====================================== | [ 12.663390][ T208] softirqs last disabled at (25885): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.663393][ T208] Preemption disabled at: | [ 12.663394][ T208] 0x0 | [ 12.663407][ T208] Tainted: [W]=WARN [ 12.663408][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.663411][ T208] Call Trace: [ 12.663413][ T208] [ 12.663415][ T208] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.663423][ T208] __might_resched.cold (kernel/sched/core.c:9234) [ 12.663429][ T208] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.663435][ T208] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.663442][ T208] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.663445][ T208] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.663455][ T208] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.663459][ T208] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.663465][ T208] put_chars (drivers/char/virtio_console.c:1176) [ 12.663469][ T208] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.663471][ T208] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.663476][ T208] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.663486][ T208] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.663497][ T208] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.663502][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.663505][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.663511][ T208] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.663518][ T208] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.663521][ T208] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.663526][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.663529][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.663536][ T208] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.663543][ T208] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.663546][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.663555][ T208] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.663559][ T208] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.663562][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.663565][ T208] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 12.663571][ T208] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.663574][ T208] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.663579][ T208] vprintk_emit (kernel/printk/printk.c:2479) [ 12.663584][ T208] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.663589][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.663595][ T208] _printk (kernel/printk/printk.c:2504) [ 12.663600][ T208] ? snapshot_read.cold (user.c:?) [ 12.663606][ T208] ? 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) [ 12.663610][ T208] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.663617][ T208] ? 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) [ 12.663622][ T208] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.663627][ T208] ? exit_notify (kernel/exit.c:780) [ 12.663630][ T208] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.663634][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.663640][ T208] do_group_exit (kernel/exit.c:1151) [ 12.663645][ T208] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.663648][ T208] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.663651][ T208] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.663656][ T208] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.663661][ T208] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.663665][ T208] RIP: 0033:0x7f691683f1b8 [ 12.663668][ T208] Code: Unable to access opcode bytes at 0x7f691683f18e. Code starting with the faulting instruction =========================================== [ 12.663669][ T208] RSP: 002b:00007ffe86fa9d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.663673][ T208] RAX: ffffffffffffffda RBX: 00007f691696ff88 RCX: 00007f691683f1b8 [ 12.663675][ T208] RDX: 00007f6916589fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.663676][ T208] RBP: 00007ffe86fa9d80 R08: 0000000000000000 R09: 0000000000000050 [ 12.663678][ T208] R10: 00007ffe86fa9b40 R11: 0000000000000246 R12: 0000000000000001 [ 12.663679][ T208] R13: 0000000000000000 R14: 00007f691696e680 R15: 00007f691696ffa0 | [ 13.747324][ T247] softirqs last disabled at (23263): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.747326][ T247] Preemption disabled at: | [ 13.747327][ T247] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.747336][ T247] Tainted: [W]=WARN [ 13.747337][ T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.747339][ T247] Call Trace: [ 13.747340][ T247] [ 13.747341][ T247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.747347][ T247] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.747349][ T247] __might_resched.cold (kernel/sched/core.c:9234) [ 13.747354][ T247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.747358][ T247] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.747362][ T247] __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)) [ 13.747364][ T247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.747371][ T247] ? 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) [ 13.747373][ T247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.747377][ T247] put_chars (drivers/char/virtio_console.c:1176) [ 13.747379][ T247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.747382][ T247] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.747385][ T247] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.747388][ T247] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.747392][ T247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.747396][ T247] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.747397][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.747399][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.747403][ T247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.747405][ T247] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.747409][ T247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.747413][ T247] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.747416][ T247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.747418][ T247] ? 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)) [ 13.747421][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.747423][ T247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.747427][ T247] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.747431][ T247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.747433][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.747438][ T247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.747441][ T247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.747443][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.747444][ T247] ? 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) [ 13.747448][ T247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.747450][ T247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.747452][ T247] vprintk_emit (kernel/printk/printk.c:2479) [ 13.747456][ T247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.747461][ T247] ? _sub_I_65535_1+0xf20/0xf20 drop_monitor [ 13.747464][ T247] _printk (kernel/printk/printk.c:2504) [ 13.747468][ T247] ? snapshot_read.cold (user.c:?) [ 13.747474][ T247] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 13.747477][ T247] init_net_drop_monitor (./include/linux/slab.h:991 (discriminator 1) ./include/linux/slab.h:1312 (discriminator 1) net/core/drop_monitor.c:309 (discriminator 1)) drop_monitor [ 13.747481][ T247] ? _sub_I_65535_1+0xf20/0xf20 drop_monitor [ 13.747483][ T247] do_one_initcall (init/main.c:1357) [ 13.747486][ T247] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.747490][ T247] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.747493][ T247] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.747498][ T247] do_init_module (kernel/module/main.c:3117) [ 13.747501][ T247] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.747505][ T247] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.747508][ T247] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.747511][ T247] load_module (kernel/module/main.c:3593) [ 13.747516][ T247] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 13.747521][ T247] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.747524][ T247] ? __ia32_sys_fsconfig (??:?) [ 13.747528][ T247] ? backing_file_read_iter (fs/backing-file.c:211) [ 13.747532][ T247] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.747535][ T247] init_module_from_file (kernel/module/main.c:3790) [ 13.747537][ T247] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.747545][ T247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.747548][ T247] ? 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) [ 13.747551][ T247] idempotent_init_module (kernel/module/main.c:3802) [ 13.747554][ T247] ? init_module_from_file (kernel/module/main.c:3791) [ 13.747559][ T247] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.747561][ T247] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 13.747567][ T247] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.747568][ T247] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.747572][ T247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.747575][ T247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.747578][ T247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.747580][ T247] RIP: 0033:0x7fa83add437d [ 13.747583][ T247] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 13.747585][ T247] RSP: 002b:00007fff63031978 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.747588][ T247] RAX: ffffffffffffffda RBX: 00005571ba3f6810 RCX: 00007fa83add437d [ 13.747589][ T247] RDX: 0000000000000000 RSI: 0000557181dcfffd RDI: 0000000000000000 [ 13.747590][ T247] RBP: 00007fff63031a10 R08: 0000000000000000 R09: 0000000000000000 [ 13.747591][ T247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557181dcfffd [ 13.747592][ T247] R13: 00005571ba3f6990 R14: 0000000000040000 R15: 0000000000000000 | [ 25.414854][ T282] softirqs last disabled at (17008): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 25.414857][ T282] Preemption disabled at: | [ 25.414858][ T282] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.414869][ T282] Tainted: [W]=WARN [ 25.414870][ T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.414872][ T282] Call Trace: [ 25.414874][ T282] [ 25.414876][ T282] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.414883][ T282] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.414886][ T282] __might_resched.cold (kernel/sched/core.c:9234) [ 25.414892][ T282] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.414898][ T282] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.414905][ T282] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 25.414908][ T282] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.414917][ T282] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 25.414921][ T282] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.414927][ T282] put_chars (drivers/char/virtio_console.c:1176) [ 25.414931][ T282] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.414935][ T282] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.414940][ T282] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.414943][ T282] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.414950][ T282] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.414955][ T282] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.414958][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.414960][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.414968][ T282] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.414970][ T282] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.414978][ T282] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.414985][ T282] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.414991][ T282] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.414994][ T282] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 25.414999][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.415002][ T282] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.415009][ T282] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.415016][ T282] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.415018][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.415027][ T282] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.415032][ T282] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.415034][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.415037][ T282] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 25.415044][ T282] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.415046][ T282] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.415051][ T282] vprintk_emit (kernel/printk/printk.c:2479) [ 25.415057][ T282] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.415060][ T282] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.415068][ T282] _printk (kernel/printk/printk.c:2504) [ 25.415073][ T282] ? snapshot_read.cold (user.c:?) [ 25.415078][ T282] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.415081][ T282] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.415087][ T282] ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84) [ 25.415093][ T282] vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1)) [ 25.415099][ T282] ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261) [ 25.415107][ T282] ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110) [ 25.415111][ T282] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 25.415121][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.415124][ T282] notifier_call_chain (kernel/notifier.c:85) [ 25.415132][ T282] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853) [ 25.415140][ T282] ? netif_change_name (net/core/dev.c:1517) [ 25.415146][ T282] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 25.415152][ T282] ? write_profile (profile.c:?) [ 25.415159][ T282] netif_change_flags (net/core/dev.c:9882) [ 25.415170][ T282] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 25.415176][ T282] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 25.415179][ T282] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 25.415181][ T282] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 25.415185][ T282] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 25.415189][ T282] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.415193][ T282] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.415195][ T282] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.415199][ T282] ? kasan_save_stack (mm/kasan/common.c:58) [ 25.415202][ T282] ? kasan_save_stack (mm/kasan/common.c:57) [ 25.415204][ T282] ? kasan_save_track (mm/kasan/common.c:78) [ 25.415206][ T282] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 25.415210][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.415213][ T282] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 25.415216][ T282] ? ___sys_sendmsg (net/socket.c:2758) [ 25.415223][ T282] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.415226][ T282] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.415230][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.415233][ T282] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.415235][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.415237][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.415240][ T282] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 25.415244][ T282] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 25.415247][ T282] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 25.415250][ T282] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.415256][ T282] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 25.415263][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.415267][ T282] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 25.415276][ T282] rtnl_newlink (net/core/rtnetlink.c:4215) [ 25.415285][ T282] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.415288][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.415295][ T282] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.415298][ T282] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.415301][ T282] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.415304][ T282] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.415310][ T282] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.415313][ T282] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.415318][ T282] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.415320][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.415328][ T282] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.415331][ T282] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.415336][ T282] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.415339][ T282] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.415344][ T282] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.415355][ T282] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 25.415358][ T282] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 25.415366][ T282] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.415373][ T282] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.415377][ T282] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.415384][ T282] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.415391][ T282] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.415398][ T282] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.415400][ T282] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 25.415408][ T282] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 25.415413][ T282] ____sys_sendmsg (net/socket.c:2713) [ 25.415416][ T282] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.415420][ T282] ? sock_write_iter (net/socket.c:1269) [ 25.415422][ T282] ? move_addr_to_kernel (net/socket.c:258) [ 25.415436][ T282] ___sys_sendmsg (net/socket.c:2767) [ 25.415440][ T282] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.415470][ T282] __sys_sendmsg (net/socket.c:2799) [ 25.415474][ T282] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.415485][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.415491][ T282] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.415495][ T282] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.415499][ T282] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.415502][ T282] RIP: 0033:0x7f517247f54e [ 25.415507][ T282] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 25.415509][ T282] RSP: 002b:00007fff45707270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.415514][ T282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f517247f54e [ 25.415516][ T282] RDX: 0000000000000000 RSI: 00007fff45707320 RDI: 0000000000000005 [ 25.415517][ T282] RBP: 00007fff45707280 R08: 0000000000000000 R09: 0000000000000000 [ 25.415518][ T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e05f Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars