====================================== | [ 10.669413][ T204] softirqs last disabled at (20751): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.669416][ T204] Preemption disabled at: | [ 10.669416][ T204] 0x0 | [ 10.669427][ T204] Tainted: [W]=WARN [ 10.669428][ T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.669429][ T204] Call Trace: [ 10.669431][ T204] [ 10.669433][ T204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.669439][ T204] __might_resched.cold (kernel/sched/core.c:9234) [ 10.669444][ T204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.669448][ T204] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.669453][ T204] __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)) [ 10.669454][ T204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.669461][ T204] ? 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) [ 10.669464][ T204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.669468][ T204] put_chars (drivers/char/virtio_console.c:1176) [ 10.669470][ T204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.669472][ T204] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.669475][ T204] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.669481][ T204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.669488][ T204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.669491][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.669493][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.669497][ T204] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.669501][ T204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.669503][ T204] ? 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)) [ 10.669506][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.669508][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.669512][ T204] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.669516][ T204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.669518][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.669523][ T204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.669526][ T204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.669528][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.669530][ T204] ? 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) [ 10.669533][ T204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.669535][ T204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.669538][ T204] vprintk_emit (kernel/printk/printk.c:2479) [ 10.669541][ T204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.669544][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.669548][ T204] _printk (kernel/printk/printk.c:2504) [ 10.669551][ T204] ? snapshot_read.cold (user.c:?) [ 10.669554][ T204] ? 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) [ 10.669557][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.669560][ T204] ? 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) [ 10.669563][ T204] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.669567][ T204] ? exit_notify (kernel/exit.c:780) [ 10.669569][ T204] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.669571][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.669575][ T204] do_group_exit (kernel/exit.c:1151) [ 10.669578][ T204] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.669580][ T204] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.669582][ T204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.669586][ T204] ? irq_exit_rcu (kernel/softirq.c:786) [ 10.669589][ T204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.669591][ T204] RIP: 0033:0x7f5d7b8a81b8 [ 10.669593][ T204] Code: Unable to access opcode bytes at 0x7f5d7b8a818e. Code starting with the faulting instruction =========================================== [ 10.669595][ T204] RSP: 002b:00007ffc4ee5c338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.669597][ T204] RAX: ffffffffffffffda RBX: 00007f5d7b9d8f88 RCX: 00007f5d7b8a81b8 [ 10.669598][ T204] RDX: 00007f5d7b5f2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.669599][ T204] RBP: 00007ffc4ee5c390 R08: 0000000000000000 R09: 0000000000000050 [ 10.669600][ T204] R10: 00007ffc4ee5c150 R11: 0000000000000246 R12: 0000000000000001 [ 10.669601][ T204] R13: 0000000000000000 R14: 00007f5d7b9d7680 R15: 00007f5d7b9d8fa0 | [ 12.166948][ T219] softirqs last disabled at (61934): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 12.166951][ T219] Preemption disabled at: | [ 12.166951][ T219] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.166960][ T219] Tainted: [W]=WARN [ 12.166961][ T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.166963][ T219] Call Trace: [ 12.166965][ T219] [ 12.166966][ T219] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.166972][ T219] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.166974][ T219] __might_resched.cold (kernel/sched/core.c:9234) [ 12.166979][ T219] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.166983][ T219] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.166988][ T219] __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)) [ 12.166990][ T219] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.166996][ T219] ? 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) [ 12.166999][ T219] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.167003][ T219] put_chars (drivers/char/virtio_console.c:1176) [ 12.167005][ T219] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.167006][ T219] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 12.167011][ T219] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.167015][ T219] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.167019][ T219] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.167021][ T219] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.167023][ T219] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.167027][ T219] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.167029][ T219] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.167033][ T219] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.167037][ T219] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.167042][ T219] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.167043][ T219] ? 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)) [ 12.167047][ T219] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.167050][ T219] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.167054][ T219] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.167058][ T219] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.167060][ T219] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.167065][ T219] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.167068][ T219] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.167070][ T219] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.167072][ T219] ? 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) [ 12.167075][ T219] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.167077][ T219] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.167080][ T219] vprintk_emit (kernel/printk/printk.c:2479) [ 12.167083][ T219] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.167086][ T219] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.167090][ T219] _printk (kernel/printk/printk.c:2504) [ 12.167093][ T219] ? snapshot_read.cold (user.c:?) [ 12.167095][ T219] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.167098][ T219] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.167100][ T219] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.167104][ T219] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.167108][ T219] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.167111][ T219] ? netdev_notice (net/core/dev.c:13194) [ 12.167112][ T219] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 12.167115][ T219] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.167119][ T219] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.167121][ T219] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.167123][ T219] ? ref_tracker_alloc (lib/ref_tracker.c:283) [ 12.167126][ T219] ? packet_release (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 net/packet/af_packet.c:3176) [ 12.167128][ T219] ? __fput (fs/file_table.c:512) [ 12.167132][ T219] ? 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) [ 12.167141][ T219] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 12.167144][ T219] netif_set_promiscuity (net/core/dev.c:9699) [ 12.167149][ T219] dev_set_promiscuity (net/core/dev_api.c:288) [ 12.167152][ T219] packet_release (net/packet/af_packet.c:3807 net/packet/af_packet.c:3181) [ 12.167157][ T219] ? packet_set_ring (net/packet/af_packet.c:652) [ 12.167160][ T219] ? rwsem_down_write_slowpath (./include/linux/list.h:170) [ 12.167165][ T219] __sock_release (net/socket.c:735) [ 12.167168][ T219] sock_close (net/socket.c:1526 (discriminator 1)) [ 12.167170][ T219] __fput (fs/file_table.c:512) [ 12.167175][ T219] fput_close_sync (fs/file_table.c:617) [ 12.167177][ T219] ? alloc_file_clone (fs/file_table.c:479) [ 12.167180][ T219] ? 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) [ 12.167184][ T219] __x64_sys_close (fs/open.c:1560 fs/open.c:1545 fs/open.c:1545) [ 12.167186][ T219] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.167189][ T219] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.167192][ T219] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.167194][ T219] RIP: 0033:0x7fa67351554e [ 12.167199][ T219] 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 [ 12.167200][ T219] RSP: 002b:00007ffe9a10d700 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 12.167203][ T219] RAX: ffffffffffffffda RBX: 000055c52bccd690 RCX: 00007fa67351554e [ 12.167204][ T219] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 12.167205][ T219] RBP: 00007ffe9a10d710 R08: 0000000000000000 R09: 0000000000000000 [ 12.167206][ T219] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print release_sock:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars