====================================== | [ 9.978277][ T197] softirqs last disabled at (28494): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.978280][ T197] Preemption disabled at: | [ 9.978280][ T197] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.978289][ T197] Tainted: [W]=WARN [ 9.978290][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.978292][ T197] Call Trace: [ 9.978294][ T197] [ 9.978296][ T197] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.978301][ T197] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.978303][ T197] __might_resched.cold (kernel/sched/core.c:9234) [ 9.978308][ T197] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.978312][ T197] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.978316][ T197] __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)) [ 9.978318][ T197] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.978324][ T197] ? 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) [ 9.978326][ T197] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.978329][ T197] put_chars (drivers/char/virtio_console.c:1176) [ 9.978332][ T197] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.978336][ T197] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.978341][ T197] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.978343][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.978348][ T197] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.978351][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.978357][ T197] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.978361][ T197] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.978365][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.978367][ T197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.978371][ T197] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.978375][ T197] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.978376][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.978381][ T197] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.978384][ T197] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.978385][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.978388][ T197] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.978391][ T197] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.978392][ T197] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.978396][ T197] vprintk_emit (kernel/printk/printk.c:2479) [ 9.978399][ T197] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.978401][ T197] ? write_profile (profile.c:?) [ 9.978404][ T197] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.978411][ T197] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.978416][ T197] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.978420][ T197] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.978426][ T197] dev_printk_emit (drivers/base/core.c:5011) [ 9.978429][ T197] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.978433][ T197] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.978438][ T197] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.978443][ T197] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.978445][ T197] ? netdev_notice (net/core/dev.c:13194) [ 9.978448][ T197] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.978454][ T197] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.978456][ T197] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.978460][ T197] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.978462][ T197] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.978465][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.978467][ T197] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 9.978469][ T197] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.978472][ T197] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.978475][ T197] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.978478][ T197] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.978484][ T197] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.978487][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.978489][ T197] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.978491][ T197] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.978492][ T197] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.978495][ T197] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.978497][ T197] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.978502][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.978506][ T197] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.978508][ T197] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.978510][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.978513][ T197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.978514][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.978516][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.978518][ T197] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.978520][ T197] ? __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) [ 9.978524][ T197] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.978525][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.978527][ T197] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.978530][ T197] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.978532][ T197] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.978534][ T197] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.978540][ T197] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.978543][ T197] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.978551][ T197] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.978555][ T197] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.978557][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.978580][ T197] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.978581][ T197] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.978585][ T197] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.978586][ T197] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.978588][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.978592][ T197] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.978594][ T197] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.978596][ T197] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.978598][ T197] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.978602][ T197] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.978604][ T197] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.978608][ T197] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.978610][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.978614][ T197] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.978616][ T197] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.978620][ T197] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.978623][ T197] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.978626][ T197] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.978633][ T197] ? 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)) [ 9.978635][ T197] ? 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)) [ 9.978640][ T197] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.978645][ T197] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.978647][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.978652][ T197] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.978656][ T197] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.978660][ T197] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.978664][ T197] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.978667][ T197] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.978671][ T197] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.978682][ T197] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 9.978688][ T197] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.978690][ T197] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.978694][ T197] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.978696][ T197] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.978697][ T197] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.978699][ T197] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.978701][ T197] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.978704][ T197] RIP: 0033:0x7fdbc0f2754e [ 9.978707][ T197] 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 [ 9.978709][ T197] RSP: 002b:00007fff4f2407c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.978712][ T197] RAX: ffffffffffffffda RBX: 000055de1bcbb3a0 RCX: 00007fdbc0f2754e [ 9.978713][ T197] RDX: 0000000000000030 RSI: 000055de1bcc1940 RDI: 0000000000000016 [ 9.978714][ T197] RBP: 00007fff4f2407d0 R08: 00007fff4f240820 R09: 0000000000000080 [ 9.978715][ T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000055de1bc99510 [ 9.978716][ T197] R13: 00007fff4f240904 R14: 0000000000000000 R15: 0000000000000000 | [ 12.096365][ T367] softirqs last disabled at (13855): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.096368][ T367] Preemption disabled at: | [ 12.096369][ T367] 0x0 | [ 12.096379][ T367] Tainted: [W]=WARN [ 12.096380][ T367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.096382][ T367] Call Trace: [ 12.096384][ T367] [ 12.096385][ T367] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.096391][ T367] __might_resched.cold (kernel/sched/core.c:9234) [ 12.096396][ T367] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.096399][ T367] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.096404][ T367] __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)) [ 12.096406][ T367] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.096412][ T367] ? 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) [ 12.096414][ T367] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.096417][ T367] put_chars (drivers/char/virtio_console.c:1176) [ 12.096420][ T367] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.096421][ T367] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.096424][ T367] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.096427][ T367] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.096431][ T367] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.096434][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.096435][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.096440][ T367] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.096443][ T367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.096446][ T367] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.096450][ T367] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.096455][ T367] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.096460][ T367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.096462][ T367] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.096465][ T367] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.096469][ T367] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.096471][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.096476][ T367] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.096478][ T367] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.096480][ T367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.096482][ T367] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.096485][ T367] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.096487][ T367] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.096490][ T367] vprintk_emit (kernel/printk/printk.c:2479) [ 12.096493][ T367] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.096496][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.096500][ T367] _printk (kernel/printk/printk.c:2504) [ 12.096504][ T367] ? snapshot_read.cold (user.c:?) [ 12.096506][ T367] ? 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) [ 12.096509][ T367] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.096512][ T367] ? 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) [ 12.096515][ T367] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.096518][ T367] ? exit_notify (kernel/exit.c:780) [ 12.096520][ T367] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.096522][ T367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.096526][ T367] do_group_exit (kernel/exit.c:1151) [ 12.096530][ T367] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.096532][ T367] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.096534][ T367] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.096537][ T367] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.096541][ T367] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.096543][ T367] RIP: 0033:0x7fca9afb81b8 [ 12.096545][ T367] Code: Unable to access opcode bytes at 0x7fca9afb818e. Code starting with the faulting instruction =========================================== [ 12.096546][ T367] RSP: 002b:00007ffd199f99a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.096549][ T367] RAX: ffffffffffffffda RBX: 00007fca9b0e8f88 RCX: 00007fca9afb81b8 [ 12.096550][ T367] RDX: 00007fca9addca48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 12.096551][ T367] RBP: 00007ffd199f9a00 R08: 00000000ffffffff R09: 0000000000000020 [ 12.096552][ T367] R10: 00007ffd199f9820 R11: 0000000000000246 R12: 0000000000000004 [ 12.096553][ T367] R13: 0000000000000000 R14: 00007fca9b0e7680 R15: 00007fca9b0e8fa0 | [ 13.557372][ T197] softirqs last disabled at (65470): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.557375][ T197] Preemption disabled at: | [ 13.557376][ T197] 0x0 | [ 13.557387][ T197] Tainted: [W]=WARN [ 13.557388][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.557390][ T197] Call Trace: [ 13.557392][ T197] [ 13.557393][ T197] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.557399][ T197] __might_resched.cold (kernel/sched/core.c:9234) [ 13.557404][ T197] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.557408][ T197] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.557412][ T197] __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)) [ 13.557415][ T197] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.557420][ T197] ? 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) [ 13.557423][ T197] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.557426][ T197] put_chars (drivers/char/virtio_console.c:1176) [ 13.557429][ T197] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.557430][ T197] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.557434][ T197] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.557437][ T197] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.557441][ T197] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.557444][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.557445][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.557449][ T197] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.557455][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.557458][ T197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.557462][ T197] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.557466][ T197] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.557470][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.557472][ T197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.557476][ T197] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.557480][ T197] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.557482][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.557487][ T197] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.557490][ T197] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.557491][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.557493][ T197] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.557497][ T197] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.557498][ T197] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.557502][ T197] vprintk_emit (kernel/printk/printk.c:2479) [ 13.557505][ T197] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.557508][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.557512][ T197] _printk (kernel/printk/printk.c:2504) [ 13.557516][ T197] ? snapshot_read.cold (user.c:?) [ 13.557519][ T197] ? 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) [ 13.557521][ T197] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.557525][ T197] ? 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) [ 13.557527][ T197] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.557531][ T197] ? exit_notify (kernel/exit.c:780) [ 13.557533][ T197] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.557536][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.557540][ T197] do_group_exit (kernel/exit.c:1151) [ 13.557544][ T197] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.557546][ T197] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.557548][ T197] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.557552][ T197] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.557555][ T197] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.557557][ T197] RIP: 0033:0x7fdbc0f781b8 [ 13.557559][ T197] Code: Unable to access opcode bytes at 0x7fdbc0f7818e. Code starting with the faulting instruction =========================================== [ 13.557561][ T197] RSP: 002b:00007fff4f240d18 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.557563][ T197] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdbc0f781b8 [ 13.557565][ T197] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.557566][ T197] RBP: 00007fff4f240ea0 R08: 000055de1bcd0af8 R09: 0000000000000000 [ 13.557567][ T197] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print