====================================== | [ 17.758451][ T449] softirqs last disabled at (24571): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.758454][ T449] Preemption disabled at: | [ 17.758454][ T449] 0x0 | [ 17.758465][ T449] Tainted: [W]=WARN [ 17.758465][ T449] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.758467][ T449] Call Trace: [ 17.758468][ T449] [ 17.758470][ T449] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.758476][ T449] __might_resched.cold (kernel/sched/core.c:9234) [ 17.758481][ T449] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.758485][ T449] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.758489][ T449] __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)) [ 17.758491][ T449] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.758497][ T449] ? 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) [ 17.758500][ T449] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.758504][ T449] put_chars (drivers/char/virtio_console.c:1176) [ 17.758506][ T449] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.758507][ T449] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.758511][ T449] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.758516][ T449] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.758523][ T449] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.758526][ T449] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.758528][ T449] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.758532][ T449] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.758535][ T449] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.758537][ T449] ? 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)) [ 17.758540][ T449] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.758542][ T449] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.758546][ T449] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.758550][ T449] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.758552][ T449] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.758557][ T449] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.758560][ T449] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.758562][ T449] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.758563][ T449] ? 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) [ 17.758567][ T449] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.758569][ T449] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.758571][ T449] vprintk_emit (kernel/printk/printk.c:2479) [ 17.758574][ T449] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.758577][ T449] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.758581][ T449] _printk (kernel/printk/printk.c:2504) [ 17.758585][ T449] ? snapshot_read.cold (user.c:?) [ 17.758587][ T449] ? 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) [ 17.758590][ T449] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.758594][ T449] ? 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) [ 17.758596][ T449] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 17.758600][ T449] ? exit_notify (kernel/exit.c:780) [ 17.758601][ T449] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.758604][ T449] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.758607][ T449] do_group_exit (kernel/exit.c:1151) [ 17.758610][ T449] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 17.758612][ T449] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 17.758617][ T449] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.758621][ T449] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.758624][ T449] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.758626][ T449] RIP: 0033:0x7fe0f3b701b8 [ 17.758628][ T449] Code: Unable to access opcode bytes at 0x7fe0f3b7018e. Code starting with the faulting instruction =========================================== [ 17.758629][ T449] RSP: 002b:00007ffd3543a158 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 17.758632][ T449] RAX: ffffffffffffffda RBX: 00007fe0f3ca0f88 RCX: 00007fe0f3b701b8 [ 17.758633][ T449] RDX: 00007fe0f38b9b48 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 17.758634][ T449] RBP: 00007ffd3543a1b0 R08: 0000000000000000 R09: 0000000000008010 [ 17.758635][ T449] R10: 00007ffd35439f70 R11: 0000000000000246 R12: 0000000000000001 [ 17.758636][ T449] R13: 0000000000000000 R14: 00007fe0f3c9f680 R15: 00007fe0f3ca0fa0 | [ 24.510538][ T709] softirqs last disabled at (33245): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 24.510540][ T709] Preemption disabled at: | [ 24.510541][ T709] 0x0 | [ 24.510551][ T709] Tainted: [W]=WARN [ 24.510552][ T709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.510553][ T709] Call Trace: [ 24.510555][ T709] [ 24.510556][ T709] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.510563][ T709] __might_resched.cold (kernel/sched/core.c:9234) [ 24.510567][ T709] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.510571][ T709] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.510575][ T709] __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)) [ 24.510577][ T709] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.510584][ T709] ? 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) [ 24.510587][ T709] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.510590][ T709] put_chars (drivers/char/virtio_console.c:1176) [ 24.510593][ T709] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.510594][ T709] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.510597][ T709] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.510603][ T709] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.510610][ T709] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.510615][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.510617][ T709] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.510621][ T709] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.510625][ T709] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.510627][ T709] ? 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)) [ 24.510631][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.510632][ T709] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.510637][ T709] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.510641][ T709] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.510643][ T709] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.510648][ T709] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.510651][ T709] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.510653][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.510654][ T709] ? 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) [ 24.510658][ T709] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.510660][ T709] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.510663][ T709] vprintk_emit (kernel/printk/printk.c:2479) [ 24.510666][ T709] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.510669][ T709] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.510673][ T709] _printk (kernel/printk/printk.c:2504) [ 24.510677][ T709] ? snapshot_read.cold (user.c:?) [ 24.510679][ T709] ? 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) [ 24.510682][ T709] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.510686][ T709] ? 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) [ 24.510689][ T709] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 24.510692][ T709] ? exit_notify (kernel/exit.c:780) [ 24.510694][ T709] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.510697][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.510700][ T709] do_group_exit (kernel/exit.c:1151) [ 24.510703][ T709] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 24.510705][ T709] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 24.510707][ T709] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.510712][ T709] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.510715][ T709] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.510717][ T709] RIP: 0033:0x7f07f48721b8 [ 24.510719][ T709] Code: Unable to access opcode bytes at 0x7f07f487218e. Code starting with the faulting instruction =========================================== [ 24.510720][ T709] RSP: 002b:00007ffc83d16bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 24.510722][ T709] RAX: ffffffffffffffda RBX: 00007f07f49a2f88 RCX: 00007f07f48721b8 [ 24.510723][ T709] RDX: 00007f07f45bcfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 24.510724][ T709] RBP: 00007ffc83d16c30 R08: 0000000000000000 R09: 0000000000000050 [ 24.510725][ T709] R10: 00007ffc83d169f0 R11: 0000000000000246 R12: 0000000000000001 [ 24.510726][ T709] R13: 0000000000000000 R14: 00007f07f49a1680 R15: 00007f07f49a2fa0 | [ 42.956014][ T1379] softirqs last disabled at (14968): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 42.956016][ T1379] Preemption disabled at: | [ 42.956017][ T1379] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.956026][ T1379] Tainted: [W]=WARN [ 42.956027][ T1379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.956028][ T1379] Call Trace: [ 42.956030][ T1379] [ 42.956032][ T1379] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.956038][ T1379] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.956039][ T1379] __might_resched.cold (kernel/sched/core.c:9234) [ 42.956044][ T1379] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.956048][ T1379] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 42.956053][ T1379] __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)) [ 42.956055][ T1379] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.956061][ T1379] ? 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) [ 42.956064][ T1379] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.956068][ T1379] put_chars (drivers/char/virtio_console.c:1176) [ 42.956070][ T1379] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.956073][ T1379] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 42.956079][ T1379] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.956087][ T1379] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.956090][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956092][ T1379] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.956097][ T1379] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.956100][ T1379] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.956102][ T1379] ? 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)) [ 42.956106][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956107][ T1379] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.956111][ T1379] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.956116][ T1379] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.956118][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.956123][ T1379] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.956126][ T1379] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.956128][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956130][ T1379] ? 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) [ 42.956134][ T1379] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.956135][ T1379] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.956138][ T1379] vprintk_emit (kernel/printk/printk.c:2479) [ 42.956141][ T1379] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.956143][ T1379] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.956145][ T1379] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 42.956149][ T1379] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 42.956153][ T1379] _printk (kernel/printk/printk.c:2504) [ 42.956156][ T1379] ? snapshot_read.cold (user.c:?) [ 42.956160][ T1379] ? br_multicast_flood (??:?) [ 42.956164][ T1379] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 42.956165][ T1379] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.956166][ T1379] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.956171][ T1379] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 42.956176][ T1379] br_init_port (net/bridge/br_stp_if.c:39) [ 42.956178][ T1379] new_nbp (net/bridge/br_if.c:449) [ 42.956182][ T1379] br_add_if (net/bridge/br_if.c:592) [ 42.956185][ T1379] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 42.956188][ T1379] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 42.956194][ T1379] do_set_master (net/core/rtnetlink.c:3071) [ 42.956198][ T1379] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 42.956202][ T1379] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 42.956205][ T1379] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 42.956206][ T1379] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 42.956209][ T1379] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 42.956213][ T1379] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.956215][ T1379] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.956217][ T1379] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.956219][ T1379] ? kasan_save_stack (mm/kasan/common.c:58) [ 42.956222][ T1379] ? kasan_save_stack (mm/kasan/common.c:57) [ 42.956223][ T1379] ? kasan_save_track (mm/kasan/common.c:78) [ 42.956224][ T1379] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 42.956227][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.956228][ T1379] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 42.956231][ T1379] ? ___sys_sendmsg (net/socket.c:2758) [ 42.956235][ T1379] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.956237][ T1379] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.956240][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956242][ T1379] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.956243][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956244][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956246][ T1379] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 42.956249][ T1379] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 42.956250][ T1379] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.956252][ T1379] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.956256][ T1379] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 42.956257][ T1379] ? nla_get_range_signed (lib/nlattr.c:270) [ 42.956262][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956264][ T1379] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 42.956269][ T1379] rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.956275][ T1379] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.956277][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.956281][ T1379] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.956283][ T1379] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.956285][ T1379] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.956287][ T1379] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.956291][ T1379] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.956293][ T1379] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.956296][ T1379] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.956297][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.956302][ T1379] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.956304][ T1379] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.956308][ T1379] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.956311][ T1379] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.956314][ T1379] ? netlink_ack (./include/linux/skbuff.h:2718) [ 42.956320][ T1379] ? 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)) [ 42.956323][ T1379] ? 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)) [ 42.956327][ T1379] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.956331][ T1379] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.956334][ T1379] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.956338][ T1379] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.956342][ T1379] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.956346][ T1379] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.956348][ T1379] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 42.956353][ T1379] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 42.956356][ T1379] ____sys_sendmsg (net/socket.c:2713) [ 42.956358][ T1379] ? copy_msghdr_from_user (net/socket.c:2650) [ 42.956361][ T1379] ? sock_write_iter (net/socket.c:1269) [ 42.956362][ T1379] ? move_addr_to_kernel (net/socket.c:258) [ 42.956370][ T1379] ___sys_sendmsg (net/socket.c:2767) [ 42.956373][ T1379] ? copy_msghdr_from_user (net/socket.c:2619) [ 42.956390][ T1379] __sys_sendmsg (net/socket.c:2799) [ 42.956393][ T1379] ? __sys_sendmsg_sock (net/socket.c:2780) [ 42.956399][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956403][ T1379] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.956406][ T1379] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.956409][ T1379] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.956411][ T1379] RIP: 0033:0x7f1a116c654e [ 42.956415][ T1379] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 42.956417][ T1379] RSP: 002b:00007ffed26a4620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.956419][ T1379] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1a116c654e [ 42.956421][ T1379] RDX: 0000000000000000 RSI: 00007ffed26a46d0 RDI: 0000000000000005 [ 42.956422][ T1379] RBP: 00007ffed26a4630 R08: 0000000000000000 R09: 0000000000000000 [ 42.956423][ T1379] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b0cd Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars