====================================== | [ 10.293170][ T199] softirqs last disabled at (21989): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.293172][ T199] Preemption disabled at: | [ 10.293173][ T199] 0x0 | [ 10.293184][ T199] Tainted: [W]=WARN [ 10.293185][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.293186][ T199] Call Trace: [ 10.293188][ T199] [ 10.293189][ T199] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.293196][ T199] __might_resched.cold (kernel/sched/core.c:9234) [ 10.293200][ T199] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.293205][ T199] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.293209][ T199] __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)) [ 10.293211][ T199] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.293217][ T199] ? 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) [ 10.293220][ T199] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.293224][ T199] put_chars (drivers/char/virtio_console.c:1176) [ 10.293226][ T199] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.293228][ T199] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.293231][ T199] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.293236][ T199] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.293244][ T199] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.293247][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.293249][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.293253][ T199] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.293256][ T199] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.293258][ T199] ? 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)) [ 10.293262][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.293263][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.293267][ T199] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.293271][ T199] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.293273][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.293279][ T199] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.293281][ T199] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.293283][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.293285][ T199] ? 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) [ 10.293289][ T199] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.293291][ T199] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.293293][ T199] vprintk_emit (kernel/printk/printk.c:2479) [ 10.293296][ T199] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.293299][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.293303][ T199] _printk (kernel/printk/printk.c:2504) [ 10.293307][ T199] ? snapshot_read.cold (user.c:?) [ 10.293310][ T199] ? 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) [ 10.293312][ T199] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.293316][ T199] ? 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) [ 10.293319][ T199] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.293323][ T199] ? exit_notify (kernel/exit.c:780) [ 10.293324][ T199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.293327][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.293330][ T199] do_group_exit (kernel/exit.c:1151) [ 10.293333][ T199] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.293335][ T199] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.293337][ T199] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.293341][ T199] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.293344][ T199] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.293347][ T199] RIP: 0033:0x7fd20b0481b8 [ 10.293349][ T199] Code: Unable to access opcode bytes at 0x7fd20b04818e. Code starting with the faulting instruction =========================================== [ 10.293350][ T199] RSP: 002b:00007ffdb0168518 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.293352][ T199] RAX: ffffffffffffffda RBX: 00007fd20b178f88 RCX: 00007fd20b0481b8 [ 10.293354][ T199] RDX: 00007fd20ad92fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.293355][ T199] RBP: 00007ffdb0168570 R08: 0000000000000000 R09: 0000000000000050 [ 10.293355][ T199] R10: 00007ffdb0168330 R11: 0000000000000246 R12: 0000000000000001 [ 10.293356][ T199] R13: 0000000000000000 R14: 00007fd20b177680 R15: 00007fd20b178fa0 | [ 12.034663][ T220] softirqs last disabled at (54032): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 12.034666][ T220] Preemption disabled at: | [ 12.034667][ T220] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.034676][ T220] Tainted: [W]=WARN [ 12.034677][ T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.034679][ T220] Call Trace: [ 12.034680][ T220] [ 12.034682][ T220] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.034689][ T220] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.034691][ T220] __might_resched.cold (kernel/sched/core.c:9234) [ 12.034695][ T220] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.034699][ T220] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.034704][ T220] __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)) [ 12.034706][ T220] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.034713][ T220] ? 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) [ 12.034715][ T220] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.034720][ T220] put_chars (drivers/char/virtio_console.c:1176) [ 12.034722][ T220] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.034723][ T220] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 12.034728][ T220] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.034732][ T220] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.034736][ T220] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.034738][ T220] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.034740][ T220] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.034744][ T220] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.034746][ T220] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.034751][ T220] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.034755][ T220] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.034759][ T220] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.034761][ T220] ? 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)) [ 12.034765][ T220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.034767][ T220] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.034772][ T220] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.034776][ T220] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.034778][ T220] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.034784][ T220] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.034787][ T220] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.034789][ T220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.034791][ T220] ? 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) [ 12.034794][ T220] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.034796][ T220] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.034799][ T220] vprintk_emit (kernel/printk/printk.c:2479) [ 12.034802][ T220] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.034806][ T220] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.034809][ T220] _printk (kernel/printk/printk.c:2504) [ 12.034813][ T220] ? snapshot_read.cold (user.c:?) [ 12.034815][ T220] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.034819][ T220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.034820][ T220] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.034824][ T220] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.034828][ T220] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.034831][ T220] ? netdev_notice (net/core/dev.c:13194) [ 12.034833][ T220] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 12.034835][ T220] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.034840][ T220] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.034842][ T220] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.034844][ T220] ? ref_tracker_alloc (lib/ref_tracker.c:283) [ 12.034847][ T220] ? packet_release (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 net/packet/af_packet.c:3176) [ 12.034849][ T220] ? __fput (fs/file_table.c:512) [ 12.034853][ T220] ? 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) [ 12.034856][ T220] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 12.034859][ T220] netif_set_promiscuity (net/core/dev.c:9699) [ 12.034864][ T220] dev_set_promiscuity (net/core/dev_api.c:288) [ 12.034868][ T220] packet_release (net/packet/af_packet.c:3807 net/packet/af_packet.c:3181) [ 12.034872][ T220] ? packet_set_ring (net/packet/af_packet.c:652) [ 12.034875][ T220] ? rwsem_down_write_slowpath (./include/linux/list.h:170) [ 12.034880][ T220] __sock_release (net/socket.c:735) [ 12.034884][ T220] sock_close (net/socket.c:1526 (discriminator 1)) [ 12.034885][ T220] __fput (fs/file_table.c:512) [ 12.034891][ T220] fput_close_sync (fs/file_table.c:617) [ 12.034893][ T220] ? alloc_file_clone (fs/file_table.c:479) [ 12.034896][ T220] ? 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) [ 12.034900][ T220] __x64_sys_close (fs/open.c:1560 fs/open.c:1545 fs/open.c:1545) [ 12.034903][ T220] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.034906][ T220] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.034909][ T220] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.034911][ T220] RIP: 0033:0x7fc4a516c54e [ 12.034915][ T220] 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 [ 12.034917][ T220] RSP: 002b:00007fffcb97dfb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 12.034920][ T220] RAX: ffffffffffffffda RBX: 00005634f0d9b690 RCX: 00007fc4a516c54e [ 12.034921][ T220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 12.034922][ T220] RBP: 00007fffcb97dfc0 R08: 0000000000000000 R09: 0000000000000000 [ 12.034923][ T220] 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