====================================== | [ 9.730283][ T205] softirqs last disabled at (19832): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.730285][ T205] Preemption disabled at: | [ 9.730286][ T205] 0x0 | [ 9.730296][ T205] Tainted: [W]=WARN [ 9.730297][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.730298][ T205] Call Trace: [ 9.730300][ T205] [ 9.730301][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.730308][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 9.730314][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.730318][ T205] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.730322][ T205] __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)) [ 9.730324][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.730330][ T205] ? 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) [ 9.730333][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.730337][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 9.730339][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.730340][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.730344][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.730349][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.730357][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.730359][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.730361][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.730365][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.730369][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.730371][ T205] ? 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)) [ 9.730374][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.730376][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.730380][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.730384][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.730385][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.730391][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.730393][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.730395][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.730397][ T205] ? 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) [ 9.730400][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.730402][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.730405][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 9.730408][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.730411][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.730414][ T205] _printk (kernel/printk/printk.c:2504) [ 9.730418][ T205] ? snapshot_read.cold (user.c:?) [ 9.730421][ T205] ? 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) [ 9.730423][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.730427][ T205] ? 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) [ 9.730430][ T205] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.730433][ T205] ? exit_notify (kernel/exit.c:780) [ 9.730435][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.730437][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.730441][ T205] do_group_exit (kernel/exit.c:1151) [ 9.730444][ T205] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.730445][ T205] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.730448][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.730451][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.730454][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.730456][ T205] RIP: 0033:0x7f2a7b4741b8 [ 9.730458][ T205] Code: Unable to access opcode bytes at 0x7f2a7b47418e. Code starting with the faulting instruction =========================================== [ 9.730459][ T205] RSP: 002b:00007fff63800bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.730462][ T205] RAX: ffffffffffffffda RBX: 00007f2a7b5a4f88 RCX: 00007f2a7b4741b8 [ 9.730463][ T205] RDX: 00007f2a7b1befc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.730464][ T205] RBP: 00007fff63800c20 R08: 0000000000000000 R09: 0000000000000050 [ 9.730465][ T205] R10: 00007fff638009e0 R11: 0000000000000246 R12: 0000000000000001 [ 9.730465][ T205] R13: 0000000000000000 R14: 00007f2a7b5a3680 R15: 00007f2a7b5a4fa0 | [ 11.252324][ T256] softirqs last disabled at (24925): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.252326][ T256] Preemption disabled at: | [ 11.252327][ T256] 0x0 | [ 11.252337][ T256] Tainted: [W]=WARN [ 11.252338][ T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.252340][ T256] Call Trace: [ 11.252342][ T256] [ 11.252343][ T256] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.252350][ T256] __might_resched.cold (kernel/sched/core.c:9234) [ 11.252354][ T256] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.252358][ T256] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.252362][ T256] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.252364][ T256] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.252371][ T256] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.252374][ T256] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.252378][ T256] put_chars (drivers/char/virtio_console.c:1176) [ 11.252380][ T256] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.252381][ T256] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.252385][ T256] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.252390][ T256] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.252398][ T256] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.252400][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.252402][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.252406][ T256] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.252410][ T256] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.252412][ T256] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.252415][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.252417][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.252421][ T256] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.252425][ T256] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.252427][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.252432][ T256] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.252435][ T256] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.252437][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.252439][ T256] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.252442][ T256] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.252444][ T256] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.252447][ T256] vprintk_emit (kernel/printk/printk.c:2479) [ 11.252450][ T256] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.252452][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.252456][ T256] _printk (kernel/printk/printk.c:2504) [ 11.252460][ T256] ? snapshot_read.cold (user.c:?) [ 11.252463][ T256] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.252465][ T256] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.252469][ T256] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.252472][ T256] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.252475][ T256] ? exit_notify (kernel/exit.c:780) [ 11.252477][ T256] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.252480][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.252483][ T256] do_group_exit (kernel/exit.c:1151) [ 11.252486][ T256] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.252488][ T256] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.252490][ T256] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.252494][ T256] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.252497][ T256] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.252499][ T256] RIP: 0033:0x7f183ac881b8 [ 11.252501][ T256] Code: Unable to access opcode bytes at 0x7f183ac8818e. Code starting with the faulting instruction =========================================== [ 11.252502][ T256] RSP: 002b:00007ffc5cbce108 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.252504][ T256] RAX: ffffffffffffffda RBX: 00007f183adb8f88 RCX: 00007f183ac881b8 [ 11.252506][ T256] RDX: 00007f183a9d2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.252507][ T256] RBP: 00007ffc5cbce160 R08: 0000000000000000 R09: 0000000000000050 [ 11.252508][ T256] R10: 00007ffc5cbcdf20 R11: 0000000000000246 R12: 0000000000000001 [ 11.252508][ T256] R13: 0000000000000000 R14: 00007f183adb7680 R15: 00007f183adb8fa0 | [ 15.261872][ T342] softirqs last disabled at (23760): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 15.261875][ T342] Preemption disabled at: | [ 15.261875][ T342] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.261884][ T342] Tainted: [W]=WARN [ 15.261885][ T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.261886][ T342] Call Trace: [ 15.261887][ T342] [ 15.261889][ T342] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.261895][ T342] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.261896][ T342] __might_resched.cold (kernel/sched/core.c:9234) [ 15.261901][ T342] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.261905][ 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) [ 15.261909][ 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)) [ 15.261911][ T342] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.261918][ 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) [ 15.261920][ T342] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.261924][ T342] put_chars (drivers/char/virtio_console.c:1176) [ 15.261926][ T342] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.261932][ T342] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.261940][ T342] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.261943][ T342] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.261947][ T342] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.261951][ T342] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.261953][ 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)) [ 15.261956][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.261959][ T342] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.261963][ T342] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.261967][ T342] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.261969][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.261974][ T342] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.261977][ T342] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.261979][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.261981][ 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) [ 15.261984][ T342] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.261986][ T342] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.261989][ T342] vprintk_emit (kernel/printk/printk.c:2479) [ 15.261992][ T342] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.261994][ T342] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 15.261999][ T342] _printk (kernel/printk/printk.c:2504) [ 15.262003][ T342] ? snapshot_read.cold (user.c:?) [ 15.262005][ T342] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.262007][ T342] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.262010][ T342] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.262012][ T342] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.262016][ T342] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.262019][ T342] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 15.262021][ T342] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 15.262024][ T342] ? netdev_notice (net/core/dev.c:13194) [ 15.262026][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.262030][ T342] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.262032][ T342] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.262036][ T342] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 15.262038][ T342] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 15.262040][ T342] ? register_netdev (net/core/dev.c:11618) [ 15.262041][ 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)) [ 15.262046][ T342] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 15.262049][ T342] ? __kernel_text_address (kernel/extable.c:79) [ 15.262051][ T342] ? write_profile (profile.c:?) [ 15.262055][ T342] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.262061][ T342] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 15.262065][ T342] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.262067][ T342] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.262068][ T342] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.262070][ T342] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.262073][ T342] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.262075][ T342] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.262077][ T342] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.262079][ T342] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.262081][ T342] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.262082][ T342] ? kasan_save_track (mm/kasan/common.c:78) [ 15.262083][ T342] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 15.262085][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.262087][ T342] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 15.262090][ T342] ? ___sys_sendmsg (net/socket.c:2758) [ 15.262094][ T342] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.262096][ T342] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.262099][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.262100][ T342] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.262102][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.262103][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.262105][ T342] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.262107][ 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) [ 15.262108][ T342] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.262110][ T342] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.262113][ T342] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.262115][ T342] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.262119][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.262122][ T342] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.262127][ T342] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.262132][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.262134][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.262139][ T342] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.262141][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.262143][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.262144][ T342] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.262148][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.262150][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.262153][ T342] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.262155][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.262159][ T342] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.262161][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.262165][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.262168][ T342] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.262171][ T342] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.262177][ 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)) [ 15.262179][ 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)) [ 15.262184][ T342] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.262188][ T342] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.262190][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.262194][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.262198][ T342] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.262202][ T342] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.262204][ T342] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 15.262209][ T342] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 15.262212][ T342] ____sys_sendmsg (net/socket.c:2713) [ 15.262214][ T342] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.262216][ T342] ? sock_write_iter (net/socket.c:1269) [ 15.262218][ T342] ? move_addr_to_kernel (net/socket.c:258) [ 15.262225][ T342] ___sys_sendmsg (net/socket.c:2767) [ 15.262228][ T342] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.262244][ T342] __sys_sendmsg (net/socket.c:2799) [ 15.262247][ T342] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.262253][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.262256][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.262259][ T342] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.262262][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.262264][ T342] RIP: 0033:0x7fb377a1754e [ 15.262267][ 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 [ 15.262269][ T342] RSP: 002b:00007ffd2064edc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.262272][ T342] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb377a1754e [ 15.262273][ T342] RDX: 0000000000000000 RSI: 00007ffd2064ee70 RDI: 0000000000000005 [ 15.262274][ T342] RBP: 00007ffd2064edd0 R08: 0000000000000000 R09: 0000000000000000 [ 15.262275][ T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914195 [ 15.262275][ T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2064f540 | [ 20.181826][ T456] softirqs last disabled at (28520): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 20.181829][ T456] Preemption disabled at: | [ 20.181829][ T456] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.181837][ T456] Tainted: [W]=WARN [ 20.181838][ T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.181840][ T456] Call Trace: [ 20.181841][ T456] [ 20.181843][ T456] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.181848][ T456] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.181850][ T456] __might_resched.cold (kernel/sched/core.c:9234) [ 20.181854][ T456] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.181858][ 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) [ 20.181863][ 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)) [ 20.181865][ T456] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.181871][ 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) [ 20.181874][ T456] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.181877][ T456] put_chars (drivers/char/virtio_console.c:1176) [ 20.181880][ T456] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.181886][ T456] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.181893][ T456] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.181896][ T456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.181901][ T456] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.181905][ T456] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.181907][ 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)) [ 20.181910][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.181912][ T456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.181916][ T456] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.181920][ T456] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.181922][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.181927][ T456] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.181930][ T456] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.181932][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.181934][ 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) [ 20.181937][ T456] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.181939][ T456] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.181941][ T456] vprintk_emit (kernel/printk/printk.c:2479) [ 20.181944][ T456] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.181947][ T456] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 20.181952][ T456] _printk (kernel/printk/printk.c:2504) [ 20.181955][ T456] ? snapshot_read.cold (user.c:?) [ 20.181957][ T456] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.181960][ T456] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.181962][ T456] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.181965][ T456] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.181968][ T456] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.181971][ T456] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.181973][ T456] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.181976][ T456] ? netdev_notice (net/core/dev.c:13194) [ 20.181979][ T456] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.181982][ T456] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.181984][ T456] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 20.181988][ T456] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.181990][ T456] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 20.181992][ T456] ? register_netdev (net/core/dev.c:11618) [ 20.181993][ 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)) [ 20.181998][ T456] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 20.182000][ T456] ? __kernel_text_address (kernel/extable.c:79) [ 20.182003][ T456] ? write_profile (profile.c:?) [ 20.182007][ T456] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 20.182012][ T456] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.182016][ T456] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 20.182018][ T456] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 20.182019][ T456] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 20.182021][ T456] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 20.182024][ T456] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.182026][ T456] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.182027][ T456] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.182030][ T456] ? kasan_save_stack (mm/kasan/common.c:58) [ 20.182032][ T456] ? kasan_save_stack (mm/kasan/common.c:57) [ 20.182033][ T456] ? kasan_save_track (mm/kasan/common.c:78) [ 20.182034][ T456] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 20.182036][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.182038][ T456] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 20.182041][ T456] ? ___sys_sendmsg (net/socket.c:2758) [ 20.182045][ T456] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.182047][ T456] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 20.182049][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.182051][ T456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.182052][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.182053][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.182055][ T456] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 20.182057][ 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) [ 20.182058][ T456] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 20.182060][ T456] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 20.182064][ T456] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 20.182065][ T456] ? nla_get_range_signed (lib/nlattr.c:270) [ 20.182069][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.182072][ T456] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 20.182077][ T456] rtnl_newlink (net/core/rtnetlink.c:4215) [ 20.182082][ T456] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.182084][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.182088][ T456] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.182090][ T456] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.182092][ T456] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.182093][ T456] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.182097][ T456] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.182099][ T456] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 20.182102][ T456] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.182103][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.182107][ T456] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.182109][ T456] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.182113][ T456] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 20.182116][ T456] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.182118][ T456] ? netlink_ack (./include/linux/skbuff.h:2718) [ 20.182125][ 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)) [ 20.182127][ 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)) [ 20.182131][ T456] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 20.182135][ T456] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.182137][ T456] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.182142][ T456] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 20.182145][ T456] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.182149][ T456] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.182151][ T456] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 20.182156][ T456] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 20.182159][ T456] ____sys_sendmsg (net/socket.c:2713) [ 20.182161][ T456] ? copy_msghdr_from_user (net/socket.c:2650) [ 20.182163][ T456] ? sock_write_iter (net/socket.c:1269) [ 20.182164][ T456] ? move_addr_to_kernel (net/socket.c:258) [ 20.182172][ T456] ___sys_sendmsg (net/socket.c:2767) [ 20.182174][ T456] ? copy_msghdr_from_user (net/socket.c:2619) [ 20.182190][ T456] __sys_sendmsg (net/socket.c:2799) [ 20.182192][ T456] ? __sys_sendmsg_sock (net/socket.c:2780) [ 20.182198][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.182201][ T456] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.182204][ T456] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.182207][ T456] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.182209][ T456] RIP: 0033:0x7f83687dd54e [ 20.182212][ 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 [ 20.182214][ T456] RSP: 002b:00007ffe1bf44cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.182217][ T456] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f83687dd54e [ 20.182218][ T456] RDX: 0000000000000000 RSI: 00007ffe1bf44da0 RDI: 0000000000000005 [ 20.182219][ T456] RBP: 00007ffe1bf44d00 R08: 0000000000000000 R09: 0000000000000000 [ 20.182220][ T456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91419a [ 20.182221][ T456] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1bf45470 | [ 24.271043][ T569] softirqs last disabled at (17628): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 24.271046][ T569] Preemption disabled at: | [ 24.271046][ T569] vprintk_emit (kernel/printk/printk.c:2471) | [ 24.271055][ T569] Tainted: [W]=WARN [ 24.271056][ T569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.271057][ T569] Call Trace: [ 24.271059][ T569] [ 24.271061][ T569] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.271066][ T569] ? vprintk_emit (kernel/printk/printk.c:2471) [ 24.271068][ T569] __might_resched.cold (kernel/sched/core.c:9234) [ 24.271072][ T569] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.271076][ 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) [ 24.271081][ 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)) [ 24.271083][ T569] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.271089][ 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) [ 24.271092][ T569] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.271096][ T569] put_chars (drivers/char/virtio_console.c:1176) [ 24.271098][ T569] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.271105][ T569] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.271112][ T569] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.271115][ T569] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.271120][ T569] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.271124][ T569] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.271126][ 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)) [ 24.271129][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.271131][ T569] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.271135][ T569] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.271140][ T569] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.271141][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.271147][ T569] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.271149][ T569] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.271151][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.271153][ 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) [ 24.271157][ T569] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.271158][ T569] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.271161][ T569] vprintk_emit (kernel/printk/printk.c:2479) [ 24.271164][ T569] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.271166][ T569] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 24.271172][ T569] _printk (kernel/printk/printk.c:2504) [ 24.271175][ T569] ? snapshot_read.cold (user.c:?) [ 24.271177][ T569] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.271179][ T569] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.271182][ T569] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.271184][ T569] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 24.271188][ T569] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 24.271190][ T569] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 24.271193][ T569] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 24.271195][ T569] ? netdev_notice (net/core/dev.c:13194) [ 24.271198][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.271201][ T569] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.271204][ T569] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 24.271207][ T569] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 24.271209][ T569] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 24.271211][ T569] ? register_netdev (net/core/dev.c:11618) [ 24.271213][ 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)) [ 24.271218][ T569] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 24.271220][ T569] ? __kernel_text_address (kernel/extable.c:79) [ 24.271223][ T569] ? write_profile (profile.c:?) [ 24.271227][ T569] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 24.271232][ T569] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 24.271236][ T569] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 24.271238][ T569] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 24.271239][ T569] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 24.271241][ T569] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 24.271244][ T569] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.271246][ T569] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.271248][ T569] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.271250][ T569] ? kasan_save_stack (mm/kasan/common.c:58) [ 24.271252][ T569] ? kasan_save_stack (mm/kasan/common.c:57) [ 24.271253][ T569] ? kasan_save_track (mm/kasan/common.c:78) [ 24.271254][ T569] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 24.271257][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.271258][ T569] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 24.271262][ T569] ? ___sys_sendmsg (net/socket.c:2758) [ 24.271265][ T569] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.271267][ T569] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 24.271270][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.271271][ T569] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.271273][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.271274][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.271276][ T569] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 24.271278][ 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) [ 24.271279][ T569] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 24.271281][ T569] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 24.271284][ T569] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 24.271286][ T569] ? nla_get_range_signed (lib/nlattr.c:270) [ 24.271290][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.271292][ T569] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 24.271298][ T569] rtnl_newlink (net/core/rtnetlink.c:4215) [ 24.271303][ T569] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.271305][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.271312][ T569] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.271314][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.271316][ T569] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.271317][ T569] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.271321][ T569] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.271323][ T569] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 24.271326][ T569] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.271328][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.271332][ T569] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.271334][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.271337][ T569] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 24.271341][ T569] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.271343][ T569] ? netlink_ack (./include/linux/skbuff.h:2718) [ 24.271350][ 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)) [ 24.271352][ 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)) [ 24.271356][ T569] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 24.271360][ T569] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.271362][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.271366][ T569] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 24.271370][ T569] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.271374][ T569] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.271375][ T569] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 24.271380][ T569] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 24.271383][ T569] ____sys_sendmsg (net/socket.c:2713) [ 24.271385][ T569] ? copy_msghdr_from_user (net/socket.c:2650) [ 24.271388][ T569] ? sock_write_iter (net/socket.c:1269) [ 24.271389][ T569] ? move_addr_to_kernel (net/socket.c:258) [ 24.271396][ T569] ___sys_sendmsg (net/socket.c:2767) [ 24.271399][ T569] ? copy_msghdr_from_user (net/socket.c:2619) [ 24.271414][ T569] __sys_sendmsg (net/socket.c:2799) [ 24.271417][ T569] ? __sys_sendmsg_sock (net/socket.c:2780) [ 24.271423][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.271426][ T569] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.271429][ T569] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.271432][ T569] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.271435][ T569] RIP: 0033:0x7f42dc25654e [ 24.271439][ 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 [ 24.271441][ T569] RSP: 002b:00007ffcf7c51dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.271443][ T569] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f42dc25654e [ 24.271445][ T569] RDX: 0000000000000000 RSI: 00007ffcf7c51e80 RDI: 0000000000000005 [ 24.271446][ T569] RBP: 00007ffcf7c51de0 R08: 0000000000000000 R09: 0000000000000000 [ 24.271446][ T569] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91419e [ 24.271447][ T569] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf7c52550 | [ 29.309804][ T681] softirqs last disabled at (25966): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 29.309806][ T681] Preemption disabled at: | [ 29.309807][ T681] vprintk_emit (kernel/printk/printk.c:2471) | [ 29.309816][ T681] Tainted: [W]=WARN [ 29.309817][ T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.309818][ T681] Call Trace: [ 29.309820][ T681] [ 29.309821][ T681] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.309827][ T681] ? vprintk_emit (kernel/printk/printk.c:2471) [ 29.309828][ T681] __might_resched.cold (kernel/sched/core.c:9234) [ 29.309833][ T681] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.309837][ 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) [ 29.309841][ 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)) [ 29.309843][ T681] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.309849][ 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) [ 29.309852][ T681] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.309856][ T681] put_chars (drivers/char/virtio_console.c:1176) [ 29.309858][ T681] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.309864][ T681] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.309872][ T681] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.309875][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.309879][ T681] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.309883][ T681] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.309885][ 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)) [ 29.309888][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.309891][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.309894][ T681] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.309898][ T681] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.309900][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.309905][ T681] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.309908][ T681] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.309910][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.309912][ 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) [ 29.309916][ T681] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.309917][ T681] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.309920][ T681] vprintk_emit (kernel/printk/printk.c:2479) [ 29.309923][ T681] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.309925][ T681] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 29.309930][ T681] _printk (kernel/printk/printk.c:2504) [ 29.309934][ T681] ? snapshot_read.cold (user.c:?) [ 29.309935][ T681] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.309938][ T681] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.309940][ T681] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.309943][ T681] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 29.309946][ T681] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 29.309949][ T681] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 29.309951][ T681] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 29.309954][ T681] ? netdev_notice (net/core/dev.c:13194) [ 29.309956][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.309959][ T681] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.309962][ T681] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 29.309965][ T681] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 29.309967][ T681] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 29.309969][ T681] ? register_netdev (net/core/dev.c:11618) [ 29.309971][ 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)) [ 29.309976][ T681] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 29.309978][ T681] ? __kernel_text_address (kernel/extable.c:79) [ 29.309980][ T681] ? write_profile (profile.c:?) [ 29.309984][ T681] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 29.309990][ T681] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 29.309993][ T681] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 29.309995][ T681] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 29.309996][ T681] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 29.309998][ T681] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 29.310001][ T681] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.310003][ T681] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.310005][ T681] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.310007][ T681] ? kasan_save_stack (mm/kasan/common.c:58) [ 29.310009][ T681] ? kasan_save_stack (mm/kasan/common.c:57) [ 29.310010][ T681] ? kasan_save_track (mm/kasan/common.c:78) [ 29.310011][ T681] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 29.310014][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.310015][ T681] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 29.310018][ T681] ? ___sys_sendmsg (net/socket.c:2758) [ 29.310022][ T681] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.310024][ T681] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 29.310027][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.310028][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.310030][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.310031][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.310032][ T681] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 29.310035][ 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) [ 29.310036][ T681] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 29.310038][ T681] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 29.310041][ T681] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 29.310042][ T681] ? nla_get_range_signed (lib/nlattr.c:270) [ 29.310047][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.310049][ T681] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 29.310054][ T681] rtnl_newlink (net/core/rtnetlink.c:4215) [ 29.310059][ T681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.310060][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.310065][ T681] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.310067][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.310069][ T681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.310070][ T681] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.310074][ T681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.310076][ T681] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 29.310079][ T681] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.310080][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.310085][ T681] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.310087][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.310090][ T681] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 29.310093][ T681] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.310096][ T681] ? netlink_ack (./include/linux/skbuff.h:2718) [ 29.310102][ 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)) [ 29.310104][ 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)) [ 29.310108][ T681] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 29.310112][ T681] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.310114][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.310119][ T681] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 29.310122][ T681] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.310126][ T681] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.310128][ T681] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 29.310133][ T681] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 29.310136][ T681] ____sys_sendmsg (net/socket.c:2713) [ 29.310138][ T681] ? copy_msghdr_from_user (net/socket.c:2650) [ 29.310140][ T681] ? sock_write_iter (net/socket.c:1269) [ 29.310142][ T681] ? move_addr_to_kernel (net/socket.c:258) [ 29.310149][ T681] ___sys_sendmsg (net/socket.c:2767) [ 29.310151][ T681] ? copy_msghdr_from_user (net/socket.c:2619) [ 29.310167][ T681] __sys_sendmsg (net/socket.c:2799) [ 29.310169][ T681] ? __sys_sendmsg_sock (net/socket.c:2780) [ 29.310175][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.310178][ T681] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.310181][ T681] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.310184][ T681] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.310186][ T681] RIP: 0033:0x7fe65c92554e [ 29.310190][ 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 [ 29.310192][ T681] RSP: 002b:00007ffd59c4ad20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.310194][ T681] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe65c92554e [ 29.310196][ T681] RDX: 0000000000000000 RSI: 00007ffd59c4add0 RDI: 0000000000000005 [ 29.310196][ T681] RBP: 00007ffd59c4ad30 R08: 0000000000000000 R09: 0000000000000000 [ 29.310197][ T681] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9141a3 [ 29.310198][ T681] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd59c4b4a0 | [ 35.214874][ T796] softirqs last disabled at (19276): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 35.214876][ T796] Preemption disabled at: | [ 35.214877][ T796] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.214885][ T796] Tainted: [W]=WARN [ 35.214886][ T796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.214888][ T796] Call Trace: [ 35.214890][ T796] [ 35.214891][ T796] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.214897][ T796] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.214898][ T796] __might_resched.cold (kernel/sched/core.c:9234) [ 35.214903][ T796] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.214907][ 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) [ 35.214911][ 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)) [ 35.214913][ T796] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.214919][ 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) [ 35.214922][ T796] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.214926][ T796] put_chars (drivers/char/virtio_console.c:1176) [ 35.214928][ T796] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.214934][ T796] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.214941][ T796] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.214944][ T796] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.214949][ T796] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.214953][ T796] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.214955][ 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)) [ 35.214958][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.214960][ T796] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.214964][ T796] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.214968][ T796] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.214970][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.214975][ T796] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.214978][ T796] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.214980][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.214981][ 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) [ 35.214985][ T796] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.214987][ T796] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.214989][ T796] vprintk_emit (kernel/printk/printk.c:2479) [ 35.214992][ T796] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.214995][ T796] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 35.215000][ T796] _printk (kernel/printk/printk.c:2504) [ 35.215003][ T796] ? snapshot_read.cold (user.c:?) [ 35.215005][ T796] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.215007][ T796] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.215010][ T796] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.215012][ T796] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.215016][ T796] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.215019][ T796] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 35.215021][ T796] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.215023][ T796] ? netdev_notice (net/core/dev.c:13194) [ 35.215026][ T796] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.215029][ T796] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.215031][ T796] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 35.215035][ T796] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 35.215037][ T796] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 35.215039][ T796] ? register_netdev (net/core/dev.c:11618) [ 35.215040][ 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)) [ 35.215045][ T796] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 35.215048][ T796] ? __kernel_text_address (kernel/extable.c:79) [ 35.215050][ T796] ? write_profile (profile.c:?) [ 35.215054][ T796] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 35.215060][ T796] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 35.215063][ T796] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 35.215065][ T796] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 35.215066][ T796] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 35.215068][ T796] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 35.215071][ T796] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.215073][ T796] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.215075][ T796] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.215077][ T796] ? kasan_save_stack (mm/kasan/common.c:58) [ 35.215079][ T796] ? kasan_save_stack (mm/kasan/common.c:57) [ 35.215080][ T796] ? kasan_save_track (mm/kasan/common.c:78) [ 35.215081][ T796] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 35.215083][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.215085][ T796] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 35.215088][ T796] ? ___sys_sendmsg (net/socket.c:2758) [ 35.215092][ T796] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.215094][ T796] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 35.215096][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.215098][ T796] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.215099][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.215101][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.215102][ T796] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 35.215104][ 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) [ 35.215105][ T796] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 35.215107][ T796] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 35.215111][ T796] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 35.215112][ T796] ? nla_get_range_signed (lib/nlattr.c:270) [ 35.215116][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.215118][ T796] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 35.215123][ T796] rtnl_newlink (net/core/rtnetlink.c:4215) [ 35.215128][ T796] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 35.215130][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.215135][ T796] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.215136][ T796] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.215138][ T796] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 35.215140][ T796] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.215144][ T796] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 35.215146][ T796] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 35.215149][ T796] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.215150][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.215154][ T796] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.215156][ T796] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.215160][ T796] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.215163][ T796] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.215165][ T796] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.215172][ 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)) [ 35.215174][ 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)) [ 35.215178][ T796] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.215182][ T796] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.215184][ T796] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.215188][ T796] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.215192][ T796] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.215196][ T796] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.215197][ T796] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 35.215203][ T796] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 35.215205][ T796] ____sys_sendmsg (net/socket.c:2713) [ 35.215208][ T796] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.215210][ T796] ? sock_write_iter (net/socket.c:1269) [ 35.215211][ T796] ? move_addr_to_kernel (net/socket.c:258) [ 35.215218][ T796] ___sys_sendmsg (net/socket.c:2767) [ 35.215221][ T796] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.215237][ T796] __sys_sendmsg (net/socket.c:2799) [ 35.215239][ T796] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.215245][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.215248][ T796] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.215251][ T796] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.215254][ T796] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.215256][ T796] RIP: 0033:0x7f37d38e754e [ 35.215260][ 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 [ 35.215262][ T796] RSP: 002b:00007ffea3a90490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.215264][ T796] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f37d38e754e [ 35.215265][ T796] RDX: 0000000000000000 RSI: 00007ffea3a90540 RDI: 0000000000000005 [ 35.215266][ T796] RBP: 00007ffea3a904a0 R08: 0000000000000000 R09: 0000000000000000 [ 35.215267][ T796] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9141a9 [ 35.215268][ T796] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea3a90c10 | [ 41.371345][ T920] softirqs last disabled at (31888): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 41.371347][ T920] Preemption disabled at: | [ 41.371348][ T920] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.371356][ T920] Tainted: [W]=WARN [ 41.371357][ T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.371359][ T920] Call Trace: [ 41.371360][ T920] [ 41.371362][ T920] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.371367][ T920] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.371369][ T920] __might_resched.cold (kernel/sched/core.c:9234) [ 41.371373][ T920] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.371377][ 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) [ 41.371382][ 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)) [ 41.371383][ T920] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.371390][ 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) [ 41.371393][ T920] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.371396][ T920] put_chars (drivers/char/virtio_console.c:1176) [ 41.371399][ T920] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.371405][ T920] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.371412][ T920] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.371415][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.371420][ T920] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.371424][ T920] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.371426][ 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)) [ 41.371429][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.371431][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.371435][ T920] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.371439][ T920] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.371441][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.371446][ T920] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.371449][ T920] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.371451][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.371453][ 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) [ 41.371456][ T920] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.371458][ T920] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.371461][ T920] vprintk_emit (kernel/printk/printk.c:2479) [ 41.371464][ T920] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.371467][ T920] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 41.371472][ T920] _printk (kernel/printk/printk.c:2504) [ 41.371476][ T920] ? snapshot_read.cold (user.c:?) [ 41.371477][ T920] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.371480][ T920] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.371483][ T920] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.371485][ T920] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.371489][ T920] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.371491][ T920] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 41.371493][ T920] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.371496][ T920] ? netdev_notice (net/core/dev.c:13194) [ 41.371499][ T920] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.371502][ T920] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.371504][ T920] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 41.371508][ T920] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 41.371510][ T920] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 41.371512][ T920] ? register_netdev (net/core/dev.c:11618) [ 41.371513][ 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)) [ 41.371518][ T920] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 41.371521][ T920] ? __kernel_text_address (kernel/extable.c:79) [ 41.371523][ T920] ? write_profile (profile.c:?) [ 41.371527][ T920] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 41.371533][ T920] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 41.371536][ T920] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 41.371538][ T920] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 41.371540][ T920] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 41.371541][ T920] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 41.371545][ T920] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.371547][ T920] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.371548][ T920] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.371551][ T920] ? kasan_save_stack (mm/kasan/common.c:58) [ 41.371553][ T920] ? kasan_save_stack (mm/kasan/common.c:57) [ 41.371554][ T920] ? kasan_save_track (mm/kasan/common.c:78) [ 41.371555][ T920] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 41.371557][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.371559][ T920] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 41.371562][ T920] ? ___sys_sendmsg (net/socket.c:2758) [ 41.371566][ T920] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.371568][ T920] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 41.371570][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.371572][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.371574][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.371575][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.371576][ T920] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 41.371579][ 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) [ 41.371580][ T920] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 41.371581][ T920] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 41.371585][ T920] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 41.371586][ T920] ? nla_get_range_signed (lib/nlattr.c:270) [ 41.371591][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.371593][ T920] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 41.371598][ T920] rtnl_newlink (net/core/rtnetlink.c:4215) [ 41.371603][ T920] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.371605][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.371610][ T920] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.371612][ T920] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.371613][ T920] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.371615][ T920] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.371619][ T920] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.371621][ T920] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.371624][ T920] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.371625][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.371630][ T920] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.371632][ T920] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.371635][ T920] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.371638][ T920] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.371641][ T920] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.371647][ 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)) [ 41.371649][ 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)) [ 41.371653][ T920] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.371657][ T920] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.371660][ T920] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.371664][ T920] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.371668][ T920] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.371672][ T920] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.371673][ T920] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 41.371678][ T920] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 41.371681][ T920] ____sys_sendmsg (net/socket.c:2713) [ 41.371683][ T920] ? copy_msghdr_from_user (net/socket.c:2650) [ 41.371685][ T920] ? sock_write_iter (net/socket.c:1269) [ 41.371687][ T920] ? move_addr_to_kernel (net/socket.c:258) [ 41.371694][ T920] ___sys_sendmsg (net/socket.c:2767) [ 41.371697][ T920] ? copy_msghdr_from_user (net/socket.c:2619) [ 41.371712][ T920] __sys_sendmsg (net/socket.c:2799) [ 41.371715][ T920] ? __sys_sendmsg_sock (net/socket.c:2780) [ 41.371721][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.371724][ T920] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.371727][ T920] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.371730][ T920] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.371732][ T920] RIP: 0033:0x7f929927154e [ 41.371736][ 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 [ 41.371737][ T920] RSP: 002b:00007ffdd1fd50e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 41.371740][ T920] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f929927154e [ 41.371741][ T920] RDX: 0000000000000000 RSI: 00007ffdd1fd5190 RDI: 0000000000000005 [ 41.371742][ T920] RBP: 00007ffdd1fd50f0 R08: 0000000000000000 R09: 0000000000000000 [ 41.371743][ T920] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9141af [ 41.371744][ T920] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd1fd5860 | [ 42.796011][ T37] softirqs last disabled at (92926): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 42.796013][ T37] Preemption disabled at: | [ 42.796014][ T37] 0x0 | [ 42.796023][ T37] Tainted: [W]=WARN [ 42.796024][ T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.796026][ T37] Workqueue: events_unbound linkwatch_event [ 42.796029][ T37] Call Trace: [ 42.796031][ T37] [ 42.796032][ T37] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.796039][ T37] __might_resched.cold (kernel/sched/core.c:9234) [ 42.796043][ T37] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.796047][ T37] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 42.796052][ T37] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 42.796054][ T37] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.796060][ T37] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 42.796063][ T37] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.796067][ T37] put_chars (drivers/char/virtio_console.c:1176) [ 42.796069][ T37] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.796072][ T37] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.796075][ T37] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.796078][ T37] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.796082][ T37] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.796086][ T37] ? mark_usage (kernel/locking/lockdep.c:4690) [ 42.796088][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.796089][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.796094][ T37] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.796095][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.796100][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.796104][ T37] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.796108][ T37] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.796110][ T37] ? 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)) [ 42.796113][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.796115][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.796119][ T37] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.796123][ T37] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.796125][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.796130][ T37] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.796133][ T37] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.796135][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.796137][ T37] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 42.796140][ T37] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.796142][ T37] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.796145][ T37] vprintk_emit (kernel/printk/printk.c:2479) [ 42.796148][ T37] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.796150][ T37] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.796152][ T37] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.796156][ T37] _printk (kernel/printk/printk.c:2504) [ 42.796159][ T37] ? snapshot_read.cold (user.c:?) [ 42.796165][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.796169][ T37] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 42.796173][ T37] br_init_port (net/bridge/br_stp_if.c:39) [ 42.796175][ T37] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 42.796177][ T37] br_port_carrier_check (net/bridge/br_if.c:90) [ 42.796181][ T37] br_device_event (net/bridge/br.c:101) [ 42.796185][ T37] ? packet_sendmsg_spkt (af_packet.c:?) [ 42.796186][ T37] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 42.796193][ T37] notifier_call_chain (kernel/notifier.c:85) [ 42.796199][ T37] netif_state_change (net/core/dev.c:1625) [ 42.796204][ T37] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.796208][ T37] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 42.796210][ T37] __linkwatch_run_queue (net/core/link_watch.c:240) [ 42.796213][ T37] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.796216][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.796220][ T37] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 42.796222][ T37] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 42.796226][ T37] process_one_work (kernel/workqueue.c:3387) [ 42.796233][ T37] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 42.796236][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.796243][ T37] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 42.796250][ T37] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.796252][ T37] kthread (kernel/kthread.c:436) [ 42.796255][ T37] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 42.796258][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.796261][ T37] ret_from_fork (arch/x86/kernel/process.c:158) [ 42.796265][ T37] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 42.796268][ T37] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 42.796272][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.796275][ T37] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 44.452032][ T12] softirqs last disabled at (684876): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 44.452035][ T12] Preemption disabled at: | [ 44.452035][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 44.452044][ T12] Tainted: [W]=WARN [ 44.452045][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.452046][ T12] Workqueue: netns cleanup_net [ 44.452050][ T12] Call Trace: [ 44.452051][ T12] [ 44.452053][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.452059][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 44.452060][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 44.452064][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.452068][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.452073][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 44.452075][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.452082][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 44.452084][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.452088][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 44.452091][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.452094][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 44.452099][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.452102][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.452108][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.452111][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.452116][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.452120][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.452122][ T12] ? 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)) [ 44.452126][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.452128][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.452132][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.452136][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.452138][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.452143][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.452146][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.452148][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.452150][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 44.452153][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.452155][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.452158][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 44.452161][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.452163][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 44.452164][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.452166][ T12] ? kthread (kernel/kthread.c:436) [ 44.452168][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 44.452171][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 44.452176][ T12] _printk (kernel/printk/printk.c:2504) [ 44.452180][ T12] ? snapshot_read.cold (user.c:?) [ 44.452185][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.452189][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.452193][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.452196][ T12] ? netdev_notice (net/core/dev.c:13194) [ 44.452200][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.452202][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 44.452205][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 44.452207][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 44.452209][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 44.452213][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 44.452217][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 44.452220][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 44.452222][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 44.452227][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 44.452230][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 44.452234][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 44.452238][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 44.452241][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 44.452243][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.452246][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 44.452251][ T12] cleanup_net (net/core/net_namespace.c:706) [ 44.452254][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 44.452258][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.452260][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.452263][ T12] process_one_work (kernel/workqueue.c:3387) [ 44.452270][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.452273][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.452281][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.452288][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.452290][ T12] kthread (kernel/kthread.c:436) [ 44.452292][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.452295][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.452298][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.452301][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.452304][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.452308][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.452313][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.316834][ T1069] softirqs last disabled at (18934): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 46.316836][ T1069] Preemption disabled at: | [ 46.316837][ T1069] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.316845][ T1069] Tainted: [W]=WARN [ 46.316846][ T1069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.316848][ T1069] Call Trace: [ 46.316850][ T1069] [ 46.316852][ T1069] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.316857][ T1069] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.316859][ T1069] __might_resched.cold (kernel/sched/core.c:9234) [ 46.316863][ T1069] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.316868][ T1069] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.316876][ T1069] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 46.316878][ T1069] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.316884][ T1069] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 46.316887][ T1069] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.316890][ T1069] put_chars (drivers/char/virtio_console.c:1176) [ 46.316893][ T1069] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.316899][ T1069] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.316906][ T1069] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.316909][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.316913][ T1069] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.316917][ T1069] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.316919][ T1069] ? 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)) [ 46.316922][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.316925][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.316929][ T1069] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.316933][ T1069] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.316935][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.316940][ T1069] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.316943][ T1069] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.316945][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.316946][ T1069] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 46.316950][ T1069] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.316952][ T1069] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.316954][ T1069] vprintk_emit (kernel/printk/printk.c:2479) [ 46.316957][ T1069] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.316960][ T1069] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 46.316965][ T1069] _printk (kernel/printk/printk.c:2504) [ 46.316968][ T1069] ? snapshot_read.cold (user.c:?) [ 46.316970][ T1069] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.316972][ T1069] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.316975][ T1069] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.316977][ T1069] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.316981][ T1069] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.316983][ T1069] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 46.316986][ T1069] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.316988][ T1069] ? netdev_notice (net/core/dev.c:13194) [ 46.316991][ T1069] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.316994][ T1069] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.316997][ T1069] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 46.317000][ T1069] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 46.317002][ T1069] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 46.317005][ T1069] ? register_netdev (net/core/dev.c:11618) [ 46.317006][ T1069] ? 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)) [ 46.317011][ T1069] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 46.317013][ T1069] ? __kernel_text_address (kernel/extable.c:79) [ 46.317016][ T1069] ? write_profile (profile.c:?) [ 46.317020][ T1069] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 46.317025][ T1069] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 46.317028][ T1069] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 46.317030][ T1069] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 46.317032][ T1069] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 46.317034][ T1069] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 46.317037][ T1069] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.317039][ T1069] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.317040][ T1069] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.317043][ T1069] ? kasan_save_stack (mm/kasan/common.c:58) [ 46.317044][ T1069] ? kasan_save_stack (mm/kasan/common.c:57) [ 46.317046][ T1069] ? kasan_save_track (mm/kasan/common.c:78) [ 46.317047][ T1069] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 46.317049][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.317051][ T1069] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 46.317054][ T1069] ? ___sys_sendmsg (net/socket.c:2758) [ 46.317058][ T1069] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.317060][ T1069] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.317062][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.317064][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.317065][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.317067][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.317068][ T1069] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 46.317070][ T1069] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 46.317071][ T1069] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 46.317073][ T1069] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.317077][ T1069] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 46.317078][ T1069] ? nla_get_range_signed (lib/nlattr.c:270) [ 46.317083][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.317085][ T1069] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 46.317090][ T1069] rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.317095][ T1069] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.317097][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.317101][ T1069] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.317103][ T1069] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.317105][ T1069] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.317107][ T1069] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.317111][ T1069] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.317113][ T1069] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.317116][ T1069] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.317117][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.317121][ T1069] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.317123][ T1069] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.317127][ T1069] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.317130][ T1069] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.317132][ T1069] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.317139][ T1069] ? 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)) [ 46.317141][ T1069] ? 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)) [ 46.317145][ T1069] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.317149][ T1069] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.317152][ T1069] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.317156][ T1069] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.317159][ T1069] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.317163][ T1069] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.317165][ T1069] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 46.317170][ T1069] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 46.317173][ T1069] ____sys_sendmsg (net/socket.c:2713) [ 46.317175][ T1069] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.317177][ T1069] ? sock_write_iter (net/socket.c:1269) [ 46.317179][ T1069] ? move_addr_to_kernel (net/socket.c:258) [ 46.317186][ T1069] ___sys_sendmsg (net/socket.c:2767) [ 46.317189][ T1069] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.317204][ T1069] __sys_sendmsg (net/socket.c:2799) [ 46.317207][ T1069] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.317213][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.317216][ T1069] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.317219][ T1069] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.317222][ T1069] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.317224][ T1069] RIP: 0033:0x7fe7cd25354e [ 46.317227][ T1069] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 46.317229][ T1069] RSP: 002b:00007ffd0f7454f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.317232][ T1069] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe7cd25354e [ 46.317233][ T1069] RDX: 0000000000000000 RSI: 00007ffd0f7455a0 RDI: 0000000000000005 [ 46.317234][ T1069] RBP: 00007ffd0f745500 R08: 0000000000000000 R09: 0000000000000000 [ 46.317235][ T1069] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9141b4 [ 46.317235][ T1069] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0f745c70 | [ 47.540916][ T37] softirqs last disabled at (118852): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 47.540918][ T37] Preemption disabled at: | [ 47.540919][ T37] 0x0 | [ 47.540928][ T37] Tainted: [W]=WARN [ 47.540930][ T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.540931][ T37] Workqueue: events_unbound linkwatch_event [ 47.540934][ T37] Call Trace: [ 47.540936][ T37] [ 47.540938][ T37] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.540945][ T37] __might_resched.cold (kernel/sched/core.c:9234) [ 47.540949][ T37] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 47.540953][ T37] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 47.540958][ T37] __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)) [ 47.540959][ T37] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.540966][ T37] ? 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) [ 47.540969][ T37] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.540972][ T37] put_chars (drivers/char/virtio_console.c:1176) [ 47.540975][ T37] ? __send_to_port (drivers/char/virtio_console.c:654) [ 47.540977][ T37] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.540980][ T37] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.540983][ T37] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.540987][ T37] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 47.540991][ T37] ? mark_usage (kernel/locking/lockdep.c:4690) [ 47.540993][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.540995][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.540999][ T37] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 47.541001][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.541005][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.541009][ T37] console_emit_next_record (kernel/printk/printk.c:3183) [ 47.541013][ T37] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 47.541015][ T37] ? 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)) [ 47.541018][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.541020][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.541024][ T37] console_flush_one_record (kernel/printk/printk.c:3268) [ 47.541028][ T37] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 47.541030][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.541036][ T37] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 47.541038][ T37] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 47.541040][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.541042][ T37] ? 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) [ 47.541046][ T37] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 47.541047][ T37] ? vprintk_emit (kernel/printk/printk.c:2478) [ 47.541050][ T37] vprintk_emit (kernel/printk/printk.c:2479) [ 47.541053][ T37] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 47.541055][ T37] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.541057][ T37] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.541061][ T37] _printk (kernel/printk/printk.c:2504) [ 47.541065][ T37] ? snapshot_read.cold (user.c:?) [ 47.541070][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.541073][ T37] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 47.541078][ T37] br_init_port (net/bridge/br_stp_if.c:39) [ 47.541080][ T37] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 47.541082][ T37] br_port_carrier_check (net/bridge/br_if.c:90) [ 47.541086][ T37] br_device_event (net/bridge/br.c:101) [ 47.541089][ T37] ? packet_sendmsg_spkt (af_packet.c:?) [ 47.541091][ T37] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 47.541098][ T37] notifier_call_chain (kernel/notifier.c:85) [ 47.541103][ T37] netif_state_change (net/core/dev.c:1625) [ 47.541108][ T37] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 47.541113][ T37] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 47.541115][ T37] __linkwatch_run_queue (net/core/link_watch.c:240) [ 47.541118][ T37] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 47.541120][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.541125][ T37] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 47.541127][ T37] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 47.541130][ T37] process_one_work (kernel/workqueue.c:3387) [ 47.541137][ T37] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 47.541140][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.541147][ T37] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 47.541154][ T37] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.541156][ T37] kthread (kernel/kthread.c:436) [ 47.541158][ T37] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 47.541161][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.541164][ T37] ret_from_fork (arch/x86/kernel/process.c:158) [ 47.541168][ T37] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 47.541172][ T37] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 47.541175][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.541178][ T37] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 50.342502][ T12] softirqs last disabled at (890668): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 50.342505][ T12] Preemption disabled at: | [ 50.342505][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 50.342514][ T12] Tainted: [W]=WARN [ 50.342515][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.342517][ T12] Workqueue: netns cleanup_net [ 50.342520][ T12] Call Trace: [ 50.342522][ T12] [ 50.342524][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 50.342530][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 50.342531][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 50.342536][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 50.342540][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 50.342544][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 50.342546][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.342553][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 50.342555][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.342559][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 50.342562][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 50.342563][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.342566][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 50.342569][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.342574][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 50.342578][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.342584][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 50.342587][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.342592][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 50.342596][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 50.342598][ T12] ? 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)) [ 50.342601][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.342603][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.342607][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 50.342611][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 50.342613][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.342618][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 50.342621][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 50.342623][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.342625][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 50.342628][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 50.342630][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 50.342633][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 50.342636][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 50.342637][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 50.342639][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 50.342641][ T12] ? kthread (kernel/kthread.c:436) [ 50.342643][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 50.342646][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 50.342651][ T12] _printk (kernel/printk/printk.c:2504) [ 50.342655][ T12] ? snapshot_read.cold (user.c:?) [ 50.342659][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 50.342663][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 50.342667][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 50.342670][ T12] ? netdev_notice (net/core/dev.c:13194) [ 50.342674][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.342676][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 50.342678][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 50.342680][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 50.342683][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 50.342687][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 50.342691][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 50.342694][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 50.342696][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 50.342701][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 50.342704][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 50.342708][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 50.342711][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 50.342715][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 50.342717][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.342720][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 50.342725][ T12] cleanup_net (net/core/net_namespace.c:706) [ 50.342728][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 50.342732][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.342733][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.342737][ T12] process_one_work (kernel/workqueue.c:3387) [ 50.342744][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 50.342747][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.342754][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 50.342761][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.342764][ T12] kthread (kernel/kthread.c:436) [ 50.342765][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.342769][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 50.342772][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 50.342774][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 50.342778][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 50.342781][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 50.342784][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 51.889880][ T1200] softirqs last disabled at (17032): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 51.889883][ T1200] Preemption disabled at: | [ 51.889883][ T1200] vprintk_emit (kernel/printk/printk.c:2471) | [ 51.889891][ T1200] Tainted: [W]=WARN [ 51.889892][ T1200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 51.889894][ T1200] Call Trace: [ 51.889895][ T1200] [ 51.889897][ T1200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 51.889907][ T1200] ? vprintk_emit (kernel/printk/printk.c:2471) [ 51.889908][ T1200] __might_resched.cold (kernel/sched/core.c:9234) [ 51.889913][ T1200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 51.889917][ T1200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 51.889921][ T1200] __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)) [ 51.889923][ T1200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.889929][ T1200] ? 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) [ 51.889932][ T1200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.889936][ T1200] put_chars (drivers/char/virtio_console.c:1176) [ 51.889938][ T1200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 51.889944][ T1200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 51.889951][ T1200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 51.889955][ T1200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.889959][ T1200] console_emit_next_record (kernel/printk/printk.c:3183) [ 51.889963][ T1200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 51.889965][ T1200] ? 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)) [ 51.889968][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.889971][ T1200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.889975][ T1200] console_flush_one_record (kernel/printk/printk.c:3268) [ 51.889979][ T1200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 51.889981][ T1200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.889986][ T1200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 51.889988][ T1200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 51.889990][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.889992][ T1200] ? 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) [ 51.889996][ T1200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 51.889997][ T1200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 51.890000][ T1200] vprintk_emit (kernel/printk/printk.c:2479) [ 51.890003][ T1200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 51.890006][ T1200] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 51.890011][ T1200] _printk (kernel/printk/printk.c:2504) [ 51.890014][ T1200] ? snapshot_read.cold (user.c:?) [ 51.890016][ T1200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.890019][ T1200] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 51.890021][ T1200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.890023][ T1200] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 51.890027][ T1200] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 51.890030][ T1200] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 51.890032][ T1200] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 51.890035][ T1200] ? netdev_notice (net/core/dev.c:13194) [ 51.890038][ T1200] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 51.890041][ T1200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 51.890043][ T1200] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 51.890047][ T1200] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 51.890049][ T1200] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 51.890051][ T1200] ? register_netdev (net/core/dev.c:11618) [ 51.890052][ T1200] ? 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)) [ 51.890057][ T1200] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 51.890060][ T1200] ? __kernel_text_address (kernel/extable.c:79) [ 51.890062][ T1200] ? write_profile (profile.c:?) [ 51.890066][ T1200] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 51.890072][ T1200] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 51.890075][ T1200] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 51.890077][ T1200] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 51.890078][ T1200] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 51.890080][ T1200] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 51.890083][ T1200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.890085][ T1200] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 51.890087][ T1200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.890089][ T1200] ? kasan_save_stack (mm/kasan/common.c:58) [ 51.890091][ T1200] ? kasan_save_stack (mm/kasan/common.c:57) [ 51.890092][ T1200] ? kasan_save_track (mm/kasan/common.c:78) [ 51.890093][ T1200] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 51.890096][ T1200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.890098][ T1200] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 51.890101][ T1200] ? ___sys_sendmsg (net/socket.c:2758) [ 51.890105][ T1200] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.890107][ T1200] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 51.890109][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.890111][ T1200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.890112][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.890113][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.890115][ T1200] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 51.890117][ T1200] ? __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) [ 51.890118][ T1200] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 51.890120][ T1200] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 51.890124][ T1200] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 51.890125][ T1200] ? nla_get_range_signed (lib/nlattr.c:270) [ 51.890129][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.890132][ T1200] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 51.890137][ T1200] rtnl_newlink (net/core/rtnetlink.c:4215) [ 51.890142][ T1200] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 51.890144][ T1200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.890148][ T1200] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.890150][ T1200] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 51.890152][ T1200] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 51.890154][ T1200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 51.890157][ T1200] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 51.890159][ T1200] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 51.890162][ T1200] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 51.890164][ T1200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.890168][ T1200] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.890170][ T1200] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 51.890173][ T1200] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 51.890176][ T1200] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 51.890179][ T1200] ? netlink_ack (./include/linux/skbuff.h:2718) [ 51.890185][ T1200] ? 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)) [ 51.890187][ T1200] ? 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)) [ 51.890192][ T1200] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 51.890196][ T1200] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 51.890198][ T1200] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 51.890202][ T1200] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 51.890206][ T1200] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 51.890210][ T1200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 51.890211][ T1200] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 51.890217][ T1200] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 51.890219][ T1200] ____sys_sendmsg (net/socket.c:2713) [ 51.890222][ T1200] ? copy_msghdr_from_user (net/socket.c:2650) [ 51.890224][ T1200] ? sock_write_iter (net/socket.c:1269) [ 51.890225][ T1200] ? move_addr_to_kernel (net/socket.c:258) [ 51.890232][ T1200] ___sys_sendmsg (net/socket.c:2767) [ 51.890235][ T1200] ? copy_msghdr_from_user (net/socket.c:2619) [ 51.890250][ T1200] __sys_sendmsg (net/socket.c:2799) [ 51.890253][ T1200] ? __sys_sendmsg_sock (net/socket.c:2780) [ 51.890259][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.890262][ T1200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 51.890265][ T1200] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 51.890268][ T1200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 51.890270][ T1200] RIP: 0033:0x7fac88e9354e [ 51.890274][ T1200] 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 [ 51.890275][ T1200] RSP: 002b:00007ffe2e8a77e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 51.890278][ T1200] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fac88e9354e [ 51.890279][ T1200] RDX: 0000000000000000 RSI: 00007ffe2e8a7890 RDI: 0000000000000005 [ 51.890280][ T1200] RBP: 00007ffe2e8a77f0 R08: 0000000000000000 R09: 0000000000000000 [ 51.890281][ T1200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9141ba [ 51.890281][ T1200] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2e8a7f60 | [ 56.871109][ T1320] softirqs last disabled at (17764): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 56.871111][ T1320] Preemption disabled at: | [ 56.871112][ T1320] vprintk_emit (kernel/printk/printk.c:2471) | [ 56.871119][ T1320] Tainted: [W]=WARN [ 56.871120][ T1320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.871122][ T1320] Call Trace: [ 56.871124][ T1320] [ 56.871125][ T1320] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 56.871130][ T1320] ? vprintk_emit (kernel/printk/printk.c:2471) [ 56.871132][ T1320] __might_resched.cold (kernel/sched/core.c:9234) [ 56.871136][ T1320] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.871140][ T1320] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 56.871145][ T1320] __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)) [ 56.871147][ T1320] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.871153][ T1320] ? 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) [ 56.871155][ T1320] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.871159][ T1320] put_chars (drivers/char/virtio_console.c:1176) [ 56.871162][ T1320] ? __send_to_port (drivers/char/virtio_console.c:654) [ 56.871168][ T1320] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 56.871175][ T1320] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 56.871178][ T1320] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.871182][ T1320] console_emit_next_record (kernel/printk/printk.c:3183) [ 56.871186][ T1320] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 56.871188][ T1320] ? 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)) [ 56.871191][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.871194][ T1320] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.871197][ T1320] console_flush_one_record (kernel/printk/printk.c:3268) [ 56.871201][ T1320] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 56.871203][ T1320] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 56.871208][ T1320] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 56.871211][ T1320] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 56.871213][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.871215][ T1320] ? 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) [ 56.871218][ T1320] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 56.871220][ T1320] ? vprintk_emit (kernel/printk/printk.c:2478) [ 56.871222][ T1320] vprintk_emit (kernel/printk/printk.c:2479) [ 56.871226][ T1320] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 56.871228][ T1320] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 56.871233][ T1320] _printk (kernel/printk/printk.c:2504) [ 56.871236][ T1320] ? snapshot_read.cold (user.c:?) [ 56.871238][ T1320] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 56.871241][ T1320] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 56.871243][ T1320] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 56.871245][ T1320] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 56.871249][ T1320] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 56.871252][ T1320] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 56.871254][ T1320] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 56.871257][ T1320] ? netdev_notice (net/core/dev.c:13194) [ 56.871259][ T1320] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.871262][ T1320] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 56.871265][ T1320] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 56.871268][ T1320] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 56.871270][ T1320] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 56.871272][ T1320] ? register_netdev (net/core/dev.c:11618) [ 56.871273][ T1320] ? 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)) [ 56.871278][ T1320] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 56.871281][ T1320] ? __kernel_text_address (kernel/extable.c:79) [ 56.871283][ T1320] ? write_profile (profile.c:?) [ 56.871287][ T1320] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 56.871293][ T1320] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 56.871296][ T1320] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 56.871298][ T1320] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 56.871299][ T1320] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 56.871301][ T1320] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 56.871304][ T1320] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 56.871306][ T1320] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 56.871308][ T1320] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 56.871313][ T1320] ? kasan_save_stack (mm/kasan/common.c:58) [ 56.871315][ T1320] ? kasan_save_stack (mm/kasan/common.c:57) [ 56.871316][ T1320] ? kasan_save_track (mm/kasan/common.c:78) [ 56.871317][ T1320] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 56.871320][ T1320] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 56.871321][ T1320] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 56.871325][ T1320] ? ___sys_sendmsg (net/socket.c:2758) [ 56.871329][ T1320] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 56.871331][ T1320] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 56.871333][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.871335][ T1320] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.871336][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.871337][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.871339][ T1320] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 56.871341][ T1320] ? __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) [ 56.871342][ T1320] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 56.871344][ T1320] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 56.871347][ T1320] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 56.871349][ T1320] ? nla_get_range_signed (lib/nlattr.c:270) [ 56.871354][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.871356][ T1320] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 56.871361][ T1320] rtnl_newlink (net/core/rtnetlink.c:4215) [ 56.871366][ T1320] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 56.871368][ T1320] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 56.871372][ T1320] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 56.871374][ T1320] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.871376][ T1320] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 56.871377][ T1320] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 56.871381][ T1320] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 56.871383][ T1320] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 56.871386][ T1320] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 56.871387][ T1320] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 56.871392][ T1320] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 56.871394][ T1320] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.871397][ T1320] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 56.871400][ T1320] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 56.871403][ T1320] ? netlink_ack (./include/linux/skbuff.h:2718) [ 56.871409][ T1320] ? 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)) [ 56.871411][ T1320] ? 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)) [ 56.871415][ T1320] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 56.871419][ T1320] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 56.871422][ T1320] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.871426][ T1320] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 56.871430][ T1320] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 56.871433][ T1320] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 56.871435][ T1320] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 56.871440][ T1320] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 56.871443][ T1320] ____sys_sendmsg (net/socket.c:2713) [ 56.871445][ T1320] ? copy_msghdr_from_user (net/socket.c:2650) [ 56.871447][ T1320] ? sock_write_iter (net/socket.c:1269) [ 56.871449][ T1320] ? move_addr_to_kernel (net/socket.c:258) [ 56.871456][ T1320] ___sys_sendmsg (net/socket.c:2767) [ 56.871459][ T1320] ? copy_msghdr_from_user (net/socket.c:2619) [ 56.871474][ T1320] __sys_sendmsg (net/socket.c:2799) [ 56.871477][ T1320] ? __sys_sendmsg_sock (net/socket.c:2780) [ 56.871483][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.871486][ T1320] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 56.871488][ T1320] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 56.871491][ T1320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 56.871493][ T1320] RIP: 0033:0x7f458491e54e [ 56.871497][ T1320] 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 [ 56.871499][ T1320] RSP: 002b:00007ffdfd97a5a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 56.871501][ T1320] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f458491e54e [ 56.871503][ T1320] RDX: 0000000000000000 RSI: 00007ffdfd97a650 RDI: 0000000000000005 [ 56.871503][ T1320] RBP: 00007ffdfd97a5b0 R08: 0000000000000000 R09: 0000000000000000 [ 56.871504][ T1320] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9141bf [ 56.871505][ T1320] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfd97ad20 | [ 62.223945][ T1439] softirqs last disabled at (25136): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 62.223947][ T1439] Preemption disabled at: | [ 62.223948][ T1439] vprintk_emit (kernel/printk/printk.c:2471) | [ 62.223960][ T1439] Tainted: [W]=WARN [ 62.223961][ T1439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 62.223963][ T1439] Call Trace: [ 62.223965][ T1439] [ 62.223966][ T1439] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 62.223972][ T1439] ? vprintk_emit (kernel/printk/printk.c:2471) [ 62.223973][ T1439] __might_resched.cold (kernel/sched/core.c:9234) [ 62.223978][ T1439] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 62.223982][ T1439] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 62.223986][ T1439] __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)) [ 62.223988][ T1439] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.223994][ T1439] ? 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) [ 62.223997][ T1439] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.224001][ T1439] put_chars (drivers/char/virtio_console.c:1176) [ 62.224003][ T1439] ? __send_to_port (drivers/char/virtio_console.c:654) [ 62.224009][ T1439] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 62.224017][ T1439] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 62.224020][ T1439] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.224024][ T1439] console_emit_next_record (kernel/printk/printk.c:3183) [ 62.224028][ T1439] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 62.224030][ T1439] ? 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)) [ 62.224033][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.224036][ T1439] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.224040][ T1439] console_flush_one_record (kernel/printk/printk.c:3268) [ 62.224044][ T1439] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 62.224046][ T1439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.224051][ T1439] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 62.224054][ T1439] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 62.224056][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.224058][ T1439] ? 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) [ 62.224061][ T1439] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 62.224063][ T1439] ? vprintk_emit (kernel/printk/printk.c:2478) [ 62.224065][ T1439] vprintk_emit (kernel/printk/printk.c:2479) [ 62.224068][ T1439] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 62.224071][ T1439] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 62.224076][ T1439] _printk (kernel/printk/printk.c:2504) [ 62.224080][ T1439] ? snapshot_read.cold (user.c:?) [ 62.224082][ T1439] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 62.224084][ T1439] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 62.224087][ T1439] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 62.224089][ T1439] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 62.224093][ T1439] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 62.224095][ T1439] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 62.224097][ T1439] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 62.224100][ T1439] ? netdev_notice (net/core/dev.c:13194) [ 62.224103][ T1439] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.224106][ T1439] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.224108][ T1439] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 62.224112][ T1439] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 62.224114][ T1439] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 62.224116][ T1439] ? register_netdev (net/core/dev.c:11618) [ 62.224117][ T1439] ? 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)) [ 62.224123][ T1439] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 62.224125][ T1439] ? __kernel_text_address (kernel/extable.c:79) [ 62.224127][ T1439] ? write_profile (profile.c:?) [ 62.224131][ T1439] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 62.224137][ T1439] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 62.224140][ T1439] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 62.224142][ T1439] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 62.224143][ T1439] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 62.224145][ T1439] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 62.224148][ T1439] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 62.224150][ T1439] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 62.224152][ T1439] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 62.224154][ T1439] ? kasan_save_stack (mm/kasan/common.c:58) [ 62.224156][ T1439] ? kasan_save_stack (mm/kasan/common.c:57) [ 62.224157][ T1439] ? kasan_save_track (mm/kasan/common.c:78) [ 62.224158][ T1439] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 62.224160][ T1439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.224162][ T1439] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 62.224165][ T1439] ? ___sys_sendmsg (net/socket.c:2758) [ 62.224169][ T1439] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.224171][ T1439] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 62.224174][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.224175][ T1439] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.224177][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.224178][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.224180][ T1439] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 62.224182][ T1439] ? __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) [ 62.224183][ T1439] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 62.224185][ T1439] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 62.224188][ T1439] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 62.224189][ T1439] ? nla_get_range_signed (lib/nlattr.c:270) [ 62.224194][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.224196][ T1439] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 62.224201][ T1439] rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.224207][ T1439] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.224208][ T1439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.224213][ T1439] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.224215][ T1439] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.224217][ T1439] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.224218][ T1439] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.224222][ T1439] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.224224][ T1439] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.224227][ T1439] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.224228][ T1439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.224233][ T1439] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.224235][ T1439] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.224238][ T1439] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 62.224241][ T1439] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.224244][ T1439] ? netlink_ack (./include/linux/skbuff.h:2718) [ 62.224250][ T1439] ? 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)) [ 62.224252][ T1439] ? 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)) [ 62.224257][ T1439] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 62.224260][ T1439] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 62.224263][ T1439] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.224267][ T1439] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 62.224271][ T1439] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 62.224275][ T1439] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.224276][ T1439] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 62.224281][ T1439] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 62.224284][ T1439] ____sys_sendmsg (net/socket.c:2713) [ 62.224286][ T1439] ? copy_msghdr_from_user (net/socket.c:2650) [ 62.224289][ T1439] ? sock_write_iter (net/socket.c:1269) [ 62.224290][ T1439] ? move_addr_to_kernel (net/socket.c:258) [ 62.224297][ T1439] ___sys_sendmsg (net/socket.c:2767) [ 62.224300][ T1439] ? copy_msghdr_from_user (net/socket.c:2619) [ 62.224318][ T1439] __sys_sendmsg (net/socket.c:2799) [ 62.224321][ T1439] ? __sys_sendmsg_sock (net/socket.c:2780) [ 62.224327][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.224330][ T1439] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 62.224333][ T1439] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 62.224336][ T1439] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.224338][ T1439] RIP: 0033:0x7fdef0b2754e [ 62.224342][ T1439] 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 [ 62.224343][ T1439] RSP: 002b:00007ffe8f1030d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 62.224346][ T1439] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdef0b2754e [ 62.224347][ T1439] RDX: 0000000000000000 RSI: 00007ffe8f103180 RDI: 0000000000000005 [ 62.224348][ T1439] RBP: 00007ffe8f1030e0 R08: 0000000000000000 R09: 0000000000000000 [ 62.224349][ T1439] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9141c4 [ 62.224350][ T1439] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8f103850 | [ 67.445836][ T1556] softirqs last disabled at (16928): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 67.445838][ T1556] Preemption disabled at: | [ 67.445839][ T1556] vprintk_emit (kernel/printk/printk.c:2471) | [ 67.445847][ T1556] Tainted: [W]=WARN [ 67.445848][ T1556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 67.445849][ T1556] Call Trace: [ 67.445851][ T1556] [ 67.445853][ T1556] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 67.445858][ T1556] ? vprintk_emit (kernel/printk/printk.c:2471) [ 67.445860][ T1556] __might_resched.cold (kernel/sched/core.c:9234) [ 67.445865][ T1556] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 67.445869][ T1556] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 67.445873][ T1556] __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)) [ 67.445875][ T1556] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.445882][ T1556] ? 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) [ 67.445885][ T1556] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.445888][ T1556] put_chars (drivers/char/virtio_console.c:1176) [ 67.445891][ T1556] ? __send_to_port (drivers/char/virtio_console.c:654) [ 67.445897][ T1556] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 67.445904][ T1556] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 67.445907][ T1556] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.445912][ T1556] console_emit_next_record (kernel/printk/printk.c:3183) [ 67.445916][ T1556] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 67.445918][ T1556] ? 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)) [ 67.445921][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.445924][ T1556] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.445928][ T1556] console_flush_one_record (kernel/printk/printk.c:3268) [ 67.445932][ T1556] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 67.445934][ T1556] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.445939][ T1556] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 67.445942][ T1556] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 67.445944][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.445945][ T1556] ? 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) [ 67.445949][ T1556] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 67.445951][ T1556] ? vprintk_emit (kernel/printk/printk.c:2478) [ 67.445953][ T1556] vprintk_emit (kernel/printk/printk.c:2479) [ 67.445957][ T1556] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 67.445959][ T1556] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 67.445964][ T1556] _printk (kernel/printk/printk.c:2504) [ 67.445968][ T1556] ? snapshot_read.cold (user.c:?) [ 67.445969][ T1556] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 67.445972][ T1556] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 67.445975][ T1556] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 67.445977][ T1556] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 67.445980][ T1556] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 67.445986][ T1556] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 67.445989][ T1556] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 67.445991][ T1556] ? netdev_notice (net/core/dev.c:13194) [ 67.445994][ T1556] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 67.445997][ T1556] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 67.446000][ T1556] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 67.446003][ T1556] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 67.446005][ T1556] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 67.446007][ T1556] ? register_netdev (net/core/dev.c:11618) [ 67.446009][ T1556] ? 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)) [ 67.446014][ T1556] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 67.446016][ T1556] ? __kernel_text_address (kernel/extable.c:79) [ 67.446019][ T1556] ? write_profile (profile.c:?) [ 67.446023][ T1556] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 67.446029][ T1556] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 67.446032][ T1556] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 67.446034][ T1556] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 67.446035][ T1556] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 67.446037][ T1556] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 67.446041][ T1556] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 67.446042][ T1556] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 67.446044][ T1556] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 67.446047][ T1556] ? kasan_save_stack (mm/kasan/common.c:58) [ 67.446048][ T1556] ? kasan_save_stack (mm/kasan/common.c:57) [ 67.446050][ T1556] ? kasan_save_track (mm/kasan/common.c:78) [ 67.446051][ T1556] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 67.446053][ T1556] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.446055][ T1556] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 67.446058][ T1556] ? ___sys_sendmsg (net/socket.c:2758) [ 67.446062][ T1556] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 67.446064][ T1556] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 67.446066][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.446068][ T1556] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.446069][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.446070][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.446072][ T1556] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 67.446074][ T1556] ? __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) [ 67.446075][ T1556] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 67.446077][ T1556] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 67.446080][ T1556] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 67.446082][ T1556] ? nla_get_range_signed (lib/nlattr.c:270) [ 67.446086][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.446088][ T1556] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 67.446093][ T1556] rtnl_newlink (net/core/rtnetlink.c:4215) [ 67.446099][ T1556] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.446100][ T1556] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.446105][ T1556] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 67.446107][ T1556] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 67.446108][ T1556] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.446110][ T1556] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 67.446114][ T1556] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.446116][ T1556] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 67.446119][ T1556] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.446120][ T1556] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.446125][ T1556] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 67.446127][ T1556] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 67.446130][ T1556] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 67.446133][ T1556] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.446136][ T1556] ? netlink_ack (./include/linux/skbuff.h:2718) [ 67.446142][ T1556] ? 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)) [ 67.446144][ T1556] ? 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)) [ 67.446148][ T1556] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 67.446152][ T1556] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 67.446155][ T1556] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 67.446159][ T1556] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 67.446163][ T1556] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 67.446166][ T1556] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 67.446168][ T1556] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 67.446173][ T1556] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 67.446176][ T1556] ____sys_sendmsg (net/socket.c:2713) [ 67.446178][ T1556] ? copy_msghdr_from_user (net/socket.c:2650) [ 67.446180][ T1556] ? sock_write_iter (net/socket.c:1269) [ 67.446182][ T1556] ? move_addr_to_kernel (net/socket.c:258) [ 67.446189][ T1556] ___sys_sendmsg (net/socket.c:2767) [ 67.446192][ T1556] ? copy_msghdr_from_user (net/socket.c:2619) [ 67.446207][ T1556] __sys_sendmsg (net/socket.c:2799) [ 67.446210][ T1556] ? __sys_sendmsg_sock (net/socket.c:2780) [ 67.446216][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.446219][ T1556] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 67.446221][ T1556] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 67.446224][ T1556] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 67.446226][ T1556] RIP: 0033:0x7f59f4cd754e [ 67.446230][ T1556] 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 [ 67.446231][ T1556] RSP: 002b:00007fff0a8bc050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 67.446234][ T1556] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f59f4cd754e [ 67.446235][ T1556] RDX: 0000000000000000 RSI: 00007fff0a8bc100 RDI: 0000000000000005 [ 67.446236][ T1556] RBP: 00007fff0a8bc060 R08: 0000000000000000 R09: 0000000000000000 [ 67.446237][ T1556] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9141c9 [ 67.446238][ T1556] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0a8bc7d0 | [ 72.511880][ T1677] softirqs last disabled at (21732): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 72.511882][ T1677] Preemption disabled at: | [ 72.511883][ T1677] vprintk_emit (kernel/printk/printk.c:2471) | [ 72.511891][ T1677] Tainted: [W]=WARN [ 72.511892][ T1677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 72.511894][ T1677] Call Trace: [ 72.511895][ T1677] [ 72.511897][ T1677] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 72.511902][ T1677] ? vprintk_emit (kernel/printk/printk.c:2471) [ 72.511904][ T1677] __might_resched.cold (kernel/sched/core.c:9234) [ 72.511908][ T1677] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 72.511912][ T1677] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 72.511917][ T1677] __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)) [ 72.511919][ T1677] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.511925][ T1677] ? 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) [ 72.511928][ T1677] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.511931][ T1677] put_chars (drivers/char/virtio_console.c:1176) [ 72.511933][ T1677] ? __send_to_port (drivers/char/virtio_console.c:654) [ 72.511939][ T1677] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 72.511947][ T1677] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 72.511950][ T1677] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.511954][ T1677] console_emit_next_record (kernel/printk/printk.c:3183) [ 72.511958][ T1677] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 72.511960][ T1677] ? 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)) [ 72.511963][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.511965][ T1677] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.511969][ T1677] console_flush_one_record (kernel/printk/printk.c:3268) [ 72.511973][ T1677] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 72.511975][ T1677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 72.511980][ T1677] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 72.511983][ T1677] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 72.511985][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.511986][ T1677] ? 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) [ 72.511990][ T1677] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 72.511992][ T1677] ? vprintk_emit (kernel/printk/printk.c:2478) [ 72.511994][ T1677] vprintk_emit (kernel/printk/printk.c:2479) [ 72.511997][ T1677] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 72.512000][ T1677] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 72.512005][ T1677] _printk (kernel/printk/printk.c:2504) [ 72.512008][ T1677] ? snapshot_read.cold (user.c:?) [ 72.512014][ T1677] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 72.512016][ T1677] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 72.512019][ T1677] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 72.512021][ T1677] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 72.512025][ T1677] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 72.512027][ T1677] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 72.512030][ T1677] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 72.512032][ T1677] ? netdev_notice (net/core/dev.c:13194) [ 72.512035][ T1677] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 72.512038][ T1677] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 72.512041][ T1677] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 72.512044][ T1677] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 72.512046][ T1677] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 72.512048][ T1677] ? register_netdev (net/core/dev.c:11618) [ 72.512049][ T1677] ? 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)) [ 72.512055][ T1677] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 72.512057][ T1677] ? __kernel_text_address (kernel/extable.c:79) [ 72.512059][ T1677] ? write_profile (profile.c:?) [ 72.512064][ T1677] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 72.512069][ T1677] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 72.512072][ T1677] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 72.512074][ T1677] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 72.512076][ T1677] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 72.512077][ T1677] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 72.512081][ T1677] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 72.512082][ T1677] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 72.512084][ T1677] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 72.512086][ T1677] ? kasan_save_stack (mm/kasan/common.c:58) [ 72.512088][ T1677] ? kasan_save_stack (mm/kasan/common.c:57) [ 72.512089][ T1677] ? kasan_save_track (mm/kasan/common.c:78) [ 72.512090][ T1677] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 72.512093][ T1677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 72.512095][ T1677] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 72.512098][ T1677] ? ___sys_sendmsg (net/socket.c:2758) [ 72.512101][ T1677] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 72.512103][ T1677] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 72.512106][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.512108][ T1677] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.512109][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.512110][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.512112][ T1677] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 72.512114][ T1677] ? __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) [ 72.512115][ T1677] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 72.512117][ T1677] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 72.512120][ T1677] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 72.512122][ T1677] ? nla_get_range_signed (lib/nlattr.c:270) [ 72.512126][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.512128][ T1677] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 72.512133][ T1677] rtnl_newlink (net/core/rtnetlink.c:4215) [ 72.512138][ T1677] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 72.512140][ T1677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 72.512145][ T1677] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 72.512146][ T1677] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 72.512148][ T1677] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 72.512150][ T1677] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 72.512154][ T1677] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 72.512156][ T1677] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 72.512159][ T1677] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 72.512160][ T1677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 72.512165][ T1677] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 72.512166][ T1677] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 72.512170][ T1677] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 72.512173][ T1677] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 72.512176][ T1677] ? netlink_ack (./include/linux/skbuff.h:2718) [ 72.512182][ T1677] ? 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)) [ 72.512184][ T1677] ? 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)) [ 72.512188][ T1677] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 72.512192][ T1677] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 72.512194][ T1677] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 72.512199][ T1677] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 72.512202][ T1677] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 72.512206][ T1677] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 72.512208][ T1677] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 72.512213][ T1677] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 72.512215][ T1677] ____sys_sendmsg (net/socket.c:2713) [ 72.512218][ T1677] ? copy_msghdr_from_user (net/socket.c:2650) [ 72.512220][ T1677] ? sock_write_iter (net/socket.c:1269) [ 72.512221][ T1677] ? move_addr_to_kernel (net/socket.c:258) [ 72.512229][ T1677] ___sys_sendmsg (net/socket.c:2767) [ 72.512231][ T1677] ? copy_msghdr_from_user (net/socket.c:2619) [ 72.512247][ T1677] __sys_sendmsg (net/socket.c:2799) [ 72.512249][ T1677] ? __sys_sendmsg_sock (net/socket.c:2780) [ 72.512255][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.512258][ T1677] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 72.512261][ T1677] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 72.512264][ T1677] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 72.512266][ T1677] RIP: 0033:0x7f96032e354e [ 72.512270][ T1677] 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 [ 72.512272][ T1677] RSP: 002b:00007ffe6c358990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 72.512274][ T1677] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f96032e354e [ 72.512276][ T1677] RDX: 0000000000000000 RSI: 00007ffe6c358a40 RDI: 0000000000000005 [ 72.512277][ T1677] RBP: 00007ffe6c3589a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.512278][ T1677] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9141ce [ 72.512278][ T1677] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6c359110 | [ 79.016973][ T1812] softirqs last disabled at (22480): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 79.016975][ T1812] Preemption disabled at: | [ 79.016976][ T1812] vprintk_emit (kernel/printk/printk.c:2471) | [ 79.016984][ T1812] Tainted: [W]=WARN [ 79.016985][ T1812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 79.016987][ T1812] Call Trace: [ 79.016989][ T1812] [ 79.016990][ T1812] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 79.016996][ T1812] ? vprintk_emit (kernel/printk/printk.c:2471) [ 79.016997][ T1812] __might_resched.cold (kernel/sched/core.c:9234) [ 79.017001][ T1812] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 79.017005][ T1812] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 79.017010][ T1812] __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)) [ 79.017012][ T1812] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 79.017018][ T1812] ? 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) [ 79.017021][ T1812] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 79.017024][ T1812] put_chars (drivers/char/virtio_console.c:1176) [ 79.017026][ T1812] ? __send_to_port (drivers/char/virtio_console.c:654) [ 79.017033][ T1812] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 79.017040][ T1812] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 79.017043][ T1812] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 79.017051][ T1812] console_emit_next_record (kernel/printk/printk.c:3183) [ 79.017055][ T1812] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 79.017057][ T1812] ? 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)) [ 79.017060][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.017063][ T1812] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 79.017067][ T1812] console_flush_one_record (kernel/printk/printk.c:3268) [ 79.017071][ T1812] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 79.017073][ T1812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.017078][ T1812] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 79.017080][ T1812] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 79.017082][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.017084][ T1812] ? 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) [ 79.017087][ T1812] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 79.017089][ T1812] ? vprintk_emit (kernel/printk/printk.c:2478) [ 79.017092][ T1812] vprintk_emit (kernel/printk/printk.c:2479) [ 79.017095][ T1812] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 79.017097][ T1812] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 79.017102][ T1812] _printk (kernel/printk/printk.c:2504) [ 79.017106][ T1812] ? snapshot_read.cold (user.c:?) [ 79.017107][ T1812] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 79.017110][ T1812] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 79.017113][ T1812] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 79.017115][ T1812] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 79.017118][ T1812] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 79.017121][ T1812] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 79.017123][ T1812] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 79.017126][ T1812] ? netdev_notice (net/core/dev.c:13194) [ 79.017129][ T1812] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 79.017132][ T1812] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 79.017134][ T1812] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 79.017138][ T1812] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 79.017140][ T1812] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 79.017142][ T1812] ? register_netdev (net/core/dev.c:11618) [ 79.017143][ T1812] ? 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)) [ 79.017148][ T1812] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 79.017151][ T1812] ? __kernel_text_address (kernel/extable.c:79) [ 79.017153][ T1812] ? write_profile (profile.c:?) [ 79.017157][ T1812] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 79.017163][ T1812] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 79.017166][ T1812] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 79.017168][ T1812] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 79.017170][ T1812] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 79.017171][ T1812] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 79.017175][ T1812] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 79.017176][ T1812] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 79.017178][ T1812] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 79.017181][ T1812] ? kasan_save_stack (mm/kasan/common.c:58) [ 79.017182][ T1812] ? kasan_save_stack (mm/kasan/common.c:57) [ 79.017183][ T1812] ? kasan_save_track (mm/kasan/common.c:78) [ 79.017185][ T1812] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 79.017187][ T1812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.017189][ T1812] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 79.017192][ T1812] ? ___sys_sendmsg (net/socket.c:2758) [ 79.017196][ T1812] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.017198][ T1812] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 79.017200][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.017202][ T1812] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 79.017204][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.017205][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.017206][ T1812] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 79.017208][ T1812] ? __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) [ 79.017209][ T1812] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 79.017211][ T1812] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 79.017215][ T1812] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 79.017216][ T1812] ? nla_get_range_signed (lib/nlattr.c:270) [ 79.017221][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.017223][ T1812] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 79.017228][ T1812] rtnl_newlink (net/core/rtnetlink.c:4215) [ 79.017233][ T1812] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 79.017235][ T1812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.017239][ T1812] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.017241][ T1812] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 79.017243][ T1812] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 79.017245][ T1812] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 79.017249][ T1812] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 79.017251][ T1812] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 79.017254][ T1812] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 79.017255][ T1812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.017259][ T1812] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.017261][ T1812] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 79.017265][ T1812] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 79.017268][ T1812] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 79.017271][ T1812] ? netlink_ack (./include/linux/skbuff.h:2718) [ 79.017277][ T1812] ? 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)) [ 79.017279][ T1812] ? 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)) [ 79.017283][ T1812] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 79.017287][ T1812] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 79.017290][ T1812] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 79.017294][ T1812] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 79.017297][ T1812] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 79.017301][ T1812] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 79.017303][ T1812] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 79.017308][ T1812] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 79.017313][ T1812] ____sys_sendmsg (net/socket.c:2713) [ 79.017315][ T1812] ? copy_msghdr_from_user (net/socket.c:2650) [ 79.017318][ T1812] ? sock_write_iter (net/socket.c:1269) [ 79.017319][ T1812] ? move_addr_to_kernel (net/socket.c:258) [ 79.017326][ T1812] ___sys_sendmsg (net/socket.c:2767) [ 79.017329][ T1812] ? copy_msghdr_from_user (net/socket.c:2619) [ 79.017345][ T1812] __sys_sendmsg (net/socket.c:2799) [ 79.017347][ T1812] ? __sys_sendmsg_sock (net/socket.c:2780) [ 79.017353][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.017356][ T1812] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 79.017359][ T1812] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 79.017362][ T1812] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 79.017364][ T1812] RIP: 0033:0x7f70e5d2254e [ 79.017368][ T1812] 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 [ 79.017369][ T1812] RSP: 002b:00007ffc2387a400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 79.017372][ T1812] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f70e5d2254e [ 79.017373][ T1812] RDX: 0000000000000000 RSI: 00007ffc2387a4b0 RDI: 0000000000000005 [ 79.017374][ T1812] RBP: 00007ffc2387a410 R08: 0000000000000000 R09: 0000000000000000 [ 79.017375][ T1812] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9141d5 [ 79.017376][ T1812] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2387ab80 | [ 82.148308][ T12] softirqs last disabled at (1634156): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 82.148313][ T12] Preemption disabled at: | [ 82.148314][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 82.148322][ T12] Tainted: [W]=WARN [ 82.148323][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 82.148324][ T12] Workqueue: netns cleanup_net [ 82.148327][ T12] Call Trace: [ 82.148329][ T12] [ 82.148331][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 82.148337][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 82.148338][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 82.148343][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 82.148346][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 82.148351][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 82.148353][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.148360][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 82.148362][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.148366][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 82.148369][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 82.148370][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 82.148374][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 82.148376][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 82.148381][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 82.148385][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 82.148390][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 82.148393][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.148398][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 82.148402][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 82.148404][ T12] ? 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)) [ 82.148407][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.148409][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.148413][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 82.148417][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 82.148419][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 82.148425][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 82.148427][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 82.148429][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.148431][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 82.148435][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 82.148436][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 82.148439][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 82.148442][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 82.148444][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 82.148445][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 82.148447][ T12] ? kthread (kernel/kthread.c:436) [ 82.148449][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 82.148453][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 82.148457][ T12] _printk (kernel/printk/printk.c:2504) [ 82.148461][ T12] ? snapshot_read.cold (user.c:?) [ 82.148465][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 82.148469][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 82.148473][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 82.148476][ T12] ? netdev_notice (net/core/dev.c:13194) [ 82.148480][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.148482][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 82.148484][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 82.148486][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 82.148489][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 82.148493][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 82.148496][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 82.148500][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 82.148501][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 82.148506][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 82.148510][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 82.148513][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 82.148517][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 82.148521][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 82.148522][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 82.148526][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 82.148532][ T12] cleanup_net (net/core/net_namespace.c:706) [ 82.148535][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 82.148538][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.148540][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.148544][ T12] process_one_work (kernel/workqueue.c:3387) [ 82.148550][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 82.148554][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 82.148561][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 82.148568][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 82.148570][ T12] kthread (kernel/kthread.c:436) [ 82.148572][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 82.148575][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 82.148578][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 82.148581][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 82.148584][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 82.148588][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 82.148590][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 84.105880][ T1958] softirqs last disabled at (21886): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 84.105882][ T1958] Preemption disabled at: | [ 84.105883][ T1958] vprintk_emit (kernel/printk/printk.c:2471) | [ 84.105891][ T1958] Tainted: [W]=WARN [ 84.105892][ T1958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 84.105893][ T1958] Call Trace: [ 84.105895][ T1958] [ 84.105897][ T1958] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 84.105902][ T1958] ? vprintk_emit (kernel/printk/printk.c:2471) [ 84.105904][ T1958] __might_resched.cold (kernel/sched/core.c:9234) [ 84.105908][ T1958] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 84.105912][ T1958] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 84.105917][ T1958] __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)) [ 84.105918][ T1958] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.105925][ T1958] ? 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) [ 84.105927][ T1958] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.105931][ T1958] put_chars (drivers/char/virtio_console.c:1176) [ 84.105933][ T1958] ? __send_to_port (drivers/char/virtio_console.c:654) [ 84.105939][ T1958] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 84.105947][ T1958] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 84.105950][ T1958] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.105954][ T1958] console_emit_next_record (kernel/printk/printk.c:3183) [ 84.105958][ T1958] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 84.105960][ T1958] ? 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)) [ 84.105963][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.105966][ T1958] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.105970][ T1958] console_flush_one_record (kernel/printk/printk.c:3268) [ 84.105974][ T1958] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 84.105976][ T1958] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.105981][ T1958] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 84.105984][ T1958] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 84.105985][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.105987][ T1958] ? 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) [ 84.105990][ T1958] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 84.105992][ T1958] ? vprintk_emit (kernel/printk/printk.c:2478) [ 84.105995][ T1958] vprintk_emit (kernel/printk/printk.c:2479) [ 84.105998][ T1958] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 84.106000][ T1958] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 84.106005][ T1958] _printk (kernel/printk/printk.c:2504) [ 84.106009][ T1958] ? snapshot_read.cold (user.c:?) [ 84.106010][ T1958] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 84.106013][ T1958] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 84.106016][ T1958] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 84.106018][ T1958] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 84.106021][ T1958] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 84.106024][ T1958] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 84.106026][ T1958] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 84.106029][ T1958] ? netdev_notice (net/core/dev.c:13194) [ 84.106032][ T1958] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 84.106035][ T1958] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 84.106037][ T1958] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 84.106041][ T1958] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 84.106043][ T1958] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 84.106045][ T1958] ? register_netdev (net/core/dev.c:11618) [ 84.106046][ T1958] ? 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)) [ 84.106051][ T1958] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 84.106054][ T1958] ? __kernel_text_address (kernel/extable.c:79) [ 84.106056][ T1958] ? write_profile (profile.c:?) [ 84.106060][ T1958] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 84.106065][ T1958] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 84.106068][ T1958] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 84.106071][ T1958] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 84.106072][ T1958] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 84.106078][ T1958] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 84.106082][ T1958] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 84.106084][ T1958] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 84.106085][ T1958] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 84.106088][ T1958] ? kasan_save_stack (mm/kasan/common.c:58) [ 84.106090][ T1958] ? kasan_save_stack (mm/kasan/common.c:57) [ 84.106091][ T1958] ? kasan_save_track (mm/kasan/common.c:78) [ 84.106092][ T1958] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 84.106094][ T1958] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.106096][ T1958] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 84.106099][ T1958] ? ___sys_sendmsg (net/socket.c:2758) [ 84.106103][ T1958] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 84.106105][ T1958] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 84.106108][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.106109][ T1958] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.106111][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.106112][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.106114][ T1958] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 84.106116][ T1958] ? __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) [ 84.106117][ T1958] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 84.106119][ T1958] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 84.106122][ T1958] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 84.106123][ T1958] ? nla_get_range_signed (lib/nlattr.c:270) [ 84.106128][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.106130][ T1958] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 84.106135][ T1958] rtnl_newlink (net/core/rtnetlink.c:4215) [ 84.106140][ T1958] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.106142][ T1958] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.106146][ T1958] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 84.106148][ T1958] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 84.106150][ T1958] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.106152][ T1958] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 84.106155][ T1958] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.106157][ T1958] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 84.106160][ T1958] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 84.106162][ T1958] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.106166][ T1958] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 84.106168][ T1958] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 84.106171][ T1958] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 84.106174][ T1958] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 84.106177][ T1958] ? netlink_ack (./include/linux/skbuff.h:2718) [ 84.106183][ T1958] ? 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)) [ 84.106186][ T1958] ? 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)) [ 84.106190][ T1958] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 84.106194][ T1958] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 84.106196][ T1958] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 84.106200][ T1958] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 84.106204][ T1958] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 84.106208][ T1958] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 84.106209][ T1958] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 84.106215][ T1958] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 84.106217][ T1958] ____sys_sendmsg (net/socket.c:2713) [ 84.106220][ T1958] ? copy_msghdr_from_user (net/socket.c:2650) [ 84.106222][ T1958] ? sock_write_iter (net/socket.c:1269) [ 84.106224][ T1958] ? move_addr_to_kernel (net/socket.c:258) [ 84.106231][ T1958] ___sys_sendmsg (net/socket.c:2767) [ 84.106233][ T1958] ? copy_msghdr_from_user (net/socket.c:2619) [ 84.106249][ T1958] __sys_sendmsg (net/socket.c:2799) [ 84.106252][ T1958] ? __sys_sendmsg_sock (net/socket.c:2780) [ 84.106258][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.106261][ T1958] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 84.106264][ T1958] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 84.106266][ T1958] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 84.106268][ T1958] RIP: 0033:0x7ff758c9554e [ 84.106272][ T1958] 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 [ 84.106274][ T1958] RSP: 002b:00007fff3f5a0500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 84.106276][ T1958] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff758c9554e [ 84.106278][ T1958] RDX: 0000000000000000 RSI: 00007fff3f5a05b0 RDI: 0000000000000005 [ 84.106279][ T1958] RBP: 00007fff3f5a0510 R08: 0000000000000000 R09: 0000000000000000 [ 84.106279][ T1958] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9141da [ 84.106280][ T1958] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3f5a0c80 | [ 88.144216][ T12] softirqs last disabled at (1803030): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 88.144218][ T12] Preemption disabled at: | [ 88.144219][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 88.144227][ T12] Tainted: [W]=WARN [ 88.144228][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 88.144229][ T12] Workqueue: netns cleanup_net [ 88.144232][ T12] Call Trace: [ 88.144234][ T12] [ 88.144236][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 88.144242][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 88.144244][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 88.144248][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 88.144252][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 88.144256][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 88.144258][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 88.144265][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 88.144267][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 88.144271][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 88.144273][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 88.144275][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 88.144278][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 88.144281][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 88.144286][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 88.144290][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 88.144295][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 88.144298][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.144303][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 88.144307][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 88.144312][ T12] ? 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)) [ 88.144315][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.144317][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.144321][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 88.144326][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 88.144327][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 88.144333][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 88.144336][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 88.144338][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.144339][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 88.144343][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 88.144345][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 88.144348][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 88.144351][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 88.144352][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 88.144354][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 88.144356][ T12] ? kthread (kernel/kthread.c:436) [ 88.144358][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 88.144361][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 88.144365][ T12] _printk (kernel/printk/printk.c:2504) [ 88.144369][ T12] ? snapshot_read.cold (user.c:?) [ 88.144374][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 88.144377][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 88.144381][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 88.144384][ T12] ? netdev_notice (net/core/dev.c:13194) [ 88.144389][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.144390][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 88.144393][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 88.144395][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 88.144397][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 88.144401][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 88.144405][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 88.144408][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 88.144410][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 88.144415][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 88.144418][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 88.144422][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 88.144425][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 88.144429][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 88.144431][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 88.144434][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 88.144439][ T12] cleanup_net (net/core/net_namespace.c:706) [ 88.144442][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 88.144446][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.144447][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.144451][ T12] process_one_work (kernel/workqueue.c:3387) [ 88.144458][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 88.144461][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 88.144468][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 88.144475][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 88.144477][ T12] kthread (kernel/kthread.c:436) [ 88.144479][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 88.144482][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 88.144485][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 88.144488][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 88.144492][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 88.144495][ T12] ? 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: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