====================================== | [ 21.994963][ T812] softirqs last disabled at (22889): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 21.994965][ T812] Preemption disabled at: | [ 21.994966][ T812] 0x0 | [ 21.994975][ T812] Tainted: [W]=WARN [ 21.994976][ T812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.994978][ T812] Call Trace: [ 21.994980][ T812] [ 21.994981][ T812] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.994987][ T812] __might_resched.cold (kernel/sched/core.c:9234) [ 21.994992][ T812] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.994996][ T812] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.995000][ T812] __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)) [ 21.995002][ T812] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.995008][ T812] ? 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) [ 21.995011][ T812] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.995015][ T812] put_chars (drivers/char/virtio_console.c:1176) [ 21.995017][ T812] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.995018][ T812] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.995022][ T812] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.995027][ T812] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.995035][ T812] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.995037][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.995039][ T812] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.995043][ T812] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.995047][ T812] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.995049][ T812] ? 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)) [ 21.995052][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.995054][ T812] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.995058][ T812] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.995062][ T812] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.995064][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.995069][ T812] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.995072][ T812] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.995073][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.995075][ T812] ? 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) [ 21.995079][ T812] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.995080][ T812] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.995083][ T812] vprintk_emit (kernel/printk/printk.c:2479) [ 21.995086][ T812] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.995089][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.995093][ T812] _printk (kernel/printk/printk.c:2504) [ 21.995096][ T812] ? snapshot_read.cold (user.c:?) [ 21.995099][ T812] ? 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) [ 21.995101][ T812] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.995105][ T812] ? 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) [ 21.995108][ T812] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 21.995111][ T812] ? exit_notify (kernel/exit.c:780) [ 21.995113][ T812] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.995115][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.995119][ T812] do_group_exit (kernel/exit.c:1151) [ 21.995122][ T812] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 21.995124][ T812] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 21.995126][ T812] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.995130][ T812] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.995133][ T812] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.995135][ T812] RIP: 0033:0x7f03798271b8 [ 21.995137][ T812] Code: Unable to access opcode bytes at 0x7f037982718e. Code starting with the faulting instruction =========================================== [ 21.995138][ T812] RSP: 002b:00007ffd0e957b48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 21.995141][ T812] RAX: ffffffffffffffda RBX: 00007f0379957f88 RCX: 00007f03798271b8 [ 21.995142][ T812] RDX: 00007f0379571fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 21.995143][ T812] RBP: 00007ffd0e957ba0 R08: 0000000000000000 R09: 0000000000000050 [ 21.995144][ T812] R10: 00007ffd0e957960 R11: 0000000000000246 R12: 0000000000000001 [ 21.995145][ T812] R13: 0000000000000000 R14: 00007f0379956680 R15: 00007f0379957fa0 | [ 30.929218][ T1251] softirqs last disabled at (22295): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 30.929221][ T1251] Preemption disabled at: | [ 30.929221][ T1251] 0x0 | [ 30.929231][ T1251] Tainted: [W]=WARN [ 30.929232][ T1251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.929233][ T1251] Call Trace: [ 30.929235][ T1251] [ 30.929236][ T1251] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.929242][ T1251] __might_resched.cold (kernel/sched/core.c:9234) [ 30.929246][ T1251] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.929251][ T1251] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.929255][ T1251] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 30.929257][ T1251] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.929263][ T1251] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 30.929266][ T1251] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.929269][ T1251] put_chars (drivers/char/virtio_console.c:1176) [ 30.929272][ T1251] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.929273][ T1251] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.929276][ T1251] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.929281][ T1251] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.929289][ T1251] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.929292][ T1251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.929294][ T1251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.929297][ T1251] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.929301][ T1251] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.929303][ T1251] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 30.929306][ T1251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.929308][ T1251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.929312][ T1251] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.929316][ T1251] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.929318][ T1251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.929323][ T1251] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.929326][ T1251] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.929328][ T1251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.929329][ T1251] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 30.929333][ T1251] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.929335][ T1251] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.929338][ T1251] vprintk_emit (kernel/printk/printk.c:2479) [ 30.929341][ T1251] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.929344][ T1251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.929347][ T1251] _printk (kernel/printk/printk.c:2504) [ 30.929351][ T1251] ? snapshot_read.cold (user.c:?) [ 30.929353][ T1251] ? 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) [ 30.929356][ T1251] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.929360][ T1251] ? 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) [ 30.929363][ T1251] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 30.929366][ T1251] ? exit_notify (kernel/exit.c:780) [ 30.929367][ T1251] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.929370][ T1251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.929374][ T1251] do_group_exit (kernel/exit.c:1151) [ 30.929376][ T1251] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 30.929378][ T1251] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 30.929381][ T1251] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.929385][ T1251] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.929388][ T1251] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.929390][ T1251] RIP: 0033:0x7f045c6911b8 [ 30.929392][ T1251] Code: Unable to access opcode bytes at 0x7f045c69118e. Code starting with the faulting instruction =========================================== [ 30.929393][ T1251] RSP: 002b:00007ffc9dd41a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 30.929395][ T1251] RAX: ffffffffffffffda RBX: 00007f045c7c1f88 RCX: 00007f045c6911b8 [ 30.929396][ T1251] RDX: 00007f045c3dbfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 30.929397][ T1251] RBP: 00007ffc9dd41ae0 R08: 0000000000000000 R09: 0000000000000050 [ 30.929398][ T1251] R10: 00007ffc9dd418a0 R11: 0000000000000246 R12: 0000000000000001 [ 30.929399][ T1251] R13: 0000000000000000 R14: 00007f045c7c0680 R15: 00007f045c7c1fa0 | [ 33.567443][ T1378] softirqs last disabled at (15573): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 33.567446][ T1378] Preemption disabled at: | [ 33.567446][ T1378] vprintk_emit (kernel/printk/printk.c:2471) | [ 33.567454][ T1378] Tainted: [W]=WARN [ 33.567455][ T1378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.567457][ T1378] Call Trace: [ 33.567458][ T1378] [ 33.567460][ T1378] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.567465][ T1378] ? vprintk_emit (kernel/printk/printk.c:2471) [ 33.567467][ T1378] __might_resched.cold (kernel/sched/core.c:9234) [ 33.567471][ T1378] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.567475][ T1378] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.567480][ T1378] __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)) [ 33.567482][ T1378] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.567490][ T1378] ? 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) [ 33.567497][ T1378] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.567500][ T1378] put_chars (drivers/char/virtio_console.c:1176) [ 33.567503][ T1378] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.567505][ T1378] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 33.567511][ T1378] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.567518][ T1378] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.567521][ T1378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.567524][ T1378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.567528][ T1378] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.567531][ T1378] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.567533][ T1378] ? 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)) [ 33.567536][ T1378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.567538][ T1378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.567542][ T1378] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.567546][ T1378] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.567547][ T1378] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.567553][ T1378] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.567555][ T1378] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.567557][ T1378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.567559][ T1378] ? 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) [ 33.567562][ T1378] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.567564][ T1378] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.567567][ T1378] vprintk_emit (kernel/printk/printk.c:2479) [ 33.567570][ T1378] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.567571][ T1378] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.567573][ T1378] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 33.567577][ T1378] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 33.567581][ T1378] _printk (kernel/printk/printk.c:2504) [ 33.567584][ T1378] ? snapshot_read.cold (user.c:?) [ 33.567587][ T1378] ? br_multicast_flood (??:?) [ 33.567591][ T1378] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 33.567592][ T1378] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 33.567593][ T1378] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 33.567597][ T1378] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 33.567601][ T1378] br_init_port (net/bridge/br_stp_if.c:39) [ 33.567603][ T1378] new_nbp (net/bridge/br_if.c:449) [ 33.567607][ T1378] br_add_if (net/bridge/br_if.c:592) [ 33.567610][ T1378] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 33.567613][ T1378] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 33.567619][ T1378] do_set_master (net/core/rtnetlink.c:3071) [ 33.567622][ T1378] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 33.567625][ T1378] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 33.567629][ T1378] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 33.567630][ T1378] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 33.567633][ T1378] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 33.567636][ T1378] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.567638][ T1378] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.567640][ T1378] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.567642][ T1378] ? kasan_save_stack (mm/kasan/common.c:58) [ 33.567645][ T1378] ? kasan_save_stack (mm/kasan/common.c:57) [ 33.567646][ T1378] ? kasan_save_track (mm/kasan/common.c:78) [ 33.567647][ T1378] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 33.567649][ T1378] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.567651][ T1378] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 33.567654][ T1378] ? ___sys_sendmsg (net/socket.c:2758) [ 33.567657][ T1378] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.567659][ T1378] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 33.567662][ T1378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.567663][ T1378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.567665][ T1378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.567666][ T1378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.567668][ T1378] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 33.567670][ T1378] ? __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) [ 33.567671][ T1378] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 33.567673][ T1378] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 33.567677][ T1378] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 33.567678][ T1378] ? nla_get_range_signed (lib/nlattr.c:270) [ 33.567682][ T1378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.567684][ T1378] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 33.567689][ T1378] rtnl_newlink (net/core/rtnetlink.c:4215) [ 33.567695][ T1378] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 33.567696][ T1378] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.567701][ T1378] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.567703][ T1378] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.567705][ T1378] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 33.567706][ T1378] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.567710][ T1378] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 33.567712][ T1378] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 33.567715][ T1378] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 33.567716][ T1378] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.567720][ T1378] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.567722][ T1378] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.567726][ T1378] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 33.567729][ T1378] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 33.567732][ T1378] ? netlink_ack (./include/linux/skbuff.h:2718) [ 33.567738][ T1378] ? 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)) [ 33.567739][ T1378] ? 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)) [ 33.567744][ T1378] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 33.567748][ T1378] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 33.567750][ T1378] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.567754][ T1378] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 33.567758][ T1378] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.567761][ T1378] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.567763][ T1378] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 33.567768][ T1378] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 33.567771][ T1378] ____sys_sendmsg (net/socket.c:2713) [ 33.567773][ T1378] ? copy_msghdr_from_user (net/socket.c:2650) [ 33.567775][ T1378] ? sock_write_iter (net/socket.c:1269) [ 33.567777][ T1378] ? move_addr_to_kernel (net/socket.c:258) [ 33.567784][ T1378] ___sys_sendmsg (net/socket.c:2767) [ 33.567786][ T1378] ? copy_msghdr_from_user (net/socket.c:2619) [ 33.567801][ T1378] __sys_sendmsg (net/socket.c:2799) [ 33.567804][ T1378] ? __sys_sendmsg_sock (net/socket.c:2780) [ 33.567810][ T1378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.567813][ T1378] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.567816][ T1378] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.567819][ T1378] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.567821][ T1378] RIP: 0033:0x7ff18a10f54e [ 33.567825][ T1378] 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 [ 33.567826][ T1378] RSP: 002b:00007fff9631f340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.567829][ T1378] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff18a10f54e [ 33.567830][ T1378] RDX: 0000000000000000 RSI: 00007fff9631f3f0 RDI: 0000000000000005 [ 33.567831][ T1378] RBP: 00007fff9631f350 R08: 0000000000000000 R09: 0000000000000000 [ 33.567832][ T1378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919a0c Finger prints: do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print