====================================== | [ 11.735245][ T184] softirqs last disabled at (29726): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.735247][ T184] Preemption disabled at: | [ 11.735248][ T184] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.735257][ T184] Tainted: [W]=WARN [ 11.735258][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.735260][ T184] Call Trace: [ 11.735261][ T184] [ 11.735263][ T184] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.735269][ T184] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.735271][ T184] __might_resched.cold (kernel/sched/core.c:9234) [ 11.735276][ T184] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.735280][ T184] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.735286][ T184] __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)) [ 11.735289][ T184] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.735295][ T184] ? 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) [ 11.735298][ T184] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.735302][ T184] put_chars (drivers/char/virtio_console.c:1176) [ 11.735306][ T184] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.735310][ T184] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.735315][ T184] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.735319][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.735324][ T184] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.735328][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.735340][ T184] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.735344][ T184] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.735349][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.735351][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.735355][ T184] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.735360][ T184] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.735362][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.735368][ T184] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.735371][ T184] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.735374][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.735376][ T184] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.735380][ T184] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.735382][ T184] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.735385][ T184] vprintk_emit (kernel/printk/printk.c:2479) [ 11.735389][ T184] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.735391][ T184] ? write_profile (profile.c:?) [ 11.735394][ T184] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 11.735401][ T184] dev_vprintk_emit (drivers/base/core.c:5000) [ 11.735406][ T184] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 11.735411][ T184] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 11.735417][ T184] dev_printk_emit (drivers/base/core.c:5011) [ 11.735420][ T184] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 11.735424][ T184] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 11.735430][ T184] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 11.735436][ T184] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.735439][ T184] ? netdev_notice (net/core/dev.c:13194) [ 11.735441][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.735445][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.735448][ T184] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.735452][ T184] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.735454][ T184] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.735458][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.735460][ T184] ? mark_lock_irq (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:4092 (discriminator 6) kernel/locking/lockdep.c:4174 (discriminator 6) kernel/locking/lockdep.c:4310 (discriminator 6)) [ 11.735462][ T184] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 11.735465][ T184] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.735468][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.735471][ T184] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.735477][ T184] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.735480][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.735483][ T184] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.735485][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.735487][ T184] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.735490][ T184] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.735492][ T184] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.735497][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.735503][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.735505][ T184] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.735508][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.735510][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.735512][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.735513][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.735515][ T184] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.735518][ T184] ? __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) [ 11.735521][ T184] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.735523][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.735526][ T184] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.735529][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.735532][ T184] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.735534][ T184] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.735540][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.735544][ T184] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.735552][ T184] rtnl_setlink (net/core/rtnetlink.c:3596) [ 11.735556][ T184] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.735557][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.735584][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.735586][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.735589][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.735591][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.735593][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.735598][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.735600][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.735602][ T184] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.735605][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.735609][ T184] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.735611][ T184] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.735615][ T184] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.735617][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.735622][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.735624][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.735627][ T184] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.735631][ T184] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.735634][ T184] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.735641][ T184] ? 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)) [ 11.735643][ T184] ? 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)) [ 11.735648][ T184] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.735653][ T184] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.735655][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.735660][ T184] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.735665][ T184] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.735669][ T184] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.735672][ T184] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.735677][ T184] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 11.735680][ T184] ? __ia32_sys_getpeername (net/socket.c:2235) [ 11.735691][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 11.735697][ T184] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 11.735699][ T184] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.735702][ T184] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.735704][ T184] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 11.735706][ T184] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.735708][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.735711][ T184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.735714][ T184] RIP: 0033:0x7f33618f054e [ 11.735718][ T184] 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 [ 11.735720][ T184] RSP: 002b:00007fffb0afa1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 11.735722][ T184] RAX: ffffffffffffffda RBX: 000055a208efa450 RCX: 00007f33618f054e [ 11.735724][ T184] RDX: 0000000000000030 RSI: 000055a208e850f0 RDI: 0000000000000019 [ 11.735724][ T184] RBP: 00007fffb0afa1c0 R08: 00007fffb0afa210 R09: 0000000000000080 [ 11.735725][ T184] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a208eabb80 [ 11.735726][ T184] R13: 00007fffb0afa2f4 R14: 0000000000000000 R15: 0000000000000000 | [ 14.910460][ T228] softirqs last disabled at (52508): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 14.910465][ T228] Preemption disabled at: | [ 14.910466][ T228] 0x0 | [ 14.910480][ T228] Tainted: [W]=WARN [ 14.910481][ T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.910484][ T228] Call Trace: [ 14.910486][ T228] [ 14.910489][ T228] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.910497][ T228] __might_resched.cold (kernel/sched/core.c:9234) [ 14.910504][ T228] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.910509][ T228] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.910518][ T228] __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)) [ 14.910522][ T228] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.910531][ T228] ? 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) [ 14.910535][ T228] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.910541][ T228] put_chars (drivers/char/virtio_console.c:1176) [ 14.910546][ T228] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.910551][ T228] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.910556][ T228] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.910561][ T228] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.910568][ T228] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.910572][ T228] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.910576][ T228] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.910578][ T228] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.910586][ T228] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.910589][ T228] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.910597][ T228] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.910604][ T228] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.910611][ T228] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.910619][ T228] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.910623][ T228] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.910630][ T228] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.910638][ T228] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.910641][ T228] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.910651][ T228] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.910655][ T228] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.910658][ T228] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.910662][ T228] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.910668][ T228] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.910671][ T228] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.910676][ T228] vprintk_emit (kernel/printk/printk.c:2479) [ 14.910682][ T228] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.910687][ T228] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.910694][ T228] _printk (kernel/printk/printk.c:2504) [ 14.910699][ T228] ? snapshot_read.cold (user.c:?) [ 14.910704][ T228] ? 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) [ 14.910708][ T228] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.910715][ T228] ? 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) [ 14.910720][ T228] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.910725][ T228] ? exit_notify (kernel/exit.c:780) [ 14.910728][ T228] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.910733][ T228] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.910736][ T228] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.910742][ T228] do_group_exit (kernel/exit.c:1151) [ 14.910745][ T228] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 14.910748][ T228] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.910752][ T228] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 14.910755][ T228] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 14.910758][ T228] get_signal (kernel/signal.c:3039) [ 14.910766][ T228] ? new_sync_read (fs/read_write.c:493) [ 14.910776][ T228] ? ptrace_signal (./include/linux/signal.h:87) [ 14.910781][ T228] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.910789][ T228] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 14.910794][ T228] ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100) [ 14.910799][ T228] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 14.910809][ T228] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.910813][ T228] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.910818][ T228] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 14.910822][ T228] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.910828][ T228] do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:336 arch/x86/entry/syscall_64.c:89) [ 14.910831][ T228] ? irq_exit_rcu (kernel/softirq.c:786) [ 14.910836][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.910839][ T228] RIP: 0033:0x7f013aa58312 [ 14.910843][ T228] Code: Unable to access opcode bytes at 0x7f013aa582e8. Code starting with the faulting instruction =========================================== [ 14.910845][ T228] RSP: 002b:00007f013802ac98 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 14.910848][ T228] RAX: fffffffffffffe00 RBX: 0000000000002dec RCX: 00007f013aa58312 [ 14.910850][ T228] RDX: 0000000000002dec RSI: 00007f013a1ad214 RDI: 000000000000000e [ 14.910852][ T228] RBP: 00007f013802acc0 R08: 0000000000000000 R09: 0000000000000000 [ 14.910853][ T228] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000020000 [ 14.910855][ T228] R13: 000000000000000e R14: 0000000000000000 R15: 00007f013a1ad214 | [ 15.984508][ T184] softirqs last disabled at (157574): unix_release_sock (./include/net/sock.h:2138 net/unix/af_unix.c:678) | [ 15.984511][ T184] Preemption disabled at: | [ 15.984511][ T184] 0x0 | [ 15.984522][ T184] Tainted: [W]=WARN [ 15.984523][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.984525][ T184] Call Trace: [ 15.984526][ T184] [ 15.984528][ T184] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.984534][ T184] __might_resched.cold (kernel/sched/core.c:9234) [ 15.984539][ T184] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.984544][ T184] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.984549][ T184] __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)) [ 15.984552][ T184] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.984559][ T184] ? 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) [ 15.984561][ T184] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.984565][ T184] put_chars (drivers/char/virtio_console.c:1176) [ 15.984568][ T184] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.984570][ T184] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 15.984574][ T184] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.984577][ T184] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.984582][ T184] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.984585][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.984587][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.984592][ T184] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.984595][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.984597][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.984602][ T184] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.984606][ T184] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.984610][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.984612][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.984616][ T184] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.984621][ T184] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.984623][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.984628][ T184] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.984631][ T184] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.984633][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.984635][ T184] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.984639][ T184] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.984641][ T184] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.984643][ T184] vprintk_emit (kernel/printk/printk.c:2479) [ 15.984647][ T184] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.984650][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.984653][ T184] _printk (kernel/printk/printk.c:2504) [ 15.984657][ T184] ? snapshot_read.cold (user.c:?) [ 15.984660][ T184] ? 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) [ 15.984663][ T184] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.984667][ T184] ? 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) [ 15.984670][ T184] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.984674][ T184] ? exit_notify (kernel/exit.c:780) [ 15.984675][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.984678][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.984681][ T184] do_group_exit (kernel/exit.c:1151) [ 15.984684][ T184] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.984686][ T184] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.984689][ T184] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.984692][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.984695][ T184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.984697][ T184] RIP: 0033:0x7f33619411b8 [ 15.984700][ T184] Code: Unable to access opcode bytes at 0x7f336194118e. Code starting with the faulting instruction =========================================== [ 15.984701][ T184] RSP: 002b:00007fffb0afa708 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 15.984704][ T184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f33619411b8 [ 15.984705][ T184] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 15.984706][ T184] RBP: 00007fffb0afa890 R08: 000055a208eb4248 R09: 0000000000000000 [ 15.984707][ T184] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print unix_release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars