====================================== | [ 10.232232][ T193] softirqs last disabled at (28243): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.232234][ T193] Preemption disabled at: | [ 10.232235][ T193] 0x0 | [ 10.232245][ T193] Tainted: [W]=WARN [ 10.232246][ T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.232248][ T193] Call Trace: [ 10.232249][ T193] [ 10.232251][ T193] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.232256][ T193] __might_resched.cold (kernel/sched/core.c:9234) [ 10.232261][ T193] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.232264][ T193] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.232269][ T193] __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)) [ 10.232272][ T193] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.232277][ T193] ? 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) [ 10.232280][ T193] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.232284][ T193] put_chars (drivers/char/virtio_console.c:1176) [ 10.232287][ T193] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.232293][ T193] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.232300][ T193] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.232303][ T193] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.232307][ T193] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.232310][ T193] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.232312][ T193] ? 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)) [ 10.232314][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.232318][ T193] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.232322][ T193] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.232325][ T193] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.232327][ T193] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.232332][ T193] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.232335][ T193] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.232336][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.232338][ T193] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.232342][ T193] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.232344][ T193] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.232347][ T193] vprintk_emit (kernel/printk/printk.c:2479) [ 10.232350][ T193] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.232353][ T193] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.232357][ T193] _printk (kernel/printk/printk.c:2504) [ 10.232361][ T193] ? snapshot_read.cold (user.c:?) [ 10.232363][ T193] ? 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) [ 10.232366][ T193] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.232371][ T193] ? 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) [ 10.232374][ T193] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.232378][ T193] ? exit_notify (kernel/exit.c:780) [ 10.232380][ T193] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.232383][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.232386][ T193] do_group_exit (kernel/exit.c:1151) [ 10.232389][ T193] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.232392][ T193] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.232394][ T193] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.232398][ T193] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.232401][ T193] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.232403][ T193] RIP: 0033:0x7fe0ccdfd1b8 [ 10.232405][ T193] Code: Unable to access opcode bytes at 0x7fe0ccdfd18e. Code starting with the faulting instruction =========================================== [ 10.232406][ T193] RSP: 002b:00007ffe64285748 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.232409][ T193] RAX: ffffffffffffffda RBX: 00007fe0ccf2df88 RCX: 00007fe0ccdfd1b8 [ 10.232410][ T193] RDX: 00007fe0ccb47fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.232411][ T193] RBP: 00007ffe642857a0 R08: 0000000000000000 R09: 0000000000000050 [ 10.232412][ T193] R10: 00007ffe64285560 R11: 0000000000000246 R12: 0000000000000001 [ 10.232413][ T193] R13: 0000000000000000 R14: 00007fe0ccf2c680 R15: 00007fe0ccf2dfa0 | [ 12.589722][ T471] softirqs last disabled at (11182): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.589725][ T471] Preemption disabled at: | [ 12.589725][ T471] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.589734][ T471] Tainted: [W]=WARN [ 12.589735][ T471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.589737][ T471] Call Trace: [ 12.589738][ T471] [ 12.589740][ T471] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.589751][ T471] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.589753][ T471] __might_resched.cold (kernel/sched/core.c:9234) [ 12.589758][ T471] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.589761][ T471] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.589766][ T471] __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)) [ 12.589768][ T471] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.589774][ T471] ? 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) [ 12.589777][ T471] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.589781][ T471] put_chars (drivers/char/virtio_console.c:1176) [ 12.589784][ T471] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.589788][ T471] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.589792][ T471] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.589796][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.589797][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.589802][ T471] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.589804][ T471] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.589806][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.589810][ T471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.589814][ T471] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.589817][ T471] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.589818][ T471] ? 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)) [ 12.589821][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.589823][ T471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.589827][ T471] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.589831][ T471] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.589832][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.589838][ T471] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.589840][ T471] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.589841][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.589843][ T471] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.589847][ T471] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.589849][ T471] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.589852][ T471] vprintk_emit (kernel/printk/printk.c:2479) [ 12.589855][ T471] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.589858][ T471] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.589860][ T471] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.589864][ T471] _printk (kernel/printk/printk.c:2504) [ 12.589867][ T471] ? snapshot_read.cold (user.c:?) [ 12.589869][ T471] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 12.589874][ T471] ? nf_conntrack_find_get (./include/net/netfilter/nf_conntrack_zones.h:61 (discriminator 1)) nf_conntrack [ 12.589884][ T471] ? idr_get_free (??:?) [ 12.589886][ T471] ? 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 [ 12.589894][ T471] __nf_conntrack_alloc.cold (net/netfilter/nf_conntrack_core.c:1671 (discriminator 3)) nf_conntrack [ 12.589901][ T471] ctnetlink_create_conntrack (net/netfilter/nf_conntrack_netlink.c:2235) nf_conntrack_netlink [ 12.589905][ T471] ? __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 [ 12.589910][ T471] ? nf_conntrack_find_get (net/netfilter/nf_conntrack_core.c:830 (discriminator 1)) nf_conntrack [ 12.589916][ T471] ? ctnetlink_conntrack_event (net/netfilter/nf_conntrack_netlink.c:866) nf_conntrack_netlink [ 12.589918][ T471] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.589921][ T471] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.589924][ T471] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.589927][ T471] ? 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 [ 12.589935][ T471] ctnetlink_new_conntrack (net/netfilter/nf_conntrack_netlink.c:2429) nf_conntrack_netlink [ 12.589939][ T471] ? ctnetlink_create_conntrack (net/netfilter/nf_conntrack_netlink.c:2332) nf_conntrack_netlink [ 12.589941][ T471] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.589944][ T471] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.589949][ T471] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.589954][ T471] ? ctnetlink_create_conntrack (net/netfilter/nf_conntrack_netlink.c:2332) nf_conntrack_netlink [ 12.589956][ T471] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.589961][ T471] nfnetlink_rcv_msg (net/netfilter/nfnetlink.c:300) [ 12.589967][ T471] ? nfnetlink_bind (net/netfilter/nfnetlink.c:152 (discriminator 5)) [ 12.589971][ T471] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.589973][ T471] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.589984][ T471] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.589986][ T471] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.589990][ T471] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.589994][ T471] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.589997][ T471] ? nfnetlink_bind (net/netfilter/nfnetlink.c:152 (discriminator 5)) [ 12.590000][ T471] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.590002][ T471] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.590008][ T471] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.590014][ T471] nfnetlink_rcv (net/netfilter/nfnetlink.c:667) [ 12.590018][ T471] ? nfnetlink_rcv_batch (./include/linux/netlink.h:18) [ 12.590019][ T471] ? 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)) [ 12.590023][ T471] ? 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)) [ 12.590025][ T471] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.590029][ T471] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.590034][ T471] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.590038][ T471] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.590041][ T471] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.590046][ T471] ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18) [ 12.590050][ T471] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 12.590054][ T471] ? __ia32_sys_getpeername (net/socket.c:2235) [ 12.590068][ T471] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 12.590071][ T471] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.590074][ T471] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.590077][ T471] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 12.590079][ T471] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.590080][ T471] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.590084][ T471] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.590086][ T471] RIP: 0033:0x7f8de576854e [ 12.590089][ T471] 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 [ 12.590091][ T471] RSP: 002b:00007fffde8318c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 12.590094][ T471] RAX: ffffffffffffffda RBX: 00007fffde832920 RCX: 00007f8de576854e [ 12.590095][ T471] RDX: 000000000000008c RSI: 00007fffde832920 RDI: 0000000000000005 [ 12.590096][ T471] RBP: 00007fffde8318d0 R08: 00007f8de5915980 R09: 000000000000000c [ 12.590097][ T471] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffde832920 Finger prints: __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print