====================================== | [ 10.933912][ T182] softirqs last disabled at (23022): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.933915][ T182] Preemption disabled at: | [ 10.933915][ T182] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.933924][ T182] Tainted: [W]=WARN [ 10.933924][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.933926][ T182] Call Trace: [ 10.933928][ T182] [ 10.933930][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.933936][ T182] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.933937][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 10.933942][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.933946][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.933952][ T182] __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)) [ 10.933954][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.933960][ T182] ? 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) [ 10.933963][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.933967][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 10.933970][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.933974][ T182] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.933979][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.933982][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.933988][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.933991][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.933996][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.934000][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.934005][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.934007][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.934011][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.934015][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.934017][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.934022][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.934025][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.934027][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.934029][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.934033][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.934035][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.934038][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 10.934041][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.934042][ T182] ? write_profile (profile.c:?) [ 10.934045][ T182] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.934051][ T182] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.934057][ T182] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.934061][ T182] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.934066][ T182] dev_printk_emit (drivers/base/core.c:5011) [ 10.934069][ T182] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.934073][ T182] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.934078][ T182] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.934084][ T182] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.934086][ T182] ? netdev_notice (net/core/dev.c:13194) [ 10.934089][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.934092][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.934094][ T182] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.934098][ T182] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.934101][ T182] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.934103][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.934105][ T182] ? 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)) [ 10.934107][ T182] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.934110][ T182] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.934113][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.934115][ T182] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.934121][ T182] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.934123][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.934127][ T182] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.934128][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.934130][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.934132][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.934135][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.934145][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.934151][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.934153][ T182] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.934156][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.934158][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.934160][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.934161][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.934163][ T182] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.934165][ T182] ? __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) [ 10.934169][ T182] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.934171][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.934173][ T182] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.934175][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.934178][ T182] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.934180][ T182] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.934186][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.934189][ T182] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.934196][ T182] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.934200][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.934201][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.934223][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.934225][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.934228][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.934230][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.934232][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.934237][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.934239][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.934241][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.934243][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.934247][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.934249][ T182] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.934253][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.934254][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.934259][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.934261][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.934264][ T182] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.934268][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.934271][ T182] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.934277][ T182] ? 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)) [ 10.934279][ T182] ? 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)) [ 10.934284][ T182] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.934288][ T182] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.934291][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.934296][ T182] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.934300][ T182] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.934304][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.934308][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.934312][ T182] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.934315][ T182] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.934325][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.934330][ T182] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.934332][ T182] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.934335][ T182] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.934337][ T182] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.934339][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.934341][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.934344][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.934346][ T182] RIP: 0033:0x7f43ded2854e [ 10.934350][ T182] 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 [ 10.934352][ T182] RSP: 002b:00007fffd8fa1980 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.934354][ T182] RAX: ffffffffffffffda RBX: 0000558b60f2aec0 RCX: 00007f43ded2854e [ 10.934356][ T182] RDX: 0000000000000030 RSI: 0000558b60da99d0 RDI: 0000000000000014 [ 10.934356][ T182] RBP: 00007fffd8fa1990 R08: 00007fffd8fa19e0 R09: 0000000000000080 [ 10.934357][ T182] R10: 0000000000000000 R11: 0000000000000202 R12: 0000558b60f23a00 [ 10.934358][ T182] R13: 00007fffd8fa1ac4 R14: 0000000000000000 R15: 0000000000000000 | [ 14.594363][ T223] softirqs last disabled at (28388): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 14.594367][ T223] Preemption disabled at: | [ 14.594368][ T223] 0x0 | [ 14.594378][ T223] Tainted: [W]=WARN [ 14.594379][ T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.594381][ T223] Call Trace: [ 14.594382][ T223] [ 14.594384][ T223] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.594390][ T223] __might_resched.cold (kernel/sched/core.c:9234) [ 14.594395][ T223] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.594399][ T223] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.594405][ T223] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.594408][ T223] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.594414][ T223] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.594417][ T223] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.594421][ T223] put_chars (drivers/char/virtio_console.c:1176) [ 14.594424][ T223] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.594427][ T223] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.594430][ T223] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.594433][ T223] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.594437][ T223] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.594441][ T223] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.594443][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.594444][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.594449][ T223] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.594450][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.594455][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.594459][ T223] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.594463][ T223] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.594467][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.594470][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.594474][ T223] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.594478][ T223] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.594480][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.594485][ T223] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.594488][ T223] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.594490][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.594491][ T223] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.594495][ T223] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.594497][ T223] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.594500][ T223] vprintk_emit (kernel/printk/printk.c:2479) [ 14.594503][ T223] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.594506][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.594509][ T223] _printk (kernel/printk/printk.c:2504) [ 14.594513][ T223] ? snapshot_read.cold (user.c:?) [ 14.594516][ T223] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 14.594518][ T223] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.594522][ T223] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 14.594525][ T223] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.594529][ T223] ? exit_notify (kernel/exit.c:780) [ 14.594530][ T223] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.594533][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.594535][ T223] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.594539][ T223] do_group_exit (kernel/exit.c:1151) [ 14.594540][ T223] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 14.594542][ T223] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.594545][ T223] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 14.594547][ T223] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 14.594549][ T223] get_signal (kernel/signal.c:3039) [ 14.594553][ T223] ? new_sync_read (fs/read_write.c:493) [ 14.594559][ T223] ? ptrace_signal (./include/linux/signal.h:87) [ 14.594562][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.594566][ T223] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 14.594570][ T223] ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100) [ 14.594573][ T223] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 14.594578][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.594580][ T223] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.594584][ T223] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 14.594587][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.594590][ T223] do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:336 arch/x86/entry/syscall_64.c:89) [ 14.594592][ T223] ? irq_exit_rcu (kernel/softirq.c:786) [ 14.594595][ T223] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.594598][ T223] RIP: 0033:0x7f4b1c5ce312 [ 14.594600][ T223] Code: Unable to access opcode bytes at 0x7f4b1c5ce2e8. Code starting with the faulting instruction =========================================== [ 14.594601][ T223] RSP: 002b:00007f4b1a3a1c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 14.594603][ T223] RAX: fffffffffffffe00 RBX: 000000000001387c RCX: 00007f4b1c5ce312 [ 14.594605][ T223] RDX: 000000000001387c RSI: 00007f4b1bd32784 RDI: 000000000000000c [ 14.594606][ T223] RBP: 00007f4b1a3a1cc0 R08: 0000000000000000 R09: 0000000000000000 [ 14.594606][ T223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000020000 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars