======================================
| [ 21.982644][ C0]
| [ 21.982644][ C0]
| [ 21.982644][ C0] stack backtrace:
| [ 21.982650][ C0] Tainted: [W]=WARN
[ 21.982651][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.982652][ C0] Call Trace:
[ 21.982654][ C0]
[ 21.982655][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 21.982660][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[ 21.982663][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[ 21.982666][ C0] mark_lock (kernel/locking/lockdep.c:4769)
[ 21.982667][ C0] mark_usage (kernel/locking/lockdep.c:4658)
[ 21.982669][ C0] __lock_acquire (kernel/locking/lockdep.c:5208)
[ 21.982671][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 21.982673][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[ 21.982675][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.982678][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 21.982680][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[ 21.982682][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[ 21.982684][ C0] console_emit_next_record (kernel/printk/printk.c:3177)
[ 21.982686][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 21.982687][ C0] ? 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))
[ 21.982689][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.982691][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 21.982693][ C0] console_flush_one_record (kernel/printk/printk.c:3268)
[ 21.982695][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 21.982697][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 21.982699][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 21.982701][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 21.982702][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.982704][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 21.982706][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 21.982707][ C0] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 21.982709][ C0] vprintk_emit (kernel/printk/printk.c:2479)
[ 21.982711][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 21.982713][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 21.982715][ C0] _printk (kernel/printk/printk.c:2504)
[ 21.982717][ C0] ? snapshot_read.cold (user.c:?)
[ 21.982719][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[ 21.982721][ C0] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn
[ 21.982725][ C0] ? idr_get_free (??:?)
[ 21.982727][ C0] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn
[ 21.982730][ C0] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn
[ 21.982733][ C0] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn
[ 21.982735][ C0] ? __copy_skb_header (net/core/skbuff.c:1564)
[ 21.982738][ C0] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn
[ 21.982740][ C0] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3))
[ 21.982742][ C0] __strp_recv (net/strparser/strparser.c:309)
[ 21.982746][ C0] __tcp_read_sock (net/ipv4/tcp.c:1689)
[ 21.982747][ C0] ? strp_process (net/strparser/strparser.c:335)
[ 21.982749][ C0] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716)
[ 21.982751][ C0] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196)
[ 21.982752][ C0] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 21.982754][ C0] strp_read_sock (net/strparser/strparser.c:372)
[ 21.982756][ C0] ? strp_stop (net/strparser/strparser.c:527)
[ 21.982758][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.982760][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 21.982762][ C0] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380)
[ 21.982764][ C0] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn
[ 21.982766][ C0] tcp_rcv_established (net/ipv4/tcp_input.c:6654)
[ 21.982769][ C0] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2))
[ 21.982771][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1))
[ 21.982773][ C0] ? 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)
[ 21.982775][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862)
[ 21.982777][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296)
[ 21.982780][ C0] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 21.982781][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7))
[ 21.982784][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 21.982785][ C0] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2))
[ 21.982787][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[ 21.982789][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 21.982791][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[ 21.982792][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262)
[ 21.982794][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[ 21.982796][ C0] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2))
[ 21.982798][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 21.982800][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612)
[ 21.982801][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3))
[ 21.982803][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 21.982805][ C0] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 21.982806][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 21.982808][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655)
[ 21.982810][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264)
[ 21.982812][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 21.982814][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 21.982815][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[ 21.982817][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.982820][ C0] process_backlog (net/core/dev.c:6728)
[ 21.982822][ C0] __napi_poll (net/core/dev.c:7787)
[ 21.982824][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[ 21.982827][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 21.982828][ C0] ? __napi_poll (./include/net/gro.h:507)
[ 21.982832][ C0] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859)
[ 21.982835][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.982837][ C0] handle_softirqs (kernel/softirq.c:645)
[ 21.982839][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[ 21.982840][ C0] ? 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)
[ 21.982842][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.982844][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[ 21.982845][ C0]
[ 21.982846][ C0]
[ 21.982846][ C0] __local_bh_enable_ip (kernel/softirq.c:473)
[ 21.982848][ C0] ovpn_tcp_sendmsg (drivers/net/ovpn/tcp.c:459) ovpn
[ 21.982851][ C0] ? ovpn_tcp_recvmsg (drivers/net/ovpn/tcp.c:180 (discriminator 1)) ovpn
[ 21.982854][ C0] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[ 21.982856][ C0] ? __ia32_sys_getpeername (net/socket.c:2235)
[ 21.982860][ C0] ? fput_close_sync (fs/file_table.c:617)
[ 21.982862][ C0] ? alloc_file_clone (fs/file_table.c:479)
[ 21.982864][ C0] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[ 21.982866][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 21.982868][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[ 21.982869][ C0] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[ 21.982871][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[ 21.982872][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[ 21.982874][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 21.982875][ C0] RIP: 0033:0x7fe7df91554e
[ 21.982878][ C0] 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
[ 21.982880][ C0] RSP: 002b:00007ffca625be30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 21.982882][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe7df91554e
[ 21.982884][ C0] RDX: 00000000000003ea RSI: 00007ffca625bea0 RDI: 0000000000000005
[ 21.982885][ C0] RBP: 00007ffca625be40 R08: 0000000000000000 R09: 0000000000000000
[ 21.982886][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffca625c7c8
[ 21.982886][ C0] R13: 0000000000000008 R14: 00007fe7dfc00000 R15: 000000000040bda8
| [ 21.982905][ C0] softirqs last disabled at (36067): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [ 21.982906][ C0] Preemption disabled at:
| [ 21.982907][ C0] 0x0
| [ 21.982911][ C0] Tainted: [W]=WARN
[ 21.982911][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.982912][ C0] Call Trace:
[ 21.982913][ C0]
[ 21.982913][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 21.982915][ C0] __might_resched.cold (kernel/sched/core.c:9234)
[ 21.982918][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 21.982921][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.982923][ C0] __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))
[ 21.982925][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 21.982927][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 21.982929][ C0] ? 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)
[ 21.982930][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 21.982932][ C0] put_chars (drivers/char/virtio_console.c:1176)
[ 21.982934][ C0] ? __send_to_port (drivers/char/virtio_console.c:654)
[ 21.982936][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 21.982938][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5208)
[ 21.982940][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 21.982942][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.982944][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 21.982946][ C0] console_emit_next_record (kernel/printk/printk.c:3183)
[ 21.982948][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 21.982949][ C0] ? 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))
[ 21.982951][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.982953][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 21.982955][ C0] console_flush_one_record (kernel/printk/printk.c:3268)
[ 21.982957][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 21.982959][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 21.982961][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 21.982963][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 21.982964][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.982966][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 21.982968][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 21.982969][ C0] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 21.982971][ C0] vprintk_emit (kernel/printk/printk.c:2479)
[ 21.982974][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 21.982975][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 21.982978][ C0] _printk (kernel/printk/printk.c:2504)
[ 21.982979][ C0] ? snapshot_read.cold (user.c:?)
[ 21.982981][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[ 21.982983][ C0] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn
[ 21.982985][ C0] ? idr_get_free (??:?)
[ 21.982987][ C0] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn
[ 21.982990][ C0] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn
[ 21.982993][ C0] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn
[ 21.982995][ C0] ? __copy_skb_header (net/core/skbuff.c:1564)
[ 21.982997][ C0] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn
[ 21.982999][ C0] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3))
[ 21.983001][ C0] __strp_recv (net/strparser/strparser.c:309)
[ 21.983005][ C0] __tcp_read_sock (net/ipv4/tcp.c:1689)
[ 21.983006][ C0] ? strp_process (net/strparser/strparser.c:335)
[ 21.983008][ C0] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716)
[ 21.983009][ C0] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196)
[ 21.983011][ C0] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 21.983013][ C0] strp_read_sock (net/strparser/strparser.c:372)
[ 21.983015][ C0] ? strp_stop (net/strparser/strparser.c:527)
[ 21.983017][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.983019][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 21.983020][ C0] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380)
[ 21.983023][ C0] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn
[ 21.983025][ C0] tcp_rcv_established (net/ipv4/tcp_input.c:6654)
[ 21.983028][ C0] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2))
[ 21.983030][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1))
[ 21.983031][ C0] ? 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)
[ 21.983034][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862)
[ 21.983035][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296)
[ 21.983038][ C0] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 21.983039][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7))
[ 21.983042][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 21.983043][ C0] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2))
[ 21.983045][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[ 21.983047][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 21.983049][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[ 21.983051][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262)
[ 21.983052][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[ 21.983054][ C0] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2))
[ 21.983056][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 21.983058][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612)
[ 21.983059][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3))
[ 21.983061][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 21.983062][ C0] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 21.983064][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 21.983065][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655)
[ 21.983067][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264)
[ 21.983069][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 21.983071][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 21.983072][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[ 21.983074][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.983077][ C0] process_backlog (net/core/dev.c:6728)
[ 21.983079][ C0] __napi_poll (net/core/dev.c:7787)
[ 21.983081][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[ 21.983084][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 21.983085][ C0] ? __napi_poll (./include/net/gro.h:507)
[ 21.983089][ C0] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859)
[ 21.983090][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.983093][ C0] handle_softirqs (kernel/softirq.c:645)
[ 21.983095][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[ 21.983096][ C0] ? 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)
[ 21.983097][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 21.983099][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[ 21.983101][ C0]
[ 21.983101][ C0]
[ 21.983102][ C0] __local_bh_enable_ip (kernel/softirq.c:473)
[ 21.983103][ C0] ovpn_tcp_sendmsg (drivers/net/ovpn/tcp.c:459) ovpn
[ 21.983106][ C0] ? ovpn_tcp_recvmsg (drivers/net/ovpn/tcp.c:180 (discriminator 1)) ovpn
[ 21.983109][ C0] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[ 21.983111][ C0] ? __ia32_sys_getpeername (net/socket.c:2235)
[ 21.983115][ C0] ? fput_close_sync (fs/file_table.c:617)
[ 21.983116][ C0] ? alloc_file_clone (fs/file_table.c:479)
[ 21.983118][ C0] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[ 21.983120][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 21.983121][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[ 21.983122][ C0] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[ 21.983124][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[ 21.983125][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[ 21.983126][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 21.983128][ C0] RIP: 0033:0x7fe7df91554e
[ 21.983129][ C0] 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
[ 21.983130][ C0] RSP: 002b:00007ffca625be30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 21.983131][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe7df91554e
[ 21.983132][ C0] RDX: 00000000000003ea RSI: 00007ffca625bea0 RDI: 0000000000000005
[ 21.983133][ C0] RBP: 00007ffca625be40 R08: 0000000000000000 R09: 0000000000000000
[ 21.983133][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffca625c7c8
[ 21.983134][ C0] R13: 0000000000000008 R14: 00007fe7dfc00000 R15: 000000000040bda8
| [ 30.660099][ T613] softirqs last disabled at (0): 0x0
| [ 30.660100][ T613] Preemption disabled at:
| [ 30.660101][ T613] 0x0
| [ 30.660109][ T613] Tainted: [W]=WARN
[ 30.660110][ T613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.660112][ T613] Call Trace:
[ 30.660114][ T613]
[ 30.660115][ T613] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 30.660120][ T613] __might_resched.cold (kernel/sched/core.c:9234)
[ 30.660124][ T613] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 30.660127][ T613] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[ 30.660130][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 30.660134][ T613] __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))
[ 30.660137][ T613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 30.660140][ T613] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 30.660144][ T613] ? 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)
[ 30.660145][ T613] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 30.660147][ T613] put_chars (drivers/char/virtio_console.c:1176)
[ 30.660149][ T613] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[ 30.660151][ T613] ? __send_to_port (drivers/char/virtio_console.c:654)
[ 30.660152][ T613] ? printk_get_next_message (kernel/printk/printk.c:3072)
[ 30.660155][ T613] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 30.660159][ T613] ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 30.660161][ T613] ? 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)
[ 30.660162][ T613] ? vsnprintf (lib/vsprintf.c:2900)
[ 30.660165][ T613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 30.660166][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 30.660168][ T613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 30.660170][ T613] console_emit_next_record (kernel/printk/printk.c:3183)
[ 30.660173][ T613] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 30.660175][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 30.660176][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 30.660178][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 30.660180][ T613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 30.660181][ T613] ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 30.660183][ T613] console_flush_one_record (kernel/printk/printk.c:3268)
[ 30.660185][ T613] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 30.660188][ T613] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 30.660190][ T613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 30.660191][ T613] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 30.660193][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 30.660195][ T613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 30.660196][ T613] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 30.660197][ T613] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[ 30.660199][ T613] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 30.660201][ T613] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 30.660203][ T613] vprintk_emit (kernel/printk/printk.c:2479)
[ 30.660205][ T613] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 30.660208][ T613] _printk (kernel/printk/printk.c:2504)
[ 30.660211][ T613] ? snapshot_read.cold (user.c:?)
[ 30.660212][ T613] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 30.660215][ T613] ? 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)
[ 30.660217][ T613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 30.660219][ T613] ? 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)
[ 30.660220][ T613] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[ 30.660223][ T613] ? exit_notify (kernel/exit.c:780)
[ 30.660226][ T613] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116)
[ 30.660227][ T613] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61)
[ 30.660230][ T613] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[ 30.660232][ T613] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[ 30.660234][ T613] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 30.660236][ T613] RIP: 0033:0x7f648e8a2c49
[ 30.660237][ T613] Code: Unable to access opcode bytes at 0x7f648e8a2c1f.
Code starting with the faulting instruction
===========================================
[ 30.660239][ T613] RSP: 002b:00007f648e061e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
[ 30.660242][ T613] RAX: ffffffffffffffda RBX: 00007f648e0626c0 RCX: 00007f648e8a2c49
[ 30.660243][ T613] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000
[ 30.660244][ T613] RBP: 00007f648e061f70 R08: 0000000000000001 R09: 00007f648e0626c0
[ 30.660245][ T613] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f648d862000
[ 30.660245][ T613] R13: 00007fff155cf480 R14: 0000000000000002 R15: 00007fff155cf587
| [ 31.834517][ T707] softirqs last disabled at (0): 0x0
| [ 31.834519][ T707] Preemption disabled at:
| [ 31.834520][ T707] 0x0
| [ 31.834528][ T707] Tainted: [W]=WARN
[ 31.834529][ T707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.834531][ T707] Call Trace:
[ 31.834532][ T707]
[ 31.834533][ T707] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 31.834542][ T707] __might_resched.cold (kernel/sched/core.c:9234)
[ 31.834546][ T707] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 31.834549][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834553][ T707] __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))
[ 31.834556][ T707] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 31.834559][ T707] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 31.834563][ T707] ? 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)
[ 31.834565][ T707] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 31.834567][ T707] put_chars (drivers/char/virtio_console.c:1176)
[ 31.834569][ T707] ? __send_to_port (drivers/char/virtio_console.c:654)
[ 31.834571][ T707] ? printk_get_next_message (kernel/printk/printk.c:3072)
[ 31.834574][ T707] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 31.834578][ T707] ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 31.834579][ T707] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 31.834581][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834583][ T707] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 31.834585][ T707] console_emit_next_record (kernel/printk/printk.c:3183)
[ 31.834587][ T707] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 31.834589][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834590][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834592][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834594][ T707] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 31.834595][ T707] ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 31.834597][ T707] console_flush_one_record (kernel/printk/printk.c:3268)
[ 31.834599][ T707] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 31.834602][ T707] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 31.834604][ T707] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 31.834605][ T707] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 31.834607][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834608][ T707] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 31.834610][ T707] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 31.834611][ T707] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[ 31.834613][ T707] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 31.834615][ T707] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 31.834617][ T707] vprintk_emit (kernel/printk/printk.c:2479)
[ 31.834619][ T707] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 31.834621][ T707] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[ 31.834623][ T707] ? __kernel_text_address (kernel/extable.c:79)
[ 31.834624][ T707] ? write_profile (profile.c:?)
[ 31.834626][ T707] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[ 31.834629][ T707] _printk (kernel/printk/printk.c:2504)
[ 31.834632][ T707] ? snapshot_read.cold (user.c:?)
[ 31.834634][ T707] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[ 31.834636][ T707] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[ 31.834638][ T707] netdev_info (net/core/dev.c:13195 (discriminator 3))
[ 31.834640][ T707] ? netdev_notice (net/core/dev.c:13194)
[ 31.834641][ T707] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn
[ 31.834646][ T707] ? __module_address (kernel/module/main.c:3915)
[ 31.834649][ T707] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 31.834651][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834653][ T707] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 31.834654][ T707] ? ovpn_peer_get_by_id (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1346 ./include/linux/refcount.h:181 ./include/linux/refcount.h:317 ./include/linux/refcount.h:335 ./include/linux/kref.h:133 drivers/net/ovpn/peer.h:127 drivers/net/ovpn/peer.c:674) ovpn
[ 31.834659][ T707] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[ 31.834663][ T707] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[ 31.834666][ T707] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 31.834667][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834669][ T707] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 31.834671][ T707] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[ 31.834673][ T707] ? 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)
[ 31.834675][ T707] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[ 31.834678][ T707] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn
[ 31.834681][ T707] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn
[ 31.834684][ T707] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn
[ 31.834687][ T707] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 31.834689][ T707] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[ 31.834691][ T707] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[ 31.834696][ T707] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 31.834698][ T707] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn
[ 31.834701][ T707] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[ 31.834705][ T707] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[ 31.834707][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834710][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834711][ T707] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[ 31.834715][ T707] ? write_profile (profile.c:?)
[ 31.834716][ T707] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[ 31.834717][ T707] genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[ 31.834720][ T707] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[ 31.834722][ T707] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn
[ 31.834724][ T707] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[ 31.834726][ T707] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn
[ 31.834728][ T707] ? filter_irq_stacks (kernel/stacktrace.c:402)
[ 31.834730][ T707] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 31.834732][ T707] genl_rcv_msg (net/netlink/genetlink.c:1209)
[ 31.834734][ T707] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 31.834736][ T707] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[ 31.834738][ T707] ? netlink_ack (./include/linux/skbuff.h:2718)
[ 31.834740][ T707] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 31.834742][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834744][ T707] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 31.834745][ T707] genl_rcv (net/netlink/genetlink.c:1218)
[ 31.834747][ T707] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 31.834750][ T707] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 31.834751][ T707] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 31.834753][ T707] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 31.834754][ T707] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[ 31.834757][ T707] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 31.834760][ T707] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[ 31.834762][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834764][ T707] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 31.834765][ T707] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[ 31.834769][ T707] ? copy_msghdr_from_user (net/socket.c:2650)
[ 31.834770][ T707] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[ 31.834772][ T707] ? move_addr_to_kernel (net/socket.c:258)
[ 31.834775][ T707] ___sys_sendmsg (net/socket.c:2767)
[ 31.834776][ T707] ? copy_msghdr_from_user (net/socket.c:2619)
[ 31.834778][ T707] ? kfree (mm/slub.c:6778 (discriminator 1))
[ 31.834782][ T707] __sys_sendmsg (net/socket.c:2799)
[ 31.834785][ T707] ? __sys_sendmsg_sock (net/socket.c:2780)
[ 31.834787][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834789][ T707] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 31.834791][ T707] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[ 31.834794][ T707] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[ 31.834795][ T707] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 31.834797][ T707] RIP: 0033:0x7fb797acd54e
[ 31.834799][ T707] 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
[ 31.834801][ T707] RSP: 002b:00007ffc3162b760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 31.834804][ T707] RAX: ffffffffffffffda RBX: 000000000f8e6130 RCX: 00007fb797acd54e
[ 31.834806][ T707] RDX: 0000000000000000 RSI: 00007ffc3162b800 RDI: 0000000000000005
[ 31.834806][ T707] RBP: 00007ffc3162b770 R08: 0000000000000000 R09: 0000000000000000
[ 31.834807][ T707] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000f8e6200
[ 31.834808][ T707] R13: 00007ffc3162b800 R14: 000000000f8e7260 R15: 000000000040bda8
| [ 34.471368][ T759] softirqs last disabled at (0): 0x0
| [ 34.471369][ T759] Preemption disabled at:
| [ 34.471370][ T759] 0x0
| [ 34.471379][ T759] Tainted: [W]=WARN
[ 34.471380][ T759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.471381][ T759] Call Trace:
[ 34.471383][ T759]
[ 34.471384][ T759] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 34.471389][ T759] __might_resched.cold (kernel/sched/core.c:9234)
[ 34.471393][ T759] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 34.471396][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471400][ T759] __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))
[ 34.471404][ T759] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 34.471406][ T759] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 34.471411][ T759] ? 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)
[ 34.471412][ T759] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 34.471414][ T759] put_chars (drivers/char/virtio_console.c:1176)
[ 34.471416][ T759] ? __send_to_port (drivers/char/virtio_console.c:654)
[ 34.471418][ T759] ? printk_get_next_message (kernel/printk/printk.c:3072)
[ 34.471422][ T759] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 34.471425][ T759] ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 34.471427][ T759] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 34.471428][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471430][ T759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 34.471432][ T759] console_emit_next_record (kernel/printk/printk.c:3183)
[ 34.471435][ T759] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 34.471436][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471438][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471440][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471441][ T759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 34.471443][ T759] ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 34.471445][ T759] console_flush_one_record (kernel/printk/printk.c:3268)
[ 34.471447][ T759] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 34.471449][ T759] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 34.471451][ T759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 34.471453][ T759] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 34.471454][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471456][ T759] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 34.471457][ T759] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 34.471458][ T759] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[ 34.471460][ T759] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 34.471462][ T759] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 34.471464][ T759] vprintk_emit (kernel/printk/printk.c:2479)
[ 34.471467][ T759] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 34.471468][ T759] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[ 34.471470][ T759] ? __kernel_text_address (kernel/extable.c:79)
[ 34.471472][ T759] ? write_profile (profile.c:?)
[ 34.471474][ T759] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[ 34.471476][ T759] _printk (kernel/printk/printk.c:2504)
[ 34.471479][ T759] ? snapshot_read.cold (user.c:?)
[ 34.471481][ T759] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[ 34.471484][ T759] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[ 34.471485][ T759] netdev_info (net/core/dev.c:13195 (discriminator 3))
[ 34.471487][ T759] ? netdev_notice (net/core/dev.c:13194)
[ 34.471488][ T759] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn
[ 34.471494][ T759] ? __module_address (kernel/module/main.c:3915)
[ 34.471497][ T759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 34.471498][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471500][ T759] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 34.471502][ T759] ? ovpn_peer_get_by_id (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1346 ./include/linux/refcount.h:181 ./include/linux/refcount.h:317 ./include/linux/refcount.h:335 ./include/linux/kref.h:133 drivers/net/ovpn/peer.h:127 drivers/net/ovpn/peer.c:674) ovpn
[ 34.471505][ T759] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[ 34.471508][ T759] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[ 34.471510][ T759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 34.471512][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471514][ T759] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 34.471515][ T759] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[ 34.471518][ T759] ? 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)
[ 34.471520][ T759] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[ 34.471523][ T759] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn
[ 34.471526][ T759] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn
[ 34.471529][ T759] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn
[ 34.471531][ T759] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 34.471534][ T759] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[ 34.471536][ T759] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[ 34.471541][ T759] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 34.471543][ T759] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn
[ 34.471551][ T759] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[ 34.471555][ T759] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[ 34.471557][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471560][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471561][ T759] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[ 34.471565][ T759] ? write_profile (profile.c:?)
[ 34.471566][ T759] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[ 34.471567][ T759] genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[ 34.471570][ T759] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[ 34.471572][ T759] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn
[ 34.471574][ T759] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[ 34.471576][ T759] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn
[ 34.471578][ T759] ? filter_irq_stacks (kernel/stacktrace.c:402)
[ 34.471580][ T759] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 34.471582][ T759] genl_rcv_msg (net/netlink/genetlink.c:1209)
[ 34.471584][ T759] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 34.471586][ T759] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[ 34.471588][ T759] ? netlink_ack (./include/linux/skbuff.h:2718)
[ 34.471591][ T759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 34.471592][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471594][ T759] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 34.471596][ T759] genl_rcv (net/netlink/genetlink.c:1218)
[ 34.471597][ T759] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 34.471600][ T759] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 34.471601][ T759] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 34.471603][ T759] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 34.471604][ T759] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[ 34.471607][ T759] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 34.471609][ T759] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[ 34.471611][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471613][ T759] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 34.471615][ T759] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[ 34.471618][ T759] ? copy_msghdr_from_user (net/socket.c:2650)
[ 34.471620][ T759] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[ 34.471621][ T759] ? move_addr_to_kernel (net/socket.c:258)
[ 34.471624][ T759] ___sys_sendmsg (net/socket.c:2767)
[ 34.471626][ T759] ? copy_msghdr_from_user (net/socket.c:2619)
[ 34.471627][ T759] ? kfree (mm/slub.c:6778 (discriminator 1))
[ 34.471632][ T759] __sys_sendmsg (net/socket.c:2799)
[ 34.471634][ T759] ? __sys_sendmsg_sock (net/socket.c:2780)
[ 34.471637][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471638][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 34.471640][ T759] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[ 34.471643][ T759] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[ 34.471645][ T759] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 34.471647][ T759] RIP: 0033:0x7fa89cdcd54e
[ 34.471648][ T759] 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
[ 34.471650][ T759] RSP: 002b:00007ffea2f9b1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 34.471653][ T759] RAX: ffffffffffffffda RBX: 00000000028a3130 RCX: 00007fa89cdcd54e
[ 34.471655][ T759] RDX: 0000000000000000 RSI: 00007ffea2f9b260 RDI: 0000000000000005
[ 34.471658][ T759] RBP: 00007ffea2f9b1d0 R08: 0000000000000000 R09: 0000000000000000
[ 34.471659][ T759] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000028a3200
[ 34.471660][ T759] R13: 00007ffea2f9b260 R14: 00000000028a4260 R15: 000000000040bda8
| [ 39.149710][ T10] softirqs last disabled at (15871): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [ 39.149712][ T10] Preemption disabled at:
| [ 39.149713][ T10] 0x0
| [ 39.149722][ T10] Tainted: [W]=WARN
[ 39.149723][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.149725][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn]
[ 39.149733][ T10] Call Trace:
[ 39.149734][ T10]
[ 39.149735][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 39.149741][ T10] __might_resched.cold (kernel/sched/core.c:9234)
[ 39.149744][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 39.149747][ T10] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[ 39.149750][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 39.149754][ T10] __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))
[ 39.149757][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 39.149760][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 39.149763][ T10] ? 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)
[ 39.149765][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 39.149767][ T10] put_chars (drivers/char/virtio_console.c:1176)
[ 39.149769][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[ 39.149770][ T10] ? __send_to_port (drivers/char/virtio_console.c:654)
[ 39.149772][ T10] ? printk_get_next_message (kernel/printk/printk.c:3072)
[ 39.149775][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 39.149779][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 39.149780][ T10] ? 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)
[ 39.149782][ T10] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[ 39.149784][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 39.149786][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 39.149787][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 39.149790][ T10] console_emit_next_record (kernel/printk/printk.c:3183)
[ 39.149792][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 39.149794][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 39.149796][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 39.149797][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 39.149799][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 39.149801][ T10] ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 39.149802][ T10] console_flush_one_record (kernel/printk/printk.c:3268)
[ 39.149805][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 39.149807][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 39.149809][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 39.149810][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 39.149812][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 39.149813][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 39.149815][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 39.149816][ T10] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[ 39.149818][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 39.149820][ T10] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 39.149822][ T10] vprintk_emit (kernel/printk/printk.c:2479)
[ 39.149824][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 39.149827][ T10] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[ 39.149830][ T10] _printk (kernel/printk/printk.c:2504)
[ 39.149833][ T10] ? snapshot_read.cold (user.c:?)
[ 39.149834][ T10] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[ 39.149837][ T10] ? nfc_urelease_event_work (net/nfc/netlink.c:1864)
[ 39.149840][ T10] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 39.149842][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[ 39.149844][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[ 39.149846][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3))
[ 39.149848][ T10] ? netdev_notice (net/core/dev.c:13194)
[ 39.149849][ T10] ? kasan_save_track (mm/kasan/common.c:78)
[ 39.149852][ T10] ? kasan_save_free_info (mm/kasan/generic.c:584)
[ 39.149854][ T10] ? process_one_work (kernel/workqueue.c:3387)
[ 39.149857][ T10] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 39.149859][ T10] ? kthread (kernel/kthread.c:436)
[ 39.149861][ T10] ? ret_from_fork (arch/x86/kernel/process.c:158)
[ 39.149862][ T10] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[ 39.149864][ T10] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[ 39.149867][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[ 39.149871][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[ 39.149873][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 39.149875][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 39.149876][ T10] ? 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)
[ 39.149878][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[ 39.149882][ T10] ? 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)
[ 39.149883][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[ 39.149886][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 39.149887][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 39.149889][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 39.149890][ T10] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 39.149892][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn
[ 39.149895][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn
[ 39.149897][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 39.149900][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn
[ 39.149903][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 39.149905][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn
[ 39.149907][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 39.149909][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 39.149910][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 39.149912][ T10] process_one_work (kernel/workqueue.c:3387)
[ 39.149915][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622)
[ 39.149917][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 39.149920][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 39.149922][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 39.149924][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 39.149925][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 39.149927][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 39.149928][ T10] kthread (kernel/kthread.c:436)
[ 39.149930][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 39.149931][ T10] ? kthread_affine_preferred (kernel/kthread.c:857)
[ 39.149933][ T10] ret_from_fork (arch/x86/kernel/process.c:158)
[ 39.149935][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[ 39.149936][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 39.149939][ T10] ? kthread_affine_preferred (kernel/kthread.c:857)
[ 39.149940][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 40.173692][ T10] softirqs last disabled at (15871): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [ 40.173694][ T10] Preemption disabled at:
| [ 40.173694][ T10] 0x0
| [ 40.173702][ T10] Tainted: [W]=WARN
[ 40.173702][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.173704][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn]
[ 40.173709][ T10] Call Trace:
[ 40.173711][ T10]
[ 40.173712][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 40.173716][ T10] __might_resched.cold (kernel/sched/core.c:9234)
[ 40.173719][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 40.173722][ T10] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[ 40.173724][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 40.173728][ T10] __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))
[ 40.173731][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 40.173733][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 40.173736][ T10] ? 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)
[ 40.173737][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 40.173739][ T10] put_chars (drivers/char/virtio_console.c:1176)
[ 40.173741][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[ 40.173742][ T10] ? __send_to_port (drivers/char/virtio_console.c:654)
[ 40.173744][ T10] ? printk_get_next_message (kernel/printk/printk.c:3072)
[ 40.173747][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 40.173750][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 40.173751][ T10] ? 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)
[ 40.173753][ T10] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[ 40.173754][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 40.173756][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 40.173758][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 40.173760][ T10] console_emit_next_record (kernel/printk/printk.c:3183)
[ 40.173762][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 40.173764][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 40.173766][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 40.173767][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 40.173769][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 40.173770][ T10] ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 40.173772][ T10] console_flush_one_record (kernel/printk/printk.c:3268)
[ 40.173774][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 40.173777][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 40.173778][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 40.173780][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 40.173781][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 40.173783][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 40.173784][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 40.173786][ T10] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[ 40.173788][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 40.173789][ T10] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 40.173791][ T10] vprintk_emit (kernel/printk/printk.c:2479)
[ 40.173793][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 40.173795][ T10] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[ 40.173798][ T10] _printk (kernel/printk/printk.c:2504)
[ 40.173801][ T10] ? snapshot_read.cold (user.c:?)
[ 40.173803][ T10] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 40.173805][ T10] ? filter_irq_stacks (kernel/stacktrace.c:402)
[ 40.173806][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[ 40.173809][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[ 40.173810][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3))
[ 40.173812][ T10] ? netdev_notice (net/core/dev.c:13194)
[ 40.173813][ T10] ? kasan_save_track (mm/kasan/common.c:78)
[ 40.173816][ T10] ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626)
[ 40.173817][ T10] ? free_object_list.isra.0 (lib/debugobjects.c:326)
[ 40.173821][ T10] ? kthread (kernel/kthread.c:436)
[ 40.173823][ T10] ? ret_from_fork (arch/x86/kernel/process.c:158)
[ 40.173824][ T10] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[ 40.173827][ T10] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[ 40.173829][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[ 40.173833][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[ 40.173835][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 40.173837][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 40.173838][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 40.173840][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[ 40.173843][ T10] ? 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)
[ 40.173844][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[ 40.173847][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 40.173848][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 40.173850][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 40.173851][ T10] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 40.173853][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn
[ 40.173855][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn
[ 40.173858][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 40.173860][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn
[ 40.173863][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn
[ 40.173865][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 40.173867][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 40.173868][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 40.173871][ T10] process_one_work (kernel/workqueue.c:3387)
[ 40.173874][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622)
[ 40.173877][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 40.173879][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 40.173881][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 40.173883][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 40.173884][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 40.173886][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 40.173888][ T10] kthread (kernel/kthread.c:436)
[ 40.173889][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 40.173890][ T10] ? kthread_affine_preferred (kernel/kthread.c:857)
[ 40.173892][ T10] ret_from_fork (arch/x86/kernel/process.c:158)
[ 40.173894][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[ 40.173895][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 40.173898][ T10] ? kthread_affine_preferred (kernel/kthread.c:857)
[ 40.173899][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 45.229717][ T50] softirqs last disabled at (30189): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [ 45.229719][ T50] Preemption disabled at:
| [ 45.229720][ T50] 0x0
| [ 45.229729][ T50] Tainted: [W]=WARN
[ 45.229730][ T50] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.229732][ T50] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn]
[ 45.229738][ T50] Call Trace:
[ 45.229740][ T50]
[ 45.229741][ T50] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 45.229746][ T50] __might_resched.cold (kernel/sched/core.c:9234)
[ 45.229750][ T50] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 45.229753][ T50] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[ 45.229755][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 45.229759][ T50] __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))
[ 45.229762][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 45.229764][ T50] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 45.229768][ T50] ? 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)
[ 45.229769][ T50] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 45.229771][ T50] put_chars (drivers/char/virtio_console.c:1176)
[ 45.229773][ T50] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[ 45.229774][ T50] ? __send_to_port (drivers/char/virtio_console.c:654)
[ 45.229776][ T50] ? printk_get_next_message (kernel/printk/printk.c:3072)
[ 45.229779][ T50] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 45.229782][ T50] ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 45.229784][ T50] ? 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)
[ 45.229785][ T50] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[ 45.229787][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 45.229789][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 45.229791][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 45.229793][ T50] console_emit_next_record (kernel/printk/printk.c:3183)
[ 45.229795][ T50] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 45.229797][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 45.229799][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 45.229801][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 45.229802][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 45.229804][ T50] ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 45.229806][ T50] console_flush_one_record (kernel/printk/printk.c:3268)
[ 45.229808][ T50] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 45.229811][ T50] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 45.229812][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 45.229814][ T50] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 45.229815][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 45.229817][ T50] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 45.229818][ T50] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 45.229820][ T50] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[ 45.229822][ T50] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 45.229823][ T50] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 45.229825][ T50] vprintk_emit (kernel/printk/printk.c:2479)
[ 45.229828][ T50] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 45.229829][ T50] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[ 45.229831][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 45.229832][ T50] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22))
[ 45.229835][ T50] _printk (kernel/printk/printk.c:2504)
[ 45.229838][ T50] ? snapshot_read.cold (user.c:?)
[ 45.229839][ T50] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1))
[ 45.229841][ T50] ? select_fallback_rq (kernel/sched/sched.h:1424)
[ 45.229843][ T50] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[ 45.229845][ T50] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[ 45.229847][ T50] netdev_info (net/core/dev.c:13195 (discriminator 3))
[ 45.229849][ T50] ? netdev_notice (net/core/dev.c:13194)
[ 45.229850][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 45.229853][ T50] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459)
[ 45.229855][ T50] ? kthread (kernel/kthread.c:436)
[ 45.229857][ T50] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[ 45.229860][ T50] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[ 45.229863][ T50] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[ 45.229866][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 45.229868][ T50] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 45.229869][ T50] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[ 45.229873][ T50] ? 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)
[ 45.229874][ T50] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[ 45.229877][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 45.229878][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 45.229880][ T50] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 45.229881][ T50] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 45.229883][ T50] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn
[ 45.229886][ T50] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn
[ 45.229888][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 45.229890][ T50] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn
[ 45.229893][ T50] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn
[ 45.229895][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 45.229897][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 45.229899][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 45.229901][ T50] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[ 45.229902][ T50] process_one_work (kernel/workqueue.c:3387)
[ 45.229905][ T50] ? __queue_delayed_work (kernel/workqueue.c:2622)
[ 45.229908][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 45.229910][ T50] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 45.229912][ T50] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 45.229914][ T50] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 45.229915][ T50] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 45.229917][ T50] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 45.229919][ T50] kthread (kernel/kthread.c:436)
[ 45.229920][ T50] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 45.229922][ T50] ? kthread_affine_preferred (kernel/kthread.c:857)
[ 45.229923][ T50] ret_from_fork (arch/x86/kernel/process.c:158)
[ 45.229926][ T50] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[ 45.229928][ T50] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 45.229930][ T50] ? kthread_affine_preferred (kernel/kthread.c:857)
Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print