====================================== | [ 10.074440][ T180] softirqs last disabled at (26968): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.074442][ T180] Preemption disabled at: | [ 10.074443][ T180] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.074452][ T180] Tainted: [W]=WARN [ 10.074453][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.074455][ T180] Call Trace: [ 10.074456][ T180] [ 10.074458][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.074464][ T180] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.074466][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 10.074470][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.074475][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.074480][ T180] __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)) [ 10.074483][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.074489][ T180] ? 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) [ 10.074492][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.074496][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 10.074499][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.074503][ T180] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.074508][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.074511][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.074517][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.074520][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.074526][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.074530][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.074535][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.074537][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.074541][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.074545][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.074547][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.074553][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.074556][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.074558][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.074560][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.074564][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.074566][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.074569][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 10.074572][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.074574][ T180] ? write_profile (profile.c:?) [ 10.074576][ T180] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.074583][ T180] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.074588][ T180] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.074593][ T180] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.074598][ T180] dev_printk_emit (drivers/base/core.c:5011) [ 10.074601][ T180] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.074605][ T180] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.074611][ T180] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.074617][ T180] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.074619][ T180] ? netdev_notice (net/core/dev.c:13194) [ 10.074622][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.074625][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.074628][ T180] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.074631][ T180] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.074634][ T180] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.074637][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.074639][ T180] ? 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)) [ 10.074641][ T180] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.074644][ T180] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.074647][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.074650][ T180] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.074655][ T180] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.074658][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.074661][ T180] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.074663][ T180] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.074665][ T180] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.074667][ T180] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.074670][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.074674][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.074679][ T180] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.074681][ T180] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.074685][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.074686][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.074688][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.074689][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.074691][ T180] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.074694][ T180] ? __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) [ 10.074697][ T180] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.074699][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.074701][ T180] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.074704][ T180] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.074707][ T180] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.074709][ T180] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.074715][ T180] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.074718][ T180] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.074726][ T180] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.074730][ T180] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.074731][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.074756][ T180] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.074758][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.074761][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.074763][ T180] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.074765][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.074770][ T180] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.074772][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.074774][ T180] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.074776][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.074780][ T180] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.074783][ T180] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.074786][ T180] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.074788][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.074793][ T180] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.074795][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.074803][ T180] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.074806][ T180] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.074809][ T180] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.074817][ T180] ? 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)) [ 10.074819][ T180] ? 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)) [ 10.074824][ T180] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.074828][ T180] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.074830][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.074836][ T180] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.074840][ T180] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.074844][ T180] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.074848][ T180] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.074852][ T180] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.074855][ T180] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.074867][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.074877][ T180] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.074880][ T180] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.074884][ T180] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.074886][ T180] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.074889][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.074891][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.074894][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.074896][ T180] RIP: 0033:0x7fb3bd82754e [ 10.074900][ T180] 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 [ 10.074902][ T180] RSP: 002b:00007fff4c254c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.074904][ T180] RAX: ffffffffffffffda RBX: 000055717ee237f0 RCX: 00007fb3bd82754e [ 10.074906][ T180] RDX: 0000000000000030 RSI: 000055717ef89020 RDI: 0000000000000012 [ 10.074907][ T180] RBP: 00007fff4c254c50 R08: 00007fff4c254ca0 R09: 0000000000000080 [ 10.074907][ T180] R10: 0000000000000000 R11: 0000000000000202 R12: 000055717ee23ac0 [ 10.074908][ T180] R13: 00007fff4c254d84 R14: 0000000000000000 R15: 0000000000000000 | [ 13.682363][ T217] softirqs last disabled at (41838): fpu__clear_user_states (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:835 (discriminator 2)) | [ 13.682366][ T217] Preemption disabled at: | [ 13.682367][ T217] 0x0 | [ 13.682377][ T217] Tainted: [W]=WARN [ 13.682378][ T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.682380][ T217] Call Trace: [ 13.682381][ T217] [ 13.682383][ T217] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.682389][ T217] __might_resched.cold (kernel/sched/core.c:9234) [ 13.682394][ T217] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.682398][ T217] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.682404][ T217] __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)) [ 13.682406][ T217] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.682413][ T217] ? 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) [ 13.682416][ T217] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.682419][ T217] put_chars (drivers/char/virtio_console.c:1176) [ 13.682422][ T217] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.682424][ T217] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.682428][ T217] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.682431][ T217] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.682436][ T217] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.682439][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.682444][ T217] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.682447][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.682451][ T217] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.682455][ T217] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.682460][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.682462][ T217] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.682465][ T217] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.682470][ T217] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.682472][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.682477][ T217] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.682480][ T217] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.682482][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.682483][ T217] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.682487][ T217] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.682489][ T217] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.682492][ T217] vprintk_emit (kernel/printk/printk.c:2479) [ 13.682495][ T217] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.682498][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.682501][ T217] _printk (kernel/printk/printk.c:2504) [ 13.682505][ T217] ? snapshot_read.cold (user.c:?) [ 13.682508][ T217] ? 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) [ 13.682510][ T217] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.682514][ T217] ? 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) [ 13.682517][ T217] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.682521][ T217] ? exit_notify (kernel/exit.c:780) [ 13.682524][ T217] ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/xstate.h:242 arch/x86/kernel/fpu/core.c:207) [ 13.682528][ T217] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 13.682530][ T217] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 13.682532][ T217] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.682536][ T217] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.682539][ T217] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.682542][ T217] RIP: 0033:0x7feb1db6cc49 [ 13.682544][ T217] Code: Unable to access opcode bytes at 0x7feb1db6cc1f. Code starting with the faulting instruction =========================================== [ 13.682545][ T217] RSP: 002b:00007feb1d14be60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 13.682547][ T217] RAX: ffffffffffffffda RBX: 00007feb1d14c6c0 RCX: 00007feb1db6cc49 [ 13.682549][ T217] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 13.682550][ T217] RBP: 00007feb1d14bf70 R08: 0000000000000001 R09: 00007feb1d14c6c0 [ 13.682550][ T217] R10: 0000000000000000 R11: 0000000000000246 R12: 00007feb1c94c000 [ 13.682551][ T217] R13: 00007ffca18b47a0 R14: 0000000000000002 R15: 00007ffca18b48a7 | [ 14.993065][ T180] softirqs last disabled at (158918): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.993068][ T180] Preemption disabled at: | [ 14.993068][ T180] 0x0 | [ 14.993079][ T180] Tainted: [W]=WARN [ 14.993080][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.993082][ T180] Call Trace: [ 14.993083][ T180] [ 14.993085][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.993091][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 14.993096][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.993100][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.993106][ T180] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.993108][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.993114][ T180] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.993117][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.993121][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 14.993124][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.993126][ T180] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.993130][ T180] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.993133][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.993138][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.993141][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.993143][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.993147][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.993151][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.993153][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.993157][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.993161][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.993166][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.993168][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.993172][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.993176][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.993178][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.993183][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.993186][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.993188][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.993190][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.993194][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.993195][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.993198][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 14.993202][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.993205][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.993208][ T180] _printk (kernel/printk/printk.c:2504) [ 14.993212][ T180] ? snapshot_read.cold (user.c:?) [ 14.993215][ T180] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 14.993217][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.993221][ T180] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 14.993224][ T180] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.993228][ T180] ? exit_notify (kernel/exit.c:780) [ 14.993229][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.993232][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.993236][ T180] do_group_exit (kernel/exit.c:1151) [ 14.993238][ T180] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.993240][ T180] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.993243][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.993246][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.993249][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.993251][ T180] RIP: 0033:0x7fb3bd8781b8 [ 14.993254][ T180] Code: Unable to access opcode bytes at 0x7fb3bd87818e. Code starting with the faulting instruction =========================================== [ 14.993255][ T180] RSP: 002b:00007fff4c255198 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.993257][ T180] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3bd8781b8 [ 14.993259][ T180] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.993260][ T180] RBP: 00007fff4c255320 R08: 000055717efb5008 R09: 0000000000000000 [ 14.993261][ T180] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: fpu__clear_user_states: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