====================================== | [ 10.591529][ T184] softirqs last disabled at (22154): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.591532][ T184] Preemption disabled at: | [ 10.591532][ T184] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.591541][ T184] Tainted: [W]=WARN [ 10.591542][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.591544][ T184] Call Trace: [ 10.591545][ T184] [ 10.591547][ T184] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.591553][ T184] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.591554][ T184] __might_resched.cold (kernel/sched/core.c:9234) [ 10.591559][ T184] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.591563][ 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) [ 10.591569][ 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)) [ 10.591571][ T184] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.591578][ 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) [ 10.591580][ T184] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.591584][ T184] put_chars (drivers/char/virtio_console.c:1176) [ 10.591587][ T184] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.591591][ T184] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.591597][ T184] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.591600][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.591605][ T184] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.591608][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.591614][ T184] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.591618][ T184] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.591623][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.591625][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.591629][ T184] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.591633][ T184] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.591635][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.591641][ T184] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.591644][ T184] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.591646][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.591647][ T184] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.591651][ T184] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.591653][ T184] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.591656][ T184] vprintk_emit (kernel/printk/printk.c:2479) [ 10.591659][ T184] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.591661][ T184] ? write_profile (profile.c:?) [ 10.591664][ T184] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.591670][ T184] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.591675][ T184] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.591680][ T184] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.591685][ T184] dev_printk_emit (drivers/base/core.c:5011) [ 10.591688][ T184] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.591692][ T184] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.591698][ T184] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.591703][ T184] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.591706][ T184] ? netdev_notice (net/core/dev.c:13194) [ 10.591708][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.591712][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.591714][ T184] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.591718][ T184] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.591720][ T184] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.591723][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.591725][ 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)) [ 10.591727][ T184] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.591730][ T184] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.591733][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.591736][ T184] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.591741][ T184] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.591744][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.591747][ T184] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.591749][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.591751][ T184] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.591753][ T184] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.591756][ T184] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.591761][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.591766][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.591768][ T184] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.591771][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.591775][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.591777][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.591779][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.591781][ T184] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.591783][ 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) [ 10.591787][ T184] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.591788][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.591791][ T184] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.591793][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.591796][ T184] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.591798][ T184] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.591804][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.591807][ T184] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.591815][ T184] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.591819][ T184] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.591820][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.591844][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.591846][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.591849][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.591851][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.591853][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.591857][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.591859][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.591861][ T184] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.591864][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.591868][ T184] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.591870][ T184] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.591874][ T184] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.591875][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.591880][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.591882][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.591886][ T184] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.591889][ T184] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.591892][ T184] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.591899][ 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)) [ 10.591901][ 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)) [ 10.591906][ T184] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.591910][ T184] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.591912][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.591917][ T184] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.591922][ T184] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.591925][ T184] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.591929][ T184] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.591933][ T184] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.591936][ T184] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.591947][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.591952][ T184] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.591954][ T184] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.591957][ T184] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.591959][ T184] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.591961][ T184] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.591963][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.591966][ T184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.591968][ T184] RIP: 0033:0x7f820774a54e [ 10.591972][ 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 [ 10.591974][ T184] RSP: 002b:00007ffe30656a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.591976][ T184] RAX: ffffffffffffffda RBX: 0000560b0e01da70 RCX: 00007f820774a54e [ 10.591978][ T184] RDX: 0000000000000030 RSI: 0000560b0de90f40 RDI: 0000000000000018 [ 10.591979][ T184] RBP: 00007ffe30656aa0 R08: 00007ffe30656af0 R09: 0000000000000080 [ 10.591979][ T184] R10: 0000000000000000 R11: 0000000000000202 R12: 0000560b0dffbeb0 [ 10.591980][ T184] R13: 00007ffe30656bd4 R14: 0000000000000000 R15: 0000000000000000 | [ 13.400665][ T223] softirqs last disabled at (11426): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 13.400669][ T223] Preemption disabled at: | [ 13.400670][ T223] 0x0 | [ 13.400681][ T223] Tainted: [W]=WARN [ 13.400682][ T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.400684][ T223] Call Trace: [ 13.400686][ T223] [ 13.400688][ T223] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.400694][ T223] __might_resched.cold (kernel/sched/core.c:9234) [ 13.400699][ T223] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.400704][ T223] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.400710][ T223] __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)) [ 13.400714][ T223] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.400721][ T223] ? 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) [ 13.400724][ T223] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.400728][ T223] put_chars (drivers/char/virtio_console.c:1176) [ 13.400732][ T223] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.400736][ T223] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.400740][ T223] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.400744][ T223] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.400748][ T223] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.400752][ T223] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.400754][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.400756][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.400761][ T223] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.400762][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.400767][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.400771][ T223] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.400781][ T223] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.400786][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.400789][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.400794][ T223] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.400798][ T223] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.400800][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.400806][ T223] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.400809][ T223] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.400811][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.400813][ T223] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.400817][ T223] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.400819][ T223] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.400822][ T223] vprintk_emit (kernel/printk/printk.c:2479) [ 13.400825][ T223] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.400829][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.400833][ T223] _printk (kernel/printk/printk.c:2504) [ 13.400837][ T223] ? snapshot_read.cold (user.c:?) [ 13.400840][ T223] ? 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) [ 13.400843][ T223] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.400847][ T223] ? 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) [ 13.400850][ T223] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.400854][ T223] ? exit_notify (kernel/exit.c:780) [ 13.400855][ T223] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.400858][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.400860][ T223] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.400864][ T223] do_group_exit (kernel/exit.c:1151) [ 13.400865][ T223] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 13.400867][ T223] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.400870][ T223] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 13.400872][ T223] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 13.400874][ T223] get_signal (kernel/signal.c:3039) [ 13.400878][ T223] ? ____sys_recvmsg (net/socket.c:1151 (discriminator 3)) [ 13.400883][ T223] ? new_sync_read (./include/linux/ioprio.h:41) [ 13.400887][ T223] ? ptrace_signal (./include/linux/signal.h:87) [ 13.400890][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.400894][ T223] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 13.400898][ T223] ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100) [ 13.400902][ T223] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 13.400907][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.400909][ T223] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.400913][ T223] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 13.400916][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.400919][ T223] 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) [ 13.400922][ T223] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.400924][ T223] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.400927][ T223] RIP: 0033:0x7f81f2c44312 [ 13.400929][ T223] Code: Unable to access opcode bytes at 0x7f81f2c442e8. Code starting with the faulting instruction =========================================== [ 13.400930][ T223] RSP: 002b:00007f81f0a17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 13.400932][ T223] RAX: 00000000000188d8 RBX: 0000000000020000 RCX: 00007f81f2c44312 [ 13.400934][ T223] RDX: 0000000000020000 RSI: 00007f81f239c000 RDI: 000000000000000b [ 13.400935][ T223] RBP: 00007f81f0a17ca0 R08: 0000000000000000 R09: 0000000000000000 [ 13.400935][ T223] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81f239c000 [ 13.400936][ T223] R13: 000000000000000b R14: 0000000000020000 R15: 00005619b2cba3d0 | [ 15.542707][ T184] softirqs last disabled at (140884): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 15.542709][ T184] Preemption disabled at: | [ 15.542710][ T184] 0x0 | [ 15.542720][ T184] Tainted: [W]=WARN [ 15.542721][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.542723][ T184] Call Trace: [ 15.542725][ T184] [ 15.542727][ T184] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.542733][ T184] __might_resched.cold (kernel/sched/core.c:9234) [ 15.542738][ T184] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.542743][ 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) [ 15.542748][ 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)) [ 15.542751][ T184] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.542757][ 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) [ 15.542760][ T184] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.542763][ T184] put_chars (drivers/char/virtio_console.c:1176) [ 15.542767][ T184] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.542768][ T184] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 15.542772][ T184] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.542779][ T184] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.542783][ T184] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.542786][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.542788][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.542793][ T184] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.542796][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.542798][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.542802][ T184] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.542806][ T184] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.542811][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.542812][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.542816][ T184] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.542821][ T184] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.542823][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.542828][ T184] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.542832][ T184] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.542834][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.542836][ T184] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.542840][ T184] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.542841][ T184] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.542844][ T184] vprintk_emit (kernel/printk/printk.c:2479) [ 15.542847][ T184] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.542850][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.542854][ T184] _printk (kernel/printk/printk.c:2504) [ 15.542857][ T184] ? snapshot_read.cold (user.c:?) [ 15.542860][ 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) [ 15.542863][ T184] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.542867][ 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) [ 15.542870][ T184] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.542873][ T184] ? exit_notify (kernel/exit.c:780) [ 15.542875][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.542878][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.542881][ T184] do_group_exit (kernel/exit.c:1151) [ 15.542884][ T184] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.542886][ T184] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.542888][ T184] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.542892][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.542895][ T184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.542898][ T184] RIP: 0033:0x7f820779b1b8 [ 15.542900][ T184] Code: Unable to access opcode bytes at 0x7f820779b18e. Code starting with the faulting instruction =========================================== [ 15.542901][ T184] RSP: 002b:00007ffe30656fe8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 15.542903][ T184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f820779b1b8 [ 15.542905][ T184] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 15.542906][ T184] RBP: 00007ffe30657170 R08: 0000560b0dffcc08 R09: 0000000000000000 [ 15.542907][ T184] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars