====================================== | [ 9.507698][ T202] softirqs last disabled at (33735): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.507701][ T202] Preemption disabled at: | [ 9.507701][ T202] 0x0 | [ 9.507711][ T202] Tainted: [W]=WARN [ 9.507712][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.507713][ T202] Call Trace: [ 9.507715][ T202] [ 9.507717][ T202] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.507723][ T202] __might_resched.cold (kernel/sched/core.c:9234) [ 9.507727][ T202] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.507731][ T202] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.507736][ T202] __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)) [ 9.507738][ T202] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.507744][ T202] ? 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) [ 9.507747][ T202] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.507751][ T202] put_chars (drivers/char/virtio_console.c:1176) [ 9.507753][ T202] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.507755][ T202] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.507758][ T202] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.507763][ T202] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.507771][ T202] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.507773][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.507775][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.507779][ T202] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.507783][ T202] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.507785][ T202] ? 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)) [ 9.507788][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.507790][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.507794][ T202] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.507798][ T202] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.507799][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.507805][ T202] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.507808][ T202] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.507809][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.507811][ T202] ? 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) [ 9.507815][ T202] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.507817][ T202] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.507819][ T202] vprintk_emit (kernel/printk/printk.c:2479) [ 9.507822][ T202] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.507825][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.507829][ T202] _printk (kernel/printk/printk.c:2504) [ 9.507832][ T202] ? snapshot_read.cold (user.c:?) [ 9.507835][ T202] ? 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) [ 9.507838][ T202] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.507842][ T202] ? 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) [ 9.507844][ T202] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.507848][ T202] ? exit_notify (kernel/exit.c:780) [ 9.507849][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.507852][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.507855][ T202] do_group_exit (kernel/exit.c:1151) [ 9.507858][ T202] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.507860][ T202] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.507862][ T202] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.507867][ T202] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.507869][ T202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.507871][ T202] RIP: 0033:0x7f77246071b8 [ 9.507874][ T202] Code: Unable to access opcode bytes at 0x7f772460718e. Code starting with the faulting instruction =========================================== [ 9.507875][ T202] RSP: 002b:00007ffd99bed468 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.507877][ T202] RAX: ffffffffffffffda RBX: 00007f7724737f88 RCX: 00007f77246071b8 [ 9.507878][ T202] RDX: 00007f7724351fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.507879][ T202] RBP: 00007ffd99bed4c0 R08: 0000000000000000 R09: 0000000000000050 [ 9.507880][ T202] R10: 00007ffd99bed280 R11: 0000000000000246 R12: 0000000000000001 [ 9.507881][ T202] R13: 0000000000000000 R14: 00007f7724736680 R15: 00007f7724737fa0 | [ 15.466490][ T342] softirqs last disabled at (18948): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 15.466493][ T342] Preemption disabled at: | [ 15.466493][ T342] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.466501][ T342] Tainted: [W]=WARN [ 15.466502][ T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.466504][ T342] Call Trace: [ 15.466505][ T342] [ 15.466507][ T342] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.466512][ T342] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.466514][ T342] __might_resched.cold (kernel/sched/core.c:9234) [ 15.466518][ T342] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.466523][ T342] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.466527][ T342] __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)) [ 15.466529][ T342] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.466535][ T342] ? 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) [ 15.466538][ T342] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.466542][ T342] put_chars (drivers/char/virtio_console.c:1176) [ 15.466544][ T342] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.466550][ T342] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.466558][ T342] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.466561][ T342] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.466565][ T342] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.466569][ T342] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.466571][ T342] ? 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)) [ 15.466574][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.466577][ T342] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.466581][ T342] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.466585][ T342] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.466587][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.466592][ T342] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.466595][ T342] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.466597][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.466598][ T342] ? 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) [ 15.466602][ T342] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.466604][ T342] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.466607][ T342] vprintk_emit (kernel/printk/printk.c:2479) [ 15.466610][ T342] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.466612][ T342] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 15.466617][ T342] _printk (kernel/printk/printk.c:2504) [ 15.466621][ T342] ? snapshot_read.cold (user.c:?) [ 15.466623][ T342] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.466625][ T342] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.466628][ T342] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.466630][ T342] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.466634][ T342] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.466637][ T342] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 15.466639][ T342] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 15.466642][ T342] ? netdev_notice (net/core/dev.c:13194) [ 15.466645][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.466648][ T342] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.466650][ T342] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.466654][ T342] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 15.466656][ T342] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 15.466658][ T342] ? register_netdev (net/core/dev.c:11618) [ 15.466659][ T342] ? 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)) [ 15.466664][ T342] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 15.466667][ T342] ? __kernel_text_address (kernel/extable.c:79) [ 15.466669][ T342] ? write_profile (profile.c:?) [ 15.466673][ T342] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.466679][ T342] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 15.466682][ T342] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.466684][ T342] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.466686][ T342] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.466688][ T342] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.466691][ T342] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.466693][ T342] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.466694][ T342] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.466697][ T342] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.466699][ T342] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.466700][ T342] ? kasan_save_track (mm/kasan/common.c:78) [ 15.466701][ T342] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 15.466703][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.466705][ T342] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 15.466708][ T342] ? ___sys_sendmsg (net/socket.c:2758) [ 15.466712][ T342] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.466714][ T342] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.466717][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.466718][ T342] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.466720][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.466721][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.466723][ T342] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.466725][ T342] ? __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) [ 15.466726][ T342] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.466728][ T342] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.466731][ T342] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.466733][ T342] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.466738][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.466740][ T342] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.466745][ T342] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.466750][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.466752][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.466757][ T342] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.466758][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.466760][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.466762][ T342] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.466766][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.466768][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.466771][ T342] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.466772][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.466777][ T342] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.466779][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.466782][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.466786][ T342] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.466788][ T342] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.466795][ T342] ? 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)) [ 15.466797][ T342] ? 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)) [ 15.466801][ T342] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.466805][ T342] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.466808][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.466812][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.466816][ T342] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.466820][ T342] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.466821][ T342] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 15.466827][ T342] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 15.466830][ T342] ____sys_sendmsg (net/socket.c:2713) [ 15.466832][ T342] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.466834][ T342] ? sock_write_iter (net/socket.c:1269) [ 15.466836][ T342] ? move_addr_to_kernel (net/socket.c:258) [ 15.466843][ T342] ___sys_sendmsg (net/socket.c:2767) [ 15.466846][ T342] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.466862][ T342] __sys_sendmsg (net/socket.c:2799) [ 15.466864][ T342] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.466871][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.466874][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.466877][ T342] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.466879][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.466881][ T342] RIP: 0033:0x7f3a64b2954e [ 15.466885][ T342] 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 [ 15.466887][ T342] RSP: 002b:00007ffce6c28190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.466890][ T342] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3a64b2954e [ 15.466891][ T342] RDX: 0000000000000000 RSI: 00007ffce6c28240 RDI: 0000000000000005 [ 15.466892][ T342] RBP: 00007ffce6c281a0 R08: 0000000000000000 R09: 0000000000000000 [ 15.466893][ T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91186b [ 15.466893][ T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce6c28910 | [ 20.602657][ T456] softirqs last disabled at (29306): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 20.602660][ T456] Preemption disabled at: | [ 20.602660][ T456] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.602669][ T456] Tainted: [W]=WARN [ 20.602670][ T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.602672][ T456] Call Trace: [ 20.602674][ T456] [ 20.602675][ T456] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.602680][ T456] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.602682][ T456] __might_resched.cold (kernel/sched/core.c:9234) [ 20.602686][ T456] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.602690][ T456] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.602695][ T456] __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)) [ 20.602696][ T456] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.602703][ T456] ? 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) [ 20.602706][ T456] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.602709][ T456] put_chars (drivers/char/virtio_console.c:1176) [ 20.602712][ T456] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.602718][ T456] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.602726][ T456] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.602729][ T456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.602734][ T456] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.602738][ T456] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.602739][ T456] ? 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)) [ 20.602743][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.602745][ T456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.602749][ T456] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.602753][ T456] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.602755][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.602761][ T456] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.602763][ T456] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.602765][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.602767][ T456] ? 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) [ 20.602770][ T456] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.602772][ T456] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.602775][ T456] vprintk_emit (kernel/printk/printk.c:2479) [ 20.602778][ T456] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.602780][ T456] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 20.602785][ T456] _printk (kernel/printk/printk.c:2504) [ 20.602789][ T456] ? snapshot_read.cold (user.c:?) [ 20.602790][ T456] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.602793][ T456] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.602796][ T456] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.602798][ T456] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.602801][ T456] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.602804][ T456] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.602806][ T456] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.602809][ T456] ? netdev_notice (net/core/dev.c:13194) [ 20.602812][ T456] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.602814][ T456] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.602817][ T456] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 20.602820][ T456] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.602822][ T456] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 20.602824][ T456] ? register_netdev (net/core/dev.c:11618) [ 20.602825][ T456] ? 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)) [ 20.602831][ T456] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 20.602833][ T456] ? __kernel_text_address (kernel/extable.c:79) [ 20.602836][ T456] ? write_profile (profile.c:?) [ 20.602840][ T456] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 20.602845][ T456] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.602848][ T456] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 20.602850][ T456] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 20.602852][ T456] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 20.602853][ T456] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 20.602857][ T456] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.602859][ T456] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.602860][ T456] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.602863][ T456] ? kasan_save_stack (mm/kasan/common.c:58) [ 20.602864][ T456] ? kasan_save_stack (mm/kasan/common.c:57) [ 20.602866][ T456] ? kasan_save_track (mm/kasan/common.c:78) [ 20.602867][ T456] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 20.602869][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.602871][ T456] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 20.602874][ T456] ? ___sys_sendmsg (net/socket.c:2758) [ 20.602878][ T456] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.602880][ T456] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 20.602882][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.602884][ T456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.602885][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.602886][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.602888][ T456] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 20.602890][ T456] ? __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) [ 20.602891][ T456] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 20.602893][ T456] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 20.602896][ T456] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 20.602897][ T456] ? nla_get_range_signed (lib/nlattr.c:270) [ 20.602902][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.602904][ T456] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 20.602909][ T456] rtnl_newlink (net/core/rtnetlink.c:4215) [ 20.602915][ T456] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.602916][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.602921][ T456] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.602923][ T456] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.602925][ T456] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.602926][ T456] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.602930][ T456] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.602932][ T456] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 20.602935][ T456] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.602936][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.602943][ T456] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.602945][ T456] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.602948][ T456] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 20.602951][ T456] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.602954][ T456] ? netlink_ack (./include/linux/skbuff.h:2718) [ 20.602960][ T456] ? 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)) [ 20.602962][ T456] ? 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)) [ 20.602967][ T456] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 20.602971][ T456] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.602973][ T456] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.602977][ T456] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 20.602981][ T456] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.602985][ T456] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.602986][ T456] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 20.602991][ T456] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 20.602994][ T456] ____sys_sendmsg (net/socket.c:2713) [ 20.602996][ T456] ? copy_msghdr_from_user (net/socket.c:2650) [ 20.602998][ T456] ? sock_write_iter (net/socket.c:1269) [ 20.603000][ T456] ? move_addr_to_kernel (net/socket.c:258) [ 20.603007][ T456] ___sys_sendmsg (net/socket.c:2767) [ 20.603009][ T456] ? copy_msghdr_from_user (net/socket.c:2619) [ 20.603025][ T456] __sys_sendmsg (net/socket.c:2799) [ 20.603027][ T456] ? __sys_sendmsg_sock (net/socket.c:2780) [ 20.603033][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.603036][ T456] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.603039][ T456] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.603042][ T456] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.603044][ T456] RIP: 0033:0x7fa6d299e54e [ 20.603048][ T456] 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 [ 20.603050][ T456] RSP: 002b:00007ffd549fb300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.603052][ T456] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa6d299e54e [ 20.603054][ T456] RDX: 0000000000000000 RSI: 00007ffd549fb3b0 RDI: 0000000000000005 [ 20.603054][ T456] RBP: 00007ffd549fb310 R08: 0000000000000000 R09: 0000000000000000 [ 20.603055][ T456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911870 [ 20.603056][ T456] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd549fba80 | [ 25.765451][ T569] softirqs last disabled at (25032): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 25.765453][ T569] Preemption disabled at: | [ 25.765454][ T569] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.765462][ T569] Tainted: [W]=WARN [ 25.765463][ T569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.765464][ T569] Call Trace: [ 25.765466][ T569] [ 25.765467][ T569] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.765473][ T569] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.765475][ T569] __might_resched.cold (kernel/sched/core.c:9234) [ 25.765479][ T569] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.765483][ T569] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.765488][ T569] __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)) [ 25.765490][ T569] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.765496][ T569] ? 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) [ 25.765499][ T569] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.765502][ T569] put_chars (drivers/char/virtio_console.c:1176) [ 25.765505][ T569] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.765511][ T569] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.765518][ T569] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.765521][ T569] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.765526][ T569] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.765530][ T569] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.765531][ T569] ? 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)) [ 25.765534][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.765537][ T569] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.765541][ T569] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.765545][ T569] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.765547][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.765552][ T569] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.765555][ T569] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.765557][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.765558][ T569] ? 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) [ 25.765562][ T569] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.765563][ T569] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.765566][ T569] vprintk_emit (kernel/printk/printk.c:2479) [ 25.765569][ T569] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.765572][ T569] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 25.765577][ T569] _printk (kernel/printk/printk.c:2504) [ 25.765580][ T569] ? snapshot_read.cold (user.c:?) [ 25.765582][ T569] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.765584][ T569] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.765587][ T569] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.765589][ T569] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.765593][ T569] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.765596][ T569] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 25.765598][ T569] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.765601][ T569] ? netdev_notice (net/core/dev.c:13194) [ 25.765604][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.765607][ T569] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.765609][ T569] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.765612][ T569] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 25.765614][ T569] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 25.765617][ T569] ? register_netdev (net/core/dev.c:11618) [ 25.765618][ T569] ? 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)) [ 25.765623][ T569] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 25.765625][ T569] ? __kernel_text_address (kernel/extable.c:79) [ 25.765628][ T569] ? write_profile (profile.c:?) [ 25.765632][ T569] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 25.765637][ T569] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 25.765640][ T569] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 25.765643][ T569] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 25.765644][ T569] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 25.765646][ T569] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 25.765649][ T569] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.765651][ T569] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.765652][ T569] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.765655][ T569] ? kasan_save_stack (mm/kasan/common.c:58) [ 25.765657][ T569] ? kasan_save_stack (mm/kasan/common.c:57) [ 25.765658][ T569] ? kasan_save_track (mm/kasan/common.c:78) [ 25.765659][ T569] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 25.765661][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.765663][ T569] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 25.765666][ T569] ? ___sys_sendmsg (net/socket.c:2758) [ 25.765670][ T569] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.765672][ T569] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.765674][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.765676][ T569] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.765677][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.765678][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.765680][ T569] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 25.765682][ T569] ? __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) [ 25.765684][ T569] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 25.765685][ T569] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.765689][ T569] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 25.765690][ T569] ? nla_get_range_signed (lib/nlattr.c:270) [ 25.765694][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.765697][ T569] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 25.765702][ T569] rtnl_newlink (net/core/rtnetlink.c:4215) [ 25.765707][ T569] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.765708][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.765713][ T569] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.765715][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.765717][ T569] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.765718][ T569] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.765722][ T569] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.765724][ T569] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.765727][ T569] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.765728][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.765732][ T569] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.765734][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.765737][ T569] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.765741][ T569] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.765743][ T569] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.765750][ T569] ? 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)) [ 25.765752][ T569] ? 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)) [ 25.765756][ T569] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.765760][ T569] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.765762][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.765767][ T569] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.765770][ T569] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.765774][ T569] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.765776][ T569] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 25.765781][ T569] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 25.765783][ T569] ____sys_sendmsg (net/socket.c:2713) [ 25.765786][ T569] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.765788][ T569] ? sock_write_iter (net/socket.c:1269) [ 25.765789][ T569] ? move_addr_to_kernel (net/socket.c:258) [ 25.765796][ T569] ___sys_sendmsg (net/socket.c:2767) [ 25.765799][ T569] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.765814][ T569] __sys_sendmsg (net/socket.c:2799) [ 25.765817][ T569] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.765823][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.765826][ T569] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.765829][ T569] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.765832][ T569] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.765834][ T569] RIP: 0033:0x7f0f36e7654e [ 25.765837][ T569] 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 [ 25.765839][ T569] RSP: 002b:00007ffeaed09e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.765842][ T569] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0f36e7654e [ 25.765843][ T569] RDX: 0000000000000000 RSI: 00007ffeaed09f30 RDI: 0000000000000005 [ 25.765844][ T569] RBP: 00007ffeaed09e90 R08: 0000000000000000 R09: 0000000000000000 [ 25.765844][ T569] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911876 [ 25.765845][ T569] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeaed0a600 | [ 30.008785][ T681] softirqs last disabled at (19554): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 30.008788][ T681] Preemption disabled at: | [ 30.008789][ T681] vprintk_emit (kernel/printk/printk.c:2471) | [ 30.008798][ T681] Tainted: [W]=WARN [ 30.008799][ T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.008800][ T681] Call Trace: [ 30.008802][ T681] [ 30.008804][ T681] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.008810][ T681] ? vprintk_emit (kernel/printk/printk.c:2471) [ 30.008811][ T681] __might_resched.cold (kernel/sched/core.c:9234) [ 30.008816][ T681] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.008820][ T681] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.008824][ T681] __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)) [ 30.008826][ T681] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.008833][ T681] ? 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) [ 30.008836][ T681] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.008840][ T681] put_chars (drivers/char/virtio_console.c:1176) [ 30.008842][ T681] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.008848][ T681] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.008856][ T681] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.008859][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.008864][ T681] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.008868][ T681] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.008870][ T681] ? 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)) [ 30.008873][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.008876][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.008880][ T681] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.008884][ T681] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.008886][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.008891][ T681] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.008894][ T681] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.008896][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.008897][ T681] ? 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) [ 30.008901][ T681] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.008903][ T681] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.008906][ T681] vprintk_emit (kernel/printk/printk.c:2479) [ 30.008909][ T681] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.008911][ T681] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 30.008917][ T681] _printk (kernel/printk/printk.c:2504) [ 30.008920][ T681] ? snapshot_read.cold (user.c:?) [ 30.008922][ T681] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.008924][ T681] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.008927][ T681] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.008929][ T681] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.008933][ T681] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.008936][ T681] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 30.008941][ T681] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.008944][ T681] ? netdev_notice (net/core/dev.c:13194) [ 30.008947][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.008950][ T681] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.008952][ T681] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 30.008956][ T681] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 30.008958][ T681] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 30.008960][ T681] ? register_netdev (net/core/dev.c:11618) [ 30.008961][ T681] ? 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)) [ 30.008967][ T681] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 30.008969][ T681] ? __kernel_text_address (kernel/extable.c:79) [ 30.008972][ T681] ? write_profile (profile.c:?) [ 30.008976][ T681] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 30.008982][ T681] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 30.008985][ T681] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 30.008987][ T681] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 30.008988][ T681] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 30.008990][ T681] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 30.008993][ T681] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.008995][ T681] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.008997][ T681] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.008999][ T681] ? kasan_save_stack (mm/kasan/common.c:58) [ 30.009001][ T681] ? kasan_save_stack (mm/kasan/common.c:57) [ 30.009002][ T681] ? kasan_save_track (mm/kasan/common.c:78) [ 30.009003][ T681] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 30.009006][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.009007][ T681] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 30.009010][ T681] ? ___sys_sendmsg (net/socket.c:2758) [ 30.009014][ T681] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.009016][ T681] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 30.009019][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.009020][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.009022][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.009023][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.009024][ T681] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 30.009027][ T681] ? __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) [ 30.009028][ T681] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 30.009030][ T681] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 30.009033][ T681] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 30.009034][ T681] ? nla_get_range_signed (lib/nlattr.c:270) [ 30.009039][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.009042][ T681] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 30.009047][ T681] rtnl_newlink (net/core/rtnetlink.c:4215) [ 30.009052][ T681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 30.009054][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.009058][ T681] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.009060][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.009062][ T681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 30.009064][ T681] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.009067][ T681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 30.009069][ T681] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.009072][ T681] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.009074][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.009078][ T681] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.009080][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.009083][ T681] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.009087][ T681] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.009089][ T681] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.009096][ T681] ? 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)) [ 30.009098][ T681] ? 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)) [ 30.009102][ T681] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.009106][ T681] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.009108][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.009113][ T681] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.009116][ T681] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.009120][ T681] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.009122][ T681] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 30.009127][ T681] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 30.009130][ T681] ____sys_sendmsg (net/socket.c:2713) [ 30.009132][ T681] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.009134][ T681] ? sock_write_iter (net/socket.c:1269) [ 30.009136][ T681] ? move_addr_to_kernel (net/socket.c:258) [ 30.009143][ T681] ___sys_sendmsg (net/socket.c:2767) [ 30.009145][ T681] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.009161][ T681] __sys_sendmsg (net/socket.c:2799) [ 30.009164][ T681] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.009170][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.009173][ T681] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.009176][ T681] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.009178][ T681] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.009181][ T681] RIP: 0033:0x7fee75d8054e [ 30.009184][ T681] 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 [ 30.009186][ T681] RSP: 002b:00007ffe012cb560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.009189][ T681] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fee75d8054e [ 30.009190][ T681] RDX: 0000000000000000 RSI: 00007ffe012cb610 RDI: 0000000000000005 [ 30.009191][ T681] RBP: 00007ffe012cb570 R08: 0000000000000000 R09: 0000000000000000 [ 30.009192][ T681] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91187a [ 30.009193][ T681] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe012cbce0 | [ 36.298413][ T796] softirqs last disabled at (17890): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 36.298416][ T796] Preemption disabled at: | [ 36.298416][ T796] vprintk_emit (kernel/printk/printk.c:2471) | [ 36.298424][ T796] Tainted: [W]=WARN [ 36.298425][ T796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.298427][ T796] Call Trace: [ 36.298428][ T796] [ 36.298430][ T796] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.298435][ T796] ? vprintk_emit (kernel/printk/printk.c:2471) [ 36.298437][ T796] __might_resched.cold (kernel/sched/core.c:9234) [ 36.298441][ T796] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.298445][ T796] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.298450][ T796] __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)) [ 36.298451][ T796] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.298458][ T796] ? 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) [ 36.298460][ T796] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.298464][ T796] put_chars (drivers/char/virtio_console.c:1176) [ 36.298466][ T796] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.298472][ T796] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.298480][ T796] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.298483][ T796] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.298487][ T796] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.298491][ T796] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.298493][ T796] ? 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)) [ 36.298496][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.298499][ T796] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.298503][ T796] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.298507][ T796] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.298509][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.298514][ T796] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.298516][ T796] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.298518][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.298520][ T796] ? 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) [ 36.298523][ T796] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.298525][ T796] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.298528][ T796] vprintk_emit (kernel/printk/printk.c:2479) [ 36.298531][ T796] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.298533][ T796] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 36.298538][ T796] _printk (kernel/printk/printk.c:2504) [ 36.298542][ T796] ? snapshot_read.cold (user.c:?) [ 36.298544][ T796] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.298546][ T796] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.298549][ T796] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.298551][ T796] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 36.298555][ T796] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 36.298558][ T796] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 36.298560][ T796] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 36.298563][ T796] ? netdev_notice (net/core/dev.c:13194) [ 36.298565][ T796] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.298568][ T796] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.298571][ T796] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 36.298574][ T796] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 36.298576][ T796] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 36.298578][ T796] ? register_netdev (net/core/dev.c:11618) [ 36.298579][ T796] ? 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)) [ 36.298585][ T796] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 36.298587][ T796] ? __kernel_text_address (kernel/extable.c:79) [ 36.298590][ T796] ? write_profile (profile.c:?) [ 36.298594][ T796] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 36.298599][ T796] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 36.298603][ T796] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 36.298605][ T796] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 36.298606][ T796] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 36.298608][ T796] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 36.298611][ T796] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.298613][ T796] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.298614][ T796] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.298617][ T796] ? kasan_save_stack (mm/kasan/common.c:58) [ 36.298618][ T796] ? kasan_save_stack (mm/kasan/common.c:57) [ 36.298620][ T796] ? kasan_save_track (mm/kasan/common.c:78) [ 36.298621][ T796] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 36.298623][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.298625][ T796] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 36.298628][ T796] ? ___sys_sendmsg (net/socket.c:2758) [ 36.298632][ T796] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.298634][ T796] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.298636][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.298638][ T796] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.298639][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.298640][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.298642][ T796] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 36.298644][ T796] ? __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) [ 36.298645][ T796] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 36.298647][ T796] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.298650][ T796] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 36.298652][ T796] ? nla_get_range_signed (lib/nlattr.c:270) [ 36.298656][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.298659][ T796] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 36.298664][ T796] rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.298669][ T796] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.298671][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.298675][ T796] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.298677][ T796] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.298679][ T796] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.298680][ T796] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.298684][ T796] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.298686][ T796] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.298689][ T796] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.298690][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.298695][ T796] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.298697][ T796] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.298700][ T796] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.298703][ T796] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.298706][ T796] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.298712][ T796] ? 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)) [ 36.298714][ T796] ? 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)) [ 36.298719][ T796] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.298722][ T796] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.298725][ T796] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.298729][ T796] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.298733][ T796] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.298737][ T796] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.298738][ T796] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 36.298743][ T796] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 36.298746][ T796] ____sys_sendmsg (net/socket.c:2713) [ 36.298748][ T796] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.298750][ T796] ? sock_write_iter (net/socket.c:1269) [ 36.298752][ T796] ? move_addr_to_kernel (net/socket.c:258) [ 36.298759][ T796] ___sys_sendmsg (net/socket.c:2767) [ 36.298762][ T796] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.298777][ T796] __sys_sendmsg (net/socket.c:2799) [ 36.298780][ T796] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.298786][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.298789][ T796] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.298791][ T796] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.298794][ T796] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.298796][ T796] RIP: 0033:0x7f6b6dd2554e [ 36.298800][ T796] 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 [ 36.298802][ T796] RSP: 002b:00007ffd83603e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.298804][ T796] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6b6dd2554e [ 36.298806][ T796] RDX: 0000000000000000 RSI: 00007ffd83603eb0 RDI: 0000000000000005 [ 36.298807][ T796] RBP: 00007ffd83603e10 R08: 0000000000000000 R09: 0000000000000000 [ 36.298808][ T796] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911880 [ 36.298809][ T796] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd83604580 | [ 41.839166][ T920] softirqs last disabled at (28378): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 41.839169][ T920] Preemption disabled at: | [ 41.839169][ T920] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.839177][ T920] Tainted: [W]=WARN [ 41.839178][ T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.839180][ T920] Call Trace: [ 41.839181][ T920] [ 41.839183][ T920] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.839188][ T920] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.839190][ T920] __might_resched.cold (kernel/sched/core.c:9234) [ 41.839194][ T920] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.839199][ T920] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 41.839203][ T920] __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)) [ 41.839205][ T920] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.839211][ T920] ? 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) [ 41.839214][ T920] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.839218][ T920] put_chars (drivers/char/virtio_console.c:1176) [ 41.839220][ T920] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.839226][ T920] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.839234][ T920] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.839237][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.839241][ T920] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.839245][ T920] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.839247][ T920] ? 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)) [ 41.839250][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.839253][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.839257][ T920] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.839261][ T920] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.839263][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.839268][ T920] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.839271][ T920] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.839273][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.839274][ T920] ? 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) [ 41.839278][ T920] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.839279][ T920] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.839282][ T920] vprintk_emit (kernel/printk/printk.c:2479) [ 41.839285][ T920] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.839287][ T920] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 41.839292][ T920] _printk (kernel/printk/printk.c:2504) [ 41.839296][ T920] ? snapshot_read.cold (user.c:?) [ 41.839298][ T920] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.839300][ T920] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.839303][ T920] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.839305][ T920] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.839309][ T920] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.839312][ T920] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 41.839314][ T920] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.839316][ T920] ? netdev_notice (net/core/dev.c:13194) [ 41.839319][ T920] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.839322][ T920] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.839325][ T920] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 41.839328][ T920] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 41.839330][ T920] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 41.839332][ T920] ? register_netdev (net/core/dev.c:11618) [ 41.839337][ T920] ? 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)) [ 41.839342][ T920] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 41.839345][ T920] ? __kernel_text_address (kernel/extable.c:79) [ 41.839347][ T920] ? write_profile (profile.c:?) [ 41.839351][ T920] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 41.839357][ T920] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 41.839360][ T920] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 41.839362][ T920] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 41.839363][ T920] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 41.839365][ T920] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 41.839368][ T920] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.839370][ T920] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.839372][ T920] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.839374][ T920] ? kasan_save_stack (mm/kasan/common.c:58) [ 41.839376][ T920] ? kasan_save_stack (mm/kasan/common.c:57) [ 41.839377][ T920] ? kasan_save_track (mm/kasan/common.c:78) [ 41.839379][ T920] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 41.839381][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.839383][ T920] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 41.839386][ T920] ? ___sys_sendmsg (net/socket.c:2758) [ 41.839389][ T920] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.839391][ T920] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 41.839394][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.839395][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.839397][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.839398][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.839400][ T920] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 41.839402][ T920] ? __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) [ 41.839403][ T920] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 41.839405][ T920] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 41.839408][ T920] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 41.839409][ T920] ? nla_get_range_signed (lib/nlattr.c:270) [ 41.839414][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.839416][ T920] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 41.839421][ T920] rtnl_newlink (net/core/rtnetlink.c:4215) [ 41.839426][ T920] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.839428][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.839432][ T920] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.839434][ T920] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.839436][ T920] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.839438][ T920] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.839441][ T920] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.839443][ T920] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.839446][ T920] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.839448][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.839452][ T920] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.839454][ T920] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.839457][ T920] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.839460][ T920] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.839463][ T920] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.839469][ T920] ? 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)) [ 41.839471][ T920] ? 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)) [ 41.839476][ T920] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.839480][ T920] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.839482][ T920] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.839486][ T920] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.839490][ T920] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.839494][ T920] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.839495][ T920] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 41.839500][ T920] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 41.839503][ T920] ____sys_sendmsg (net/socket.c:2713) [ 41.839505][ T920] ? copy_msghdr_from_user (net/socket.c:2650) [ 41.839507][ T920] ? sock_write_iter (net/socket.c:1269) [ 41.839509][ T920] ? move_addr_to_kernel (net/socket.c:258) [ 41.839516][ T920] ___sys_sendmsg (net/socket.c:2767) [ 41.839519][ T920] ? copy_msghdr_from_user (net/socket.c:2619) [ 41.839534][ T920] __sys_sendmsg (net/socket.c:2799) [ 41.839537][ T920] ? __sys_sendmsg_sock (net/socket.c:2780) [ 41.839543][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.839546][ T920] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.839548][ T920] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.839551][ T920] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.839554][ T920] RIP: 0033:0x7fca3c4ba54e [ 41.839558][ T920] 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 [ 41.839559][ T920] RSP: 002b:00007ffc548fe250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 41.839562][ T920] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fca3c4ba54e [ 41.839563][ T920] RDX: 0000000000000000 RSI: 00007ffc548fe300 RDI: 0000000000000005 [ 41.839564][ T920] RBP: 00007ffc548fe260 R08: 0000000000000000 R09: 0000000000000000 [ 41.839565][ T920] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911886 [ 41.839565][ T920] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc548fe9d0 | [ 43.189563][ T95] softirqs last disabled at (291118): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 43.189566][ T95] Preemption disabled at: | [ 43.189566][ T95] 0x0 | [ 43.189576][ T95] Tainted: [W]=WARN [ 43.189577][ T95] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.189579][ T95] Workqueue: events_unbound linkwatch_event [ 43.189582][ T95] Call Trace: [ 43.189584][ T95] [ 43.189586][ T95] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.189593][ T95] __might_resched.cold (kernel/sched/core.c:9234) [ 43.189597][ T95] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.189601][ T95] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.189605][ T95] __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)) [ 43.189607][ T95] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.189614][ T95] ? 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) [ 43.189617][ T95] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.189620][ T95] put_chars (drivers/char/virtio_console.c:1176) [ 43.189623][ T95] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.189625][ T95] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.189628][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.189631][ T95] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.189635][ T95] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.189639][ T95] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.189641][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.189643][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.189647][ T95] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.189649][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.189653][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.189657][ T95] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.189661][ T95] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.189663][ T95] ? 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)) [ 43.189666][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.189668][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.189672][ T95] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.189677][ T95] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.189679][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.189684][ T95] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.189687][ T95] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.189689][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.189690][ T95] ? 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) [ 43.189694][ T95] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.189696][ T95] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.189699][ T95] vprintk_emit (kernel/printk/printk.c:2479) [ 43.189702][ T95] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.189704][ T95] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.189706][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.189709][ T95] _printk (kernel/printk/printk.c:2504) [ 43.189713][ T95] ? snapshot_read.cold (user.c:?) [ 43.189718][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.189722][ T95] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 43.189726][ T95] br_init_port (net/bridge/br_stp_if.c:39) [ 43.189729][ T95] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 43.189731][ T95] br_port_carrier_check (net/bridge/br_if.c:90) [ 43.189734][ T95] br_device_event (net/bridge/br.c:101) [ 43.189738][ T95] ? packet_sendmsg_spkt (af_packet.c:?) [ 43.189740][ T95] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 43.189747][ T95] notifier_call_chain (kernel/notifier.c:85) [ 43.189752][ T95] netif_state_change (net/core/dev.c:1625) [ 43.189757][ T95] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.189762][ T95] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 43.189764][ T95] __linkwatch_run_queue (net/core/link_watch.c:240) [ 43.189767][ T95] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.189769][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.189774][ T95] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 43.189776][ T95] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 43.189779][ T95] process_one_work (kernel/workqueue.c:3387) [ 43.189786][ T95] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.189789][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.189797][ T95] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.189801][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.189803][ T95] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 43.189806][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.189808][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.189810][ T95] kthread (kernel/kthread.c:436) [ 43.189812][ T95] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.189816][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.189818][ T95] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.189823][ T95] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.189826][ T95] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.189829][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.189832][ T95] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.822680][ T71] softirqs last disabled at (652624): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 45.822682][ T71] Preemption disabled at: | [ 45.822683][ T71] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.822690][ T71] Tainted: [W]=WARN [ 45.822691][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.822693][ T71] Workqueue: netns cleanup_net [ 45.822696][ T71] Call Trace: [ 45.822698][ T71] [ 45.822700][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.822705][ T71] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.822707][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 45.822711][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.822715][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 45.822720][ T71] __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)) [ 45.822722][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.822729][ T71] ? 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) [ 45.822731][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.822735][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 45.822738][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.822741][ T71] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 45.822746][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.822750][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.822756][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.822759][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.822765][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.822769][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.822771][ T71] ? 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)) [ 45.822774][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.822776][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.822780][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.822785][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.822787][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.822792][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.822795][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.822797][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.822799][ T71] ? 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) [ 45.822803][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.822804][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.822807][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 45.822811][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.822812][ T71] ? cleanup_net (net/core/net_namespace.c:706) [ 45.822814][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.822816][ T71] ? kthread (kernel/kthread.c:436) [ 45.822818][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 45.822821][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 45.822826][ T71] _printk (kernel/printk/printk.c:2504) [ 45.822829][ T71] ? snapshot_read.cold (user.c:?) [ 45.822834][ T71] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.822838][ T71] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.822842][ T71] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.822845][ T71] ? netdev_notice (net/core/dev.c:13194) [ 45.822849][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.822851][ T71] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 45.822853][ T71] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 45.822855][ T71] ? 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) [ 45.822858][ T71] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 45.822862][ T71] dev_set_allmulti (net/core/dev_api.c:315) [ 45.822866][ T71] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 45.822869][ T71] ? unregister_netdevice_many (net/core/dev.c:12589) [ 45.822871][ T71] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 45.822876][ T71] br_dev_delete (net/bridge/br_if.c:387) [ 45.822880][ T71] br_net_exit_rtnl (net/bridge/br.c:414) [ 45.822883][ T71] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 45.822887][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 45.822891][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 45.822892][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.822895][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 45.822900][ T71] cleanup_net (net/core/net_namespace.c:706) [ 45.822903][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 45.822907][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.822909][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.822913][ T71] process_one_work (kernel/workqueue.c:3387) [ 45.822919][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.822922][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.822930][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.822935][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.822937][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 45.822942][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.822945][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.822947][ T71] kthread (kernel/kthread.c:436) [ 45.822948][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.822952][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.822955][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.822957][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.822961][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.822964][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.822967][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 47.765616][ T1066] softirqs last disabled at (19426): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 47.765618][ T1066] Preemption disabled at: | [ 47.765619][ T1066] vprintk_emit (kernel/printk/printk.c:2471) | [ 47.765627][ T1066] Tainted: [W]=WARN [ 47.765627][ T1066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.765629][ T1066] Call Trace: [ 47.765631][ T1066] [ 47.765632][ T1066] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.765638][ T1066] ? vprintk_emit (kernel/printk/printk.c:2471) [ 47.765639][ T1066] __might_resched.cold (kernel/sched/core.c:9234) [ 47.765644][ T1066] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 47.765648][ T1066] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 47.765652][ T1066] __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)) [ 47.765654][ T1066] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.765661][ T1066] ? 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) [ 47.765663][ T1066] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.765667][ T1066] put_chars (drivers/char/virtio_console.c:1176) [ 47.765669][ T1066] ? __send_to_port (drivers/char/virtio_console.c:654) [ 47.765675][ T1066] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 47.765683][ T1066] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 47.765686][ T1066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.765690][ T1066] console_emit_next_record (kernel/printk/printk.c:3183) [ 47.765694][ T1066] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 47.765696][ T1066] ? 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)) [ 47.765699][ T1066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.765702][ T1066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.765706][ T1066] console_flush_one_record (kernel/printk/printk.c:3268) [ 47.765710][ T1066] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 47.765711][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.765717][ T1066] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 47.765719][ T1066] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 47.765721][ T1066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.765723][ T1066] ? 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) [ 47.765726][ T1066] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 47.765728][ T1066] ? vprintk_emit (kernel/printk/printk.c:2478) [ 47.765731][ T1066] vprintk_emit (kernel/printk/printk.c:2479) [ 47.765734][ T1066] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 47.765736][ T1066] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 47.765741][ T1066] _printk (kernel/printk/printk.c:2504) [ 47.765745][ T1066] ? snapshot_read.cold (user.c:?) [ 47.765746][ T1066] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.765749][ T1066] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.765751][ T1066] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.765754][ T1066] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 47.765757][ T1066] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 47.765760][ T1066] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 47.765762][ T1066] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 47.765765][ T1066] ? netdev_notice (net/core/dev.c:13194) [ 47.765768][ T1066] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.765771][ T1066] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.765773][ T1066] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 47.765777][ T1066] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 47.765779][ T1066] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 47.765781][ T1066] ? register_netdev (net/core/dev.c:11618) [ 47.765782][ T1066] ? 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)) [ 47.765787][ T1066] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 47.765790][ T1066] ? __kernel_text_address (kernel/extable.c:79) [ 47.765792][ T1066] ? write_profile (profile.c:?) [ 47.765796][ T1066] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 47.765802][ T1066] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 47.765805][ T1066] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 47.765807][ T1066] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 47.765808][ T1066] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 47.765810][ T1066] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 47.765813][ T1066] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.765815][ T1066] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.765817][ T1066] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.765819][ T1066] ? kasan_save_stack (mm/kasan/common.c:58) [ 47.765821][ T1066] ? kasan_save_stack (mm/kasan/common.c:57) [ 47.765822][ T1066] ? kasan_save_track (mm/kasan/common.c:78) [ 47.765823][ T1066] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 47.765826][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.765828][ T1066] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 47.765831][ T1066] ? ___sys_sendmsg (net/socket.c:2758) [ 47.765834][ T1066] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.765836][ T1066] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 47.765839][ T1066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.765840][ T1066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.765842][ T1066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.765843][ T1066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.765845][ T1066] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 47.765847][ T1066] ? __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) [ 47.765848][ T1066] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 47.765850][ T1066] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 47.765853][ T1066] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 47.765854][ T1066] ? nla_get_range_signed (lib/nlattr.c:270) [ 47.765859][ T1066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.765861][ T1066] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 47.765866][ T1066] rtnl_newlink (net/core/rtnetlink.c:4215) [ 47.765871][ T1066] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 47.765873][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.765877][ T1066] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.765879][ T1066] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.765881][ T1066] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 47.765883][ T1066] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.765886][ T1066] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 47.765888][ T1066] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 47.765891][ T1066] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 47.765892][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.765897][ T1066] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.765899][ T1066] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.765902][ T1066] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 47.765905][ T1066] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 47.765908][ T1066] ? netlink_ack (./include/linux/skbuff.h:2718) [ 47.765914][ T1066] ? 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)) [ 47.765916][ T1066] ? 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)) [ 47.765921][ T1066] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 47.765924][ T1066] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 47.765927][ T1066] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.765931][ T1066] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 47.765935][ T1066] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 47.765941][ T1066] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.765943][ T1066] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 47.765948][ T1066] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 47.765951][ T1066] ____sys_sendmsg (net/socket.c:2713) [ 47.765953][ T1066] ? copy_msghdr_from_user (net/socket.c:2650) [ 47.765956][ T1066] ? sock_write_iter (net/socket.c:1269) [ 47.765957][ T1066] ? move_addr_to_kernel (net/socket.c:258) [ 47.765964][ T1066] ___sys_sendmsg (net/socket.c:2767) [ 47.765967][ T1066] ? copy_msghdr_from_user (net/socket.c:2619) [ 47.765982][ T1066] __sys_sendmsg (net/socket.c:2799) [ 47.765985][ T1066] ? __sys_sendmsg_sock (net/socket.c:2780) [ 47.765991][ T1066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.765994][ T1066] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 47.765997][ T1066] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 47.766000][ T1066] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 47.766002][ T1066] RIP: 0033:0x7f1ee2c7a54e [ 47.766006][ T1066] 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 [ 47.766008][ T1066] RSP: 002b:00007fff9a785250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 47.766010][ T1066] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1ee2c7a54e [ 47.766012][ T1066] RDX: 0000000000000000 RSI: 00007fff9a785300 RDI: 0000000000000005 [ 47.766012][ T1066] RBP: 00007fff9a785260 R08: 0000000000000000 R09: 0000000000000000 [ 47.766013][ T1066] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91188c [ 47.766014][ T1066] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9a7859d0 | [ 50.885154][ T71] softirqs last disabled at (837553): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 50.885156][ T71] Preemption disabled at: | [ 50.885157][ T71] vprintk_emit (kernel/printk/printk.c:2471) | [ 50.885166][ T71] Tainted: [W]=WARN [ 50.885167][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.885168][ T71] Workqueue: netns cleanup_net [ 50.885172][ T71] Call Trace: [ 50.885174][ T71] [ 50.885176][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 50.885182][ T71] ? vprintk_emit (kernel/printk/printk.c:2471) [ 50.885183][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 50.885188][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 50.885192][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 50.885196][ T71] __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)) [ 50.885198][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.885205][ T71] ? 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) [ 50.885207][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.885211][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 50.885214][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 50.885215][ T71] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.885219][ T71] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 50.885222][ T71] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.885227][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 50.885231][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.885236][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 50.885239][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.885244][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 50.885248][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 50.885250][ T71] ? 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)) [ 50.885253][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.885255][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.885259][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 50.885264][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 50.885265][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.885271][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 50.885274][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 50.885276][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.885278][ T71] ? 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) [ 50.885281][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 50.885283][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 50.885286][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 50.885289][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 50.885291][ T71] ? cleanup_net (net/core/net_namespace.c:706) [ 50.885292][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 50.885294][ T71] ? kthread (kernel/kthread.c:436) [ 50.885296][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 50.885299][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 50.885304][ T71] _printk (kernel/printk/printk.c:2504) [ 50.885308][ T71] ? snapshot_read.cold (user.c:?) [ 50.885312][ T71] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 50.885316][ T71] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 50.885320][ T71] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 50.885323][ T71] ? netdev_notice (net/core/dev.c:13194) [ 50.885327][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.885329][ T71] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 50.885331][ T71] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 50.885333][ T71] ? 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) [ 50.885336][ T71] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 50.885340][ T71] dev_set_allmulti (net/core/dev_api.c:315) [ 50.885343][ T71] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 50.885347][ T71] ? unregister_netdevice_many (net/core/dev.c:12589) [ 50.885348][ T71] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 50.885353][ T71] br_dev_delete (net/bridge/br_if.c:387) [ 50.885357][ T71] br_net_exit_rtnl (net/bridge/br.c:414) [ 50.885360][ T71] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 50.885364][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 50.885368][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 50.885369][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.885372][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 50.885377][ T71] cleanup_net (net/core/net_namespace.c:706) [ 50.885384][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 50.885388][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.885390][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.885393][ T71] process_one_work (kernel/workqueue.c:3387) [ 50.885400][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 50.885403][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.885410][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 50.885415][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.885417][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 50.885419][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.885422][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.885424][ T71] kthread (kernel/kthread.c:436) [ 50.885426][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.885429][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 50.885432][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 50.885435][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 50.885438][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 50.885442][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 50.885445][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 52.502560][ T1198] softirqs last disabled at (18884): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 52.502563][ T1198] Preemption disabled at: | [ 52.502563][ T1198] vprintk_emit (kernel/printk/printk.c:2471) | [ 52.502571][ T1198] Tainted: [W]=WARN [ 52.502572][ T1198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.502574][ T1198] Call Trace: [ 52.502576][ T1198] [ 52.502577][ T1198] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.502583][ T1198] ? vprintk_emit (kernel/printk/printk.c:2471) [ 52.502584][ T1198] __might_resched.cold (kernel/sched/core.c:9234) [ 52.502589][ T1198] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.502593][ T1198] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 52.502597][ T1198] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 52.502599][ T1198] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.502605][ T1198] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 52.502608][ T1198] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.502611][ T1198] put_chars (drivers/char/virtio_console.c:1176) [ 52.502614][ T1198] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.502620][ T1198] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.502627][ T1198] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.502630][ T1198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.502634][ T1198] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.502638][ T1198] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.502640][ T1198] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 52.502643][ T1198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.502646][ T1198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.502650][ T1198] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.502654][ T1198] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.502656][ T1198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.502661][ T1198] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.502664][ T1198] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.502665][ T1198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.502667][ T1198] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 52.502671][ T1198] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.502672][ T1198] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.502675][ T1198] vprintk_emit (kernel/printk/printk.c:2479) [ 52.502678][ T1198] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.502681][ T1198] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 52.502686][ T1198] _printk (kernel/printk/printk.c:2504) [ 52.502689][ T1198] ? snapshot_read.cold (user.c:?) [ 52.502691][ T1198] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.502693][ T1198] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 52.502696][ T1198] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 52.502698][ T1198] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 52.502702][ T1198] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 52.502704][ T1198] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 52.502707][ T1198] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 52.502709][ T1198] ? netdev_notice (net/core/dev.c:13194) [ 52.502712][ T1198] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.502715][ T1198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.502718][ T1198] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 52.502721][ T1198] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 52.502723][ T1198] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 52.502725][ T1198] ? register_netdev (net/core/dev.c:11618) [ 52.502726][ T1198] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 52.502732][ T1198] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 52.502734][ T1198] ? __kernel_text_address (kernel/extable.c:79) [ 52.502736][ T1198] ? write_profile (profile.c:?) [ 52.502740][ T1198] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 52.502746][ T1198] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 52.502749][ T1198] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 52.502751][ T1198] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 52.502753][ T1198] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 52.502754][ T1198] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 52.502757][ T1198] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.502759][ T1198] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 52.502761][ T1198] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 52.502763][ T1198] ? kasan_save_stack (mm/kasan/common.c:58) [ 52.502765][ T1198] ? kasan_save_stack (mm/kasan/common.c:57) [ 52.502766][ T1198] ? kasan_save_track (mm/kasan/common.c:78) [ 52.502767][ T1198] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 52.502770][ T1198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.502772][ T1198] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 52.502775][ T1198] ? ___sys_sendmsg (net/socket.c:2758) [ 52.502778][ T1198] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.502780][ T1198] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 52.502783][ T1198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.502785][ T1198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.502786][ T1198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.502787][ T1198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.502789][ T1198] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 52.502791][ T1198] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 52.502792][ T1198] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 52.502794][ T1198] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 52.502797][ T1198] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 52.502799][ T1198] ? nla_get_range_signed (lib/nlattr.c:270) [ 52.502803][ T1198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.502805][ T1198] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 52.502810][ T1198] rtnl_newlink (net/core/rtnetlink.c:4215) [ 52.502816][ T1198] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 52.502817][ T1198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.502822][ T1198] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.502824][ T1198] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.502825][ T1198] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 52.502827][ T1198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.502831][ T1198] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 52.502833][ T1198] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 52.502836][ T1198] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 52.502837][ T1198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.502842][ T1198] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.502843][ T1198] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.502847][ T1198] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 52.502850][ T1198] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 52.502853][ T1198] ? netlink_ack (./include/linux/skbuff.h:2718) [ 52.502859][ T1198] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 52.502861][ T1198] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 52.502865][ T1198] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 52.502869][ T1198] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 52.502872][ T1198] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.502876][ T1198] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 52.502880][ T1198] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 52.502883][ T1198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.502885][ T1198] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 52.502890][ T1198] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 52.502893][ T1198] ____sys_sendmsg (net/socket.c:2713) [ 52.502895][ T1198] ? copy_msghdr_from_user (net/socket.c:2650) [ 52.502897][ T1198] ? sock_write_iter (net/socket.c:1269) [ 52.502899][ T1198] ? move_addr_to_kernel (net/socket.c:258) [ 52.502906][ T1198] ___sys_sendmsg (net/socket.c:2767) [ 52.502909][ T1198] ? copy_msghdr_from_user (net/socket.c:2619) [ 52.502924][ T1198] __sys_sendmsg (net/socket.c:2799) [ 52.502927][ T1198] ? __sys_sendmsg_sock (net/socket.c:2780) [ 52.502933][ T1198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.502936][ T1198] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 52.502942][ T1198] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 52.502945][ T1198] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 52.502947][ T1198] RIP: 0033:0x7f226d50a54e [ 52.502950][ T1198] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 52.502952][ T1198] RSP: 002b:00007ffd9214c1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 52.502955][ T1198] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f226d50a54e [ 52.502956][ T1198] RDX: 0000000000000000 RSI: 00007ffd9214c270 RDI: 0000000000000005 [ 52.502957][ T1198] RBP: 00007ffd9214c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.502958][ T1198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911890 [ 52.502958][ T1198] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9214c940 | [ 57.564787][ T1318] softirqs last disabled at (30494): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 57.564789][ T1318] Preemption disabled at: | [ 57.564790][ T1318] vprintk_emit (kernel/printk/printk.c:2471) | [ 57.564798][ T1318] Tainted: [W]=WARN [ 57.564799][ T1318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 57.564800][ T1318] Call Trace: [ 57.564801][ T1318] [ 57.564803][ T1318] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 57.564808][ T1318] ? vprintk_emit (kernel/printk/printk.c:2471) [ 57.564810][ T1318] __might_resched.cold (kernel/sched/core.c:9234) [ 57.564814][ T1318] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 57.564819][ T1318] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 57.564823][ 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)) [ 57.564825][ T1318] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.564831][ 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) [ 57.564834][ T1318] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.564838][ T1318] put_chars (drivers/char/virtio_console.c:1176) [ 57.564841][ T1318] ? __send_to_port (drivers/char/virtio_console.c:654) [ 57.564847][ T1318] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 57.564854][ T1318] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 57.564857][ T1318] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.564862][ T1318] console_emit_next_record (kernel/printk/printk.c:3183) [ 57.564866][ T1318] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 57.564868][ T1318] ? 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)) [ 57.564871][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.564873][ T1318] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.564877][ T1318] console_flush_one_record (kernel/printk/printk.c:3268) [ 57.564881][ T1318] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 57.564883][ T1318] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.564888][ T1318] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 57.564891][ T1318] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 57.564893][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.564894][ 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) [ 57.564898][ T1318] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 57.564900][ T1318] ? vprintk_emit (kernel/printk/printk.c:2478) [ 57.564902][ T1318] vprintk_emit (kernel/printk/printk.c:2479) [ 57.564905][ T1318] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 57.564908][ T1318] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 57.564913][ T1318] _printk (kernel/printk/printk.c:2504) [ 57.564917][ T1318] ? snapshot_read.cold (user.c:?) [ 57.564918][ T1318] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 57.564921][ T1318] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 57.564923][ T1318] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 57.564925][ T1318] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 57.564930][ T1318] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 57.564932][ T1318] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 57.564934][ T1318] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 57.564937][ T1318] ? netdev_notice (net/core/dev.c:13194) [ 57.564942][ T1318] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 57.564945][ T1318] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 57.564948][ T1318] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 57.564951][ T1318] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 57.564953][ T1318] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 57.564955][ T1318] ? register_netdev (net/core/dev.c:11618) [ 57.564957][ T1318] ? 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)) [ 57.564962][ T1318] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 57.564965][ T1318] ? __kernel_text_address (kernel/extable.c:79) [ 57.564967][ T1318] ? write_profile (profile.c:?) [ 57.564971][ T1318] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 57.564977][ T1318] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 57.564980][ T1318] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 57.564982][ T1318] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 57.564984][ T1318] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 57.564986][ T1318] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 57.564989][ T1318] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 57.564991][ T1318] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 57.564993][ T1318] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 57.564995][ T1318] ? kasan_save_stack (mm/kasan/common.c:58) [ 57.564997][ T1318] ? kasan_save_stack (mm/kasan/common.c:57) [ 57.564998][ T1318] ? kasan_save_track (mm/kasan/common.c:78) [ 57.564999][ T1318] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 57.565001][ T1318] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.565003][ T1318] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 57.565006][ T1318] ? ___sys_sendmsg (net/socket.c:2758) [ 57.565010][ T1318] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 57.565012][ T1318] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 57.565014][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.565016][ T1318] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.565018][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.565019][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.565020][ T1318] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 57.565023][ 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) [ 57.565024][ T1318] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 57.565026][ T1318] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 57.565029][ T1318] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 57.565030][ T1318] ? nla_get_range_signed (lib/nlattr.c:270) [ 57.565035][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.565037][ T1318] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 57.565042][ T1318] rtnl_newlink (net/core/rtnetlink.c:4215) [ 57.565047][ T1318] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 57.565049][ T1318] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.565053][ T1318] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 57.565055][ T1318] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 57.565057][ T1318] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 57.565059][ T1318] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 57.565063][ T1318] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 57.565065][ T1318] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 57.565068][ T1318] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 57.565069][ T1318] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.565073][ T1318] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 57.565075][ T1318] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 57.565079][ T1318] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 57.565082][ T1318] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 57.565084][ T1318] ? netlink_ack (./include/linux/skbuff.h:2718) [ 57.565091][ T1318] ? 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)) [ 57.565093][ T1318] ? 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)) [ 57.565097][ T1318] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 57.565101][ T1318] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 57.565104][ T1318] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 57.565108][ T1318] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 57.565112][ T1318] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 57.565115][ T1318] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 57.565117][ T1318] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 57.565122][ T1318] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 57.565125][ T1318] ____sys_sendmsg (net/socket.c:2713) [ 57.565127][ T1318] ? copy_msghdr_from_user (net/socket.c:2650) [ 57.565130][ T1318] ? sock_write_iter (net/socket.c:1269) [ 57.565131][ T1318] ? move_addr_to_kernel (net/socket.c:258) [ 57.565138][ T1318] ___sys_sendmsg (net/socket.c:2767) [ 57.565141][ T1318] ? copy_msghdr_from_user (net/socket.c:2619) [ 57.565156][ T1318] __sys_sendmsg (net/socket.c:2799) [ 57.565159][ T1318] ? __sys_sendmsg_sock (net/socket.c:2780) [ 57.565165][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.565168][ T1318] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 57.565171][ T1318] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 57.565174][ T1318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 57.565176][ T1318] RIP: 0033:0x7fe16839d54e [ 57.565180][ 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 [ 57.565182][ T1318] RSP: 002b:00007ffe8870f460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 57.565184][ T1318] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe16839d54e [ 57.565186][ T1318] RDX: 0000000000000000 RSI: 00007ffe8870f510 RDI: 0000000000000005 [ 57.565187][ T1318] RBP: 00007ffe8870f470 R08: 0000000000000000 R09: 0000000000000000 [ 57.565187][ T1318] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911895 [ 57.565188][ T1318] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8870fbe0 | [ 62.627629][ T1437] softirqs last disabled at (25514): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 62.627631][ T1437] Preemption disabled at: | [ 62.627632][ T1437] vprintk_emit (kernel/printk/printk.c:2471) | [ 62.627640][ T1437] Tainted: [W]=WARN [ 62.627641][ T1437] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 62.627642][ T1437] Call Trace: [ 62.627644][ T1437] [ 62.627646][ T1437] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 62.627651][ T1437] ? vprintk_emit (kernel/printk/printk.c:2471) [ 62.627653][ T1437] __might_resched.cold (kernel/sched/core.c:9234) [ 62.627657][ T1437] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 62.627661][ T1437] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 62.627665][ T1437] __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)) [ 62.627667][ T1437] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.627674][ T1437] ? 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) [ 62.627676][ T1437] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.627680][ T1437] put_chars (drivers/char/virtio_console.c:1176) [ 62.627683][ T1437] ? __send_to_port (drivers/char/virtio_console.c:654) [ 62.627689][ T1437] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 62.627697][ T1437] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 62.627700][ T1437] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.627704][ T1437] console_emit_next_record (kernel/printk/printk.c:3183) [ 62.627708][ T1437] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 62.627710][ T1437] ? 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)) [ 62.627713][ T1437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.627716][ T1437] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.627720][ T1437] console_flush_one_record (kernel/printk/printk.c:3268) [ 62.627724][ T1437] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 62.627726][ T1437] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.627731][ T1437] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 62.627734][ T1437] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 62.627736][ T1437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.627737][ T1437] ? 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) [ 62.627741][ T1437] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 62.627743][ T1437] ? vprintk_emit (kernel/printk/printk.c:2478) [ 62.627745][ T1437] vprintk_emit (kernel/printk/printk.c:2479) [ 62.627748][ T1437] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 62.627751][ T1437] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 62.627756][ T1437] _printk (kernel/printk/printk.c:2504) [ 62.627760][ T1437] ? snapshot_read.cold (user.c:?) [ 62.627761][ T1437] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 62.627764][ T1437] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 62.627767][ T1437] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 62.627769][ T1437] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 62.627773][ T1437] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 62.627775][ T1437] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 62.627778][ T1437] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 62.627780][ T1437] ? netdev_notice (net/core/dev.c:13194) [ 62.627783][ T1437] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.627786][ T1437] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.627789][ T1437] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 62.627792][ T1437] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 62.627794][ T1437] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 62.627796][ T1437] ? register_netdev (net/core/dev.c:11618) [ 62.627797][ T1437] ? 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)) [ 62.627803][ T1437] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 62.627805][ T1437] ? __kernel_text_address (kernel/extable.c:79) [ 62.627808][ T1437] ? write_profile (profile.c:?) [ 62.627812][ T1437] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 62.627817][ T1437] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 62.627821][ T1437] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 62.627823][ T1437] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 62.627824][ T1437] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 62.627826][ T1437] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 62.627829][ T1437] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 62.627831][ T1437] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 62.627833][ T1437] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 62.627835][ T1437] ? kasan_save_stack (mm/kasan/common.c:58) [ 62.627837][ T1437] ? kasan_save_stack (mm/kasan/common.c:57) [ 62.627838][ T1437] ? kasan_save_track (mm/kasan/common.c:78) [ 62.627839][ T1437] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 62.627842][ T1437] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.627844][ T1437] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 62.627847][ T1437] ? ___sys_sendmsg (net/socket.c:2758) [ 62.627851][ T1437] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.627853][ T1437] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 62.627855][ T1437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.627857][ T1437] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.627858][ T1437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.627860][ T1437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.627861][ T1437] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 62.627863][ T1437] ? __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) [ 62.627865][ T1437] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 62.627866][ T1437] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 62.627870][ T1437] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 62.627871][ T1437] ? nla_get_range_signed (lib/nlattr.c:270) [ 62.627876][ T1437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.627878][ T1437] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 62.627883][ T1437] rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.627888][ T1437] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.627890][ T1437] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.627894][ T1437] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.627896][ T1437] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.627898][ T1437] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.627900][ T1437] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.627904][ T1437] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.627906][ T1437] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.627909][ T1437] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.627910][ T1437] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.627914][ T1437] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.627916][ T1437] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.627920][ T1437] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 62.627923][ T1437] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.627926][ T1437] ? netlink_ack (./include/linux/skbuff.h:2718) [ 62.627932][ T1437] ? 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)) [ 62.627934][ T1437] ? 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)) [ 62.627941][ T1437] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 62.627945][ T1437] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 62.627948][ T1437] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.627952][ T1437] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 62.627956][ T1437] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 62.627960][ T1437] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.627961][ T1437] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 62.627966][ T1437] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 62.627969][ T1437] ____sys_sendmsg (net/socket.c:2713) [ 62.627971][ T1437] ? copy_msghdr_from_user (net/socket.c:2650) [ 62.627973][ T1437] ? sock_write_iter (net/socket.c:1269) [ 62.627975][ T1437] ? move_addr_to_kernel (net/socket.c:258) [ 62.627982][ T1437] ___sys_sendmsg (net/socket.c:2767) [ 62.627985][ T1437] ? copy_msghdr_from_user (net/socket.c:2619) [ 62.628000][ T1437] __sys_sendmsg (net/socket.c:2799) [ 62.628003][ T1437] ? __sys_sendmsg_sock (net/socket.c:2780) [ 62.628009][ T1437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.628012][ T1437] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 62.628015][ T1437] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 62.628018][ T1437] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.628020][ T1437] RIP: 0033:0x7f5908fb654e [ 62.628024][ T1437] 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 [ 62.628026][ T1437] RSP: 002b:00007fff2ee854b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 62.628028][ T1437] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5908fb654e [ 62.628030][ T1437] RDX: 0000000000000000 RSI: 00007fff2ee85560 RDI: 0000000000000005 [ 62.628030][ T1437] RBP: 00007fff2ee854c0 R08: 0000000000000000 R09: 0000000000000000 [ 62.628031][ T1437] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91189a [ 62.628032][ T1437] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2ee85c30 | [ 67.789706][ T1554] softirqs last disabled at (16976): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 67.789708][ T1554] Preemption disabled at: | [ 67.789709][ T1554] vprintk_emit (kernel/printk/printk.c:2471) | [ 67.789717][ T1554] Tainted: [W]=WARN [ 67.789718][ T1554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 67.789719][ T1554] Call Trace: [ 67.789721][ T1554] [ 67.789722][ T1554] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 67.789728][ T1554] ? vprintk_emit (kernel/printk/printk.c:2471) [ 67.789729][ T1554] __might_resched.cold (kernel/sched/core.c:9234) [ 67.789734][ T1554] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 67.789738][ T1554] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 67.789742][ T1554] __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)) [ 67.789744][ T1554] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.789750][ T1554] ? 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) [ 67.789753][ T1554] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.789757][ T1554] put_chars (drivers/char/virtio_console.c:1176) [ 67.789759][ T1554] ? __send_to_port (drivers/char/virtio_console.c:654) [ 67.789765][ T1554] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 67.789772][ T1554] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 67.789775][ T1554] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.789780][ T1554] console_emit_next_record (kernel/printk/printk.c:3183) [ 67.789784][ T1554] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 67.789786][ T1554] ? 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)) [ 67.789789][ T1554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.789791][ T1554] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.789795][ T1554] console_flush_one_record (kernel/printk/printk.c:3268) [ 67.789799][ T1554] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 67.789801][ T1554] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.789806][ T1554] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 67.789809][ T1554] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 67.789811][ T1554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.789812][ T1554] ? 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) [ 67.789816][ T1554] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 67.789818][ T1554] ? vprintk_emit (kernel/printk/printk.c:2478) [ 67.789820][ T1554] vprintk_emit (kernel/printk/printk.c:2479) [ 67.789823][ T1554] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 67.789826][ T1554] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 67.789831][ T1554] _printk (kernel/printk/printk.c:2504) [ 67.789834][ T1554] ? snapshot_read.cold (user.c:?) [ 67.789836][ T1554] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 67.789839][ T1554] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 67.789841][ T1554] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 67.789844][ T1554] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 67.789847][ T1554] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 67.789850][ T1554] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 67.789852][ T1554] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 67.789855][ T1554] ? netdev_notice (net/core/dev.c:13194) [ 67.789857][ T1554] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 67.789860][ T1554] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 67.789863][ T1554] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 67.789866][ T1554] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 67.789868][ T1554] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 67.789870][ T1554] ? register_netdev (net/core/dev.c:11618) [ 67.789872][ T1554] ? 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)) [ 67.789877][ T1554] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 67.789879][ T1554] ? __kernel_text_address (kernel/extable.c:79) [ 67.789882][ T1554] ? write_profile (profile.c:?) [ 67.789886][ T1554] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 67.789891][ T1554] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 67.789895][ T1554] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 67.789897][ T1554] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 67.789898][ T1554] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 67.789900][ T1554] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 67.789903][ T1554] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 67.789905][ T1554] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 67.789907][ T1554] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 67.789909][ T1554] ? kasan_save_stack (mm/kasan/common.c:58) [ 67.789911][ T1554] ? kasan_save_stack (mm/kasan/common.c:57) [ 67.789912][ T1554] ? kasan_save_track (mm/kasan/common.c:78) [ 67.789913][ T1554] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 67.789915][ T1554] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.789917][ T1554] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 67.789920][ T1554] ? ___sys_sendmsg (net/socket.c:2758) [ 67.789924][ T1554] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 67.789926][ T1554] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 67.789929][ T1554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.789930][ T1554] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.789932][ T1554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.789933][ T1554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.789935][ T1554] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 67.789937][ T1554] ? __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) [ 67.789941][ T1554] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 67.789943][ T1554] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 67.789946][ T1554] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 67.789947][ T1554] ? nla_get_range_signed (lib/nlattr.c:270) [ 67.789952][ T1554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.789954][ T1554] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 67.789959][ T1554] rtnl_newlink (net/core/rtnetlink.c:4215) [ 67.789965][ T1554] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.789966][ T1554] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.789971][ T1554] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 67.789973][ T1554] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 67.789974][ T1554] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.789976][ T1554] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 67.789980][ T1554] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.789982][ T1554] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 67.789985][ T1554] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.789986][ T1554] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.789990][ T1554] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 67.789992][ T1554] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 67.789995][ T1554] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 67.789999][ T1554] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.790001][ T1554] ? netlink_ack (./include/linux/skbuff.h:2718) [ 67.790007][ T1554] ? 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)) [ 67.790009][ T1554] ? 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)) [ 67.790014][ T1554] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 67.790018][ T1554] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 67.790020][ T1554] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 67.790024][ T1554] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 67.790028][ T1554] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 67.790032][ T1554] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 67.790033][ T1554] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 67.790039][ T1554] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 67.790041][ T1554] ____sys_sendmsg (net/socket.c:2713) [ 67.790043][ T1554] ? copy_msghdr_from_user (net/socket.c:2650) [ 67.790046][ T1554] ? sock_write_iter (net/socket.c:1269) [ 67.790047][ T1554] ? move_addr_to_kernel (net/socket.c:258) [ 67.790054][ T1554] ___sys_sendmsg (net/socket.c:2767) [ 67.790057][ T1554] ? copy_msghdr_from_user (net/socket.c:2619) [ 67.790072][ T1554] __sys_sendmsg (net/socket.c:2799) [ 67.790075][ T1554] ? __sys_sendmsg_sock (net/socket.c:2780) [ 67.790081][ T1554] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.790084][ T1554] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 67.790087][ T1554] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 67.790090][ T1554] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 67.790092][ T1554] RIP: 0033:0x7f9b8bec054e [ 67.790095][ T1554] 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 [ 67.790097][ T1554] RSP: 002b:00007ffde527c500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 67.790100][ T1554] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9b8bec054e [ 67.790101][ T1554] RDX: 0000000000000000 RSI: 00007ffde527c5b0 RDI: 0000000000000005 [ 67.790102][ T1554] RBP: 00007ffde527c510 R08: 0000000000000000 R09: 0000000000000000 [ 67.790103][ T1554] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9118a0 [ 67.790104][ T1554] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde527cc80 | [ 73.890582][ T1675] softirqs last disabled at (22904): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 73.890585][ T1675] Preemption disabled at: | [ 73.890585][ T1675] vprintk_emit (kernel/printk/printk.c:2471) | [ 73.890594][ T1675] Tainted: [W]=WARN [ 73.890594][ T1675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 73.890596][ T1675] Call Trace: [ 73.890598][ T1675] [ 73.890599][ T1675] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 73.890605][ T1675] ? vprintk_emit (kernel/printk/printk.c:2471) [ 73.890606][ T1675] __might_resched.cold (kernel/sched/core.c:9234) [ 73.890610][ T1675] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 73.890615][ T1675] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 73.890619][ T1675] __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)) [ 73.890620][ T1675] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 73.890627][ T1675] ? 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) [ 73.890629][ T1675] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 73.890633][ T1675] put_chars (drivers/char/virtio_console.c:1176) [ 73.890635][ T1675] ? __send_to_port (drivers/char/virtio_console.c:654) [ 73.890641][ T1675] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 73.890649][ T1675] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 73.890652][ T1675] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.890656][ T1675] console_emit_next_record (kernel/printk/printk.c:3183) [ 73.890660][ T1675] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 73.890662][ T1675] ? 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)) [ 73.890665][ T1675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.890668][ T1675] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.890672][ T1675] console_flush_one_record (kernel/printk/printk.c:3268) [ 73.890676][ T1675] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 73.890678][ T1675] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 73.890683][ T1675] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 73.890686][ T1675] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 73.890687][ T1675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.890689][ T1675] ? 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) [ 73.890693][ T1675] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 73.890694][ T1675] ? vprintk_emit (kernel/printk/printk.c:2478) [ 73.890697][ T1675] vprintk_emit (kernel/printk/printk.c:2479) [ 73.890700][ T1675] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 73.890703][ T1675] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 73.890708][ T1675] _printk (kernel/printk/printk.c:2504) [ 73.890711][ T1675] ? snapshot_read.cold (user.c:?) [ 73.890713][ T1675] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 73.890715][ T1675] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 73.890718][ T1675] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 73.890720][ T1675] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 73.890724][ T1675] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 73.890726][ T1675] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 73.890728][ T1675] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 73.890731][ T1675] ? netdev_notice (net/core/dev.c:13194) [ 73.890734][ T1675] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 73.890737][ T1675] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 73.890739][ T1675] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 73.890743][ T1675] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 73.890745][ T1675] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 73.890747][ T1675] ? register_netdev (net/core/dev.c:11618) [ 73.890748][ T1675] ? 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)) [ 73.890753][ T1675] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 73.890756][ T1675] ? __kernel_text_address (kernel/extable.c:79) [ 73.890758][ T1675] ? write_profile (profile.c:?) [ 73.890762][ T1675] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 73.890767][ T1675] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 73.890771][ T1675] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 73.890773][ T1675] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 73.890774][ T1675] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 73.890776][ T1675] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 73.890779][ T1675] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 73.890781][ T1675] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 73.890782][ T1675] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 73.890785][ T1675] ? kasan_save_stack (mm/kasan/common.c:58) [ 73.890786][ T1675] ? kasan_save_stack (mm/kasan/common.c:57) [ 73.890788][ T1675] ? kasan_save_track (mm/kasan/common.c:78) [ 73.890789][ T1675] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 73.890791][ T1675] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 73.890793][ T1675] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 73.890796][ T1675] ? ___sys_sendmsg (net/socket.c:2758) [ 73.890800][ T1675] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 73.890802][ T1675] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 73.890804][ T1675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.890806][ T1675] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.890807][ T1675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.890808][ T1675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.890810][ T1675] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 73.890812][ T1675] ? __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) [ 73.890813][ T1675] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 73.890815][ T1675] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 73.890819][ T1675] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 73.890820][ T1675] ? nla_get_range_signed (lib/nlattr.c:270) [ 73.890824][ T1675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.890826][ T1675] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 73.890831][ T1675] rtnl_newlink (net/core/rtnetlink.c:4215) [ 73.890837][ T1675] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 73.890838][ T1675] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 73.890843][ T1675] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 73.890845][ T1675] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 73.890846][ T1675] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 73.890848][ T1675] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 73.890852][ T1675] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 73.890854][ T1675] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 73.890857][ T1675] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 73.890858][ T1675] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 73.890863][ T1675] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 73.890864][ T1675] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 73.890868][ T1675] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 73.890871][ T1675] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 73.890874][ T1675] ? netlink_ack (./include/linux/skbuff.h:2718) [ 73.890880][ T1675] ? 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)) [ 73.890882][ T1675] ? 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)) [ 73.890886][ T1675] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 73.890890][ T1675] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 73.890892][ T1675] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 73.890897][ T1675] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 73.890900][ T1675] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 73.890904][ T1675] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 73.890906][ T1675] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 73.890911][ T1675] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 73.890914][ T1675] ____sys_sendmsg (net/socket.c:2713) [ 73.890916][ T1675] ? copy_msghdr_from_user (net/socket.c:2650) [ 73.890918][ T1675] ? sock_write_iter (net/socket.c:1269) [ 73.890919][ T1675] ? move_addr_to_kernel (net/socket.c:258) [ 73.890927][ T1675] ___sys_sendmsg (net/socket.c:2767) [ 73.890929][ T1675] ? copy_msghdr_from_user (net/socket.c:2619) [ 73.890948][ T1675] __sys_sendmsg (net/socket.c:2799) [ 73.890950][ T1675] ? __sys_sendmsg_sock (net/socket.c:2780) [ 73.890956][ T1675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.890959][ T1675] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 73.890962][ T1675] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 73.890965][ T1675] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 73.890967][ T1675] RIP: 0033:0x7fb4ab68654e [ 73.890971][ T1675] 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 [ 73.890973][ T1675] RSP: 002b:00007ffe73471040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 73.890975][ T1675] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb4ab68654e [ 73.890976][ T1675] RDX: 0000000000000000 RSI: 00007ffe734710f0 RDI: 0000000000000005 [ 73.890977][ T1675] RBP: 00007ffe73471050 R08: 0000000000000000 R09: 0000000000000000 [ 73.890978][ T1675] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9118a6 [ 73.890979][ T1675] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe734717c0 | [ 80.504549][ T1810] softirqs last disabled at (24526): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 80.504552][ T1810] Preemption disabled at: | [ 80.504552][ T1810] vprintk_emit (kernel/printk/printk.c:2471) | [ 80.504561][ T1810] Tainted: [W]=WARN [ 80.504562][ T1810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 80.504563][ T1810] Call Trace: [ 80.504565][ T1810] [ 80.504566][ T1810] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 80.504572][ T1810] ? vprintk_emit (kernel/printk/printk.c:2471) [ 80.504573][ T1810] __might_resched.cold (kernel/sched/core.c:9234) [ 80.504578][ T1810] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 80.504582][ T1810] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 80.504586][ T1810] __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)) [ 80.504588][ T1810] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.504594][ T1810] ? 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) [ 80.504597][ T1810] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.504600][ T1810] put_chars (drivers/char/virtio_console.c:1176) [ 80.504603][ T1810] ? __send_to_port (drivers/char/virtio_console.c:654) [ 80.504609][ T1810] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 80.504617][ T1810] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 80.504620][ T1810] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.504624][ T1810] console_emit_next_record (kernel/printk/printk.c:3183) [ 80.504628][ T1810] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 80.504630][ T1810] ? 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)) [ 80.504633][ T1810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.504635][ T1810] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.504639][ T1810] console_flush_one_record (kernel/printk/printk.c:3268) [ 80.504643][ T1810] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 80.504645][ T1810] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 80.504650][ T1810] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 80.504653][ T1810] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 80.504655][ T1810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.504657][ T1810] ? 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) [ 80.504660][ T1810] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 80.504662][ T1810] ? vprintk_emit (kernel/printk/printk.c:2478) [ 80.504664][ T1810] vprintk_emit (kernel/printk/printk.c:2479) [ 80.504667][ T1810] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 80.504670][ T1810] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 80.504675][ T1810] _printk (kernel/printk/printk.c:2504) [ 80.504678][ T1810] ? snapshot_read.cold (user.c:?) [ 80.504680][ T1810] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 80.504682][ T1810] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 80.504685][ T1810] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 80.504687][ T1810] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 80.504691][ T1810] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 80.504694][ T1810] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 80.504696][ T1810] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 80.504698][ T1810] ? netdev_notice (net/core/dev.c:13194) [ 80.504701][ T1810] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 80.504704][ T1810] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 80.504707][ T1810] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 80.504710][ T1810] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 80.504712][ T1810] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 80.504714][ T1810] ? register_netdev (net/core/dev.c:11618) [ 80.504715][ T1810] ? 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)) [ 80.504721][ T1810] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 80.504723][ T1810] ? __kernel_text_address (kernel/extable.c:79) [ 80.504726][ T1810] ? write_profile (profile.c:?) [ 80.504729][ T1810] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 80.504735][ T1810] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 80.504739][ T1810] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 80.504741][ T1810] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 80.504742][ T1810] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 80.504744][ T1810] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 80.504747][ T1810] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 80.504749][ T1810] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 80.504750][ T1810] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 80.504753][ T1810] ? kasan_save_stack (mm/kasan/common.c:58) [ 80.504755][ T1810] ? kasan_save_stack (mm/kasan/common.c:57) [ 80.504756][ T1810] ? kasan_save_track (mm/kasan/common.c:78) [ 80.504757][ T1810] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 80.504759][ T1810] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 80.504761][ T1810] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 80.504764][ T1810] ? ___sys_sendmsg (net/socket.c:2758) [ 80.504768][ T1810] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 80.504770][ T1810] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 80.504772][ T1810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.504774][ T1810] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.504776][ T1810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.504777][ T1810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.504778][ T1810] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 80.504781][ T1810] ? __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) [ 80.504782][ T1810] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 80.504784][ T1810] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 80.504787][ T1810] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 80.504788][ T1810] ? nla_get_range_signed (lib/nlattr.c:270) [ 80.504793][ T1810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.504795][ T1810] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 80.504800][ T1810] rtnl_newlink (net/core/rtnetlink.c:4215) [ 80.504805][ T1810] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 80.504807][ T1810] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 80.504811][ T1810] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 80.504813][ T1810] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 80.504815][ T1810] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 80.504817][ T1810] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 80.504821][ T1810] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 80.504823][ T1810] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 80.504826][ T1810] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 80.504827][ T1810] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 80.504831][ T1810] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 80.504833][ T1810] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 80.504836][ T1810] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 80.504840][ T1810] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 80.504843][ T1810] ? netlink_ack (./include/linux/skbuff.h:2718) [ 80.504849][ T1810] ? 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)) [ 80.504851][ T1810] ? 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)) [ 80.504855][ T1810] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 80.504859][ T1810] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 80.504862][ T1810] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 80.504866][ T1810] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 80.504870][ T1810] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 80.504873][ T1810] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 80.504875][ T1810] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 80.504880][ T1810] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 80.504883][ T1810] ____sys_sendmsg (net/socket.c:2713) [ 80.504885][ T1810] ? copy_msghdr_from_user (net/socket.c:2650) [ 80.504887][ T1810] ? sock_write_iter (net/socket.c:1269) [ 80.504889][ T1810] ? move_addr_to_kernel (net/socket.c:258) [ 80.504896][ T1810] ___sys_sendmsg (net/socket.c:2767) [ 80.504898][ T1810] ? copy_msghdr_from_user (net/socket.c:2619) [ 80.504914][ T1810] __sys_sendmsg (net/socket.c:2799) [ 80.504917][ T1810] ? __sys_sendmsg_sock (net/socket.c:2780) [ 80.504923][ T1810] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.504926][ T1810] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 80.504929][ T1810] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 80.504931][ T1810] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 80.504934][ T1810] RIP: 0033:0x7f55e273354e [ 80.504941][ T1810] 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 [ 80.504942][ T1810] RSP: 002b:00007fffa18a1490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 80.504945][ T1810] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f55e273354e [ 80.504946][ T1810] RDX: 0000000000000000 RSI: 00007fffa18a1540 RDI: 0000000000000005 [ 80.504947][ T1810] RBP: 00007fffa18a14a0 R08: 0000000000000000 R09: 0000000000000000 [ 80.504948][ T1810] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9118ac [ 80.504949][ T1810] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa18a1c10 | [ 84.557067][ T71] softirqs last disabled at (1625618): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 84.557070][ T71] Preemption disabled at: | [ 84.557070][ T71] vprintk_emit (kernel/printk/printk.c:2471) | [ 84.557078][ T71] Tainted: [W]=WARN [ 84.557079][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 84.557081][ T71] Workqueue: netns cleanup_net [ 84.557084][ T71] Call Trace: [ 84.557085][ T71] [ 84.557087][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 84.557093][ T71] ? vprintk_emit (kernel/printk/printk.c:2471) [ 84.557095][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 84.557099][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 84.557103][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 84.557108][ T71] __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)) [ 84.557110][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.557117][ T71] ? 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) [ 84.557119][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.557123][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 84.557126][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 84.557127][ T71] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 84.557131][ T71] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 84.557133][ T71] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 84.557138][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 84.557142][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.557148][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 84.557151][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.557155][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 84.557159][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 84.557161][ T71] ? 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)) [ 84.557165][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.557166][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.557170][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 84.557174][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 84.557176][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.557182][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 84.557184][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 84.557186][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.557188][ T71] ? 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) [ 84.557192][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 84.557193][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 84.557196][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 84.557199][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 84.557201][ T71] ? cleanup_net (net/core/net_namespace.c:706) [ 84.557202][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 84.557204][ T71] ? kthread (kernel/kthread.c:436) [ 84.557206][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 84.557209][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 84.557214][ T71] _printk (kernel/printk/printk.c:2504) [ 84.557218][ T71] ? snapshot_read.cold (user.c:?) [ 84.557222][ T71] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 84.557226][ T71] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 84.557230][ T71] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 84.557233][ T71] ? netdev_notice (net/core/dev.c:13194) [ 84.557237][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.557239][ T71] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 84.557241][ T71] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 84.557243][ T71] ? 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) [ 84.557246][ T71] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 84.557250][ T71] dev_set_allmulti (net/core/dev_api.c:315) [ 84.557253][ T71] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 84.557257][ T71] ? unregister_netdevice_many (net/core/dev.c:12589) [ 84.557258][ T71] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 84.557264][ T71] br_dev_delete (net/bridge/br_if.c:387) [ 84.557267][ T71] br_net_exit_rtnl (net/bridge/br.c:414) [ 84.557271][ T71] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 84.557274][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 84.557278][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 84.557279][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 84.557283][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 84.557287][ T71] cleanup_net (net/core/net_namespace.c:706) [ 84.557291][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 84.557294][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.557296][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.557300][ T71] process_one_work (kernel/workqueue.c:3387) [ 84.557306][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 84.557309][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 84.557317][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 84.557321][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 84.557323][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 84.557326][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 84.557328][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 84.557330][ T71] kthread (kernel/kthread.c:436) [ 84.557332][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 84.557336][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 84.557339][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 84.557341][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 84.557345][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 84.557348][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 84.557351][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 86.526707][ T1957] softirqs last disabled at (26876): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 86.526710][ T1957] Preemption disabled at: | [ 86.526710][ T1957] vprintk_emit (kernel/printk/printk.c:2471) | [ 86.526719][ T1957] Tainted: [W]=WARN [ 86.526720][ T1957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 86.526721][ T1957] Call Trace: [ 86.526723][ T1957] [ 86.526724][ T1957] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 86.526730][ T1957] ? vprintk_emit (kernel/printk/printk.c:2471) [ 86.526731][ T1957] __might_resched.cold (kernel/sched/core.c:9234) [ 86.526736][ T1957] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 86.526740][ T1957] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 86.526744][ T1957] __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)) [ 86.526746][ T1957] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.526752][ T1957] ? 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) [ 86.526755][ T1957] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.526759][ T1957] put_chars (drivers/char/virtio_console.c:1176) [ 86.526761][ T1957] ? __send_to_port (drivers/char/virtio_console.c:654) [ 86.526767][ T1957] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 86.526775][ T1957] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 86.526778][ T1957] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.526782][ T1957] console_emit_next_record (kernel/printk/printk.c:3183) [ 86.526786][ T1957] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 86.526788][ T1957] ? 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)) [ 86.526791][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.526794][ T1957] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.526798][ T1957] console_flush_one_record (kernel/printk/printk.c:3268) [ 86.526802][ T1957] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 86.526803][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 86.526809][ T1957] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 86.526811][ T1957] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 86.526813][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.526815][ T1957] ? 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) [ 86.526818][ T1957] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 86.526820][ T1957] ? vprintk_emit (kernel/printk/printk.c:2478) [ 86.526823][ T1957] vprintk_emit (kernel/printk/printk.c:2479) [ 86.526826][ T1957] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 86.526828][ T1957] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 86.526833][ T1957] _printk (kernel/printk/printk.c:2504) [ 86.526837][ T1957] ? snapshot_read.cold (user.c:?) [ 86.526839][ T1957] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 86.526841][ T1957] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 86.526844][ T1957] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 86.526846][ T1957] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 86.526850][ T1957] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 86.526852][ T1957] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 86.526854][ T1957] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 86.526857][ T1957] ? netdev_notice (net/core/dev.c:13194) [ 86.526860][ T1957] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 86.526863][ T1957] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 86.526865][ T1957] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 86.526869][ T1957] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 86.526871][ T1957] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 86.526873][ T1957] ? register_netdev (net/core/dev.c:11618) [ 86.526874][ T1957] ? 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)) [ 86.526879][ T1957] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 86.526882][ T1957] ? __kernel_text_address (kernel/extable.c:79) [ 86.526884][ T1957] ? write_profile (profile.c:?) [ 86.526888][ T1957] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 86.526894][ T1957] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 86.526897][ T1957] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 86.526899][ T1957] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 86.526901][ T1957] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 86.526902][ T1957] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 86.526906][ T1957] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 86.526907][ T1957] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 86.526909][ T1957] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 86.526912][ T1957] ? kasan_save_stack (mm/kasan/common.c:58) [ 86.526913][ T1957] ? kasan_save_stack (mm/kasan/common.c:57) [ 86.526915][ T1957] ? kasan_save_track (mm/kasan/common.c:78) [ 86.526916][ T1957] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 86.526918][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 86.526920][ T1957] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 86.526923][ T1957] ? ___sys_sendmsg (net/socket.c:2758) [ 86.526927][ T1957] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 86.526929][ T1957] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 86.526932][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.526933][ T1957] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.526935][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.526936][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.526938][ T1957] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 86.526943][ T1957] ? __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) [ 86.526944][ T1957] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 86.526946][ T1957] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 86.526949][ T1957] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 86.526950][ T1957] ? nla_get_range_signed (lib/nlattr.c:270) [ 86.526955][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.526957][ T1957] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 86.526962][ T1957] rtnl_newlink (net/core/rtnetlink.c:4215) [ 86.526967][ T1957] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 86.526969][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 86.526974][ T1957] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 86.526976][ T1957] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 86.526977][ T1957] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 86.526979][ T1957] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 86.526983][ T1957] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 86.526985][ T1957] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 86.526988][ T1957] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 86.526989][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 86.526993][ T1957] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 86.526995][ T1957] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 86.526999][ T1957] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 86.527002][ T1957] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 86.527004][ T1957] ? netlink_ack (./include/linux/skbuff.h:2718) [ 86.527011][ T1957] ? 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)) [ 86.527013][ T1957] ? 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)) [ 86.527017][ T1957] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 86.527021][ T1957] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 86.527023][ T1957] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 86.527027][ T1957] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 86.527031][ T1957] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 86.527035][ T1957] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 86.527037][ T1957] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 86.527042][ T1957] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 86.527044][ T1957] ____sys_sendmsg (net/socket.c:2713) [ 86.527047][ T1957] ? copy_msghdr_from_user (net/socket.c:2650) [ 86.527049][ T1957] ? sock_write_iter (net/socket.c:1269) [ 86.527050][ T1957] ? move_addr_to_kernel (net/socket.c:258) [ 86.527057][ T1957] ___sys_sendmsg (net/socket.c:2767) [ 86.527060][ T1957] ? copy_msghdr_from_user (net/socket.c:2619) [ 86.527076][ T1957] __sys_sendmsg (net/socket.c:2799) [ 86.527078][ T1957] ? __sys_sendmsg_sock (net/socket.c:2780) [ 86.527084][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.527087][ T1957] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 86.527090][ T1957] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 86.527093][ T1957] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 86.527095][ T1957] RIP: 0033:0x7fc1d610754e [ 86.527099][ T1957] 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 [ 86.527101][ T1957] RSP: 002b:00007ffc03941330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 86.527103][ T1957] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc1d610754e [ 86.527104][ T1957] RDX: 0000000000000000 RSI: 00007ffc039413e0 RDI: 0000000000000005 [ 86.527105][ T1957] RBP: 00007ffc03941340 R08: 0000000000000000 R09: 0000000000000000 [ 86.527106][ T1957] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9118b2 [ 86.527107][ T1957] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc03941ab0 | [ 89.814216][ T71] softirqs last disabled at (1800304): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 89.814219][ T71] Preemption disabled at: | [ 89.814219][ T71] vprintk_emit (kernel/printk/printk.c:2471) | [ 89.814227][ T71] Tainted: [W]=WARN [ 89.814228][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 89.814229][ T71] Workqueue: netns cleanup_net [ 89.814233][ T71] Call Trace: [ 89.814234][ T71] [ 89.814237][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 89.814242][ T71] ? vprintk_emit (kernel/printk/printk.c:2471) [ 89.814244][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 89.814248][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 89.814252][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 89.814257][ T71] __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)) [ 89.814259][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 89.814266][ T71] ? 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) [ 89.814269][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 89.814272][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 89.814275][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 89.814276][ T71] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 89.814280][ T71] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 89.814282][ T71] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 89.814287][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 89.814291][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 89.814296][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 89.814300][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.814304][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 89.814309][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 89.814310][ T71] ? 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)) [ 89.814314][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.814315][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.814319][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 89.814324][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 89.814326][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 89.814331][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 89.814334][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 89.814336][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.814337][ T71] ? 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) [ 89.814341][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 89.814343][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 89.814346][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 89.814349][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 89.814350][ T71] ? cleanup_net (net/core/net_namespace.c:706) [ 89.814352][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 89.814354][ T71] ? kthread (kernel/kthread.c:436) [ 89.814356][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 89.814359][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 89.814364][ T71] _printk (kernel/printk/printk.c:2504) [ 89.814368][ T71] ? snapshot_read.cold (user.c:?) [ 89.814372][ T71] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 89.814376][ T71] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 89.814380][ T71] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 89.814383][ T71] ? netdev_notice (net/core/dev.c:13194) [ 89.814387][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.814389][ T71] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 89.814391][ T71] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 89.814393][ T71] ? 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) [ 89.814396][ T71] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 89.814400][ T71] dev_set_allmulti (net/core/dev_api.c:315) [ 89.814404][ T71] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 89.814407][ T71] ? unregister_netdevice_many (net/core/dev.c:12589) [ 89.814409][ T71] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 89.814414][ T71] br_dev_delete (net/bridge/br_if.c:387) [ 89.814417][ T71] br_net_exit_rtnl (net/bridge/br.c:414) [ 89.814421][ T71] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 89.814424][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 89.814428][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 89.814429][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 89.814433][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 89.814437][ T71] cleanup_net (net/core/net_namespace.c:706) [ 89.814441][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 89.814444][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.814446][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.814450][ T71] process_one_work (kernel/workqueue.c:3387) [ 89.814456][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 89.814459][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 89.814467][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 89.814471][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 89.814473][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 89.814476][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 89.814479][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 89.814481][ T71] kthread (kernel/kthread.c:436) [ 89.814483][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 89.814486][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 89.814489][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 89.814492][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 89.814495][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 89.814498][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release: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 __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars