====================================== | [ 10.226459][ T183] softirqs last disabled at (25510): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.226461][ T183] Preemption disabled at: | [ 10.226462][ T183] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.226471][ T183] Tainted: [W]=WARN [ 10.226472][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.226474][ T183] Call Trace: [ 10.226475][ T183] [ 10.226477][ T183] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.226483][ T183] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.226485][ T183] __might_resched.cold (kernel/sched/core.c:9234) [ 10.226489][ T183] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.226494][ T183] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.226499][ T183] __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)) [ 10.226502][ T183] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.226508][ T183] ? 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) [ 10.226511][ T183] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.226515][ T183] put_chars (drivers/char/virtio_console.c:1176) [ 10.226518][ T183] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.226522][ T183] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.226527][ T183] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.226530][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.226536][ T183] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.226539][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.226545][ T183] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.226549][ T183] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.226554][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.226555][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.226560][ T183] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.226564][ T183] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.226566][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.226572][ T183] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.226575][ T183] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.226577][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.226578][ T183] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.226582][ T183] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.226584][ T183] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.226587][ T183] vprintk_emit (kernel/printk/printk.c:2479) [ 10.226590][ T183] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.226592][ T183] ? write_profile (profile.c:?) [ 10.226595][ T183] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.226601][ T183] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.226607][ T183] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.226611][ T183] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.226617][ T183] dev_printk_emit (drivers/base/core.c:5011) [ 10.226620][ T183] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.226624][ T183] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.226629][ T183] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.226635][ T183] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.226638][ T183] ? netdev_notice (net/core/dev.c:13194) [ 10.226640][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.226643][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.226646][ T183] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.226650][ T183] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.226652][ T183] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.226655][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.226657][ T183] ? 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)) [ 10.226659][ T183] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.226663][ T183] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.226665][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.226668][ T183] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.226673][ T183] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.226677][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.226680][ T183] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.226681][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.226683][ T183] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.226686][ T183] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.226689][ T183] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.226693][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.226698][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.226700][ T183] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.226703][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.226705][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.226707][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.226708][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.226710][ T183] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.226713][ T183] ? __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) [ 10.226716][ T183] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.226718][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.226720][ T183] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.226723][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.226726][ T183] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.226728][ T183] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.226734][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.226738][ T183] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.226745][ T183] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.226749][ T183] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.226750][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.226775][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.226777][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.226780][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.226782][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.226784][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.226789][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.226791][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.226793][ T183] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.226795][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.226799][ T183] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.226802][ T183] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.226806][ T183] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.226807][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.226812][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.226814][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.226818][ T183] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.226821][ T183] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.226825][ T183] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.226832][ T183] ? 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)) [ 10.226834][ T183] ? 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)) [ 10.226839][ T183] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.226843][ T183] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.226846][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.226851][ T183] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.226855][ T183] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.226859][ T183] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.226866][ T183] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.226870][ T183] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.226873][ T183] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.226887][ T183] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.226889][ T183] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.226893][ T183] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.226895][ T183] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.226897][ T183] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.226899][ T183] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.226902][ T183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.226905][ T183] RIP: 0033:0x7f279243e54e [ 10.226909][ T183] 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 [ 10.226910][ T183] RSP: 002b:00007fff1f9ec3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.226913][ T183] RAX: ffffffffffffffda RBX: 000056021df49600 RCX: 00007f279243e54e [ 10.226915][ T183] RDX: 0000000000000030 RSI: 000056021e0c74e0 RDI: 0000000000000016 [ 10.226915][ T183] RBP: 00007fff1f9ec3b0 R08: 00007fff1f9ec400 R09: 0000000000000080 [ 10.226916][ T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000056021e0b3880 [ 10.226917][ T183] R13: 00007fff1f9ec4e4 R14: 0000000000000000 R15: 0000000000000000 | [ 13.973339][ T237] softirqs last disabled at (59694): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 13.973343][ T237] Preemption disabled at: | [ 13.973344][ T237] 0x0 | [ 13.973355][ T237] Tainted: [W]=WARN [ 13.973355][ T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.973358][ T237] Call Trace: [ 13.973359][ T237] [ 13.973361][ T237] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.973367][ T237] __might_resched.cold (kernel/sched/core.c:9234) [ 13.973372][ T237] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.973377][ T237] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.973382][ T237] __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)) [ 13.973385][ T237] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.973391][ T237] ? 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) [ 13.973394][ T237] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.973398][ T237] put_chars (drivers/char/virtio_console.c:1176) [ 13.973401][ T237] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.973404][ T237] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.973407][ T237] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.973410][ T237] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.973415][ T237] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.973418][ T237] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.973420][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.973421][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.973426][ T237] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.973427][ T237] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.973432][ T237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.973436][ T237] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.973440][ T237] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.973445][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.973447][ T237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.973451][ T237] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.973455][ T237] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.973457][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.973463][ T237] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.973466][ T237] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.973468][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.973469][ T237] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.973473][ T237] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.973475][ T237] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.973478][ T237] vprintk_emit (kernel/printk/printk.c:2479) [ 13.973481][ T237] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.973484][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.973488][ T237] _printk (kernel/printk/printk.c:2504) [ 13.973492][ T237] ? snapshot_read.cold (user.c:?) [ 13.973494][ T237] ? 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) [ 13.973497][ T237] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.973501][ T237] ? 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) [ 13.973504][ T237] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.973508][ T237] ? exit_notify (kernel/exit.c:780) [ 13.973510][ T237] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.973513][ T237] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.973515][ T237] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.973518][ T237] do_group_exit (kernel/exit.c:1151) [ 13.973520][ T237] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 13.973522][ T237] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.973525][ T237] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 13.973527][ T237] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 13.973529][ T237] get_signal (kernel/signal.c:3039) [ 13.973532][ T237] ? ____sys_recvmsg (net/socket.c:1151 (discriminator 3)) [ 13.973537][ T237] ? new_sync_read (./include/linux/ioprio.h:41) [ 13.973541][ T237] ? ptrace_signal (./include/linux/signal.h:87) [ 13.973544][ T237] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.973548][ T237] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 13.973552][ T237] ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100) [ 13.973556][ T237] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 13.973561][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.973563][ T237] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.973567][ T237] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 13.973570][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.973573][ T237] 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) [ 13.973575][ T237] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.973578][ T237] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.973580][ T237] RIP: 0033:0x7f2efa928312 [ 13.973582][ T237] Code: Unable to access opcode bytes at 0x7f2efa9282e8. Code starting with the faulting instruction =========================================== [ 13.973584][ T237] RSP: 002b:00007f2ef4ef4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 13.973586][ T237] RAX: 000000000001f920 RBX: 0000000000020000 RCX: 00007f2efa928312 [ 13.973588][ T237] RDX: 0000000000020000 RSI: 00007f2ef9fa0000 RDI: 0000000000000019 [ 13.973589][ T237] RBP: 00007f2ef4ef4ca0 R08: 0000000000000000 R09: 0000000000000000 [ 13.973590][ T237] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ef9fa0000 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