====================================== | [ 11.333795][ T215] softirqs last disabled at (22497): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.333798][ T215] Preemption disabled at: | [ 11.333799][ T215] 0x0 | [ 11.333812][ T215] Tainted: [W]=WARN [ 11.333813][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.333816][ T215] Call Trace: [ 11.333818][ T215] [ 11.333820][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.333829][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 11.333835][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.333841][ T215] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.333847][ T215] __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)) [ 11.333851][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.333860][ T215] ? 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) [ 11.333864][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.333870][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 11.333874][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.333876][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.333881][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.333891][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.333903][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.333907][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.333910][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.333917][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.333924][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.333926][ T215] ? 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)) [ 11.333932][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.333935][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.333942][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.333949][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.333952][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.333962][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.333966][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.333969][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.333972][ T215] ? 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) [ 11.333979][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.333982][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.333987][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 11.333992][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.333997][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.334004][ T215] _printk (kernel/printk/printk.c:2504) [ 11.334009][ T215] ? snapshot_read.cold (user.c:?) [ 11.334014][ T215] ? 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) [ 11.334018][ T215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.334025][ T215] ? 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) [ 11.334029][ T215] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.334035][ T215] ? exit_notify (kernel/exit.c:780) [ 11.334037][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.334042][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.334048][ T215] do_group_exit (kernel/exit.c:1151) [ 11.334053][ T215] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.334056][ T215] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.334060][ T215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.334065][ T215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.334070][ T215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.334074][ T215] RIP: 0033:0x7fa6eea791b8 [ 11.334077][ T215] Code: Unable to access opcode bytes at 0x7fa6eea7918e. Code starting with the faulting instruction =========================================== [ 11.334078][ T215] RSP: 002b:00007ffdb2f968d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.334082][ T215] RAX: ffffffffffffffda RBX: 00007fa6eeba9f88 RCX: 00007fa6eea791b8 [ 11.334085][ T215] RDX: 00007fa6ee7c3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.334086][ T215] RBP: 00007ffdb2f96930 R08: 0000000000000000 R09: 0000000000000050 [ 11.334088][ T215] R10: 00007ffdb2f966f0 R11: 0000000000000246 R12: 0000000000000001 [ 11.334089][ T215] R13: 0000000000000000 R14: 00007fa6eeba8680 R15: 00007fa6eeba9fa0 | [ 12.968288][ T276] softirqs last disabled at (13400): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 12.968292][ T276] Preemption disabled at: | [ 12.968292][ T276] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.968302][ T276] Tainted: [W]=WARN [ 12.968303][ T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.968305][ T276] Call Trace: [ 12.968307][ T276] [ 12.968309][ T276] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.968314][ T276] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.968316][ T276] __might_resched.cold (kernel/sched/core.c:9234) [ 12.968321][ T276] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.968326][ T276] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.968330][ T276] __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)) [ 12.968332][ T276] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.968339][ T276] ? 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) [ 12.968341][ T276] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.968345][ T276] put_chars (drivers/char/virtio_console.c:1176) [ 12.968348][ T276] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.968354][ T276] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.968362][ T276] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.968365][ T276] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.968370][ T276] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.968374][ T276] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.968375][ T276] ? 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)) [ 12.968379][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.968382][ T276] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.968386][ T276] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.968390][ T276] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.968392][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.968397][ T276] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.968400][ T276] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.968402][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.968404][ T276] ? 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) [ 12.968408][ T276] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.968410][ T276] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.968413][ T276] vprintk_emit (kernel/printk/printk.c:2479) [ 12.968416][ T276] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.968418][ T276] ? save_trace (kernel/locking/lockdep.c:589) [ 12.968425][ T276] _printk (kernel/printk/printk.c:2504) [ 12.968430][ T276] ? snapshot_read.cold (user.c:?) [ 12.968434][ T276] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.968436][ T276] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.968440][ T276] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.968443][ T276] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.968445][ T276] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.968448][ T276] ? netdev_notice (net/core/dev.c:13194) [ 12.968451][ T276] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.968454][ T276] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.968456][ T276] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.968460][ T276] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.968462][ T276] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 12.968464][ T276] ? 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)) [ 12.968470][ T276] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 12.968473][ T276] ? __kernel_text_address (kernel/extable.c:79) [ 12.968475][ T276] ? write_profile (profile.c:?) [ 12.968480][ T276] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.968485][ T276] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.968488][ T276] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.968491][ T276] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.968492][ T276] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.968495][ T276] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.968499][ T276] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.968501][ T276] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.968503][ T276] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.968506][ T276] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.968508][ T276] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.968509][ T276] ? kasan_save_track (mm/kasan/common.c:78) [ 12.968510][ T276] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 12.968513][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.968515][ T276] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 12.968518][ T276] ? ___sys_sendmsg (net/socket.c:2758) [ 12.968522][ T276] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.968524][ T276] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.968527][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.968528][ T276] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.968530][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.968531][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.968533][ T276] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.968535][ T276] ? __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) [ 12.968538][ T276] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.968540][ T276] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.968543][ T276] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.968544][ T276] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.968550][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.968552][ T276] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.968557][ T276] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.968563][ T276] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.968564][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.968569][ T276] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.968571][ T276] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.968573][ T276] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.968575][ T276] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.968579][ T276] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.968581][ T276] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.968584][ T276] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.968586][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.968590][ T276] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.968592][ T276] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.968596][ T276] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.968599][ T276] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.968602][ T276] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.968609][ T276] ? 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)) [ 12.968611][ T276] ? 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)) [ 12.968616][ T276] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.968620][ T276] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.968622][ T276] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.968627][ T276] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.968631][ T276] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.968635][ T276] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.968637][ T276] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 12.968642][ T276] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 12.968645][ T276] ____sys_sendmsg (net/socket.c:2713) [ 12.968647][ T276] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.968650][ T276] ? sock_write_iter (net/socket.c:1269) [ 12.968651][ T276] ? move_addr_to_kernel (net/socket.c:258) [ 12.968659][ T276] ___sys_sendmsg (net/socket.c:2767) [ 12.968662][ T276] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.968678][ T276] __sys_sendmsg (net/socket.c:2799) [ 12.968681][ T276] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.968687][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.968690][ T276] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.968694][ T276] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.968697][ T276] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.968699][ T276] RIP: 0033:0x7f7d440cf54e [ 12.968703][ T276] 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 [ 12.968705][ T276] RSP: 002b:00007ffd140c9680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.968708][ T276] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7d440cf54e [ 12.968709][ T276] RDX: 0000000000000000 RSI: 00007ffd140c9730 RDI: 0000000000000005 [ 12.968710][ T276] RBP: 00007ffd140c9690 R08: 0000000000000000 R09: 0000000000000000 [ 12.968711][ T276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db3d [ 12.968712][ T276] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd140c9e00 | [ 24.826954][ T537] softirqs last disabled at (21451): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 24.826956][ T537] Preemption disabled at: | [ 24.826957][ T537] vprintk_emit (kernel/printk/printk.c:2471) | [ 24.826966][ T537] Tainted: [W]=WARN [ 24.826967][ T537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.826969][ T537] Call Trace: [ 24.826970][ T537] [ 24.826972][ T537] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.826978][ T537] ? vprintk_emit (kernel/printk/printk.c:2471) [ 24.826980][ T537] __might_resched.cold (kernel/sched/core.c:9234) [ 24.826984][ T537] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.826988][ T537] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.826993][ T537] __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)) [ 24.826995][ T537] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.827002][ T537] ? 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) [ 24.827004][ T537] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.827008][ T537] put_chars (drivers/char/virtio_console.c:1176) [ 24.827011][ T537] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.827012][ T537] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.827016][ T537] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.827022][ T537] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.827030][ T537] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.827033][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.827035][ T537] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.827039][ T537] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.827044][ T537] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.827046][ T537] ? 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)) [ 24.827049][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.827051][ T537] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.827055][ T537] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.827060][ T537] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.827062][ T537] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.827067][ T537] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.827070][ T537] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.827072][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.827074][ T537] ? 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) [ 24.827078][ T537] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.827080][ T537] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.827083][ T537] vprintk_emit (kernel/printk/printk.c:2479) [ 24.827086][ T537] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.827088][ T537] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.827090][ T537] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 24.827094][ T537] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 24.827098][ T537] _printk (kernel/printk/printk.c:2504) [ 24.827102][ T537] ? snapshot_read.cold (user.c:?) [ 24.827106][ T537] ? br_multicast_flood (??:?) [ 24.827109][ T537] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 24.827111][ T537] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 24.827112][ T537] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 24.827117][ T537] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 24.827121][ T537] br_init_port (net/bridge/br_stp_if.c:39) [ 24.827124][ T537] new_nbp (net/bridge/br_if.c:449) [ 24.827128][ T537] br_add_if (net/bridge/br_if.c:592) [ 24.827131][ T537] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 24.827135][ T537] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 24.827140][ T537] do_set_master (net/core/rtnetlink.c:3071) [ 24.827144][ T537] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 24.827148][ T537] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 24.827151][ T537] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 24.827153][ T537] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 24.827155][ T537] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 24.827159][ T537] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.827161][ T537] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.827163][ T537] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.827166][ T537] ? kasan_save_stack (mm/kasan/common.c:58) [ 24.827168][ T537] ? kasan_save_stack (mm/kasan/common.c:57) [ 24.827169][ T537] ? kasan_save_track (mm/kasan/common.c:78) [ 24.827171][ T537] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 24.827173][ T537] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.827175][ T537] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 24.827178][ T537] ? ___sys_sendmsg (net/socket.c:2758) [ 24.827182][ T537] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.827185][ T537] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 24.827187][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.827189][ T537] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.827191][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.827192][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.827194][ T537] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 24.827197][ T537] ? __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) [ 24.827203][ T537] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 24.827205][ T537] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 24.827209][ T537] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 24.827210][ T537] ? nla_get_range_signed (lib/nlattr.c:270) [ 24.827215][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.827218][ T537] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 24.827223][ T537] rtnl_newlink (net/core/rtnetlink.c:4215) [ 24.827229][ T537] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.827231][ T537] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.827236][ T537] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.827238][ T537] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.827240][ T537] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.827242][ T537] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.827246][ T537] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.827248][ T537] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 24.827251][ T537] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.827252][ T537] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.827257][ T537] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.827259][ T537] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.827263][ T537] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 24.827266][ T537] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.827269][ T537] ? netlink_ack (./include/linux/skbuff.h:2718) [ 24.827276][ T537] ? 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)) [ 24.827278][ T537] ? 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)) [ 24.827282][ T537] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 24.827286][ T537] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.827289][ T537] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.827294][ T537] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 24.827298][ T537] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.827302][ T537] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.827304][ T537] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 24.827310][ T537] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 24.827313][ T537] ____sys_sendmsg (net/socket.c:2713) [ 24.827315][ T537] ? copy_msghdr_from_user (net/socket.c:2650) [ 24.827318][ T537] ? sock_write_iter (net/socket.c:1269) [ 24.827320][ T537] ? move_addr_to_kernel (net/socket.c:258) [ 24.827327][ T537] ___sys_sendmsg (net/socket.c:2767) [ 24.827330][ T537] ? copy_msghdr_from_user (net/socket.c:2619) [ 24.827347][ T537] __sys_sendmsg (net/socket.c:2799) [ 24.827350][ T537] ? __sys_sendmsg_sock (net/socket.c:2780) [ 24.827357][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.827360][ T537] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.827363][ T537] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.827366][ T537] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.827368][ T537] RIP: 0033:0x7f282264454e [ 24.827372][ T537] 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 [ 24.827374][ T537] RSP: 002b:00007fff15fa2000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.827377][ T537] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f282264454e [ 24.827379][ T537] RDX: 0000000000000000 RSI: 00007fff15fa20b0 RDI: 0000000000000005 [ 24.827379][ T537] RBP: 00007fff15fa2010 R08: 0000000000000000 R09: 0000000000000000 [ 24.827380][ T537] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db49 [ 24.827381][ T537] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff15fa2780 | [ 26.538582][ T621] softirqs last disabled at (21500): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 26.538585][ T621] Preemption disabled at: | [ 26.538586][ T621] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.538595][ T621] Tainted: [W]=WARN [ 26.538596][ T621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.538598][ T621] Call Trace: [ 26.538599][ T621] [ 26.538601][ T621] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.538607][ T621] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.538609][ T621] __might_resched.cold (kernel/sched/core.c:9234) [ 26.538613][ T621] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.538618][ T621] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.538622][ T621] __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)) [ 26.538624][ T621] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.538631][ T621] ? 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) [ 26.538633][ T621] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.538637][ T621] put_chars (drivers/char/virtio_console.c:1176) [ 26.538639][ T621] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.538641][ T621] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.538644][ T621] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.538650][ T621] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.538658][ T621] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.538661][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.538663][ T621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.538667][ T621] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.538671][ T621] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.538673][ T621] ? 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)) [ 26.538676][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.538678][ T621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.538682][ T621] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.538686][ T621] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.538688][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.538693][ T621] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.538696][ T621] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.538698][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.538700][ T621] ? 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) [ 26.538704][ T621] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.538706][ T621] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.538708][ T621] vprintk_emit (kernel/printk/printk.c:2479) [ 26.538712][ T621] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.538714][ T621] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.538717][ T621] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.538720][ T621] _printk (kernel/printk/printk.c:2504) [ 26.538724][ T621] ? snapshot_read.cold (user.c:?) [ 26.538727][ T621] ? br_multicast_flood (??:?) [ 26.538731][ T621] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.538732][ T621] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.538733][ T621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.538738][ T621] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 26.538742][ T621] br_init_port (net/bridge/br_stp_if.c:39) [ 26.538744][ T621] new_nbp (net/bridge/br_if.c:449) [ 26.538748][ T621] br_add_if (net/bridge/br_if.c:592) [ 26.538751][ T621] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 26.538754][ T621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 26.538760][ T621] do_set_master (net/core/rtnetlink.c:3071) [ 26.538763][ T621] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.538767][ T621] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 26.538770][ T621] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 26.538771][ T621] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 26.538774][ T621] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 26.538778][ T621] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.538780][ T621] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.538782][ T621] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.538784][ T621] ? kasan_save_stack (mm/kasan/common.c:58) [ 26.538786][ T621] ? kasan_save_stack (mm/kasan/common.c:57) [ 26.538787][ T621] ? kasan_save_track (mm/kasan/common.c:78) [ 26.538791][ T621] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 26.538793][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.538795][ T621] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 26.538798][ T621] ? ___sys_sendmsg (net/socket.c:2758) [ 26.538802][ T621] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.538804][ T621] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.538806][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.538808][ T621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.538810][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.538811][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.538813][ T621] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 26.538815][ T621] ? __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) [ 26.538817][ T621] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 26.538819][ T621] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.538823][ T621] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 26.538824][ T621] ? nla_get_range_signed (lib/nlattr.c:270) [ 26.538829][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.538831][ T621] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 26.538837][ T621] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.538842][ T621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.538844][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.538848][ T621] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.538850][ T621] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.538853][ T621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.538854][ T621] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.538858][ T621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.538860][ T621] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.538863][ T621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.538864][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.538869][ T621] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.538871][ T621] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.538874][ T621] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.538877][ T621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.538880][ T621] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.538887][ T621] ? 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)) [ 26.538889][ T621] ? 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)) [ 26.538894][ T621] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.538897][ T621] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.538900][ T621] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.538904][ T621] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.538908][ T621] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.538912][ T621] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.538914][ T621] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 26.538919][ T621] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.538922][ T621] ____sys_sendmsg (net/socket.c:2713) [ 26.538924][ T621] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.538927][ T621] ? sock_write_iter (net/socket.c:1269) [ 26.538928][ T621] ? move_addr_to_kernel (net/socket.c:258) [ 26.538936][ T621] ___sys_sendmsg (net/socket.c:2767) [ 26.538939][ T621] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.538955][ T621] __sys_sendmsg (net/socket.c:2799) [ 26.538957][ T621] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.538964][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.538967][ T621] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.538970][ T621] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.538973][ T621] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.538975][ T621] RIP: 0033:0x7f9c70b4154e [ 26.538979][ T621] 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 [ 26.538981][ T621] RSP: 002b:00007ffda1ef2140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.538984][ T621] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9c70b4154e [ 26.538985][ T621] RDX: 0000000000000000 RSI: 00007ffda1ef21f0 RDI: 0000000000000005 [ 26.538986][ T621] RBP: 00007ffda1ef2150 R08: 0000000000000000 R09: 0000000000000000 [ 26.538987][ T621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db4a [ 26.538988][ T621] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda1ef28c0 | [ 26.568362][ C0] | [ 26.568362][ C0] | [ 26.568362][ C0] stack backtrace: | [ 26.568371][ C0] Tainted: [W]=WARN [ 26.568373][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.568376][ C0] Call Trace: [ 26.568378][ C0] [ 26.568379][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.568385][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 26.568389][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 26.568391][ C0] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 26.568396][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 26.568399][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 26.568402][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 26.568405][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.568408][ C0] ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 26.568411][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.568414][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.568417][ C0] console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 26.568420][ C0] ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 26.568422][ C0] vprintk_emit (kernel/printk/printk.c:2478) [ 26.568425][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.568428][ 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)) [ 26.568431][ C0] _printk (kernel/printk/printk.c:2504) [ 26.568434][ C0] ? snapshot_read.cold (user.c:?) [ 26.568436][ 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)) [ 26.568439][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.568443][ 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)) [ 26.568445][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 26.568448][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 26.568450][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 26.568454][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 26.568456][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 26.568460][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.568463][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.568465][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.568468][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 26.568471][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 26.568475][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 26.568477][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.568482][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.568486][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 26.568489][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 26.568492][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.568496][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.568498][ C0] handle_softirqs (kernel/softirq.c:645) [ 26.568501][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.568503][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 26.568507][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 26.568509][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 26.568512][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 26.568514][ C0] [ 26.568515][ C0] [ 26.568516][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 26.568518][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 26.568521][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 26.568524][ C0] Code: 48 8b 3d 94 92 68 02 e8 1f 00 00 00 48 2b 05 58 e3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 16 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 92 68 02 mov 0x2689294(%rip),%rdi # 0x268929b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 e3 a0 00 sub 0xa0e358(%rip),%rax # 0xa0e36b 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 16 0e 00 verw 0xe1613(%rip) # 0xe163b 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 [ 26.568527][ C0] RSP: 0018:ffffffffb1c07cf8 EFLAGS: 00000296 [ 26.568530][ C0] RAX: 00000000000ffbf7 RBX: ffffffffb1c30600 RCX: ffffffffae306247 [ 26.568532][ C0] RDX: ffffffffb1c30600 RSI: ffffffffb1511042 RDI: ffffffffb0e949e0 [ 26.568533][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.568535][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6380fa2 [ 26.568536][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 26.568539][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 26.568543][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 26.568545][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 26.568547][ C0] default_idle_call (kernel/sched/idle.c:122) [ 26.568549][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 26.568552][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 26.568554][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 26.568558][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.568560][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.568562][ C0] do_idle (kernel/sched/idle.c:355) [ 26.568564][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 26.568567][ C0] rest_init (init/main.c:727) [ 26.568569][ C0] ? __cpuidle_text_end (??:?) [ 26.568573][ C0] ? rest_init (init/main.c:727) [ 26.568576][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 26.568581][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 26.568583][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 26.568586][ C0] start_kernel (init/main.c:1185) [ 26.568589][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 26.568592][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 26.568595][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 27.688619][ T691] softirqs last disabled at (0): 0x0 | [ 27.688621][ T691] Preemption disabled at: | [ 27.688621][ T691] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.688632][ T691] Tainted: [W]=WARN [ 27.688633][ T691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.688635][ T691] Call Trace: [ 27.688636][ T691] [ 27.688638][ T691] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.688643][ T691] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.688645][ T691] __might_resched.cold (kernel/sched/core.c:9234) [ 27.688649][ T691] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.688652][ T691] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 27.688655][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688658][ T691] __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)) [ 27.688661][ T691] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.688664][ T691] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.688669][ T691] ? 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) [ 27.688671][ T691] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.688674][ T691] put_chars (drivers/char/virtio_console.c:1176) [ 27.688676][ T691] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.688678][ T691] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 27.688681][ T691] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.688686][ T691] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.688688][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688689][ T691] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.688692][ T691] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.688695][ T691] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.688697][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688699][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688700][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688701][ T691] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.688703][ T691] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 27.688705][ T691] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.688707][ T691] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.688710][ T691] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.688712][ T691] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.688714][ T691] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.688715][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688716][ T691] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.688718][ T691] ? 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) [ 27.688719][ T691] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 27.688721][ T691] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.688723][ T691] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.688724][ T691] vprintk_emit (kernel/printk/printk.c:2479) [ 27.688726][ T691] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.688727][ T691] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.688729][ T691] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 27.688732][ T691] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.688734][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688735][ T691] _printk (kernel/printk/printk.c:2504) [ 27.688738][ T691] ? snapshot_read.cold (user.c:?) [ 27.688740][ T691] ? br_multicast_flood (??:?) [ 27.688744][ T691] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 27.688746][ T691] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 27.688748][ T691] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 27.688750][ T691] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 27.688752][ T691] br_init_port (net/bridge/br_stp_if.c:39) [ 27.688754][ T691] new_nbp (net/bridge/br_if.c:449) [ 27.688756][ T691] br_add_if (net/bridge/br_if.c:592) [ 27.688758][ T691] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 27.688761][ T691] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 27.688762][ T691] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 27.688765][ T691] do_set_master (net/core/rtnetlink.c:3071) [ 27.688767][ T691] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 27.688769][ T691] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 27.688771][ T691] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 27.688772][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688773][ T691] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 27.688777][ T691] ? kasan_save_stack (mm/kasan/common.c:58) [ 27.688778][ T691] ? kasan_save_stack (mm/kasan/common.c:57) [ 27.688779][ T691] ? kasan_save_track (mm/kasan/common.c:78) [ 27.688781][ T691] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 27.688782][ T691] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 27.688783][ T691] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 27.688784][ T691] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 27.688785][ T691] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 27.688788][ T691] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 27.688792][ T691] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 27.688793][ T691] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 27.688796][ T691] ? ____sys_sendmsg (net/socket.c:2713) [ 27.688798][ T691] ? ___sys_sendmsg (net/socket.c:2767) [ 27.688799][ T691] ? __sys_sendmsg (net/socket.c:2799) [ 27.688801][ T691] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.688804][ T691] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.688807][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688808][ T691] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.688810][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688811][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688812][ T691] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 27.688813][ T691] ? __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) [ 27.688815][ T691] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 27.688816][ T691] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 27.688818][ T691] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 27.688819][ T691] ? nla_get_range_signed (lib/nlattr.c:270) [ 27.688823][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688824][ T691] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 27.688826][ T691] rtnl_newlink (net/core/rtnetlink.c:4215) [ 27.688828][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688829][ T691] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.688830][ T691] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.688832][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688833][ T691] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 27.688834][ T691] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 27.688836][ T691] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 27.688837][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688838][ T691] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 27.688841][ T691] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 27.688844][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688845][ T691] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.688846][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688848][ T691] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.688849][ T691] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 27.688850][ T691] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.688852][ T691] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 27.688853][ T691] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 27.688856][ T691] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 27.688857][ T691] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.688859][ T691] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.688860][ T691] ? netlink_ack (./include/linux/skbuff.h:2718) [ 27.688862][ T691] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 27.688865][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688867][ T691] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.688869][ T691] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 27.688871][ T691] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 27.688873][ T691] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.688875][ T691] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 27.688877][ T691] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 27.688878][ T691] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 27.688880][ T691] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.688882][ T691] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 27.688885][ T691] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 27.688887][ T691] ____sys_sendmsg (net/socket.c:2713) [ 27.688889][ T691] ? copy_msghdr_from_user (net/socket.c:2650) [ 27.688891][ T691] ? sock_write_iter (net/socket.c:1269) [ 27.688892][ T691] ? move_addr_to_kernel (net/socket.c:258) [ 27.688894][ T691] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 27.688896][ T691] ___sys_sendmsg (net/socket.c:2767) [ 27.688898][ T691] ? copy_msghdr_from_user (net/socket.c:2619) [ 27.688903][ T691] __sys_sendmsg (net/socket.c:2799) [ 27.688905][ T691] ? __sys_sendmsg_sock (net/socket.c:2780) [ 27.688908][ T691] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.688910][ T691] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.688912][ T691] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.688914][ T691] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.688915][ T691] RIP: 0033:0x7f29d5ddc54e [ 27.688917][ T691] 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 [ 27.688919][ T691] RSP: 002b:00007ffc753e1260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 27.688923][ T691] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f29d5ddc54e [ 27.688924][ T691] RDX: 0000000000000000 RSI: 00007ffc753e1310 RDI: 0000000000000005 [ 27.688925][ T691] RBP: 00007ffc753e1270 R08: 0000000000000000 R09: 0000000000000000 [ 27.688926][ T691] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db4b [ 27.688927][ T691] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc753e19e0 | [ 28.817880][ T772] softirqs last disabled at (0): 0x0 | [ 28.817881][ T772] Preemption disabled at: | [ 28.817882][ T772] vprintk_emit (kernel/printk/printk.c:2471) | [ 28.817891][ T772] Tainted: [W]=WARN [ 28.817892][ T772] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.817894][ T772] Call Trace: [ 28.817896][ T772] [ 28.817897][ T772] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.817902][ T772] ? vprintk_emit (kernel/printk/printk.c:2471) [ 28.817904][ T772] __might_resched.cold (kernel/sched/core.c:9234) [ 28.817907][ T772] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.817910][ T772] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 28.817914][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.817917][ T772] __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)) [ 28.817919][ T772] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.817922][ T772] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.817927][ T772] ? 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) [ 28.817928][ T772] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.817931][ T772] put_chars (drivers/char/virtio_console.c:1176) [ 28.817932][ T772] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.817934][ T772] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 28.817937][ T772] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.817941][ T772] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.817943][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.817944][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.817947][ T772] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.817949][ T772] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.817951][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.817952][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.817953][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.817954][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.817956][ T772] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 28.817958][ T772] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.817960][ T772] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.817963][ T772] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.817965][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.817966][ T772] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.817968][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.817969][ T772] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 28.817970][ T772] ? 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) [ 28.817972][ T772] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 28.817973][ T772] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.817975][ T772] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.817976][ T772] vprintk_emit (kernel/printk/printk.c:2479) [ 28.817978][ T772] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.817979][ T772] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.817981][ T772] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 28.817984][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.817985][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.817987][ T772] _printk (kernel/printk/printk.c:2504) [ 28.817990][ T772] ? snapshot_read.cold (user.c:?) [ 28.817992][ T772] ? br_multicast_flood (??:?) [ 28.817995][ T772] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 28.817998][ T772] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 28.817999][ T772] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 28.818001][ T772] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 28.818004][ T772] br_init_port (net/bridge/br_stp_if.c:39) [ 28.818005][ T772] new_nbp (net/bridge/br_if.c:449) [ 28.818008][ T772] br_add_if (net/bridge/br_if.c:592) [ 28.818009][ T772] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 28.818012][ T772] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 28.818013][ T772] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 28.818016][ T772] do_set_master (net/core/rtnetlink.c:3071) [ 28.818018][ T772] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 28.818020][ T772] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 28.818021][ T772] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 28.818022][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.818023][ T772] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 28.818027][ T772] ? kasan_save_stack (mm/kasan/common.c:58) [ 28.818029][ T772] ? kasan_save_stack (mm/kasan/common.c:57) [ 28.818030][ T772] ? kasan_save_track (mm/kasan/common.c:78) [ 28.818031][ T772] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 28.818032][ T772] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 28.818033][ T772] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 28.818034][ T772] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 28.818035][ T772] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 28.818038][ T772] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 28.818040][ T772] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 28.818041][ T772] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 28.818044][ T772] ? ____sys_sendmsg (net/socket.c:2713) [ 28.818045][ T772] ? ___sys_sendmsg (net/socket.c:2767) [ 28.818046][ T772] ? __sys_sendmsg (net/socket.c:2799) [ 28.818048][ T772] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 28.818051][ T772] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.818054][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.818055][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.818056][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.818057][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.818058][ T772] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 28.818060][ T772] ? __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) [ 28.818062][ T772] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 28.818063][ T772] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 28.818064][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.818065][ T772] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.818068][ T772] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 28.818069][ T772] ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167) [ 28.818071][ T772] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 28.818072][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.818073][ T772] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 28.818075][ T772] rtnl_newlink (net/core/rtnetlink.c:4215) [ 28.818077][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.818078][ T772] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.818079][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.818081][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.818082][ T772] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 28.818083][ T772] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 28.818084][ T772] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 28.818086][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.818087][ T772] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 28.818090][ T772] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 28.818093][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.818094][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.818095][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.818096][ T772] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.818097][ T772] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 28.818099][ T772] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.818100][ T772] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 28.818102][ T772] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 28.818104][ T772] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 28.818106][ T772] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.818107][ T772] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 28.818108][ T772] ? netlink_ack (./include/linux/skbuff.h:2718) [ 28.818110][ T772] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 28.818113][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.818114][ T772] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 28.818116][ T772] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 28.818118][ T772] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 28.818120][ T772] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.818122][ T772] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 28.818124][ T772] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 28.818125][ T772] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 28.818127][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.818129][ T772] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 28.818132][ T772] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 28.818134][ T772] ____sys_sendmsg (net/socket.c:2713) [ 28.818135][ T772] ? copy_msghdr_from_user (net/socket.c:2650) [ 28.818137][ T772] ? sock_write_iter (net/socket.c:1269) [ 28.818138][ T772] ? move_addr_to_kernel (net/socket.c:258) [ 28.818140][ T772] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 28.818142][ T772] ___sys_sendmsg (net/socket.c:2767) [ 28.818144][ T772] ? copy_msghdr_from_user (net/socket.c:2619) [ 28.818149][ T772] __sys_sendmsg (net/socket.c:2799) [ 28.818151][ T772] ? __sys_sendmsg_sock (net/socket.c:2780) [ 28.818153][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.818155][ T772] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 28.818157][ T772] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 28.818158][ T772] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.818160][ T772] RIP: 0033:0x7f8a6e04154e [ 28.818162][ T772] 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 [ 28.818163][ T772] RSP: 002b:00007fff623284b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 28.818167][ T772] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8a6e04154e [ 28.818169][ T772] RDX: 0000000000000000 RSI: 00007fff62328560 RDI: 0000000000000005 [ 28.818170][ T772] RBP: 00007fff623284c0 R08: 0000000000000000 R09: 0000000000000000 [ 28.818171][ T772] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db4d [ 28.818172][ T772] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff62328c30 | [ 30.028373][ T12] softirqs last disabled at (5580): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 30.028375][ T12] Preemption disabled at: | [ 30.028376][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 30.028387][ T12] Tainted: [W]=WARN [ 30.028388][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.028391][ T12] Workqueue: netns cleanup_net [ 30.028396][ T12] Call Trace: [ 30.028398][ T12] [ 30.028400][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.028405][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 30.028407][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 30.028410][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 30.028413][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.028416][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.028419][ T12] __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)) [ 30.028421][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.028424][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.028429][ T12] ? 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) [ 30.028431][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.028433][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 30.028435][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.028437][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 30.028439][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.028444][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.028446][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 30.028448][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.028450][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.028451][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.028452][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.028455][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.028457][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.028458][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.028459][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.028460][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.028463][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 30.028464][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.028467][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.028470][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.028472][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.028473][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.028475][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.028476][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.028478][ T12] ? 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) [ 30.028480][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 30.028481][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.028483][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.028484][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 30.028486][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.028487][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 30.028489][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 30.028492][ T12] ? kthread (kernel/kthread.c:436) [ 30.028494][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 30.028497][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 30.028500][ T12] _printk (kernel/printk/printk.c:2504) [ 30.028503][ T12] ? snapshot_read.cold (user.c:?) [ 30.028505][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.028508][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.028510][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.028513][ T12] ? netdev_notice (net/core/dev.c:13194) [ 30.028515][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.028516][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 30.028517][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 30.028521][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 30.028522][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 30.028524][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 30.028526][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 30.028529][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 30.028533][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 30.028535][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 30.028537][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 30.028539][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 30.028541][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 30.028544][ T12] cleanup_net (net/core/net_namespace.c:706) [ 30.028546][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 30.028548][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.028550][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.028552][ T12] process_one_work (kernel/workqueue.c:3387) [ 30.028555][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 30.028557][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.028559][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.028561][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 30.028564][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 30.028566][ T12] kthread (kernel/kthread.c:436) [ 30.028568][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.028569][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 30.028571][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 30.028573][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 30.028575][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 30.028578][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 30.028580][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 31.170610][ T905] softirqs last disabled at (0): 0x0 | [ 31.170612][ T905] Preemption disabled at: | [ 31.170612][ T905] vprintk_emit (kernel/printk/printk.c:2471) | [ 31.170622][ T905] Tainted: [W]=WARN [ 31.170624][ T905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.170625][ T905] Call Trace: [ 31.170627][ T905] [ 31.170628][ T905] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.170634][ T905] ? vprintk_emit (kernel/printk/printk.c:2471) [ 31.170635][ T905] __might_resched.cold (kernel/sched/core.c:9234) [ 31.170639][ T905] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.170642][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170645][ T905] __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)) [ 31.170648][ T905] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.170651][ T905] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.170656][ T905] ? 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) [ 31.170658][ T905] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.170660][ T905] put_chars (drivers/char/virtio_console.c:1176) [ 31.170662][ T905] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.170663][ T905] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 31.170665][ T905] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 31.170668][ T905] ? pointer (lib/vsprintf.c:2577) [ 31.170671][ T905] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.170676][ T905] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.170677][ T905] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.170679][ T905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.170682][ T905] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.170685][ T905] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.170687][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170688][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170689][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170690][ T905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.170693][ T905] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 31.170694][ T905] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.170697][ T905] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.170700][ T905] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.170702][ T905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.170703][ T905] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.170705][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170706][ T905] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.170708][ T905] ? 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) [ 31.170709][ T905] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 31.170711][ T905] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.170713][ T905] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.170714][ T905] vprintk_emit (kernel/printk/printk.c:2479) [ 31.170716][ T905] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.170718][ T905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.170719][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170721][ T905] _printk (kernel/printk/printk.c:2504) [ 31.170724][ T905] ? snapshot_read.cold (user.c:?) [ 31.170726][ T905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.170728][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170729][ T905] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 31.170732][ T905] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 31.170734][ T905] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 31.170737][ T905] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 31.170740][ T905] ? netdev_notice (net/core/dev.c:13194) [ 31.170741][ T905] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.170743][ T905] ? 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) [ 31.170745][ T905] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.170747][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170748][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170749][ T905] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.170752][ T905] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 31.170754][ T905] ? 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) [ 31.170755][ T905] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 31.170756][ T905] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 31.170758][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170759][ T905] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.170761][ T905] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 31.170765][ T905] ? __kernel_text_address (kernel/extable.c:79) [ 31.170767][ T905] ? write_profile (profile.c:?) [ 31.170770][ T905] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 31.170774][ T905] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 31.170776][ T905] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 31.170777][ T905] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 31.170778][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170779][ T905] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 31.170783][ T905] ? kasan_save_stack (mm/kasan/common.c:58) [ 31.170785][ T905] ? kasan_save_stack (mm/kasan/common.c:57) [ 31.170786][ T905] ? kasan_save_track (mm/kasan/common.c:78) [ 31.170787][ T905] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 31.170792][ T905] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 31.170793][ T905] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 31.170794][ T905] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.170796][ T905] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.170799][ T905] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.170800][ T905] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.170802][ T905] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 31.170804][ T905] ? ____sys_sendmsg (net/socket.c:2713) [ 31.170806][ T905] ? ___sys_sendmsg (net/socket.c:2767) [ 31.170807][ T905] ? __sys_sendmsg (net/socket.c:2799) [ 31.170809][ T905] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.170812][ T905] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.170814][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170815][ T905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.170817][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170818][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170819][ T905] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 31.170821][ T905] ? __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) [ 31.170823][ T905] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 31.170824][ T905] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 31.170826][ T905] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 31.170827][ T905] ? nla_get_range_signed (lib/nlattr.c:270) [ 31.170830][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170831][ T905] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 31.170833][ T905] rtnl_newlink (net/core/rtnetlink.c:4215) [ 31.170835][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170836][ T905] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.170838][ T905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.170839][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170841][ T905] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 31.170843][ T905] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 31.170844][ T905] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 31.170846][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170847][ T905] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 31.170851][ T905] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 31.170853][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170854][ T905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.170856][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170857][ T905] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.170858][ T905] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.170860][ T905] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.170861][ T905] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 31.170863][ T905] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 31.170865][ T905] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.170867][ T905] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.170868][ T905] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.170870][ T905] ? netlink_ack (./include/linux/skbuff.h:2718) [ 31.170872][ T905] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 31.170875][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170876][ T905] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.170878][ T905] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.170880][ T905] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.170882][ T905] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.170884][ T905] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.170886][ T905] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.170888][ T905] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 31.170890][ T905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.170891][ T905] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 31.170895][ T905] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 31.170897][ T905] ____sys_sendmsg (net/socket.c:2713) [ 31.170898][ T905] ? copy_msghdr_from_user (net/socket.c:2650) [ 31.170900][ T905] ? sock_write_iter (net/socket.c:1269) [ 31.170902][ T905] ? move_addr_to_kernel (net/socket.c:258) [ 31.170903][ T905] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 31.170906][ T905] ___sys_sendmsg (net/socket.c:2767) [ 31.170908][ T905] ? copy_msghdr_from_user (net/socket.c:2619) [ 31.170913][ T905] __sys_sendmsg (net/socket.c:2799) [ 31.170915][ T905] ? __sys_sendmsg_sock (net/socket.c:2780) [ 31.170918][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.170919][ T905] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.170921][ T905] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.170923][ T905] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.170925][ T905] RIP: 0033:0x7f231f85b54e [ 31.170927][ T905] 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 [ 31.170929][ T905] RSP: 002b:00007ffc36249380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.170932][ T905] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f231f85b54e [ 31.170934][ T905] RDX: 0000000000000000 RSI: 00007ffc36249430 RDI: 0000000000000005 [ 31.170935][ T905] RBP: 00007ffc36249390 R08: 0000000000000000 R09: 0000000000000000 [ 31.170936][ T905] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db4f [ 31.170937][ T905] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc36249b00 | [ 42.659251][ T1230] softirqs last disabled at (0): 0x0 | [ 42.659253][ T1230] Preemption disabled at: | [ 42.659253][ T1230] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.659263][ T1230] Tainted: [W]=WARN [ 42.659264][ T1230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.659266][ T1230] Call Trace: [ 42.659267][ T1230] [ 42.659269][ T1230] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.659274][ T1230] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.659276][ T1230] __might_resched.cold (kernel/sched/core.c:9234) [ 42.659280][ T1230] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.659283][ T1230] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 42.659287][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659289][ T1230] __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)) [ 42.659292][ T1230] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.659295][ T1230] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.659300][ T1230] ? 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) [ 42.659301][ T1230] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.659304][ T1230] put_chars (drivers/char/virtio_console.c:1176) [ 42.659306][ T1230] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.659307][ T1230] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 42.659310][ T1230] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.659315][ T1230] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.659317][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659318][ T1230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.659321][ T1230] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.659324][ T1230] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.659326][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659327][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659328][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659329][ T1230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.659331][ T1230] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 42.659333][ T1230] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.659335][ T1230] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.659338][ T1230] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.659340][ T1230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.659341][ T1230] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.659343][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659344][ T1230] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.659346][ T1230] ? 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) [ 42.659347][ T1230] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 42.659349][ T1230] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.659351][ T1230] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.659352][ T1230] vprintk_emit (kernel/printk/printk.c:2479) [ 42.659354][ T1230] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.659355][ T1230] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.659357][ T1230] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 42.659360][ T1230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.659362][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659363][ T1230] _printk (kernel/printk/printk.c:2504) [ 42.659366][ T1230] ? snapshot_read.cold (user.c:?) [ 42.659368][ T1230] ? br_multicast_flood (??:?) [ 42.659372][ T1230] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 42.659374][ T1230] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.659376][ T1230] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.659378][ T1230] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 42.659380][ T1230] br_init_port (net/bridge/br_stp_if.c:39) [ 42.659382][ T1230] new_nbp (net/bridge/br_if.c:449) [ 42.659384][ T1230] br_add_if (net/bridge/br_if.c:592) [ 42.659386][ T1230] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 42.659389][ T1230] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 42.659390][ T1230] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 42.659393][ T1230] do_set_master (net/core/rtnetlink.c:3071) [ 42.659395][ T1230] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 42.659397][ T1230] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 42.659398][ T1230] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 42.659400][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659401][ T1230] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 42.659404][ T1230] ? kasan_save_stack (mm/kasan/common.c:58) [ 42.659406][ T1230] ? kasan_save_stack (mm/kasan/common.c:57) [ 42.659407][ T1230] ? kasan_save_track (mm/kasan/common.c:78) [ 42.659408][ T1230] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 42.659409][ T1230] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 42.659410][ T1230] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 42.659411][ T1230] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.659413][ T1230] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.659416][ T1230] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.659417][ T1230] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.659419][ T1230] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 42.659421][ T1230] ? ____sys_sendmsg (net/socket.c:2713) [ 42.659423][ T1230] ? ___sys_sendmsg (net/socket.c:2767) [ 42.659424][ T1230] ? __sys_sendmsg (net/socket.c:2799) [ 42.659426][ T1230] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.659429][ T1230] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.659432][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659433][ T1230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.659434][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659435][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659436][ T1230] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 42.659438][ T1230] ? __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) [ 42.659440][ T1230] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.659441][ T1230] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.659442][ T1230] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 42.659443][ T1230] ? nla_get_range_signed (lib/nlattr.c:270) [ 42.659447][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659448][ T1230] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 42.659450][ T1230] rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.659452][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659453][ T1230] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.659454][ T1230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.659456][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659457][ T1230] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 42.659459][ T1230] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 42.659460][ T1230] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 42.659461][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659462][ T1230] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 42.659465][ T1230] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 42.659468][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659469][ T1230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.659471][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659472][ T1230] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.659474][ T1230] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.659476][ T1230] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.659477][ T1230] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 42.659479][ T1230] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 42.659481][ T1230] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.659483][ T1230] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.659484][ T1230] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.659486][ T1230] ? netlink_ack (./include/linux/skbuff.h:2718) [ 42.659487][ T1230] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 42.659491][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659492][ T1230] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.659494][ T1230] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.659496][ T1230] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.659498][ T1230] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.659500][ T1230] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.659502][ T1230] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.659504][ T1230] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 42.659505][ T1230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.659507][ T1230] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 42.659510][ T1230] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 42.659512][ T1230] ____sys_sendmsg (net/socket.c:2713) [ 42.659514][ T1230] ? copy_msghdr_from_user (net/socket.c:2650) [ 42.659515][ T1230] ? sock_write_iter (net/socket.c:1269) [ 42.659517][ T1230] ? move_addr_to_kernel (net/socket.c:258) [ 42.659518][ T1230] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 42.659521][ T1230] ___sys_sendmsg (net/socket.c:2767) [ 42.659523][ T1230] ? copy_msghdr_from_user (net/socket.c:2619) [ 42.659528][ T1230] __sys_sendmsg (net/socket.c:2799) [ 42.659530][ T1230] ? __sys_sendmsg_sock (net/socket.c:2780) [ 42.659533][ T1230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.659534][ T1230] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.659536][ T1230] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.659538][ T1230] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.659539][ T1230] RIP: 0033:0x7fbcbe31d54e [ 42.659541][ T1230] 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 [ 42.659543][ T1230] RSP: 002b:00007ffce25a71f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.659547][ T1230] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbcbe31d54e [ 42.659548][ T1230] RDX: 0000000000000000 RSI: 00007ffce25a72a0 RDI: 0000000000000005 [ 42.659549][ T1230] RBP: 00007ffce25a7200 R08: 0000000000000000 R09: 0000000000000000 [ 42.659550][ T1230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db5a [ 42.659551][ T1230] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce25a7970 | [ 43.884497][ T1318] softirqs last disabled at (0): 0x0 | [ 43.884499][ T1318] Preemption disabled at: | [ 43.884499][ T1318] vprintk_emit (kernel/printk/printk.c:2471) | [ 43.884510][ T1318] Tainted: [W]=WARN [ 43.884511][ T1318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.884512][ T1318] Call Trace: [ 43.884514][ T1318] [ 43.884515][ T1318] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.884520][ T1318] ? vprintk_emit (kernel/printk/printk.c:2471) [ 43.884522][ T1318] __might_resched.cold (kernel/sched/core.c:9234) [ 43.884526][ T1318] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.884529][ T1318] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 43.884533][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884535][ T1318] __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)) [ 43.884538][ T1318] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.884541][ T1318] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.884546][ T1318] ? 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) [ 43.884548][ T1318] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.884552][ T1318] put_chars (drivers/char/virtio_console.c:1176) [ 43.884554][ T1318] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.884557][ T1318] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 43.884562][ T1318] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.884568][ T1318] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.884571][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884573][ T1318] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.884577][ T1318] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.884580][ T1318] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.884582][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884583][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884584][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884586][ T1318] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.884588][ T1318] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 43.884590][ T1318] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.884592][ T1318] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.884595][ T1318] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.884597][ T1318] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.884599][ T1318] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.884601][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884602][ T1318] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 43.884603][ T1318] ? 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) [ 43.884605][ T1318] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 43.884606][ T1318] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.884608][ T1318] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.884610][ T1318] vprintk_emit (kernel/printk/printk.c:2479) [ 43.884612][ T1318] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.884613][ T1318] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.884615][ T1318] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 43.884618][ T1318] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.884620][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884621][ T1318] _printk (kernel/printk/printk.c:2504) [ 43.884624][ T1318] ? snapshot_read.cold (user.c:?) [ 43.884626][ T1318] ? br_multicast_flood (??:?) [ 43.884630][ T1318] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 43.884632][ T1318] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 43.884634][ T1318] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 43.884636][ T1318] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 43.884639][ T1318] br_init_port (net/bridge/br_stp_if.c:39) [ 43.884641][ T1318] new_nbp (net/bridge/br_if.c:449) [ 43.884643][ T1318] br_add_if (net/bridge/br_if.c:592) [ 43.884645][ T1318] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 43.884649][ T1318] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 43.884650][ T1318] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 43.884653][ T1318] do_set_master (net/core/rtnetlink.c:3071) [ 43.884655][ T1318] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 43.884657][ T1318] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 43.884659][ T1318] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 43.884660][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884661][ T1318] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 43.884665][ T1318] ? kasan_save_stack (mm/kasan/common.c:58) [ 43.884667][ T1318] ? kasan_save_stack (mm/kasan/common.c:57) [ 43.884668][ T1318] ? kasan_save_track (mm/kasan/common.c:78) [ 43.884669][ T1318] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 43.884670][ T1318] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 43.884672][ T1318] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 43.884673][ T1318] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 43.884674][ T1318] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 43.884678][ T1318] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 43.884679][ T1318] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 43.884681][ T1318] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 43.884684][ T1318] ? ____sys_sendmsg (net/socket.c:2713) [ 43.884685][ T1318] ? ___sys_sendmsg (net/socket.c:2767) [ 43.884687][ T1318] ? __sys_sendmsg (net/socket.c:2799) [ 43.884689][ T1318] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 43.884692][ T1318] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.884695][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884696][ T1318] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.884698][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884699][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884701][ T1318] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 43.884702][ T1318] ? __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) [ 43.884704][ T1318] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 43.884705][ T1318] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 43.884707][ T1318] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 43.884708][ T1318] ? nla_get_range_signed (lib/nlattr.c:270) [ 43.884712][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884713][ T1318] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 43.884716][ T1318] rtnl_newlink (net/core/rtnetlink.c:4215) [ 43.884718][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884720][ T1318] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.884721][ T1318] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.884723][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884724][ T1318] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 43.884726][ T1318] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 43.884727][ T1318] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 43.884729][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884730][ T1318] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 43.884733][ T1318] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 43.884735][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884737][ T1318] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.884738][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884740][ T1318] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.884741][ T1318] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 43.884743][ T1318] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.884744][ T1318] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 43.884746][ T1318] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 43.884748][ T1318] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 43.884750][ T1318] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.884751][ T1318] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 43.884753][ T1318] ? netlink_ack (./include/linux/skbuff.h:2718) [ 43.884755][ T1318] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 43.884759][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884760][ T1318] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 43.884762][ T1318] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 43.884764][ T1318] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.884766][ T1318] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.884768][ T1318] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 43.884771][ T1318] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.884772][ T1318] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 43.884774][ T1318] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.884776][ T1318] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 43.884779][ T1318] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 43.884781][ T1318] ____sys_sendmsg (net/socket.c:2713) [ 43.884783][ T1318] ? copy_msghdr_from_user (net/socket.c:2650) [ 43.884784][ T1318] ? sock_write_iter (net/socket.c:1269) [ 43.884786][ T1318] ? move_addr_to_kernel (net/socket.c:258) [ 43.884788][ T1318] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 43.884793][ T1318] ___sys_sendmsg (net/socket.c:2767) [ 43.884795][ T1318] ? copy_msghdr_from_user (net/socket.c:2619) [ 43.884801][ T1318] __sys_sendmsg (net/socket.c:2799) [ 43.884803][ T1318] ? __sys_sendmsg_sock (net/socket.c:2780) [ 43.884806][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.884807][ T1318] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 43.884809][ T1318] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 43.884812][ T1318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.884813][ T1318] RIP: 0033:0x7fa20d1ec54e [ 43.884815][ T1318] 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 [ 43.884817][ T1318] RSP: 002b:00007ffd08882f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 43.884821][ T1318] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa20d1ec54e [ 43.884822][ T1318] RDX: 0000000000000000 RSI: 00007ffd08883040 RDI: 0000000000000005 [ 43.884823][ T1318] RBP: 00007ffd08882fa0 R08: 0000000000000000 R09: 0000000000000000 [ 43.884824][ T1318] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db5c [ 43.884825][ T1318] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd08883710 | [ 45.149598][ T1393] softirqs last disabled at (0): 0x0 | [ 45.149600][ T1393] Preemption disabled at: | [ 45.149601][ T1393] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.149611][ T1393] Tainted: [W]=WARN [ 45.149612][ T1393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.149613][ T1393] Call Trace: [ 45.149615][ T1393] [ 45.149616][ T1393] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.149622][ T1393] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.149623][ T1393] __might_resched.cold (kernel/sched/core.c:9234) [ 45.149627][ T1393] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.149630][ T1393] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 45.149634][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149637][ T1393] __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)) [ 45.149639][ T1393] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.149642][ T1393] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.149647][ T1393] ? 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) [ 45.149649][ T1393] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.149652][ T1393] put_chars (drivers/char/virtio_console.c:1176) [ 45.149653][ T1393] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.149655][ T1393] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 45.149658][ T1393] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.149662][ T1393] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.149664][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149666][ T1393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.149668][ T1393] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.149671][ T1393] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.149673][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149674][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149675][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149676][ T1393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.149678][ T1393] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 45.149680][ T1393] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.149682][ T1393] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.149685][ T1393] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.149687][ T1393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.149689][ T1393] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.149691][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149692][ T1393] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.149693][ T1393] ? 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) [ 45.149695][ T1393] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 45.149696][ T1393] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.149698][ T1393] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.149700][ T1393] vprintk_emit (kernel/printk/printk.c:2479) [ 45.149702][ T1393] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.149703][ T1393] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.149704][ T1393] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 45.149708][ T1393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.149709][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149711][ T1393] _printk (kernel/printk/printk.c:2504) [ 45.149714][ T1393] ? snapshot_read.cold (user.c:?) [ 45.149716][ T1393] ? br_multicast_flood (??:?) [ 45.149720][ T1393] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 45.149723][ T1393] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 45.149724][ T1393] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 45.149726][ T1393] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 45.149728][ T1393] br_init_port (net/bridge/br_stp_if.c:39) [ 45.149730][ T1393] new_nbp (net/bridge/br_if.c:449) [ 45.149732][ T1393] br_add_if (net/bridge/br_if.c:592) [ 45.149734][ T1393] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 45.149737][ T1393] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 45.149739][ T1393] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 45.149742][ T1393] do_set_master (net/core/rtnetlink.c:3071) [ 45.149744][ T1393] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 45.149745][ T1393] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 45.149747][ T1393] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 45.149748][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149749][ T1393] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 45.149753][ T1393] ? kasan_save_stack (mm/kasan/common.c:58) [ 45.149755][ T1393] ? kasan_save_stack (mm/kasan/common.c:57) [ 45.149756][ T1393] ? kasan_save_track (mm/kasan/common.c:78) [ 45.149757][ T1393] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 45.149758][ T1393] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 45.149760][ T1393] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 45.149761][ T1393] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 45.149762][ T1393] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 45.149765][ T1393] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 45.149767][ T1393] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 45.149768][ T1393] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 45.149771][ T1393] ? ____sys_sendmsg (net/socket.c:2713) [ 45.149773][ T1393] ? ___sys_sendmsg (net/socket.c:2767) [ 45.149774][ T1393] ? __sys_sendmsg (net/socket.c:2799) [ 45.149776][ T1393] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 45.149780][ T1393] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.149783][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149784][ T1393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.149786][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149787][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149788][ T1393] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 45.149792][ T1393] ? __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) [ 45.149794][ T1393] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 45.149795][ T1393] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 45.149797][ T1393] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 45.149798][ T1393] ? nla_get_range_signed (lib/nlattr.c:270) [ 45.149801][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149803][ T1393] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 45.149805][ T1393] rtnl_newlink (net/core/rtnetlink.c:4215) [ 45.149807][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149808][ T1393] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.149809][ T1393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.149811][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149812][ T1393] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 45.149813][ T1393] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 45.149815][ T1393] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 45.149816][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149817][ T1393] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 45.149820][ T1393] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 45.149823][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149824][ T1393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.149826][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149827][ T1393] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.149828][ T1393] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 45.149830][ T1393] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.149831][ T1393] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 45.149833][ T1393] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 45.149835][ T1393] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 45.149837][ T1393] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.149838][ T1393] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.149840][ T1393] ? netlink_ack (./include/linux/skbuff.h:2718) [ 45.149842][ T1393] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 45.149845][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149846][ T1393] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.149848][ T1393] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 45.149850][ T1393] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 45.149852][ T1393] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.149854][ T1393] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 45.149856][ T1393] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 45.149858][ T1393] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 45.149860][ T1393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.149861][ T1393] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 45.149864][ T1393] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 45.149866][ T1393] ____sys_sendmsg (net/socket.c:2713) [ 45.149868][ T1393] ? copy_msghdr_from_user (net/socket.c:2650) [ 45.149870][ T1393] ? sock_write_iter (net/socket.c:1269) [ 45.149871][ T1393] ? move_addr_to_kernel (net/socket.c:258) [ 45.149873][ T1393] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 45.149875][ T1393] ___sys_sendmsg (net/socket.c:2767) [ 45.149877][ T1393] ? copy_msghdr_from_user (net/socket.c:2619) [ 45.149882][ T1393] __sys_sendmsg (net/socket.c:2799) [ 45.149884][ T1393] ? __sys_sendmsg_sock (net/socket.c:2780) [ 45.149887][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.149888][ T1393] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 45.149890][ T1393] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 45.149892][ T1393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.149894][ T1393] RIP: 0033:0x7fdfe9dc254e [ 45.149896][ T1393] 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 [ 45.149898][ T1393] RSP: 002b:00007ffffa5d88f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 45.149901][ T1393] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdfe9dc254e [ 45.149903][ T1393] RDX: 0000000000000000 RSI: 00007ffffa5d89a0 RDI: 0000000000000005 [ 45.149904][ T1393] RBP: 00007ffffa5d8900 R08: 0000000000000000 R09: 0000000000000000 [ 45.149905][ T1393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db5d [ 45.149906][ T1393] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffa5d9070 | [ 46.337678][ T1463] softirqs last disabled at (0): 0x0 | [ 46.337680][ T1463] Preemption disabled at: | [ 46.337681][ T1463] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.337691][ T1463] Tainted: [W]=WARN [ 46.337692][ T1463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.337694][ T1463] Call Trace: [ 46.337695][ T1463] [ 46.337696][ T1463] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.337702][ T1463] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.337703][ T1463] __might_resched.cold (kernel/sched/core.c:9234) [ 46.337707][ T1463] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.337710][ T1463] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 46.337714][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337717][ T1463] __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)) [ 46.337719][ T1463] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.337722][ T1463] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.337727][ T1463] ? 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) [ 46.337729][ T1463] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.337732][ T1463] put_chars (drivers/char/virtio_console.c:1176) [ 46.337734][ T1463] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.337735][ T1463] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 46.337738][ T1463] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.337743][ T1463] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.337745][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337746][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.337749][ T1463] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.337752][ T1463] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.337754][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337755][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337756][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337757][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.337759][ T1463] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 46.337761][ T1463] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.337763][ T1463] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.337766][ T1463] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.337768][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.337770][ T1463] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.337772][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337773][ T1463] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 46.337775][ T1463] ? 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) [ 46.337776][ T1463] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 46.337778][ T1463] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.337780][ T1463] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.337781][ T1463] vprintk_emit (kernel/printk/printk.c:2479) [ 46.337783][ T1463] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.337784][ T1463] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.337786][ T1463] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 46.337794][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.337795][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337797][ T1463] _printk (kernel/printk/printk.c:2504) [ 46.337800][ T1463] ? snapshot_read.cold (user.c:?) [ 46.337802][ T1463] ? br_multicast_flood (??:?) [ 46.337806][ T1463] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 46.337809][ T1463] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.337810][ T1463] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.337812][ T1463] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 46.337815][ T1463] br_init_port (net/bridge/br_stp_if.c:39) [ 46.337817][ T1463] new_nbp (net/bridge/br_if.c:449) [ 46.337819][ T1463] br_add_if (net/bridge/br_if.c:592) [ 46.337821][ T1463] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 46.337824][ T1463] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 46.337825][ T1463] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 46.337828][ T1463] do_set_master (net/core/rtnetlink.c:3071) [ 46.337830][ T1463] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 46.337832][ T1463] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 46.337833][ T1463] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 46.337835][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337836][ T1463] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 46.337839][ T1463] ? kasan_save_stack (mm/kasan/common.c:58) [ 46.337841][ T1463] ? kasan_save_stack (mm/kasan/common.c:57) [ 46.337842][ T1463] ? kasan_save_track (mm/kasan/common.c:78) [ 46.337844][ T1463] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 46.337845][ T1463] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 46.337846][ T1463] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 46.337847][ T1463] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.337848][ T1463] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.337851][ T1463] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.337853][ T1463] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.337854][ T1463] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 46.337857][ T1463] ? ____sys_sendmsg (net/socket.c:2713) [ 46.337858][ T1463] ? ___sys_sendmsg (net/socket.c:2767) [ 46.337860][ T1463] ? __sys_sendmsg (net/socket.c:2799) [ 46.337861][ T1463] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.337865][ T1463] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.337867][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337868][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.337870][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337871][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337872][ T1463] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 46.337874][ T1463] ? __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) [ 46.337876][ T1463] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 46.337877][ T1463] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.337878][ T1463] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 46.337879][ T1463] ? nla_get_range_signed (lib/nlattr.c:270) [ 46.337883][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337884][ T1463] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 46.337886][ T1463] rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.337889][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337890][ T1463] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.337891][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.337893][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337894][ T1463] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 46.337895][ T1463] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 46.337897][ T1463] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 46.337898][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337899][ T1463] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 46.337902][ T1463] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 46.337905][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337906][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.337908][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337909][ T1463] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.337910][ T1463] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.337912][ T1463] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.337913][ T1463] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 46.337915][ T1463] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 46.337917][ T1463] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.337919][ T1463] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.337920][ T1463] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 46.337922][ T1463] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.337924][ T1463] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 46.337927][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337928][ T1463] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 46.337930][ T1463] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.337933][ T1463] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.337934][ T1463] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.337936][ T1463] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.337939][ T1463] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.337940][ T1463] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 46.337942][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.337944][ T1463] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 46.337947][ T1463] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 46.337949][ T1463] ____sys_sendmsg (net/socket.c:2713) [ 46.337951][ T1463] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.337952][ T1463] ? sock_write_iter (net/socket.c:1269) [ 46.337954][ T1463] ? move_addr_to_kernel (net/socket.c:258) [ 46.337955][ T1463] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 46.337958][ T1463] ___sys_sendmsg (net/socket.c:2767) [ 46.337960][ T1463] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.337965][ T1463] __sys_sendmsg (net/socket.c:2799) [ 46.337967][ T1463] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.337970][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.337972][ T1463] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.337973][ T1463] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.337975][ T1463] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.337977][ T1463] RIP: 0033:0x7f987582754e [ 46.337980][ T1463] 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 [ 46.337981][ T1463] RSP: 002b:00007ffcac1c0c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.337985][ T1463] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f987582754e [ 46.337987][ T1463] RDX: 0000000000000000 RSI: 00007ffcac1c0cc0 RDI: 0000000000000005 [ 46.337988][ T1463] RBP: 00007ffcac1c0c20 R08: 0000000000000000 R09: 0000000000000000 [ 46.337988][ T1463] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db5e [ 46.337989][ T1463] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcac1c1390 | [ 47.421282][ T12] softirqs last disabled at (5580): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 47.421285][ T12] Preemption disabled at: | [ 47.421286][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 47.421297][ T12] Tainted: [W]=WARN [ 47.421298][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.421300][ T12] Workqueue: netns cleanup_net [ 47.421305][ T12] Call Trace: [ 47.421307][ T12] [ 47.421308][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.421314][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 47.421315][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 47.421319][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 47.421321][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 47.421324][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.421327][ T12] __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)) [ 47.421330][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.421333][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.421337][ T12] ? 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) [ 47.421339][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.421342][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 47.421344][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 47.421345][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 47.421348][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 47.421353][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 47.421354][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 47.421357][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.421358][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.421359][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.421361][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 47.421364][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 47.421366][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.421367][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.421368][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.421369][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.421372][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 47.421374][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 47.421376][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 47.421379][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 47.421381][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.421382][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 47.421384][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.421385][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 47.421387][ T12] ? 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) [ 47.421388][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 47.421390][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 47.421392][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 47.421393][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 47.421395][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 47.421396][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 47.421397][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 47.421400][ T12] ? kthread (kernel/kthread.c:436) [ 47.421402][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 47.421405][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 47.421408][ T12] _printk (kernel/printk/printk.c:2504) [ 47.421411][ T12] ? snapshot_read.cold (user.c:?) [ 47.421413][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 47.421417][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 47.421419][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 47.421421][ T12] ? netdev_notice (net/core/dev.c:13194) [ 47.421423][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.421425][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 47.421426][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 47.421429][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 47.421431][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 47.421432][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 47.421434][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 47.421436][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 47.421442][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 47.421445][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 47.421448][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 47.421452][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 47.421454][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 47.421458][ T12] cleanup_net (net/core/net_namespace.c:706) [ 47.421460][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 47.421462][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.421464][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.421466][ T12] process_one_work (kernel/workqueue.c:3387) [ 47.421469][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 47.421471][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.421474][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 47.421477][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.421479][ T12] kthread (kernel/kthread.c:436) [ 47.421480][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 47.421482][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.421484][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 47.421486][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 47.421488][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 47.421491][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.421493][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 48.495376][ T1607] softirqs last disabled at (0): 0x0 | [ 48.495378][ T1607] Preemption disabled at: | [ 48.495379][ T1607] vprintk_emit (kernel/printk/printk.c:2471) | [ 48.495393][ T1607] Tainted: [W]=WARN [ 48.495394][ T1607] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.495397][ T1607] Call Trace: [ 48.495399][ T1607] [ 48.495400][ T1607] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.495407][ T1607] ? vprintk_emit (kernel/printk/printk.c:2471) [ 48.495409][ T1607] __might_resched.cold (kernel/sched/core.c:9234) [ 48.495414][ T1607] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.495418][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495422][ T1607] __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)) [ 48.495425][ T1607] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.495429][ T1607] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.495435][ T1607] ? 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) [ 48.495438][ T1607] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.495441][ T1607] put_chars (drivers/char/virtio_console.c:1176) [ 48.495444][ T1607] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.495446][ T1607] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 48.495449][ T1607] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 48.495452][ T1607] ? pointer (lib/vsprintf.c:2577) [ 48.495457][ T1607] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.495463][ T1607] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.495465][ T1607] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.495468][ T1607] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.495471][ T1607] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.495476][ T1607] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.495479][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495481][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495482][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495484][ T1607] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.495487][ T1607] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 48.495489][ T1607] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.495492][ T1607] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.495497][ T1607] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.495500][ T1607] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.495502][ T1607] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.495504][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495506][ T1607] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 48.495508][ T1607] ? 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) [ 48.495510][ T1607] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 48.495512][ T1607] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.495515][ T1607] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.495517][ T1607] vprintk_emit (kernel/printk/printk.c:2479) [ 48.495520][ T1607] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.495523][ T1607] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.495525][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495527][ T1607] _printk (kernel/printk/printk.c:2504) [ 48.495531][ T1607] ? snapshot_read.cold (user.c:?) [ 48.495533][ T1607] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.495535][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495538][ T1607] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 48.495542][ T1607] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 48.495544][ T1607] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 48.495548][ T1607] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 48.495551][ T1607] ? netdev_notice (net/core/dev.c:13194) [ 48.495553][ T1607] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 48.495556][ T1607] ? 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) [ 48.495559][ T1607] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.495561][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495563][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495564][ T1607] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 48.495568][ T1607] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 48.495570][ T1607] ? 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) [ 48.495572][ T1607] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 48.495574][ T1607] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 48.495576][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495578][ T1607] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 48.495581][ T1607] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 48.495585][ T1607] ? __kernel_text_address (kernel/extable.c:79) [ 48.495588][ T1607] ? write_profile (profile.c:?) [ 48.495592][ T1607] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 48.495597][ T1607] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 48.495600][ T1607] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 48.495602][ T1607] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 48.495604][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495606][ T1607] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 48.495610][ T1607] ? kasan_save_stack (mm/kasan/common.c:58) [ 48.495612][ T1607] ? kasan_save_stack (mm/kasan/common.c:57) [ 48.495614][ T1607] ? kasan_save_track (mm/kasan/common.c:78) [ 48.495616][ T1607] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 48.495618][ T1607] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 48.495620][ T1607] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 48.495621][ T1607] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 48.495623][ T1607] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 48.495627][ T1607] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 48.495629][ T1607] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 48.495631][ T1607] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 48.495633][ T1607] ? ____sys_sendmsg (net/socket.c:2713) [ 48.495635][ T1607] ? ___sys_sendmsg (net/socket.c:2767) [ 48.495638][ T1607] ? __sys_sendmsg (net/socket.c:2799) [ 48.495640][ T1607] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.495643][ T1607] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.495646][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495648][ T1607] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.495650][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495652][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495653][ T1607] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 48.495656][ T1607] ? __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) [ 48.495658][ T1607] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 48.495660][ T1607] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 48.495663][ T1607] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 48.495664][ T1607] ? nla_get_range_signed (lib/nlattr.c:270) [ 48.495668][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495670][ T1607] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 48.495674][ T1607] rtnl_newlink (net/core/rtnetlink.c:4215) [ 48.495677][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495679][ T1607] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 48.495681][ T1607] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.495683][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495685][ T1607] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 48.495688][ T1607] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 48.495690][ T1607] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 48.495692][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495694][ T1607] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 48.495698][ T1607] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 48.495701][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495703][ T1607] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.495705][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495707][ T1607] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 48.495709][ T1607] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 48.495712][ T1607] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 48.495714][ T1607] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 48.495716][ T1607] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 48.495720][ T1607] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 48.495722][ T1607] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 48.495724][ T1607] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 48.495726][ T1607] ? netlink_ack (./include/linux/skbuff.h:2718) [ 48.495728][ T1607] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 48.495734][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495735][ T1607] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 48.495738][ T1607] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 48.495742][ T1607] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 48.495745][ T1607] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.495749][ T1607] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 48.495753][ T1607] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 48.495755][ T1607] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 48.495757][ T1607] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.495760][ T1607] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 48.495764][ T1607] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 48.495766][ T1607] ____sys_sendmsg (net/socket.c:2713) [ 48.495769][ T1607] ? copy_msghdr_from_user (net/socket.c:2650) [ 48.495771][ T1607] ? sock_write_iter (net/socket.c:1269) [ 48.495773][ T1607] ? move_addr_to_kernel (net/socket.c:258) [ 48.495776][ T1607] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 48.495780][ T1607] ___sys_sendmsg (net/socket.c:2767) [ 48.495783][ T1607] ? copy_msghdr_from_user (net/socket.c:2619) [ 48.495794][ T1607] __sys_sendmsg (net/socket.c:2799) [ 48.495797][ T1607] ? __sys_sendmsg_sock (net/socket.c:2780) [ 48.495801][ T1607] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.495804][ T1607] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.495806][ T1607] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 48.495809][ T1607] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.495811][ T1607] RIP: 0033:0x7f278a11854e [ 48.495813][ T1607] 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 [ 48.495816][ T1607] RSP: 002b:00007ffc4a577f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 48.495821][ T1607] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f278a11854e [ 48.495823][ T1607] RDX: 0000000000000000 RSI: 00007ffc4a577ff0 RDI: 0000000000000005 [ 48.495824][ T1607] RBP: 00007ffc4a577f50 R08: 0000000000000000 R09: 0000000000000000 [ 48.495825][ T1607] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db60 [ 48.495827][ T1607] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4a5786c0 | [ 60.056449][ T1926] softirqs last disabled at (0): 0x0 | [ 60.056450][ T1926] Preemption disabled at: | [ 60.056451][ T1926] vprintk_emit (kernel/printk/printk.c:2471) | [ 60.056461][ T1926] Tainted: [W]=WARN [ 60.056462][ T1926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 60.056464][ T1926] Call Trace: [ 60.056465][ T1926] [ 60.056467][ T1926] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 60.056472][ T1926] ? vprintk_emit (kernel/printk/printk.c:2471) [ 60.056474][ T1926] __might_resched.cold (kernel/sched/core.c:9234) [ 60.056478][ T1926] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 60.056481][ T1926] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 60.056485][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056487][ T1926] __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)) [ 60.056490][ T1926] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 60.056492][ T1926] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.056498][ T1926] ? 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) [ 60.056499][ T1926] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.056502][ T1926] put_chars (drivers/char/virtio_console.c:1176) [ 60.056504][ T1926] ? __send_to_port (drivers/char/virtio_console.c:654) [ 60.056505][ T1926] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 60.056508][ T1926] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 60.056513][ T1926] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 60.056515][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056516][ T1926] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.056519][ T1926] console_emit_next_record (kernel/printk/printk.c:3183) [ 60.056522][ T1926] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 60.056524][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056525][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056526][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056527][ T1926] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.056529][ T1926] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 60.056531][ T1926] console_flush_one_record (kernel/printk/printk.c:3268) [ 60.056533][ T1926] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 60.056536][ T1926] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 60.056538][ T1926] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.056539][ T1926] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 60.056541][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056542][ T1926] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 60.056543][ T1926] ? 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) [ 60.056545][ T1926] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 60.056546][ T1926] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 60.056548][ T1926] ? vprintk_emit (kernel/printk/printk.c:2478) [ 60.056550][ T1926] vprintk_emit (kernel/printk/printk.c:2479) [ 60.056552][ T1926] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 60.056553][ T1926] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 60.056554][ T1926] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 60.056557][ T1926] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.056559][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056560][ T1926] _printk (kernel/printk/printk.c:2504) [ 60.056563][ T1926] ? snapshot_read.cold (user.c:?) [ 60.056565][ T1926] ? br_multicast_flood (??:?) [ 60.056569][ T1926] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 60.056571][ T1926] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 60.056572][ T1926] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 60.056574][ T1926] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 60.056577][ T1926] br_init_port (net/bridge/br_stp_if.c:39) [ 60.056579][ T1926] new_nbp (net/bridge/br_if.c:449) [ 60.056581][ T1926] br_add_if (net/bridge/br_if.c:592) [ 60.056583][ T1926] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 60.056586][ T1926] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 60.056587][ T1926] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 60.056590][ T1926] do_set_master (net/core/rtnetlink.c:3071) [ 60.056592][ T1926] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 60.056593][ T1926] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 60.056595][ T1926] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 60.056596][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056597][ T1926] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 60.056601][ T1926] ? kasan_save_stack (mm/kasan/common.c:58) [ 60.056602][ T1926] ? kasan_save_stack (mm/kasan/common.c:57) [ 60.056603][ T1926] ? kasan_save_track (mm/kasan/common.c:78) [ 60.056604][ T1926] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 60.056606][ T1926] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 60.056607][ T1926] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 60.056608][ T1926] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 60.056609][ T1926] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 60.056612][ T1926] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 60.056614][ T1926] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 60.056615][ T1926] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 60.056618][ T1926] ? ____sys_sendmsg (net/socket.c:2713) [ 60.056619][ T1926] ? ___sys_sendmsg (net/socket.c:2767) [ 60.056621][ T1926] ? __sys_sendmsg (net/socket.c:2799) [ 60.056622][ T1926] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 60.056626][ T1926] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 60.056628][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056629][ T1926] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.056631][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056632][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056633][ T1926] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 60.056634][ T1926] ? __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) [ 60.056636][ T1926] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 60.056637][ T1926] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 60.056639][ T1926] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 60.056640][ T1926] ? nla_get_range_signed (lib/nlattr.c:270) [ 60.056643][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056644][ T1926] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 60.056647][ T1926] rtnl_newlink (net/core/rtnetlink.c:4215) [ 60.056648][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056650][ T1926] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 60.056651][ T1926] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.056652][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056654][ T1926] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 60.056655][ T1926] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 60.056656][ T1926] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 60.056657][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056659][ T1926] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 60.056662][ T1926] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 60.056664][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056665][ T1926] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.056667][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056668][ T1926] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 60.056669][ T1926] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 60.056671][ T1926] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 60.056672][ T1926] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 60.056674][ T1926] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 60.056676][ T1926] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 60.056678][ T1926] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 60.056679][ T1926] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 60.056681][ T1926] ? netlink_ack (./include/linux/skbuff.h:2718) [ 60.056682][ T1926] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 60.056686][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056687][ T1926] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 60.056689][ T1926] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 60.056691][ T1926] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 60.056693][ T1926] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 60.056694][ T1926] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 60.056697][ T1926] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 60.056698][ T1926] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 60.056700][ T1926] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.056701][ T1926] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 60.056705][ T1926] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 60.056706][ T1926] ____sys_sendmsg (net/socket.c:2713) [ 60.056708][ T1926] ? copy_msghdr_from_user (net/socket.c:2650) [ 60.056710][ T1926] ? sock_write_iter (net/socket.c:1269) [ 60.056711][ T1926] ? move_addr_to_kernel (net/socket.c:258) [ 60.056713][ T1926] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 60.056715][ T1926] ___sys_sendmsg (net/socket.c:2767) [ 60.056717][ T1926] ? copy_msghdr_from_user (net/socket.c:2619) [ 60.056722][ T1926] __sys_sendmsg (net/socket.c:2799) [ 60.056724][ T1926] ? __sys_sendmsg_sock (net/socket.c:2780) [ 60.056727][ T1926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.056728][ T1926] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 60.056730][ T1926] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 60.056732][ T1926] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 60.056734][ T1926] RIP: 0033:0x7fd916a0354e [ 60.056736][ T1926] 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 [ 60.056737][ T1926] RSP: 002b:00007ffded2be170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 60.056741][ T1926] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd916a0354e [ 60.056743][ T1926] RDX: 0000000000000000 RSI: 00007ffded2be220 RDI: 0000000000000005 [ 60.056744][ T1926] RBP: 00007ffded2be180 R08: 0000000000000000 R09: 0000000000000000 [ 60.056745][ T1926] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db6c [ 60.056746][ T1926] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffded2be8f0 | [ 61.120247][ T2012] softirqs last disabled at (0): 0x0 | [ 61.120248][ T2012] Preemption disabled at: | [ 61.120249][ T2012] vprintk_emit (kernel/printk/printk.c:2471) | [ 61.120259][ T2012] Tainted: [W]=WARN [ 61.120261][ T2012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 61.120262][ T2012] Call Trace: [ 61.120264][ T2012] [ 61.120265][ T2012] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 61.120271][ T2012] ? vprintk_emit (kernel/printk/printk.c:2471) [ 61.120272][ T2012] __might_resched.cold (kernel/sched/core.c:9234) [ 61.120276][ T2012] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 61.120279][ T2012] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 61.120283][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120285][ T2012] __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)) [ 61.120288][ T2012] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 61.120291][ T2012] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.120296][ T2012] ? 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) [ 61.120298][ T2012] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.120300][ T2012] put_chars (drivers/char/virtio_console.c:1176) [ 61.120302][ T2012] ? __send_to_port (drivers/char/virtio_console.c:654) [ 61.120304][ T2012] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 61.120307][ T2012] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 61.120311][ T2012] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 61.120313][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120315][ T2012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.120317][ T2012] console_emit_next_record (kernel/printk/printk.c:3183) [ 61.120320][ T2012] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 61.120322][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120323][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120324][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120325][ T2012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.120327][ T2012] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 61.120329][ T2012] console_flush_one_record (kernel/printk/printk.c:3268) [ 61.120332][ T2012] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 61.120335][ T2012] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 61.120337][ T2012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.120338][ T2012] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 61.120340][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120341][ T2012] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 61.120343][ T2012] ? 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) [ 61.120344][ T2012] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 61.120346][ T2012] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 61.120348][ T2012] ? vprintk_emit (kernel/printk/printk.c:2478) [ 61.120349][ T2012] vprintk_emit (kernel/printk/printk.c:2479) [ 61.120351][ T2012] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 61.120352][ T2012] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 61.120354][ T2012] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 61.120357][ T2012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.120359][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120360][ T2012] _printk (kernel/printk/printk.c:2504) [ 61.120363][ T2012] ? snapshot_read.cold (user.c:?) [ 61.120365][ T2012] ? br_multicast_flood (??:?) [ 61.120369][ T2012] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 61.120372][ T2012] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 61.120373][ T2012] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 61.120375][ T2012] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 61.120378][ T2012] br_init_port (net/bridge/br_stp_if.c:39) [ 61.120380][ T2012] new_nbp (net/bridge/br_if.c:449) [ 61.120382][ T2012] br_add_if (net/bridge/br_if.c:592) [ 61.120384][ T2012] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 61.120387][ T2012] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 61.120388][ T2012] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 61.120391][ T2012] do_set_master (net/core/rtnetlink.c:3071) [ 61.120393][ T2012] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 61.120395][ T2012] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 61.120396][ T2012] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 61.120398][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120399][ T2012] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 61.120402][ T2012] ? kasan_save_stack (mm/kasan/common.c:58) [ 61.120404][ T2012] ? kasan_save_stack (mm/kasan/common.c:57) [ 61.120405][ T2012] ? kasan_save_track (mm/kasan/common.c:78) [ 61.120406][ T2012] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 61.120407][ T2012] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 61.120409][ T2012] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 61.120410][ T2012] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 61.120411][ T2012] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 61.120414][ T2012] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 61.120415][ T2012] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 61.120417][ T2012] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 61.120420][ T2012] ? ____sys_sendmsg (net/socket.c:2713) [ 61.120421][ T2012] ? ___sys_sendmsg (net/socket.c:2767) [ 61.120423][ T2012] ? __sys_sendmsg (net/socket.c:2799) [ 61.120424][ T2012] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 61.120428][ T2012] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 61.120430][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120431][ T2012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.120433][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120434][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120435][ T2012] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 61.120437][ T2012] ? __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) [ 61.120439][ T2012] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 61.120440][ T2012] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 61.120441][ T2012] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 61.120442][ T2012] ? nla_get_range_signed (lib/nlattr.c:270) [ 61.120446][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120447][ T2012] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 61.120449][ T2012] rtnl_newlink (net/core/rtnetlink.c:4215) [ 61.120451][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120453][ T2012] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 61.120454][ T2012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.120455][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120457][ T2012] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 61.120458][ T2012] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 61.120459][ T2012] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 61.120461][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120462][ T2012] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 61.120465][ T2012] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 61.120467][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120469][ T2012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.120470][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120471][ T2012] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 61.120473][ T2012] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 61.120474][ T2012] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 61.120476][ T2012] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 61.120477][ T2012] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 61.120480][ T2012] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 61.120481][ T2012] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 61.120483][ T2012] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 61.120484][ T2012] ? netlink_ack (./include/linux/skbuff.h:2718) [ 61.120486][ T2012] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 61.120489][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120491][ T2012] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 61.120493][ T2012] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 61.120495][ T2012] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 61.120497][ T2012] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 61.120499][ T2012] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 61.120501][ T2012] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 61.120503][ T2012] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 61.120504][ T2012] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.120506][ T2012] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 61.120509][ T2012] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 61.120511][ T2012] ____sys_sendmsg (net/socket.c:2713) [ 61.120513][ T2012] ? copy_msghdr_from_user (net/socket.c:2650) [ 61.120515][ T2012] ? sock_write_iter (net/socket.c:1269) [ 61.120516][ T2012] ? move_addr_to_kernel (net/socket.c:258) [ 61.120518][ T2012] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 61.120521][ T2012] ___sys_sendmsg (net/socket.c:2767) [ 61.120523][ T2012] ? copy_msghdr_from_user (net/socket.c:2619) [ 61.120528][ T2012] __sys_sendmsg (net/socket.c:2799) [ 61.120530][ T2012] ? __sys_sendmsg_sock (net/socket.c:2780) [ 61.120533][ T2012] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.120534][ T2012] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 61.120536][ T2012] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 61.120538][ T2012] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 61.120539][ T2012] RIP: 0033:0x7f7d851e554e [ 61.120541][ T2012] 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 [ 61.120543][ T2012] RSP: 002b:00007ffe05afaf60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 61.120547][ T2012] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7d851e554e [ 61.120549][ T2012] RDX: 0000000000000000 RSI: 00007ffe05afb010 RDI: 0000000000000005 [ 61.120550][ T2012] RBP: 00007ffe05afaf70 R08: 0000000000000000 R09: 0000000000000000 [ 61.120551][ T2012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db6d [ 61.120552][ T2012] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe05afb6e0 | [ 62.213514][ T2082] softirqs last disabled at (0): 0x0 | [ 62.213516][ T2082] Preemption disabled at: | [ 62.213517][ T2082] vprintk_emit (kernel/printk/printk.c:2471) | [ 62.213527][ T2082] Tainted: [W]=WARN [ 62.213528][ T2082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 62.213530][ T2082] Call Trace: [ 62.213531][ T2082] [ 62.213533][ T2082] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 62.213538][ T2082] ? vprintk_emit (kernel/printk/printk.c:2471) [ 62.213540][ T2082] __might_resched.cold (kernel/sched/core.c:9234) [ 62.213544][ T2082] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 62.213547][ T2082] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 62.213551][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213553][ T2082] __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)) [ 62.213556][ T2082] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 62.213559][ T2082] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.213564][ T2082] ? 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) [ 62.213566][ T2082] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.213568][ T2082] put_chars (drivers/char/virtio_console.c:1176) [ 62.213570][ T2082] ? __send_to_port (drivers/char/virtio_console.c:654) [ 62.213571][ T2082] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 62.213574][ T2082] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 62.213579][ T2082] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 62.213581][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213583][ T2082] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.213585][ T2082] console_emit_next_record (kernel/printk/printk.c:3183) [ 62.213588][ T2082] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 62.213590][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213591][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213592][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213593][ T2082] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.213595][ T2082] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 62.213597][ T2082] console_flush_one_record (kernel/printk/printk.c:3268) [ 62.213600][ T2082] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 62.213602][ T2082] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 62.213604][ T2082] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.213606][ T2082] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 62.213608][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213609][ T2082] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 62.213611][ T2082] ? 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) [ 62.213612][ T2082] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 62.213614][ T2082] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 62.213616][ T2082] ? vprintk_emit (kernel/printk/printk.c:2478) [ 62.213617][ T2082] vprintk_emit (kernel/printk/printk.c:2479) [ 62.213619][ T2082] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 62.213620][ T2082] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 62.213622][ T2082] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 62.213625][ T2082] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.213627][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213628][ T2082] _printk (kernel/printk/printk.c:2504) [ 62.213631][ T2082] ? snapshot_read.cold (user.c:?) [ 62.213633][ T2082] ? br_multicast_flood (??:?) [ 62.213636][ T2082] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 62.213639][ T2082] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.213640][ T2082] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.213642][ T2082] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 62.213645][ T2082] br_init_port (net/bridge/br_stp_if.c:39) [ 62.213647][ T2082] new_nbp (net/bridge/br_if.c:449) [ 62.213649][ T2082] br_add_if (net/bridge/br_if.c:592) [ 62.213651][ T2082] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 62.213654][ T2082] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 62.213655][ T2082] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 62.213658][ T2082] do_set_master (net/core/rtnetlink.c:3071) [ 62.213660][ T2082] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 62.213662][ T2082] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 62.213664][ T2082] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 62.213665][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213666][ T2082] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 62.213670][ T2082] ? kasan_save_stack (mm/kasan/common.c:58) [ 62.213672][ T2082] ? kasan_save_stack (mm/kasan/common.c:57) [ 62.213673][ T2082] ? kasan_save_track (mm/kasan/common.c:78) [ 62.213674][ T2082] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 62.213675][ T2082] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 62.213676][ T2082] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 62.213677][ T2082] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.213678][ T2082] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 62.213681][ T2082] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 62.213683][ T2082] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 62.213685][ T2082] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 62.213687][ T2082] ? ____sys_sendmsg (net/socket.c:2713) [ 62.213689][ T2082] ? ___sys_sendmsg (net/socket.c:2767) [ 62.213690][ T2082] ? __sys_sendmsg (net/socket.c:2799) [ 62.213692][ T2082] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 62.213695][ T2082] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.213698][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213699][ T2082] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.213701][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213702][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213703][ T2082] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 62.213704][ T2082] ? __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) [ 62.213706][ T2082] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 62.213707][ T2082] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 62.213709][ T2082] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 62.213710][ T2082] ? nla_get_range_signed (lib/nlattr.c:270) [ 62.213714][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213715][ T2082] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 62.213717][ T2082] rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.213719][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213720][ T2082] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.213722][ T2082] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.213723][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213725][ T2082] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 62.213726][ T2082] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 62.213727][ T2082] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 62.213729][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213730][ T2082] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 62.213733][ T2082] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 62.213736][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213737][ T2082] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.213739][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213740][ T2082] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.213741][ T2082] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.213743][ T2082] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.213744][ T2082] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 62.213746][ T2082] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 62.213748][ T2082] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 62.213750][ T2082] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.213751][ T2082] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 62.213753][ T2082] ? netlink_ack (./include/linux/skbuff.h:2718) [ 62.213755][ T2082] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 62.213758][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213759][ T2082] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 62.213761][ T2082] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 62.213764][ T2082] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 62.213766][ T2082] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.213767][ T2082] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 62.213770][ T2082] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 62.213771][ T2082] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 62.213773][ T2082] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.213775][ T2082] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 62.213778][ T2082] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 62.213780][ T2082] ____sys_sendmsg (net/socket.c:2713) [ 62.213782][ T2082] ? copy_msghdr_from_user (net/socket.c:2650) [ 62.213783][ T2082] ? sock_write_iter (net/socket.c:1269) [ 62.213785][ T2082] ? move_addr_to_kernel (net/socket.c:258) [ 62.213787][ T2082] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 62.213792][ T2082] ___sys_sendmsg (net/socket.c:2767) [ 62.213794][ T2082] ? copy_msghdr_from_user (net/socket.c:2619) [ 62.213799][ T2082] __sys_sendmsg (net/socket.c:2799) [ 62.213801][ T2082] ? __sys_sendmsg_sock (net/socket.c:2780) [ 62.213804][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.213805][ T2082] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 62.213807][ T2082] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 62.213809][ T2082] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.213811][ T2082] RIP: 0033:0x7f654764854e [ 62.213813][ T2082] 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 [ 62.213815][ T2082] RSP: 002b:00007ffff02d3200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 62.213819][ T2082] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f654764854e [ 62.213820][ T2082] RDX: 0000000000000000 RSI: 00007ffff02d32b0 RDI: 0000000000000005 [ 62.213821][ T2082] RBP: 00007ffff02d3210 R08: 0000000000000000 R09: 0000000000000000 [ 62.213822][ T2082] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db6e [ 62.213823][ T2082] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff02d3980 | [ 63.281588][ T2152] softirqs last disabled at (0): 0x0 | [ 63.281590][ T2152] Preemption disabled at: | [ 63.281590][ T2152] vprintk_emit (kernel/printk/printk.c:2471) | [ 63.281600][ T2152] Tainted: [W]=WARN [ 63.281601][ T2152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.281602][ T2152] Call Trace: [ 63.281604][ T2152] [ 63.281605][ T2152] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 63.281611][ T2152] ? vprintk_emit (kernel/printk/printk.c:2471) [ 63.281612][ T2152] __might_resched.cold (kernel/sched/core.c:9234) [ 63.281616][ T2152] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 63.281619][ T2152] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 63.281623][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281625][ T2152] __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)) [ 63.281628][ T2152] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.281631][ T2152] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.281636][ T2152] ? 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) [ 63.281638][ T2152] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.281640][ T2152] put_chars (drivers/char/virtio_console.c:1176) [ 63.281642][ T2152] ? __send_to_port (drivers/char/virtio_console.c:654) [ 63.281644][ T2152] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 63.281646][ T2152] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 63.281651][ T2152] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 63.281653][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281654][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.281657][ T2152] console_emit_next_record (kernel/printk/printk.c:3183) [ 63.281660][ T2152] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 63.281662][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281663][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281664][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281665][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.281667][ T2152] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 63.281669][ T2152] console_flush_one_record (kernel/printk/printk.c:3268) [ 63.281671][ T2152] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 63.281674][ T2152] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 63.281676][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.281677][ T2152] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 63.281679][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281680][ T2152] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.281682][ T2152] ? 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) [ 63.281683][ T2152] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 63.281685][ T2152] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 63.281687][ T2152] ? vprintk_emit (kernel/printk/printk.c:2478) [ 63.281688][ T2152] vprintk_emit (kernel/printk/printk.c:2479) [ 63.281690][ T2152] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 63.281692][ T2152] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.281693][ T2152] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 63.281696][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.281698][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281699][ T2152] _printk (kernel/printk/printk.c:2504) [ 63.281702][ T2152] ? snapshot_read.cold (user.c:?) [ 63.281705][ T2152] ? br_multicast_flood (??:?) [ 63.281709][ T2152] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 63.281711][ T2152] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 63.281713][ T2152] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 63.281715][ T2152] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 63.281717][ T2152] br_init_port (net/bridge/br_stp_if.c:39) [ 63.281719][ T2152] new_nbp (net/bridge/br_if.c:449) [ 63.281721][ T2152] br_add_if (net/bridge/br_if.c:592) [ 63.281723][ T2152] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 63.281726][ T2152] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 63.281727][ T2152] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 63.281731][ T2152] do_set_master (net/core/rtnetlink.c:3071) [ 63.281732][ T2152] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 63.281734][ T2152] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 63.281736][ T2152] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 63.281737][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281738][ T2152] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 63.281742][ T2152] ? kasan_save_stack (mm/kasan/common.c:58) [ 63.281743][ T2152] ? kasan_save_stack (mm/kasan/common.c:57) [ 63.281745][ T2152] ? kasan_save_track (mm/kasan/common.c:78) [ 63.281746][ T2152] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 63.281747][ T2152] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 63.281748][ T2152] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 63.281749][ T2152] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 63.281750][ T2152] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 63.281753][ T2152] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 63.281755][ T2152] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 63.281756][ T2152] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 63.281759][ T2152] ? ____sys_sendmsg (net/socket.c:2713) [ 63.281761][ T2152] ? ___sys_sendmsg (net/socket.c:2767) [ 63.281762][ T2152] ? __sys_sendmsg (net/socket.c:2799) [ 63.281764][ T2152] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 63.281767][ T2152] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 63.281770][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281771][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.281772][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281773][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281775][ T2152] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 63.281776][ T2152] ? __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) [ 63.281778][ T2152] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 63.281779][ T2152] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 63.281781][ T2152] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 63.281782][ T2152] ? nla_get_range_signed (lib/nlattr.c:270) [ 63.281785][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281786][ T2152] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 63.281793][ T2152] rtnl_newlink (net/core/rtnetlink.c:4215) [ 63.281795][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281796][ T2152] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 63.281797][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.281799][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281800][ T2152] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 63.281801][ T2152] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 63.281803][ T2152] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 63.281804][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281805][ T2152] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 63.281809][ T2152] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 63.281811][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281812][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.281814][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281815][ T2152] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 63.281816][ T2152] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 63.281818][ T2152] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 63.281819][ T2152] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 63.281821][ T2152] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 63.281823][ T2152] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 63.281825][ T2152] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 63.281826][ T2152] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.281828][ T2152] ? netlink_ack (./include/linux/skbuff.h:2718) [ 63.281829][ T2152] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 63.281833][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281834][ T2152] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.281836][ T2152] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 63.281838][ T2152] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 63.281840][ T2152] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 63.281842][ T2152] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 63.281844][ T2152] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 63.281846][ T2152] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 63.281847][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.281849][ T2152] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 63.281852][ T2152] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 63.281854][ T2152] ____sys_sendmsg (net/socket.c:2713) [ 63.281856][ T2152] ? copy_msghdr_from_user (net/socket.c:2650) [ 63.281857][ T2152] ? sock_write_iter (net/socket.c:1269) [ 63.281859][ T2152] ? move_addr_to_kernel (net/socket.c:258) [ 63.281860][ T2152] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 63.281863][ T2152] ___sys_sendmsg (net/socket.c:2767) [ 63.281865][ T2152] ? copy_msghdr_from_user (net/socket.c:2619) [ 63.281870][ T2152] __sys_sendmsg (net/socket.c:2799) [ 63.281872][ T2152] ? __sys_sendmsg_sock (net/socket.c:2780) [ 63.281875][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.281876][ T2152] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 63.281878][ T2152] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 63.281880][ T2152] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 63.281881][ T2152] RIP: 0033:0x7f6e13f7154e [ 63.281883][ T2152] 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 [ 63.281885][ T2152] RSP: 002b:00007fffa174e2e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 63.281889][ T2152] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6e13f7154e [ 63.281890][ T2152] RDX: 0000000000000000 RSI: 00007fffa174e390 RDI: 0000000000000005 [ 63.281892][ T2152] RBP: 00007fffa174e2f0 R08: 0000000000000000 R09: 0000000000000000 [ 63.281892][ T2152] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db6f [ 63.281893][ T2152] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa174ea60 | [ 64.368374][ T12] softirqs last disabled at (5580): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 64.368376][ T12] Preemption disabled at: | [ 64.368377][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 64.368388][ T12] Tainted: [W]=WARN [ 64.368389][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 64.368391][ T12] Workqueue: netns cleanup_net [ 64.368396][ T12] Call Trace: [ 64.368398][ T12] [ 64.368399][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 64.368405][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 64.368406][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 64.368410][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 64.368412][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 64.368416][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.368418][ T12] __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)) [ 64.368421][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.368424][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.368428][ T12] ? 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) [ 64.368430][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.368432][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 64.368434][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 64.368436][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 64.368438][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 64.368443][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 64.368445][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 64.368447][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.368449][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.368450][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.368452][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 64.368454][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 64.368457][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.368458][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.368459][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.368460][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.368462][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 64.368464][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 64.368466][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 64.368469][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 64.368471][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.368472][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 64.368474][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.368475][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.368476][ T12] ? 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) [ 64.368478][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 64.368479][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 64.368481][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 64.368483][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 64.368484][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 64.368486][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 64.368487][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 64.368490][ T12] ? kthread (kernel/kthread.c:436) [ 64.368492][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 64.368494][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 64.368497][ T12] _printk (kernel/printk/printk.c:2504) [ 64.368500][ T12] ? snapshot_read.cold (user.c:?) [ 64.368502][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 64.368505][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 64.368507][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 64.368510][ T12] ? netdev_notice (net/core/dev.c:13194) [ 64.368512][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.368513][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 64.368514][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 64.368517][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 64.368519][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 64.368520][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 64.368522][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 64.368524][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 64.368528][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 64.368530][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 64.368533][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 64.368535][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 64.368537][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 64.368540][ T12] cleanup_net (net/core/net_namespace.c:706) [ 64.368541][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 64.368543][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.368544][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.368546][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.368547][ T12] process_one_work (kernel/workqueue.c:3387) [ 64.368550][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 64.368553][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.368555][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 64.368558][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 64.368560][ T12] kthread (kernel/kthread.c:436) [ 64.368561][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 64.368563][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 64.368565][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 64.368566][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 64.368568][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 64.368571][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 64.368573][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 65.482746][ T2302] softirqs last disabled at (0): 0x0 | [ 65.482747][ T2302] Preemption disabled at: | [ 65.482748][ T2302] vprintk_emit (kernel/printk/printk.c:2471) | [ 65.482758][ T2302] Tainted: [W]=WARN [ 65.482759][ T2302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.482761][ T2302] Call Trace: [ 65.482763][ T2302] [ 65.482764][ T2302] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 65.482770][ T2302] ? vprintk_emit (kernel/printk/printk.c:2471) [ 65.482771][ T2302] __might_resched.cold (kernel/sched/core.c:9234) [ 65.482775][ T2302] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.482778][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482781][ T2302] __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)) [ 65.482785][ T2302] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.482787][ T2302] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.482795][ T2302] ? 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) [ 65.482796][ T2302] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.482799][ T2302] put_chars (drivers/char/virtio_console.c:1176) [ 65.482801][ T2302] ? __send_to_port (drivers/char/virtio_console.c:654) [ 65.482802][ T2302] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 65.482805][ T2302] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 65.482807][ T2302] ? pointer (lib/vsprintf.c:2577) [ 65.482810][ T2302] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 65.482815][ T2302] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 65.482817][ T2302] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.482819][ T2302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.482822][ T2302] console_emit_next_record (kernel/printk/printk.c:3183) [ 65.482824][ T2302] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 65.482826][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482827][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482828][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482829][ T2302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.482831][ T2302] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 65.482833][ T2302] console_flush_one_record (kernel/printk/printk.c:3268) [ 65.482836][ T2302] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 65.482839][ T2302] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 65.482840][ T2302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.482842][ T2302] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 65.482844][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482845][ T2302] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.482846][ T2302] ? 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) [ 65.482848][ T2302] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 65.482849][ T2302] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 65.482852][ T2302] ? vprintk_emit (kernel/printk/printk.c:2478) [ 65.482853][ T2302] vprintk_emit (kernel/printk/printk.c:2479) [ 65.482855][ T2302] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 65.482856][ T2302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.482858][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482860][ T2302] _printk (kernel/printk/printk.c:2504) [ 65.482863][ T2302] ? snapshot_read.cold (user.c:?) [ 65.482865][ T2302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.482866][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482867][ T2302] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 65.482871][ T2302] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 65.482873][ T2302] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 65.482876][ T2302] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 65.482879][ T2302] ? netdev_notice (net/core/dev.c:13194) [ 65.482880][ T2302] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.482882][ T2302] ? 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) [ 65.482884][ T2302] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.482886][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482887][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482888][ T2302] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.482891][ T2302] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 65.482893][ T2302] ? 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) [ 65.482894][ T2302] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 65.482895][ T2302] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 65.482897][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482898][ T2302] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.482900][ T2302] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 65.482904][ T2302] ? __kernel_text_address (kernel/extable.c:79) [ 65.482906][ T2302] ? write_profile (profile.c:?) [ 65.482909][ T2302] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 65.482912][ T2302] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 65.482914][ T2302] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 65.482916][ T2302] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 65.482917][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482918][ T2302] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 65.482922][ T2302] ? kasan_save_stack (mm/kasan/common.c:58) [ 65.482924][ T2302] ? kasan_save_stack (mm/kasan/common.c:57) [ 65.482925][ T2302] ? kasan_save_track (mm/kasan/common.c:78) [ 65.482926][ T2302] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 65.482927][ T2302] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 65.482928][ T2302] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 65.482929][ T2302] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 65.482930][ T2302] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 65.482933][ T2302] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 65.482935][ T2302] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 65.482937][ T2302] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 65.482939][ T2302] ? ____sys_sendmsg (net/socket.c:2713) [ 65.482941][ T2302] ? ___sys_sendmsg (net/socket.c:2767) [ 65.482942][ T2302] ? __sys_sendmsg (net/socket.c:2799) [ 65.482944][ T2302] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 65.482946][ T2302] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 65.482949][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482950][ T2302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.482951][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482952][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482953][ T2302] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 65.482955][ T2302] ? __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) [ 65.482957][ T2302] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 65.482958][ T2302] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 65.482960][ T2302] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 65.482961][ T2302] ? nla_get_range_signed (lib/nlattr.c:270) [ 65.482964][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482965][ T2302] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 65.482967][ T2302] rtnl_newlink (net/core/rtnetlink.c:4215) [ 65.482969][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482970][ T2302] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 65.482972][ T2302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.482973][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482974][ T2302] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 65.482977][ T2302] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 65.482978][ T2302] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 65.482980][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482981][ T2302] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 65.482984][ T2302] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 65.482987][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482988][ T2302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.482989][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.482990][ T2302] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 65.482992][ T2302] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 65.482993][ T2302] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 65.482995][ T2302] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 65.482996][ T2302] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 65.482999][ T2302] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 65.483000][ T2302] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 65.483002][ T2302] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.483003][ T2302] ? netlink_ack (./include/linux/skbuff.h:2718) [ 65.483005][ T2302] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 65.483008][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.483010][ T2302] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.483012][ T2302] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 65.483014][ T2302] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 65.483016][ T2302] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 65.483018][ T2302] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 65.483020][ T2302] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 65.483021][ T2302] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 65.483023][ T2302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.483025][ T2302] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 65.483028][ T2302] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 65.483030][ T2302] ____sys_sendmsg (net/socket.c:2713) [ 65.483032][ T2302] ? copy_msghdr_from_user (net/socket.c:2650) [ 65.483033][ T2302] ? sock_write_iter (net/socket.c:1269) [ 65.483035][ T2302] ? move_addr_to_kernel (net/socket.c:258) [ 65.483036][ T2302] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 65.483039][ T2302] ___sys_sendmsg (net/socket.c:2767) [ 65.483041][ T2302] ? copy_msghdr_from_user (net/socket.c:2619) [ 65.483046][ T2302] __sys_sendmsg (net/socket.c:2799) [ 65.483048][ T2302] ? __sys_sendmsg_sock (net/socket.c:2780) [ 65.483051][ T2302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.483052][ T2302] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 65.483054][ T2302] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 65.483056][ T2302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 65.483058][ T2302] RIP: 0033:0x7fadf19cb54e [ 65.483060][ T2302] 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 [ 65.483062][ T2302] RSP: 002b:00007ffe07fcd2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 65.483066][ T2302] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fadf19cb54e [ 65.483067][ T2302] RDX: 0000000000000000 RSI: 00007ffe07fcd3a0 RDI: 0000000000000005 [ 65.483068][ T2302] RBP: 00007ffe07fcd300 R08: 0000000000000000 R09: 0000000000000000 [ 65.483069][ T2302] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db71 [ 65.483070][ T2302] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe07fcda70 | [ 76.814167][ T2605] softirqs last disabled at (0): 0x0 | [ 76.814169][ T2605] Preemption disabled at: | [ 76.814170][ T2605] vprintk_emit (kernel/printk/printk.c:2471) | [ 76.814180][ T2605] Tainted: [W]=WARN [ 76.814181][ T2605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 76.814182][ T2605] Call Trace: [ 76.814184][ T2605] [ 76.814185][ T2605] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 76.814190][ T2605] ? vprintk_emit (kernel/printk/printk.c:2471) [ 76.814200][ T2605] __might_resched.cold (kernel/sched/core.c:9234) [ 76.814204][ T2605] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 76.814208][ T2605] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 76.814211][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814214][ T2605] __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)) [ 76.814217][ T2605] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.814220][ T2605] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.814224][ T2605] ? 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) [ 76.814226][ T2605] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.814229][ T2605] put_chars (drivers/char/virtio_console.c:1176) [ 76.814231][ T2605] ? __send_to_port (drivers/char/virtio_console.c:654) [ 76.814232][ T2605] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 76.814235][ T2605] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 76.814239][ T2605] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 76.814241][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814242][ T2605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.814245][ T2605] console_emit_next_record (kernel/printk/printk.c:3183) [ 76.814247][ T2605] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 76.814249][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814250][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814251][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814252][ T2605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.814254][ T2605] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 76.814256][ T2605] console_flush_one_record (kernel/printk/printk.c:3268) [ 76.814259][ T2605] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 76.814261][ T2605] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 76.814263][ T2605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.814265][ T2605] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 76.814267][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814268][ T2605] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.814269][ T2605] ? 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) [ 76.814271][ T2605] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 76.814272][ T2605] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 76.814274][ T2605] ? vprintk_emit (kernel/printk/printk.c:2478) [ 76.814275][ T2605] vprintk_emit (kernel/printk/printk.c:2479) [ 76.814277][ T2605] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 76.814278][ T2605] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.814280][ T2605] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 76.814283][ T2605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.814284][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814286][ T2605] _printk (kernel/printk/printk.c:2504) [ 76.814289][ T2605] ? snapshot_read.cold (user.c:?) [ 76.814291][ T2605] ? br_multicast_flood (??:?) [ 76.814294][ T2605] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 76.814297][ T2605] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 76.814298][ T2605] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 76.814300][ T2605] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 76.814303][ T2605] br_init_port (net/bridge/br_stp_if.c:39) [ 76.814304][ T2605] new_nbp (net/bridge/br_if.c:449) [ 76.814306][ T2605] br_add_if (net/bridge/br_if.c:592) [ 76.814308][ T2605] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 76.814311][ T2605] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 76.814312][ T2605] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 76.814315][ T2605] do_set_master (net/core/rtnetlink.c:3071) [ 76.814317][ T2605] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 76.814319][ T2605] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 76.814320][ T2605] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 76.814321][ T2605] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 76.814325][ T2605] ? kasan_save_stack (mm/kasan/common.c:58) [ 76.814327][ T2605] ? kasan_save_stack (mm/kasan/common.c:57) [ 76.814328][ T2605] ? kasan_save_track (mm/kasan/common.c:78) [ 76.814329][ T2605] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 76.814330][ T2605] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 76.814331][ T2605] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 76.814332][ T2605] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 76.814333][ T2605] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 76.814336][ T2605] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 76.814337][ T2605] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 76.814339][ T2605] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 76.814341][ T2605] ? ____sys_sendmsg (net/socket.c:2713) [ 76.814343][ T2605] ? ___sys_sendmsg (net/socket.c:2767) [ 76.814344][ T2605] ? __sys_sendmsg (net/socket.c:2799) [ 76.814346][ T2605] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 76.814349][ T2605] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 76.814351][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814353][ T2605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.814354][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814355][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814356][ T2605] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 76.814358][ T2605] ? __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) [ 76.814359][ T2605] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 76.814361][ T2605] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 76.814362][ T2605] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 76.814363][ T2605] ? nla_get_range_signed (lib/nlattr.c:270) [ 76.814366][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814368][ T2605] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 76.814370][ T2605] rtnl_newlink (net/core/rtnetlink.c:4215) [ 76.814372][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814373][ T2605] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 76.814374][ T2605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.814375][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814377][ T2605] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 76.814378][ T2605] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 76.814379][ T2605] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 76.814381][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814382][ T2605] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 76.814385][ T2605] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 76.814387][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814388][ T2605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.814390][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814391][ T2605] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 76.814392][ T2605] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 76.814394][ T2605] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 76.814395][ T2605] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 76.814397][ T2605] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 76.814399][ T2605] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 76.814401][ T2605] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 76.814402][ T2605] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.814403][ T2605] ? netlink_ack (./include/linux/skbuff.h:2718) [ 76.814405][ T2605] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 76.814408][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814409][ T2605] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.814411][ T2605] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 76.814413][ T2605] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 76.814415][ T2605] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 76.814417][ T2605] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 76.814419][ T2605] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 76.814421][ T2605] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 76.814422][ T2605] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.814424][ T2605] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 76.814427][ T2605] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 76.814429][ T2605] ____sys_sendmsg (net/socket.c:2713) [ 76.814431][ T2605] ? copy_msghdr_from_user (net/socket.c:2650) [ 76.814432][ T2605] ? sock_write_iter (net/socket.c:1269) [ 76.814434][ T2605] ? move_addr_to_kernel (net/socket.c:258) [ 76.814435][ T2605] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 76.814438][ T2605] ___sys_sendmsg (net/socket.c:2767) [ 76.814440][ T2605] ? copy_msghdr_from_user (net/socket.c:2619) [ 76.814444][ T2605] __sys_sendmsg (net/socket.c:2799) [ 76.814446][ T2605] ? __sys_sendmsg_sock (net/socket.c:2780) [ 76.814449][ T2605] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.814451][ T2605] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 76.814452][ T2605] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 76.814454][ T2605] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 76.814456][ T2605] RIP: 0033:0x7fc0520d054e [ 76.814458][ T2605] 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 [ 76.814459][ T2605] RSP: 002b:00007fff421d8b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 76.814463][ T2605] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc0520d054e [ 76.814465][ T2605] RDX: 0000000000000000 RSI: 00007fff421d8c10 RDI: 0000000000000005 [ 76.814466][ T2605] RBP: 00007fff421d8b70 R08: 0000000000000000 R09: 0000000000000000 [ 76.814466][ T2605] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db7d [ 76.814467][ T2605] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff421d92e0 | [ 77.902467][ T2695] softirqs last disabled at (0): 0x0 | [ 77.902469][ T2695] Preemption disabled at: | [ 77.902469][ T2695] vprintk_emit (kernel/printk/printk.c:2471) | [ 77.902479][ T2695] Tainted: [W]=WARN [ 77.902480][ T2695] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 77.902482][ T2695] Call Trace: [ 77.902483][ T2695] [ 77.902485][ T2695] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 77.902490][ T2695] ? vprintk_emit (kernel/printk/printk.c:2471) [ 77.902492][ T2695] __might_resched.cold (kernel/sched/core.c:9234) [ 77.902496][ T2695] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 77.902499][ T2695] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 77.902502][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902505][ T2695] __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)) [ 77.902507][ T2695] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.902510][ T2695] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.902516][ T2695] ? 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) [ 77.902517][ T2695] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.902520][ T2695] put_chars (drivers/char/virtio_console.c:1176) [ 77.902522][ T2695] ? __send_to_port (drivers/char/virtio_console.c:654) [ 77.902523][ T2695] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 77.902526][ T2695] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 77.902531][ T2695] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 77.902533][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902534][ T2695] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.902536][ T2695] console_emit_next_record (kernel/printk/printk.c:3183) [ 77.902539][ T2695] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 77.902541][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902542][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902543][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902544][ T2695] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.902546][ T2695] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 77.902548][ T2695] console_flush_one_record (kernel/printk/printk.c:3268) [ 77.902551][ T2695] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 77.902553][ T2695] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 77.902555][ T2695] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.902557][ T2695] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 77.902559][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902560][ T2695] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.902561][ T2695] ? 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) [ 77.902563][ T2695] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 77.902564][ T2695] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 77.902566][ T2695] ? vprintk_emit (kernel/printk/printk.c:2478) [ 77.902568][ T2695] vprintk_emit (kernel/printk/printk.c:2479) [ 77.902569][ T2695] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 77.902571][ T2695] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.902572][ T2695] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 77.902575][ T2695] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.902577][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902578][ T2695] _printk (kernel/printk/printk.c:2504) [ 77.902581][ T2695] ? snapshot_read.cold (user.c:?) [ 77.902583][ T2695] ? br_multicast_flood (??:?) [ 77.902587][ T2695] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 77.902590][ T2695] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 77.902591][ T2695] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 77.902593][ T2695] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 77.902596][ T2695] br_init_port (net/bridge/br_stp_if.c:39) [ 77.902597][ T2695] new_nbp (net/bridge/br_if.c:449) [ 77.902599][ T2695] br_add_if (net/bridge/br_if.c:592) [ 77.902601][ T2695] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 77.902604][ T2695] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 77.902605][ T2695] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 77.902609][ T2695] do_set_master (net/core/rtnetlink.c:3071) [ 77.902610][ T2695] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 77.902612][ T2695] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 77.902614][ T2695] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 77.902615][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902616][ T2695] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 77.902620][ T2695] ? kasan_save_stack (mm/kasan/common.c:58) [ 77.902621][ T2695] ? kasan_save_stack (mm/kasan/common.c:57) [ 77.902622][ T2695] ? kasan_save_track (mm/kasan/common.c:78) [ 77.902623][ T2695] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 77.902625][ T2695] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 77.902626][ T2695] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 77.902627][ T2695] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 77.902628][ T2695] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 77.902631][ T2695] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 77.902632][ T2695] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 77.902634][ T2695] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 77.902636][ T2695] ? ____sys_sendmsg (net/socket.c:2713) [ 77.902638][ T2695] ? ___sys_sendmsg (net/socket.c:2767) [ 77.902639][ T2695] ? __sys_sendmsg (net/socket.c:2799) [ 77.902641][ T2695] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 77.902644][ T2695] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 77.902647][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902648][ T2695] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.902650][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902650][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902652][ T2695] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 77.902653][ T2695] ? __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) [ 77.902655][ T2695] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 77.902656][ T2695] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 77.902658][ T2695] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 77.902659][ T2695] ? nla_get_range_signed (lib/nlattr.c:270) [ 77.902662][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902663][ T2695] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 77.902665][ T2695] rtnl_newlink (net/core/rtnetlink.c:4215) [ 77.902667][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902668][ T2695] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.902669][ T2695] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.902671][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902672][ T2695] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 77.902674][ T2695] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 77.902675][ T2695] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 77.902676][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902677][ T2695] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 77.902680][ T2695] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 77.902683][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902684][ T2695] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.902686][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902687][ T2695] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.902688][ T2695] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 77.902690][ T2695] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.902691][ T2695] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 77.902693][ T2695] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 77.902695][ T2695] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 77.902697][ T2695] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.902698][ T2695] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.902700][ T2695] ? netlink_ack (./include/linux/skbuff.h:2718) [ 77.902701][ T2695] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 77.902705][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902706][ T2695] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.902708][ T2695] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 77.902710][ T2695] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 77.902712][ T2695] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 77.902714][ T2695] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 77.902716][ T2695] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 77.902717][ T2695] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 77.902719][ T2695] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.902721][ T2695] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 77.902724][ T2695] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 77.902725][ T2695] ____sys_sendmsg (net/socket.c:2713) [ 77.902727][ T2695] ? copy_msghdr_from_user (net/socket.c:2650) [ 77.902729][ T2695] ? sock_write_iter (net/socket.c:1269) [ 77.902730][ T2695] ? move_addr_to_kernel (net/socket.c:258) [ 77.902732][ T2695] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 77.902735][ T2695] ___sys_sendmsg (net/socket.c:2767) [ 77.902736][ T2695] ? copy_msghdr_from_user (net/socket.c:2619) [ 77.902741][ T2695] __sys_sendmsg (net/socket.c:2799) [ 77.902743][ T2695] ? __sys_sendmsg_sock (net/socket.c:2780) [ 77.902746][ T2695] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.902748][ T2695] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 77.902750][ T2695] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 77.902754][ T2695] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 77.902755][ T2695] RIP: 0033:0x7fd179bcd54e [ 77.902757][ T2695] 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 [ 77.902759][ T2695] RSP: 002b:00007ffc9dc64640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 77.902763][ T2695] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd179bcd54e [ 77.902764][ T2695] RDX: 0000000000000000 RSI: 00007ffc9dc646f0 RDI: 0000000000000005 [ 77.902765][ T2695] RBP: 00007ffc9dc64650 R08: 0000000000000000 R09: 0000000000000000 [ 77.902766][ T2695] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db7e [ 77.902767][ T2695] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9dc64dc0 | [ 78.961670][ T2766] softirqs last disabled at (0): 0x0 | [ 78.961671][ T2766] Preemption disabled at: | [ 78.961672][ T2766] vprintk_emit (kernel/printk/printk.c:2471) | [ 78.961682][ T2766] Tainted: [W]=WARN [ 78.961683][ T2766] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 78.961685][ T2766] Call Trace: [ 78.961686][ T2766] [ 78.961688][ T2766] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 78.961693][ T2766] ? vprintk_emit (kernel/printk/printk.c:2471) [ 78.961694][ T2766] __might_resched.cold (kernel/sched/core.c:9234) [ 78.961698][ T2766] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 78.961701][ T2766] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 78.961705][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961707][ T2766] __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)) [ 78.961710][ T2766] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 78.961713][ T2766] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.961718][ T2766] ? 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) [ 78.961719][ T2766] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.961722][ T2766] put_chars (drivers/char/virtio_console.c:1176) [ 78.961723][ T2766] ? __send_to_port (drivers/char/virtio_console.c:654) [ 78.961725][ T2766] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 78.961728][ T2766] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 78.961732][ T2766] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 78.961734][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961735][ T2766] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.961738][ T2766] console_emit_next_record (kernel/printk/printk.c:3183) [ 78.961741][ T2766] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 78.961743][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961744][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961745][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961746][ T2766] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.961748][ T2766] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 78.961749][ T2766] console_flush_one_record (kernel/printk/printk.c:3268) [ 78.961752][ T2766] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 78.961755][ T2766] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 78.961756][ T2766] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.961758][ T2766] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 78.961760][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961761][ T2766] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 78.961762][ T2766] ? 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) [ 78.961764][ T2766] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 78.961765][ T2766] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 78.961767][ T2766] ? vprintk_emit (kernel/printk/printk.c:2478) [ 78.961769][ T2766] vprintk_emit (kernel/printk/printk.c:2479) [ 78.961771][ T2766] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 78.961772][ T2766] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 78.961773][ T2766] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 78.961776][ T2766] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.961778][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961779][ T2766] _printk (kernel/printk/printk.c:2504) [ 78.961782][ T2766] ? snapshot_read.cold (user.c:?) [ 78.961784][ T2766] ? br_multicast_flood (??:?) [ 78.961788][ T2766] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 78.961792][ T2766] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 78.961793][ T2766] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 78.961796][ T2766] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 78.961798][ T2766] br_init_port (net/bridge/br_stp_if.c:39) [ 78.961800][ T2766] new_nbp (net/bridge/br_if.c:449) [ 78.961802][ T2766] br_add_if (net/bridge/br_if.c:592) [ 78.961804][ T2766] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 78.961807][ T2766] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 78.961808][ T2766] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 78.961811][ T2766] do_set_master (net/core/rtnetlink.c:3071) [ 78.961813][ T2766] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 78.961815][ T2766] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 78.961816][ T2766] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 78.961817][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961818][ T2766] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 78.961822][ T2766] ? kasan_save_stack (mm/kasan/common.c:58) [ 78.961824][ T2766] ? kasan_save_stack (mm/kasan/common.c:57) [ 78.961825][ T2766] ? kasan_save_track (mm/kasan/common.c:78) [ 78.961826][ T2766] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 78.961827][ T2766] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 78.961828][ T2766] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 78.961829][ T2766] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 78.961830][ T2766] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 78.961833][ T2766] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 78.961835][ T2766] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 78.961836][ T2766] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 78.961839][ T2766] ? ____sys_sendmsg (net/socket.c:2713) [ 78.961840][ T2766] ? ___sys_sendmsg (net/socket.c:2767) [ 78.961842][ T2766] ? __sys_sendmsg (net/socket.c:2799) [ 78.961843][ T2766] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 78.961846][ T2766] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.961849][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961850][ T2766] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.961852][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961853][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961854][ T2766] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 78.961856][ T2766] ? __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) [ 78.961857][ T2766] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 78.961859][ T2766] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 78.961860][ T2766] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 78.961861][ T2766] ? nla_get_range_signed (lib/nlattr.c:270) [ 78.961864][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961866][ T2766] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 78.961868][ T2766] rtnl_newlink (net/core/rtnetlink.c:4215) [ 78.961870][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961871][ T2766] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.961872][ T2766] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.961873][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961875][ T2766] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 78.961876][ T2766] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 78.961877][ T2766] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 78.961879][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961880][ T2766] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 78.961883][ T2766] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 78.961885][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961887][ T2766] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.961888][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961889][ T2766] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.961891][ T2766] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 78.961892][ T2766] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 78.961894][ T2766] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 78.961895][ T2766] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 78.961897][ T2766] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 78.961899][ T2766] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 78.961900][ T2766] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 78.961902][ T2766] ? netlink_ack (./include/linux/skbuff.h:2718) [ 78.961903][ T2766] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 78.961907][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961908][ T2766] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 78.961910][ T2766] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 78.961912][ T2766] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 78.961914][ T2766] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.961916][ T2766] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 78.961918][ T2766] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 78.961919][ T2766] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 78.961921][ T2766] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.961922][ T2766] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 78.961926][ T2766] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 78.961928][ T2766] ____sys_sendmsg (net/socket.c:2713) [ 78.961929][ T2766] ? copy_msghdr_from_user (net/socket.c:2650) [ 78.961931][ T2766] ? sock_write_iter (net/socket.c:1269) [ 78.961932][ T2766] ? move_addr_to_kernel (net/socket.c:258) [ 78.961934][ T2766] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 78.961936][ T2766] ___sys_sendmsg (net/socket.c:2767) [ 78.961938][ T2766] ? copy_msghdr_from_user (net/socket.c:2619) [ 78.961943][ T2766] __sys_sendmsg (net/socket.c:2799) [ 78.961945][ T2766] ? __sys_sendmsg_sock (net/socket.c:2780) [ 78.961948][ T2766] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.961949][ T2766] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 78.961951][ T2766] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 78.961953][ T2766] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.961955][ T2766] RIP: 0033:0x7fadcbd0054e [ 78.961957][ T2766] 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 [ 78.961958][ T2766] RSP: 002b:00007ffc84c37750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 78.961962][ T2766] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fadcbd0054e [ 78.961964][ T2766] RDX: 0000000000000000 RSI: 00007ffc84c37800 RDI: 0000000000000005 [ 78.961965][ T2766] RBP: 00007ffc84c37760 R08: 0000000000000000 R09: 0000000000000000 [ 78.961965][ T2766] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db7f [ 78.961966][ T2766] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc84c37ed0 | [ 80.081410][ T2836] softirqs last disabled at (0): 0x0 | [ 80.081411][ T2836] Preemption disabled at: | [ 80.081412][ T2836] vprintk_emit (kernel/printk/printk.c:2471) | [ 80.081422][ T2836] Tainted: [W]=WARN [ 80.081423][ T2836] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 80.081425][ T2836] Call Trace: [ 80.081426][ T2836] [ 80.081427][ T2836] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 80.081433][ T2836] ? vprintk_emit (kernel/printk/printk.c:2471) [ 80.081434][ T2836] __might_resched.cold (kernel/sched/core.c:9234) [ 80.081438][ T2836] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 80.081442][ T2836] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 80.081445][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081448][ T2836] __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)) [ 80.081451][ T2836] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.081454][ T2836] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.081459][ T2836] ? 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) [ 80.081460][ T2836] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.081463][ T2836] put_chars (drivers/char/virtio_console.c:1176) [ 80.081465][ T2836] ? __send_to_port (drivers/char/virtio_console.c:654) [ 80.081466][ T2836] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 80.081469][ T2836] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 80.081474][ T2836] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 80.081476][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081477][ T2836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.081480][ T2836] console_emit_next_record (kernel/printk/printk.c:3183) [ 80.081483][ T2836] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 80.081485][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081486][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081487][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081488][ T2836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.081491][ T2836] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 80.081492][ T2836] console_flush_one_record (kernel/printk/printk.c:3268) [ 80.081495][ T2836] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 80.081498][ T2836] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 80.081500][ T2836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.081502][ T2836] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 80.081504][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081505][ T2836] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 80.081506][ T2836] ? 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) [ 80.081508][ T2836] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 80.081509][ T2836] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 80.081511][ T2836] ? vprintk_emit (kernel/printk/printk.c:2478) [ 80.081513][ T2836] vprintk_emit (kernel/printk/printk.c:2479) [ 80.081515][ T2836] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 80.081516][ T2836] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.081518][ T2836] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 80.081521][ T2836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.081523][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081524][ T2836] _printk (kernel/printk/printk.c:2504) [ 80.081527][ T2836] ? snapshot_read.cold (user.c:?) [ 80.081529][ T2836] ? br_multicast_flood (??:?) [ 80.081533][ T2836] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 80.081536][ T2836] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 80.081537][ T2836] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 80.081539][ T2836] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 80.081542][ T2836] br_init_port (net/bridge/br_stp_if.c:39) [ 80.081544][ T2836] new_nbp (net/bridge/br_if.c:449) [ 80.081546][ T2836] br_add_if (net/bridge/br_if.c:592) [ 80.081548][ T2836] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 80.081550][ T2836] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 80.081552][ T2836] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 80.081555][ T2836] do_set_master (net/core/rtnetlink.c:3071) [ 80.081557][ T2836] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 80.081558][ T2836] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 80.081560][ T2836] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 80.081561][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081563][ T2836] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 80.081566][ T2836] ? kasan_save_stack (mm/kasan/common.c:58) [ 80.081568][ T2836] ? kasan_save_stack (mm/kasan/common.c:57) [ 80.081569][ T2836] ? kasan_save_track (mm/kasan/common.c:78) [ 80.081570][ T2836] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 80.081571][ T2836] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 80.081573][ T2836] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 80.081574][ T2836] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 80.081575][ T2836] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 80.081578][ T2836] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 80.081580][ T2836] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 80.081581][ T2836] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 80.081584][ T2836] ? ____sys_sendmsg (net/socket.c:2713) [ 80.081585][ T2836] ? ___sys_sendmsg (net/socket.c:2767) [ 80.081587][ T2836] ? __sys_sendmsg (net/socket.c:2799) [ 80.081589][ T2836] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 80.081592][ T2836] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 80.081595][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081596][ T2836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.081598][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081599][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081600][ T2836] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 80.081601][ T2836] ? __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) [ 80.081603][ T2836] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 80.081604][ T2836] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 80.081606][ T2836] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 80.081607][ T2836] ? nla_get_range_signed (lib/nlattr.c:270) [ 80.081610][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081612][ T2836] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 80.081614][ T2836] rtnl_newlink (net/core/rtnetlink.c:4215) [ 80.081616][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081617][ T2836] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 80.081618][ T2836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.081620][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081621][ T2836] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 80.081623][ T2836] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 80.081624][ T2836] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 80.081625][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081627][ T2836] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 80.081630][ T2836] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 80.081632][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081633][ T2836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.081635][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081636][ T2836] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 80.081637][ T2836] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 80.081639][ T2836] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 80.081641][ T2836] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 80.081642][ T2836] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 80.081645][ T2836] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 80.081646][ T2836] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 80.081648][ T2836] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 80.081649][ T2836] ? netlink_ack (./include/linux/skbuff.h:2718) [ 80.081651][ T2836] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 80.081654][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081655][ T2836] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 80.081658][ T2836] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 80.081660][ T2836] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 80.081662][ T2836] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 80.081664][ T2836] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 80.081666][ T2836] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 80.081668][ T2836] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 80.081669][ T2836] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.081671][ T2836] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 80.081674][ T2836] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 80.081676][ T2836] ____sys_sendmsg (net/socket.c:2713) [ 80.081678][ T2836] ? copy_msghdr_from_user (net/socket.c:2650) [ 80.081679][ T2836] ? sock_write_iter (net/socket.c:1269) [ 80.081681][ T2836] ? move_addr_to_kernel (net/socket.c:258) [ 80.081683][ T2836] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 80.081685][ T2836] ___sys_sendmsg (net/socket.c:2767) [ 80.081687][ T2836] ? copy_msghdr_from_user (net/socket.c:2619) [ 80.081692][ T2836] __sys_sendmsg (net/socket.c:2799) [ 80.081694][ T2836] ? __sys_sendmsg_sock (net/socket.c:2780) [ 80.081697][ T2836] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.081699][ T2836] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 80.081701][ T2836] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 80.081703][ T2836] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 80.081704][ T2836] RIP: 0033:0x7f791533054e [ 80.081706][ T2836] 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 [ 80.081708][ T2836] RSP: 002b:00007ffd3317e600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 80.081712][ T2836] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f791533054e [ 80.081714][ T2836] RDX: 0000000000000000 RSI: 00007ffd3317e6b0 RDI: 0000000000000005 [ 80.081715][ T2836] RBP: 00007ffd3317e610 R08: 0000000000000000 R09: 0000000000000000 [ 80.081716][ T2836] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db80 [ 80.081717][ T2836] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3317ed80 | [ 81.221094][ T12] softirqs last disabled at (5580): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 81.221098][ T12] Preemption disabled at: | [ 81.221099][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 81.221114][ T12] Tainted: [W]=WARN [ 81.221115][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 81.221118][ T12] Workqueue: netns cleanup_net [ 81.221124][ T12] Call Trace: [ 81.221126][ T12] [ 81.221128][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 81.221134][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 81.221136][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 81.221141][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 81.221144][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 81.221148][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.221152][ T12] __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)) [ 81.221155][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 81.221159][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 81.221165][ T12] ? 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) [ 81.221167][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 81.221171][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 81.221174][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 81.221177][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 81.221181][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 81.221187][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 81.221189][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 81.221200][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 81.221202][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.221204][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.221207][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 81.221211][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 81.221214][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.221216][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.221218][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.221220][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.221223][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 81.221226][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 81.221230][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 81.221234][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 81.221237][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.221239][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 81.221242][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.221244][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 81.221246][ T12] ? 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) [ 81.221249][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 81.221251][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 81.221254][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 81.221257][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 81.221260][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 81.221262][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 81.221264][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 81.221268][ T12] ? kthread (kernel/kthread.c:436) [ 81.221271][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 81.221274][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 81.221278][ T12] _printk (kernel/printk/printk.c:2504) [ 81.221282][ T12] ? snapshot_read.cold (user.c:?) [ 81.221286][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 81.221290][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 81.221293][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 81.221296][ T12] ? netdev_notice (net/core/dev.c:13194) [ 81.221300][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.221302][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 81.221305][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 81.221308][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 81.221311][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 81.221313][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 81.221317][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 81.221321][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 81.221326][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 81.221329][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 81.221333][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 81.221336][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 81.221339][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 81.221343][ T12] cleanup_net (net/core/net_namespace.c:706) [ 81.221346][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 81.221349][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 81.221353][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 81.221355][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 81.221358][ T12] process_one_work (kernel/workqueue.c:3387) [ 81.221363][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 81.221367][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 81.221371][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 81.221376][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 81.221378][ T12] kthread (kernel/kthread.c:436) [ 81.221381][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 81.221383][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 81.221387][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 81.221389][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 81.221392][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 81.221397][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 81.221400][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 82.352236][ T2983] softirqs last disabled at (0): 0x0 | [ 82.352237][ T2983] Preemption disabled at: | [ 82.352238][ T2983] vprintk_emit (kernel/printk/printk.c:2471) | [ 82.352249][ T2983] Tainted: [W]=WARN [ 82.352250][ T2983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 82.352252][ T2983] Call Trace: [ 82.352253][ T2983] [ 82.352255][ T2983] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 82.352260][ T2983] ? vprintk_emit (kernel/printk/printk.c:2471) [ 82.352261][ T2983] __might_resched.cold (kernel/sched/core.c:9234) [ 82.352265][ T2983] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 82.352269][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352271][ T2983] __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)) [ 82.352275][ T2983] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.352277][ T2983] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.352282][ T2983] ? 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) [ 82.352284][ T2983] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.352287][ T2983] put_chars (drivers/char/virtio_console.c:1176) [ 82.352288][ T2983] ? __send_to_port (drivers/char/virtio_console.c:654) [ 82.352290][ T2983] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 82.352292][ T2983] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 82.352294][ T2983] ? pointer (lib/vsprintf.c:2577) [ 82.352298][ T2983] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 82.352302][ T2983] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 82.352304][ T2983] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.352306][ T2983] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.352309][ T2983] console_emit_next_record (kernel/printk/printk.c:3183) [ 82.352312][ T2983] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 82.352314][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352315][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352316][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352317][ T2983] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.352319][ T2983] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 82.352320][ T2983] console_flush_one_record (kernel/printk/printk.c:3268) [ 82.352323][ T2983] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 82.352326][ T2983] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 82.352328][ T2983] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.352329][ T2983] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 82.352331][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352332][ T2983] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.352334][ T2983] ? 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) [ 82.352335][ T2983] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 82.352337][ T2983] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 82.352339][ T2983] ? vprintk_emit (kernel/printk/printk.c:2478) [ 82.352340][ T2983] vprintk_emit (kernel/printk/printk.c:2479) [ 82.352342][ T2983] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 82.352343][ T2983] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.352345][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352346][ T2983] _printk (kernel/printk/printk.c:2504) [ 82.352349][ T2983] ? snapshot_read.cold (user.c:?) [ 82.352351][ T2983] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.352353][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352354][ T2983] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 82.352357][ T2983] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 82.352359][ T2983] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 82.352362][ T2983] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 82.352365][ T2983] ? netdev_notice (net/core/dev.c:13194) [ 82.352366][ T2983] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.352368][ T2983] ? 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) [ 82.352370][ T2983] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.352372][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352373][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352374][ T2983] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 82.352377][ T2983] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 82.352378][ T2983] ? 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) [ 82.352380][ T2983] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 82.352381][ T2983] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 82.352383][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352384][ T2983] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.352386][ T2983] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 82.352389][ T2983] ? __kernel_text_address (kernel/extable.c:79) [ 82.352392][ T2983] ? write_profile (profile.c:?) [ 82.352395][ T2983] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 82.352399][ T2983] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 82.352401][ T2983] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 82.352402][ T2983] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 82.352403][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352404][ T2983] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 82.352408][ T2983] ? kasan_save_stack (mm/kasan/common.c:58) [ 82.352410][ T2983] ? kasan_save_stack (mm/kasan/common.c:57) [ 82.352411][ T2983] ? kasan_save_track (mm/kasan/common.c:78) [ 82.352412][ T2983] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 82.352413][ T2983] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 82.352414][ T2983] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 82.352415][ T2983] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.352416][ T2983] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 82.352419][ T2983] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 82.352421][ T2983] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 82.352422][ T2983] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 82.352425][ T2983] ? ____sys_sendmsg (net/socket.c:2713) [ 82.352426][ T2983] ? ___sys_sendmsg (net/socket.c:2767) [ 82.352428][ T2983] ? __sys_sendmsg (net/socket.c:2799) [ 82.352430][ T2983] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 82.352432][ T2983] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.352435][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352436][ T2983] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.352437][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352438][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352439][ T2983] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 82.352441][ T2983] ? __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) [ 82.352443][ T2983] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 82.352444][ T2983] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 82.352446][ T2983] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 82.352447][ T2983] ? nla_get_range_signed (lib/nlattr.c:270) [ 82.352450][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352451][ T2983] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 82.352453][ T2983] rtnl_newlink (net/core/rtnetlink.c:4215) [ 82.352455][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352456][ T2983] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 82.352458][ T2983] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.352459][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352461][ T2983] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 82.352463][ T2983] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 82.352464][ T2983] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 82.352466][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352467][ T2983] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 82.352470][ T2983] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 82.352472][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352474][ T2983] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.352475][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352476][ T2983] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 82.352478][ T2983] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.352479][ T2983] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 82.352481][ T2983] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 82.352482][ T2983] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 82.352485][ T2983] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 82.352486][ T2983] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 82.352488][ T2983] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.352489][ T2983] ? netlink_ack (./include/linux/skbuff.h:2718) [ 82.352491][ T2983] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 82.352494][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352495][ T2983] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.352497][ T2983] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 82.352500][ T2983] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 82.352502][ T2983] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.352504][ T2983] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 82.352506][ T2983] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 82.352507][ T2983] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 82.352509][ T2983] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.352510][ T2983] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 82.352514][ T2983] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 82.352516][ T2983] ____sys_sendmsg (net/socket.c:2713) [ 82.352517][ T2983] ? copy_msghdr_from_user (net/socket.c:2650) [ 82.352519][ T2983] ? sock_write_iter (net/socket.c:1269) [ 82.352520][ T2983] ? move_addr_to_kernel (net/socket.c:258) [ 82.352522][ T2983] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 82.352525][ T2983] ___sys_sendmsg (net/socket.c:2767) [ 82.352526][ T2983] ? copy_msghdr_from_user (net/socket.c:2619) [ 82.352531][ T2983] __sys_sendmsg (net/socket.c:2799) [ 82.352533][ T2983] ? __sys_sendmsg_sock (net/socket.c:2780) [ 82.352536][ T2983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.352538][ T2983] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 82.352539][ T2983] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 82.352541][ T2983] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.352543][ T2983] RIP: 0033:0x7fd4dc48154e [ 82.352545][ T2983] 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 [ 82.352547][ T2983] RSP: 002b:00007fff46fb9050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 82.352551][ T2983] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd4dc48154e [ 82.352552][ T2983] RDX: 0000000000000000 RSI: 00007fff46fb9100 RDI: 0000000000000005 [ 82.352553][ T2983] RBP: 00007fff46fb9060 R08: 0000000000000000 R09: 0000000000000000 [ 82.352554][ T2983] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db82 [ 82.352555][ T2983] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff46fb97d0 | [ 94.151750][ T3310] softirqs last disabled at (0): 0x0 | [ 94.151752][ T3310] Preemption disabled at: | [ 94.151753][ T3310] vprintk_emit (kernel/printk/printk.c:2471) | [ 94.151763][ T3310] Tainted: [W]=WARN [ 94.151764][ T3310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 94.151766][ T3310] Call Trace: [ 94.151768][ T3310] [ 94.151769][ T3310] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 94.151774][ T3310] ? vprintk_emit (kernel/printk/printk.c:2471) [ 94.151776][ T3310] __might_resched.cold (kernel/sched/core.c:9234) [ 94.151780][ T3310] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 94.151783][ T3310] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 94.151786][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151793][ T3310] __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)) [ 94.151796][ T3310] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.151799][ T3310] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.151804][ T3310] ? 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) [ 94.151805][ T3310] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.151808][ T3310] put_chars (drivers/char/virtio_console.c:1176) [ 94.151810][ T3310] ? __send_to_port (drivers/char/virtio_console.c:654) [ 94.151811][ T3310] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 94.151814][ T3310] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 94.151819][ T3310] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 94.151820][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151822][ T3310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.151824][ T3310] console_emit_next_record (kernel/printk/printk.c:3183) [ 94.151827][ T3310] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 94.151829][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151830][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151831][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151832][ T3310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.151834][ T3310] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 94.151836][ T3310] console_flush_one_record (kernel/printk/printk.c:3268) [ 94.151838][ T3310] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 94.151841][ T3310] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 94.151843][ T3310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.151845][ T3310] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 94.151846][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151847][ T3310] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.151849][ T3310] ? 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) [ 94.151850][ T3310] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 94.151852][ T3310] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 94.151854][ T3310] ? vprintk_emit (kernel/printk/printk.c:2478) [ 94.151855][ T3310] vprintk_emit (kernel/printk/printk.c:2479) [ 94.151857][ T3310] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 94.151858][ T3310] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.151860][ T3310] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 94.151863][ T3310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.151864][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151866][ T3310] _printk (kernel/printk/printk.c:2504) [ 94.151869][ T3310] ? snapshot_read.cold (user.c:?) [ 94.151871][ T3310] ? br_multicast_flood (??:?) [ 94.151874][ T3310] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 94.151877][ T3310] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 94.151878][ T3310] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 94.151880][ T3310] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 94.151883][ T3310] br_init_port (net/bridge/br_stp_if.c:39) [ 94.151885][ T3310] new_nbp (net/bridge/br_if.c:449) [ 94.151887][ T3310] br_add_if (net/bridge/br_if.c:592) [ 94.151889][ T3310] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 94.151892][ T3310] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 94.151893][ T3310] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 94.151896][ T3310] do_set_master (net/core/rtnetlink.c:3071) [ 94.151898][ T3310] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 94.151899][ T3310] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 94.151901][ T3310] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 94.151902][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151903][ T3310] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 94.151907][ T3310] ? kasan_save_stack (mm/kasan/common.c:58) [ 94.151908][ T3310] ? kasan_save_stack (mm/kasan/common.c:57) [ 94.151909][ T3310] ? kasan_save_track (mm/kasan/common.c:78) [ 94.151911][ T3310] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 94.151912][ T3310] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 94.151913][ T3310] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 94.151914][ T3310] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 94.151915][ T3310] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 94.151918][ T3310] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 94.151919][ T3310] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 94.151921][ T3310] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 94.151924][ T3310] ? ____sys_sendmsg (net/socket.c:2713) [ 94.151925][ T3310] ? ___sys_sendmsg (net/socket.c:2767) [ 94.151926][ T3310] ? __sys_sendmsg (net/socket.c:2799) [ 94.151928][ T3310] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 94.151932][ T3310] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 94.151934][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151935][ T3310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.151937][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151938][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151939][ T3310] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 94.151941][ T3310] ? __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) [ 94.151942][ T3310] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 94.151943][ T3310] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 94.151945][ T3310] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 94.151946][ T3310] ? nla_get_range_signed (lib/nlattr.c:270) [ 94.151949][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151951][ T3310] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 94.151953][ T3310] rtnl_newlink (net/core/rtnetlink.c:4215) [ 94.151955][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151956][ T3310] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 94.151957][ T3310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.151959][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151960][ T3310] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 94.151961][ T3310] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 94.151962][ T3310] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 94.151964][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151965][ T3310] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 94.151969][ T3310] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 94.151971][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151972][ T3310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.151974][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151975][ T3310] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 94.151976][ T3310] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 94.151978][ T3310] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 94.151979][ T3310] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 94.151981][ T3310] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 94.151983][ T3310] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 94.151984][ T3310] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 94.151986][ T3310] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.151987][ T3310] ? netlink_ack (./include/linux/skbuff.h:2718) [ 94.151989][ T3310] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 94.151992][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.151994][ T3310] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.151996][ T3310] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 94.151998][ T3310] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 94.152000][ T3310] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 94.152002][ T3310] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 94.152004][ T3310] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 94.152005][ T3310] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 94.152007][ T3310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.152008][ T3310] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 94.152012][ T3310] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 94.152014][ T3310] ____sys_sendmsg (net/socket.c:2713) [ 94.152016][ T3310] ? copy_msghdr_from_user (net/socket.c:2650) [ 94.152017][ T3310] ? sock_write_iter (net/socket.c:1269) [ 94.152019][ T3310] ? move_addr_to_kernel (net/socket.c:258) [ 94.152020][ T3310] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 94.152023][ T3310] ___sys_sendmsg (net/socket.c:2767) [ 94.152025][ T3310] ? copy_msghdr_from_user (net/socket.c:2619) [ 94.152030][ T3310] __sys_sendmsg (net/socket.c:2799) [ 94.152031][ T3310] ? __sys_sendmsg_sock (net/socket.c:2780) [ 94.152034][ T3310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.152036][ T3310] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 94.152037][ T3310] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 94.152039][ T3310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 94.152041][ T3310] RIP: 0033:0x7f67b453554e [ 94.152043][ T3310] 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 [ 94.152045][ T3310] RSP: 002b:00007ffda61011a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 94.152049][ T3310] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f67b453554e [ 94.152050][ T3310] RDX: 0000000000000000 RSI: 00007ffda6101250 RDI: 0000000000000005 [ 94.152051][ T3310] RBP: 00007ffda61011b0 R08: 0000000000000000 R09: 0000000000000000 [ 94.152052][ T3310] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db8e [ 94.152054][ T3310] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda6101920 | [ 95.209428][ T3391] softirqs last disabled at (0): 0x0 | [ 95.209430][ T3391] Preemption disabled at: | [ 95.209431][ T3391] vprintk_emit (kernel/printk/printk.c:2471) | [ 95.209441][ T3391] Tainted: [W]=WARN [ 95.209442][ T3391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 95.209445][ T3391] Call Trace: [ 95.209446][ T3391] [ 95.209448][ T3391] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 95.209453][ T3391] ? vprintk_emit (kernel/printk/printk.c:2471) [ 95.209454][ T3391] __might_resched.cold (kernel/sched/core.c:9234) [ 95.209458][ T3391] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 95.209462][ T3391] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 95.209465][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209468][ T3391] __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)) [ 95.209471][ T3391] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.209474][ T3391] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.209479][ T3391] ? 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) [ 95.209480][ T3391] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.209483][ T3391] put_chars (drivers/char/virtio_console.c:1176) [ 95.209485][ T3391] ? __send_to_port (drivers/char/virtio_console.c:654) [ 95.209487][ T3391] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 95.209490][ T3391] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 95.209494][ T3391] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 95.209496][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209497][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.209500][ T3391] console_emit_next_record (kernel/printk/printk.c:3183) [ 95.209503][ T3391] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 95.209505][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209506][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209507][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209508][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.209510][ T3391] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 95.209512][ T3391] console_flush_one_record (kernel/printk/printk.c:3268) [ 95.209515][ T3391] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 95.209518][ T3391] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 95.209520][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.209521][ T3391] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 95.209523][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209524][ T3391] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 95.209526][ T3391] ? 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) [ 95.209527][ T3391] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 95.209529][ T3391] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 95.209531][ T3391] ? vprintk_emit (kernel/printk/printk.c:2478) [ 95.209533][ T3391] vprintk_emit (kernel/printk/printk.c:2479) [ 95.209535][ T3391] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 95.209536][ T3391] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.209538][ T3391] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 95.209541][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.209543][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209544][ T3391] _printk (kernel/printk/printk.c:2504) [ 95.209548][ T3391] ? snapshot_read.cold (user.c:?) [ 95.209550][ T3391] ? br_multicast_flood (??:?) [ 95.209554][ T3391] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 95.209556][ T3391] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 95.209558][ T3391] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 95.209560][ T3391] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 95.209563][ T3391] br_init_port (net/bridge/br_stp_if.c:39) [ 95.209564][ T3391] new_nbp (net/bridge/br_if.c:449) [ 95.209567][ T3391] br_add_if (net/bridge/br_if.c:592) [ 95.209569][ T3391] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 95.209572][ T3391] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 95.209573][ T3391] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 95.209577][ T3391] do_set_master (net/core/rtnetlink.c:3071) [ 95.209579][ T3391] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 95.209580][ T3391] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 95.209582][ T3391] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 95.209584][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209585][ T3391] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 95.209589][ T3391] ? kasan_save_stack (mm/kasan/common.c:58) [ 95.209591][ T3391] ? kasan_save_stack (mm/kasan/common.c:57) [ 95.209592][ T3391] ? kasan_save_track (mm/kasan/common.c:78) [ 95.209593][ T3391] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 95.209594][ T3391] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 95.209596][ T3391] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 95.209597][ T3391] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 95.209598][ T3391] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 95.209601][ T3391] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 95.209603][ T3391] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 95.209605][ T3391] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 95.209607][ T3391] ? ____sys_sendmsg (net/socket.c:2713) [ 95.209609][ T3391] ? ___sys_sendmsg (net/socket.c:2767) [ 95.209611][ T3391] ? __sys_sendmsg (net/socket.c:2799) [ 95.209612][ T3391] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 95.209616][ T3391] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 95.209618][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209620][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.209621][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209622][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209624][ T3391] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 95.209626][ T3391] ? __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) [ 95.209627][ T3391] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 95.209629][ T3391] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 95.209631][ T3391] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 95.209632][ T3391] ? nla_get_range_signed (lib/nlattr.c:270) [ 95.209635][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209637][ T3391] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 95.209639][ T3391] rtnl_newlink (net/core/rtnetlink.c:4215) [ 95.209642][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209643][ T3391] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 95.209644][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.209646][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209648][ T3391] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 95.209649][ T3391] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 95.209651][ T3391] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 95.209653][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209654][ T3391] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 95.209657][ T3391] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 95.209660][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209661][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.209662][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209664][ T3391] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 95.209665][ T3391] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 95.209667][ T3391] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 95.209669][ T3391] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 95.209670][ T3391] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 95.209673][ T3391] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 95.209675][ T3391] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 95.209676][ T3391] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 95.209678][ T3391] ? netlink_ack (./include/linux/skbuff.h:2718) [ 95.209680][ T3391] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 95.209683][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209684][ T3391] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 95.209687][ T3391] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 95.209689][ T3391] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 95.209691][ T3391] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 95.209693][ T3391] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 95.209695][ T3391] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 95.209697][ T3391] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 95.209699][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.209701][ T3391] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 95.209704][ T3391] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 95.209706][ T3391] ____sys_sendmsg (net/socket.c:2713) [ 95.209708][ T3391] ? copy_msghdr_from_user (net/socket.c:2650) [ 95.209710][ T3391] ? sock_write_iter (net/socket.c:1269) [ 95.209711][ T3391] ? move_addr_to_kernel (net/socket.c:258) [ 95.209713][ T3391] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 95.209716][ T3391] ___sys_sendmsg (net/socket.c:2767) [ 95.209718][ T3391] ? copy_msghdr_from_user (net/socket.c:2619) [ 95.209723][ T3391] __sys_sendmsg (net/socket.c:2799) [ 95.209726][ T3391] ? __sys_sendmsg_sock (net/socket.c:2780) [ 95.209729][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.209730][ T3391] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 95.209732][ T3391] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 95.209734][ T3391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 95.209736][ T3391] RIP: 0033:0x7fd7b020d54e [ 95.209738][ T3391] 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 [ 95.209740][ T3391] RSP: 002b:00007ffd69fff170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 95.209744][ T3391] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd7b020d54e [ 95.209746][ T3391] RDX: 0000000000000000 RSI: 00007ffd69fff220 RDI: 0000000000000005 [ 95.209747][ T3391] RBP: 00007ffd69fff180 R08: 0000000000000000 R09: 0000000000000000 [ 95.209748][ T3391] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db8f [ 95.209749][ T3391] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd69fff8f0 | [ 96.235779][ T3460] softirqs last disabled at (0): 0x0 | [ 96.235781][ T3460] Preemption disabled at: | [ 96.235782][ T3460] vprintk_emit (kernel/printk/printk.c:2471) | [ 96.235794][ T3460] Tainted: [W]=WARN [ 96.235795][ T3460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 96.235797][ T3460] Call Trace: [ 96.235798][ T3460] [ 96.235800][ T3460] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 96.235805][ T3460] ? vprintk_emit (kernel/printk/printk.c:2471) [ 96.235806][ T3460] __might_resched.cold (kernel/sched/core.c:9234) [ 96.235810][ T3460] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 96.235814][ T3460] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 96.235818][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235820][ T3460] __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)) [ 96.235823][ T3460] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.235825][ T3460] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.235830][ T3460] ? 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) [ 96.235832][ T3460] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.235835][ T3460] put_chars (drivers/char/virtio_console.c:1176) [ 96.235837][ T3460] ? __send_to_port (drivers/char/virtio_console.c:654) [ 96.235838][ T3460] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 96.235841][ T3460] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 96.235846][ T3460] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 96.235848][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235849][ T3460] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.235851][ T3460] console_emit_next_record (kernel/printk/printk.c:3183) [ 96.235854][ T3460] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 96.235856][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235857][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235858][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235859][ T3460] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.235861][ T3460] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 96.235863][ T3460] console_flush_one_record (kernel/printk/printk.c:3268) [ 96.235866][ T3460] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 96.235868][ T3460] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 96.235870][ T3460] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.235872][ T3460] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 96.235873][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235874][ T3460] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.235876][ T3460] ? 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) [ 96.235877][ T3460] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 96.235879][ T3460] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 96.235881][ T3460] ? vprintk_emit (kernel/printk/printk.c:2478) [ 96.235882][ T3460] vprintk_emit (kernel/printk/printk.c:2479) [ 96.235884][ T3460] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 96.235885][ T3460] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.235887][ T3460] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 96.235890][ T3460] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.235892][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235893][ T3460] _printk (kernel/printk/printk.c:2504) [ 96.235896][ T3460] ? snapshot_read.cold (user.c:?) [ 96.235898][ T3460] ? br_multicast_flood (??:?) [ 96.235901][ T3460] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 96.235904][ T3460] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 96.235905][ T3460] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 96.235907][ T3460] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 96.235910][ T3460] br_init_port (net/bridge/br_stp_if.c:39) [ 96.235911][ T3460] new_nbp (net/bridge/br_if.c:449) [ 96.235913][ T3460] br_add_if (net/bridge/br_if.c:592) [ 96.235915][ T3460] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 96.235918][ T3460] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 96.235919][ T3460] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 96.235922][ T3460] do_set_master (net/core/rtnetlink.c:3071) [ 96.235924][ T3460] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 96.235926][ T3460] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 96.235927][ T3460] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 96.235928][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235929][ T3460] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 96.235933][ T3460] ? kasan_save_stack (mm/kasan/common.c:58) [ 96.235935][ T3460] ? kasan_save_stack (mm/kasan/common.c:57) [ 96.235936][ T3460] ? kasan_save_track (mm/kasan/common.c:78) [ 96.235937][ T3460] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 96.235938][ T3460] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 96.235939][ T3460] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 96.235940][ T3460] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 96.235941][ T3460] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 96.235944][ T3460] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 96.235946][ T3460] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 96.235947][ T3460] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 96.235950][ T3460] ? ____sys_sendmsg (net/socket.c:2713) [ 96.235951][ T3460] ? ___sys_sendmsg (net/socket.c:2767) [ 96.235953][ T3460] ? __sys_sendmsg (net/socket.c:2799) [ 96.235954][ T3460] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 96.235957][ T3460] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 96.235960][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235961][ T3460] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.235963][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235964][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235965][ T3460] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 96.235966][ T3460] ? __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) [ 96.235968][ T3460] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 96.235969][ T3460] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 96.235971][ T3460] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 96.235972][ T3460] ? nla_get_range_signed (lib/nlattr.c:270) [ 96.235975][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235977][ T3460] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 96.235979][ T3460] rtnl_newlink (net/core/rtnetlink.c:4215) [ 96.235981][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235982][ T3460] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 96.235983][ T3460] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.235985][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235986][ T3460] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 96.235987][ T3460] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 96.235989][ T3460] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 96.235990][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235991][ T3460] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 96.235994][ T3460] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 96.235997][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.235998][ T3460] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.235999][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.236001][ T3460] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 96.236002][ T3460] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 96.236004][ T3460] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 96.236005][ T3460] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 96.236006][ T3460] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 96.236009][ T3460] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 96.236010][ T3460] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 96.236012][ T3460] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.236013][ T3460] ? netlink_ack (./include/linux/skbuff.h:2718) [ 96.236015][ T3460] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 96.236018][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.236019][ T3460] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.236021][ T3460] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 96.236023][ T3460] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 96.236025][ T3460] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 96.236027][ T3460] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 96.236029][ T3460] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 96.236030][ T3460] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 96.236032][ T3460] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.236034][ T3460] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 96.236037][ T3460] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 96.236039][ T3460] ____sys_sendmsg (net/socket.c:2713) [ 96.236040][ T3460] ? copy_msghdr_from_user (net/socket.c:2650) [ 96.236042][ T3460] ? sock_write_iter (net/socket.c:1269) [ 96.236043][ T3460] ? move_addr_to_kernel (net/socket.c:258) [ 96.236045][ T3460] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 96.236047][ T3460] ___sys_sendmsg (net/socket.c:2767) [ 96.236049][ T3460] ? copy_msghdr_from_user (net/socket.c:2619) [ 96.236054][ T3460] __sys_sendmsg (net/socket.c:2799) [ 96.236056][ T3460] ? __sys_sendmsg_sock (net/socket.c:2780) [ 96.236059][ T3460] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.236060][ T3460] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 96.236062][ T3460] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 96.236064][ T3460] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 96.236066][ T3460] RIP: 0033:0x7f8a2469254e [ 96.236068][ T3460] 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 [ 96.236069][ T3460] RSP: 002b:00007ffe235e6fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 96.236073][ T3460] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8a2469254e [ 96.236075][ T3460] RDX: 0000000000000000 RSI: 00007ffe235e7070 RDI: 0000000000000005 [ 96.236076][ T3460] RBP: 00007ffe235e6fd0 R08: 0000000000000000 R09: 0000000000000000 [ 96.236076][ T3460] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db90 [ 96.236078][ T3460] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe235e7740 | [ 97.241893][ T3538] softirqs last disabled at (0): 0x0 | [ 97.241895][ T3538] Preemption disabled at: | [ 97.241896][ T3538] vprintk_emit (kernel/printk/printk.c:2471) | [ 97.241906][ T3538] Tainted: [W]=WARN [ 97.241907][ T3538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 97.241909][ T3538] Call Trace: [ 97.241910][ T3538] [ 97.241911][ T3538] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 97.241917][ T3538] ? vprintk_emit (kernel/printk/printk.c:2471) [ 97.241918][ T3538] __might_resched.cold (kernel/sched/core.c:9234) [ 97.241922][ T3538] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 97.241925][ T3538] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 97.241929][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241931][ T3538] __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)) [ 97.241934][ T3538] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.241937][ T3538] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 97.241942][ T3538] ? 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) [ 97.241944][ T3538] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 97.241946][ T3538] put_chars (drivers/char/virtio_console.c:1176) [ 97.241948][ T3538] ? __send_to_port (drivers/char/virtio_console.c:654) [ 97.241950][ T3538] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 97.241952][ T3538] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 97.241957][ T3538] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 97.241959][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241960][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.241963][ T3538] console_emit_next_record (kernel/printk/printk.c:3183) [ 97.241966][ T3538] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 97.241968][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241969][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241970][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241971][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.241973][ T3538] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 97.241975][ T3538] console_flush_one_record (kernel/printk/printk.c:3268) [ 97.241977][ T3538] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 97.241980][ T3538] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 97.241982][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.241983][ T3538] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 97.241985][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241986][ T3538] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.241988][ T3538] ? 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) [ 97.241989][ T3538] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 97.241991][ T3538] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 97.241993][ T3538] ? vprintk_emit (kernel/printk/printk.c:2478) [ 97.241994][ T3538] vprintk_emit (kernel/printk/printk.c:2479) [ 97.241996][ T3538] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 97.241997][ T3538] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.241999][ T3538] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 97.242002][ T3538] _printk (kernel/printk/printk.c:2504) [ 97.242005][ T3538] ? snapshot_read.cold (user.c:?) [ 97.242007][ T3538] ? br_multicast_flood (??:?) [ 97.242011][ T3538] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 97.242014][ T3538] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 97.242015][ T3538] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 97.242017][ T3538] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 97.242020][ T3538] br_init_port (net/bridge/br_stp_if.c:39) [ 97.242022][ T3538] new_nbp (net/bridge/br_if.c:449) [ 97.242024][ T3538] br_add_if (net/bridge/br_if.c:592) [ 97.242026][ T3538] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 97.242028][ T3538] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 97.242030][ T3538] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 97.242033][ T3538] do_set_master (net/core/rtnetlink.c:3071) [ 97.242034][ T3538] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 97.242036][ T3538] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 97.242038][ T3538] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 97.242039][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.242040][ T3538] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 97.242044][ T3538] ? kasan_save_stack (mm/kasan/common.c:58) [ 97.242045][ T3538] ? kasan_save_stack (mm/kasan/common.c:57) [ 97.242046][ T3538] ? kasan_save_track (mm/kasan/common.c:78) [ 97.242048][ T3538] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 97.242049][ T3538] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 97.242050][ T3538] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 97.242051][ T3538] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 97.242052][ T3538] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 97.242055][ T3538] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 97.242056][ T3538] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 97.242058][ T3538] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 97.242061][ T3538] ? ____sys_sendmsg (net/socket.c:2713) [ 97.242062][ T3538] ? ___sys_sendmsg (net/socket.c:2767) [ 97.242064][ T3538] ? __sys_sendmsg (net/socket.c:2799) [ 97.242065][ T3538] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 97.242069][ T3538] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 97.242071][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.242072][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.242074][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.242075][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.242076][ T3538] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 97.242078][ T3538] ? __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) [ 97.242079][ T3538] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 97.242080][ T3538] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 97.242082][ T3538] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 97.242083][ T3538] ? nla_get_range_signed (lib/nlattr.c:270) [ 97.242086][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.242087][ T3538] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 97.242089][ T3538] rtnl_newlink (net/core/rtnetlink.c:4215) [ 97.242091][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.242093][ T3538] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 97.242094][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.242095][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.242097][ T3538] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 97.242098][ T3538] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 97.242099][ T3538] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 97.242101][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.242102][ T3538] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 97.242105][ T3538] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 97.242107][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.242108][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.242110][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.242111][ T3538] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 97.242112][ T3538] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 97.242114][ T3538] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 97.242116][ T3538] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 97.242117][ T3538] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 97.242119][ T3538] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 97.242121][ T3538] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 97.242122][ T3538] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.242124][ T3538] ? netlink_ack (./include/linux/skbuff.h:2718) [ 97.242125][ T3538] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 97.242129][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.242130][ T3538] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.242132][ T3538] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 97.242134][ T3538] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 97.242136][ T3538] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 97.242138][ T3538] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 97.242140][ T3538] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 97.242141][ T3538] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 97.242143][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.242144][ T3538] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 97.242148][ T3538] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 97.242150][ T3538] ____sys_sendmsg (net/socket.c:2713) [ 97.242151][ T3538] ? copy_msghdr_from_user (net/socket.c:2650) [ 97.242153][ T3538] ? sock_write_iter (net/socket.c:1269) [ 97.242154][ T3538] ? move_addr_to_kernel (net/socket.c:258) [ 97.242156][ T3538] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 97.242158][ T3538] ___sys_sendmsg (net/socket.c:2767) [ 97.242160][ T3538] ? copy_msghdr_from_user (net/socket.c:2619) [ 97.242165][ T3538] __sys_sendmsg (net/socket.c:2799) [ 97.242167][ T3538] ? __sys_sendmsg_sock (net/socket.c:2780) [ 97.242170][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.242171][ T3538] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 97.242173][ T3538] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 97.242175][ T3538] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 97.242177][ T3538] RIP: 0033:0x7f5758a5a54e [ 97.242179][ T3538] 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 [ 97.242181][ T3538] RSP: 002b:00007ffe61f88950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 97.242185][ T3538] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5758a5a54e [ 97.242186][ T3538] RDX: 0000000000000000 RSI: 00007ffe61f88a00 RDI: 0000000000000005 [ 97.242187][ T3538] RBP: 00007ffe61f88960 R08: 0000000000000000 R09: 0000000000000000 [ 97.242188][ T3538] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db91 [ 97.242194][ T3538] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe61f890d0 | [ 98.695386][ T3640] softirqs last disabled at (0): 0x0 | [ 98.695388][ T3640] Preemption disabled at: | [ 98.695389][ T3640] vprintk_emit (kernel/printk/printk.c:2471) | [ 98.695399][ T3640] Tainted: [W]=WARN [ 98.695400][ T3640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 98.695402][ T3640] Call Trace: [ 98.695403][ T3640] [ 98.695404][ T3640] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 98.695410][ T3640] ? vprintk_emit (kernel/printk/printk.c:2471) [ 98.695411][ T3640] __might_resched.cold (kernel/sched/core.c:9234) [ 98.695415][ T3640] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 98.695419][ T3640] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 98.695422][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695425][ T3640] __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)) [ 98.695428][ T3640] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 98.695431][ T3640] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 98.695436][ T3640] ? 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) [ 98.695437][ T3640] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 98.695440][ T3640] put_chars (drivers/char/virtio_console.c:1176) [ 98.695442][ T3640] ? __send_to_port (drivers/char/virtio_console.c:654) [ 98.695444][ T3640] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 98.695446][ T3640] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 98.695451][ T3640] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 98.695453][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695454][ T3640] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.695457][ T3640] console_emit_next_record (kernel/printk/printk.c:3183) [ 98.695459][ T3640] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 98.695461][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695462][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695463][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695464][ T3640] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.695466][ T3640] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 98.695468][ T3640] console_flush_one_record (kernel/printk/printk.c:3268) [ 98.695471][ T3640] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 98.695473][ T3640] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 98.695475][ T3640] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.695477][ T3640] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 98.695479][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695480][ T3640] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 98.695481][ T3640] ? 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) [ 98.695483][ T3640] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 98.695484][ T3640] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 98.695487][ T3640] ? vprintk_emit (kernel/printk/printk.c:2478) [ 98.695488][ T3640] vprintk_emit (kernel/printk/printk.c:2479) [ 98.695490][ T3640] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 98.695491][ T3640] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 98.695493][ T3640] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 98.695496][ T3640] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.695497][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695499][ T3640] _printk (kernel/printk/printk.c:2504) [ 98.695502][ T3640] ? snapshot_read.cold (user.c:?) [ 98.695504][ T3640] ? br_multicast_flood (??:?) [ 98.695507][ T3640] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 98.695510][ T3640] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 98.695511][ T3640] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 98.695513][ T3640] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 98.695516][ T3640] br_init_port (net/bridge/br_stp_if.c:39) [ 98.695518][ T3640] new_nbp (net/bridge/br_if.c:449) [ 98.695520][ T3640] br_add_if (net/bridge/br_if.c:592) [ 98.695522][ T3640] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 98.695525][ T3640] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 98.695526][ T3640] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 98.695529][ T3640] do_set_master (net/core/rtnetlink.c:3071) [ 98.695531][ T3640] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 98.695532][ T3640] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 98.695534][ T3640] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 98.695535][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695536][ T3640] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 98.695540][ T3640] ? kasan_save_stack (mm/kasan/common.c:58) [ 98.695542][ T3640] ? kasan_save_stack (mm/kasan/common.c:57) [ 98.695543][ T3640] ? kasan_save_track (mm/kasan/common.c:78) [ 98.695544][ T3640] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 98.695545][ T3640] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 98.695546][ T3640] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 98.695548][ T3640] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 98.695549][ T3640] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 98.695552][ T3640] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 98.695553][ T3640] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 98.695555][ T3640] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 98.695557][ T3640] ? ____sys_sendmsg (net/socket.c:2713) [ 98.695559][ T3640] ? ___sys_sendmsg (net/socket.c:2767) [ 98.695560][ T3640] ? __sys_sendmsg (net/socket.c:2799) [ 98.695562][ T3640] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 98.695566][ T3640] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 98.695568][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695569][ T3640] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.695571][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695572][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695573][ T3640] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 98.695574][ T3640] ? __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) [ 98.695576][ T3640] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 98.695577][ T3640] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 98.695579][ T3640] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 98.695580][ T3640] ? nla_get_range_signed (lib/nlattr.c:270) [ 98.695583][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695585][ T3640] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 98.695587][ T3640] rtnl_newlink (net/core/rtnetlink.c:4215) [ 98.695589][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695590][ T3640] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 98.695591][ T3640] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.695592][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695594][ T3640] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 98.695595][ T3640] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 98.695596][ T3640] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 98.695598][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695599][ T3640] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 98.695602][ T3640] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 98.695604][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695605][ T3640] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.695607][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695608][ T3640] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 98.695609][ T3640] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 98.695611][ T3640] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 98.695612][ T3640] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 98.695614][ T3640] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 98.695616][ T3640] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 98.695618][ T3640] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 98.695619][ T3640] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 98.695621][ T3640] ? netlink_ack (./include/linux/skbuff.h:2718) [ 98.695623][ T3640] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 98.695626][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695627][ T3640] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 98.695629][ T3640] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 98.695631][ T3640] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 98.695633][ T3640] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 98.695635][ T3640] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 98.695637][ T3640] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 98.695638][ T3640] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 98.695640][ T3640] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.695642][ T3640] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 98.695645][ T3640] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 98.695647][ T3640] ____sys_sendmsg (net/socket.c:2713) [ 98.695648][ T3640] ? copy_msghdr_from_user (net/socket.c:2650) [ 98.695650][ T3640] ? sock_write_iter (net/socket.c:1269) [ 98.695652][ T3640] ? move_addr_to_kernel (net/socket.c:258) [ 98.695653][ T3640] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 98.695656][ T3640] ___sys_sendmsg (net/socket.c:2767) [ 98.695658][ T3640] ? copy_msghdr_from_user (net/socket.c:2619) [ 98.695662][ T3640] __sys_sendmsg (net/socket.c:2799) [ 98.695664][ T3640] ? __sys_sendmsg_sock (net/socket.c:2780) [ 98.695667][ T3640] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.695669][ T3640] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 98.695670][ T3640] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 98.695672][ T3640] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 98.695674][ T3640] RIP: 0033:0x7fa7b58ce54e [ 98.695676][ T3640] 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 [ 98.695678][ T3640] RSP: 002b:00007fffa5a42110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 98.695682][ T3640] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa7b58ce54e [ 98.695684][ T3640] RDX: 0000000000000000 RSI: 00007fffa5a421c0 RDI: 0000000000000005 [ 98.695685][ T3640] RBP: 00007fffa5a42120 R08: 0000000000000000 R09: 0000000000000000 [ 98.695685][ T3640] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db92 [ 98.695686][ T3640] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa5a42890 | [ 99.787848][ T3711] softirqs last disabled at (0): 0x0 | [ 99.787850][ T3711] Preemption disabled at: | [ 99.787851][ T3711] vprintk_emit (kernel/printk/printk.c:2471) | [ 99.787861][ T3711] Tainted: [W]=WARN [ 99.787862][ T3711] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 99.787863][ T3711] Call Trace: [ 99.787865][ T3711] [ 99.787866][ T3711] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 99.787872][ T3711] ? vprintk_emit (kernel/printk/printk.c:2471) [ 99.787873][ T3711] __might_resched.cold (kernel/sched/core.c:9234) [ 99.787877][ T3711] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 99.787880][ T3711] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 99.787884][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.787886][ T3711] __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)) [ 99.787889][ T3711] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.787891][ T3711] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 99.787896][ T3711] ? 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) [ 99.787898][ T3711] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 99.787901][ T3711] put_chars (drivers/char/virtio_console.c:1176) [ 99.787902][ T3711] ? __send_to_port (drivers/char/virtio_console.c:654) [ 99.787904][ T3711] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 99.787907][ T3711] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 99.787911][ T3711] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 99.787913][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.787914][ T3711] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.787916][ T3711] console_emit_next_record (kernel/printk/printk.c:3183) [ 99.787919][ T3711] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 99.787921][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.787922][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.787923][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.787924][ T3711] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.787926][ T3711] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 99.787928][ T3711] console_flush_one_record (kernel/printk/printk.c:3268) [ 99.787931][ T3711] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 99.787933][ T3711] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 99.787935][ T3711] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.787937][ T3711] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 99.787939][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.787940][ T3711] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 99.787941][ T3711] ? 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) [ 99.787943][ T3711] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 99.787944][ T3711] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 99.787946][ T3711] ? vprintk_emit (kernel/printk/printk.c:2478) [ 99.787948][ T3711] vprintk_emit (kernel/printk/printk.c:2479) [ 99.787950][ T3711] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 99.787951][ T3711] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.787952][ T3711] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 99.787955][ T3711] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.787957][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.787958][ T3711] _printk (kernel/printk/printk.c:2504) [ 99.787961][ T3711] ? snapshot_read.cold (user.c:?) [ 99.787963][ T3711] ? br_multicast_flood (??:?) [ 99.787966][ T3711] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 99.787969][ T3711] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 99.787970][ T3711] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 99.787972][ T3711] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 99.787975][ T3711] br_init_port (net/bridge/br_stp_if.c:39) [ 99.787977][ T3711] new_nbp (net/bridge/br_if.c:449) [ 99.787979][ T3711] br_add_if (net/bridge/br_if.c:592) [ 99.787981][ T3711] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 99.787984][ T3711] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 99.787985][ T3711] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 99.787988][ T3711] do_set_master (net/core/rtnetlink.c:3071) [ 99.787990][ T3711] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 99.787991][ T3711] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 99.787993][ T3711] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 99.787994][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.787995][ T3711] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 99.787999][ T3711] ? kasan_save_stack (mm/kasan/common.c:58) [ 99.788000][ T3711] ? kasan_save_stack (mm/kasan/common.c:57) [ 99.788001][ T3711] ? kasan_save_track (mm/kasan/common.c:78) [ 99.788003][ T3711] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 99.788004][ T3711] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 99.788005][ T3711] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 99.788006][ T3711] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 99.788007][ T3711] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 99.788010][ T3711] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 99.788011][ T3711] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 99.788013][ T3711] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 99.788015][ T3711] ? ____sys_sendmsg (net/socket.c:2713) [ 99.788017][ T3711] ? ___sys_sendmsg (net/socket.c:2767) [ 99.788018][ T3711] ? __sys_sendmsg (net/socket.c:2799) [ 99.788020][ T3711] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 99.788024][ T3711] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 99.788027][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.788028][ T3711] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.788029][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.788030][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.788031][ T3711] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 99.788033][ T3711] ? __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) [ 99.788035][ T3711] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 99.788036][ T3711] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 99.788037][ T3711] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 99.788038][ T3711] ? nla_get_range_signed (lib/nlattr.c:270) [ 99.788042][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.788043][ T3711] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 99.788045][ T3711] rtnl_newlink (net/core/rtnetlink.c:4215) [ 99.788047][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.788048][ T3711] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 99.788049][ T3711] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.788051][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.788052][ T3711] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 99.788053][ T3711] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 99.788055][ T3711] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 99.788056][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.788057][ T3711] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 99.788060][ T3711] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 99.788063][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.788064][ T3711] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.788065][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.788067][ T3711] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 99.788068][ T3711] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 99.788070][ T3711] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 99.788071][ T3711] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 99.788072][ T3711] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 99.788075][ T3711] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 99.788076][ T3711] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 99.788078][ T3711] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 99.788079][ T3711] ? netlink_ack (./include/linux/skbuff.h:2718) [ 99.788081][ T3711] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 99.788084][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.788085][ T3711] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 99.788087][ T3711] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 99.788089][ T3711] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 99.788091][ T3711] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 99.788093][ T3711] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 99.788095][ T3711] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 99.788097][ T3711] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 99.788098][ T3711] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.788100][ T3711] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 99.788103][ T3711] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 99.788105][ T3711] ____sys_sendmsg (net/socket.c:2713) [ 99.788107][ T3711] ? copy_msghdr_from_user (net/socket.c:2650) [ 99.788108][ T3711] ? sock_write_iter (net/socket.c:1269) [ 99.788110][ T3711] ? move_addr_to_kernel (net/socket.c:258) [ 99.788111][ T3711] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 99.788114][ T3711] ___sys_sendmsg (net/socket.c:2767) [ 99.788116][ T3711] ? copy_msghdr_from_user (net/socket.c:2619) [ 99.788121][ T3711] __sys_sendmsg (net/socket.c:2799) [ 99.788123][ T3711] ? __sys_sendmsg_sock (net/socket.c:2780) [ 99.788125][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.788127][ T3711] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 99.788129][ T3711] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 99.788130][ T3711] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 99.788132][ T3711] RIP: 0033:0x7f700989854e [ 99.788134][ T3711] 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 [ 99.788136][ T3711] RSP: 002b:00007ffc3a1fb650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 99.788140][ T3711] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f700989854e [ 99.788141][ T3711] RDX: 0000000000000000 RSI: 00007ffc3a1fb700 RDI: 0000000000000005 [ 99.788142][ T3711] RBP: 00007ffc3a1fb660 R08: 0000000000000000 R09: 0000000000000000 [ 99.788143][ T3711] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db94 [ 99.788144][ T3711] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3a1fbdd0 | [ 101.242705][ T12] softirqs last disabled at (5580): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 101.242708][ T12] Preemption disabled at: | [ 101.242709][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 101.242720][ T12] Tainted: [W]=WARN [ 101.242721][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 101.242723][ T12] Workqueue: netns cleanup_net [ 101.242728][ T12] Call Trace: [ 101.242730][ T12] [ 101.242732][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 101.242738][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 101.242739][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 101.242743][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 101.242745][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 101.242749][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.242751][ T12] __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)) [ 101.242754][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.242757][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.242762][ T12] ? 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) [ 101.242764][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.242766][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 101.242768][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 101.242770][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 101.242773][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 101.242777][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 101.242779][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 101.242782][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.242783][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.242784][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.242786][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 101.242792][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 101.242794][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.242795][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.242796][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.242797][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.242800][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 101.242802][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 101.242804][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 101.242807][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 101.242809][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.242811][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 101.242812][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.242813][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 101.242815][ T12] ? 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) [ 101.242817][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 101.242818][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 101.242820][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 101.242822][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 101.242823][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 101.242825][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 101.242826][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 101.242829][ T12] ? kthread (kernel/kthread.c:436) [ 101.242831][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 101.242834][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 101.242837][ T12] _printk (kernel/printk/printk.c:2504) [ 101.242840][ T12] ? snapshot_read.cold (user.c:?) [ 101.242842][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 101.242846][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 101.242848][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 101.242850][ T12] ? netdev_notice (net/core/dev.c:13194) [ 101.242852][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.242854][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 101.242855][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 101.242858][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 101.242859][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 101.242861][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 101.242863][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 101.242865][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 101.242869][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 101.242871][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 101.242874][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 101.242876][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 101.242878][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 101.242881][ T12] cleanup_net (net/core/net_namespace.c:706) [ 101.242883][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 101.242885][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.242886][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.242888][ T12] process_one_work (kernel/workqueue.c:3387) [ 101.242891][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 101.242894][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.242896][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 101.242899][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 101.242901][ T12] kthread (kernel/kthread.c:436) [ 101.242903][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 101.242905][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 101.242907][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 101.242909][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 101.242910][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 101.242913][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __dev_queue_xmit:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning