====================================== | [ 10.293616][ T194] softirqs last disabled at (26317): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.293618][ T194] Preemption disabled at: | [ 10.293619][ T194] 0x0 | [ 10.293629][ T194] Tainted: [W]=WARN [ 10.293630][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.293631][ T194] Call Trace: [ 10.293633][ T194] [ 10.293634][ T194] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.293640][ T194] __might_resched.cold (kernel/sched/core.c:9234) [ 10.293644][ T194] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.293648][ T194] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.293653][ T194] __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)) [ 10.293656][ T194] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.293662][ T194] ? 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) [ 10.293665][ T194] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.293668][ T194] put_chars (drivers/char/virtio_console.c:1176) [ 10.293672][ T194] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.293679][ T194] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.293686][ T194] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.293689][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.293694][ T194] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.293698][ T194] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.293699][ T194] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.293702][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.293705][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.293709][ T194] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.293713][ T194] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.293714][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.293720][ T194] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.293722][ T194] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.293724][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.293726][ T194] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.293730][ T194] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.293731][ T194] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.293735][ T194] vprintk_emit (kernel/printk/printk.c:2479) [ 10.293738][ T194] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.293741][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.293745][ T194] _printk (kernel/printk/printk.c:2504) [ 10.293749][ T194] ? snapshot_read.cold (user.c:?) [ 10.293752][ T194] ? 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) [ 10.293755][ T194] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.293759][ T194] ? 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) [ 10.293762][ T194] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.293766][ T194] ? exit_notify (kernel/exit.c:780) [ 10.293768][ T194] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.293771][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.293775][ T194] do_group_exit (kernel/exit.c:1151) [ 10.293778][ T194] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.293780][ T194] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.293783][ T194] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.293786][ T194] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.293790][ T194] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.293792][ T194] RIP: 0033:0x7f50b22071b8 [ 10.293795][ T194] Code: Unable to access opcode bytes at 0x7f50b220718e. Code starting with the faulting instruction =========================================== [ 10.293796][ T194] RSP: 002b:00007fff0de6b8e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.293798][ T194] RAX: ffffffffffffffda RBX: 00007f50b2337f88 RCX: 00007f50b22071b8 [ 10.293800][ T194] RDX: 00007f50b1f51fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.293801][ T194] RBP: 00007fff0de6b940 R08: 0000000000000000 R09: 0000000000000050 [ 10.293802][ T194] R10: 00007fff0de6b700 R11: 0000000000000246 R12: 0000000000000001 [ 10.293802][ T194] R13: 0000000000000000 R14: 00007f50b2336680 R15: 00007f50b2337fa0 | [ 12.654742][ T476] softirqs last disabled at (11893): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 12.654745][ T476] Preemption disabled at: | [ 12.654746][ T476] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.654755][ T476] Tainted: [W]=WARN [ 12.654756][ T476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.654757][ T476] Call Trace: [ 12.654759][ T476] [ 12.654761][ T476] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.654767][ T476] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.654769][ T476] __might_resched.cold (kernel/sched/core.c:9234) [ 12.654773][ T476] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.654776][ T476] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.654782][ T476] __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)) [ 12.654784][ T476] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.654791][ T476] ? 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) [ 12.654794][ T476] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.654798][ T476] put_chars (drivers/char/virtio_console.c:1176) [ 12.654801][ T476] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.654805][ T476] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.654810][ T476] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.654814][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.654816][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.654821][ T476] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.654823][ T476] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.654826][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.654829][ T476] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.654834][ T476] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.654837][ T476] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.654838][ T476] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.654841][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.654843][ T476] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.654848][ T476] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.654851][ T476] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.654853][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.654859][ T476] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.654861][ T476] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.654862][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.654864][ T476] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.654868][ T476] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.654870][ T476] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.654873][ T476] vprintk_emit (kernel/printk/printk.c:2479) [ 12.654877][ T476] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.654879][ T476] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.654881][ T476] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.654886][ T476] _printk (kernel/printk/printk.c:2504) [ 12.654890][ T476] ? snapshot_read.cold (user.c:?) [ 12.654892][ T476] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 12.654897][ T476] ? nf_conntrack_find_get (./include/net/netfilter/nf_conntrack_zones.h:61 (discriminator 1)) nf_conntrack [ 12.654908][ T476] ? idr_get_free (??:?) [ 12.654910][ T476] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) nf_conntrack [ 12.654919][ T476] __nf_conntrack_alloc.cold (net/netfilter/nf_conntrack_core.c:1671 (discriminator 3)) nf_conntrack [ 12.654928][ T476] ctnetlink_create_conntrack (net/netfilter/nf_conntrack_netlink.c:2235) nf_conntrack_netlink [ 12.654932][ T476] ? __nf_conntrack_find_get (./include/linux/seqlock.h:75 (discriminator 6) ./include/net/netfilter/nf_conntrack.h:343 (discriminator 6) net/netfilter/nf_conntrack_core.c:762 (discriminator 6) net/netfilter/nf_conntrack_core.c:798 (discriminator 6)) nf_conntrack [ 12.654937][ T476] ? nf_conntrack_find_get (net/netfilter/nf_conntrack_core.c:830 (discriminator 1)) nf_conntrack [ 12.654943][ T476] ? ctnetlink_conntrack_event (net/netfilter/nf_conntrack_netlink.c:866) nf_conntrack_netlink [ 12.654946][ T476] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.654948][ T476] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.654952][ T476] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.654955][ T476] ? nf_conntrack_find_get (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netfilter/nf_conntrack_core.c:842 (discriminator 2)) nf_conntrack [ 12.654965][ T476] ctnetlink_new_conntrack (net/netfilter/nf_conntrack_netlink.c:2429) nf_conntrack_netlink [ 12.654969][ T476] ? ctnetlink_create_conntrack (net/netfilter/nf_conntrack_netlink.c:2332) nf_conntrack_netlink [ 12.654971][ T476] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.654974][ T476] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.654979][ T476] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.654984][ T476] ? ctnetlink_create_conntrack (net/netfilter/nf_conntrack_netlink.c:2332) nf_conntrack_netlink [ 12.654986][ T476] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.654992][ T476] nfnetlink_rcv_msg (net/netfilter/nfnetlink.c:300) [ 12.654999][ T476] ? nfnetlink_bind (net/netfilter/nfnetlink.c:152 (discriminator 5)) [ 12.655002][ T476] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.655004][ T476] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.655017][ T476] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.655019][ T476] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.655022][ T476] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.655027][ T476] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.655030][ T476] ? nfnetlink_bind (net/netfilter/nfnetlink.c:152 (discriminator 5)) [ 12.655034][ T476] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.655036][ T476] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.655043][ T476] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.655049][ T476] nfnetlink_rcv (net/netfilter/nfnetlink.c:667) [ 12.655052][ T476] ? nfnetlink_rcv_batch (./include/linux/netlink.h:18) [ 12.655054][ T476] ? 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)) [ 12.655057][ T476] ? 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)) [ 12.655060][ T476] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.655064][ T476] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.655070][ T476] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.655074][ T476] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.655078][ T476] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.655082][ T476] ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18) [ 12.655087][ T476] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 12.655091][ T476] ? __ia32_sys_getpeername (net/socket.c:2235) [ 12.655103][ T476] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 12.655114][ T476] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 12.655123][ T476] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.655128][ T476] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.655131][ T476] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 12.655133][ T476] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.655134][ T476] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.655137][ T476] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.655140][ T476] RIP: 0033:0x7f5baf29b54e [ 12.655143][ T476] 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 [ 12.655145][ T476] RSP: 002b:00007fffe0382c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 12.655147][ T476] RAX: ffffffffffffffda RBX: 00007fffe0383cc0 RCX: 00007f5baf29b54e [ 12.655149][ T476] RDX: 000000000000008c RSI: 00007fffe0383cc0 RDI: 0000000000000005 [ 12.655150][ T476] RBP: 00007fffe0382c70 R08: 00007f5baf448980 R09: 000000000000000c [ 12.655150][ T476] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffe0383cc0 [ 12.655151][ T476] R13: 0000556fdd57a8a0 R14: 0000000000000000 R15: 0000000000000002 | [ 15.644733][ T1013] softirqs last disabled at (12991): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.644736][ T1013] Preemption disabled at: | [ 15.644736][ T1013] 0x0 | [ 15.644747][ T1013] Tainted: [W]=WARN [ 15.644748][ T1013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.644750][ T1013] Call Trace: [ 15.644752][ T1013] [ 15.644753][ T1013] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.644759][ T1013] __might_resched.cold (kernel/sched/core.c:9234) [ 15.644763][ T1013] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.644766][ T1013] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.644772][ T1013] __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)) [ 15.644774][ T1013] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.644780][ T1013] ? 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) [ 15.644784][ T1013] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.644787][ T1013] put_chars (drivers/char/virtio_console.c:1176) [ 15.644790][ T1013] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.644797][ T1013] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.644804][ T1013] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.644807][ T1013] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.644811][ T1013] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.644815][ T1013] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.644816][ T1013] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 15.644819][ T1013] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.644823][ T1013] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.644827][ T1013] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.644830][ T1013] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.644832][ T1013] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.644837][ T1013] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.644840][ T1013] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.644841][ T1013] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.644843][ T1013] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.644847][ T1013] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.644849][ T1013] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.644852][ T1013] vprintk_emit (kernel/printk/printk.c:2479) [ 15.644855][ T1013] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.644858][ T1013] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.644862][ T1013] _printk (kernel/printk/printk.c:2504) [ 15.644866][ T1013] ? snapshot_read.cold (user.c:?) [ 15.644869][ T1013] ? 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) [ 15.644871][ T1013] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.644876][ T1013] ? 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) [ 15.644879][ T1013] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.644883][ T1013] ? exit_notify (kernel/exit.c:780) [ 15.644884][ T1013] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.644887][ T1013] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.644891][ T1013] do_group_exit (kernel/exit.c:1151) [ 15.644894][ T1013] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.644896][ T1013] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.644899][ T1013] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.644903][ T1013] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.644906][ T1013] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.644909][ T1013] RIP: 0033:0x7fe95bbd51b8 [ 15.644911][ T1013] Code: Unable to access opcode bytes at 0x7fe95bbd518e. Code starting with the faulting instruction =========================================== [ 15.644912][ T1013] RSP: 002b:00007ffe3b1ec048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.644915][ T1013] RAX: ffffffffffffffda RBX: 00007fe95bd05f88 RCX: 00007fe95bbd51b8 [ 15.644916][ T1013] RDX: 00007fe95bb0c748 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 15.644917][ T1013] RBP: 00007ffe3b1ec0a0 R08: 0000000000000000 R09: 0000000000000020 [ 15.644918][ T1013] R10: 00007ffe3b1ebec0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars