====================================== | [ 9.568680][ T206] softirqs last disabled at (36653): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.568683][ T206] Preemption disabled at: | [ 9.568683][ T206] 0x0 | [ 9.568693][ T206] Tainted: [W]=WARN [ 9.568694][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.568695][ T206] Call Trace: [ 9.568697][ T206] [ 9.568699][ T206] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.568705][ T206] __might_resched.cold (kernel/sched/core.c:9234) [ 9.568710][ T206] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.568714][ T206] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.568718][ T206] __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)) [ 9.568720][ T206] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.568726][ T206] ? 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) [ 9.568729][ T206] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.568733][ T206] put_chars (drivers/char/virtio_console.c:1176) [ 9.568735][ T206] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.568736][ T206] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.568740][ T206] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.568745][ T206] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.568752][ T206] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.568755][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.568757][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.568761][ T206] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.568765][ T206] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.568766][ T206] ? 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)) [ 9.568770][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.568771][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.568775][ T206] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.568780][ T206] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.568782][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.568787][ T206] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.568789][ T206] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.568791][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.568793][ T206] ? 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) [ 9.568797][ T206] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.568798][ T206] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.568801][ T206] vprintk_emit (kernel/printk/printk.c:2479) [ 9.568804][ T206] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.568807][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.568810][ T206] _printk (kernel/printk/printk.c:2504) [ 9.568814][ T206] ? snapshot_read.cold (user.c:?) [ 9.568817][ T206] ? 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) [ 9.568819][ T206] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.568823][ T206] ? 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) [ 9.568826][ T206] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.568829][ T206] ? exit_notify (kernel/exit.c:780) [ 9.568831][ T206] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.568833][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.568837][ T206] do_group_exit (kernel/exit.c:1151) [ 9.568839][ T206] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.568841][ T206] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.568844][ T206] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.568847][ T206] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.568850][ T206] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.568852][ T206] RIP: 0033:0x7fb111bf21b8 [ 9.568854][ T206] Code: Unable to access opcode bytes at 0x7fb111bf218e. Code starting with the faulting instruction =========================================== [ 9.568855][ T206] RSP: 002b:00007fffb6274a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.568858][ T206] RAX: ffffffffffffffda RBX: 00007fb111d22f88 RCX: 00007fb111bf21b8 [ 9.568859][ T206] RDX: 00007fb11193cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.568860][ T206] RBP: 00007fffb6274a80 R08: 0000000000000000 R09: 0000000000000000 [ 9.568861][ T206] R10: 00007fffb6274840 R11: 0000000000000246 R12: 0000000000000001 [ 9.568861][ T206] R13: 0000000000000000 R14: 00007fb111d21680 R15: 00007fb111d22fa0 | [ 10.874863][ T217] softirqs last disabled at (59724): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 10.874866][ T217] Preemption disabled at: | [ 10.874866][ T217] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.874875][ T217] Tainted: [W]=WARN [ 10.874876][ T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.874878][ T217] Call Trace: [ 10.874880][ T217] [ 10.874881][ T217] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.874888][ T217] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.874890][ T217] __might_resched.cold (kernel/sched/core.c:9234) [ 10.874894][ T217] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.874899][ T217] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.874903][ T217] __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)) [ 10.874905][ T217] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.874912][ T217] ? 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) [ 10.874915][ T217] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.874919][ T217] put_chars (drivers/char/virtio_console.c:1176) [ 10.874921][ T217] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.874923][ T217] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 10.874927][ T217] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.874931][ T217] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.874935][ T217] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.874937][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.874939][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.874943][ T217] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.874945][ T217] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.874950][ T217] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.874954][ T217] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.874958][ T217] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.874960][ T217] ? 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)) [ 10.874963][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.874966][ T217] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.874970][ T217] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.874974][ T217] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.874976][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.874982][ T217] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.874985][ T217] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.874987][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.874988][ T217] ? 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) [ 10.874992][ T217] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.874994][ T217] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.874997][ T217] vprintk_emit (kernel/printk/printk.c:2479) [ 10.875000][ T217] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.875003][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.875007][ T217] _printk (kernel/printk/printk.c:2504) [ 10.875011][ T217] ? snapshot_read.cold (user.c:?) [ 10.875012][ T217] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.875016][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.875017][ T217] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.875021][ T217] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.875025][ T217] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.875028][ T217] ? netdev_notice (net/core/dev.c:13194) [ 10.875030][ T217] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 10.875032][ T217] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 10.875037][ T217] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.875038][ T217] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.875041][ T217] ? ref_tracker_alloc (lib/ref_tracker.c:283) [ 10.875044][ T217] ? packet_release (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 net/packet/af_packet.c:3176) [ 10.875046][ T217] ? __fput (fs/file_table.c:512) [ 10.875049][ T217] ? 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) [ 10.875052][ T217] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 10.875055][ T217] netif_set_promiscuity (net/core/dev.c:9699) [ 10.875060][ T217] dev_set_promiscuity (net/core/dev_api.c:288) [ 10.875064][ T217] packet_release (net/packet/af_packet.c:3807 net/packet/af_packet.c:3181) [ 10.875068][ T217] ? packet_set_ring (net/packet/af_packet.c:652) [ 10.875071][ T217] ? rwsem_down_write_slowpath (./include/linux/list.h:170) [ 10.875076][ T217] __sock_release (net/socket.c:735) [ 10.875079][ T217] sock_close (net/socket.c:1526 (discriminator 1)) [ 10.875081][ T217] __fput (fs/file_table.c:512) [ 10.875086][ T217] fput_close_sync (fs/file_table.c:617) [ 10.875089][ T217] ? alloc_file_clone (fs/file_table.c:479) [ 10.875091][ T217] ? 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) [ 10.875096][ T217] __x64_sys_close (fs/open.c:1560 fs/open.c:1545 fs/open.c:1545) [ 10.875098][ T217] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.875101][ T217] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.875104][ T217] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.875107][ T217] RIP: 0033:0x7f2a7312d54e [ 10.875111][ T217] 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 [ 10.875113][ T217] RSP: 002b:00007ffea0fe2b80 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 10.875115][ T217] RAX: ffffffffffffffda RBX: 000055bed1e46690 RCX: 00007f2a7312d54e [ 10.875117][ T217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 10.875118][ T217] RBP: 00007ffea0fe2b90 R08: 0000000000000000 R09: 0000000000000000 [ 10.875118][ T217] 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