====================================== | [ 10.721866][ T198] softirqs last disabled at (28807): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.721869][ T198] Preemption disabled at: | [ 10.721870][ T198] 0x0 | [ 10.721883][ T198] Tainted: [W]=WARN [ 10.721884][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.721886][ T198] Call Trace: [ 10.721888][ T198] [ 10.721890][ T198] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.721898][ T198] __might_resched.cold (kernel/sched/core.c:9234) [ 10.721904][ T198] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.721909][ T198] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.721916][ T198] __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)) [ 10.721919][ T198] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.721928][ T198] ? 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) [ 10.721931][ T198] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.721937][ T198] put_chars (drivers/char/virtio_console.c:1176) [ 10.721940][ T198] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.721942][ T198] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.721947][ T198] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.721956][ T198] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.721967][ T198] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.721971][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.721974][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.721980][ T198] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.721986][ T198] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.721988][ T198] ? 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)) [ 10.721993][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.721996][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.722002][ T198] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.722009][ T198] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.722011][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.722020][ T198] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.722025][ T198] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.722027][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.722030][ T198] ? 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) [ 10.722036][ T198] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.722038][ T198] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.722043][ T198] vprintk_emit (kernel/printk/printk.c:2479) [ 10.722048][ T198] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.722053][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.722059][ T198] _printk (kernel/printk/printk.c:2504) [ 10.722064][ T198] ? snapshot_read.cold (user.c:?) [ 10.722068][ T198] ? 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) [ 10.722072][ T198] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.722078][ T198] ? 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) [ 10.722082][ T198] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.722087][ T198] ? exit_notify (kernel/exit.c:780) [ 10.722089][ T198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.722093][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.722099][ T198] do_group_exit (kernel/exit.c:1151) [ 10.722103][ T198] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.722106][ T198] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.722109][ T198] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.722114][ T198] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.722118][ T198] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.722121][ T198] RIP: 0033:0x7f003c8221b8 [ 10.722124][ T198] Code: Unable to access opcode bytes at 0x7f003c82218e. Code starting with the faulting instruction =========================================== [ 10.722126][ T198] RSP: 002b:00007ffefe943f78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.722129][ T198] RAX: ffffffffffffffda RBX: 00007f003c952f88 RCX: 00007f003c8221b8 [ 10.722130][ T198] RDX: 00007f003c56cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.722131][ T198] RBP: 00007ffefe943fd0 R08: 0000000000000000 R09: 0000000000000050 [ 10.722133][ T198] R10: 00007ffefe943d90 R11: 0000000000000246 R12: 0000000000000001 [ 10.722134][ T198] R13: 0000000000000000 R14: 00007f003c951680 R15: 00007f003c952fa0 | [ 12.504121][ T218] softirqs last disabled at (68582): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 12.504124][ T218] Preemption disabled at: | [ 12.504125][ T218] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.504134][ T218] Tainted: [W]=WARN [ 12.504135][ T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.504137][ T218] Call Trace: [ 12.504139][ T218] [ 12.504141][ T218] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.504147][ T218] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.504148][ T218] __might_resched.cold (kernel/sched/core.c:9234) [ 12.504153][ T218] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.504157][ T218] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.504162][ T218] __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)) [ 12.504164][ T218] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.504170][ T218] ? 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) [ 12.504173][ T218] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.504177][ T218] put_chars (drivers/char/virtio_console.c:1176) [ 12.504180][ T218] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.504181][ T218] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 12.504185][ T218] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.504189][ T218] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.504193][ T218] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.504195][ T218] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.504197][ T218] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.504201][ T218] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.504203][ T218] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.504207][ T218] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.504211][ T218] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.504215][ T218] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.504217][ T218] ? 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)) [ 12.504220][ T218] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.504223][ T218] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.504227][ T218] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.504234][ T218] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.504236][ T218] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.504241][ T218] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.504244][ T218] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.504246][ T218] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.504247][ T218] ? 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) [ 12.504251][ T218] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.504253][ T218] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.504255][ T218] vprintk_emit (kernel/printk/printk.c:2479) [ 12.504259][ T218] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.504268][ T218] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.504272][ T218] _printk (kernel/printk/printk.c:2504) [ 12.504276][ T218] ? snapshot_read.cold (user.c:?) [ 12.504277][ T218] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.504281][ T218] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.504283][ T218] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.504286][ T218] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.504290][ T218] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.504293][ T218] ? netdev_notice (net/core/dev.c:13194) [ 12.504295][ T218] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 12.504297][ T218] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.504302][ T218] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.504303][ T218] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.504305][ T218] ? ref_tracker_alloc (lib/ref_tracker.c:283) [ 12.504309][ T218] ? packet_release (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 net/packet/af_packet.c:3176) [ 12.504311][ T218] ? __fput (fs/file_table.c:512) [ 12.504314][ T218] ? 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) [ 12.504317][ T218] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 12.504320][ T218] netif_set_promiscuity (net/core/dev.c:9699) [ 12.504325][ T218] dev_set_promiscuity (net/core/dev_api.c:288) [ 12.504328][ T218] packet_release (net/packet/af_packet.c:3807 net/packet/af_packet.c:3181) [ 12.504332][ T218] ? packet_set_ring (net/packet/af_packet.c:652) [ 12.504336][ T218] ? rwsem_down_write_slowpath (./include/linux/list.h:170) [ 12.504340][ T218] __sock_release (net/socket.c:735) [ 12.504343][ T218] sock_close (net/socket.c:1526 (discriminator 1)) [ 12.504345][ T218] __fput (fs/file_table.c:512) [ 12.504350][ T218] fput_close_sync (fs/file_table.c:617) [ 12.504353][ T218] ? alloc_file_clone (fs/file_table.c:479) [ 12.504355][ T218] ? 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) [ 12.504359][ T218] __x64_sys_close (fs/open.c:1560 fs/open.c:1545 fs/open.c:1545) [ 12.504362][ T218] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.504365][ T218] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.504368][ T218] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.504370][ T218] RIP: 0033:0x7ff90400d54e [ 12.504374][ T218] 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 [ 12.504375][ T218] RSP: 002b:00007ffdf7464cd0 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 12.504378][ T218] RAX: ffffffffffffffda RBX: 0000562ee631e690 RCX: 00007ff90400d54e [ 12.504379][ T218] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 12.504380][ T218] RBP: 00007ffdf7464ce0 R08: 0000000000000000 R09: 0000000000000000 [ 12.504381][ T218] 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