====================================== | [ 9.729861][ T82] softirqs last disabled at (412412): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.729863][ T82] Preemption disabled at: | [ 9.729864][ T82] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.729874][ T82] Tainted: [W]=WARN [ 9.729875][ T82] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.729876][ T82] Call Trace: [ 9.729878][ T82] [ 9.729879][ T82] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.729885][ T82] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.729887][ T82] __might_resched.cold (kernel/sched/core.c:9234) [ 9.729892][ T82] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.729896][ T82] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.729901][ T82] __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)) [ 9.729903][ T82] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.729909][ T82] ? 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) [ 9.729911][ T82] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.729914][ T82] put_chars (drivers/char/virtio_console.c:1176) [ 9.729917][ T82] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.729920][ T82] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.729925][ T82] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.729928][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.729933][ T82] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.729936][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.729942][ T82] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.729946][ T82] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.729950][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.729952][ T82] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.729956][ T82] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.729960][ T82] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.729962][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.729967][ T82] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.729970][ T82] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.729971][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.729974][ T82] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.729977][ T82] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.729979][ T82] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.729982][ T82] vprintk_emit (kernel/printk/printk.c:2479) [ 9.729985][ T82] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.729987][ T82] ? write_profile (profile.c:?) [ 9.729990][ T82] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.729997][ T82] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.730002][ T82] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.730006][ T82] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.730013][ T82] dev_printk_emit (drivers/base/core.c:5011) [ 9.730015][ T82] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.730019][ T82] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.730024][ T82] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.730029][ T82] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.730031][ T82] ? netdev_notice (net/core/dev.c:13194) [ 9.730034][ T82] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.730038][ T82] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.730040][ T82] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.730044][ T82] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.730046][ T82] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.730049][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.730051][ T82] ? 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) [ 9.730053][ T82] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.730057][ T82] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.730059][ T82] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.730062][ T82] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.730068][ T82] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.730071][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.730074][ T82] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.730076][ T82] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.730077][ T82] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.730080][ T82] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.730082][ T82] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.730086][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.730091][ T82] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.730093][ T82] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.730096][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.730098][ T82] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.730099][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.730101][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.730103][ T82] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.730106][ T82] ? __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) [ 9.730109][ T82] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.730110][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.730112][ T82] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.730114][ T82] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.730117][ T82] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.730119][ T82] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.730125][ T82] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.730128][ T82] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.730136][ T82] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.730140][ T82] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.730141][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.730165][ T82] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.730167][ T82] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.730176][ T82] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.730177][ T82] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.730179][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.730184][ T82] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.730185][ T82] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.730188][ T82] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.730190][ T82] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.730193][ T82] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.730196][ T82] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.730199][ T82] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.730201][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.730205][ T82] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.730207][ T82] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.730211][ T82] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.730214][ T82] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.730217][ T82] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.730224][ T82] ? 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)) [ 9.730226][ T82] ? 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)) [ 9.730231][ T82] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.730235][ T82] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.730238][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.730242][ T82] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.730246][ T82] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.730250][ T82] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.730254][ T82] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.730257][ T82] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.730261][ T82] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.730275][ T82] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.730276][ T82] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.730280][ T82] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.730283][ T82] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.730285][ T82] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.730286][ T82] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.730289][ T82] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.730291][ T82] RIP: 0033:0x7f54342e454e [ 9.730295][ T82] 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 [ 9.730297][ T82] RSP: 002b:00007ffd5c229b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.730299][ T82] RAX: ffffffffffffffda RBX: 0000561d90d00f40 RCX: 00007f54342e454e [ 9.730301][ T82] RDX: 0000000000000030 RSI: 0000561d90cf9b70 RDI: 0000000000000011 [ 9.730301][ T82] RBP: 00007ffd5c229b40 R08: 00007ffd5c229b90 R09: 0000000000000080 [ 9.730302][ T82] R10: 0000000000000000 R11: 0000000000000202 R12: 0000561d90e53080 [ 9.730303][ T82] R13: 00007ffd5c229c74 R14: 0000000000000000 R15: 0000000000000000 | [ 10.963181][ T281] softirqs last disabled at (10408): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.963184][ T281] Preemption disabled at: | [ 10.963185][ T281] 0x0 | [ 10.963199][ T281] Tainted: [W]=WARN [ 10.963200][ T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.963203][ T281] Call Trace: [ 10.963205][ T281] [ 10.963207][ T281] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.963216][ T281] __might_resched.cold (kernel/sched/core.c:9234) [ 10.963222][ T281] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.963227][ T281] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.963235][ T281] __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)) [ 10.963238][ T281] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.963247][ T281] ? 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) [ 10.963250][ T281] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.963256][ T281] put_chars (drivers/char/virtio_console.c:1176) [ 10.963260][ T281] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.963262][ T281] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.963268][ T281] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.963272][ T281] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.963279][ T281] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.963283][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.963286][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.963293][ T281] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.963299][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.963304][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.963310][ T281] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.963317][ T281] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.963324][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.963328][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.963334][ T281] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.963341][ T281] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.963344][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.963353][ T281] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.963357][ T281] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.963360][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.963363][ T281] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.963369][ T281] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.963372][ T281] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.963377][ T281] vprintk_emit (kernel/printk/printk.c:2479) [ 10.963383][ T281] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.963389][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.963395][ T281] _printk (kernel/printk/printk.c:2504) [ 10.963400][ T281] ? snapshot_read.cold (user.c:?) [ 10.963405][ T281] ? 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) [ 10.963409][ T281] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.963416][ T281] ? 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) [ 10.963420][ T281] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.963425][ T281] ? exit_notify (kernel/exit.c:780) [ 10.963428][ T281] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.963432][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.963439][ T281] do_group_exit (kernel/exit.c:1151) [ 10.963445][ T281] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.963448][ T281] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.963452][ T281] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.963456][ T281] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.963461][ T281] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.963464][ T281] RIP: 0033:0x7f21a8f661b8 [ 10.963468][ T281] Code: Unable to access opcode bytes at 0x7f21a8f6618e. Code starting with the faulting instruction =========================================== [ 10.963469][ T281] RSP: 002b:00007ffe680a0d68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.963473][ T281] RAX: ffffffffffffffda RBX: 00007f21a9096f88 RCX: 00007f21a8f661b8 [ 10.963475][ T281] RDX: 00007f21a8ea5408 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 10.963476][ T281] RBP: 00007ffe680a0dc0 R08: 0000000000000000 R09: 00000000000000a0 [ 10.963478][ T281] R10: 00007ffe680a0be0 R11: 0000000000000246 R12: 0000000000000001 [ 10.963479][ T281] R13: 0000000000000000 R14: 00007f21a9095680 R15: 00007f21a9096fa0 | [ 13.617966][ T82] softirqs last disabled at (449016): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.617968][ T82] Preemption disabled at: | [ 13.617969][ T82] 0x0 | [ 13.617980][ T82] Tainted: [W]=WARN [ 13.617981][ T82] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.617983][ T82] Call Trace: [ 13.617985][ T82] [ 13.617986][ T82] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.617992][ T82] __might_resched.cold (kernel/sched/core.c:9234) [ 13.617997][ T82] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.618001][ T82] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.618006][ T82] __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)) [ 13.618008][ T82] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.618013][ T82] ? 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) [ 13.618015][ T82] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.618019][ T82] put_chars (drivers/char/virtio_console.c:1176) [ 13.618021][ T82] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.618023][ T82] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.618026][ T82] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.618029][ T82] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.618033][ T82] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.618036][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.618037][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.618041][ T82] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.618044][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.618047][ T82] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.618051][ T82] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.618055][ T82] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.618059][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.618062][ T82] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.618066][ T82] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.618070][ T82] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.618072][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.618077][ T82] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.618080][ T82] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.618081][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.618083][ T82] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.618087][ T82] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.618088][ T82] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.618092][ T82] vprintk_emit (kernel/printk/printk.c:2479) [ 13.618095][ T82] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.618098][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.618102][ T82] _printk (kernel/printk/printk.c:2504) [ 13.618105][ T82] ? snapshot_read.cold (user.c:?) [ 13.618108][ T82] ? 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) [ 13.618111][ T82] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.618114][ T82] ? 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) [ 13.618117][ T82] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.618120][ T82] ? exit_notify (kernel/exit.c:780) [ 13.618122][ T82] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.618124][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.618128][ T82] do_group_exit (kernel/exit.c:1151) [ 13.618132][ T82] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.618134][ T82] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.618137][ T82] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.618140][ T82] ? irq_exit_rcu (kernel/softirq.c:786) [ 13.618143][ T82] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.618145][ T82] RIP: 0033:0x7f54343351b8 [ 13.618147][ T82] Code: Unable to access opcode bytes at 0x7f543433518e. Code starting with the faulting instruction =========================================== [ 13.618149][ T82] RSP: 002b:00007ffd5c22a088 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.618151][ T82] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f54343351b8 [ 13.618153][ T82] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.618154][ T82] RBP: 00007ffd5c22a210 R08: 0000561d90cf2f48 R09: 0000000000000000 [ 13.618154][ T82] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print