====================================== | [ 9.211911][ T87] softirqs last disabled at (406514): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.211913][ T87] Preemption disabled at: | [ 9.211914][ T87] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.211922][ T87] Tainted: [W]=WARN [ 9.211923][ T87] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.211925][ T87] Call Trace: [ 9.211926][ T87] [ 9.211928][ T87] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.211933][ T87] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.211935][ T87] __might_resched.cold (kernel/sched/core.c:9234) [ 9.211939][ T87] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.211943][ T87] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.211948][ T87] __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)) [ 9.211950][ T87] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.211955][ T87] ? 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) [ 9.211957][ T87] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.211960][ T87] put_chars (drivers/char/virtio_console.c:1176) [ 9.211963][ T87] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.211967][ T87] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.211971][ T87] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.211974][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.211978][ T87] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.211981][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.211987][ T87] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.211990][ T87] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.211994][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.211996][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.212000][ T87] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.212003][ T87] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.212005][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.212010][ T87] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.212012][ T87] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.212014][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.212016][ T87] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.212019][ T87] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.212020][ T87] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.212023][ T87] vprintk_emit (kernel/printk/printk.c:2479) [ 9.212026][ T87] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.212029][ T87] ? write_profile (profile.c:?) [ 9.212031][ T87] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.212038][ T87] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.212043][ T87] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.212047][ T87] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.212052][ T87] dev_printk_emit (drivers/base/core.c:5011) [ 9.212055][ T87] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.212059][ T87] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.212063][ T87] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.212068][ T87] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.212070][ T87] ? netdev_notice (net/core/dev.c:13194) [ 9.212072][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.212076][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.212078][ T87] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.212082][ T87] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.212084][ T87] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.212087][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.212088][ T87] ? 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) [ 9.212091][ T87] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.212094][ T87] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.212096][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.212099][ T87] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.212110][ T87] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.212112][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.212115][ T87] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.212117][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.212118][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.212120][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.212123][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.212127][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.212131][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.212132][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.212135][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.212137][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.212139][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.212140][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.212142][ T87] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.212145][ T87] ? __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) [ 9.212148][ T87] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.212149][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.212151][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.212153][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.212155][ T87] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.212157][ T87] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.212162][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.212165][ T87] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.212173][ T87] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.212176][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.212178][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.212201][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.212203][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.212206][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.212208][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.212209][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.212213][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.212215][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.212217][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.212219][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.212223][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.212225][ T87] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.212228][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.212230][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.212234][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.212235][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.212239][ T87] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.212242][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.212245][ T87] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.212252][ T87] ? 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)) [ 9.212254][ T87] ? 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)) [ 9.212258][ T87] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.212263][ T87] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.212265][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.212270][ T87] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.212274][ T87] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.212277][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.212281][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.212284][ T87] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.212287][ T87] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.212297][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 9.212303][ T87] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.212305][ T87] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.212308][ T87] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.212310][ T87] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.212311][ T87] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.212313][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.212315][ T87] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.212317][ T87] RIP: 0033:0x7fcdf6a8854e [ 9.212321][ T87] 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 [ 9.212322][ T87] RSP: 002b:00007ffea54218a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.212325][ T87] RAX: ffffffffffffffda RBX: 00005569ecd97f40 RCX: 00007fcdf6a8854e [ 9.212327][ T87] RDX: 0000000000000030 RSI: 00005569ecefe130 RDI: 000000000000001c [ 9.212328][ T87] RBP: 00007ffea54218b0 R08: 00007ffea5421900 R09: 0000000000000080 [ 9.212328][ T87] R10: 0000000000000000 R11: 0000000000000202 R12: 00005569eceffbf0 [ 9.212329][ T87] R13: 00007ffea54219e4 R14: 0000000000000000 R15: 0000000000000000 | [ 11.159631][ T355] softirqs last disabled at (16557): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.159634][ T355] Preemption disabled at: | [ 11.159635][ T355] 0x0 | [ 11.159644][ T355] Tainted: [W]=WARN [ 11.159645][ T355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.159647][ T355] Call Trace: [ 11.159649][ T355] [ 11.159650][ T355] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.159657][ T355] __might_resched.cold (kernel/sched/core.c:9234) [ 11.159661][ T355] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.159665][ T355] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.159669][ T355] __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)) [ 11.159671][ T355] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.159677][ T355] ? 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) [ 11.159679][ T355] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.159682][ T355] put_chars (drivers/char/virtio_console.c:1176) [ 11.159685][ T355] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.159686][ T355] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 11.159689][ T355] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.159692][ T355] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.159696][ T355] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.159699][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.159700][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.159704][ T355] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.159707][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.159709][ T355] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.159713][ T355] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.159716][ T355] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.159720][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.159723][ T355] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.159726][ T355] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.159730][ T355] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.159731][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.159736][ T355] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.159739][ T355] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.159740][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.159742][ T355] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.159745][ T355] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.159747][ T355] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.159750][ T355] vprintk_emit (kernel/printk/printk.c:2479) [ 11.159753][ T355] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.159756][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.159759][ T355] _printk (kernel/printk/printk.c:2504) [ 11.159763][ T355] ? snapshot_read.cold (user.c:?) [ 11.159766][ T355] ? 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) [ 11.159768][ T355] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.159772][ T355] ? 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) [ 11.159774][ T355] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.159778][ T355] ? exit_notify (kernel/exit.c:780) [ 11.159779][ T355] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.159782][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.159785][ T355] do_group_exit (kernel/exit.c:1151) [ 11.159789][ T355] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.159791][ T355] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.159793][ T355] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.159796][ T355] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.159800][ T355] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.159802][ T355] RIP: 0033:0x7faaade621b8 [ 11.159804][ T355] Code: Unable to access opcode bytes at 0x7faaade6218e. Code starting with the faulting instruction =========================================== [ 11.159805][ T355] RSP: 002b:00007ffd3b8fff38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.159807][ T355] RAX: ffffffffffffffda RBX: 00007faaadf92f88 RCX: 00007faaade621b8 [ 11.159809][ T355] RDX: 00007faaadc86a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.159810][ T355] RBP: 00007ffd3b8fff90 R08: 00000000ffffffff R09: 0000000000000020 [ 11.159810][ T355] R10: 00007ffd3b8ffdb0 R11: 0000000000000246 R12: 0000000000000004 [ 11.159811][ T355] R13: 0000000000000000 R14: 00007faaadf91680 R15: 00007faaadf92fa0 | [ 13.586815][ T87] softirqs last disabled at (473412): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.586817][ T87] Preemption disabled at: | [ 13.586818][ T87] 0x0 | [ 13.586828][ T87] Tainted: [W]=WARN [ 13.586829][ T87] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.586830][ T87] Call Trace: [ 13.586833][ T87] [ 13.586834][ T87] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.586840][ T87] __might_resched.cold (kernel/sched/core.c:9234) [ 13.586844][ T87] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.586848][ T87] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.586853][ T87] __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)) [ 13.586855][ T87] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.586860][ T87] ? 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) [ 13.586863][ T87] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.586866][ T87] put_chars (drivers/char/virtio_console.c:1176) [ 13.586869][ T87] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.586870][ T87] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.586873][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.586876][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.586880][ T87] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.586883][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.586884][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.586888][ T87] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.586891][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.586894][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.586897][ T87] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.586901][ T87] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.586905][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.586907][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.586911][ T87] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.586914][ T87] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.586916][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.586921][ T87] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.586923][ T87] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.586925][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.586927][ T87] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.586930][ T87] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.586931][ T87] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.586934][ T87] vprintk_emit (kernel/printk/printk.c:2479) [ 13.586938][ T87] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.586941][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.586944][ T87] _printk (kernel/printk/printk.c:2504) [ 13.586948][ T87] ? snapshot_read.cold (user.c:?) [ 13.586950][ T87] ? 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) [ 13.586953][ T87] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.586956][ T87] ? 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) [ 13.586958][ T87] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.586962][ T87] ? exit_notify (kernel/exit.c:780) [ 13.586964][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.586966][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.586970][ T87] do_group_exit (kernel/exit.c:1151) [ 13.586973][ T87] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.586976][ T87] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.586978][ T87] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.586981][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.586984][ T87] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.586986][ T87] RIP: 0033:0x7fcdf6ad91b8 [ 13.586989][ T87] Code: Unable to access opcode bytes at 0x7fcdf6ad918e. Code starting with the faulting instruction =========================================== [ 13.586990][ T87] RSP: 002b:00007ffea5421df8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.586992][ T87] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcdf6ad91b8 [ 13.586994][ T87] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.586994][ T87] RBP: 00007ffea5421f80 R08: 00005569ecef0ff8 R09: 0000000000000000 [ 13.586995][ T87] 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