (net/socket.c:2713) [ 319.444014][ T8970] ? copy_msghdr_from_user (net/socket.c:2650) [ 319.444016][ T8970] ? sock_write_iter (net/socket.c:1269) [ 319.444018][ T8970] ? move_addr_to_kernel (net/socket.c:258) [ 319.444019][ T8970] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 319.444022][ T8970] ___sys_sendmsg (net/socket.c:2767) [ 319.444024][ T8970] ? copy_msghdr_from_user (net/socket.c:2619) [ 319.444029][ T8970] __sys_sendmsg (net/socket.c:2799) [ 319.444031][ T8970] ? __sys_sendmsg_sock (net/socket.c:2780) [ 319.444034][ T8970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 319.444035][ T8970] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 319.444037][ T8970] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 319.444039][ T8970] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 319.444040][ T8970] RIP: 0033:0x7f284ce2654e [ 319.444043][ T8970] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 319.444044][ T8970] RSP: 002b:00007fffa8fd2000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 319.444048][ T8970] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f284ce2654e [ 319.444050][ T8970] RDX: 0000000000000000 RSI: 00007fffa8fd20b0 RDI: 0000000000000005 [ 319.444051][ T8970] RBP: 00007fffa8fd2010 R08: 0000000000000000 R09: 0000000000000000 [ 319.444051][ T8970] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915166 [ 319.444052][ T8970] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa8fd2780 | [ 326.905726][ T9113] softirqs last disabled at (0): 0x0 | [ 326.905728][ T9113] Preemption disabled at: | [ 326.905729][ T9113] vprintk_emit (kernel/printk/printk.c:2471) | [ 326.905739][ T9113] Tainted: [W]=WARN [ 326.905740][ T9113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 326.905741][ T9113] Call Trace: [ 326.905743][ T9113] [ 326.905744][ T9113] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 326.905749][ T9113] ? vprintk_emit (kernel/printk/printk.c:2471) [ 326.905750][ T9113] __might_resched.cold (kernel/sched/core.c:9234) [ 326.905754][ T9113] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 326.905758][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905761][ T9113] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 326.905764][ T9113] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 326.905767][ T9113] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 326.905772][ T9113] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 326.905774][ T9113] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 326.905777][ T9113] put_chars (drivers/char/virtio_console.c:1176) [ 326.905778][ T9113] ? __send_to_port (drivers/char/virtio_console.c:654) [ 326.905779][ T9113] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 326.905782][ T9113] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 326.905784][ T9113] ? pointer (lib/vsprintf.c:2577) [ 326.905787][ T9113] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 326.905792][ T9113] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 326.905794][ T9113] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 326.905796][ T9113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.905798][ T9113] console_emit_next_record (kernel/printk/printk.c:3183) [ 326.905801][ T9113] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 326.905803][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905804][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905805][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905807][ T9113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.905809][ T9113] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 326.905810][ T9113] console_flush_one_record (kernel/printk/printk.c:3268) [ 326.905813][ T9113] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 326.905816][ T9113] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 326.905817][ T9113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.905819][ T9113] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 326.905821][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905822][ T9113] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 326.905823][ T9113] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 326.905825][ T9113] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 326.905826][ T9113] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 326.905829][ T9113] ? vprintk_emit (kernel/printk/printk.c:2478) [ 326.905830][ T9113] vprintk_emit (kernel/printk/printk.c:2479) [ 326.905832][ T9113] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 326.905833][ T9113] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 326.905835][ T9113] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 326.905838][ T9113] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 326.905841][ T9113] _printk (kernel/printk/printk.c:2504) [ 326.905844][ T9113] ? snapshot_read.cold (user.c:?) [ 326.905846][ T9113] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 326.905848][ T9113] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 326.905851][ T9113] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 326.905853][ T9113] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 326.905856][ T9113] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 326.905859][ T9113] ? netdev_notice (net/core/dev.c:13194) [ 326.905861][ T9113] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 326.905862][ T9113] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 326.905865][ T9113] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 326.905867][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905868][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905869][ T9113] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 326.905870][ T9113] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 326.905872][ T9113] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 326.905873][ T9113] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 326.905875][ T9113] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 326.905877][ T9113] ? register_netdev (net/core/dev.c:11618) [ 326.905878][ T9113] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 326.905880][ T9113] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 326.905883][ T9113] ? __kernel_text_address (kernel/extable.c:79) [ 326.905885][ T9113] ? write_profile (profile.c:?) [ 326.905888][ T9113] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 326.905892][ T9113] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 326.905894][ T9113] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 326.905895][ T9113] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 326.905897][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905898][ T9113] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 326.905901][ T9113] ? kasan_save_stack (mm/kasan/common.c:58) [ 326.905903][ T9113] ? kasan_save_stack (mm/kasan/common.c:57) [ 326.905904][ T9113] ? kasan_save_track (mm/kasan/common.c:78) [ 326.905905][ T9113] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 326.905906][ T9113] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 326.905908][ T9113] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 326.905909][ T9113] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 326.905910][ T9113] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 326.905913][ T9113] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 326.905914][ T9113] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 326.905916][ T9113] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 326.905919][ T9113] ? ____sys_sendmsg (net/socket.c:2713) [ 326.905920][ T9113] ? ___sys_sendmsg (net/socket.c:2767) [ 326.905921][ T9113] ? __sys_sendmsg (net/socket.c:2799) [ 326.905923][ T9113] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 326.905926][ T9113] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 326.905928][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905929][ T9113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.905931][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905932][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905933][ T9113] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 326.905934][ T9113] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 326.905936][ T9113] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 326.905937][ T9113] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 326.905938][ T9113] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 326.905940][ T9113] ? nla_get_range_signed (lib/nlattr.c:270) [ 326.905943][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905944][ T9113] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 326.905946][ T9113] rtnl_newlink (net/core/rtnetlink.c:4215) [ 326.905948][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905950][ T9113] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 326.905951][ T9113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.905952][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905954][ T9113] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 326.905956][ T9113] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 326.905957][ T9113] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 326.905959][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905960][ T9113] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 326.905963][ T9113] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 326.905966][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905967][ T9113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.905968][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905970][ T9113] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 326.905971][ T9113] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 326.905973][ T9113] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 326.905974][ T9113] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 326.905976][ T9113] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 326.905978][ T9113] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 326.905980][ T9113] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 326.905981][ T9113] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 326.905983][ T9113] ? netlink_ack (./include/linux/skbuff.h:2718) [ 326.905985][ T9113] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 326.905988][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.905989][ T9113] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 326.905991][ T9113] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 326.905993][ T9113] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 326.905995][ T9113] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 326.905997][ T9113] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 326.905999][ T9113] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 326.906001][ T9113] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 326.906003][ T9113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.906004][ T9113] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 326.906008][ T9113] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 326.906009][ T9113] ____sys_sendmsg (net/socket.c:2713) [ 326.906011][ T9113] ? copy_msghdr_from_user (net/socket.c:2650) [ 326.906013][ T9113] ? sock_write_iter (net/socket.c:1269) [ 326.906014][ T9113] ? move_addr_to_kernel (net/socket.c:258) [ 326.906016][ T9113] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 326.906019][ T9113] ___sys_sendmsg (net/socket.c:2767) [ 326.906020][ T9113] ? copy_msghdr_from_user (net/socket.c:2619) [ 326.906025][ T9113] __sys_sendmsg (net/socket.c:2799) [ 326.906027][ T9113] ? __sys_sendmsg_sock (net/socket.c:2780) [ 326.906030][ T9113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.906032][ T9113] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 326.906034][ T9113] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 326.906036][ T9113] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 326.906037][ T9113] RIP: 0033:0x7ff7a35f354e [ 326.906039][ T9113] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 326.906041][ T9113] RSP: 002b:00007ffe3c200370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 326.906045][ T9113] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff7a35f354e [ 326.906046][ T9113] RDX: 0000000000000000 RSI: 00007ffe3c200420 RDI: 0000000000000005 [ 326.906047][ T9113] RBP: 00007ffe3c200380 R08: 0000000000000000 R09: 0000000000000000 [ 326.906048][ T9113] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91516e [ 326.906049][ T9113] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3c200af0 | [ 334.360730][ T9256] softirqs last disabled at (0): 0x0 | [ 334.360732][ T9256] Preemption disabled at: | [ 334.360732][ T9256] vprintk_emit (kernel/printk/printk.c:2471) | [ 334.360742][ T9256] Tainted: [W]=WARN [ 334.360743][ T9256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 334.360745][ T9256] Call Trace: [ 334.360747][ T9256] [ 334.360748][ T9256] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 334.360754][ T9256] ? vprintk_emit (kernel/printk/printk.c:2471) [ 334.360755][ T9256] __might_resched.cold (kernel/sched/core.c:9234) [ 334.360759][ T9256] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 334.360762][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360765][ T9256] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 334.360768][ T9256] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 334.360771][ T9256] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 334.360776][ T9256] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 334.360778][ T9256] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 334.360780][ T9256] put_chars (drivers/char/virtio_console.c:1176) [ 334.360782][ T9256] ? __send_to_port (drivers/char/virtio_console.c:654) [ 334.360783][ T9256] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 334.360785][ T9256] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 334.360787][ T9256] ? pointer (lib/vsprintf.c:2577) [ 334.360791][ T9256] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 334.360795][ T9256] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 334.360797][ T9256] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 334.360799][ T9256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 334.360801][ T9256] console_emit_next_record (kernel/printk/printk.c:3183) [ 334.360804][ T9256] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 334.360806][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360807][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360808][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360810][ T9256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 334.360812][ T9256] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 334.360813][ T9256] console_flush_one_record (kernel/printk/printk.c:3268) [ 334.360816][ T9256] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 334.360819][ T9256] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 334.360821][ T9256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 334.360822][ T9256] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 334.360824][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360825][ T9256] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 334.360827][ T9256] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 334.360828][ T9256] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 334.360830][ T9256] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 334.360832][ T9256] ? vprintk_emit (kernel/printk/printk.c:2478) [ 334.360833][ T9256] vprintk_emit (kernel/printk/printk.c:2479) [ 334.360835][ T9256] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 334.360836][ T9256] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 334.360838][ T9256] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 334.360841][ T9256] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 334.360844][ T9256] _printk (kernel/printk/printk.c:2504) [ 334.360847][ T9256] ? snapshot_read.cold (user.c:?) [ 334.360849][ T9256] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 334.360851][ T9256] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 334.360855][ T9256] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 334.360856][ T9256] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 334.360860][ T9256] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 334.360862][ T9256] ? netdev_notice (net/core/dev.c:13194) [ 334.360864][ T9256] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 334.360866][ T9256] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 334.360868][ T9256] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 334.360870][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360871][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360872][ T9256] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 334.360873][ T9256] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 334.360875][ T9256] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 334.360876][ T9256] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 334.360877][ T9256] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 334.360879][ T9256] ? register_netdev (net/core/dev.c:11618) [ 334.360881][ T9256] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 334.360883][ T9256] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 334.360885][ T9256] ? __kernel_text_address (kernel/extable.c:79) [ 334.360888][ T9256] ? write_profile (profile.c:?) [ 334.360890][ T9256] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 334.360894][ T9256] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 334.360896][ T9256] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 334.360897][ T9256] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 334.360898][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360900][ T9256] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 334.360903][ T9256] ? kasan_save_stack (mm/kasan/common.c:58) [ 334.360905][ T9256] ? kasan_save_stack (mm/kasan/common.c:57) [ 334.360906][ T9256] ? kasan_save_track (mm/kasan/common.c:78) [ 334.360907][ T9256] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 334.360908][ T9256] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 334.360909][ T9256] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 334.360910][ T9256] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 334.360912][ T9256] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 334.360915][ T9256] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 334.360916][ T9256] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 334.360918][ T9256] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 334.360920][ T9256] ? ____sys_sendmsg (net/socket.c:2713) [ 334.360922][ T9256] ? ___sys_sendmsg (net/socket.c:2767) [ 334.360923][ T9256] ? __sys_sendmsg (net/socket.c:2799) [ 334.360925][ T9256] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 334.360927][ T9256] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 334.360930][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360931][ T9256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 334.360932][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360933][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360935][ T9256] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 334.360936][ T9256] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 334.360937][ T9256] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 334.360938][ T9256] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 334.360940][ T9256] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 334.360941][ T9256] ? nla_get_range_signed (lib/nlattr.c:270) [ 334.360944][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360945][ T9256] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 334.360948][ T9256] rtnl_newlink (net/core/rtnetlink.c:4215) [ 334.360950][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360951][ T9256] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 334.360952][ T9256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 334.360953][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360955][ T9256] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 334.360957][ T9256] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 334.360959][ T9256] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 334.360960][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360961][ T9256] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 334.360964][ T9256] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 334.360967][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360968][ T9256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 334.360969][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360970][ T9256] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 334.360972][ T9256] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 334.360974][ T9256] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 334.360975][ T9256] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 334.360977][ T9256] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 334.360979][ T9256] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 334.360981][ T9256] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 334.360982][ T9256] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 334.360984][ T9256] ? netlink_ack (./include/linux/skbuff.h:2718) [ 334.360985][ T9256] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 334.360988][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.360990][ T9256] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 334.360992][ T9256] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 334.360994][ T9256] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 334.360996][ T9256] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 334.360998][ T9256] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 334.361000][ T9256] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 334.361001][ T9256] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 334.361003][ T9256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 334.361005][ T9256] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 334.361008][ T9256] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 334.361010][ T9256] ____sys_sendmsg (net/socket.c:2713) [ 334.361011][ T9256] ? copy_msghdr_from_user (net/socket.c:2650) [ 334.361013][ T9256] ? sock_write_iter (net/socket.c:1269) [ 334.361014][ T9256] ? move_addr_to_kernel (net/socket.c:258) [ 334.361016][ T9256] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 334.361019][ T9256] ___sys_sendmsg (net/socket.c:2767) [ 334.361020][ T9256] ? copy_msghdr_from_user (net/socket.c:2619) [ 334.361025][ T9256] __sys_sendmsg (net/socket.c:2799) [ 334.361027][ T9256] ? __sys_sendmsg_sock (net/socket.c:2780) [ 334.361030][ T9256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 334.361032][ T9256] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 334.361033][ T9256] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 334.361035][ T9256] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 334.361037][ T9256] RIP: 0033:0x7f2a9875154e [ 334.361039][ T9256] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 334.361041][ T9256] RSP: 002b:00007fff86033e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 334.361044][ T9256] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2a9875154e [ 334.361046][ T9256] RDX: 0000000000000000 RSI: 00007fff86033f00 RDI: 0000000000000005 [ 334.361047][ T9256] RBP: 00007fff86033e60 R08: 0000000000000000 R09: 0000000000000000 [ 334.361048][ T9256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915175 [ 334.361048][ T9256] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff860345d0 | [ 341.780682][ T9399] softirqs last disabled at (0): 0x0 | [ 341.780684][ T9399] Preemption disabled at: | [ 341.780685][ T9399] vprintk_emit (kernel/printk/printk.c:2471) | [ 341.780695][ T9399] Tainted: [W]=WARN [ 341.780696][ T9399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 341.780697][ T9399] Call Trace: [ 341.780699][ T9399] [ 341.780700][ T9399] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 341.780706][ T9399] ? vprintk_emit (kernel/printk/printk.c:2471) [ 341.780707][ T9399] __might_resched.cold (kernel/sched/core.c:9234) [ 341.780711][ T9399] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 341.780714][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780717][ T9399] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 341.780720][ T9399] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 341.780723][ T9399] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 341.780728][ T9399] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 341.780730][ T9399] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 341.780732][ T9399] put_chars (drivers/char/virtio_console.c:1176) [ 341.780734][ T9399] ? __send_to_port (drivers/char/virtio_console.c:654) [ 341.780735][ T9399] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 341.780737][ T9399] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 341.780739][ T9399] ? pointer (lib/vsprintf.c:2577) [ 341.780743][ T9399] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 341.780748][ T9399] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 341.780750][ T9399] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 341.780752][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 341.780754][ T9399] console_emit_next_record (kernel/printk/printk.c:3183) [ 341.780757][ T9399] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 341.780759][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780760][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780761][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780762][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 341.780764][ T9399] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 341.780766][ T9399] console_flush_one_record (kernel/printk/printk.c:3268) [ 341.780769][ T9399] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 341.780771][ T9399] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 341.780773][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 341.780775][ T9399] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 341.780777][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780778][ T9399] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 341.780779][ T9399] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 341.780781][ T9399] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 341.780782][ T9399] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 341.780784][ T9399] ? vprintk_emit (kernel/printk/printk.c:2478) [ 341.780786][ T9399] vprintk_emit (kernel/printk/printk.c:2479) [ 341.780788][ T9399] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 341.780789][ T9399] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 341.780791][ T9399] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 341.780794][ T9399] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 341.780797][ T9399] _printk (kernel/printk/printk.c:2504) [ 341.780800][ T9399] ? snapshot_read.cold (user.c:?) [ 341.780802][ T9399] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 341.780804][ T9399] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 341.780807][ T9399] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 341.780809][ T9399] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 341.780812][ T9399] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 341.780814][ T9399] ? netdev_notice (net/core/dev.c:13194) [ 341.780817][ T9399] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 341.780818][ T9399] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 341.780821][ T9399] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 341.780822][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780824][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780825][ T9399] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 341.780826][ T9399] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 341.780828][ T9399] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 341.780829][ T9399] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 341.780830][ T9399] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 341.780832][ T9399] ? register_netdev (net/core/dev.c:11618) [ 341.780834][ T9399] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 341.780836][ T9399] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 341.780838][ T9399] ? __kernel_text_address (kernel/extable.c:79) [ 341.780841][ T9399] ? write_profile (profile.c:?) [ 341.780844][ T9399] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 341.780848][ T9399] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 341.780849][ T9399] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 341.780851][ T9399] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 341.780852][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780853][ T9399] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 341.780857][ T9399] ? kasan_save_stack (mm/kasan/common.c:58) [ 341.780858][ T9399] ? kasan_save_stack (mm/kasan/common.c:57) [ 341.780860][ T9399] ? kasan_save_track (mm/kasan/common.c:78) [ 341.780861][ T9399] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 341.780862][ T9399] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 341.780863][ T9399] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 341.780864][ T9399] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 341.780865][ T9399] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 341.780868][ T9399] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 341.780870][ T9399] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 341.780871][ T9399] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 341.780874][ T9399] ? ____sys_sendmsg (net/socket.c:2713) [ 341.780876][ T9399] ? ___sys_sendmsg (net/socket.c:2767) [ 341.780877][ T9399] ? __sys_sendmsg (net/socket.c:2799) [ 341.780879][ T9399] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 341.780881][ T9399] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 341.780884][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780885][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 341.780887][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780888][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780889][ T9399] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 341.780890][ T9399] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 341.780891][ T9399] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 341.780893][ T9399] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 341.780894][ T9399] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 341.780895][ T9399] ? nla_get_range_signed (lib/nlattr.c:270) [ 341.780899][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780900][ T9399] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 341.780902][ T9399] rtnl_newlink (net/core/rtnetlink.c:4215) [ 341.780904][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780905][ T9399] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 341.780906][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 341.780908][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780909][ T9399] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 341.780912][ T9399] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 341.780913][ T9399] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 341.780915][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780916][ T9399] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 341.780919][ T9399] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 341.780921][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780923][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 341.780924][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780925][ T9399] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 341.780927][ T9399] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 341.780928][ T9399] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 341.780930][ T9399] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 341.780931][ T9399] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 341.780934][ T9399] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 341.780935][ T9399] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 341.780937][ T9399] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 341.780939][ T9399] ? netlink_ack (./include/linux/skbuff.h:2718) [ 341.780940][ T9399] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 341.780943][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780944][ T9399] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 341.780947][ T9399] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 341.780949][ T9399] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 341.780951][ T9399] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 341.780953][ T9399] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 341.780955][ T9399] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 341.780956][ T9399] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 341.780958][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 341.780960][ T9399] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 341.780963][ T9399] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 341.780965][ T9399] ____sys_sendmsg (net/socket.c:2713) [ 341.780967][ T9399] ? copy_msghdr_from_user (net/socket.c:2650) [ 341.780968][ T9399] ? sock_write_iter (net/socket.c:1269) [ 341.780970][ T9399] ? move_addr_to_kernel (net/socket.c:258) [ 341.780971][ T9399] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 341.780974][ T9399] ___sys_sendmsg (net/socket.c:2767) [ 341.780976][ T9399] ? copy_msghdr_from_user (net/socket.c:2619) [ 341.780981][ T9399] __sys_sendmsg (net/socket.c:2799) [ 341.780983][ T9399] ? __sys_sendmsg_sock (net/socket.c:2780) [ 341.780986][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 341.780987][ T9399] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 341.780989][ T9399] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 341.780991][ T9399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 341.780993][ T9399] RIP: 0033:0x7f428ce9154e [ 341.780995][ T9399] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 341.780997][ T9399] RSP: 002b:00007ffee4fbd4a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 341.781000][ T9399] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f428ce9154e [ 341.781002][ T9399] RDX: 0000000000000000 RSI: 00007ffee4fbd550 RDI: 0000000000000005 [ 341.781003][ T9399] RBP: 00007ffee4fbd4b0 R08: 0000000000000000 R09: 0000000000000000 [ 341.781004][ T9399] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91517d [ 341.781005][ T9399] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee4fbdc20 | [ 349.295814][ T9542] softirqs last disabled at (0): 0x0 | [ 349.295815][ T9542] Preemption disabled at: | [ 349.295816][ T9542] vprintk_emit (kernel/printk/printk.c:2471) | [ 349.295826][ T9542] Tainted: [W]=WARN [ 349.295827][ T9542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 349.295829][ T9542] Call Trace: [ 349.295830][ T9542] [ 349.295831][ T9542] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 349.295837][ T9542] ? vprintk_emit (kernel/printk/printk.c:2471) [ 349.295838][ T9542] __might_resched.cold (kernel/sched/core.c:9234) [ 349.295842][ T9542] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 349.295846][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.295849][ T9542] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 349.295851][ T9542] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 349.295855][ T9542] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 349.295860][ T9542] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 349.295862][ T9542] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 349.295864][ T9542] put_chars (drivers/char/virtio_console.c:1176) [ 349.295866][ T9542] ? __send_to_port (drivers/char/virtio_console.c:654) [ 349.295867][ T9542] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 349.295869][ T9542] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 349.295872][ T9542] ? pointer (lib/vsprintf.c:2577) [ 349.295875][ T9542] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 349.295880][ T9542] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 349.295882][ T9542] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 349.295884][ T9542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 349.295886][ T9542] console_emit_next_record (kernel/printk/printk.c:3183) [ 349.295889][ T9542] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 349.295891][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.295892][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.295893][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.295895][ T9542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 349.295897][ T9542] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 349.295898][ T9542] console_flush_one_record (kernel/printk/printk.c:3268) [ 349.295901][ T9542] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 349.295904][ T9542] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 349.295906][ T9542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 349.295907][ T9542] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 349.295909][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.295910][ T9542] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 349.295912][ T9542] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 349.295913][ T9542] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 349.295915][ T9542] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 349.295917][ T9542] ? vprintk_emit (kernel/printk/printk.c:2478) [ 349.295918][ T9542] vprintk_emit (kernel/printk/printk.c:2479) [ 349.295920][ T9542] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 349.295921][ T9542] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 349.295924][ T9542] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 349.295927][ T9542] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 349.295929][ T9542] _printk (kernel/printk/printk.c:2504) [ 349.295933][ T9542] ? snapshot_read.cold (user.c:?) [ 349.295935][ T9542] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 349.295937][ T9542] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 349.295940][ T9542] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 349.295942][ T9542] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 349.295946][ T9542] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 349.295948][ T9542] ? netdev_notice (net/core/dev.c:13194) [ 349.295950][ T9542] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 349.295952][ T9542] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 349.295955][ T9542] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 349.295956][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.295958][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.295959][ T9542] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 349.295960][ T9542] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 349.295962][ T9542] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 349.295963][ T9542] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 349.295965][ T9542] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 349.295966][ T9542] ? register_netdev (net/core/dev.c:11618) [ 349.295968][ T9542] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 349.295970][ T9542] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 349.295973][ T9542] ? __kernel_text_address (kernel/extable.c:79) [ 349.295975][ T9542] ? write_profile (profile.c:?) [ 349.295978][ T9542] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 349.295981][ T9542] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 349.295983][ T9542] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 349.295985][ T9542] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 349.295986][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.295987][ T9542] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 349.295991][ T9542] ? kasan_save_stack (mm/kasan/common.c:58) [ 349.295993][ T9542] ? kasan_save_stack (mm/kasan/common.c:57) [ 349.295994][ T9542] ? kasan_save_track (mm/kasan/common.c:78) [ 349.295995][ T9542] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 349.295996][ T9542] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 349.295997][ T9542] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 349.295999][ T9542] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 349.296000][ T9542] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 349.296003][ T9542] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 349.296004][ T9542] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 349.296006][ T9542] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 349.296009][ T9542] ? ____sys_sendmsg (net/socket.c:2713) [ 349.296010][ T9542] ? ___sys_sendmsg (net/socket.c:2767) [ 349.296012][ T9542] ? __sys_sendmsg (net/socket.c:2799) [ 349.296013][ T9542] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 349.296016][ T9542] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 349.296018][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.296019][ T9542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 349.296021][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.296022][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.296023][ T9542] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 349.296024][ T9542] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 349.296026][ T9542] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 349.296027][ T9542] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 349.296029][ T9542] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 349.296030][ T9542] ? nla_get_range_signed (lib/nlattr.c:270) [ 349.296033][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.296034][ T9542] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 349.296036][ T9542] rtnl_newlink (net/core/rtnetlink.c:4215) [ 349.296039][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.296040][ T9542] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 349.296041][ T9542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 349.296043][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.296044][ T9542] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 349.296046][ T9542] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 349.296048][ T9542] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 349.296049][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.296050][ T9542] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 349.296054][ T9542] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 349.296056][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.296057][ T9542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 349.296059][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.296060][ T9542] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 349.296062][ T9542] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 349.296063][ T9542] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 349.296065][ T9542] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 349.296066][ T9542] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 349.296069][ T9542] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 349.296071][ T9542] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 349.296072][ T9542] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 349.296074][ T9542] ? netlink_ack (./include/linux/skbuff.h:2718) [ 349.296075][ T9542] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 349.296079][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.296080][ T9542] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 349.296082][ T9542] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 349.296084][ T9542] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 349.296086][ T9542] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 349.296088][ T9542] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 349.296090][ T9542] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 349.296092][ T9542] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 349.296093][ T9542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 349.296095][ T9542] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 349.296098][ T9542] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 349.296100][ T9542] ____sys_sendmsg (net/socket.c:2713) [ 349.296102][ T9542] ? copy_msghdr_from_user (net/socket.c:2650) [ 349.296104][ T9542] ? sock_write_iter (net/socket.c:1269) [ 349.296105][ T9542] ? move_addr_to_kernel (net/socket.c:258) [ 349.296107][ T9542] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 349.296109][ T9542] ___sys_sendmsg (net/socket.c:2767) [ 349.296111][ T9542] ? copy_msghdr_from_user (net/socket.c:2619) [ 349.296116][ T9542] __sys_sendmsg (net/socket.c:2799) [ 349.296118][ T9542] ? __sys_sendmsg_sock (net/socket.c:2780) [ 349.296121][ T9542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 349.296123][ T9542] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 349.296125][ T9542] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 349.296127][ T9542] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 349.296128][ T9542] RIP: 0033:0x7f484a08554e [ 349.296130][ T9542] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 349.296132][ T9542] RSP: 002b:00007ffdcf3d7f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 349.296136][ T9542] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f484a08554e [ 349.296137][ T9542] RDX: 0000000000000000 RSI: 00007ffdcf3d8000 RDI: 0000000000000005 [ 349.296138][ T9542] RBP: 00007ffdcf3d7f60 R08: 0000000000000000 R09: 0000000000000000 [ 349.296139][ T9542] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915184 [ 349.296140][ T9542] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdcf3d86d0 | [ 357.311405][ T9685] softirqs last disabled at (0): 0x0 | [ 357.311408][ T9685] Preemption disabled at: | [ 357.311409][ T9685] vprintk_emit (kernel/printk/printk.c:2471) | [ 357.311422][ T9685] Tainted: [W]=WARN [ 357.311424][ T9685] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 357.311426][ T9685] Call Trace: [ 357.311428][ T9685] [ 357.311429][ T9685] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 357.311436][ T9685] ? vprintk_emit (kernel/printk/printk.c:2471) [ 357.311438][ T9685] __might_resched.cold (kernel/sched/core.c:9234) [ 357.311443][ T9685] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 357.311447][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311451][ T9685] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 357.311454][ T9685] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 357.311458][ T9685] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 357.311464][ T9685] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 357.311466][ T9685] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 357.311470][ T9685] put_chars (drivers/char/virtio_console.c:1176) [ 357.311472][ T9685] ? __send_to_port (drivers/char/virtio_console.c:654) [ 357.311474][ T9685] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 357.311477][ T9685] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 357.311480][ T9685] ? pointer (lib/vsprintf.c:2577) [ 357.311485][ T9685] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 357.311491][ T9685] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 357.311493][ T9685] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 357.311496][ T9685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 357.311500][ T9685] console_emit_next_record (kernel/printk/printk.c:3183) [ 357.311504][ T9685] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 357.311508][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311510][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311511][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311513][ T9685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 357.311517][ T9685] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 357.311519][ T9685] console_flush_one_record (kernel/printk/printk.c:3268) [ 357.311523][ T9685] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 357.311528][ T9685] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 357.311530][ T9685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 357.311533][ T9685] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 357.311536][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311537][ T9685] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 357.311540][ T9685] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 357.311542][ T9685] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 357.311545][ T9685] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 357.311548][ T9685] ? vprintk_emit (kernel/printk/printk.c:2478) [ 357.311551][ T9685] vprintk_emit (kernel/printk/printk.c:2479) [ 357.311554][ T9685] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 357.311556][ T9685] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 357.311560][ T9685] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 357.311564][ T9685] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 357.311568][ T9685] _printk (kernel/printk/printk.c:2504) [ 357.311572][ T9685] ? snapshot_read.cold (user.c:?) [ 357.311575][ T9685] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 357.311578][ T9685] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 357.311582][ T9685] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 357.311585][ T9685] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 357.311590][ T9685] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 357.311593][ T9685] ? netdev_notice (net/core/dev.c:13194) [ 357.311596][ T9685] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 357.311599][ T9685] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 357.311603][ T9685] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 357.311605][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311607][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311609][ T9685] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 357.311612][ T9685] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 357.311614][ T9685] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 357.311617][ T9685] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 357.311619][ T9685] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 357.311622][ T9685] ? register_netdev (net/core/dev.c:11618) [ 357.311625][ T9685] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 357.311628][ T9685] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 357.311632][ T9685] ? __kernel_text_address (kernel/extable.c:79) [ 357.311635][ T9685] ? write_profile (profile.c:?) [ 357.311647][ T9685] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 357.311652][ T9685] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 357.311655][ T9685] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 357.311661][ T9685] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 357.311664][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311666][ T9685] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 357.311671][ T9685] ? kasan_save_stack (mm/kasan/common.c:58) [ 357.311673][ T9685] ? kasan_save_stack (mm/kasan/common.c:57) [ 357.311675][ T9685] ? kasan_save_track (mm/kasan/common.c:78) [ 357.311677][ T9685] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 357.311679][ T9685] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 357.311682][ T9685] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 357.311684][ T9685] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 357.311686][ T9685] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 357.311690][ T9685] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 357.311692][ T9685] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 357.311694][ T9685] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 357.311698][ T9685] ? ____sys_sendmsg (net/socket.c:2713) [ 357.311700][ T9685] ? ___sys_sendmsg (net/socket.c:2767) [ 357.311703][ T9685] ? __sys_sendmsg (net/socket.c:2799) [ 357.311705][ T9685] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 357.311708][ T9685] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 357.311713][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311715][ T9685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 357.311717][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311719][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311721][ T9685] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 357.311724][ T9685] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 357.311726][ T9685] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 357.311728][ T9685] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 357.311731][ T9685] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 357.311733][ T9685] ? nla_get_range_signed (lib/nlattr.c:270) [ 357.311738][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311740][ T9685] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 357.311744][ T9685] rtnl_newlink (net/core/rtnetlink.c:4215) [ 357.311747][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311749][ T9685] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 357.311752][ T9685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 357.311754][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311757][ T9685] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 357.311760][ T9685] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 357.311763][ T9685] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 357.311765][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311767][ T9685] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 357.311772][ T9685] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 357.311775][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311777][ T9685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 357.311779][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311782][ T9685] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 357.311784][ T9685] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 357.311787][ T9685] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 357.311789][ T9685] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 357.311792][ T9685] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 357.311796][ T9685] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 357.311798][ T9685] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 357.311801][ T9685] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 357.311803][ T9685] ? netlink_ack (./include/linux/skbuff.h:2718) [ 357.311806][ T9685] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 357.311811][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311813][ T9685] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 357.311817][ T9685] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 357.311820][ T9685] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 357.311823][ T9685] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 357.311826][ T9685] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 357.311830][ T9685] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 357.311832][ T9685] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 357.311835][ T9685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 357.311838][ T9685] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 357.311843][ T9685] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 357.311846][ T9685] ____sys_sendmsg (net/socket.c:2713) [ 357.311848][ T9685] ? copy_msghdr_from_user (net/socket.c:2650) [ 357.311851][ T9685] ? sock_write_iter (net/socket.c:1269) [ 357.311853][ T9685] ? move_addr_to_kernel (net/socket.c:258) [ 357.311856][ T9685] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 357.311860][ T9685] ___sys_sendmsg (net/socket.c:2767) [ 357.311863][ T9685] ? copy_msghdr_from_user (net/socket.c:2619) [ 357.311872][ T9685] __sys_sendmsg (net/socket.c:2799) [ 357.311875][ T9685] ? __sys_sendmsg_sock (net/socket.c:2780) [ 357.311879][ T9685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 357.311882][ T9685] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 357.311885][ T9685] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 357.311888][ T9685] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 357.311890][ T9685] RIP: 0033:0x7f45e44c154e [ 357.311893][ T9685] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 357.311896][ T9685] RSP: 002b:00007ffe30550fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 357.311901][ T9685] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f45e44c154e [ 357.311904][ T9685] RDX: 0000000000000000 RSI: 00007ffe30551090 RDI: 0000000000000005 [ 357.311905][ T9685] RBP: 00007ffe30550ff0 R08: 0000000000000000 R09: 0000000000000000 [ 357.311907][ T9685] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91518c [ 357.311908][ T9685] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe30551760 | [ 364.994755][ T9827] softirqs last disabled at (0): 0x0 | [ 364.994757][ T9827] Preemption disabled at: | [ 364.994758][ T9827] vprintk_emit (kernel/printk/printk.c:2471) | [ 364.994768][ T9827] Tainted: [W]=WARN [ 364.994769][ T9827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 364.994771][ T9827] Call Trace: [ 364.994773][ T9827] [ 364.994774][ T9827] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 364.994780][ T9827] ? vprintk_emit (kernel/printk/printk.c:2471) [ 364.994781][ T9827] __might_resched.cold (kernel/sched/core.c:9234) [ 364.994785][ T9827] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 364.994790][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994792][ T9827] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 364.994795][ T9827] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 364.994798][ T9827] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 364.994803][ T9827] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 364.994805][ T9827] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 364.994808][ T9827] put_chars (drivers/char/virtio_console.c:1176) [ 364.994810][ T9827] ? __send_to_port (drivers/char/virtio_console.c:654) [ 364.994811][ T9827] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 364.994813][ T9827] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 364.994816][ T9827] ? pointer (lib/vsprintf.c:2577) [ 364.994819][ T9827] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 364.994824][ T9827] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 364.994826][ T9827] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 364.994828][ T9827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 364.994830][ T9827] console_emit_next_record (kernel/printk/printk.c:3183) [ 364.994833][ T9827] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 364.994836][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994837][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994838][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994839][ T9827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 364.994841][ T9827] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 364.994843][ T9827] console_flush_one_record (kernel/printk/printk.c:3268) [ 364.994845][ T9827] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 364.994848][ T9827] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 364.994850][ T9827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 364.994852][ T9827] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 364.994853][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994854][ T9827] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 364.994856][ T9827] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 364.994858][ T9827] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 364.994859][ T9827] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 364.994862][ T9827] ? vprintk_emit (kernel/printk/printk.c:2478) [ 364.994863][ T9827] vprintk_emit (kernel/printk/printk.c:2479) [ 364.994865][ T9827] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 364.994866][ T9827] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 364.994868][ T9827] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 364.994872][ T9827] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 364.994874][ T9827] _printk (kernel/printk/printk.c:2504) [ 364.994877][ T9827] ? snapshot_read.cold (user.c:?) [ 364.994879][ T9827] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 364.994881][ T9827] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 364.994885][ T9827] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 364.994887][ T9827] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 364.994890][ T9827] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 364.994892][ T9827] ? netdev_notice (net/core/dev.c:13194) [ 364.994894][ T9827] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 364.994896][ T9827] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 364.994899][ T9827] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 364.994900][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994902][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994903][ T9827] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 364.994904][ T9827] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 364.994906][ T9827] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 364.994907][ T9827] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 364.994909][ T9827] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 364.994910][ T9827] ? register_netdev (net/core/dev.c:11618) [ 364.994912][ T9827] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 364.994914][ T9827] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 364.994917][ T9827] ? __kernel_text_address (kernel/extable.c:79) [ 364.994919][ T9827] ? write_profile (profile.c:?) [ 364.994922][ T9827] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 364.994926][ T9827] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 364.994928][ T9827] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 364.994930][ T9827] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 364.994931][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994932][ T9827] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 364.994936][ T9827] ? kasan_save_stack (mm/kasan/common.c:58) [ 364.994938][ T9827] ? kasan_save_stack (mm/kasan/common.c:57) [ 364.994939][ T9827] ? kasan_save_track (mm/kasan/common.c:78) [ 364.994940][ T9827] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 364.994941][ T9827] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 364.994942][ T9827] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 364.994943][ T9827] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 364.994945][ T9827] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 364.994948][ T9827] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 364.994949][ T9827] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 364.994951][ T9827] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 364.994953][ T9827] ? ____sys_sendmsg (net/socket.c:2713) [ 364.994955][ T9827] ? ___sys_sendmsg (net/socket.c:2767) [ 364.994956][ T9827] ? __sys_sendmsg (net/socket.c:2799) [ 364.994958][ T9827] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 364.994960][ T9827] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 364.994963][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994964][ T9827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 364.994966][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994967][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994968][ T9827] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 364.994969][ T9827] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 364.994970][ T9827] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 364.994972][ T9827] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 364.994973][ T9827] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 364.994974][ T9827] ? nla_get_range_signed (lib/nlattr.c:270) [ 364.994978][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994979][ T9827] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 364.994981][ T9827] rtnl_newlink (net/core/rtnetlink.c:4215) [ 364.994983][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994984][ T9827] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 364.994986][ T9827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 364.994987][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994989][ T9827] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 364.994991][ T9827] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 364.994992][ T9827] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 364.994994][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.994995][ T9827] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 364.994998][ T9827] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 364.995000][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.995001][ T9827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 364.995003][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.995004][ T9827] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 364.995006][ T9827] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 364.995007][ T9827] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 364.995009][ T9827] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 364.995010][ T9827] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 364.995013][ T9827] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 364.995015][ T9827] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 364.995016][ T9827] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 364.995018][ T9827] ? netlink_ack (./include/linux/skbuff.h:2718) [ 364.995019][ T9827] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 364.995023][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.995024][ T9827] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 364.995026][ T9827] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 364.995028][ T9827] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 364.995030][ T9827] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 364.995032][ T9827] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 364.995034][ T9827] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 364.995036][ T9827] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 364.995038][ T9827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 364.995039][ T9827] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 364.995043][ T9827] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 364.995045][ T9827] ____sys_sendmsg (net/socket.c:2713) [ 364.995046][ T9827] ? copy_msghdr_from_user (net/socket.c:2650) [ 364.995048][ T9827] ? sock_write_iter (net/socket.c:1269) [ 364.995049][ T9827] ? move_addr_to_kernel (net/socket.c:258) [ 364.995051][ T9827] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 364.995054][ T9827] ___sys_sendmsg (net/socket.c:2767) [ 364.995056][ T9827] ? copy_msghdr_from_user (net/socket.c:2619) [ 364.995061][ T9827] __sys_sendmsg (net/socket.c:2799) [ 364.995063][ T9827] ? __sys_sendmsg_sock (net/socket.c:2780) [ 364.995066][ T9827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 364.995067][ T9827] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 364.995069][ T9827] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 364.995071][ T9827] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 364.995073][ T9827] RIP: 0033:0x7fcf9a6a354e [ 364.995075][ T9827] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 364.995077][ T9827] RSP: 002b:00007fff3179bb10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 364.995080][ T9827] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcf9a6a354e [ 364.995082][ T9827] RDX: 0000000000000000 RSI: 00007fff3179bbc0 RDI: 0000000000000005 [ 364.995083][ T9827] RBP: 00007fff3179bb20 R08: 0000000000000000 R09: 0000000000000000 [ 364.995084][ T9827] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915194 [ 364.995085][ T9827] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3179c290 | [ 372.672582][ T9970] softirqs last disabled at (0): 0x0 | [ 372.672584][ T9970] Preemption disabled at: | [ 372.672584][ T9970] vprintk_emit (kernel/printk/printk.c:2471) | [ 372.672595][ T9970] Tainted: [W]=WARN [ 372.672596][ T9970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 372.672597][ T9970] Call Trace: [ 372.672599][ T9970] [ 372.672600][ T9970] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 372.672605][ T9970] ? vprintk_emit (kernel/printk/printk.c:2471) [ 372.672607][ T9970] __might_resched.cold (kernel/sched/core.c:9234) [ 372.672611][ T9970] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 372.672614][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672617][ T9970] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 372.672620][ T9970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 372.672623][ T9970] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 372.672628][ T9970] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 372.672630][ T9970] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 372.672632][ T9970] put_chars (drivers/char/virtio_console.c:1176) [ 372.672634][ T9970] ? __send_to_port (drivers/char/virtio_console.c:654) [ 372.672635][ T9970] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 372.672638][ T9970] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 372.672642][ T9970] ? pointer (lib/vsprintf.c:2577) [ 372.672647][ T9970] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 372.672652][ T9970] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 372.672654][ T9970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 372.672656][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 372.672661][ T9970] console_emit_next_record (kernel/printk/printk.c:3183) [ 372.672664][ T9970] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 372.672666][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672667][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672668][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672669][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 372.672671][ T9970] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 372.672673][ T9970] console_flush_one_record (kernel/printk/printk.c:3268) [ 372.672676][ T9970] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 372.672678][ T9970] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 372.672680][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 372.672682][ T9970] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 372.672684][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672685][ T9970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 372.672686][ T9970] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 372.672688][ T9970] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 372.672690][ T9970] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 372.672692][ T9970] ? vprintk_emit (kernel/printk/printk.c:2478) [ 372.672693][ T9970] vprintk_emit (kernel/printk/printk.c:2479) [ 372.672695][ T9970] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 372.672696][ T9970] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 372.672699][ T9970] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 372.672702][ T9970] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 372.672704][ T9970] _printk (kernel/printk/printk.c:2504) [ 372.672707][ T9970] ? snapshot_read.cold (user.c:?) [ 372.672709][ T9970] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 372.672711][ T9970] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 372.672715][ T9970] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 372.672717][ T9970] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 372.672720][ T9970] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 372.672726][ T9970] ? netdev_notice (net/core/dev.c:13194) [ 372.672729][ T9970] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 372.672731][ T9970] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 372.672733][ T9970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 372.672735][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672736][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672737][ T9970] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 372.672739][ T9970] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 372.672740][ T9970] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 372.672742][ T9970] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 372.672743][ T9970] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 372.672745][ T9970] ? register_netdev (net/core/dev.c:11618) [ 372.672746][ T9970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 372.672748][ T9970] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 372.672751][ T9970] ? __kernel_text_address (kernel/extable.c:79) [ 372.672754][ T9970] ? write_profile (profile.c:?) [ 372.672757][ T9970] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 372.672760][ T9970] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 372.672762][ T9970] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 372.672764][ T9970] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 372.672765][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672766][ T9970] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 372.672770][ T9970] ? kasan_save_stack (mm/kasan/common.c:58) [ 372.672772][ T9970] ? kasan_save_stack (mm/kasan/common.c:57) [ 372.672773][ T9970] ? kasan_save_track (mm/kasan/common.c:78) [ 372.672774][ T9970] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 372.672775][ T9970] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 372.672776][ T9970] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 372.672777][ T9970] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 372.672779][ T9970] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 372.672782][ T9970] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 372.672783][ T9970] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 372.672785][ T9970] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 372.672787][ T9970] ? ____sys_sendmsg (net/socket.c:2713) [ 372.672789][ T9970] ? ___sys_sendmsg (net/socket.c:2767) [ 372.672790][ T9970] ? __sys_sendmsg (net/socket.c:2799) [ 372.672792][ T9970] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 372.672795][ T9970] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 372.672797][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672798][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 372.672800][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672801][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672802][ T9970] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 372.672804][ T9970] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 372.672805][ T9970] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 372.672806][ T9970] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 372.672808][ T9970] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 372.672809][ T9970] ? nla_get_range_signed (lib/nlattr.c:270) [ 372.672812][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672814][ T9970] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 372.672816][ T9970] rtnl_newlink (net/core/rtnetlink.c:4215) [ 372.672818][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672819][ T9970] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 372.672821][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 372.672822][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672824][ T9970] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 372.672826][ T9970] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 372.672827][ T9970] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 372.672829][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672830][ T9970] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 372.672833][ T9970] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 372.672835][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672837][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 372.672838][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672839][ T9970] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 372.672841][ T9970] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 372.672843][ T9970] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 372.672844][ T9970] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 372.672846][ T9970] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 372.672848][ T9970] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 372.672850][ T9970] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 372.672851][ T9970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 372.672853][ T9970] ? netlink_ack (./include/linux/skbuff.h:2718) [ 372.672855][ T9970] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 372.672858][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672859][ T9970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 372.672861][ T9970] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 372.672863][ T9970] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 372.672865][ T9970] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 372.672867][ T9970] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 372.672870][ T9970] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 372.672871][ T9970] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 372.672873][ T9970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 372.672875][ T9970] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 372.672878][ T9970] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 372.672880][ T9970] ____sys_sendmsg (net/socket.c:2713) [ 372.672882][ T9970] ? copy_msghdr_from_user (net/socket.c:2650) [ 372.672883][ T9970] ? sock_write_iter (net/socket.c:1269) [ 372.672885][ T9970] ? move_addr_to_kernel (net/socket.c:258) [ 372.672886][ T9970] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 372.672889][ T9970] ___sys_sendmsg (net/socket.c:2767) [ 372.672891][ T9970] ? copy_msghdr_from_user (net/socket.c:2619) [ 372.672896][ T9970] __sys_sendmsg (net/socket.c:2799) [ 372.672898][ T9970] ? __sys_sendmsg_sock (net/socket.c:2780) [ 372.672901][ T9970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 372.672903][ T9970] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 372.672905][ T9970] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 372.672907][ T9970] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 372.672908][ T9970] RIP: 0033:0x7fa5aba2b54e [ 372.672910][ T9970] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 372.672912][ T9970] RSP: 002b:00007fff0592a990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 372.672915][ T9970] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5aba2b54e [ 372.672917][ T9970] RDX: 0000000000000000 RSI: 00007fff0592aa40 RDI: 0000000000000005 [ 372.672918][ T9970] RBP: 00007fff0592a9a0 R08: 0000000000000000 R09: 0000000000000000 [ 372.672919][ T9970] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91519b [ 372.672920][ T9970] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0592b110 | [ 380.419757][T10113] softirqs last disabled at (0): 0x0 | [ 380.419758][T10113] Preemption disabled at: | [ 380.419759][T10113] vprintk_emit (kernel/printk/printk.c:2471) | [ 380.419773][T10113] Tainted: [W]=WARN [ 380.419774][T10113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 380.419776][T10113] Call Trace: [ 380.419777][T10113] [ 380.419779][T10113] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 380.419784][T10113] ? vprintk_emit (kernel/printk/printk.c:2471) [ 380.419786][T10113] __might_resched.cold (kernel/sched/core.c:9234) [ 380.419790][T10113] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 380.419793][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419796][T10113] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 380.419799][T10113] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 380.419802][T10113] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 380.419807][T10113] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 380.419809][T10113] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 380.419812][T10113] put_chars (drivers/char/virtio_console.c:1176) [ 380.419813][T10113] ? __send_to_port (drivers/char/virtio_console.c:654) [ 380.419815][T10113] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 380.419817][T10113] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 380.419819][T10113] ? pointer (lib/vsprintf.c:2577) [ 380.419823][T10113] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 380.419827][T10113] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 380.419829][T10113] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 380.419831][T10113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 380.419834][T10113] console_emit_next_record (kernel/printk/printk.c:3183) [ 380.419837][T10113] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 380.419839][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419840][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419841][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419842][T10113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 380.419844][T10113] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 380.419846][T10113] console_flush_one_record (kernel/printk/printk.c:3268) [ 380.419848][T10113] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 380.419851][T10113] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 380.419853][T10113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 380.419855][T10113] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 380.419856][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419857][T10113] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 380.419859][T10113] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 380.419860][T10113] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 380.419862][T10113] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 380.419864][T10113] ? vprintk_emit (kernel/printk/printk.c:2478) [ 380.419866][T10113] vprintk_emit (kernel/printk/printk.c:2479) [ 380.419867][T10113] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 380.419869][T10113] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 380.419871][T10113] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 380.419874][T10113] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 380.419877][T10113] _printk (kernel/printk/printk.c:2504) [ 380.419880][T10113] ? snapshot_read.cold (user.c:?) [ 380.419882][T10113] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 380.419884][T10113] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 380.419888][T10113] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 380.419890][T10113] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 380.419893][T10113] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 380.419895][T10113] ? netdev_notice (net/core/dev.c:13194) [ 380.419897][T10113] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 380.419899][T10113] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 380.419902][T10113] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 380.419903][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419904][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419905][T10113] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 380.419907][T10113] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 380.419908][T10113] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 380.419910][T10113] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 380.419911][T10113] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 380.419913][T10113] ? register_netdev (net/core/dev.c:11618) [ 380.419914][T10113] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 380.419916][T10113] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 380.419919][T10113] ? __kernel_text_address (kernel/extable.c:79) [ 380.419922][T10113] ? write_profile (profile.c:?) [ 380.419925][T10113] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 380.419928][T10113] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 380.419930][T10113] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 380.419932][T10113] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 380.419933][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419934][T10113] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 380.419937][T10113] ? kasan_save_stack (mm/kasan/common.c:58) [ 380.419939][T10113] ? kasan_save_stack (mm/kasan/common.c:57) [ 380.419940][T10113] ? kasan_save_track (mm/kasan/common.c:78) [ 380.419941][T10113] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 380.419943][T10113] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 380.419944][T10113] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 380.419945][T10113] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 380.419946][T10113] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 380.419949][T10113] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 380.419951][T10113] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 380.419952][T10113] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 380.419954][T10113] ? ____sys_sendmsg (net/socket.c:2713) [ 380.419956][T10113] ? ___sys_sendmsg (net/socket.c:2767) [ 380.419957][T10113] ? __sys_sendmsg (net/socket.c:2799) [ 380.419959][T10113] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 380.419961][T10113] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 380.419964][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419965][T10113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 380.419967][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419968][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419969][T10113] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 380.419970][T10113] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 380.419971][T10113] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 380.419973][T10113] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 380.419974][T10113] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 380.419976][T10113] ? nla_get_range_signed (lib/nlattr.c:270) [ 380.419979][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419980][T10113] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 380.419982][T10113] rtnl_newlink (net/core/rtnetlink.c:4215) [ 380.419984][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419986][T10113] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 380.419987][T10113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 380.419988][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419990][T10113] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 380.419992][T10113] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 380.419993][T10113] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 380.419995][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.419996][T10113] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 380.419999][T10113] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 380.420002][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.420003][T10113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 380.420004][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.420006][T10113] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 380.420007][T10113] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 380.420009][T10113] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 380.420010][T10113] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 380.420012][T10113] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 380.420014][T10113] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 380.420016][T10113] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 380.420017][T10113] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 380.420019][T10113] ? netlink_ack (./include/linux/skbuff.h:2718) [ 380.420021][T10113] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 380.420024][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.420025][T10113] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 380.420027][T10113] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 380.420029][T10113] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 380.420031][T10113] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 380.420033][T10113] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 380.420035][T10113] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 380.420037][T10113] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 380.420039][T10113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 380.420040][T10113] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 380.420044][T10113] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 380.420045][T10113] ____sys_sendmsg (net/socket.c:2713) [ 380.420047][T10113] ? copy_msghdr_from_user (net/socket.c:2650) [ 380.420049][T10113] ? sock_write_iter (net/socket.c:1269) [ 380.420050][T10113] ? move_addr_to_kernel (net/socket.c:258) [ 380.420052][T10113] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 380.420055][T10113] ___sys_sendmsg (net/socket.c:2767) [ 380.420056][T10113] ? copy_msghdr_from_user (net/socket.c:2619) [ 380.420062][T10113] __sys_sendmsg (net/socket.c:2799) [ 380.420064][T10113] ? __sys_sendmsg_sock (net/socket.c:2780) [ 380.420068][T10113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 380.420071][T10113] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 380.420073][T10113] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 380.420076][T10113] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 380.420079][T10113] RIP: 0033:0x7f0770a8854e [ 380.420081][T10113] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 380.420083][T10113] RSP: 002b:00007ffc786bdd90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 380.420087][T10113] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0770a8854e [ 380.420088][T10113] RDX: 0000000000000000 RSI: 00007ffc786bde40 RDI: 0000000000000005 [ 380.420089][T10113] RBP: 00007ffc786bdda0 R08: 0000000000000000 R09: 0000000000000000 [ 380.420090][T10113] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151a3 [ 380.420091][T10113] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc786be510 | [ 387.990711][T10256] softirqs last disabled at (0): 0x0 | [ 387.990713][T10256] Preemption disabled at: | [ 387.990714][T10256] vprintk_emit (kernel/printk/printk.c:2471) | [ 387.990724][T10256] Tainted: [W]=WARN [ 387.990724][T10256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 387.990726][T10256] Call Trace: [ 387.990727][T10256] [ 387.990728][T10256] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 387.990734][T10256] ? vprintk_emit (kernel/printk/printk.c:2471) [ 387.990735][T10256] __might_resched.cold (kernel/sched/core.c:9234) [ 387.990739][T10256] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 387.990743][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990746][T10256] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 387.990749][T10256] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 387.990752][T10256] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 387.990757][T10256] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 387.990759][T10256] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 387.990761][T10256] put_chars (drivers/char/virtio_console.c:1176) [ 387.990763][T10256] ? __send_to_port (drivers/char/virtio_console.c:654) [ 387.990765][T10256] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 387.990767][T10256] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 387.990769][T10256] ? pointer (lib/vsprintf.c:2577) [ 387.990773][T10256] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 387.990777][T10256] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 387.990779][T10256] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 387.990781][T10256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 387.990784][T10256] console_emit_next_record (kernel/printk/printk.c:3183) [ 387.990787][T10256] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 387.990789][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990790][T10256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 387.990792][T10256] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 387.990794][T10256] console_flush_one_record (kernel/printk/printk.c:3268) [ 387.990796][T10256] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 387.990799][T10256] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 387.990801][T10256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 387.990803][T10256] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 387.990804][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990805][T10256] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 387.990813][T10256] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 387.990815][T10256] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 387.990817][T10256] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 387.990819][T10256] ? vprintk_emit (kernel/printk/printk.c:2478) [ 387.990820][T10256] vprintk_emit (kernel/printk/printk.c:2479) [ 387.990822][T10256] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 387.990823][T10256] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 387.990826][T10256] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 387.990829][T10256] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 387.990831][T10256] _printk (kernel/printk/printk.c:2504) [ 387.990834][T10256] ? snapshot_read.cold (user.c:?) [ 387.990836][T10256] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 387.990838][T10256] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 387.990841][T10256] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 387.990843][T10256] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 387.990847][T10256] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 387.990849][T10256] ? netdev_notice (net/core/dev.c:13194) [ 387.990851][T10256] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 387.990853][T10256] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 387.990855][T10256] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 387.990857][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990858][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990859][T10256] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 387.990860][T10256] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 387.990862][T10256] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 387.990863][T10256] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 387.990864][T10256] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 387.990866][T10256] ? register_netdev (net/core/dev.c:11618) [ 387.990867][T10256] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 387.990870][T10256] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 387.990872][T10256] ? __kernel_text_address (kernel/extable.c:79) [ 387.990875][T10256] ? write_profile (profile.c:?) [ 387.990878][T10256] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 387.990882][T10256] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 387.990883][T10256] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 387.990885][T10256] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 387.990886][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990887][T10256] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 387.990891][T10256] ? kasan_save_stack (mm/kasan/common.c:58) [ 387.990893][T10256] ? kasan_save_stack (mm/kasan/common.c:57) [ 387.990894][T10256] ? kasan_save_track (mm/kasan/common.c:78) [ 387.990895][T10256] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 387.990896][T10256] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 387.990897][T10256] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 387.990899][T10256] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 387.990900][T10256] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 387.990903][T10256] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 387.990905][T10256] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 387.990906][T10256] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 387.990909][T10256] ? ____sys_sendmsg (net/socket.c:2713) [ 387.990910][T10256] ? ___sys_sendmsg (net/socket.c:2767) [ 387.990912][T10256] ? __sys_sendmsg (net/socket.c:2799) [ 387.990913][T10256] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 387.990916][T10256] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 387.990918][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990919][T10256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 387.990921][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990922][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990923][T10256] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 387.990925][T10256] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 387.990926][T10256] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 387.990927][T10256] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 387.990929][T10256] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 387.990930][T10256] ? nla_get_range_signed (lib/nlattr.c:270) [ 387.990933][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990934][T10256] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 387.990936][T10256] rtnl_newlink (net/core/rtnetlink.c:4215) [ 387.990938][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990940][T10256] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 387.990941][T10256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 387.990942][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990944][T10256] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 387.990946][T10256] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 387.990947][T10256] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 387.990949][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990950][T10256] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 387.990953][T10256] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 387.990956][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990957][T10256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 387.990958][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990960][T10256] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 387.990961][T10256] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 387.990963][T10256] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 387.990964][T10256] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 387.990966][T10256] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 387.990968][T10256] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 387.990970][T10256] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 387.990971][T10256] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 387.990973][T10256] ? netlink_ack (./include/linux/skbuff.h:2718) [ 387.990975][T10256] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 387.990978][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.990979][T10256] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 387.990981][T10256] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 387.990983][T10256] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 387.990985][T10256] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 387.990987][T10256] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 387.990989][T10256] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 387.990991][T10256] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 387.990993][T10256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 387.990994][T10256] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 387.990998][T10256] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 387.990999][T10256] ____sys_sendmsg (net/socket.c:2713) [ 387.991001][T10256] ? copy_msghdr_from_user (net/socket.c:2650) [ 387.991003][T10256] ? sock_write_iter (net/socket.c:1269) [ 387.991004][T10256] ? move_addr_to_kernel (net/socket.c:258) [ 387.991006][T10256] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 387.991008][T10256] ___sys_sendmsg (net/socket.c:2767) [ 387.991010][T10256] ? copy_msghdr_from_user (net/socket.c:2619) [ 387.991015][T10256] __sys_sendmsg (net/socket.c:2799) [ 387.991017][T10256] ? __sys_sendmsg_sock (net/socket.c:2780) [ 387.991020][T10256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 387.991022][T10256] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 387.991023][T10256] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 387.991026][T10256] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 387.991027][T10256] RIP: 0033:0x7fbd3683154e [ 387.991029][T10256] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 387.991031][T10256] RSP: 002b:00007ffde42db1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 387.991035][T10256] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbd3683154e [ 387.991036][T10256] RDX: 0000000000000000 RSI: 00007ffde42db2a0 RDI: 0000000000000005 [ 387.991037][T10256] RBP: 00007ffde42db200 R08: 0000000000000000 R09: 0000000000000000 [ 387.991038][T10256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151ab [ 387.991039][T10256] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde42db970 | [ 395.845643][T10399] softirqs last disabled at (0): 0x0 | [ 395.845644][T10399] Preemption disabled at: | [ 395.845645][T10399] vprintk_emit (kernel/printk/printk.c:2471) | [ 395.845655][T10399] Tainted: [W]=WARN [ 395.845656][T10399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 395.845662][T10399] Call Trace: [ 395.845664][T10399] [ 395.845665][T10399] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 395.845671][T10399] ? vprintk_emit (kernel/printk/printk.c:2471) [ 395.845672][T10399] __might_resched.cold (kernel/sched/core.c:9234) [ 395.845676][T10399] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 395.845679][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845682][T10399] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 395.845685][T10399] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 395.845688][T10399] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 395.845693][T10399] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 395.845695][T10399] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 395.845698][T10399] put_chars (drivers/char/virtio_console.c:1176) [ 395.845699][T10399] ? __send_to_port (drivers/char/virtio_console.c:654) [ 395.845701][T10399] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 395.845703][T10399] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 395.845705][T10399] ? pointer (lib/vsprintf.c:2577) [ 395.845709][T10399] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 395.845714][T10399] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 395.845716][T10399] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 395.845718][T10399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 395.845720][T10399] console_emit_next_record (kernel/printk/printk.c:3183) [ 395.845723][T10399] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 395.845725][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845726][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845727][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845728][T10399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 395.845730][T10399] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 395.845732][T10399] console_flush_one_record (kernel/printk/printk.c:3268) [ 395.845735][T10399] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 395.845738][T10399] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 395.845740][T10399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 395.845741][T10399] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 395.845743][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845744][T10399] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 395.845746][T10399] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 395.845747][T10399] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 395.845749][T10399] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 395.845752][T10399] ? vprintk_emit (kernel/printk/printk.c:2478) [ 395.845754][T10399] vprintk_emit (kernel/printk/printk.c:2479) [ 395.845757][T10399] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 395.845759][T10399] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 395.845762][T10399] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 395.845767][T10399] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 395.845770][T10399] _printk (kernel/printk/printk.c:2504) [ 395.845773][T10399] ? snapshot_read.cold (user.c:?) [ 395.845775][T10399] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 395.845777][T10399] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 395.845781][T10399] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 395.845782][T10399] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 395.845786][T10399] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 395.845788][T10399] ? netdev_notice (net/core/dev.c:13194) [ 395.845790][T10399] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 395.845792][T10399] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 395.845795][T10399] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 395.845797][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845798][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845799][T10399] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 395.845800][T10399] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 395.845802][T10399] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 395.845803][T10399] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 395.845805][T10399] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 395.845807][T10399] ? register_netdev (net/core/dev.c:11618) [ 395.845808][T10399] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 395.845810][T10399] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 395.845813][T10399] ? __kernel_text_address (kernel/extable.c:79) [ 395.845816][T10399] ? write_profile (profile.c:?) [ 395.845819][T10399] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 395.845823][T10399] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 395.845824][T10399] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 395.845826][T10399] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 395.845827][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845828][T10399] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 395.845832][T10399] ? kasan_save_stack (mm/kasan/common.c:58) [ 395.845834][T10399] ? kasan_save_stack (mm/kasan/common.c:57) [ 395.845835][T10399] ? kasan_save_track (mm/kasan/common.c:78) [ 395.845836][T10399] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 395.845837][T10399] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 395.845839][T10399] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 395.845840][T10399] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 395.845841][T10399] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 395.845844][T10399] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 395.845846][T10399] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 395.845847][T10399] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 395.845856][T10399] ? ____sys_sendmsg (net/socket.c:2713) [ 395.845858][T10399] ? ___sys_sendmsg (net/socket.c:2767) [ 395.845859][T10399] ? __sys_sendmsg (net/socket.c:2799) [ 395.845861][T10399] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 395.845864][T10399] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 395.845866][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845867][T10399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 395.845869][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845870][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845871][T10399] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 395.845873][T10399] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 395.845874][T10399] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 395.845875][T10399] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 395.845877][T10399] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 395.845878][T10399] ? nla_get_range_signed (lib/nlattr.c:270) [ 395.845881][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845882][T10399] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 395.845885][T10399] rtnl_newlink (net/core/rtnetlink.c:4215) [ 395.845887][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845888][T10399] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 395.845889][T10399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 395.845891][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845892][T10399] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 395.845894][T10399] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 395.845896][T10399] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 395.845897][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845899][T10399] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 395.845902][T10399] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 395.845904][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845905][T10399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 395.845907][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845908][T10399] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 395.845910][T10399] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 395.845911][T10399] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 395.845913][T10399] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 395.845914][T10399] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 395.845917][T10399] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 395.845919][T10399] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 395.845920][T10399] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 395.845922][T10399] ? netlink_ack (./include/linux/skbuff.h:2718) [ 395.845924][T10399] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 395.845927][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845928][T10399] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 395.845930][T10399] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 395.845933][T10399] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 395.845935][T10399] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 395.845937][T10399] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 395.845939][T10399] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 395.845941][T10399] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 395.845942][T10399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 395.845944][T10399] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 395.845947][T10399] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 395.845949][T10399] ____sys_sendmsg (net/socket.c:2713) [ 395.845951][T10399] ? copy_msghdr_from_user (net/socket.c:2650) [ 395.845953][T10399] ? sock_write_iter (net/socket.c:1269) [ 395.845954][T10399] ? move_addr_to_kernel (net/socket.c:258) [ 395.845956][T10399] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 395.845959][T10399] ___sys_sendmsg (net/socket.c:2767) [ 395.845961][T10399] ? copy_msghdr_from_user (net/socket.c:2619) [ 395.845966][T10399] __sys_sendmsg (net/socket.c:2799) [ 395.845968][T10399] ? __sys_sendmsg_sock (net/socket.c:2780) [ 395.845971][T10399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 395.845972][T10399] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 395.845974][T10399] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 395.845976][T10399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 395.845978][T10399] RIP: 0033:0x7fb3ef57454e [ 395.845980][T10399] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 395.845981][T10399] RSP: 002b:00007ffc831271f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 395.845985][T10399] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb3ef57454e [ 395.845987][T10399] RDX: 0000000000000000 RSI: 00007ffc831272a0 RDI: 0000000000000005 [ 395.845987][T10399] RBP: 00007ffc83127200 R08: 0000000000000000 R09: 0000000000000000 [ 395.845988][T10399] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151b3 [ 395.845989][T10399] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc83127970 | [ 403.682730][T10542] softirqs last disabled at (0): 0x0 | [ 403.682732][T10542] Preemption disabled at: | [ 403.682733][T10542] vprintk_emit (kernel/printk/printk.c:2471) | [ 403.682743][T10542] Tainted: [W]=WARN [ 403.682744][T10542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 403.682746][T10542] Call Trace: [ 403.682748][T10542] [ 403.682749][T10542] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 403.682755][T10542] ? vprintk_emit (kernel/printk/printk.c:2471) [ 403.682756][T10542] __might_resched.cold (kernel/sched/core.c:9234) [ 403.682760][T10542] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 403.682764][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682766][T10542] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 403.682769][T10542] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 403.682772][T10542] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 403.682778][T10542] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 403.682779][T10542] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 403.682782][T10542] put_chars (drivers/char/virtio_console.c:1176) [ 403.682784][T10542] ? __send_to_port (drivers/char/virtio_console.c:654) [ 403.682785][T10542] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 403.682787][T10542] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 403.682790][T10542] ? pointer (lib/vsprintf.c:2577) [ 403.682793][T10542] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 403.682798][T10542] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 403.682800][T10542] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 403.682802][T10542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.682805][T10542] console_emit_next_record (kernel/printk/printk.c:3183) [ 403.682808][T10542] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 403.682810][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682811][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682812][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682813][T10542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.682815][T10542] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 403.682817][T10542] console_flush_one_record (kernel/printk/printk.c:3268) [ 403.682820][T10542] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 403.682823][T10542] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 403.682825][T10542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.682826][T10542] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 403.682828][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682829][T10542] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 403.682831][T10542] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 403.682832][T10542] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 403.682834][T10542] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 403.682836][T10542] ? vprintk_emit (kernel/printk/printk.c:2478) [ 403.682838][T10542] vprintk_emit (kernel/printk/printk.c:2479) [ 403.682839][T10542] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 403.682841][T10542] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 403.682843][T10542] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 403.682846][T10542] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 403.682849][T10542] _printk (kernel/printk/printk.c:2504) [ 403.682852][T10542] ? snapshot_read.cold (user.c:?) [ 403.682854][T10542] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 403.682856][T10542] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 403.682859][T10542] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 403.682861][T10542] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 403.682865][T10542] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 403.682867][T10542] ? netdev_notice (net/core/dev.c:13194) [ 403.682869][T10542] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 403.682871][T10542] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 403.682874][T10542] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 403.682876][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682877][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682878][T10542] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 403.682879][T10542] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 403.682881][T10542] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 403.682882][T10542] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 403.682884][T10542] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 403.682886][T10542] ? register_netdev (net/core/dev.c:11618) [ 403.682887][T10542] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 403.682889][T10542] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 403.682892][T10542] ? __kernel_text_address (kernel/extable.c:79) [ 403.682901][T10542] ? write_profile (profile.c:?) [ 403.682905][T10542] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 403.682908][T10542] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 403.682910][T10542] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 403.682912][T10542] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 403.682913][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682914][T10542] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 403.682918][T10542] ? kasan_save_stack (mm/kasan/common.c:58) [ 403.682920][T10542] ? kasan_save_stack (mm/kasan/common.c:57) [ 403.682921][T10542] ? kasan_save_track (mm/kasan/common.c:78) [ 403.682922][T10542] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 403.682924][T10542] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 403.682925][T10542] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 403.682926][T10542] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 403.682927][T10542] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 403.682930][T10542] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 403.682932][T10542] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 403.682933][T10542] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 403.682936][T10542] ? ____sys_sendmsg (net/socket.c:2713) [ 403.682938][T10542] ? ___sys_sendmsg (net/socket.c:2767) [ 403.682939][T10542] ? __sys_sendmsg (net/socket.c:2799) [ 403.682941][T10542] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 403.682943][T10542] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 403.682946][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682947][T10542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.682949][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682950][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682951][T10542] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 403.682953][T10542] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 403.682954][T10542] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 403.682955][T10542] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 403.682957][T10542] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 403.682958][T10542] ? nla_get_range_signed (lib/nlattr.c:270) [ 403.682961][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682963][T10542] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 403.682965][T10542] rtnl_newlink (net/core/rtnetlink.c:4215) [ 403.682967][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682969][T10542] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 403.682970][T10542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.682972][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682973][T10542] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 403.682975][T10542] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 403.682977][T10542] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 403.682978][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682980][T10542] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 403.682983][T10542] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 403.682985][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682987][T10542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.682988][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.682989][T10542] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 403.682991][T10542] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 403.682993][T10542] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 403.682994][T10542] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 403.682996][T10542] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 403.682998][T10542] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 403.683000][T10542] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 403.683002][T10542] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 403.683003][T10542] ? netlink_ack (./include/linux/skbuff.h:2718) [ 403.683005][T10542] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 403.683008][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.683010][T10542] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 403.683012][T10542] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 403.683014][T10542] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 403.683016][T10542] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 403.683018][T10542] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 403.683020][T10542] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 403.683022][T10542] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 403.683024][T10542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.683026][T10542] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 403.683029][T10542] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 403.683031][T10542] ____sys_sendmsg (net/socket.c:2713) [ 403.683033][T10542] ? copy_msghdr_from_user (net/socket.c:2650) [ 403.683034][T10542] ? sock_write_iter (net/socket.c:1269) [ 403.683036][T10542] ? move_addr_to_kernel (net/socket.c:258) [ 403.683038][T10542] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 403.683041][T10542] ___sys_sendmsg (net/socket.c:2767) [ 403.683042][T10542] ? copy_msghdr_from_user (net/socket.c:2619) [ 403.683048][T10542] __sys_sendmsg (net/socket.c:2799) [ 403.683050][T10542] ? __sys_sendmsg_sock (net/socket.c:2780) [ 403.683053][T10542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.683054][T10542] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 403.683056][T10542] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 403.683058][T10542] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 403.683060][T10542] RIP: 0033:0x7f5a1a98a54e [ 403.683062][T10542] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 403.683064][T10542] RSP: 002b:00007ffcc1721de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 403.683068][T10542] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5a1a98a54e [ 403.683069][T10542] RDX: 0000000000000000 RSI: 00007ffcc1721e90 RDI: 0000000000000005 [ 403.683071][T10542] RBP: 00007ffcc1721df0 R08: 0000000000000000 R09: 0000000000000000 [ 403.683071][T10542] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151ba [ 403.683072][T10542] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc1722560 | [ 411.503271][T10685] softirqs last disabled at (0): 0x0 | [ 411.503273][T10685] Preemption disabled at: | [ 411.503274][T10685] vprintk_emit (kernel/printk/printk.c:2471) | [ 411.503284][T10685] Tainted: [W]=WARN [ 411.503285][T10685] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 411.503287][T10685] Call Trace: [ 411.503289][T10685] [ 411.503290][T10685] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 411.503296][T10685] ? vprintk_emit (kernel/printk/printk.c:2471) [ 411.503298][T10685] __might_resched.cold (kernel/sched/core.c:9234) [ 411.503302][T10685] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 411.503306][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503309][T10685] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 411.503312][T10685] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 411.503315][T10685] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 411.503321][T10685] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 411.503323][T10685] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 411.503326][T10685] put_chars (drivers/char/virtio_console.c:1176) [ 411.503327][T10685] ? __send_to_port (drivers/char/virtio_console.c:654) [ 411.503329][T10685] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 411.503331][T10685] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 411.503334][T10685] ? pointer (lib/vsprintf.c:2577) [ 411.503338][T10685] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 411.503343][T10685] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 411.503344][T10685] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 411.503347][T10685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 411.503349][T10685] console_emit_next_record (kernel/printk/printk.c:3183) [ 411.503352][T10685] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 411.503355][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503356][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503357][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503358][T10685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 411.503360][T10685] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 411.503362][T10685] console_flush_one_record (kernel/printk/printk.c:3268) [ 411.503365][T10685] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 411.503368][T10685] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 411.503370][T10685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 411.503372][T10685] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 411.503374][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503375][T10685] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 411.503376][T10685] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 411.503378][T10685] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 411.503380][T10685] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 411.503382][T10685] ? vprintk_emit (kernel/printk/printk.c:2478) [ 411.503383][T10685] vprintk_emit (kernel/printk/printk.c:2479) [ 411.503385][T10685] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 411.503387][T10685] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 411.503389][T10685] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 411.503392][T10685] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 411.503395][T10685] _printk (kernel/printk/printk.c:2504) [ 411.503398][T10685] ? snapshot_read.cold (user.c:?) [ 411.503400][T10685] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 411.503403][T10685] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 411.503406][T10685] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 411.503408][T10685] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 411.503412][T10685] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 411.503414][T10685] ? netdev_notice (net/core/dev.c:13194) [ 411.503417][T10685] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 411.503418][T10685] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 411.503421][T10685] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 411.503423][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503424][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503425][T10685] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 411.503427][T10685] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 411.503428][T10685] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 411.503430][T10685] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 411.503431][T10685] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 411.503433][T10685] ? register_netdev (net/core/dev.c:11618) [ 411.503435][T10685] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 411.503437][T10685] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 411.503440][T10685] ? __kernel_text_address (kernel/extable.c:79) [ 411.503443][T10685] ? write_profile (profile.c:?) [ 411.503446][T10685] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 411.503450][T10685] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 411.503452][T10685] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 411.503454][T10685] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 411.503455][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503456][T10685] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 411.503460][T10685] ? kasan_save_stack (mm/kasan/common.c:58) [ 411.503462][T10685] ? kasan_save_stack (mm/kasan/common.c:57) [ 411.503463][T10685] ? kasan_save_track (mm/kasan/common.c:78) [ 411.503464][T10685] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 411.503465][T10685] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 411.503467][T10685] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 411.503468][T10685] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 411.503469][T10685] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 411.503472][T10685] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 411.503474][T10685] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 411.503476][T10685] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 411.503479][T10685] ? ____sys_sendmsg (net/socket.c:2713) [ 411.503480][T10685] ? ___sys_sendmsg (net/socket.c:2767) [ 411.503482][T10685] ? __sys_sendmsg (net/socket.c:2799) [ 411.503484][T10685] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 411.503486][T10685] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 411.503489][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503490][T10685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 411.503492][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503493][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503494][T10685] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 411.503496][T10685] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 411.503497][T10685] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 411.503498][T10685] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 411.503500][T10685] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 411.503501][T10685] ? nla_get_range_signed (lib/nlattr.c:270) [ 411.503504][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503506][T10685] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 411.503508][T10685] rtnl_newlink (net/core/rtnetlink.c:4215) [ 411.503510][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503512][T10685] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 411.503513][T10685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 411.503515][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503516][T10685] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 411.503519][T10685] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 411.503520][T10685] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 411.503522][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503523][T10685] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 411.503526][T10685] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 411.503529][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503530][T10685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 411.503531][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503533][T10685] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 411.503534][T10685] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 411.503536][T10685] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 411.503537][T10685] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 411.503539][T10685] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 411.503542][T10685] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 411.503543][T10685] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 411.503545][T10685] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 411.503547][T10685] ? netlink_ack (./include/linux/skbuff.h:2718) [ 411.503548][T10685] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 411.503552][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503553][T10685] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 411.503555][T10685] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 411.503558][T10685] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 411.503560][T10685] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 411.503562][T10685] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 411.503564][T10685] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 411.503566][T10685] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 411.503568][T10685] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 411.503569][T10685] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 411.503573][T10685] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 411.503575][T10685] ____sys_sendmsg (net/socket.c:2713) [ 411.503576][T10685] ? copy_msghdr_from_user (net/socket.c:2650) [ 411.503578][T10685] ? sock_write_iter (net/socket.c:1269) [ 411.503580][T10685] ? move_addr_to_kernel (net/socket.c:258) [ 411.503582][T10685] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 411.503584][T10685] ___sys_sendmsg (net/socket.c:2767) [ 411.503586][T10685] ? copy_msghdr_from_user (net/socket.c:2619) [ 411.503592][T10685] __sys_sendmsg (net/socket.c:2799) [ 411.503594][T10685] ? __sys_sendmsg_sock (net/socket.c:2780) [ 411.503597][T10685] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.503599][T10685] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 411.503601][T10685] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 411.503603][T10685] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 411.503604][T10685] RIP: 0033:0x7f3fce51a54e [ 411.503606][T10685] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 411.503609][T10685] RSP: 002b:00007fff94fd5df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 411.503612][T10685] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3fce51a54e [ 411.503614][T10685] RDX: 0000000000000000 RSI: 00007fff94fd5ea0 RDI: 0000000000000005 [ 411.503615][T10685] RBP: 00007fff94fd5e00 R08: 0000000000000000 R09: 0000000000000000 [ 411.503616][T10685] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151c2 [ 411.503617][T10685] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff94fd6570 | [ 419.182279][T10828] softirqs last disabled at (0): 0x0 | [ 419.182281][T10828] Preemption disabled at: | [ 419.182282][T10828] vprintk_emit (kernel/printk/printk.c:2471) | [ 419.182295][T10828] Tainted: [W]=WARN [ 419.182297][T10828] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 419.182299][T10828] Call Trace: [ 419.182300][T10828] [ 419.182302][T10828] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 419.182309][T10828] ? vprintk_emit (kernel/printk/printk.c:2471) [ 419.182311][T10828] __might_resched.cold (kernel/sched/core.c:9234) [ 419.182316][T10828] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 419.182320][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182324][T10828] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 419.182327][T10828] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 419.182331][T10828] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 419.182341][T10828] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 419.182345][T10828] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 419.182353][T10828] put_chars (drivers/char/virtio_console.c:1176) [ 419.182357][T10828] ? __send_to_port (drivers/char/virtio_console.c:654) [ 419.182359][T10828] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 419.182363][T10828] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 419.182366][T10828] ? pointer (lib/vsprintf.c:2577) [ 419.182371][T10828] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 419.182382][T10828] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 419.182386][T10828] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 419.182389][T10828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 419.182393][T10828] console_emit_next_record (kernel/printk/printk.c:3183) [ 419.182397][T10828] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 419.182401][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182403][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182405][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182407][T10828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 419.182410][T10828] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 419.182413][T10828] console_flush_one_record (kernel/printk/printk.c:3268) [ 419.182417][T10828] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 419.182421][T10828] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 419.182424][T10828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 419.182426][T10828] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 419.182429][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182431][T10828] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 419.182433][T10828] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 419.182435][T10828] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 419.182437][T10828] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 419.182440][T10828] ? vprintk_emit (kernel/printk/printk.c:2478) [ 419.182443][T10828] vprintk_emit (kernel/printk/printk.c:2479) [ 419.182445][T10828] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 419.182447][T10828] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 419.182451][T10828] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 419.182454][T10828] _printk (kernel/printk/printk.c:2504) [ 419.182458][T10828] ? snapshot_read.cold (user.c:?) [ 419.182461][T10828] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 419.182464][T10828] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 419.182468][T10828] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 419.182471][T10828] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 419.182475][T10828] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 419.182478][T10828] ? netdev_notice (net/core/dev.c:13194) [ 419.182482][T10828] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 419.182484][T10828] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 419.182492][T10828] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 419.182495][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182499][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182504][T10828] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 419.182508][T10828] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 419.182511][T10828] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 419.182514][T10828] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 419.182516][T10828] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 419.182519][T10828] ? register_netdev (net/core/dev.c:11618) [ 419.182526][T10828] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 419.182530][T10828] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 419.182534][T10828] ? __kernel_text_address (kernel/extable.c:79) [ 419.182538][T10828] ? write_profile (profile.c:?) [ 419.182542][T10828] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 419.182547][T10828] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 419.182551][T10828] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 419.182553][T10828] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 419.182555][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182558][T10828] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 419.182562][T10828] ? kasan_save_stack (mm/kasan/common.c:58) [ 419.182565][T10828] ? kasan_save_stack (mm/kasan/common.c:57) [ 419.182567][T10828] ? kasan_save_track (mm/kasan/common.c:78) [ 419.182569][T10828] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 419.182571][T10828] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 419.182573][T10828] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 419.182574][T10828] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 419.182577][T10828] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 419.182580][T10828] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 419.182583][T10828] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 419.182585][T10828] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 419.182588][T10828] ? ____sys_sendmsg (net/socket.c:2713) [ 419.182590][T10828] ? ___sys_sendmsg (net/socket.c:2767) [ 419.182592][T10828] ? __sys_sendmsg (net/socket.c:2799) [ 419.182595][T10828] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 419.182598][T10828] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 419.182602][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182603][T10828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 419.182606][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182607][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182609][T10828] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 419.182611][T10828] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 419.182613][T10828] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 419.182615][T10828] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 419.182618][T10828] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 419.182620][T10828] ? nla_get_range_signed (lib/nlattr.c:270) [ 419.182624][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182626][T10828] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 419.182630][T10828] rtnl_newlink (net/core/rtnetlink.c:4215) [ 419.182633][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182635][T10828] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 419.182637][T10828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 419.182639][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182641][T10828] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 419.182644][T10828] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 419.182646][T10828] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 419.182648][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182650][T10828] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 419.182654][T10828] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 419.182661][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182663][T10828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 419.182665][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182667][T10828] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 419.182670][T10828] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 419.182672][T10828] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 419.182675][T10828] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 419.182677][T10828] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 419.182681][T10828] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 419.182683][T10828] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 419.182685][T10828] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 419.182692][T10828] ? netlink_ack (./include/linux/skbuff.h:2718) [ 419.182695][T10828] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 419.182704][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182707][T10828] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 419.182711][T10828] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 419.182715][T10828] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 419.182718][T10828] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 419.182723][T10828] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 419.182730][T10828] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 419.182733][T10828] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 419.182736][T10828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 419.182738][T10828] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 419.182743][T10828] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 419.182746][T10828] ____sys_sendmsg (net/socket.c:2713) [ 419.182748][T10828] ? copy_msghdr_from_user (net/socket.c:2650) [ 419.182751][T10828] ? sock_write_iter (net/socket.c:1269) [ 419.182753][T10828] ? move_addr_to_kernel (net/socket.c:258) [ 419.182756][T10828] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 419.182760][T10828] ___sys_sendmsg (net/socket.c:2767) [ 419.182764][T10828] ? copy_msghdr_from_user (net/socket.c:2619) [ 419.182772][T10828] __sys_sendmsg (net/socket.c:2799) [ 419.182775][T10828] ? __sys_sendmsg_sock (net/socket.c:2780) [ 419.182780][T10828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.182782][T10828] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 419.182785][T10828] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 419.182788][T10828] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 419.182790][T10828] RIP: 0033:0x7f269e8f354e [ 419.182794][T10828] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 419.182797][T10828] RSP: 002b:00007ffd87f20820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 419.182802][T10828] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f269e8f354e [ 419.182804][T10828] RDX: 0000000000000000 RSI: 00007ffd87f208d0 RDI: 0000000000000005 [ 419.182806][T10828] RBP: 00007ffd87f20830 R08: 0000000000000000 R09: 0000000000000000 [ 419.182807][T10828] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151ca [ 419.182808][T10828] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd87f20fa0 | [ 426.956014][T10971] softirqs last disabled at (0): 0x0 | [ 426.956015][T10971] Preemption disabled at: | [ 426.956016][T10971] vprintk_emit (kernel/printk/printk.c:2471) | [ 426.956029][T10971] Tainted: [W]=WARN [ 426.956031][T10971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 426.956032][T10971] Call Trace: [ 426.956034][T10971] [ 426.956035][T10971] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 426.956041][T10971] ? vprintk_emit (kernel/printk/printk.c:2471) [ 426.956043][T10971] __might_resched.cold (kernel/sched/core.c:9234) [ 426.956047][T10971] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 426.956050][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956053][T10971] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 426.956056][T10971] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 426.956059][T10971] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 426.956064][T10971] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 426.956067][T10971] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 426.956069][T10971] put_chars (drivers/char/virtio_console.c:1176) [ 426.956071][T10971] ? __send_to_port (drivers/char/virtio_console.c:654) [ 426.956072][T10971] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 426.956074][T10971] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 426.956077][T10971] ? pointer (lib/vsprintf.c:2577) [ 426.956080][T10971] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 426.956085][T10971] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 426.956087][T10971] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 426.956089][T10971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.956092][T10971] console_emit_next_record (kernel/printk/printk.c:3183) [ 426.956095][T10971] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 426.956097][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956098][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956099][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956100][T10971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.956102][T10971] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 426.956104][T10971] console_flush_one_record (kernel/printk/printk.c:3268) [ 426.956107][T10971] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 426.956110][T10971] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 426.956112][T10971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.956113][T10971] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 426.956115][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956116][T10971] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 426.956118][T10971] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 426.956119][T10971] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 426.956121][T10971] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 426.956123][T10971] ? vprintk_emit (kernel/printk/printk.c:2478) [ 426.956125][T10971] vprintk_emit (kernel/printk/printk.c:2479) [ 426.956126][T10971] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 426.956128][T10971] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 426.956130][T10971] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 426.956134][T10971] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 426.956136][T10971] _printk (kernel/printk/printk.c:2504) [ 426.956139][T10971] ? snapshot_read.cold (user.c:?) [ 426.956141][T10971] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 426.956144][T10971] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 426.956147][T10971] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 426.956149][T10971] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 426.956152][T10971] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 426.956155][T10971] ? netdev_notice (net/core/dev.c:13194) [ 426.956157][T10971] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 426.956159][T10971] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 426.956162][T10971] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 426.956163][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956164][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956165][T10971] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 426.956167][T10971] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 426.956169][T10971] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 426.956170][T10971] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 426.956171][T10971] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 426.956173][T10971] ? register_netdev (net/core/dev.c:11618) [ 426.956175][T10971] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 426.956177][T10971] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 426.956180][T10971] ? __kernel_text_address (kernel/extable.c:79) [ 426.956182][T10971] ? write_profile (profile.c:?) [ 426.956186][T10971] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 426.956189][T10971] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 426.956191][T10971] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 426.956193][T10971] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 426.956194][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956195][T10971] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 426.956199][T10971] ? kasan_save_stack (mm/kasan/common.c:58) [ 426.956201][T10971] ? kasan_save_stack (mm/kasan/common.c:57) [ 426.956202][T10971] ? kasan_save_track (mm/kasan/common.c:78) [ 426.956203][T10971] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 426.956204][T10971] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 426.956205][T10971] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 426.956207][T10971] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 426.956208][T10971] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 426.956211][T10971] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 426.956212][T10971] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 426.956214][T10971] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 426.956217][T10971] ? ____sys_sendmsg (net/socket.c:2713) [ 426.956218][T10971] ? ___sys_sendmsg (net/socket.c:2767) [ 426.956220][T10971] ? __sys_sendmsg (net/socket.c:2799) [ 426.956222][T10971] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 426.956224][T10971] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 426.956227][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956228][T10971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.956230][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956231][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956232][T10971] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 426.956233][T10971] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 426.956235][T10971] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 426.956236][T10971] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 426.956237][T10971] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 426.956239][T10971] ? nla_get_range_signed (lib/nlattr.c:270) [ 426.956242][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956243][T10971] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 426.956246][T10971] rtnl_newlink (net/core/rtnetlink.c:4215) [ 426.956248][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956249][T10971] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 426.956250][T10971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.956252][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956253][T10971] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 426.956256][T10971] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 426.956257][T10971] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 426.956258][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956260][T10971] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 426.956263][T10971] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 426.956266][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956267][T10971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.956268][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956269][T10971] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 426.956271][T10971] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 426.956273][T10971] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 426.956274][T10971] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 426.956276][T10971] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 426.956278][T10971] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 426.956280][T10971] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 426.956281][T10971] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 426.956283][T10971] ? netlink_ack (./include/linux/skbuff.h:2718) [ 426.956285][T10971] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 426.956288][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956289][T10971] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 426.956291][T10971] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 426.956294][T10971] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 426.956296][T10971] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 426.956298][T10971] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 426.956300][T10971] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 426.956302][T10971] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 426.956303][T10971] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.956305][T10971] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 426.956309][T10971] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 426.956311][T10971] ____sys_sendmsg (net/socket.c:2713) [ 426.956312][T10971] ? copy_msghdr_from_user (net/socket.c:2650) [ 426.956314][T10971] ? sock_write_iter (net/socket.c:1269) [ 426.956316][T10971] ? move_addr_to_kernel (net/socket.c:258) [ 426.956317][T10971] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 426.956320][T10971] ___sys_sendmsg (net/socket.c:2767) [ 426.956322][T10971] ? copy_msghdr_from_user (net/socket.c:2619) [ 426.956327][T10971] __sys_sendmsg (net/socket.c:2799) [ 426.956329][T10971] ? __sys_sendmsg_sock (net/socket.c:2780) [ 426.956332][T10971] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.956334][T10971] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 426.956336][T10971] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 426.956338][T10971] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 426.956340][T10971] RIP: 0033:0x7f208d1cf54e [ 426.956342][T10971] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 426.956344][T10971] RSP: 002b:00007ffe0082afd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 426.956347][T10971] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f208d1cf54e [ 426.956349][T10971] RDX: 0000000000000000 RSI: 00007ffe0082b080 RDI: 0000000000000005 [ 426.956350][T10971] RBP: 00007ffe0082afe0 R08: 0000000000000000 R09: 0000000000000000 [ 426.956351][T10971] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151d2 [ 426.956352][T10971] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0082b750 | [ 434.923758][T11114] softirqs last disabled at (0): 0x0 | [ 434.923760][T11114] Preemption disabled at: | [ 434.923761][T11114] vprintk_emit (kernel/printk/printk.c:2471) | [ 434.923771][T11114] Tainted: [W]=WARN [ 434.923772][T11114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 434.923774][T11114] Call Trace: [ 434.923776][T11114] [ 434.923777][T11114] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 434.923783][T11114] ? vprintk_emit (kernel/printk/printk.c:2471) [ 434.923784][T11114] __might_resched.cold (kernel/sched/core.c:9234) [ 434.923789][T11114] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 434.923792][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.923795][T11114] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 434.923798][T11114] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 434.923801][T11114] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 434.923806][T11114] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 434.923808][T11114] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 434.923811][T11114] put_chars (drivers/char/virtio_console.c:1176) [ 434.923812][T11114] ? __send_to_port (drivers/char/virtio_console.c:654) [ 434.923814][T11114] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 434.923816][T11114] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 434.923818][T11114] ? pointer (lib/vsprintf.c:2577) [ 434.923822][T11114] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 434.923826][T11114] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 434.923828][T11114] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 434.923830][T11114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.923833][T11114] console_emit_next_record (kernel/printk/printk.c:3183) [ 434.923836][T11114] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 434.923838][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.923839][T11114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.923841][T11114] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 434.923843][T11114] console_flush_one_record (kernel/printk/printk.c:3268) [ 434.923846][T11114] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 434.923849][T11114] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 434.923851][T11114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.923852][T11114] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 434.923854][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.923855][T11114] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 434.923857][T11114] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 434.923858][T11114] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 434.923860][T11114] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 434.923862][T11114] ? vprintk_emit (kernel/printk/printk.c:2478) [ 434.923864][T11114] vprintk_emit (kernel/printk/printk.c:2479) [ 434.923865][T11114] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 434.923866][T11114] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 434.923869][T11114] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 434.923872][T11114] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 434.923875][T11114] _printk (kernel/printk/printk.c:2504) [ 434.923878][T11114] ? snapshot_read.cold (user.c:?) [ 434.923880][T11114] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 434.923882][T11114] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 434.923885][T11114] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 434.923887][T11114] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 434.923891][T11114] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 434.923893][T11114] ? netdev_notice (net/core/dev.c:13194) [ 434.923895][T11114] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 434.923897][T11114] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 434.923899][T11114] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 434.923901][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.923902][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.923903][T11114] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 434.923905][T11114] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 434.923906][T11114] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 434.923908][T11114] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 434.923909][T11114] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 434.923911][T11114] ? register_netdev (net/core/dev.c:11618) [ 434.923912][T11114] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 434.923914][T11114] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 434.923917][T11114] ? __kernel_text_address (kernel/extable.c:79) [ 434.923919][T11114] ? write_profile (profile.c:?) [ 434.923922][T11114] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 434.923926][T11114] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 434.923928][T11114] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 434.923929][T11114] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 434.923931][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.923932][T11114] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 434.923935][T11114] ? kasan_save_stack (mm/kasan/common.c:58) [ 434.923937][T11114] ? kasan_save_stack (mm/kasan/common.c:57) [ 434.923938][T11114] ? kasan_save_track (mm/kasan/common.c:78) [ 434.923939][T11114] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 434.923941][T11114] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 434.923942][T11114] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 434.923943][T11114] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 434.923944][T11114] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 434.923947][T11114] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 434.923949][T11114] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 434.923950][T11114] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 434.923953][T11114] ? ____sys_sendmsg (net/socket.c:2713) [ 434.923954][T11114] ? ___sys_sendmsg (net/socket.c:2767) [ 434.923956][T11114] ? __sys_sendmsg (net/socket.c:2799) [ 434.923958][T11114] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 434.923960][T11114] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 434.923963][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.923964][T11114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.923966][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.923967][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.923968][T11114] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 434.923969][T11114] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 434.923971][T11114] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 434.923972][T11114] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 434.923974][T11114] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 434.923975][T11114] ? nla_get_range_signed (lib/nlattr.c:270) [ 434.923978][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.923980][T11114] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 434.923982][T11114] rtnl_newlink (net/core/rtnetlink.c:4215) [ 434.923984][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.923985][T11114] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 434.923986][T11114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.923988][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.923989][T11114] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 434.923992][T11114] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 434.923993][T11114] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 434.923995][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.923996][T11114] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 434.923999][T11114] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 434.924002][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.924003][T11114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.924004][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.924006][T11114] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 434.924007][T11114] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 434.924009][T11114] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 434.924010][T11114] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 434.924012][T11114] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 434.924014][T11114] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 434.924016][T11114] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 434.924017][T11114] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 434.924019][T11114] ? netlink_ack (./include/linux/skbuff.h:2718) [ 434.924021][T11114] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 434.924024][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.924025][T11114] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 434.924027][T11114] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 434.924030][T11114] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 434.924031][T11114] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 434.924033][T11114] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 434.924036][T11114] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 434.924037][T11114] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 434.924039][T11114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.924041][T11114] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 434.924044][T11114] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 434.924046][T11114] ____sys_sendmsg (net/socket.c:2713) [ 434.924048][T11114] ? copy_msghdr_from_user (net/socket.c:2650) [ 434.924050][T11114] ? sock_write_iter (net/socket.c:1269) [ 434.924051][T11114] ? move_addr_to_kernel (net/socket.c:258) [ 434.924053][T11114] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 434.924055][T11114] ___sys_sendmsg (net/socket.c:2767) [ 434.924057][T11114] ? copy_msghdr_from_user (net/socket.c:2619) [ 434.924062][T11114] __sys_sendmsg (net/socket.c:2799) [ 434.924068][T11114] ? __sys_sendmsg_sock (net/socket.c:2780) [ 434.924072][T11114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.924073][T11114] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 434.924075][T11114] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 434.924078][T11114] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 434.924079][T11114] RIP: 0033:0x7f3d5246f54e [ 434.924081][T11114] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 434.924083][T11114] RSP: 002b:00007ffe6aa718f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 434.924087][T11114] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3d5246f54e [ 434.924089][T11114] RDX: 0000000000000000 RSI: 00007ffe6aa719a0 RDI: 0000000000000005 [ 434.924090][T11114] RBP: 00007ffe6aa71900 R08: 0000000000000000 R09: 0000000000000000 [ 434.924091][T11114] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151da [ 434.924092][T11114] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6aa72070 | [ 442.666798][T11257] softirqs last disabled at (0): 0x0 | [ 442.666800][T11257] Preemption disabled at: | [ 442.666801][T11257] vprintk_emit (kernel/printk/printk.c:2471) | [ 442.666811][T11257] Tainted: [W]=WARN [ 442.666812][T11257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 442.666813][T11257] Call Trace: [ 442.666815][T11257] [ 442.666816][T11257] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 442.666822][T11257] ? vprintk_emit (kernel/printk/printk.c:2471) [ 442.666823][T11257] __might_resched.cold (kernel/sched/core.c:9234) [ 442.666827][T11257] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 442.666830][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.666833][T11257] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 442.666836][T11257] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 442.666839][T11257] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 442.666844][T11257] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 442.666846][T11257] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 442.666849][T11257] put_chars (drivers/char/virtio_console.c:1176) [ 442.666851][T11257] ? __send_to_port (drivers/char/virtio_console.c:654) [ 442.666852][T11257] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 442.666854][T11257] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 442.666856][T11257] ? pointer (lib/vsprintf.c:2577) [ 442.666860][T11257] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 442.666865][T11257] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 442.666866][T11257] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 442.666868][T11257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 442.666871][T11257] console_emit_next_record (kernel/printk/printk.c:3183) [ 442.666874][T11257] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 442.666876][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.666877][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.666878][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.666879][T11257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 442.666881][T11257] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 442.666883][T11257] console_flush_one_record (kernel/printk/printk.c:3268) [ 442.666886][T11257] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 442.666889][T11257] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 442.666891][T11257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 442.666892][T11257] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 442.666894][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.666895][T11257] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 442.666897][T11257] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 442.666898][T11257] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 442.666900][T11257] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 442.666902][T11257] ? vprintk_emit (kernel/printk/printk.c:2478) [ 442.666903][T11257] vprintk_emit (kernel/printk/printk.c:2479) [ 442.666905][T11257] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 442.666906][T11257] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 442.666909][T11257] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 442.666912][T11257] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 442.666915][T11257] _printk (kernel/printk/printk.c:2504) [ 442.666917][T11257] ? snapshot_read.cold (user.c:?) [ 442.666919][T11257] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 442.666922][T11257] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 442.666925][T11257] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 442.666927][T11257] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 442.666930][T11257] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 442.666932][T11257] ? netdev_notice (net/core/dev.c:13194) [ 442.666934][T11257] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 442.666936][T11257] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 442.666939][T11257] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 442.666940][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.666942][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.666943][T11257] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 442.666944][T11257] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 442.666946][T11257] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 442.666947][T11257] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 442.666949][T11257] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 442.666951][T11257] ? register_netdev (net/core/dev.c:11618) [ 442.666952][T11257] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 442.666954][T11257] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 442.666957][T11257] ? __kernel_text_address (kernel/extable.c:79) [ 442.666959][T11257] ? write_profile (profile.c:?) [ 442.666962][T11257] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 442.666966][T11257] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 442.666968][T11257] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 442.666970][T11257] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 442.666971][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.666972][T11257] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 442.666975][T11257] ? kasan_save_stack (mm/kasan/common.c:58) [ 442.666977][T11257] ? kasan_save_stack (mm/kasan/common.c:57) [ 442.666978][T11257] ? kasan_save_track (mm/kasan/common.c:78) [ 442.666980][T11257] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 442.666981][T11257] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 442.666982][T11257] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 442.666983][T11257] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 442.666984][T11257] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 442.666987][T11257] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 442.666989][T11257] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 442.666991][T11257] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 442.666993][T11257] ? ____sys_sendmsg (net/socket.c:2713) [ 442.666995][T11257] ? ___sys_sendmsg (net/socket.c:2767) [ 442.666996][T11257] ? __sys_sendmsg (net/socket.c:2799) [ 442.666998][T11257] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 442.667000][T11257] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 442.667003][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.667004][T11257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 442.667006][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.667007][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.667008][T11257] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 442.667009][T11257] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 442.667011][T11257] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 442.667012][T11257] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 442.667014][T11257] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 442.667015][T11257] ? nla_get_range_signed (lib/nlattr.c:270) [ 442.667018][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.667019][T11257] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 442.667021][T11257] rtnl_newlink (net/core/rtnetlink.c:4215) [ 442.667023][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.667025][T11257] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 442.667026][T11257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 442.667027][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.667029][T11257] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 442.667031][T11257] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 442.667032][T11257] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 442.667034][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.667035][T11257] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 442.667039][T11257] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 442.667041][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.667042][T11257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 442.667044][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.667045][T11257] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 442.667047][T11257] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 442.667049][T11257] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 442.667050][T11257] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 442.667052][T11257] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 442.667054][T11257] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 442.667056][T11257] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 442.667057][T11257] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 442.667059][T11257] ? netlink_ack (./include/linux/skbuff.h:2718) [ 442.667061][T11257] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 442.667064][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.667065][T11257] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 442.667067][T11257] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 442.667070][T11257] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 442.667071][T11257] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 442.667073][T11257] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 442.667076][T11257] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 442.667077][T11257] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 442.667079][T11257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 442.667081][T11257] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 442.667084][T11257] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 442.667086][T11257] ____sys_sendmsg (net/socket.c:2713) [ 442.667088][T11257] ? copy_msghdr_from_user (net/socket.c:2650) [ 442.667089][T11257] ? sock_write_iter (net/socket.c:1269) [ 442.667091][T11257] ? move_addr_to_kernel (net/socket.c:258) [ 442.667092][T11257] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 442.667095][T11257] ___sys_sendmsg (net/socket.c:2767) [ 442.667097][T11257] ? copy_msghdr_from_user (net/socket.c:2619) [ 442.667102][T11257] __sys_sendmsg (net/socket.c:2799) [ 442.667104][T11257] ? __sys_sendmsg_sock (net/socket.c:2780) [ 442.667107][T11257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.667114][T11257] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 442.667116][T11257] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 442.667118][T11257] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 442.667120][T11257] RIP: 0033:0x7fd54205854e [ 442.667122][T11257] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 442.667124][T11257] RSP: 002b:00007ffe2a5b2d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 442.667128][T11257] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd54205854e [ 442.667129][T11257] RDX: 0000000000000000 RSI: 00007ffe2a5b2e30 RDI: 0000000000000005 [ 442.667130][T11257] RBP: 00007ffe2a5b2d90 R08: 0000000000000000 R09: 0000000000000000 [ 442.667131][T11257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151e1 [ 442.667132][T11257] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2a5b3500 | [ 450.598849][T11400] softirqs last disabled at (0): 0x0 | [ 450.598851][T11400] Preemption disabled at: | [ 450.598853][T11400] vprintk_emit (kernel/printk/printk.c:2471) | [ 450.598866][T11400] Tainted: [W]=WARN [ 450.598868][T11400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 450.598870][T11400] Call Trace: [ 450.598873][T11400] [ 450.598874][T11400] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 450.598881][T11400] ? vprintk_emit (kernel/printk/printk.c:2471) [ 450.598882][T11400] __might_resched.cold (kernel/sched/core.c:9234) [ 450.598886][T11400] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 450.598891][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.598893][T11400] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 450.598896][T11400] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 450.598899][T11400] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 450.598905][T11400] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 450.598906][T11400] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 450.598909][T11400] put_chars (drivers/char/virtio_console.c:1176) [ 450.598911][T11400] ? __send_to_port (drivers/char/virtio_console.c:654) [ 450.598912][T11400] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 450.598914][T11400] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 450.598917][T11400] ? pointer (lib/vsprintf.c:2577) [ 450.598920][T11400] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 450.598925][T11400] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 450.598927][T11400] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 450.598929][T11400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.598932][T11400] console_emit_next_record (kernel/printk/printk.c:3183) [ 450.598934][T11400] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 450.598937][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.598938][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.598939][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.598940][T11400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.598942][T11400] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 450.598944][T11400] console_flush_one_record (kernel/printk/printk.c:3268) [ 450.598947][T11400] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 450.598950][T11400] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 450.598952][T11400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.598953][T11400] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 450.598955][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.598956][T11400] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 450.598958][T11400] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 450.598960][T11400] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 450.598961][T11400] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 450.598963][T11400] ? vprintk_emit (kernel/printk/printk.c:2478) [ 450.598965][T11400] vprintk_emit (kernel/printk/printk.c:2479) [ 450.598967][T11400] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 450.598968][T11400] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 450.598971][T11400] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 450.598974][T11400] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 450.598976][T11400] _printk (kernel/printk/printk.c:2504) [ 450.598980][T11400] ? snapshot_read.cold (user.c:?) [ 450.598982][T11400] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 450.598984][T11400] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 450.598988][T11400] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 450.598990][T11400] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 450.598993][T11400] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 450.598995][T11400] ? netdev_notice (net/core/dev.c:13194) [ 450.598997][T11400] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 450.598999][T11400] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 450.599002][T11400] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 450.599003][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599004][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599006][T11400] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 450.599007][T11400] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 450.599009][T11400] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 450.599010][T11400] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 450.599012][T11400] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 450.599014][T11400] ? register_netdev (net/core/dev.c:11618) [ 450.599015][T11400] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 450.599017][T11400] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 450.599020][T11400] ? __kernel_text_address (kernel/extable.c:79) [ 450.599023][T11400] ? write_profile (profile.c:?) [ 450.599026][T11400] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 450.599029][T11400] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 450.599031][T11400] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 450.599033][T11400] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 450.599034][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599035][T11400] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 450.599039][T11400] ? kasan_save_stack (mm/kasan/common.c:58) [ 450.599041][T11400] ? kasan_save_stack (mm/kasan/common.c:57) [ 450.599042][T11400] ? kasan_save_track (mm/kasan/common.c:78) [ 450.599043][T11400] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 450.599045][T11400] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 450.599046][T11400] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 450.599047][T11400] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 450.599048][T11400] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 450.599051][T11400] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 450.599053][T11400] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 450.599055][T11400] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 450.599057][T11400] ? ____sys_sendmsg (net/socket.c:2713) [ 450.599059][T11400] ? ___sys_sendmsg (net/socket.c:2767) [ 450.599060][T11400] ? __sys_sendmsg (net/socket.c:2799) [ 450.599062][T11400] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 450.599064][T11400] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 450.599067][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599068][T11400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.599070][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599071][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599072][T11400] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 450.599073][T11400] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 450.599075][T11400] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 450.599076][T11400] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 450.599078][T11400] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 450.599079][T11400] ? nla_get_range_signed (lib/nlattr.c:270) [ 450.599082][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599083][T11400] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 450.599086][T11400] rtnl_newlink (net/core/rtnetlink.c:4215) [ 450.599088][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599089][T11400] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 450.599090][T11400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.599092][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599093][T11400] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 450.599095][T11400] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 450.599097][T11400] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 450.599098][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599100][T11400] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 450.599103][T11400] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 450.599105][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599106][T11400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.599108][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599109][T11400] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 450.599111][T11400] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 450.599112][T11400] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 450.599114][T11400] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 450.599116][T11400] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 450.599118][T11400] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 450.599120][T11400] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 450.599121][T11400] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 450.599123][T11400] ? netlink_ack (./include/linux/skbuff.h:2718) [ 450.599125][T11400] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 450.599128][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599129][T11400] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 450.599131][T11400] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 450.599133][T11400] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 450.599135][T11400] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 450.599137][T11400] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 450.599140][T11400] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 450.599141][T11400] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 450.599143][T11400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 450.599145][T11400] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 450.599148][T11400] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 450.599150][T11400] ____sys_sendmsg (net/socket.c:2713) [ 450.599158][T11400] ? copy_msghdr_from_user (net/socket.c:2650) [ 450.599159][T11400] ? sock_write_iter (net/socket.c:1269) [ 450.599161][T11400] ? move_addr_to_kernel (net/socket.c:258) [ 450.599163][T11400] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 450.599165][T11400] ___sys_sendmsg (net/socket.c:2767) [ 450.599167][T11400] ? copy_msghdr_from_user (net/socket.c:2619) [ 450.599173][T11400] __sys_sendmsg (net/socket.c:2799) [ 450.599175][T11400] ? __sys_sendmsg_sock (net/socket.c:2780) [ 450.599178][T11400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 450.599179][T11400] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 450.599181][T11400] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 450.599183][T11400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 450.599185][T11400] RIP: 0033:0x7fc74c83d54e [ 450.599187][T11400] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 450.599189][T11400] RSP: 002b:00007fffc02e2aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 450.599193][T11400] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc74c83d54e [ 450.599195][T11400] RDX: 0000000000000000 RSI: 00007fffc02e2b50 RDI: 0000000000000005 [ 450.599196][T11400] RBP: 00007fffc02e2ab0 R08: 0000000000000000 R09: 0000000000000000 [ 450.599197][T11400] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151e9 [ 450.599198][T11400] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc02e3220 | [ 458.369835][T11543] softirqs last disabled at (0): 0x0 | [ 458.369836][T11543] Preemption disabled at: | [ 458.369837][T11543] vprintk_emit (kernel/printk/printk.c:2471) | [ 458.369850][T11543] Tainted: [W]=WARN [ 458.369851][T11543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 458.369854][T11543] Call Trace: [ 458.369856][T11543] [ 458.369857][T11543] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 458.369864][T11543] ? vprintk_emit (kernel/printk/printk.c:2471) [ 458.369867][T11543] __might_resched.cold (kernel/sched/core.c:9234) [ 458.369871][T11543] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 458.369876][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.369879][T11543] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 458.369882][T11543] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 458.369885][T11543] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 458.369890][T11543] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 458.369892][T11543] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 458.369895][T11543] put_chars (drivers/char/virtio_console.c:1176) [ 458.369897][T11543] ? __send_to_port (drivers/char/virtio_console.c:654) [ 458.369898][T11543] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 458.369901][T11543] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 458.369903][T11543] ? pointer (lib/vsprintf.c:2577) [ 458.369907][T11543] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 458.369912][T11543] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 458.369914][T11543] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 458.369916][T11543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.369918][T11543] console_emit_next_record (kernel/printk/printk.c:3183) [ 458.369921][T11543] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 458.369923][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.369925][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.369926][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.369927][T11543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.369929][T11543] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 458.369931][T11543] console_flush_one_record (kernel/printk/printk.c:3268) [ 458.369933][T11543] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 458.369936][T11543] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 458.369938][T11543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.369940][T11543] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 458.369942][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.369943][T11543] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 458.369945][T11543] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 458.369946][T11543] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 458.369948][T11543] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 458.369950][T11543] ? vprintk_emit (kernel/printk/printk.c:2478) [ 458.369952][T11543] vprintk_emit (kernel/printk/printk.c:2479) [ 458.369954][T11543] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 458.369955][T11543] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 458.369958][T11543] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 458.369961][T11543] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 458.369963][T11543] _printk (kernel/printk/printk.c:2504) [ 458.369966][T11543] ? snapshot_read.cold (user.c:?) [ 458.369968][T11543] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 458.369971][T11543] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 458.369974][T11543] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 458.369976][T11543] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 458.369979][T11543] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 458.369981][T11543] ? netdev_notice (net/core/dev.c:13194) [ 458.369984][T11543] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 458.369985][T11543] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 458.369988][T11543] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 458.369990][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.369991][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.369992][T11543] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 458.369994][T11543] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 458.369995][T11543] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 458.369997][T11543] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 458.369998][T11543] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 458.370000][T11543] ? register_netdev (net/core/dev.c:11618) [ 458.370002][T11543] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 458.370004][T11543] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 458.370007][T11543] ? __kernel_text_address (kernel/extable.c:79) [ 458.370010][T11543] ? write_profile (profile.c:?) [ 458.370013][T11543] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 458.370017][T11543] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 458.370018][T11543] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 458.370020][T11543] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 458.370021][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.370022][T11543] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 458.370026][T11543] ? kasan_save_stack (mm/kasan/common.c:58) [ 458.370028][T11543] ? kasan_save_stack (mm/kasan/common.c:57) [ 458.370029][T11543] ? kasan_save_track (mm/kasan/common.c:78) [ 458.370030][T11543] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 458.370031][T11543] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 458.370033][T11543] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 458.370034][T11543] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 458.370035][T11543] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 458.370038][T11543] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 458.370040][T11543] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 458.370042][T11543] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 458.370044][T11543] ? ____sys_sendmsg (net/socket.c:2713) [ 458.370046][T11543] ? ___sys_sendmsg (net/socket.c:2767) [ 458.370047][T11543] ? __sys_sendmsg (net/socket.c:2799) [ 458.370049][T11543] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 458.370052][T11543] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 458.370054][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.370055][T11543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.370057][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.370058][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.370059][T11543] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 458.370061][T11543] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 458.370062][T11543] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 458.370063][T11543] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 458.370065][T11543] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 458.370066][T11543] ? nla_get_range_signed (lib/nlattr.c:270) [ 458.370070][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.370071][T11543] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 458.370073][T11543] rtnl_newlink (net/core/rtnetlink.c:4215) [ 458.370075][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.370077][T11543] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 458.370078][T11543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.370079][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.370081][T11543] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 458.370083][T11543] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 458.370085][T11543] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 458.370086][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.370088][T11543] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 458.370091][T11543] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 458.370093][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.370095][T11543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.370096][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.370098][T11543] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 458.370099][T11543] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 458.370101][T11543] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 458.370102][T11543] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 458.370104][T11543] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 458.370106][T11543] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 458.370108][T11543] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 458.370110][T11543] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 458.370111][T11543] ? netlink_ack (./include/linux/skbuff.h:2718) [ 458.370113][T11543] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 458.370116][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.370118][T11543] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 458.370120][T11543] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 458.370122][T11543] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 458.370124][T11543] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 458.370126][T11543] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 458.370129][T11543] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 458.370130][T11543] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 458.370132][T11543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.370134][T11543] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 458.370137][T11543] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 458.370139][T11543] ____sys_sendmsg (net/socket.c:2713) [ 458.370141][T11543] ? copy_msghdr_from_user (net/socket.c:2650) [ 458.370143][T11543] ? sock_write_iter (net/socket.c:1269) [ 458.370144][T11543] ? move_addr_to_kernel (net/socket.c:258) [ 458.370146][T11543] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 458.370149][T11543] ___sys_sendmsg (net/socket.c:2767) [ 458.370151][T11543] ? copy_msghdr_from_user (net/socket.c:2619) [ 458.370156][T11543] __sys_sendmsg (net/socket.c:2799) [ 458.370158][T11543] ? __sys_sendmsg_sock (net/socket.c:2780) [ 458.370161][T11543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.370163][T11543] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 458.370165][T11543] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 458.370167][T11543] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 458.370169][T11543] RIP: 0033:0x7f835dcfe54e [ 458.370171][T11543] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 458.370173][T11543] RSP: 002b:00007ffffee02b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 458.370177][T11543] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f835dcfe54e [ 458.370178][T11543] RDX: 0000000000000000 RSI: 00007ffffee02bc0 RDI: 0000000000000005 [ 458.370179][T11543] RBP: 00007ffffee02b20 R08: 0000000000000000 R09: 0000000000000000 [ 458.370180][T11543] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151f1 [ 458.370181][T11543] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffee03290 | [ 466.156048][T11686] softirqs last disabled at (0): 0x0 | [ 466.156051][T11686] Preemption disabled at: | [ 466.156052][T11686] vprintk_emit (kernel/printk/printk.c:2471) | [ 466.156066][T11686] Tainted: [W]=WARN [ 466.156068][T11686] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 466.156071][T11686] Call Trace: [ 466.156073][T11686] [ 466.156075][T11686] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 466.156082][T11686] ? vprintk_emit (kernel/printk/printk.c:2471) [ 466.156084][T11686] __might_resched.cold (kernel/sched/core.c:9234) [ 466.156089][T11686] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 466.156095][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156099][T11686] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 466.156103][T11686] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 466.156107][T11686] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 466.156113][T11686] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 466.156117][T11686] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 466.156121][T11686] put_chars (drivers/char/virtio_console.c:1176) [ 466.156123][T11686] ? __send_to_port (drivers/char/virtio_console.c:654) [ 466.156125][T11686] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 466.156129][T11686] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 466.156133][T11686] ? pointer (lib/vsprintf.c:2577) [ 466.156138][T11686] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 466.156144][T11686] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 466.156147][T11686] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 466.156150][T11686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.156154][T11686] console_emit_next_record (kernel/printk/printk.c:3183) [ 466.156158][T11686] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 466.156161][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156163][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156165][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156167][T11686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.156171][T11686] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 466.156173][T11686] console_flush_one_record (kernel/printk/printk.c:3268) [ 466.156177][T11686] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 466.156182][T11686] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 466.156185][T11686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.156188][T11686] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 466.156191][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156193][T11686] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 466.156195][T11686] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 466.156198][T11686] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 466.156200][T11686] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 466.156203][T11686] ? vprintk_emit (kernel/printk/printk.c:2478) [ 466.156206][T11686] vprintk_emit (kernel/printk/printk.c:2479) [ 466.156209][T11686] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 466.156211][T11686] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 466.156215][T11686] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 466.156219][T11686] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 466.156223][T11686] _printk (kernel/printk/printk.c:2504) [ 466.156227][T11686] ? snapshot_read.cold (user.c:?) [ 466.156231][T11686] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 466.156234][T11686] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 466.156245][T11686] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 466.156248][T11686] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 466.156253][T11686] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 466.156256][T11686] ? netdev_notice (net/core/dev.c:13194) [ 466.156260][T11686] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 466.156263][T11686] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 466.156266][T11686] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 466.156269][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156271][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156273][T11686] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 466.156276][T11686] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 466.156278][T11686] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 466.156280][T11686] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 466.156282][T11686] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 466.156286][T11686] ? register_netdev (net/core/dev.c:11618) [ 466.156288][T11686] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 466.156291][T11686] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 466.156295][T11686] ? __kernel_text_address (kernel/extable.c:79) [ 466.156299][T11686] ? write_profile (profile.c:?) [ 466.156303][T11686] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 466.156308][T11686] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 466.156311][T11686] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 466.156314][T11686] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 466.156316][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156318][T11686] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 466.156324][T11686] ? kasan_save_stack (mm/kasan/common.c:58) [ 466.156327][T11686] ? kasan_save_stack (mm/kasan/common.c:57) [ 466.156329][T11686] ? kasan_save_track (mm/kasan/common.c:78) [ 466.156331][T11686] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 466.156333][T11686] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 466.156335][T11686] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 466.156337][T11686] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 466.156339][T11686] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 466.156344][T11686] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 466.156346][T11686] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 466.156349][T11686] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 466.156352][T11686] ? ____sys_sendmsg (net/socket.c:2713) [ 466.156355][T11686] ? ___sys_sendmsg (net/socket.c:2767) [ 466.156357][T11686] ? __sys_sendmsg (net/socket.c:2799) [ 466.156360][T11686] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 466.156364][T11686] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 466.156368][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156370][T11686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.156373][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156375][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156377][T11686] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 466.156380][T11686] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 466.156382][T11686] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 466.156384][T11686] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 466.156387][T11686] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 466.156389][T11686] ? nla_get_range_signed (lib/nlattr.c:270) [ 466.156394][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156396][T11686] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 466.156400][T11686] rtnl_newlink (net/core/rtnetlink.c:4215) [ 466.156404][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156406][T11686] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 466.156408][T11686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.156411][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156413][T11686] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 466.156416][T11686] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 466.156419][T11686] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 466.156421][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156424][T11686] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 466.156428][T11686] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 466.156432][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156434][T11686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.156436][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156439][T11686] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 466.156441][T11686] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 466.156444][T11686] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 466.156447][T11686] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 466.156449][T11686] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 466.156454][T11686] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 466.156456][T11686] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 466.156459][T11686] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 466.156462][T11686] ? netlink_ack (./include/linux/skbuff.h:2718) [ 466.156464][T11686] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 466.156469][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156472][T11686] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 466.156475][T11686] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 466.156479][T11686] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 466.156482][T11686] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 466.156485][T11686] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 466.156489][T11686] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 466.156492][T11686] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 466.156495][T11686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.156497][T11686] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 466.156502][T11686] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 466.156505][T11686] ____sys_sendmsg (net/socket.c:2713) [ 466.156508][T11686] ? copy_msghdr_from_user (net/socket.c:2650) [ 466.156511][T11686] ? sock_write_iter (net/socket.c:1269) [ 466.156513][T11686] ? move_addr_to_kernel (net/socket.c:258) [ 466.156516][T11686] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 466.156521][T11686] ___sys_sendmsg (net/socket.c:2767) [ 466.156524][T11686] ? copy_msghdr_from_user (net/socket.c:2619) [ 466.156533][T11686] __sys_sendmsg (net/socket.c:2799) [ 466.156536][T11686] ? __sys_sendmsg_sock (net/socket.c:2780) [ 466.156541][T11686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.156544][T11686] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 466.156546][T11686] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 466.156549][T11686] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 466.156552][T11686] RIP: 0033:0x7f6a2776654e [ 466.156555][T11686] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 466.156558][T11686] RSP: 002b:00007ffd8bb16fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 466.156563][T11686] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6a2776654e [ 466.156565][T11686] RDX: 0000000000000000 RSI: 00007ffd8bb17060 RDI: 0000000000000005 [ 466.156567][T11686] RBP: 00007ffd8bb16fc0 R08: 0000000000000000 R09: 0000000000000000 [ 466.156569][T11686] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151f9 [ 466.156571][T11686] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8bb17730 | [ 474.034795][T11828] softirqs last disabled at (0): 0x0 | [ 474.034797][T11828] Preemption disabled at: | [ 474.034798][T11828] vprintk_emit (kernel/printk/printk.c:2471) | [ 474.034808][T11828] Tainted: [W]=WARN [ 474.034809][T11828] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 474.034810][T11828] Call Trace: [ 474.034812][T11828] [ 474.034813][T11828] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 474.034819][T11828] ? vprintk_emit (kernel/printk/printk.c:2471) [ 474.034821][T11828] __might_resched.cold (kernel/sched/core.c:9234) [ 474.034825][T11828] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 474.034829][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.034831][T11828] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 474.034834][T11828] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 474.034838][T11828] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 474.034843][T11828] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 474.034845][T11828] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 474.034847][T11828] put_chars (drivers/char/virtio_console.c:1176) [ 474.034849][T11828] ? __send_to_port (drivers/char/virtio_console.c:654) [ 474.034851][T11828] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 474.034853][T11828] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 474.034855][T11828] ? pointer (lib/vsprintf.c:2577) [ 474.034859][T11828] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 474.034864][T11828] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 474.034865][T11828] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 474.034867][T11828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 474.034870][T11828] console_emit_next_record (kernel/printk/printk.c:3183) [ 474.034873][T11828] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 474.034875][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.034876][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.034877][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.034879][T11828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 474.034881][T11828] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 474.034883][T11828] console_flush_one_record (kernel/printk/printk.c:3268) [ 474.034885][T11828] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 474.034888][T11828] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 474.034890][T11828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 474.034892][T11828] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 474.034894][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.034895][T11828] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 474.034896][T11828] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 474.034898][T11828] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 474.034900][T11828] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 474.034902][T11828] ? vprintk_emit (kernel/printk/printk.c:2478) [ 474.034903][T11828] vprintk_emit (kernel/printk/printk.c:2479) [ 474.034905][T11828] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 474.034906][T11828] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 474.034909][T11828] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 474.034912][T11828] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 474.034914][T11828] _printk (kernel/printk/printk.c:2504) [ 474.034917][T11828] ? snapshot_read.cold (user.c:?) [ 474.034919][T11828] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 474.034922][T11828] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 474.034925][T11828] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 474.034927][T11828] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 474.034930][T11828] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 474.034933][T11828] ? netdev_notice (net/core/dev.c:13194) [ 474.034935][T11828] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 474.034937][T11828] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 474.034939][T11828] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 474.034941][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.034942][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.034943][T11828] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 474.034945][T11828] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 474.034946][T11828] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 474.034948][T11828] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 474.034949][T11828] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 474.034951][T11828] ? register_netdev (net/core/dev.c:11618) [ 474.034952][T11828] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 474.034954][T11828] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 474.034957][T11828] ? __kernel_text_address (kernel/extable.c:79) [ 474.034960][T11828] ? write_profile (profile.c:?) [ 474.034963][T11828] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 474.034966][T11828] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 474.034968][T11828] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 474.034970][T11828] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 474.034971][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.034972][T11828] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 474.034976][T11828] ? kasan_save_stack (mm/kasan/common.c:58) [ 474.034978][T11828] ? kasan_save_stack (mm/kasan/common.c:57) [ 474.034979][T11828] ? kasan_save_track (mm/kasan/common.c:78) [ 474.034980][T11828] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 474.034981][T11828] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 474.034982][T11828] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 474.034984][T11828] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 474.034985][T11828] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 474.034988][T11828] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 474.034990][T11828] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 474.034991][T11828] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 474.034994][T11828] ? ____sys_sendmsg (net/socket.c:2713) [ 474.034995][T11828] ? ___sys_sendmsg (net/socket.c:2767) [ 474.034997][T11828] ? __sys_sendmsg (net/socket.c:2799) [ 474.034999][T11828] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 474.035001][T11828] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 474.035004][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.035005][T11828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 474.035006][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.035007][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.035009][T11828] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 474.035010][T11828] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 474.035011][T11828] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 474.035013][T11828] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 474.035014][T11828] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 474.035016][T11828] ? nla_get_range_signed (lib/nlattr.c:270) [ 474.035019][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.035020][T11828] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 474.035023][T11828] rtnl_newlink (net/core/rtnetlink.c:4215) [ 474.035025][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.035026][T11828] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 474.035027][T11828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 474.035029][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.035030][T11828] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 474.035033][T11828] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 474.035034][T11828] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 474.035036][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.035037][T11828] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 474.035040][T11828] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 474.035043][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.035044][T11828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 474.035045][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.035047][T11828] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 474.035048][T11828] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 474.035050][T11828] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 474.035051][T11828] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 474.035053][T11828] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 474.035056][T11828] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 474.035058][T11828] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 474.035059][T11828] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 474.035061][T11828] ? netlink_ack (./include/linux/skbuff.h:2718) [ 474.035063][T11828] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 474.035066][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.035067][T11828] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 474.035069][T11828] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 474.035072][T11828] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 474.035074][T11828] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 474.035076][T11828] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 474.035078][T11828] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 474.035080][T11828] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 474.035082][T11828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 474.035083][T11828] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 474.035087][T11828] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 474.035088][T11828] ____sys_sendmsg (net/socket.c:2713) [ 474.035090][T11828] ? copy_msghdr_from_user (net/socket.c:2650) [ 474.035092][T11828] ? sock_write_iter (net/socket.c:1269) [ 474.035094][T11828] ? move_addr_to_kernel (net/socket.c:258) [ 474.035095][T11828] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 474.035098][T11828] ___sys_sendmsg (net/socket.c:2767) [ 474.035100][T11828] ? copy_msghdr_from_user (net/socket.c:2619) [ 474.035105][T11828] __sys_sendmsg (net/socket.c:2799) [ 474.035107][T11828] ? __sys_sendmsg_sock (net/socket.c:2780) [ 474.035110][T11828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 474.035112][T11828] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 474.035114][T11828] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 474.035116][T11828] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 474.035117][T11828] RIP: 0033:0x7fa1c765c54e [ 474.035119][T11828] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 474.035121][T11828] RSP: 002b:00007ffd9e471ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 474.035125][T11828] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa1c765c54e [ 474.035127][T11828] RDX: 0000000000000000 RSI: 00007ffd9e471d50 RDI: 0000000000000005 [ 474.035128][T11828] RBP: 00007ffd9e471cb0 R08: 0000000000000000 R09: 0000000000000000 [ 474.035129][T11828] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915201 [ 474.035129][T11828] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9e472420 | [ 481.964505][T11970] softirqs last disabled at (0): 0x0 | [ 481.964508][T11970] Preemption disabled at: | [ 481.964509][T11970] vprintk_emit (kernel/printk/printk.c:2471) | [ 481.964523][T11970] Tainted: [W]=WARN [ 481.964524][T11970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 481.964527][T11970] Call Trace: [ 481.964529][T11970] [ 481.964531][T11970] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 481.964537][T11970] ? vprintk_emit (kernel/printk/printk.c:2471) [ 481.964539][T11970] __might_resched.cold (kernel/sched/core.c:9234) [ 481.964544][T11970] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 481.964549][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964553][T11970] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 481.964556][T11970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 481.964560][T11970] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 481.964567][T11970] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 481.964570][T11970] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 481.964573][T11970] put_chars (drivers/char/virtio_console.c:1176) [ 481.964576][T11970] ? __send_to_port (drivers/char/virtio_console.c:654) [ 481.964578][T11970] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 481.964581][T11970] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 481.964585][T11970] ? pointer (lib/vsprintf.c:2577) [ 481.964589][T11970] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 481.964595][T11970] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 481.964598][T11970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 481.964601][T11970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.964604][T11970] console_emit_next_record (kernel/printk/printk.c:3183) [ 481.964608][T11970] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 481.964612][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964614][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964616][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964618][T11970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.964621][T11970] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 481.964624][T11970] console_flush_one_record (kernel/printk/printk.c:3268) [ 481.964628][T11970] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 481.964632][T11970] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 481.964635][T11970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.964638][T11970] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 481.964641][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964643][T11970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 481.964645][T11970] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 481.964648][T11970] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 481.964650][T11970] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 481.964653][T11970] ? vprintk_emit (kernel/printk/printk.c:2478) [ 481.964656][T11970] vprintk_emit (kernel/printk/printk.c:2479) [ 481.964663][T11970] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 481.964665][T11970] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 481.964668][T11970] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 481.964672][T11970] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 481.964676][T11970] _printk (kernel/printk/printk.c:2504) [ 481.964680][T11970] ? snapshot_read.cold (user.c:?) [ 481.964683][T11970] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 481.964687][T11970] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 481.964691][T11970] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 481.964694][T11970] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 481.964698][T11970] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 481.964701][T11970] ? netdev_notice (net/core/dev.c:13194) [ 481.964704][T11970] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 481.964707][T11970] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 481.964710][T11970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 481.964713][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964715][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964717][T11970] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 481.964719][T11970] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 481.964722][T11970] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 481.964724][T11970] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 481.964727][T11970] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 481.964730][T11970] ? register_netdev (net/core/dev.c:11618) [ 481.964732][T11970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 481.964735][T11970] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 481.964739][T11970] ? __kernel_text_address (kernel/extable.c:79) [ 481.964742][T11970] ? write_profile (profile.c:?) [ 481.964746][T11970] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 481.964751][T11970] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 481.964754][T11970] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 481.964756][T11970] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 481.964758][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964760][T11970] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 481.964765][T11970] ? kasan_save_stack (mm/kasan/common.c:58) [ 481.964768][T11970] ? kasan_save_stack (mm/kasan/common.c:57) [ 481.964770][T11970] ? kasan_save_track (mm/kasan/common.c:78) [ 481.964772][T11970] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 481.964774][T11970] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 481.964776][T11970] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 481.964778][T11970] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 481.964780][T11970] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 481.964784][T11970] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 481.964786][T11970] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 481.964789][T11970] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 481.964792][T11970] ? ____sys_sendmsg (net/socket.c:2713) [ 481.964794][T11970] ? ___sys_sendmsg (net/socket.c:2767) [ 481.964797][T11970] ? __sys_sendmsg (net/socket.c:2799) [ 481.964799][T11970] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 481.964802][T11970] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 481.964806][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964808][T11970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.964811][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964813][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964815][T11970] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 481.964817][T11970] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 481.964819][T11970] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 481.964822][T11970] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 481.964825][T11970] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 481.964827][T11970] ? nla_get_range_signed (lib/nlattr.c:270) [ 481.964831][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964834][T11970] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 481.964838][T11970] rtnl_newlink (net/core/rtnetlink.c:4215) [ 481.964841][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964843][T11970] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 481.964845][T11970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.964848][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964851][T11970] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 481.964854][T11970] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 481.964856][T11970] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 481.964859][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964861][T11970] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 481.964865][T11970] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 481.964868][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964870][T11970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.964873][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964875][T11970] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 481.964878][T11970] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 481.964881][T11970] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 481.964883][T11970] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 481.964886][T11970] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 481.964890][T11970] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 481.964892][T11970] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 481.964894][T11970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 481.964897][T11970] ? netlink_ack (./include/linux/skbuff.h:2718) [ 481.964900][T11970] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 481.964905][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964907][T11970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 481.964910][T11970] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 481.964914][T11970] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 481.964917][T11970] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 481.964920][T11970] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 481.964924][T11970] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 481.964926][T11970] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 481.964929][T11970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.964931][T11970] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 481.964935][T11970] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 481.964938][T11970] ____sys_sendmsg (net/socket.c:2713) [ 481.964941][T11970] ? copy_msghdr_from_user (net/socket.c:2650) [ 481.964944][T11970] ? sock_write_iter (net/socket.c:1269) [ 481.964946][T11970] ? move_addr_to_kernel (net/socket.c:258) [ 481.964949][T11970] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 481.964953][T11970] ___sys_sendmsg (net/socket.c:2767) [ 481.964956][T11970] ? copy_msghdr_from_user (net/socket.c:2619) [ 481.964965][T11970] __sys_sendmsg (net/socket.c:2799) [ 481.964968][T11970] ? __sys_sendmsg_sock (net/socket.c:2780) [ 481.964972][T11970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.964975][T11970] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 481.964978][T11970] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 481.964981][T11970] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 481.964983][T11970] RIP: 0033:0x7ff2062d854e [ 481.964986][T11970] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 481.964989][T11970] RSP: 002b:00007ffdc9950b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 481.964994][T11970] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff2062d854e [ 481.964996][T11970] RDX: 0000000000000000 RSI: 00007ffdc9950c00 RDI: 0000000000000005 [ 481.964998][T11970] RBP: 00007ffdc9950b60 R08: 0000000000000000 R09: 0000000000000000 [ 481.964999][T11970] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915209 [ 481.965001][T11970] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc99512d0 | [ 489.840914][T12114] softirqs last disabled at (0): 0x0 | [ 489.840916][T12114] Preemption disabled at: | [ 489.840916][T12114] vprintk_emit (kernel/printk/printk.c:2471) | [ 489.840927][T12114] Tainted: [W]=WARN [ 489.840928][T12114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 489.840929][T12114] Call Trace: [ 489.840931][T12114] [ 489.840932][T12114] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 489.840938][T12114] ? vprintk_emit (kernel/printk/printk.c:2471) [ 489.840939][T12114] __might_resched.cold (kernel/sched/core.c:9234) [ 489.840943][T12114] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 489.840948][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.840951][T12114] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 489.840954][T12114] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 489.840957][T12114] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 489.840962][T12114] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 489.840964][T12114] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 489.840967][T12114] put_chars (drivers/char/virtio_console.c:1176) [ 489.840968][T12114] ? __send_to_port (drivers/char/virtio_console.c:654) [ 489.840970][T12114] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 489.840972][T12114] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 489.840975][T12114] ? pointer (lib/vsprintf.c:2577) [ 489.840978][T12114] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 489.840983][T12114] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 489.840985][T12114] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 489.840987][T12114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.840989][T12114] console_emit_next_record (kernel/printk/printk.c:3183) [ 489.840992][T12114] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 489.840994][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.840995][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.840996][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.840998][T12114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.841000][T12114] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 489.841002][T12114] console_flush_one_record (kernel/printk/printk.c:3268) [ 489.841004][T12114] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 489.841007][T12114] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 489.841009][T12114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.841011][T12114] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 489.841012][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841014][T12114] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 489.841015][T12114] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 489.841017][T12114] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 489.841018][T12114] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 489.841020][T12114] ? vprintk_emit (kernel/printk/printk.c:2478) [ 489.841022][T12114] vprintk_emit (kernel/printk/printk.c:2479) [ 489.841024][T12114] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 489.841025][T12114] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 489.841028][T12114] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 489.841031][T12114] _printk (kernel/printk/printk.c:2504) [ 489.841034][T12114] ? snapshot_read.cold (user.c:?) [ 489.841036][T12114] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 489.841038][T12114] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 489.841042][T12114] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 489.841044][T12114] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 489.841048][T12114] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 489.841052][T12114] ? netdev_notice (net/core/dev.c:13194) [ 489.841055][T12114] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 489.841058][T12114] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 489.841061][T12114] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 489.841062][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841064][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841065][T12114] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 489.841068][T12114] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 489.841070][T12114] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 489.841071][T12114] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 489.841073][T12114] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 489.841075][T12114] ? register_netdev (net/core/dev.c:11618) [ 489.841076][T12114] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 489.841078][T12114] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 489.841081][T12114] ? __kernel_text_address (kernel/extable.c:79) [ 489.841084][T12114] ? write_profile (profile.c:?) [ 489.841087][T12114] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 489.841091][T12114] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 489.841093][T12114] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 489.841094][T12114] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 489.841096][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841097][T12114] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 489.841100][T12114] ? kasan_save_stack (mm/kasan/common.c:58) [ 489.841102][T12114] ? kasan_save_stack (mm/kasan/common.c:57) [ 489.841103][T12114] ? kasan_save_track (mm/kasan/common.c:78) [ 489.841104][T12114] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 489.841106][T12114] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 489.841107][T12114] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 489.841108][T12114] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 489.841110][T12114] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 489.841113][T12114] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 489.841114][T12114] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 489.841116][T12114] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 489.841119][T12114] ? ____sys_sendmsg (net/socket.c:2713) [ 489.841120][T12114] ? ___sys_sendmsg (net/socket.c:2767) [ 489.841122][T12114] ? __sys_sendmsg (net/socket.c:2799) [ 489.841123][T12114] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 489.841126][T12114] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 489.841129][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841130][T12114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.841131][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841132][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841134][T12114] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 489.841135][T12114] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 489.841137][T12114] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 489.841138][T12114] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 489.841140][T12114] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 489.841141][T12114] ? nla_get_range_signed (lib/nlattr.c:270) [ 489.841144][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841145][T12114] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 489.841147][T12114] rtnl_newlink (net/core/rtnetlink.c:4215) [ 489.841150][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841151][T12114] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 489.841152][T12114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.841154][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841155][T12114] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 489.841157][T12114] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 489.841159][T12114] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 489.841160][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841162][T12114] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 489.841165][T12114] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 489.841168][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841169][T12114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.841170][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841172][T12114] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 489.841173][T12114] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 489.841175][T12114] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 489.841176][T12114] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 489.841178][T12114] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 489.841180][T12114] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 489.841182][T12114] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 489.841184][T12114] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 489.841185][T12114] ? netlink_ack (./include/linux/skbuff.h:2718) [ 489.841187][T12114] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 489.841190][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841192][T12114] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 489.841194][T12114] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 489.841196][T12114] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 489.841198][T12114] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 489.841200][T12114] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 489.841202][T12114] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 489.841204][T12114] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 489.841206][T12114] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.841207][T12114] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 489.841211][T12114] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 489.841213][T12114] ____sys_sendmsg (net/socket.c:2713) [ 489.841214][T12114] ? copy_msghdr_from_user (net/socket.c:2650) [ 489.841216][T12114] ? sock_write_iter (net/socket.c:1269) [ 489.841218][T12114] ? move_addr_to_kernel (net/socket.c:258) [ 489.841219][T12114] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 489.841222][T12114] ___sys_sendmsg (net/socket.c:2767) [ 489.841224][T12114] ? copy_msghdr_from_user (net/socket.c:2619) [ 489.841230][T12114] __sys_sendmsg (net/socket.c:2799) [ 489.841232][T12114] ? __sys_sendmsg_sock (net/socket.c:2780) [ 489.841235][T12114] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.841236][T12114] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 489.841238][T12114] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 489.841240][T12114] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 489.841242][T12114] RIP: 0033:0x7f54bb99b54e [ 489.841244][T12114] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 489.841246][T12114] RSP: 002b:00007ffc5f3f9b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 489.841250][T12114] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f54bb99b54e [ 489.841251][T12114] RDX: 0000000000000000 RSI: 00007ffc5f3f9bb0 RDI: 0000000000000005 [ 489.841252][T12114] RBP: 00007ffc5f3f9b10 R08: 0000000000000000 R09: 0000000000000000 [ 489.841253][T12114] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915211 [ 489.841254][T12114] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5f3fa280 | [ 497.629990][T12257] softirqs last disabled at (0): 0x0 | [ 497.629992][T12257] Preemption disabled at: | [ 497.629993][T12257] vprintk_emit (kernel/printk/printk.c:2471) | [ 497.630004][T12257] Tainted: [W]=WARN [ 497.630005][T12257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 497.630007][T12257] Call Trace: [ 497.630009][T12257] [ 497.630010][T12257] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 497.630016][T12257] ? vprintk_emit (kernel/printk/printk.c:2471) [ 497.630018][T12257] __might_resched.cold (kernel/sched/core.c:9234) [ 497.630022][T12257] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 497.630026][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630029][T12257] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 497.630032][T12257] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 497.630035][T12257] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 497.630040][T12257] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 497.630042][T12257] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 497.630045][T12257] put_chars (drivers/char/virtio_console.c:1176) [ 497.630046][T12257] ? __send_to_port (drivers/char/virtio_console.c:654) [ 497.630048][T12257] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 497.630050][T12257] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 497.630052][T12257] ? pointer (lib/vsprintf.c:2577) [ 497.630056][T12257] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 497.630061][T12257] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 497.630063][T12257] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 497.630065][T12257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 497.630068][T12257] console_emit_next_record (kernel/printk/printk.c:3183) [ 497.630071][T12257] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 497.630073][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630074][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630075][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630076][T12257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 497.630079][T12257] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 497.630081][T12257] console_flush_one_record (kernel/printk/printk.c:3268) [ 497.630083][T12257] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 497.630086][T12257] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 497.630088][T12257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 497.630090][T12257] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 497.630092][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630093][T12257] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 497.630094][T12257] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 497.630096][T12257] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 497.630098][T12257] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 497.630100][T12257] ? vprintk_emit (kernel/printk/printk.c:2478) [ 497.630102][T12257] vprintk_emit (kernel/printk/printk.c:2479) [ 497.630103][T12257] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 497.630105][T12257] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 497.630107][T12257] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 497.630111][T12257] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 497.630114][T12257] _printk (kernel/printk/printk.c:2504) [ 497.630117][T12257] ? snapshot_read.cold (user.c:?) [ 497.630119][T12257] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 497.630122][T12257] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 497.630125][T12257] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 497.630127][T12257] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 497.630130][T12257] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 497.630133][T12257] ? netdev_notice (net/core/dev.c:13194) [ 497.630135][T12257] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 497.630137][T12257] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 497.630140][T12257] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 497.630141][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630143][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630144][T12257] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 497.630145][T12257] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 497.630147][T12257] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 497.630149][T12257] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 497.630150][T12257] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 497.630152][T12257] ? register_netdev (net/core/dev.c:11618) [ 497.630154][T12257] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 497.630156][T12257] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 497.630159][T12257] ? __kernel_text_address (kernel/extable.c:79) [ 497.630162][T12257] ? write_profile (profile.c:?) [ 497.630165][T12257] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 497.630169][T12257] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 497.630172][T12257] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 497.630173][T12257] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 497.630175][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630176][T12257] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 497.630179][T12257] ? kasan_save_stack (mm/kasan/common.c:58) [ 497.630181][T12257] ? kasan_save_stack (mm/kasan/common.c:57) [ 497.630182][T12257] ? kasan_save_track (mm/kasan/common.c:78) [ 497.630184][T12257] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 497.630185][T12257] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 497.630186][T12257] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 497.630188][T12257] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 497.630189][T12257] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 497.630192][T12257] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 497.630194][T12257] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 497.630196][T12257] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 497.630198][T12257] ? ____sys_sendmsg (net/socket.c:2713) [ 497.630200][T12257] ? ___sys_sendmsg (net/socket.c:2767) [ 497.630201][T12257] ? __sys_sendmsg (net/socket.c:2799) [ 497.630203][T12257] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 497.630206][T12257] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 497.630208][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630210][T12257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 497.630211][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630212][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630213][T12257] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 497.630215][T12257] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 497.630216][T12257] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 497.630218][T12257] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 497.630220][T12257] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 497.630221][T12257] ? nla_get_range_signed (lib/nlattr.c:270) [ 497.630224][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630226][T12257] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 497.630228][T12257] rtnl_newlink (net/core/rtnetlink.c:4215) [ 497.630230][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630232][T12257] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 497.630233][T12257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 497.630235][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630236][T12257] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 497.630238][T12257] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 497.630240][T12257] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 497.630241][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630243][T12257] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 497.630246][T12257] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 497.630248][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630249][T12257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 497.630251][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630252][T12257] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 497.630254][T12257] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 497.630256][T12257] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 497.630257][T12257] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 497.630259][T12257] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 497.630261][T12257] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 497.630263][T12257] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 497.630265][T12257] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 497.630267][T12257] ? netlink_ack (./include/linux/skbuff.h:2718) [ 497.630268][T12257] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 497.630272][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630273][T12257] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 497.630275][T12257] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 497.630278][T12257] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 497.630280][T12257] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 497.630282][T12257] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 497.630284][T12257] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 497.630286][T12257] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 497.630288][T12257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 497.630289][T12257] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 497.630293][T12257] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 497.630295][T12257] ____sys_sendmsg (net/socket.c:2713) [ 497.630297][T12257] ? copy_msghdr_from_user (net/socket.c:2650) [ 497.630299][T12257] ? sock_write_iter (net/socket.c:1269) [ 497.630300][T12257] ? move_addr_to_kernel (net/socket.c:258) [ 497.630302][T12257] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 497.630305][T12257] ___sys_sendmsg (net/socket.c:2767) [ 497.630307][T12257] ? copy_msghdr_from_user (net/socket.c:2619) [ 497.630312][T12257] __sys_sendmsg (net/socket.c:2799) [ 497.630314][T12257] ? __sys_sendmsg_sock (net/socket.c:2780) [ 497.630317][T12257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.630319][T12257] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 497.630321][T12257] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 497.630323][T12257] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 497.630324][T12257] RIP: 0033:0x7fb06a73454e [ 497.630327][T12257] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 497.630329][T12257] RSP: 002b:00007ffd4f4837c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 497.630333][T12257] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb06a73454e [ 497.630334][T12257] RDX: 0000000000000000 RSI: 00007ffd4f483870 RDI: 0000000000000005 [ 497.630335][T12257] RBP: 00007ffd4f4837d0 R08: 0000000000000000 R09: 0000000000000000 [ 497.630336][T12257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915218 [ 497.630337][T12257] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4f483f40 | [ 505.430855][T12400] softirqs last disabled at (0): 0x0 | [ 505.430857][T12400] Preemption disabled at: | [ 505.430858][T12400] vprintk_emit (kernel/printk/printk.c:2471) | [ 505.430868][T12400] Tainted: [W]=WARN [ 505.430869][T12400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 505.430871][T12400] Call Trace: [ 505.430873][T12400] [ 505.430874][T12400] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 505.430879][T12400] ? vprintk_emit (kernel/printk/printk.c:2471) [ 505.430881][T12400] __might_resched.cold (kernel/sched/core.c:9234) [ 505.430885][T12400] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 505.430888][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.430891][T12400] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 505.430894][T12400] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 505.430897][T12400] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 505.430903][T12400] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 505.430905][T12400] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 505.430907][T12400] put_chars (drivers/char/virtio_console.c:1176) [ 505.430909][T12400] ? __send_to_port (drivers/char/virtio_console.c:654) [ 505.430910][T12400] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 505.430913][T12400] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 505.430915][T12400] ? pointer (lib/vsprintf.c:2577) [ 505.430918][T12400] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 505.430923][T12400] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 505.430925][T12400] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 505.430927][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 505.430930][T12400] console_emit_next_record (kernel/printk/printk.c:3183) [ 505.430933][T12400] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 505.430935][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.430936][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.430937][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.430938][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 505.430941][T12400] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 505.430943][T12400] console_flush_one_record (kernel/printk/printk.c:3268) [ 505.430945][T12400] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 505.430948][T12400] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 505.430950][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 505.430952][T12400] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 505.430954][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.430955][T12400] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 505.430957][T12400] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 505.430958][T12400] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 505.430960][T12400] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 505.430962][T12400] ? vprintk_emit (kernel/printk/printk.c:2478) [ 505.430963][T12400] vprintk_emit (kernel/printk/printk.c:2479) [ 505.430965][T12400] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 505.430967][T12400] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 505.430969][T12400] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 505.430972][T12400] _printk (kernel/printk/printk.c:2504) [ 505.430975][T12400] ? snapshot_read.cold (user.c:?) [ 505.430977][T12400] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 505.430979][T12400] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 505.430983][T12400] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 505.430985][T12400] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 505.430988][T12400] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 505.430990][T12400] ? netdev_notice (net/core/dev.c:13194) [ 505.430992][T12400] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 505.430994][T12400] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 505.430997][T12400] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 505.430998][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431000][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431001][T12400] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 505.431004][T12400] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 505.431006][T12400] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 505.431007][T12400] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 505.431009][T12400] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 505.431011][T12400] ? register_netdev (net/core/dev.c:11618) [ 505.431012][T12400] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 505.431014][T12400] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 505.431017][T12400] ? __kernel_text_address (kernel/extable.c:79) [ 505.431020][T12400] ? write_profile (profile.c:?) [ 505.431023][T12400] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 505.431027][T12400] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 505.431029][T12400] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 505.431031][T12400] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 505.431032][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431033][T12400] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 505.431037][T12400] ? kasan_save_stack (mm/kasan/common.c:58) [ 505.431038][T12400] ? kasan_save_stack (mm/kasan/common.c:57) [ 505.431039][T12400] ? kasan_save_track (mm/kasan/common.c:78) [ 505.431041][T12400] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 505.431042][T12400] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 505.431043][T12400] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 505.431044][T12400] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 505.431046][T12400] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 505.431049][T12400] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 505.431050][T12400] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 505.431052][T12400] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 505.431055][T12400] ? ____sys_sendmsg (net/socket.c:2713) [ 505.431056][T12400] ? ___sys_sendmsg (net/socket.c:2767) [ 505.431058][T12400] ? __sys_sendmsg (net/socket.c:2799) [ 505.431060][T12400] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 505.431062][T12400] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 505.431065][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431066][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 505.431068][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431069][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431070][T12400] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 505.431072][T12400] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 505.431073][T12400] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 505.431074][T12400] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 505.431076][T12400] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 505.431077][T12400] ? nla_get_range_signed (lib/nlattr.c:270) [ 505.431080][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431082][T12400] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 505.431084][T12400] rtnl_newlink (net/core/rtnetlink.c:4215) [ 505.431086][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431088][T12400] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 505.431089][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 505.431090][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431092][T12400] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 505.431094][T12400] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 505.431096][T12400] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 505.431097][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431098][T12400] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 505.431102][T12400] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 505.431104][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431106][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 505.431107][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431109][T12400] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 505.431110][T12400] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 505.431112][T12400] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 505.431113][T12400] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 505.431115][T12400] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 505.431118][T12400] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 505.431119][T12400] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 505.431121][T12400] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 505.431123][T12400] ? netlink_ack (./include/linux/skbuff.h:2718) [ 505.431124][T12400] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 505.431128][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431129][T12400] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 505.431131][T12400] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 505.431134][T12400] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 505.431136][T12400] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 505.431138][T12400] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 505.431140][T12400] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 505.431142][T12400] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 505.431144][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 505.431145][T12400] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 505.431149][T12400] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 505.431151][T12400] ____sys_sendmsg (net/socket.c:2713) [ 505.431153][T12400] ? copy_msghdr_from_user (net/socket.c:2650) [ 505.431154][T12400] ? sock_write_iter (net/socket.c:1269) [ 505.431156][T12400] ? move_addr_to_kernel (net/socket.c:258) [ 505.431158][T12400] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 505.431160][T12400] ___sys_sendmsg (net/socket.c:2767) [ 505.431162][T12400] ? copy_msghdr_from_user (net/socket.c:2619) [ 505.431168][T12400] __sys_sendmsg (net/socket.c:2799) [ 505.431170][T12400] ? __sys_sendmsg_sock (net/socket.c:2780) [ 505.431173][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 505.431174][T12400] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 505.431176][T12400] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 505.431178][T12400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 505.431180][T12400] RIP: 0033:0x7f90bd3ec54e [ 505.431182][T12400] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 505.431184][T12400] RSP: 002b:00007ffcafd777f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 505.431188][T12400] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f90bd3ec54e [ 505.431190][T12400] RDX: 0000000000000000 RSI: 00007ffcafd778a0 RDI: 0000000000000005 [ 505.431191][T12400] RBP: 00007ffcafd77800 R08: 0000000000000000 R09: 0000000000000000 [ 505.431192][T12400] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915220 [ 505.431193][T12400] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcafd77f70 | [ 513.123643][T12543] softirqs last disabled at (0): 0x0 | [ 513.123645][T12543] Preemption disabled at: | [ 513.123646][T12543] vprintk_emit (kernel/printk/printk.c:2471) | [ 513.123657][T12543] Tainted: [W]=WARN [ 513.123661][T12543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 513.123663][T12543] Call Trace: [ 513.123664][T12543] [ 513.123666][T12543] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 513.123671][T12543] ? vprintk_emit (kernel/printk/printk.c:2471) [ 513.123673][T12543] __might_resched.cold (kernel/sched/core.c:9234) [ 513.123677][T12543] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 513.123680][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123683][T12543] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 513.123686][T12543] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 513.123690][T12543] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 513.123695][T12543] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 513.123697][T12543] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 513.123700][T12543] put_chars (drivers/char/virtio_console.c:1176) [ 513.123701][T12543] ? __send_to_port (drivers/char/virtio_console.c:654) [ 513.123703][T12543] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 513.123705][T12543] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 513.123707][T12543] ? pointer (lib/vsprintf.c:2577) [ 513.123711][T12543] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 513.123716][T12543] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 513.123718][T12543] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 513.123720][T12543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.123723][T12543] console_emit_next_record (kernel/printk/printk.c:3183) [ 513.123725][T12543] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 513.123728][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123729][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123730][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123731][T12543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.123733][T12543] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 513.123735][T12543] console_flush_one_record (kernel/printk/printk.c:3268) [ 513.123737][T12543] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 513.123740][T12543] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 513.123742][T12543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.123744][T12543] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 513.123746][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123747][T12543] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 513.123749][T12543] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 513.123750][T12543] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 513.123752][T12543] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 513.123754][T12543] ? vprintk_emit (kernel/printk/printk.c:2478) [ 513.123756][T12543] vprintk_emit (kernel/printk/printk.c:2479) [ 513.123757][T12543] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 513.123759][T12543] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 513.123761][T12543] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 513.123764][T12543] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 513.123767][T12543] _printk (kernel/printk/printk.c:2504) [ 513.123770][T12543] ? snapshot_read.cold (user.c:?) [ 513.123772][T12543] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 513.123775][T12543] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 513.123778][T12543] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 513.123780][T12543] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 513.123783][T12543] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 513.123786][T12543] ? netdev_notice (net/core/dev.c:13194) [ 513.123788][T12543] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 513.123790][T12543] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 513.123792][T12543] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 513.123794][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123795][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123796][T12543] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 513.123798][T12543] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 513.123799][T12543] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 513.123801][T12543] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 513.123802][T12543] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 513.123804][T12543] ? register_netdev (net/core/dev.c:11618) [ 513.123806][T12543] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 513.123808][T12543] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 513.123811][T12543] ? __kernel_text_address (kernel/extable.c:79) [ 513.123813][T12543] ? write_profile (profile.c:?) [ 513.123816][T12543] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 513.123820][T12543] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 513.123822][T12543] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 513.123824][T12543] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 513.123825][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123826][T12543] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 513.123830][T12543] ? kasan_save_stack (mm/kasan/common.c:58) [ 513.123832][T12543] ? kasan_save_stack (mm/kasan/common.c:57) [ 513.123833][T12543] ? kasan_save_track (mm/kasan/common.c:78) [ 513.123834][T12543] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 513.123835][T12543] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 513.123837][T12543] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 513.123838][T12543] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 513.123839][T12543] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 513.123842][T12543] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 513.123844][T12543] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 513.123846][T12543] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 513.123848][T12543] ? ____sys_sendmsg (net/socket.c:2713) [ 513.123850][T12543] ? ___sys_sendmsg (net/socket.c:2767) [ 513.123852][T12543] ? __sys_sendmsg (net/socket.c:2799) [ 513.123853][T12543] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 513.123856][T12543] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 513.123858][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123860][T12543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.123861][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123862][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123863][T12543] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 513.123865][T12543] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 513.123866][T12543] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 513.123867][T12543] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 513.123869][T12543] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 513.123870][T12543] ? nla_get_range_signed (lib/nlattr.c:270) [ 513.123874][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123875][T12543] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 513.123877][T12543] rtnl_newlink (net/core/rtnetlink.c:4215) [ 513.123879][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123881][T12543] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 513.123882][T12543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.123883][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123885][T12543] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 513.123887][T12543] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 513.123889][T12543] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 513.123890][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123891][T12543] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 513.123895][T12543] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 513.123897][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123898][T12543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.123900][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123901][T12543] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 513.123903][T12543] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 513.123904][T12543] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 513.123906][T12543] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 513.123908][T12543] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 513.123910][T12543] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 513.123912][T12543] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 513.123913][T12543] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 513.123915][T12543] ? netlink_ack (./include/linux/skbuff.h:2718) [ 513.123917][T12543] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 513.123920][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123921][T12543] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 513.123923][T12543] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 513.123926][T12543] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 513.123928][T12543] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 513.123930][T12543] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 513.123932][T12543] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 513.123934][T12543] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 513.123936][T12543] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 513.123937][T12543] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 513.123941][T12543] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 513.123943][T12543] ____sys_sendmsg (net/socket.c:2713) [ 513.123944][T12543] ? copy_msghdr_from_user (net/socket.c:2650) [ 513.123946][T12543] ? sock_write_iter (net/socket.c:1269) [ 513.123948][T12543] ? move_addr_to_kernel (net/socket.c:258) [ 513.123950][T12543] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 513.123952][T12543] ___sys_sendmsg (net/socket.c:2767) [ 513.123954][T12543] ? copy_msghdr_from_user (net/socket.c:2619) [ 513.123960][T12543] __sys_sendmsg (net/socket.c:2799) [ 513.123962][T12543] ? __sys_sendmsg_sock (net/socket.c:2780) [ 513.123965][T12543] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 513.123966][T12543] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 513.123968][T12543] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 513.123970][T12543] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 513.123972][T12543] RIP: 0033:0x7fe229fde54e [ 513.123974][T12543] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 513.123976][T12543] RSP: 002b:00007ffdc38745b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 513.123980][T12543] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe229fde54e [ 513.123982][T12543] RDX: 0000000000000000 RSI: 00007ffdc3874660 RDI: 0000000000000005 [ 513.123983][T12543] RBP: 00007ffdc38745c0 R08: 0000000000000000 R09: 0000000000000000 [ 513.123984][T12543] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915228 [ 513.123985][T12543] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc3874d30 | [ 520.950829][T12686] softirqs last disabled at (0): 0x0 | [ 520.950831][T12686] Preemption disabled at: | [ 520.950832][T12686] vprintk_emit (kernel/printk/printk.c:2471) | [ 520.950842][T12686] Tainted: [W]=WARN [ 520.950843][T12686] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 520.950845][T12686] Call Trace: [ 520.950847][T12686] [ 520.950848][T12686] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 520.950853][T12686] ? vprintk_emit (kernel/printk/printk.c:2471) [ 520.950855][T12686] __might_resched.cold (kernel/sched/core.c:9234) [ 520.950859][T12686] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 520.950862][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.950865][T12686] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 520.950868][T12686] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 520.950871][T12686] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 520.950876][T12686] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 520.950878][T12686] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 520.950881][T12686] put_chars (drivers/char/virtio_console.c:1176) [ 520.950882][T12686] ? __send_to_port (drivers/char/virtio_console.c:654) [ 520.950884][T12686] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 520.950886][T12686] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 520.950888][T12686] ? pointer (lib/vsprintf.c:2577) [ 520.950891][T12686] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 520.950896][T12686] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 520.950898][T12686] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 520.950900][T12686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.950903][T12686] console_emit_next_record (kernel/printk/printk.c:3183) [ 520.950905][T12686] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 520.950908][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.950909][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.950910][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.950911][T12686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.950913][T12686] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 520.950915][T12686] console_flush_one_record (kernel/printk/printk.c:3268) [ 520.950917][T12686] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 520.950920][T12686] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 520.950922][T12686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.950924][T12686] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 520.950926][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.950927][T12686] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 520.950928][T12686] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 520.950930][T12686] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 520.950931][T12686] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 520.950933][T12686] ? vprintk_emit (kernel/printk/printk.c:2478) [ 520.950935][T12686] vprintk_emit (kernel/printk/printk.c:2479) [ 520.950937][T12686] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 520.950938][T12686] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 520.950940][T12686] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 520.950943][T12686] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 520.950946][T12686] _printk (kernel/printk/printk.c:2504) [ 520.950949][T12686] ? snapshot_read.cold (user.c:?) [ 520.950951][T12686] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 520.950954][T12686] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 520.950957][T12686] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 520.950959][T12686] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 520.950962][T12686] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 520.950965][T12686] ? netdev_notice (net/core/dev.c:13194) [ 520.950967][T12686] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 520.950968][T12686] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 520.950971][T12686] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 520.950973][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.950974][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.950975][T12686] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 520.950976][T12686] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 520.950978][T12686] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 520.950979][T12686] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 520.950981][T12686] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 520.950982][T12686] ? register_netdev (net/core/dev.c:11618) [ 520.950984][T12686] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 520.950986][T12686] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 520.950989][T12686] ? __kernel_text_address (kernel/extable.c:79) [ 520.950991][T12686] ? write_profile (profile.c:?) [ 520.950994][T12686] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 520.950998][T12686] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 520.951000][T12686] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 520.951002][T12686] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 520.951003][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.951004][T12686] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 520.951008][T12686] ? kasan_save_stack (mm/kasan/common.c:58) [ 520.951009][T12686] ? kasan_save_stack (mm/kasan/common.c:57) [ 520.951010][T12686] ? kasan_save_track (mm/kasan/common.c:78) [ 520.951012][T12686] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 520.951013][T12686] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 520.951014][T12686] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 520.951015][T12686] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 520.951016][T12686] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 520.951020][T12686] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 520.951021][T12686] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 520.951023][T12686] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 520.951025][T12686] ? ____sys_sendmsg (net/socket.c:2713) [ 520.951027][T12686] ? ___sys_sendmsg (net/socket.c:2767) [ 520.951028][T12686] ? __sys_sendmsg (net/socket.c:2799) [ 520.951030][T12686] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 520.951032][T12686] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 520.951035][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.951036][T12686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.951038][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.951039][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.951040][T12686] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 520.951042][T12686] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 520.951043][T12686] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 520.951044][T12686] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 520.951046][T12686] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 520.951047][T12686] ? nla_get_range_signed (lib/nlattr.c:270) [ 520.951050][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.951052][T12686] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 520.951054][T12686] rtnl_newlink (net/core/rtnetlink.c:4215) [ 520.951056][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.951057][T12686] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 520.951058][T12686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.951060][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.951061][T12686] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 520.951064][T12686] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 520.951065][T12686] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 520.951067][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.951068][T12686] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 520.951071][T12686] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 520.951074][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.951075][T12686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.951076][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.951078][T12686] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 520.951079][T12686] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 520.951081][T12686] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 520.951082][T12686] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 520.951084][T12686] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 520.951086][T12686] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 520.951088][T12686] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 520.951090][T12686] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 520.951091][T12686] ? netlink_ack (./include/linux/skbuff.h:2718) [ 520.951093][T12686] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 520.951096][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.951097][T12686] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 520.951100][T12686] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 520.951102][T12686] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 520.951104][T12686] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 520.951106][T12686] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 520.951108][T12686] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 520.951110][T12686] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 520.951111][T12686] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.951113][T12686] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 520.951116][T12686] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 520.951119][T12686] ____sys_sendmsg (net/socket.c:2713) [ 520.951120][T12686] ? copy_msghdr_from_user (net/socket.c:2650) [ 520.951122][T12686] ? sock_write_iter (net/socket.c:1269) [ 520.951124][T12686] ? move_addr_to_kernel (net/socket.c:258) [ 520.951125][T12686] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 520.951128][T12686] ___sys_sendmsg (net/socket.c:2767) [ 520.951130][T12686] ? copy_msghdr_from_user (net/socket.c:2619) [ 520.951135][T12686] __sys_sendmsg (net/socket.c:2799) [ 520.951137][T12686] ? __sys_sendmsg_sock (net/socket.c:2780) [ 520.951140][T12686] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.951141][T12686] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 520.951143][T12686] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 520.951145][T12686] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 520.951147][T12686] RIP: 0033:0x7f279174d54e [ 520.951149][T12686] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 520.951151][T12686] RSP: 002b:00007ffce24dca90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 520.951154][T12686] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f279174d54e [ 520.951156][T12686] RDX: 0000000000000000 RSI: 00007ffce24dcb40 RDI: 0000000000000005 [ 520.951157][T12686] RBP: 00007ffce24dcaa0 R08: 0000000000000000 R09: 0000000000000000 [ 520.951158][T12686] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915230 [ 520.951159][T12686] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce24dd210 | [ 528.885806][T12829] softirqs last disabled at (0): 0x0 | [ 528.885808][T12829] Preemption disabled at: | [ 528.885808][T12829] vprintk_emit (kernel/printk/printk.c:2471) | [ 528.885819][T12829] Tainted: [W]=WARN [ 528.885821][T12829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 528.885822][T12829] Call Trace: [ 528.885824][T12829] [ 528.885825][T12829] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 528.885831][T12829] ? vprintk_emit (kernel/printk/printk.c:2471) [ 528.885832][T12829] __might_resched.cold (kernel/sched/core.c:9234) [ 528.885836][T12829] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 528.885840][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.885843][T12829] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 528.885845][T12829] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 528.885849][T12829] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 528.885854][T12829] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 528.885856][T12829] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 528.885859][T12829] put_chars (drivers/char/virtio_console.c:1176) [ 528.885861][T12829] ? __send_to_port (drivers/char/virtio_console.c:654) [ 528.885862][T12829] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 528.885865][T12829] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 528.885867][T12829] ? pointer (lib/vsprintf.c:2577) [ 528.885871][T12829] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 528.885876][T12829] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 528.885878][T12829] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 528.885880][T12829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 528.885882][T12829] console_emit_next_record (kernel/printk/printk.c:3183) [ 528.885885][T12829] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 528.885888][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.885889][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.885890][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.885891][T12829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 528.885893][T12829] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 528.885895][T12829] console_flush_one_record (kernel/printk/printk.c:3268) [ 528.885897][T12829] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 528.885900][T12829] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 528.885902][T12829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 528.885904][T12829] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 528.885906][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.885907][T12829] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 528.885909][T12829] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 528.885910][T12829] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 528.885912][T12829] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 528.885914][T12829] ? vprintk_emit (kernel/printk/printk.c:2478) [ 528.885916][T12829] vprintk_emit (kernel/printk/printk.c:2479) [ 528.885917][T12829] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 528.885919][T12829] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 528.885921][T12829] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 528.885924][T12829] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 528.885927][T12829] _printk (kernel/printk/printk.c:2504) [ 528.885930][T12829] ? snapshot_read.cold (user.c:?) [ 528.885932][T12829] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 528.885935][T12829] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 528.885938][T12829] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 528.885940][T12829] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 528.885943][T12829] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 528.885946][T12829] ? netdev_notice (net/core/dev.c:13194) [ 528.885948][T12829] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 528.885950][T12829] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 528.885952][T12829] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 528.885954][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.885955][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.885957][T12829] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 528.885958][T12829] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 528.885960][T12829] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 528.885961][T12829] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 528.885963][T12829] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 528.885964][T12829] ? register_netdev (net/core/dev.c:11618) [ 528.885966][T12829] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 528.885968][T12829] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 528.885971][T12829] ? __kernel_text_address (kernel/extable.c:79) [ 528.885973][T12829] ? write_profile (profile.c:?) [ 528.885976][T12829] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 528.885980][T12829] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 528.885982][T12829] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 528.885984][T12829] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 528.885985][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.885986][T12829] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 528.885990][T12829] ? kasan_save_stack (mm/kasan/common.c:58) [ 528.885992][T12829] ? kasan_save_stack (mm/kasan/common.c:57) [ 528.885993][T12829] ? kasan_save_track (mm/kasan/common.c:78) [ 528.885994][T12829] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 528.885995][T12829] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 528.885996][T12829] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 528.885998][T12829] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 528.885999][T12829] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 528.886002][T12829] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 528.886004][T12829] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 528.886005][T12829] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 528.886008][T12829] ? ____sys_sendmsg (net/socket.c:2713) [ 528.886009][T12829] ? ___sys_sendmsg (net/socket.c:2767) [ 528.886011][T12829] ? __sys_sendmsg (net/socket.c:2799) [ 528.886013][T12829] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 528.886015][T12829] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 528.886018][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.886019][T12829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 528.886021][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.886022][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.886023][T12829] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 528.886024][T12829] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 528.886026][T12829] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 528.886027][T12829] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 528.886029][T12829] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 528.886030][T12829] ? nla_get_range_signed (lib/nlattr.c:270) [ 528.886033][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.886035][T12829] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 528.886037][T12829] rtnl_newlink (net/core/rtnetlink.c:4215) [ 528.886039][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.886041][T12829] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 528.886042][T12829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 528.886043][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.886045][T12829] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 528.886047][T12829] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 528.886049][T12829] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 528.886050][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.886052][T12829] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 528.886055][T12829] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 528.886057][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.886059][T12829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 528.886060][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.886062][T12829] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 528.886063][T12829] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 528.886065][T12829] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 528.886066][T12829] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 528.886068][T12829] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 528.886071][T12829] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 528.886072][T12829] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 528.886074][T12829] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 528.886076][T12829] ? netlink_ack (./include/linux/skbuff.h:2718) [ 528.886077][T12829] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 528.886081][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.886082][T12829] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 528.886084][T12829] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 528.886086][T12829] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 528.886089][T12829] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 528.886091][T12829] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 528.886093][T12829] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 528.886095][T12829] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 528.886097][T12829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 528.886099][T12829] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 528.886102][T12829] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 528.886104][T12829] ____sys_sendmsg (net/socket.c:2713) [ 528.886106][T12829] ? copy_msghdr_from_user (net/socket.c:2650) [ 528.886108][T12829] ? sock_write_iter (net/socket.c:1269) [ 528.886110][T12829] ? move_addr_to_kernel (net/socket.c:258) [ 528.886111][T12829] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 528.886114][T12829] ___sys_sendmsg (net/socket.c:2767) [ 528.886116][T12829] ? copy_msghdr_from_user (net/socket.c:2619) [ 528.886122][T12829] __sys_sendmsg (net/socket.c:2799) [ 528.886124][T12829] ? __sys_sendmsg_sock (net/socket.c:2780) [ 528.886127][T12829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.886128][T12829] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 528.886131][T12829] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 528.886133][T12829] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 528.886135][T12829] RIP: 0033:0x7f328e5cd54e [ 528.886137][T12829] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 528.886139][T12829] RSP: 002b:00007ffe30c9c8e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 528.886143][T12829] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f328e5cd54e [ 528.886145][T12829] RDX: 0000000000000000 RSI: 00007ffe30c9c990 RDI: 0000000000000005 [ 528.886146][T12829] RBP: 00007ffe30c9c8f0 R08: 0000000000000000 R09: 0000000000000000 [ 528.886147][T12829] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915238 [ 528.886148][T12829] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe30c9d060 | [ 537.068797][T12973] softirqs last disabled at (0): 0x0 | [ 537.068799][T12973] Preemption disabled at: | [ 537.068800][T12973] vprintk_emit (kernel/printk/printk.c:2471) | [ 537.068811][T12973] Tainted: [W]=WARN [ 537.068813][T12973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 537.068815][T12973] Call Trace: [ 537.068816][T12973] [ 537.068818][T12973] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 537.068823][T12973] ? vprintk_emit (kernel/printk/printk.c:2471) [ 537.068825][T12973] __might_resched.cold (kernel/sched/core.c:9234) [ 537.068829][T12973] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 537.068832][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.068835][T12973] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 537.068838][T12973] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 537.068842][T12973] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 537.068847][T12973] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 537.068849][T12973] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 537.068852][T12973] put_chars (drivers/char/virtio_console.c:1176) [ 537.068854][T12973] ? __send_to_port (drivers/char/virtio_console.c:654) [ 537.068855][T12973] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 537.068858][T12973] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 537.068860][T12973] ? pointer (lib/vsprintf.c:2577) [ 537.068864][T12973] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 537.068869][T12973] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 537.068871][T12973] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 537.068873][T12973] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 537.068876][T12973] console_emit_next_record (kernel/printk/printk.c:3183) [ 537.068879][T12973] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 537.068881][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.068882][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.068883][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.068884][T12973] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 537.068887][T12973] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 537.068889][T12973] console_flush_one_record (kernel/printk/printk.c:3268) [ 537.068891][T12973] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 537.068894][T12973] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 537.068897][T12973] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 537.068898][T12973] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 537.068900][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.068901][T12973] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 537.068903][T12973] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 537.068905][T12973] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 537.068906][T12973] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 537.068908][T12973] ? vprintk_emit (kernel/printk/printk.c:2478) [ 537.068910][T12973] vprintk_emit (kernel/printk/printk.c:2479) [ 537.068912][T12973] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 537.068913][T12973] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 537.068916][T12973] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 537.068918][T12973] _printk (kernel/printk/printk.c:2504) [ 537.068921][T12973] ? snapshot_read.cold (user.c:?) [ 537.068924][T12973] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 537.068926][T12973] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 537.068930][T12973] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 537.068932][T12973] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 537.068935][T12973] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 537.068938][T12973] ? netdev_notice (net/core/dev.c:13194) [ 537.068940][T12973] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 537.068942][T12973] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 537.068944][T12973] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 537.068946][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.068948][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.068949][T12973] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 537.068952][T12973] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 537.068954][T12973] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 537.068955][T12973] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 537.068957][T12973] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 537.068959][T12973] ? register_netdev (net/core/dev.c:11618) [ 537.068960][T12973] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 537.068962][T12973] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 537.068965][T12973] ? __kernel_text_address (kernel/extable.c:79) [ 537.068968][T12973] ? write_profile (profile.c:?) [ 537.068971][T12973] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 537.068975][T12973] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 537.068977][T12973] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 537.068979][T12973] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 537.068980][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.068981][T12973] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 537.068985][T12973] ? kasan_save_stack (mm/kasan/common.c:58) [ 537.068987][T12973] ? kasan_save_stack (mm/kasan/common.c:57) [ 537.068988][T12973] ? kasan_save_track (mm/kasan/common.c:78) [ 537.068989][T12973] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 537.068991][T12973] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 537.068992][T12973] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 537.068993][T12973] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 537.068995][T12973] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 537.068998][T12973] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 537.069000][T12973] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 537.069001][T12973] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 537.069004][T12973] ? ____sys_sendmsg (net/socket.c:2713) [ 537.069006][T12973] ? ___sys_sendmsg (net/socket.c:2767) [ 537.069007][T12973] ? __sys_sendmsg (net/socket.c:2799) [ 537.069009][T12973] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 537.069011][T12973] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 537.069014][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.069015][T12973] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 537.069017][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.069018][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.069019][T12973] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 537.069021][T12973] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 537.069022][T12973] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 537.069024][T12973] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 537.069026][T12973] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 537.069027][T12973] ? nla_get_range_signed (lib/nlattr.c:270) [ 537.069030][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.069032][T12973] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 537.069034][T12973] rtnl_newlink (net/core/rtnetlink.c:4215) [ 537.069036][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.069037][T12973] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 537.069039][T12973] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 537.069040][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.069042][T12973] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 537.069044][T12973] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 537.069046][T12973] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 537.069047][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.069049][T12973] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 537.069052][T12973] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 537.069055][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.069056][T12973] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 537.069058][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.069059][T12973] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 537.069060][T12973] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 537.069062][T12973] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 537.069064][T12973] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 537.069066][T12973] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 537.069068][T12973] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 537.069070][T12973] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 537.069072][T12973] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 537.069073][T12973] ? netlink_ack (./include/linux/skbuff.h:2718) [ 537.069075][T12973] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 537.069079][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.069080][T12973] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 537.069082][T12973] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 537.069084][T12973] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 537.069087][T12973] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 537.069089][T12973] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 537.069091][T12973] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 537.069093][T12973] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 537.069095][T12973] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 537.069096][T12973] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 537.069100][T12973] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 537.069102][T12973] ____sys_sendmsg (net/socket.c:2713) [ 537.069104][T12973] ? copy_msghdr_from_user (net/socket.c:2650) [ 537.069105][T12973] ? sock_write_iter (net/socket.c:1269) [ 537.069107][T12973] ? move_addr_to_kernel (net/socket.c:258) [ 537.069109][T12973] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 537.069112][T12973] ___sys_sendmsg (net/socket.c:2767) [ 537.069114][T12973] ? copy_msghdr_from_user (net/socket.c:2619) [ 537.069119][T12973] __sys_sendmsg (net/socket.c:2799) [ 537.069121][T12973] ? __sys_sendmsg_sock (net/socket.c:2780) [ 537.069124][T12973] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 537.069126][T12973] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 537.069128][T12973] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 537.069130][T12973] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 537.069132][T12973] RIP: 0033:0x7f484b14054e [ 537.069134][T12973] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 537.069136][T12973] RSP: 002b:00007fff9a8e92d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 537.069140][T12973] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f484b14054e [ 537.069142][T12973] RDX: 0000000000000000 RSI: 00007fff9a8e9380 RDI: 0000000000000005 [ 537.069143][T12973] RBP: 00007fff9a8e92e0 R08: 0000000000000000 R09: 0000000000000000 [ 537.069144][T12973] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915240 [ 537.069145][T12973] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9a8e9a50 | [ 546.917820][T13144] softirqs last disabled at (0): 0x0 | [ 546.917822][T13144] Preemption disabled at: | [ 546.917823][T13144] vprintk_emit (kernel/printk/printk.c:2471) | [ 546.917834][T13144] Tainted: [W]=WARN [ 546.917835][T13144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 546.917837][T13144] Call Trace: [ 546.917838][T13144] [ 546.917840][T13144] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 546.917846][T13144] ? vprintk_emit (kernel/printk/printk.c:2471) [ 546.917847][T13144] __might_resched.cold (kernel/sched/core.c:9234) [ 546.917852][T13144] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 546.917855][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.917858][T13144] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 546.917861][T13144] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 546.917865][T13144] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 546.917870][T13144] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 546.917872][T13144] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 546.917875][T13144] put_chars (drivers/char/virtio_console.c:1176) [ 546.917877][T13144] ? __send_to_port (drivers/char/virtio_console.c:654) [ 546.917878][T13144] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 546.917881][T13144] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 546.917883][T13144] ? pointer (lib/vsprintf.c:2577) [ 546.917887][T13144] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 546.917892][T13144] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 546.917894][T13144] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 546.917896][T13144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 546.917899][T13144] console_emit_next_record (kernel/printk/printk.c:3183) [ 546.917902][T13144] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 546.917904][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.917905][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.917907][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.917908][T13144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 546.917910][T13144] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 546.917912][T13144] console_flush_one_record (kernel/printk/printk.c:3268) [ 546.917914][T13144] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 546.917918][T13144] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 546.917920][T13144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 546.917921][T13144] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 546.917923][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.917924][T13144] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 546.917926][T13144] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 546.917928][T13144] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 546.917930][T13144] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 546.917932][T13144] ? vprintk_emit (kernel/printk/printk.c:2478) [ 546.917933][T13144] vprintk_emit (kernel/printk/printk.c:2479) [ 546.917935][T13144] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 546.917937][T13144] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 546.917939][T13144] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 546.917943][T13144] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 546.917946][T13144] _printk (kernel/printk/printk.c:2504) [ 546.917949][T13144] ? snapshot_read.cold (user.c:?) [ 546.917951][T13144] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 546.917954][T13144] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 546.917957][T13144] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 546.917960][T13144] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 546.917963][T13144] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 546.917965][T13144] ? netdev_notice (net/core/dev.c:13194) [ 546.917968][T13144] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 546.917970][T13144] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 546.917972][T13144] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 546.917974][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.917975][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.917977][T13144] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 546.917978][T13144] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 546.917980][T13144] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 546.917982][T13144] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 546.917983][T13144] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 546.917985][T13144] ? register_netdev (net/core/dev.c:11618) [ 546.917986][T13144] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 546.917989][T13144] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 546.917992][T13144] ? __kernel_text_address (kernel/extable.c:79) [ 546.917995][T13144] ? write_profile (profile.c:?) [ 546.917998][T13144] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 546.918002][T13144] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 546.918004][T13144] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 546.918006][T13144] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 546.918007][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.918008][T13144] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 546.918012][T13144] ? kasan_save_stack (mm/kasan/common.c:58) [ 546.918014][T13144] ? kasan_save_stack (mm/kasan/common.c:57) [ 546.918015][T13144] ? kasan_save_track (mm/kasan/common.c:78) [ 546.918016][T13144] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 546.918018][T13144] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 546.918019][T13144] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 546.918020][T13144] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 546.918022][T13144] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 546.918025][T13144] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 546.918026][T13144] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 546.918028][T13144] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 546.918031][T13144] ? ____sys_sendmsg (net/socket.c:2713) [ 546.918032][T13144] ? ___sys_sendmsg (net/socket.c:2767) [ 546.918034][T13144] ? __sys_sendmsg (net/socket.c:2799) [ 546.918036][T13144] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 546.918038][T13144] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 546.918041][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.918042][T13144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 546.918044][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.918045][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.918047][T13144] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 546.918049][T13144] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 546.918050][T13144] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 546.918051][T13144] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 546.918053][T13144] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 546.918054][T13144] ? nla_get_range_signed (lib/nlattr.c:270) [ 546.918058][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.918059][T13144] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 546.918062][T13144] rtnl_newlink (net/core/rtnetlink.c:4215) [ 546.918064][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.918065][T13144] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 546.918067][T13144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 546.918068][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.918070][T13144] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 546.918072][T13144] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 546.918074][T13144] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 546.918075][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.918077][T13144] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 546.918080][T13144] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 546.918083][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.918084][T13144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 546.918086][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.918087][T13144] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 546.918089][T13144] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 546.918090][T13144] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 546.918092][T13144] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 546.918094][T13144] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 546.918096][T13144] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 546.918098][T13144] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 546.918100][T13144] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 546.918102][T13144] ? netlink_ack (./include/linux/skbuff.h:2718) [ 546.918103][T13144] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 546.918107][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.918108][T13144] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 546.918111][T13144] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 546.918113][T13144] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 546.918115][T13144] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 546.918117][T13144] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 546.918120][T13144] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 546.918122][T13144] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 546.918123][T13144] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 546.918125][T13144] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 546.918129][T13144] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 546.918131][T13144] ____sys_sendmsg (net/socket.c:2713) [ 546.918133][T13144] ? copy_msghdr_from_user (net/socket.c:2650) [ 546.918135][T13144] ? sock_write_iter (net/socket.c:1269) [ 546.918136][T13144] ? move_addr_to_kernel (net/socket.c:258) [ 546.918138][T13144] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 546.918141][T13144] ___sys_sendmsg (net/socket.c:2767) [ 546.918143][T13144] ? copy_msghdr_from_user (net/socket.c:2619) [ 546.918148][T13144] __sys_sendmsg (net/socket.c:2799) [ 546.918151][T13144] ? __sys_sendmsg_sock (net/socket.c:2780) [ 546.918154][T13144] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 546.918155][T13144] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 546.918157][T13144] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 546.918160][T13144] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 546.918161][T13144] RIP: 0033:0x7fc8066bf54e [ 546.918163][T13144] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 546.918165][T13144] RSP: 002b:00007ffc8aa35f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 546.918169][T13144] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc8066bf54e [ 546.918171][T13144] RDX: 0000000000000000 RSI: 00007ffc8aa35fd0 RDI: 0000000000000005 [ 546.918172][T13144] RBP: 00007ffc8aa35f30 R08: 0000000000000000 R09: 0000000000000000 [ 546.918173][T13144] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91524a [ 546.918174][T13144] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8aa366a0 | [ 556.342602][T13315] softirqs last disabled at (0): 0x0 | [ 556.342605][T13315] Preemption disabled at: | [ 556.342606][T13315] vprintk_emit (kernel/printk/printk.c:2471) | [ 556.342620][T13315] Tainted: [W]=WARN [ 556.342622][T13315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 556.342625][T13315] Call Trace: [ 556.342627][T13315] [ 556.342629][T13315] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 556.342635][T13315] ? vprintk_emit (kernel/printk/printk.c:2471) [ 556.342638][T13315] __might_resched.cold (kernel/sched/core.c:9234) [ 556.342643][T13315] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 556.342648][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342652][T13315] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 556.342656][T13315] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 556.342663][T13315] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 556.342670][T13315] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 556.342673][T13315] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 556.342677][T13315] put_chars (drivers/char/virtio_console.c:1176) [ 556.342680][T13315] ? __send_to_port (drivers/char/virtio_console.c:654) [ 556.342682][T13315] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 556.342686][T13315] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 556.342690][T13315] ? pointer (lib/vsprintf.c:2577) [ 556.342694][T13315] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 556.342701][T13315] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 556.342704][T13315] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 556.342707][T13315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 556.342711][T13315] console_emit_next_record (kernel/printk/printk.c:3183) [ 556.342715][T13315] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 556.342719][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342721][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342723][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342725][T13315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 556.342729][T13315] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 556.342732][T13315] console_flush_one_record (kernel/printk/printk.c:3268) [ 556.342742][T13315] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 556.342747][T13315] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 556.342750][T13315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 556.342753][T13315] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 556.342756][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342758][T13315] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 556.342761][T13315] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 556.342763][T13315] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 556.342766][T13315] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 556.342769][T13315] ? vprintk_emit (kernel/printk/printk.c:2478) [ 556.342772][T13315] vprintk_emit (kernel/printk/printk.c:2479) [ 556.342776][T13315] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 556.342778][T13315] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 556.342782][T13315] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 556.342786][T13315] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 556.342790][T13315] _printk (kernel/printk/printk.c:2504) [ 556.342795][T13315] ? snapshot_read.cold (user.c:?) [ 556.342798][T13315] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 556.342802][T13315] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 556.342806][T13315] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 556.342810][T13315] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 556.342814][T13315] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 556.342818][T13315] ? netdev_notice (net/core/dev.c:13194) [ 556.342821][T13315] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 556.342824][T13315] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 556.342828][T13315] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 556.342831][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342833][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342835][T13315] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 556.342838][T13315] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 556.342841][T13315] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 556.342843][T13315] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 556.342846][T13315] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 556.342849][T13315] ? register_netdev (net/core/dev.c:11618) [ 556.342852][T13315] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 556.342855][T13315] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 556.342859][T13315] ? __kernel_text_address (kernel/extable.c:79) [ 556.342863][T13315] ? write_profile (profile.c:?) [ 556.342867][T13315] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 556.342872][T13315] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 556.342876][T13315] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 556.342879][T13315] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 556.342881][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342883][T13315] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 556.342888][T13315] ? kasan_save_stack (mm/kasan/common.c:58) [ 556.342891][T13315] ? kasan_save_stack (mm/kasan/common.c:57) [ 556.342893][T13315] ? kasan_save_track (mm/kasan/common.c:78) [ 556.342896][T13315] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 556.342898][T13315] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 556.342900][T13315] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 556.342903][T13315] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 556.342905][T13315] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 556.342909][T13315] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 556.342912][T13315] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 556.342915][T13315] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 556.342918][T13315] ? ____sys_sendmsg (net/socket.c:2713) [ 556.342921][T13315] ? ___sys_sendmsg (net/socket.c:2767) [ 556.342923][T13315] ? __sys_sendmsg (net/socket.c:2799) [ 556.342926][T13315] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 556.342930][T13315] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 556.342934][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342936][T13315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 556.342939][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342940][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342943][T13315] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 556.342945][T13315] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 556.342947][T13315] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 556.342949][T13315] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 556.342952][T13315] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 556.342954][T13315] ? nla_get_range_signed (lib/nlattr.c:270) [ 556.342960][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342962][T13315] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 556.342966][T13315] rtnl_newlink (net/core/rtnetlink.c:4215) [ 556.342970][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342972][T13315] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 556.342975][T13315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 556.342977][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342980][T13315] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 556.342983][T13315] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 556.342986][T13315] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 556.342989][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.342991][T13315] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 556.342996][T13315] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 556.342999][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.343002][T13315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 556.343005][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.343007][T13315] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 556.343010][T13315] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 556.343013][T13315] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 556.343015][T13315] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 556.343018][T13315] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 556.343023][T13315] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 556.343026][T13315] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 556.343029][T13315] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 556.343031][T13315] ? netlink_ack (./include/linux/skbuff.h:2718) [ 556.343034][T13315] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 556.343039][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.343042][T13315] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 556.343045][T13315] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 556.343049][T13315] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 556.343052][T13315] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 556.343056][T13315] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 556.343060][T13315] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 556.343063][T13315] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 556.343066][T13315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 556.343069][T13315] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 556.343074][T13315] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 556.343077][T13315] ____sys_sendmsg (net/socket.c:2713) [ 556.343080][T13315] ? copy_msghdr_from_user (net/socket.c:2650) [ 556.343083][T13315] ? sock_write_iter (net/socket.c:1269) [ 556.343085][T13315] ? move_addr_to_kernel (net/socket.c:258) [ 556.343088][T13315] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 556.343093][T13315] ___sys_sendmsg (net/socket.c:2767) [ 556.343096][T13315] ? copy_msghdr_from_user (net/socket.c:2619) [ 556.343105][T13315] __sys_sendmsg (net/socket.c:2799) [ 556.343109][T13315] ? __sys_sendmsg_sock (net/socket.c:2780) [ 556.343113][T13315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 556.343116][T13315] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 556.343119][T13315] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 556.343123][T13315] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 556.343126][T13315] RIP: 0033:0x7f21c417a54e [ 556.343130][T13315] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 556.343133][T13315] RSP: 002b:00007ffd8793a500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 556.343138][T13315] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f21c417a54e [ 556.343140][T13315] RDX: 0000000000000000 RSI: 00007ffd8793a5b0 RDI: 0000000000000005 [ 556.343142][T13315] RBP: 00007ffd8793a510 R08: 0000000000000000 R09: 0000000000000000 [ 556.343144][T13315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915253 [ 556.343145][T13315] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8793ac80 | [ 565.954908][T13486] softirqs last disabled at (0): 0x0 | [ 565.954910][T13486] Preemption disabled at: | [ 565.954911][T13486] vprintk_emit (kernel/printk/printk.c:2471) | [ 565.954921][T13486] Tainted: [W]=WARN [ 565.954923][T13486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 565.954924][T13486] Call Trace: [ 565.954926][T13486] [ 565.954927][T13486] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 565.954933][T13486] ? vprintk_emit (kernel/printk/printk.c:2471) [ 565.954935][T13486] __might_resched.cold (kernel/sched/core.c:9234) [ 565.954938][T13486] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 565.954943][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.954945][T13486] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 565.954948][T13486] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 565.954951][T13486] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 565.954956][T13486] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 565.954958][T13486] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 565.954961][T13486] put_chars (drivers/char/virtio_console.c:1176) [ 565.954963][T13486] ? __send_to_port (drivers/char/virtio_console.c:654) [ 565.954964][T13486] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 565.954967][T13486] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 565.954969][T13486] ? pointer (lib/vsprintf.c:2577) [ 565.954973][T13486] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 565.954977][T13486] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 565.954979][T13486] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 565.954981][T13486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.954984][T13486] console_emit_next_record (kernel/printk/printk.c:3183) [ 565.954987][T13486] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 565.954989][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.954990][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.954992][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.954993][T13486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.954995][T13486] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 565.954997][T13486] console_flush_one_record (kernel/printk/printk.c:3268) [ 565.955000][T13486] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 565.955002][T13486] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 565.955005][T13486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.955006][T13486] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 565.955008][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955009][T13486] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 565.955011][T13486] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 565.955013][T13486] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 565.955014][T13486] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 565.955017][T13486] ? vprintk_emit (kernel/printk/printk.c:2478) [ 565.955018][T13486] vprintk_emit (kernel/printk/printk.c:2479) [ 565.955020][T13486] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 565.955022][T13486] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 565.955024][T13486] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 565.955027][T13486] _printk (kernel/printk/printk.c:2504) [ 565.955030][T13486] ? snapshot_read.cold (user.c:?) [ 565.955032][T13486] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 565.955035][T13486] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 565.955038][T13486] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 565.955040][T13486] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 565.955043][T13486] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 565.955046][T13486] ? netdev_notice (net/core/dev.c:13194) [ 565.955048][T13486] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 565.955050][T13486] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 565.955052][T13486] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 565.955054][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955055][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955057][T13486] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 565.955060][T13486] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 565.955062][T13486] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 565.955063][T13486] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 565.955064][T13486] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 565.955066][T13486] ? register_netdev (net/core/dev.c:11618) [ 565.955068][T13486] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 565.955070][T13486] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 565.955073][T13486] ? __kernel_text_address (kernel/extable.c:79) [ 565.955076][T13486] ? write_profile (profile.c:?) [ 565.955079][T13486] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 565.955083][T13486] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 565.955085][T13486] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 565.955087][T13486] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 565.955088][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955089][T13486] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 565.955093][T13486] ? kasan_save_stack (mm/kasan/common.c:58) [ 565.955095][T13486] ? kasan_save_stack (mm/kasan/common.c:57) [ 565.955096][T13486] ? kasan_save_track (mm/kasan/common.c:78) [ 565.955097][T13486] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 565.955098][T13486] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 565.955100][T13486] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 565.955101][T13486] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 565.955102][T13486] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 565.955105][T13486] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 565.955107][T13486] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 565.955109][T13486] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 565.955112][T13486] ? ____sys_sendmsg (net/socket.c:2713) [ 565.955113][T13486] ? ___sys_sendmsg (net/socket.c:2767) [ 565.955115][T13486] ? __sys_sendmsg (net/socket.c:2799) [ 565.955116][T13486] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 565.955119][T13486] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 565.955121][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955123][T13486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.955124][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955125][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955127][T13486] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 565.955128][T13486] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 565.955130][T13486] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 565.955131][T13486] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 565.955133][T13486] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 565.955134][T13486] ? nla_get_range_signed (lib/nlattr.c:270) [ 565.955137][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955139][T13486] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 565.955141][T13486] rtnl_newlink (net/core/rtnetlink.c:4215) [ 565.955143][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955144][T13486] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 565.955145][T13486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.955147][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955149][T13486] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 565.955151][T13486] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 565.955153][T13486] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 565.955155][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955156][T13486] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 565.955159][T13486] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 565.955162][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955163][T13486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.955165][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955166][T13486] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 565.955168][T13486] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 565.955169][T13486] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 565.955171][T13486] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 565.955173][T13486] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 565.955175][T13486] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 565.955177][T13486] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 565.955179][T13486] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 565.955180][T13486] ? netlink_ack (./include/linux/skbuff.h:2718) [ 565.955182][T13486] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 565.955185][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955187][T13486] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 565.955189][T13486] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 565.955191][T13486] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 565.955193][T13486] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 565.955195][T13486] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 565.955197][T13486] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 565.955199][T13486] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 565.955201][T13486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.955203][T13486] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 565.955206][T13486] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 565.955208][T13486] ____sys_sendmsg (net/socket.c:2713) [ 565.955210][T13486] ? copy_msghdr_from_user (net/socket.c:2650) [ 565.955212][T13486] ? sock_write_iter (net/socket.c:1269) [ 565.955213][T13486] ? move_addr_to_kernel (net/socket.c:258) [ 565.955215][T13486] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 565.955218][T13486] ___sys_sendmsg (net/socket.c:2767) [ 565.955220][T13486] ? copy_msghdr_from_user (net/socket.c:2619) [ 565.955225][T13486] __sys_sendmsg (net/socket.c:2799) [ 565.955227][T13486] ? __sys_sendmsg_sock (net/socket.c:2780) [ 565.955230][T13486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.955231][T13486] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 565.955233][T13486] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 565.955235][T13486] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 565.955237][T13486] RIP: 0033:0x7fb69e3c454e [ 565.955239][T13486] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 565.955241][T13486] RSP: 002b:00007fffebd59130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 565.955245][T13486] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb69e3c454e [ 565.955247][T13486] RDX: 0000000000000000 RSI: 00007fffebd591e0 RDI: 0000000000000005 [ 565.955248][T13486] RBP: 00007fffebd59140 R08: 0000000000000000 R09: 0000000000000000 [ 565.955249][T13486] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91525d [ 565.955250][T13486] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffebd598b0 | [ 575.386797][T13657] softirqs last disabled at (0): 0x0 | [ 575.386799][T13657] Preemption disabled at: | [ 575.386800][T13657] vprintk_emit (kernel/printk/printk.c:2471) | [ 575.386811][T13657] Tainted: [W]=WARN [ 575.386812][T13657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 575.386814][T13657] Call Trace: [ 575.386815][T13657] [ 575.386817][T13657] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 575.386823][T13657] ? vprintk_emit (kernel/printk/printk.c:2471) [ 575.386824][T13657] __might_resched.cold (kernel/sched/core.c:9234) [ 575.386828][T13657] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 575.386833][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.386835][T13657] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 575.386846][T13657] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 575.386849][T13657] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 575.386855][T13657] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 575.386856][T13657] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 575.386860][T13657] put_chars (drivers/char/virtio_console.c:1176) [ 575.386861][T13657] ? __send_to_port (drivers/char/virtio_console.c:654) [ 575.386863][T13657] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 575.386865][T13657] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 575.386868][T13657] ? pointer (lib/vsprintf.c:2577) [ 575.386872][T13657] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 575.386876][T13657] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 575.386878][T13657] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 575.386880][T13657] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 575.386883][T13657] console_emit_next_record (kernel/printk/printk.c:3183) [ 575.386886][T13657] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 575.386888][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.386890][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.386891][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.386892][T13657] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 575.386894][T13657] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 575.386896][T13657] console_flush_one_record (kernel/printk/printk.c:3268) [ 575.386898][T13657] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 575.386901][T13657] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 575.386903][T13657] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 575.386905][T13657] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 575.386907][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.386908][T13657] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 575.386910][T13657] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 575.386912][T13657] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 575.386913][T13657] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 575.386916][T13657] ? vprintk_emit (kernel/printk/printk.c:2478) [ 575.386917][T13657] vprintk_emit (kernel/printk/printk.c:2479) [ 575.386919][T13657] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 575.386920][T13657] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 575.386923][T13657] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 575.386926][T13657] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 575.386928][T13657] _printk (kernel/printk/printk.c:2504) [ 575.386932][T13657] ? snapshot_read.cold (user.c:?) [ 575.386934][T13657] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 575.386936][T13657] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 575.386940][T13657] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 575.386942][T13657] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 575.386945][T13657] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 575.386947][T13657] ? netdev_notice (net/core/dev.c:13194) [ 575.386950][T13657] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 575.386951][T13657] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 575.386954][T13657] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 575.386956][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.386957][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.386958][T13657] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 575.386960][T13657] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 575.386961][T13657] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 575.386963][T13657] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 575.386964][T13657] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 575.386966][T13657] ? register_netdev (net/core/dev.c:11618) [ 575.386968][T13657] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 575.386970][T13657] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 575.386973][T13657] ? __kernel_text_address (kernel/extable.c:79) [ 575.386976][T13657] ? write_profile (profile.c:?) [ 575.386979][T13657] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 575.386983][T13657] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 575.386985][T13657] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 575.386987][T13657] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 575.386988][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.386989][T13657] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 575.386993][T13657] ? kasan_save_stack (mm/kasan/common.c:58) [ 575.386995][T13657] ? kasan_save_stack (mm/kasan/common.c:57) [ 575.386996][T13657] ? kasan_save_track (mm/kasan/common.c:78) [ 575.386997][T13657] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 575.386999][T13657] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 575.387000][T13657] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 575.387001][T13657] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 575.387003][T13657] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 575.387006][T13657] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 575.387007][T13657] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 575.387009][T13657] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 575.387012][T13657] ? ____sys_sendmsg (net/socket.c:2713) [ 575.387013][T13657] ? ___sys_sendmsg (net/socket.c:2767) [ 575.387015][T13657] ? __sys_sendmsg (net/socket.c:2799) [ 575.387017][T13657] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 575.387019][T13657] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 575.387022][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.387023][T13657] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 575.387025][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.387026][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.387027][T13657] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 575.387029][T13657] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 575.387030][T13657] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 575.387031][T13657] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 575.387033][T13657] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 575.387034][T13657] ? nla_get_range_signed (lib/nlattr.c:270) [ 575.387038][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.387039][T13657] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 575.387041][T13657] rtnl_newlink (net/core/rtnetlink.c:4215) [ 575.387044][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.387045][T13657] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 575.387046][T13657] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 575.387048][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.387049][T13657] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 575.387052][T13657] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 575.387053][T13657] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 575.387055][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.387056][T13657] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 575.387059][T13657] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 575.387062][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.387063][T13657] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 575.387065][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.387066][T13657] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 575.387067][T13657] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 575.387069][T13657] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 575.387071][T13657] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 575.387072][T13657] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 575.387075][T13657] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 575.387077][T13657] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 575.387078][T13657] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 575.387080][T13657] ? netlink_ack (./include/linux/skbuff.h:2718) [ 575.387082][T13657] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 575.387085][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.387087][T13657] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 575.387089][T13657] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 575.387091][T13657] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 575.387093][T13657] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 575.387095][T13657] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 575.387098][T13657] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 575.387099][T13657] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 575.387101][T13657] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 575.387103][T13657] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 575.387106][T13657] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 575.387108][T13657] ____sys_sendmsg (net/socket.c:2713) [ 575.387110][T13657] ? copy_msghdr_from_user (net/socket.c:2650) [ 575.387112][T13657] ? sock_write_iter (net/socket.c:1269) [ 575.387114][T13657] ? move_addr_to_kernel (net/socket.c:258) [ 575.387115][T13657] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 575.387118][T13657] ___sys_sendmsg (net/socket.c:2767) [ 575.387120][T13657] ? copy_msghdr_from_user (net/socket.c:2619) [ 575.387125][T13657] __sys_sendmsg (net/socket.c:2799) [ 575.387128][T13657] ? __sys_sendmsg_sock (net/socket.c:2780) [ 575.387131][T13657] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 575.387132][T13657] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 575.387134][T13657] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 575.387136][T13657] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 575.387138][T13657] RIP: 0033:0x7fcda7b6654e [ 575.387140][T13657] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 575.387142][T13657] RSP: 002b:00007ffe129fbe20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 575.387146][T13657] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcda7b6654e [ 575.387148][T13657] RDX: 0000000000000000 RSI: 00007ffe129fbed0 RDI: 0000000000000005 [ 575.387149][T13657] RBP: 00007ffe129fbe30 R08: 0000000000000000 R09: 0000000000000000 [ 575.387150][T13657] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915266 [ 575.387151][T13657] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe129fc5a0 | [ 585.082947][T13828] softirqs last disabled at (0): 0x0 | [ 585.082949][T13828] Preemption disabled at: | [ 585.082950][T13828] vprintk_emit (kernel/printk/printk.c:2471) | [ 585.082960][T13828] Tainted: [W]=WARN [ 585.082961][T13828] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 585.082964][T13828] Call Trace: [ 585.082965][T13828] [ 585.082967][T13828] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 585.082973][T13828] ? vprintk_emit (kernel/printk/printk.c:2471) [ 585.082975][T13828] __might_resched.cold (kernel/sched/core.c:9234) [ 585.082979][T13828] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 585.082983][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.082986][T13828] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 585.082989][T13828] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 585.082992][T13828] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 585.082998][T13828] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 585.083000][T13828] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 585.083002][T13828] put_chars (drivers/char/virtio_console.c:1176) [ 585.083004][T13828] ? __send_to_port (drivers/char/virtio_console.c:654) [ 585.083006][T13828] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 585.083008][T13828] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 585.083010][T13828] ? pointer (lib/vsprintf.c:2577) [ 585.083014][T13828] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 585.083019][T13828] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 585.083021][T13828] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 585.083023][T13828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 585.083026][T13828] console_emit_next_record (kernel/printk/printk.c:3183) [ 585.083029][T13828] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 585.083031][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083033][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083034][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083035][T13828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 585.083037][T13828] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 585.083039][T13828] console_flush_one_record (kernel/printk/printk.c:3268) [ 585.083042][T13828] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 585.083045][T13828] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 585.083047][T13828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 585.083048][T13828] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 585.083050][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083051][T13828] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 585.083053][T13828] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 585.083055][T13828] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 585.083057][T13828] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 585.083059][T13828] ? vprintk_emit (kernel/printk/printk.c:2478) [ 585.083060][T13828] vprintk_emit (kernel/printk/printk.c:2479) [ 585.083062][T13828] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 585.083063][T13828] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 585.083066][T13828] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 585.083069][T13828] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 585.083072][T13828] _printk (kernel/printk/printk.c:2504) [ 585.083075][T13828] ? snapshot_read.cold (user.c:?) [ 585.083077][T13828] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 585.083080][T13828] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 585.083083][T13828] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 585.083085][T13828] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 585.083088][T13828] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 585.083091][T13828] ? netdev_notice (net/core/dev.c:13194) [ 585.083093][T13828] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 585.083095][T13828] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 585.083097][T13828] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 585.083099][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083100][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083101][T13828] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 585.083103][T13828] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 585.083105][T13828] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 585.083106][T13828] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 585.083108][T13828] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 585.083110][T13828] ? register_netdev (net/core/dev.c:11618) [ 585.083111][T13828] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 585.083113][T13828] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 585.083116][T13828] ? __kernel_text_address (kernel/extable.c:79) [ 585.083119][T13828] ? write_profile (profile.c:?) [ 585.083122][T13828] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 585.083126][T13828] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 585.083128][T13828] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 585.083130][T13828] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 585.083131][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083132][T13828] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 585.083136][T13828] ? kasan_save_stack (mm/kasan/common.c:58) [ 585.083138][T13828] ? kasan_save_stack (mm/kasan/common.c:57) [ 585.083139][T13828] ? kasan_save_track (mm/kasan/common.c:78) [ 585.083140][T13828] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 585.083142][T13828] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 585.083143][T13828] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 585.083144][T13828] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 585.083145][T13828] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 585.083149][T13828] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 585.083150][T13828] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 585.083152][T13828] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 585.083155][T13828] ? ____sys_sendmsg (net/socket.c:2713) [ 585.083157][T13828] ? ___sys_sendmsg (net/socket.c:2767) [ 585.083158][T13828] ? __sys_sendmsg (net/socket.c:2799) [ 585.083160][T13828] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 585.083163][T13828] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 585.083165][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083167][T13828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 585.083168][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083169][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083171][T13828] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 585.083172][T13828] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 585.083174][T13828] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 585.083175][T13828] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 585.083177][T13828] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 585.083178][T13828] ? nla_get_range_signed (lib/nlattr.c:270) [ 585.083181][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083183][T13828] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 585.083185][T13828] rtnl_newlink (net/core/rtnetlink.c:4215) [ 585.083187][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083189][T13828] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 585.083190][T13828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 585.083192][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083193][T13828] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 585.083196][T13828] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 585.083197][T13828] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 585.083199][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083200][T13828] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 585.083203][T13828] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 585.083206][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083207][T13828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 585.083209][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083210][T13828] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 585.083211][T13828] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 585.083213][T13828] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 585.083215][T13828] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 585.083217][T13828] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 585.083219][T13828] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 585.083221][T13828] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 585.083222][T13828] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 585.083224][T13828] ? netlink_ack (./include/linux/skbuff.h:2718) [ 585.083226][T13828] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 585.083229][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083231][T13828] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 585.083233][T13828] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 585.083235][T13828] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 585.083237][T13828] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 585.083239][T13828] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 585.083242][T13828] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 585.083244][T13828] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 585.083245][T13828] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 585.083247][T13828] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 585.083251][T13828] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 585.083253][T13828] ____sys_sendmsg (net/socket.c:2713) [ 585.083255][T13828] ? copy_msghdr_from_user (net/socket.c:2650) [ 585.083256][T13828] ? sock_write_iter (net/socket.c:1269) [ 585.083258][T13828] ? move_addr_to_kernel (net/socket.c:258) [ 585.083260][T13828] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 585.083263][T13828] ___sys_sendmsg (net/socket.c:2767) [ 585.083265][T13828] ? copy_msghdr_from_user (net/socket.c:2619) [ 585.083270][T13828] __sys_sendmsg (net/socket.c:2799) [ 585.083272][T13828] ? __sys_sendmsg_sock (net/socket.c:2780) [ 585.083275][T13828] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 585.083277][T13828] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 585.083279][T13828] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 585.083281][T13828] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 585.083283][T13828] RIP: 0033:0x7f6f59b9f54e [ 585.083285][T13828] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 585.083287][T13828] RSP: 002b:00007fff33bc12f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 585.083291][T13828] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6f59b9f54e [ 585.083293][T13828] RDX: 0000000000000000 RSI: 00007fff33bc13a0 RDI: 0000000000000005 [ 585.083294][T13828] RBP: 00007fff33bc1300 R08: 0000000000000000 R09: 0000000000000000 [ 585.083295][T13828] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915270 [ 585.083296][T13828] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff33bc1a70 | [ 594.526965][T13999] softirqs last disabled at (0): 0x0 | [ 594.526967][T13999] Preemption disabled at: | [ 594.526968][T13999] vprintk_emit (kernel/printk/printk.c:2471) | [ 594.526979][T13999] Tainted: [W]=WARN [ 594.526980][T13999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 594.526982][T13999] Call Trace: [ 594.526984][T13999] [ 594.526985][T13999] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 594.526991][T13999] ? vprintk_emit (kernel/printk/printk.c:2471) [ 594.526993][T13999] __might_resched.cold (kernel/sched/core.c:9234) [ 594.526997][T13999] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 594.527001][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527004][T13999] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 594.527007][T13999] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 594.527010][T13999] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 594.527015][T13999] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 594.527017][T13999] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 594.527021][T13999] put_chars (drivers/char/virtio_console.c:1176) [ 594.527022][T13999] ? __send_to_port (drivers/char/virtio_console.c:654) [ 594.527024][T13999] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 594.527027][T13999] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 594.527029][T13999] ? pointer (lib/vsprintf.c:2577) [ 594.527033][T13999] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 594.527038][T13999] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 594.527040][T13999] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 594.527042][T13999] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 594.527045][T13999] console_emit_next_record (kernel/printk/printk.c:3183) [ 594.527048][T13999] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 594.527050][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527051][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527052][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527054][T13999] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 594.527056][T13999] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 594.527058][T13999] console_flush_one_record (kernel/printk/printk.c:3268) [ 594.527060][T13999] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 594.527063][T13999] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 594.527065][T13999] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 594.527067][T13999] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 594.527069][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527070][T13999] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 594.527072][T13999] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 594.527074][T13999] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 594.527075][T13999] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 594.527078][T13999] ? vprintk_emit (kernel/printk/printk.c:2478) [ 594.527079][T13999] vprintk_emit (kernel/printk/printk.c:2479) [ 594.527081][T13999] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 594.527082][T13999] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 594.527085][T13999] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 594.527088][T13999] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 594.527091][T13999] _printk (kernel/printk/printk.c:2504) [ 594.527094][T13999] ? snapshot_read.cold (user.c:?) [ 594.527096][T13999] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 594.527099][T13999] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 594.527102][T13999] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 594.527104][T13999] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 594.527107][T13999] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 594.527110][T13999] ? netdev_notice (net/core/dev.c:13194) [ 594.527112][T13999] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 594.527114][T13999] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 594.527116][T13999] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 594.527118][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527119][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527121][T13999] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 594.527122][T13999] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 594.527124][T13999] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 594.527126][T13999] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 594.527127][T13999] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 594.527129][T13999] ? register_netdev (net/core/dev.c:11618) [ 594.527131][T13999] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 594.527133][T13999] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 594.527136][T13999] ? __kernel_text_address (kernel/extable.c:79) [ 594.527139][T13999] ? write_profile (profile.c:?) [ 594.527142][T13999] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 594.527145][T13999] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 594.527147][T13999] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 594.527149][T13999] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 594.527150][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527152][T13999] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 594.527155][T13999] ? kasan_save_stack (mm/kasan/common.c:58) [ 594.527157][T13999] ? kasan_save_stack (mm/kasan/common.c:57) [ 594.527158][T13999] ? kasan_save_track (mm/kasan/common.c:78) [ 594.527160][T13999] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 594.527161][T13999] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 594.527162][T13999] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 594.527164][T13999] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 594.527165][T13999] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 594.527168][T13999] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 594.527170][T13999] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 594.527172][T13999] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 594.527174][T13999] ? ____sys_sendmsg (net/socket.c:2713) [ 594.527176][T13999] ? ___sys_sendmsg (net/socket.c:2767) [ 594.527177][T13999] ? __sys_sendmsg (net/socket.c:2799) [ 594.527179][T13999] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 594.527182][T13999] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 594.527184][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527186][T13999] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 594.527187][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527188][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527190][T13999] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 594.527191][T13999] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 594.527193][T13999] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 594.527194][T13999] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 594.527196][T13999] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 594.527197][T13999] ? nla_get_range_signed (lib/nlattr.c:270) [ 594.527200][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527202][T13999] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 594.527204][T13999] rtnl_newlink (net/core/rtnetlink.c:4215) [ 594.527206][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527208][T13999] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 594.527209][T13999] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 594.527211][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527213][T13999] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 594.527215][T13999] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 594.527216][T13999] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 594.527218][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527219][T13999] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 594.527223][T13999] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 594.527225][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527227][T13999] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 594.527228][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527230][T13999] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 594.527231][T13999] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 594.527233][T13999] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 594.527235][T13999] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 594.527236][T13999] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 594.527239][T13999] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 594.527241][T13999] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 594.527242][T13999] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 594.527244][T13999] ? netlink_ack (./include/linux/skbuff.h:2718) [ 594.527246][T13999] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 594.527249][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527250][T13999] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 594.527253][T13999] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 594.527255][T13999] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 594.527257][T13999] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 594.527259][T13999] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 594.527261][T13999] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 594.527263][T13999] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 594.527265][T13999] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 594.527267][T13999] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 594.527270][T13999] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 594.527272][T13999] ____sys_sendmsg (net/socket.c:2713) [ 594.527274][T13999] ? copy_msghdr_from_user (net/socket.c:2650) [ 594.527276][T13999] ? sock_write_iter (net/socket.c:1269) [ 594.527277][T13999] ? move_addr_to_kernel (net/socket.c:258) [ 594.527279][T13999] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 594.527282][T13999] ___sys_sendmsg (net/socket.c:2767) [ 594.527284][T13999] ? copy_msghdr_from_user (net/socket.c:2619) [ 594.527290][T13999] __sys_sendmsg (net/socket.c:2799) [ 594.527292][T13999] ? __sys_sendmsg_sock (net/socket.c:2780) [ 594.527295][T13999] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 594.527297][T13999] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 594.527299][T13999] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 594.527301][T13999] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 594.527302][T13999] RIP: 0033:0x7f01cfe7054e [ 594.527304][T13999] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 594.527307][T13999] RSP: 002b:00007ffd2e9d5d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 594.527311][T13999] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f01cfe7054e [ 594.527313][T13999] RDX: 0000000000000000 RSI: 00007ffd2e9d5e10 RDI: 0000000000000005 [ 594.527314][T13999] RBP: 00007ffd2e9d5d70 R08: 0000000000000000 R09: 0000000000000000 [ 594.527315][T13999] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915279 [ 594.527316][T13999] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2e9d64e0 | [ 603.964177][T14169] softirqs last disabled at (0): 0x0 | [ 603.964179][T14169] Preemption disabled at: | [ 603.964180][T14169] vprintk_emit (kernel/printk/printk.c:2471) | [ 603.964191][T14169] Tainted: [W]=WARN [ 603.964192][T14169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 603.964194][T14169] Call Trace: [ 603.964196][T14169] [ 603.964197][T14169] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 603.964203][T14169] ? vprintk_emit (kernel/printk/printk.c:2471) [ 603.964205][T14169] __might_resched.cold (kernel/sched/core.c:9234) [ 603.964209][T14169] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 603.964212][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964215][T14169] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 603.964218][T14169] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 603.964221][T14169] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 603.964226][T14169] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 603.964228][T14169] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 603.964231][T14169] put_chars (drivers/char/virtio_console.c:1176) [ 603.964233][T14169] ? __send_to_port (drivers/char/virtio_console.c:654) [ 603.964234][T14169] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 603.964237][T14169] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 603.964239][T14169] ? pointer (lib/vsprintf.c:2577) [ 603.964243][T14169] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 603.964248][T14169] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 603.964250][T14169] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 603.964252][T14169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 603.964255][T14169] console_emit_next_record (kernel/printk/printk.c:3183) [ 603.964257][T14169] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 603.964260][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964261][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964262][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964263][T14169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 603.964265][T14169] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 603.964267][T14169] console_flush_one_record (kernel/printk/printk.c:3268) [ 603.964270][T14169] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 603.964273][T14169] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 603.964275][T14169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 603.964277][T14169] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 603.964278][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964280][T14169] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 603.964281][T14169] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 603.964283][T14169] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 603.964285][T14169] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 603.964287][T14169] ? vprintk_emit (kernel/printk/printk.c:2478) [ 603.964288][T14169] vprintk_emit (kernel/printk/printk.c:2479) [ 603.964290][T14169] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 603.964291][T14169] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 603.964294][T14169] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 603.964297][T14169] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 603.964300][T14169] _printk (kernel/printk/printk.c:2504) [ 603.964303][T14169] ? snapshot_read.cold (user.c:?) [ 603.964305][T14169] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 603.964308][T14169] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 603.964311][T14169] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 603.964313][T14169] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 603.964316][T14169] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 603.964318][T14169] ? netdev_notice (net/core/dev.c:13194) [ 603.964321][T14169] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 603.964323][T14169] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 603.964325][T14169] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 603.964327][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964328][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964330][T14169] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 603.964331][T14169] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 603.964333][T14169] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 603.964334][T14169] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 603.964336][T14169] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 603.964338][T14169] ? register_netdev (net/core/dev.c:11618) [ 603.964339][T14169] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 603.964341][T14169] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 603.964344][T14169] ? __kernel_text_address (kernel/extable.c:79) [ 603.964347][T14169] ? write_profile (profile.c:?) [ 603.964350][T14169] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 603.964353][T14169] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 603.964355][T14169] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 603.964357][T14169] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 603.964358][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964359][T14169] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 603.964363][T14169] ? kasan_save_stack (mm/kasan/common.c:58) [ 603.964365][T14169] ? kasan_save_stack (mm/kasan/common.c:57) [ 603.964366][T14169] ? kasan_save_track (mm/kasan/common.c:78) [ 603.964367][T14169] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 603.964368][T14169] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 603.964370][T14169] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 603.964371][T14169] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 603.964372][T14169] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 603.964375][T14169] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 603.964377][T14169] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 603.964379][T14169] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 603.964382][T14169] ? ____sys_sendmsg (net/socket.c:2713) [ 603.964383][T14169] ? ___sys_sendmsg (net/socket.c:2767) [ 603.964385][T14169] ? __sys_sendmsg (net/socket.c:2799) [ 603.964386][T14169] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 603.964389][T14169] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 603.964392][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964393][T14169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 603.964395][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964396][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964397][T14169] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 603.964399][T14169] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 603.964400][T14169] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 603.964401][T14169] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 603.964403][T14169] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 603.964405][T14169] ? nla_get_range_signed (lib/nlattr.c:270) [ 603.964408][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964410][T14169] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 603.964412][T14169] rtnl_newlink (net/core/rtnetlink.c:4215) [ 603.964414][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964416][T14169] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 603.964417][T14169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 603.964418][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964420][T14169] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 603.964422][T14169] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 603.964424][T14169] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 603.964425][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964427][T14169] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 603.964430][T14169] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 603.964433][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964434][T14169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 603.964436][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964437][T14169] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 603.964438][T14169] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 603.964440][T14169] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 603.964442][T14169] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 603.964444][T14169] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 603.964446][T14169] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 603.964448][T14169] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 603.964450][T14169] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 603.964451][T14169] ? netlink_ack (./include/linux/skbuff.h:2718) [ 603.964453][T14169] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 603.964457][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964458][T14169] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 603.964460][T14169] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 603.964462][T14169] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 603.964464][T14169] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 603.964466][T14169] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 603.964469][T14169] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 603.964470][T14169] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 603.964472][T14169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 603.964474][T14169] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 603.964477][T14169] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 603.964479][T14169] ____sys_sendmsg (net/socket.c:2713) [ 603.964481][T14169] ? copy_msghdr_from_user (net/socket.c:2650) [ 603.964483][T14169] ? sock_write_iter (net/socket.c:1269) [ 603.964485][T14169] ? move_addr_to_kernel (net/socket.c:258) [ 603.964486][T14169] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 603.964489][T14169] ___sys_sendmsg (net/socket.c:2767) [ 603.964491][T14169] ? copy_msghdr_from_user (net/socket.c:2619) [ 603.964496][T14169] __sys_sendmsg (net/socket.c:2799) [ 603.964498][T14169] ? __sys_sendmsg_sock (net/socket.c:2780) [ 603.964501][T14169] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 603.964504][T14169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 603.964505][T14169] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 603.964507][T14169] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 603.964509][T14169] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 603.964511][T14169] RIP: 0033:0x7f95e6edc54e [ 603.964513][T14169] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 603.964515][T14169] RSP: 002b:00007ffe6d02eee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 603.964519][T14169] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f95e6edc54e [ 603.964521][T14169] RDX: 0000000000000000 RSI: 00007ffe6d02ef90 RDI: 0000000000000005 [ 603.964522][T14169] RBP: 00007ffe6d02eef0 R08: 0000000000000000 R09: 0000000000000000 [ 603.964523][T14169] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915283 [ 603.964524][T14169] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6d02f660 | [ 613.143811][T14339] softirqs last disabled at (0): 0x0 | [ 613.143813][T14339] Preemption disabled at: | [ 613.143814][T14339] vprintk_emit (kernel/printk/printk.c:2471) | [ 613.143825][T14339] Tainted: [W]=WARN [ 613.143826][T14339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 613.143828][T14339] Call Trace: [ 613.143830][T14339] [ 613.143831][T14339] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 613.143837][T14339] ? vprintk_emit (kernel/printk/printk.c:2471) [ 613.143838][T14339] __might_resched.cold (kernel/sched/core.c:9234) [ 613.143843][T14339] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 613.143847][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.143850][T14339] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 613.143853][T14339] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 613.143856][T14339] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 613.143861][T14339] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 613.143864][T14339] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 613.143867][T14339] put_chars (drivers/char/virtio_console.c:1176) [ 613.143868][T14339] ? __send_to_port (drivers/char/virtio_console.c:654) [ 613.143870][T14339] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 613.143872][T14339] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 613.143875][T14339] ? pointer (lib/vsprintf.c:2577) [ 613.143878][T14339] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 613.143883][T14339] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 613.143885][T14339] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 613.143887][T14339] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 613.143890][T14339] console_emit_next_record (kernel/printk/printk.c:3183) [ 613.143893][T14339] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 613.143896][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.143897][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.143898][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.143899][T14339] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 613.143902][T14339] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 613.143904][T14339] console_flush_one_record (kernel/printk/printk.c:3268) [ 613.143906][T14339] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 613.143909][T14339] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 613.143912][T14339] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 613.143913][T14339] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 613.143915][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.143916][T14339] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 613.143918][T14339] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 613.143920][T14339] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 613.143921][T14339] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 613.143924][T14339] ? vprintk_emit (kernel/printk/printk.c:2478) [ 613.143925][T14339] vprintk_emit (kernel/printk/printk.c:2479) [ 613.143927][T14339] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 613.143929][T14339] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 613.143931][T14339] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 613.143934][T14339] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 613.143937][T14339] _printk (kernel/printk/printk.c:2504) [ 613.143940][T14339] ? snapshot_read.cold (user.c:?) [ 613.143942][T14339] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 613.143945][T14339] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 613.143948][T14339] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 613.143950][T14339] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 613.143953][T14339] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 613.143956][T14339] ? netdev_notice (net/core/dev.c:13194) [ 613.143958][T14339] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 613.143960][T14339] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 613.143963][T14339] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 613.143964][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.143966][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.143967][T14339] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 613.143968][T14339] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 613.143970][T14339] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 613.143972][T14339] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 613.143973][T14339] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 613.143975][T14339] ? register_netdev (net/core/dev.c:11618) [ 613.143977][T14339] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 613.143979][T14339] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 613.143982][T14339] ? __kernel_text_address (kernel/extable.c:79) [ 613.143985][T14339] ? write_profile (profile.c:?) [ 613.143988][T14339] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 613.143992][T14339] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 613.143994][T14339] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 613.143996][T14339] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 613.143997][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.143998][T14339] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 613.144002][T14339] ? kasan_save_stack (mm/kasan/common.c:58) [ 613.144004][T14339] ? kasan_save_stack (mm/kasan/common.c:57) [ 613.144005][T14339] ? kasan_save_track (mm/kasan/common.c:78) [ 613.144007][T14339] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 613.144008][T14339] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 613.144009][T14339] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 613.144010][T14339] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 613.144012][T14339] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 613.144015][T14339] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 613.144017][T14339] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 613.144019][T14339] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 613.144021][T14339] ? ____sys_sendmsg (net/socket.c:2713) [ 613.144023][T14339] ? ___sys_sendmsg (net/socket.c:2767) [ 613.144025][T14339] ? __sys_sendmsg (net/socket.c:2799) [ 613.144027][T14339] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 613.144029][T14339] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 613.144032][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.144033][T14339] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 613.144035][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.144036][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.144037][T14339] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 613.144039][T14339] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 613.144041][T14339] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 613.144042][T14339] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 613.144044][T14339] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 613.144045][T14339] ? nla_get_range_signed (lib/nlattr.c:270) [ 613.144058][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.144059][T14339] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 613.144062][T14339] rtnl_newlink (net/core/rtnetlink.c:4215) [ 613.144064][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.144065][T14339] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 613.144067][T14339] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 613.144068][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.144070][T14339] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 613.144073][T14339] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 613.144074][T14339] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 613.144076][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.144077][T14339] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 613.144081][T14339] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 613.144083][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.144085][T14339] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 613.144086][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.144088][T14339] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 613.144089][T14339] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 613.144091][T14339] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 613.144093][T14339] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 613.144094][T14339] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 613.144097][T14339] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 613.144099][T14339] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 613.144101][T14339] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 613.144102][T14339] ? netlink_ack (./include/linux/skbuff.h:2718) [ 613.144104][T14339] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 613.144107][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.144109][T14339] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 613.144111][T14339] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 613.144113][T14339] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 613.144115][T14339] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 613.144118][T14339] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 613.144120][T14339] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 613.144122][T14339] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 613.144124][T14339] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 613.144125][T14339] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 613.144129][T14339] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 613.144131][T14339] ____sys_sendmsg (net/socket.c:2713) [ 613.144133][T14339] ? copy_msghdr_from_user (net/socket.c:2650) [ 613.144134][T14339] ? sock_write_iter (net/socket.c:1269) [ 613.144136][T14339] ? move_addr_to_kernel (net/socket.c:258) [ 613.144138][T14339] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 613.144141][T14339] ___sys_sendmsg (net/socket.c:2767) [ 613.144143][T14339] ? copy_msghdr_from_user (net/socket.c:2619) [ 613.144148][T14339] __sys_sendmsg (net/socket.c:2799) [ 613.144150][T14339] ? __sys_sendmsg_sock (net/socket.c:2780) [ 613.144153][T14339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 613.144155][T14339] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 613.144157][T14339] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 613.144159][T14339] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 613.144161][T14339] RIP: 0033:0x7f16185b354e [ 613.144163][T14339] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 613.144165][T14339] RSP: 002b:00007fffaad787b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 613.144169][T14339] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f16185b354e [ 613.144171][T14339] RDX: 0000000000000000 RSI: 00007fffaad78860 RDI: 0000000000000005 [ 613.144172][T14339] RBP: 00007fffaad787c0 R08: 0000000000000000 R09: 0000000000000000 [ 613.144173][T14339] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91528c [ 613.144174][T14339] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffaad78f30 | [ 622.483130][T14510] softirqs last disabled at (0): 0x0 | [ 622.483132][T14510] Preemption disabled at: | [ 622.483133][T14510] vprintk_emit (kernel/printk/printk.c:2471) | [ 622.483144][T14510] Tainted: [W]=WARN [ 622.483145][T14510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 622.483147][T14510] Call Trace: [ 622.483148][T14510] [ 622.483150][T14510] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 622.483155][T14510] ? vprintk_emit (kernel/printk/printk.c:2471) [ 622.483157][T14510] __might_resched.cold (kernel/sched/core.c:9234) [ 622.483161][T14510] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 622.483164][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483167][T14510] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 622.483170][T14510] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 622.483173][T14510] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 622.483178][T14510] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 622.483180][T14510] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 622.483183][T14510] put_chars (drivers/char/virtio_console.c:1176) [ 622.483185][T14510] ? __send_to_port (drivers/char/virtio_console.c:654) [ 622.483186][T14510] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 622.483188][T14510] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 622.483191][T14510] ? pointer (lib/vsprintf.c:2577) [ 622.483194][T14510] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 622.483199][T14510] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 622.483201][T14510] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 622.483203][T14510] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 622.483206][T14510] console_emit_next_record (kernel/printk/printk.c:3183) [ 622.483209][T14510] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 622.483211][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483212][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483213][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483215][T14510] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 622.483217][T14510] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 622.483219][T14510] console_flush_one_record (kernel/printk/printk.c:3268) [ 622.483221][T14510] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 622.483224][T14510] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 622.483226][T14510] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 622.483228][T14510] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 622.483230][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483231][T14510] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 622.483233][T14510] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 622.483234][T14510] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 622.483236][T14510] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 622.483238][T14510] ? vprintk_emit (kernel/printk/printk.c:2478) [ 622.483240][T14510] vprintk_emit (kernel/printk/printk.c:2479) [ 622.483242][T14510] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 622.483243][T14510] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 622.483246][T14510] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 622.483249][T14510] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 622.483252][T14510] _printk (kernel/printk/printk.c:2504) [ 622.483255][T14510] ? snapshot_read.cold (user.c:?) [ 622.483257][T14510] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 622.483260][T14510] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 622.483263][T14510] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 622.483265][T14510] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 622.483269][T14510] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 622.483271][T14510] ? netdev_notice (net/core/dev.c:13194) [ 622.483273][T14510] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 622.483275][T14510] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 622.483278][T14510] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 622.483280][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483281][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483282][T14510] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 622.483284][T14510] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 622.483285][T14510] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 622.483287][T14510] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 622.483288][T14510] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 622.483290][T14510] ? register_netdev (net/core/dev.c:11618) [ 622.483292][T14510] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 622.483294][T14510] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 622.483297][T14510] ? __kernel_text_address (kernel/extable.c:79) [ 622.483299][T14510] ? write_profile (profile.c:?) [ 622.483303][T14510] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 622.483306][T14510] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 622.483308][T14510] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 622.483310][T14510] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 622.483311][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483313][T14510] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 622.483316][T14510] ? kasan_save_stack (mm/kasan/common.c:58) [ 622.483318][T14510] ? kasan_save_stack (mm/kasan/common.c:57) [ 622.483319][T14510] ? kasan_save_track (mm/kasan/common.c:78) [ 622.483321][T14510] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 622.483322][T14510] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 622.483323][T14510] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 622.483324][T14510] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 622.483326][T14510] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 622.483329][T14510] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 622.483331][T14510] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 622.483332][T14510] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 622.483335][T14510] ? ____sys_sendmsg (net/socket.c:2713) [ 622.483337][T14510] ? ___sys_sendmsg (net/socket.c:2767) [ 622.483338][T14510] ? __sys_sendmsg (net/socket.c:2799) [ 622.483340][T14510] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 622.483343][T14510] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 622.483346][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483347][T14510] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 622.483349][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483350][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483351][T14510] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 622.483353][T14510] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 622.483354][T14510] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 622.483356][T14510] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 622.483357][T14510] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 622.483359][T14510] ? nla_get_range_signed (lib/nlattr.c:270) [ 622.483362][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483363][T14510] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 622.483366][T14510] rtnl_newlink (net/core/rtnetlink.c:4215) [ 622.483368][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483369][T14510] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 622.483370][T14510] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 622.483372][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483374][T14510] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 622.483376][T14510] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 622.483377][T14510] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 622.483379][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483380][T14510] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 622.483384][T14510] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 622.483386][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483387][T14510] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 622.483389][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483390][T14510] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 622.483392][T14510] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 622.483394][T14510] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 622.483395][T14510] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 622.483397][T14510] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 622.483400][T14510] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 622.483402][T14510] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 622.483403][T14510] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 622.483405][T14510] ? netlink_ack (./include/linux/skbuff.h:2718) [ 622.483407][T14510] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 622.483410][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483411][T14510] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 622.483413][T14510] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 622.483416][T14510] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 622.483418][T14510] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 622.483420][T14510] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 622.483422][T14510] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 622.483424][T14510] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 622.483426][T14510] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 622.483427][T14510] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 622.483431][T14510] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 622.483433][T14510] ____sys_sendmsg (net/socket.c:2713) [ 622.483435][T14510] ? copy_msghdr_from_user (net/socket.c:2650) [ 622.483436][T14510] ? sock_write_iter (net/socket.c:1269) [ 622.483438][T14510] ? move_addr_to_kernel (net/socket.c:258) [ 622.483440][T14510] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 622.483442][T14510] ___sys_sendmsg (net/socket.c:2767) [ 622.483444][T14510] ? copy_msghdr_from_user (net/socket.c:2619) [ 622.483450][T14510] __sys_sendmsg (net/socket.c:2799) [ 622.483452][T14510] ? __sys_sendmsg_sock (net/socket.c:2780) [ 622.483455][T14510] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 622.483456][T14510] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 622.483458][T14510] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 622.483461][T14510] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 622.483462][T14510] RIP: 0033:0x7f6e4656c54e [ 622.483464][T14510] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 622.483466][T14510] RSP: 002b:00007ffd574adce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 622.483470][T14510] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6e4656c54e [ 622.483472][T14510] RDX: 0000000000000000 RSI: 00007ffd574add90 RDI: 0000000000000005 [ 622.483473][T14510] RBP: 00007ffd574adcf0 R08: 0000000000000000 R09: 0000000000000000 [ 622.483474][T14510] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915295 [ 622.483475][T14510] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd574ae460 | [ 631.872904][T14681] softirqs last disabled at (0): 0x0 | [ 631.872906][T14681] Preemption disabled at: | [ 631.872907][T14681] vprintk_emit (kernel/printk/printk.c:2471) | [ 631.872917][T14681] Tainted: [W]=WARN [ 631.872919][T14681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 631.872921][T14681] Call Trace: [ 631.872923][T14681] [ 631.872924][T14681] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 631.872930][T14681] ? vprintk_emit (kernel/printk/printk.c:2471) [ 631.872931][T14681] __might_resched.cold (kernel/sched/core.c:9234) [ 631.872935][T14681] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 631.872939][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.872942][T14681] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 631.872945][T14681] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 631.872949][T14681] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 631.872954][T14681] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 631.872956][T14681] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 631.872959][T14681] put_chars (drivers/char/virtio_console.c:1176) [ 631.872961][T14681] ? __send_to_port (drivers/char/virtio_console.c:654) [ 631.872962][T14681] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 631.872965][T14681] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 631.872967][T14681] ? pointer (lib/vsprintf.c:2577) [ 631.872971][T14681] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 631.872976][T14681] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 631.872978][T14681] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 631.872980][T14681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.872983][T14681] console_emit_next_record (kernel/printk/printk.c:3183) [ 631.872986][T14681] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 631.872988][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.872990][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.872991][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.872992][T14681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.872994][T14681] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 631.872996][T14681] console_flush_one_record (kernel/printk/printk.c:3268) [ 631.872999][T14681] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 631.873001][T14681] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 631.873004][T14681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.873005][T14681] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 631.873007][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873008][T14681] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 631.873010][T14681] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 631.873012][T14681] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 631.873013][T14681] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 631.873016][T14681] ? vprintk_emit (kernel/printk/printk.c:2478) [ 631.873017][T14681] vprintk_emit (kernel/printk/printk.c:2479) [ 631.873019][T14681] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 631.873020][T14681] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 631.873023][T14681] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 631.873026][T14681] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 631.873029][T14681] _printk (kernel/printk/printk.c:2504) [ 631.873032][T14681] ? snapshot_read.cold (user.c:?) [ 631.873034][T14681] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 631.873037][T14681] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 631.873040][T14681] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 631.873042][T14681] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 631.873046][T14681] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 631.873048][T14681] ? netdev_notice (net/core/dev.c:13194) [ 631.873051][T14681] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 631.873052][T14681] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 631.873055][T14681] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 631.873057][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873058][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873059][T14681] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 631.873061][T14681] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 631.873063][T14681] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 631.873064][T14681] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 631.873066][T14681] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 631.873068][T14681] ? register_netdev (net/core/dev.c:11618) [ 631.873069][T14681] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 631.873071][T14681] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 631.873074][T14681] ? __kernel_text_address (kernel/extable.c:79) [ 631.873077][T14681] ? write_profile (profile.c:?) [ 631.873080][T14681] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 631.873084][T14681] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 631.873086][T14681] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 631.873088][T14681] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 631.873089][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873090][T14681] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 631.873094][T14681] ? kasan_save_stack (mm/kasan/common.c:58) [ 631.873096][T14681] ? kasan_save_stack (mm/kasan/common.c:57) [ 631.873097][T14681] ? kasan_save_track (mm/kasan/common.c:78) [ 631.873098][T14681] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 631.873100][T14681] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 631.873101][T14681] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 631.873102][T14681] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 631.873104][T14681] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 631.873107][T14681] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 631.873109][T14681] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 631.873110][T14681] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 631.873113][T14681] ? ____sys_sendmsg (net/socket.c:2713) [ 631.873114][T14681] ? ___sys_sendmsg (net/socket.c:2767) [ 631.873116][T14681] ? __sys_sendmsg (net/socket.c:2799) [ 631.873118][T14681] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 631.873121][T14681] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 631.873123][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873125][T14681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.873126][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873127][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873129][T14681] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 631.873131][T14681] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 631.873132][T14681] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 631.873133][T14681] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 631.873135][T14681] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 631.873136][T14681] ? nla_get_range_signed (lib/nlattr.c:270) [ 631.873140][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873141][T14681] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 631.873143][T14681] rtnl_newlink (net/core/rtnetlink.c:4215) [ 631.873146][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873147][T14681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 631.873148][T14681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.873155][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873157][T14681] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 631.873160][T14681] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 631.873161][T14681] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 631.873163][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873164][T14681] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 631.873168][T14681] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 631.873171][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873172][T14681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.873174][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873175][T14681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 631.873177][T14681] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 631.873178][T14681] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 631.873180][T14681] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 631.873182][T14681] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 631.873184][T14681] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 631.873186][T14681] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 631.873188][T14681] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 631.873190][T14681] ? netlink_ack (./include/linux/skbuff.h:2718) [ 631.873192][T14681] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 631.873195][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873196][T14681] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 631.873198][T14681] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 631.873201][T14681] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 631.873203][T14681] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 631.873205][T14681] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 631.873207][T14681] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 631.873209][T14681] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 631.873211][T14681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.873213][T14681] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 631.873216][T14681] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 631.873218][T14681] ____sys_sendmsg (net/socket.c:2713) [ 631.873220][T14681] ? copy_msghdr_from_user (net/socket.c:2650) [ 631.873222][T14681] ? sock_write_iter (net/socket.c:1269) [ 631.873223][T14681] ? move_addr_to_kernel (net/socket.c:258) [ 631.873225][T14681] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 631.873228][T14681] ___sys_sendmsg (net/socket.c:2767) [ 631.873230][T14681] ? copy_msghdr_from_user (net/socket.c:2619) [ 631.873235][T14681] __sys_sendmsg (net/socket.c:2799) [ 631.873237][T14681] ? __sys_sendmsg_sock (net/socket.c:2780) [ 631.873240][T14681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.873242][T14681] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 631.873244][T14681] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 631.873246][T14681] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 631.873248][T14681] RIP: 0033:0x7fb8362a854e [ 631.873250][T14681] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 631.873252][T14681] RSP: 002b:00007ffc279f9b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 631.873256][T14681] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb8362a854e [ 631.873257][T14681] RDX: 0000000000000000 RSI: 00007ffc279f9c00 RDI: 0000000000000005 [ 631.873258][T14681] RBP: 00007ffc279f9b60 R08: 0000000000000000 R09: 0000000000000000 [ 631.873259][T14681] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91529f [ 631.873260][T14681] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc279fa2d0 | [ 641.142830][T14852] softirqs last disabled at (0): 0x0 | [ 641.142832][T14852] Preemption disabled at: | [ 641.142833][T14852] vprintk_emit (kernel/printk/printk.c:2471) | [ 641.142844][T14852] Tainted: [W]=WARN [ 641.142845][T14852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 641.142847][T14852] Call Trace: [ 641.142848][T14852] [ 641.142850][T14852] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 641.142856][T14852] ? vprintk_emit (kernel/printk/printk.c:2471) [ 641.142857][T14852] __might_resched.cold (kernel/sched/core.c:9234) [ 641.142861][T14852] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 641.142865][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.142868][T14852] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 641.142871][T14852] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 641.142874][T14852] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 641.142879][T14852] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 641.142881][T14852] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 641.142884][T14852] put_chars (drivers/char/virtio_console.c:1176) [ 641.142886][T14852] ? __send_to_port (drivers/char/virtio_console.c:654) [ 641.142887][T14852] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 641.142890][T14852] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 641.142892][T14852] ? pointer (lib/vsprintf.c:2577) [ 641.142896][T14852] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 641.142901][T14852] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 641.142903][T14852] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 641.142905][T14852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.142908][T14852] console_emit_next_record (kernel/printk/printk.c:3183) [ 641.142911][T14852] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 641.142913][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.142914][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.142916][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.142917][T14852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.142919][T14852] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 641.142921][T14852] console_flush_one_record (kernel/printk/printk.c:3268) [ 641.142923][T14852] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 641.142926][T14852] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 641.142929][T14852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.142930][T14852] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 641.142932][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.142933][T14852] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 641.142935][T14852] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 641.142937][T14852] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 641.142938][T14852] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 641.142941][T14852] ? vprintk_emit (kernel/printk/printk.c:2478) [ 641.142942][T14852] vprintk_emit (kernel/printk/printk.c:2479) [ 641.142944][T14852] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 641.142945][T14852] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 641.142948][T14852] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 641.142952][T14852] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 641.142954][T14852] _printk (kernel/printk/printk.c:2504) [ 641.142958][T14852] ? snapshot_read.cold (user.c:?) [ 641.142960][T14852] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 641.142962][T14852] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 641.142965][T14852] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 641.142967][T14852] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 641.142971][T14852] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 641.142973][T14852] ? netdev_notice (net/core/dev.c:13194) [ 641.142975][T14852] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 641.142977][T14852] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 641.142980][T14852] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 641.142982][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.142983][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.142984][T14852] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 641.142986][T14852] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 641.142987][T14852] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 641.142989][T14852] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 641.142991][T14852] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 641.142993][T14852] ? register_netdev (net/core/dev.c:11618) [ 641.142994][T14852] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 641.142996][T14852] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 641.142999][T14852] ? __kernel_text_address (kernel/extable.c:79) [ 641.143002][T14852] ? write_profile (profile.c:?) [ 641.143005][T14852] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 641.143009][T14852] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 641.143011][T14852] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 641.143013][T14852] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 641.143014][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.143016][T14852] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 641.143019][T14852] ? kasan_save_stack (mm/kasan/common.c:58) [ 641.143021][T14852] ? kasan_save_stack (mm/kasan/common.c:57) [ 641.143022][T14852] ? kasan_save_track (mm/kasan/common.c:78) [ 641.143023][T14852] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 641.143025][T14852] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 641.143026][T14852] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 641.143028][T14852] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 641.143029][T14852] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 641.143032][T14852] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 641.143034][T14852] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 641.143036][T14852] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 641.143038][T14852] ? ____sys_sendmsg (net/socket.c:2713) [ 641.143040][T14852] ? ___sys_sendmsg (net/socket.c:2767) [ 641.143042][T14852] ? __sys_sendmsg (net/socket.c:2799) [ 641.143043][T14852] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 641.143046][T14852] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 641.143049][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.143050][T14852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.143052][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.143053][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.143054][T14852] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 641.143056][T14852] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 641.143057][T14852] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 641.143058][T14852] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 641.143060][T14852] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 641.143061][T14852] ? nla_get_range_signed (lib/nlattr.c:270) [ 641.143065][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.143066][T14852] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 641.143068][T14852] rtnl_newlink (net/core/rtnetlink.c:4215) [ 641.143071][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.143072][T14852] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 641.143073][T14852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.143075][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.143076][T14852] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 641.143079][T14852] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 641.143080][T14852] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 641.143082][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.143083][T14852] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 641.143087][T14852] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 641.143090][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.143091][T14852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.143092][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.143094][T14852] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 641.143095][T14852] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 641.143097][T14852] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 641.143099][T14852] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 641.143100][T14852] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 641.143103][T14852] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 641.143105][T14852] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 641.143106][T14852] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 641.143108][T14852] ? netlink_ack (./include/linux/skbuff.h:2718) [ 641.143110][T14852] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 641.143113][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.143115][T14852] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 641.143117][T14852] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 641.143119][T14852] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 641.143121][T14852] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 641.143123][T14852] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 641.143126][T14852] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 641.143128][T14852] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 641.143129][T14852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.143131][T14852] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 641.143135][T14852] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 641.143137][T14852] ____sys_sendmsg (net/socket.c:2713) [ 641.143138][T14852] ? copy_msghdr_from_user (net/socket.c:2650) [ 641.143140][T14852] ? sock_write_iter (net/socket.c:1269) [ 641.143142][T14852] ? move_addr_to_kernel (net/socket.c:258) [ 641.143144][T14852] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 641.143146][T14852] ___sys_sendmsg (net/socket.c:2767) [ 641.143148][T14852] ? copy_msghdr_from_user (net/socket.c:2619) [ 641.143154][T14852] __sys_sendmsg (net/socket.c:2799) [ 641.143156][T14852] ? __sys_sendmsg_sock (net/socket.c:2780) [ 641.143159][T14852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.143160][T14852] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 641.143162][T14852] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 641.143165][T14852] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 641.143166][T14852] RIP: 0033:0x7f77fd64254e [ 641.143169][T14852] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 641.143171][T14852] RSP: 002b:00007ffd87b62710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 641.143175][T14852] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f77fd64254e [ 641.143177][T14852] RDX: 0000000000000000 RSI: 00007ffd87b627c0 RDI: 0000000000000005 [ 641.143178][T14852] RBP: 00007ffd87b62720 R08: 0000000000000000 R09: 0000000000000000 [ 641.143179][T14852] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152a8 [ 641.143179][T14852] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd87b62e90 | [ 650.285859][T15023] softirqs last disabled at (0): 0x0 | [ 650.285861][T15023] Preemption disabled at: | [ 650.285862][T15023] vprintk_emit (kernel/printk/printk.c:2471) | [ 650.285873][T15023] Tainted: [W]=WARN [ 650.285875][T15023] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 650.285877][T15023] Call Trace: [ 650.285878][T15023] [ 650.285880][T15023] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 650.285886][T15023] ? vprintk_emit (kernel/printk/printk.c:2471) [ 650.285887][T15023] __might_resched.cold (kernel/sched/core.c:9234) [ 650.285892][T15023] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 650.285896][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.285899][T15023] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 650.285902][T15023] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 650.285906][T15023] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 650.285911][T15023] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 650.285913][T15023] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 650.285916][T15023] put_chars (drivers/char/virtio_console.c:1176) [ 650.285918][T15023] ? __send_to_port (drivers/char/virtio_console.c:654) [ 650.285920][T15023] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 650.285922][T15023] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 650.285925][T15023] ? pointer (lib/vsprintf.c:2577) [ 650.285929][T15023] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 650.285934][T15023] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 650.285936][T15023] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 650.285938][T15023] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.285941][T15023] console_emit_next_record (kernel/printk/printk.c:3183) [ 650.285943][T15023] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 650.285946][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.285947][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.285948][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.285949][T15023] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.285952][T15023] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 650.285954][T15023] console_flush_one_record (kernel/printk/printk.c:3268) [ 650.285956][T15023] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 650.285959][T15023] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 650.285962][T15023] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.285963][T15023] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 650.285965][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.285967][T15023] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 650.285968][T15023] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 650.285970][T15023] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 650.285972][T15023] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 650.285974][T15023] ? vprintk_emit (kernel/printk/printk.c:2478) [ 650.285975][T15023] vprintk_emit (kernel/printk/printk.c:2479) [ 650.285977][T15023] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 650.285979][T15023] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 650.285981][T15023] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 650.285985][T15023] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 650.285988][T15023] _printk (kernel/printk/printk.c:2504) [ 650.285991][T15023] ? snapshot_read.cold (user.c:?) [ 650.285993][T15023] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 650.285995][T15023] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 650.285999][T15023] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 650.286001][T15023] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 650.286004][T15023] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 650.286007][T15023] ? netdev_notice (net/core/dev.c:13194) [ 650.286009][T15023] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 650.286011][T15023] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 650.286013][T15023] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 650.286015][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286016][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286018][T15023] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 650.286019][T15023] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 650.286021][T15023] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 650.286023][T15023] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 650.286024][T15023] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 650.286026][T15023] ? register_netdev (net/core/dev.c:11618) [ 650.286028][T15023] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 650.286030][T15023] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 650.286033][T15023] ? __kernel_text_address (kernel/extable.c:79) [ 650.286036][T15023] ? write_profile (profile.c:?) [ 650.286039][T15023] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 650.286043][T15023] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 650.286045][T15023] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 650.286047][T15023] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 650.286048][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286049][T15023] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 650.286053][T15023] ? kasan_save_stack (mm/kasan/common.c:58) [ 650.286055][T15023] ? kasan_save_stack (mm/kasan/common.c:57) [ 650.286056][T15023] ? kasan_save_track (mm/kasan/common.c:78) [ 650.286058][T15023] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 650.286059][T15023] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 650.286060][T15023] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 650.286062][T15023] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 650.286063][T15023] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 650.286067][T15023] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 650.286068][T15023] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 650.286070][T15023] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 650.286073][T15023] ? ____sys_sendmsg (net/socket.c:2713) [ 650.286075][T15023] ? ___sys_sendmsg (net/socket.c:2767) [ 650.286076][T15023] ? __sys_sendmsg (net/socket.c:2799) [ 650.286078][T15023] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 650.286081][T15023] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 650.286083][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286085][T15023] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.286087][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286088][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286089][T15023] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 650.286091][T15023] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 650.286092][T15023] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 650.286094][T15023] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 650.286095][T15023] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 650.286097][T15023] ? nla_get_range_signed (lib/nlattr.c:270) [ 650.286100][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286102][T15023] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 650.286104][T15023] rtnl_newlink (net/core/rtnetlink.c:4215) [ 650.286106][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286108][T15023] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 650.286109][T15023] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.286111][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286112][T15023] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 650.286115][T15023] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 650.286116][T15023] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 650.286118][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286119][T15023] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 650.286123][T15023] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 650.286125][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286126][T15023] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.286128][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286130][T15023] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 650.286131][T15023] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 650.286133][T15023] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 650.286134][T15023] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 650.286136][T15023] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 650.286139][T15023] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 650.286141][T15023] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 650.286142][T15023] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 650.286144][T15023] ? netlink_ack (./include/linux/skbuff.h:2718) [ 650.286146][T15023] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 650.286150][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286151][T15023] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 650.286153][T15023] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 650.286156][T15023] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 650.286158][T15023] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 650.286160][T15023] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 650.286162][T15023] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 650.286164][T15023] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 650.286166][T15023] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.286168][T15023] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 650.286172][T15023] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 650.286174][T15023] ____sys_sendmsg (net/socket.c:2713) [ 650.286176][T15023] ? copy_msghdr_from_user (net/socket.c:2650) [ 650.286178][T15023] ? sock_write_iter (net/socket.c:1269) [ 650.286179][T15023] ? move_addr_to_kernel (net/socket.c:258) [ 650.286181][T15023] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 650.286184][T15023] ___sys_sendmsg (net/socket.c:2767) [ 650.286186][T15023] ? copy_msghdr_from_user (net/socket.c:2619) [ 650.286192][T15023] __sys_sendmsg (net/socket.c:2799) [ 650.286194][T15023] ? __sys_sendmsg_sock (net/socket.c:2780) [ 650.286197][T15023] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.286199][T15023] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 650.286201][T15023] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 650.286203][T15023] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 650.286205][T15023] RIP: 0033:0x7fbed531d54e [ 650.286208][T15023] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 650.286210][T15023] RSP: 002b:00007ffe309beed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 650.286214][T15023] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbed531d54e [ 650.286215][T15023] RDX: 0000000000000000 RSI: 00007ffe309bef80 RDI: 0000000000000005 [ 650.286216][T15023] RBP: 00007ffe309beee0 R08: 0000000000000000 R09: 0000000000000000 [ 650.286217][T15023] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152b1 [ 650.286218][T15023] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe309bf650 | [ 659.670770][T15194] softirqs last disabled at (0): 0x0 | [ 659.670772][T15194] Preemption disabled at: | [ 659.670773][T15194] vprintk_emit (kernel/printk/printk.c:2471) | [ 659.670784][T15194] Tainted: [W]=WARN [ 659.670785][T15194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 659.670787][T15194] Call Trace: [ 659.670789][T15194] [ 659.670790][T15194] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 659.670795][T15194] ? vprintk_emit (kernel/printk/printk.c:2471) [ 659.670797][T15194] __might_resched.cold (kernel/sched/core.c:9234) [ 659.670801][T15194] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 659.670805][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.670808][T15194] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 659.670811][T15194] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 659.670814][T15194] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 659.670820][T15194] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 659.670822][T15194] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 659.670825][T15194] put_chars (drivers/char/virtio_console.c:1176) [ 659.670827][T15194] ? __send_to_port (drivers/char/virtio_console.c:654) [ 659.670828][T15194] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 659.670831][T15194] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 659.670833][T15194] ? pointer (lib/vsprintf.c:2577) [ 659.670837][T15194] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 659.670842][T15194] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 659.670844][T15194] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 659.670846][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.670848][T15194] console_emit_next_record (kernel/printk/printk.c:3183) [ 659.670851][T15194] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 659.670853][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.670855][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.670856][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.670857][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.670859][T15194] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 659.670861][T15194] console_flush_one_record (kernel/printk/printk.c:3268) [ 659.670864][T15194] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 659.670867][T15194] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 659.670869][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.670870][T15194] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 659.670872][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.670873][T15194] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 659.670875][T15194] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 659.670877][T15194] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 659.670878][T15194] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 659.670880][T15194] ? vprintk_emit (kernel/printk/printk.c:2478) [ 659.670882][T15194] vprintk_emit (kernel/printk/printk.c:2479) [ 659.670884][T15194] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 659.670885][T15194] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 659.670887][T15194] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 659.670890][T15194] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 659.670893][T15194] _printk (kernel/printk/printk.c:2504) [ 659.670896][T15194] ? snapshot_read.cold (user.c:?) [ 659.670898][T15194] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 659.670901][T15194] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 659.670904][T15194] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 659.670906][T15194] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 659.670909][T15194] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 659.670912][T15194] ? netdev_notice (net/core/dev.c:13194) [ 659.670914][T15194] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 659.670916][T15194] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 659.670919][T15194] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 659.670920][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.670921][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.670923][T15194] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 659.670924][T15194] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 659.670926][T15194] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 659.670927][T15194] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 659.670929][T15194] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 659.670931][T15194] ? register_netdev (net/core/dev.c:11618) [ 659.670932][T15194] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 659.670934][T15194] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 659.670937][T15194] ? __kernel_text_address (kernel/extable.c:79) [ 659.670940][T15194] ? write_profile (profile.c:?) [ 659.670943][T15194] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 659.670947][T15194] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 659.670949][T15194] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 659.670950][T15194] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 659.670952][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.670953][T15194] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 659.670956][T15194] ? kasan_save_stack (mm/kasan/common.c:58) [ 659.670958][T15194] ? kasan_save_stack (mm/kasan/common.c:57) [ 659.670960][T15194] ? kasan_save_track (mm/kasan/common.c:78) [ 659.670961][T15194] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 659.670962][T15194] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 659.670963][T15194] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 659.670965][T15194] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 659.670966][T15194] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 659.670969][T15194] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 659.670971][T15194] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 659.670973][T15194] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 659.670975][T15194] ? ____sys_sendmsg (net/socket.c:2713) [ 659.670977][T15194] ? ___sys_sendmsg (net/socket.c:2767) [ 659.670978][T15194] ? __sys_sendmsg (net/socket.c:2799) [ 659.670980][T15194] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 659.670983][T15194] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 659.670985][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.670987][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.670988][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.670989][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.670991][T15194] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 659.670992][T15194] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 659.670994][T15194] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 659.670995][T15194] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 659.670997][T15194] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 659.670998][T15194] ? nla_get_range_signed (lib/nlattr.c:270) [ 659.671001][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.671003][T15194] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 659.671005][T15194] rtnl_newlink (net/core/rtnetlink.c:4215) [ 659.671007][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.671009][T15194] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 659.671010][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.671012][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.671013][T15194] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 659.671016][T15194] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 659.671017][T15194] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 659.671019][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.671020][T15194] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 659.671023][T15194] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 659.671026][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.671027][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.671029][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.671030][T15194] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 659.671032][T15194] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 659.671033][T15194] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 659.671035][T15194] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 659.671037][T15194] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 659.671039][T15194] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 659.671041][T15194] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 659.671043][T15194] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 659.671044][T15194] ? netlink_ack (./include/linux/skbuff.h:2718) [ 659.671046][T15194] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 659.671049][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.671051][T15194] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 659.671053][T15194] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 659.671055][T15194] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 659.671057][T15194] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 659.671059][T15194] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 659.671062][T15194] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 659.671064][T15194] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 659.671065][T15194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.671067][T15194] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 659.671071][T15194] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 659.671072][T15194] ____sys_sendmsg (net/socket.c:2713) [ 659.671074][T15194] ? copy_msghdr_from_user (net/socket.c:2650) [ 659.671076][T15194] ? sock_write_iter (net/socket.c:1269) [ 659.671078][T15194] ? move_addr_to_kernel (net/socket.c:258) [ 659.671080][T15194] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 659.671082][T15194] ___sys_sendmsg (net/socket.c:2767) [ 659.671085][T15194] ? copy_msghdr_from_user (net/socket.c:2619) [ 659.671090][T15194] __sys_sendmsg (net/socket.c:2799) [ 659.671092][T15194] ? __sys_sendmsg_sock (net/socket.c:2780) [ 659.671095][T15194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.671097][T15194] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 659.671099][T15194] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 659.671101][T15194] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 659.671102][T15194] RIP: 0033:0x7facb52b454e [ 659.671105][T15194] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 659.671107][T15194] RSP: 002b:00007ffe2855da70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 659.671111][T15194] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007facb52b454e [ 659.671112][T15194] RDX: 0000000000000000 RSI: 00007ffe2855db20 RDI: 0000000000000005 [ 659.671114][T15194] RBP: 00007ffe2855da80 R08: 0000000000000000 R09: 0000000000000000 [ 659.671114][T15194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152ba [ 659.671115][T15194] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2855e1f0 | [ 668.743773][T15366] softirqs last disabled at (0): 0x0 | [ 668.743775][T15366] Preemption disabled at: | [ 668.743776][T15366] vprintk_emit (kernel/printk/printk.c:2471) | [ 668.743787][T15366] Tainted: [W]=WARN [ 668.743788][T15366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 668.743790][T15366] Call Trace: [ 668.743791][T15366] [ 668.743793][T15366] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 668.743799][T15366] ? vprintk_emit (kernel/printk/printk.c:2471) [ 668.743800][T15366] __might_resched.cold (kernel/sched/core.c:9234) [ 668.743804][T15366] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 668.743808][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.743811][T15366] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 668.743814][T15366] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 668.743817][T15366] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 668.743822][T15366] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 668.743824][T15366] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 668.743827][T15366] put_chars (drivers/char/virtio_console.c:1176) [ 668.743829][T15366] ? __send_to_port (drivers/char/virtio_console.c:654) [ 668.743830][T15366] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 668.743833][T15366] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 668.743835][T15366] ? pointer (lib/vsprintf.c:2577) [ 668.743839][T15366] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 668.743843][T15366] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 668.743845][T15366] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 668.743847][T15366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 668.743850][T15366] console_emit_next_record (kernel/printk/printk.c:3183) [ 668.743853][T15366] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 668.743855][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.743857][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.743858][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.743859][T15366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 668.743861][T15366] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 668.743863][T15366] console_flush_one_record (kernel/printk/printk.c:3268) [ 668.743866][T15366] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 668.743869][T15366] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 668.743871][T15366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 668.743872][T15366] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 668.743874][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.743875][T15366] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 668.743877][T15366] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 668.743879][T15366] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 668.743880][T15366] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 668.743883][T15366] ? vprintk_emit (kernel/printk/printk.c:2478) [ 668.743884][T15366] vprintk_emit (kernel/printk/printk.c:2479) [ 668.743886][T15366] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 668.743887][T15366] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 668.743890][T15366] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 668.743893][T15366] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 668.743896][T15366] _printk (kernel/printk/printk.c:2504) [ 668.743899][T15366] ? snapshot_read.cold (user.c:?) [ 668.743901][T15366] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 668.743903][T15366] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 668.743907][T15366] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 668.743909][T15366] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 668.743912][T15366] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 668.743914][T15366] ? netdev_notice (net/core/dev.c:13194) [ 668.743917][T15366] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 668.743919][T15366] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 668.743921][T15366] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 668.743923][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.743924][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.743926][T15366] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 668.743927][T15366] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 668.743929][T15366] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 668.743930][T15366] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 668.743932][T15366] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 668.743934][T15366] ? register_netdev (net/core/dev.c:11618) [ 668.743935][T15366] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 668.743937][T15366] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 668.743940][T15366] ? __kernel_text_address (kernel/extable.c:79) [ 668.743943][T15366] ? write_profile (profile.c:?) [ 668.743946][T15366] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 668.743950][T15366] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 668.743952][T15366] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 668.743954][T15366] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 668.743955][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.743956][T15366] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 668.743960][T15366] ? kasan_save_stack (mm/kasan/common.c:58) [ 668.743962][T15366] ? kasan_save_stack (mm/kasan/common.c:57) [ 668.743963][T15366] ? kasan_save_track (mm/kasan/common.c:78) [ 668.743964][T15366] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 668.743965][T15366] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 668.743967][T15366] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 668.743968][T15366] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 668.743969][T15366] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 668.743972][T15366] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 668.743974][T15366] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 668.743976][T15366] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 668.743979][T15366] ? ____sys_sendmsg (net/socket.c:2713) [ 668.743980][T15366] ? ___sys_sendmsg (net/socket.c:2767) [ 668.743982][T15366] ? __sys_sendmsg (net/socket.c:2799) [ 668.743984][T15366] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 668.743986][T15366] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 668.743989][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.743990][T15366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 668.743991][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.743992][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.743994][T15366] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 668.743995][T15366] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 668.743997][T15366] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 668.743998][T15366] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 668.744000][T15366] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 668.744001][T15366] ? nla_get_range_signed (lib/nlattr.c:270) [ 668.744004][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.744006][T15366] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 668.744008][T15366] rtnl_newlink (net/core/rtnetlink.c:4215) [ 668.744010][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.744012][T15366] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 668.744013][T15366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 668.744015][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.744016][T15366] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 668.744019][T15366] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 668.744020][T15366] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 668.744022][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.744023][T15366] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 668.744027][T15366] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 668.744029][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.744030][T15366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 668.744032][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.744033][T15366] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 668.744035][T15366] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 668.744037][T15366] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 668.744038][T15366] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 668.744040][T15366] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 668.744042][T15366] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 668.744044][T15366] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 668.744046][T15366] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 668.744048][T15366] ? netlink_ack (./include/linux/skbuff.h:2718) [ 668.744049][T15366] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 668.744053][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.744054][T15366] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 668.744056][T15366] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 668.744059][T15366] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 668.744061][T15366] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 668.744063][T15366] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 668.744065][T15366] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 668.744067][T15366] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 668.744069][T15366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 668.744070][T15366] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 668.744074][T15366] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 668.744076][T15366] ____sys_sendmsg (net/socket.c:2713) [ 668.744078][T15366] ? copy_msghdr_from_user (net/socket.c:2650) [ 668.744079][T15366] ? sock_write_iter (net/socket.c:1269) [ 668.744081][T15366] ? move_addr_to_kernel (net/socket.c:258) [ 668.744083][T15366] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 668.744086][T15366] ___sys_sendmsg (net/socket.c:2767) [ 668.744088][T15366] ? copy_msghdr_from_user (net/socket.c:2619) [ 668.744093][T15366] __sys_sendmsg (net/socket.c:2799) [ 668.744095][T15366] ? __sys_sendmsg_sock (net/socket.c:2780) [ 668.744098][T15366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 668.744100][T15366] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 668.744102][T15366] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 668.744104][T15366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 668.744106][T15366] RIP: 0033:0x7f3b1847054e [ 668.744108][T15366] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 668.744110][T15366] RSP: 002b:00007ffea5e0b4b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 668.744114][T15366] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3b1847054e [ 668.744116][T15366] RDX: 0000000000000000 RSI: 00007ffea5e0b560 RDI: 0000000000000005 [ 668.744117][T15366] RBP: 00007ffea5e0b4c0 R08: 0000000000000000 R09: 0000000000000000 [ 668.744118][T15366] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152c4 [ 668.744119][T15366] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea5e0bc30 | [ 677.797183][T15538] softirqs last disabled at (0): 0x0 | [ 677.797185][T15538] Preemption disabled at: | [ 677.797185][T15538] vprintk_emit (kernel/printk/printk.c:2471) | [ 677.797196][T15538] Tainted: [W]=WARN [ 677.797197][T15538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 677.797199][T15538] Call Trace: [ 677.797201][T15538] [ 677.797202][T15538] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 677.797208][T15538] ? vprintk_emit (kernel/printk/printk.c:2471) [ 677.797210][T15538] __might_resched.cold (kernel/sched/core.c:9234) [ 677.797214][T15538] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 677.797218][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797221][T15538] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 677.797224][T15538] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 677.797227][T15538] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 677.797232][T15538] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 677.797234][T15538] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 677.797237][T15538] put_chars (drivers/char/virtio_console.c:1176) [ 677.797239][T15538] ? __send_to_port (drivers/char/virtio_console.c:654) [ 677.797240][T15538] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 677.797243][T15538] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 677.797245][T15538] ? pointer (lib/vsprintf.c:2577) [ 677.797249][T15538] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 677.797254][T15538] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 677.797256][T15538] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 677.797258][T15538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.797261][T15538] console_emit_next_record (kernel/printk/printk.c:3183) [ 677.797264][T15538] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 677.797266][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797267][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797268][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797270][T15538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.797272][T15538] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 677.797274][T15538] console_flush_one_record (kernel/printk/printk.c:3268) [ 677.797276][T15538] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 677.797279][T15538] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 677.797281][T15538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.797283][T15538] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 677.797285][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797286][T15538] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 677.797288][T15538] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 677.797290][T15538] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 677.797291][T15538] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 677.797293][T15538] ? vprintk_emit (kernel/printk/printk.c:2478) [ 677.797295][T15538] vprintk_emit (kernel/printk/printk.c:2479) [ 677.797297][T15538] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 677.797298][T15538] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 677.797301][T15538] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 677.797304][T15538] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 677.797306][T15538] _printk (kernel/printk/printk.c:2504) [ 677.797310][T15538] ? snapshot_read.cold (user.c:?) [ 677.797312][T15538] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 677.797314][T15538] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 677.797318][T15538] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 677.797320][T15538] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 677.797323][T15538] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 677.797326][T15538] ? netdev_notice (net/core/dev.c:13194) [ 677.797328][T15538] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 677.797330][T15538] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 677.797333][T15538] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 677.797335][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797336][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797337][T15538] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 677.797339][T15538] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 677.797340][T15538] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 677.797342][T15538] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 677.797343][T15538] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 677.797345][T15538] ? register_netdev (net/core/dev.c:11618) [ 677.797346][T15538] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 677.797349][T15538] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 677.797352][T15538] ? __kernel_text_address (kernel/extable.c:79) [ 677.797354][T15538] ? write_profile (profile.c:?) [ 677.797357][T15538] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 677.797361][T15538] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 677.797363][T15538] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 677.797365][T15538] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 677.797366][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797367][T15538] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 677.797371][T15538] ? kasan_save_stack (mm/kasan/common.c:58) [ 677.797373][T15538] ? kasan_save_stack (mm/kasan/common.c:57) [ 677.797375][T15538] ? kasan_save_track (mm/kasan/common.c:78) [ 677.797376][T15538] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 677.797377][T15538] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 677.797378][T15538] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 677.797380][T15538] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 677.797381][T15538] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 677.797384][T15538] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 677.797386][T15538] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 677.797388][T15538] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 677.797390][T15538] ? ____sys_sendmsg (net/socket.c:2713) [ 677.797392][T15538] ? ___sys_sendmsg (net/socket.c:2767) [ 677.797393][T15538] ? __sys_sendmsg (net/socket.c:2799) [ 677.797395][T15538] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 677.797398][T15538] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 677.797401][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797402][T15538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.797403][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797405][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797406][T15538] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 677.797407][T15538] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 677.797409][T15538] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 677.797410][T15538] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 677.797412][T15538] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 677.797413][T15538] ? nla_get_range_signed (lib/nlattr.c:270) [ 677.797416][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797418][T15538] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 677.797420][T15538] rtnl_newlink (net/core/rtnetlink.c:4215) [ 677.797422][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797423][T15538] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 677.797425][T15538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.797426][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797437][T15538] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 677.797439][T15538] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 677.797441][T15538] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 677.797442][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797444][T15538] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 677.797447][T15538] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 677.797450][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797451][T15538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.797453][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797454][T15538] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 677.797456][T15538] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 677.797458][T15538] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 677.797459][T15538] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 677.797461][T15538] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 677.797464][T15538] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 677.797465][T15538] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 677.797467][T15538] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 677.797469][T15538] ? netlink_ack (./include/linux/skbuff.h:2718) [ 677.797471][T15538] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 677.797474][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797475][T15538] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 677.797477][T15538] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 677.797480][T15538] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 677.797482][T15538] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 677.797484][T15538] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 677.797486][T15538] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 677.797488][T15538] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 677.797490][T15538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.797492][T15538] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 677.797495][T15538] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 677.797497][T15538] ____sys_sendmsg (net/socket.c:2713) [ 677.797499][T15538] ? copy_msghdr_from_user (net/socket.c:2650) [ 677.797501][T15538] ? sock_write_iter (net/socket.c:1269) [ 677.797502][T15538] ? move_addr_to_kernel (net/socket.c:258) [ 677.797504][T15538] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 677.797507][T15538] ___sys_sendmsg (net/socket.c:2767) [ 677.797509][T15538] ? copy_msghdr_from_user (net/socket.c:2619) [ 677.797514][T15538] __sys_sendmsg (net/socket.c:2799) [ 677.797516][T15538] ? __sys_sendmsg_sock (net/socket.c:2780) [ 677.797519][T15538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.797521][T15538] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 677.797523][T15538] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 677.797525][T15538] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 677.797527][T15538] RIP: 0033:0x7f07dcaef54e [ 677.797529][T15538] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 677.797531][T15538] RSP: 002b:00007ffc9601d5f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 677.797535][T15538] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f07dcaef54e [ 677.797536][T15538] RDX: 0000000000000000 RSI: 00007ffc9601d6a0 RDI: 0000000000000005 [ 677.797537][T15538] RBP: 00007ffc9601d600 R08: 0000000000000000 R09: 0000000000000000 [ 677.797538][T15538] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152cd Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars