====================================== | [ 23.271311][ T278] softirqs last disabled at (3636623): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 23.271313][ T278] Preemption disabled at: | [ 23.271314][ T278] 0x0 | [ 23.271325][ T278] Tainted: [W]=WARN [ 23.271325][ T278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.271327][ T278] Call Trace: [ 23.271328][ T278] [ 23.271330][ T278] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.271336][ T278] __might_resched.cold (kernel/sched/core.c:9234) [ 23.271341][ T278] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.271345][ T278] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.271349][ T278] __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)) [ 23.271351][ T278] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.271358][ T278] ? 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) [ 23.271360][ T278] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.271364][ T278] put_chars (drivers/char/virtio_console.c:1176) [ 23.271366][ T278] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.271367][ T278] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.271371][ T278] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.271376][ T278] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.271384][ T278] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.271387][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.271389][ T278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.271393][ T278] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.271396][ T278] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.271398][ T278] ? 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)) [ 23.271402][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.271403][ T278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.271407][ T278] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.271411][ T278] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.271413][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.271418][ T278] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.271421][ T278] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.271423][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.271425][ T278] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 23.271429][ T278] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.271431][ T278] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.271433][ T278] vprintk_emit (kernel/printk/printk.c:2479) [ 23.271436][ T278] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.271438][ T278] ? 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) [ 23.271441][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.271445][ T278] _printk (kernel/printk/printk.c:2504) [ 23.271448][ T278] ? snapshot_read.cold (user.c:?) [ 23.271451][ T278] ? 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) [ 23.271454][ T278] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.271457][ T278] ? 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) [ 23.271460][ T278] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 23.271464][ T278] ? exit_notify (kernel/exit.c:780) [ 23.271465][ T278] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.271468][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.271472][ T278] do_group_exit (kernel/exit.c:1151) [ 23.271474][ T278] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 23.271476][ T278] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 23.271479][ T278] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 23.271483][ T278] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 23.271486][ T278] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.271488][ T278] RIP: 0033:0x7f660217e1b8 [ 23.271490][ T278] Code: Unable to access opcode bytes at 0x7f660217e18e. Code starting with the faulting instruction =========================================== [ 23.271492][ T278] RSP: 002b:00007ffed81b9cc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.271494][ T278] RAX: ffffffffffffffda RBX: 00007f66022aef88 RCX: 00007f660217e1b8 [ 23.271495][ T278] RDX: 00007f66020bd408 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 23.271497][ T278] RBP: 00007ffed81b9d20 R08: 0000000000000000 R09: 0000000000000000 [ 23.271497][ T278] R10: 00007ffed81b9b40 R11: 0000000000000246 R12: 0000000000000001 [ 23.271498][ T278] R13: 0000000000000000 R14: 00007f66022ad680 R15: 00007f66022aefa0 | [ 30.543903][ T339] softirqs last disabled at (14894): ip6_route_add (./include/linux/spinlock.h:353 net/ipv6/route.c:1355 net/ipv6/route.c:3970) | [ 30.543906][ T339] Preemption disabled at: | [ 30.543907][ T339] 0x0 | [ 30.543918][ T339] Tainted: [W]=WARN [ 30.543919][ T339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.543921][ T339] Call Trace: [ 30.543922][ T339] [ 30.543925][ T339] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.543932][ T339] __might_resched.cold (kernel/sched/core.c:9234) [ 30.543939][ T339] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.543946][ T339] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.543951][ T339] __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)) [ 30.543953][ T339] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.543959][ T339] ? 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) [ 30.543963][ T339] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.543968][ T339] put_chars (drivers/char/virtio_console.c:1176) [ 30.543971][ T339] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.543975][ T339] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 30.543980][ T339] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.543985][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.543987][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.543992][ T339] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.543995][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.543998][ T339] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.544005][ T339] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.544009][ T339] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.544011][ T339] ? 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)) [ 30.544014][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.544016][ T339] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.544022][ T339] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.544027][ T339] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.544029][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.544034][ T339] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.544038][ T339] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.544041][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.544043][ T339] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 30.544047][ T339] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.544049][ T339] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.544052][ T339] vprintk_emit (kernel/printk/printk.c:2479) [ 30.544055][ T339] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.544058][ T339] ? net_dim (lib/dim/net_dim.c:371) [ 30.544065][ T339] _printk (kernel/printk/printk.c:2504) [ 30.544068][ T339] ? snapshot_read.cold (user.c:?) [ 30.544072][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.544074][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.544076][ T339] ? trace_percpu_alloc_percpu (./include/trace/events/percpu.h:11 (discriminator 22)) [ 30.544083][ T339] fib6_add_rt2node.cold (net/ipv6/ip6_fib.c:1303 (discriminator 1)) [ 30.544092][ T339] ? fib6_age_exceptions (./include/linux/list.h:1047 (discriminator 2)) [ 30.544097][ T339] ? fib6_add_1.constprop.0 (./include/linux/lockdep.h:249 net/ipv6/ip6_fib.c:782) [ 30.544104][ T339] ? fib6_add (net/ipv6/ip6_fib.c:1535) [ 30.544106][ T339] fib6_add (net/ipv6/ip6_fib.c:1535) [ 30.544111][ T339] ? fib6_add_rt2node (net/ipv6/ip6_fib.c:1197) [ 30.544119][ T339] ip6_route_add (net/ipv6/route.c:1356 net/ipv6/route.c:3970) [ 30.544121][ T339] ? rt6_add_route_info (net/ipv6/route.c:4455) [ 30.544123][ T339] inet6_rtm_newroute (net/ipv6/route.c:5689) [ 30.544126][ T339] ? rt6_add_route_info (net/ipv6/route.c:4455) [ 30.544127][ T339] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.544129][ T339] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.544139][ T339] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.544143][ T339] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/rtnetlink.c:7130 (discriminator 2)) [ 30.544146][ T339] ? rtnl_get_link (net/core/rtnetlink.c:409 (discriminator 8)) [ 30.544149][ T339] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.544153][ T339] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.544155][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.544161][ T339] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.544163][ T339] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.544167][ T339] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.544170][ T339] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.544175][ T339] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.544183][ T339] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 30.544185][ T339] ? 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)) [ 30.544189][ T339] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.544196][ T339] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.544199][ T339] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.544203][ T339] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.544207][ T339] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.544213][ T339] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.544216][ T339] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 30.544227][ T339] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 30.544232][ T339] ____sys_sendmsg (net/socket.c:2713) [ 30.544235][ T339] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.544239][ T339] ? sock_write_iter (net/socket.c:1269) [ 30.544241][ T339] ? move_addr_to_kernel (net/socket.c:258) [ 30.544248][ T339] ___sys_sendmsg (net/socket.c:2767) [ 30.544251][ T339] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.544270][ T339] __sys_sendmsg (net/socket.c:2799) [ 30.544275][ T339] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.544282][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.544285][ T339] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.544289][ T339] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.544292][ T339] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.544294][ T339] RIP: 0033:0x7fa457e9b54e [ 30.544297][ T339] 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 [ 30.544298][ T339] RSP: 002b:00007ffc76d53ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.544301][ T339] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa457e9b54e [ 30.544303][ T339] RDX: 0000000000000000 RSI: 00007ffc76d53d90 RDI: 0000000000000005 [ 30.544304][ T339] RBP: 00007ffc76d53cf0 R08: 0000000000000000 R09: 0000000000000000 [ 30.544305][ T339] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9103f1 [ 30.544306][ T339] R13: 00000000004a1620 R14: 00007ffc76d56878 R15: 0000000000000000 | [ 35.841971][ T343] softirqs last disabled at (3579161): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 35.841975][ T343] Preemption disabled at: | [ 35.841975][ T343] 0x0 | [ 35.841990][ T343] Tainted: [W]=WARN [ 35.841991][ T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.841994][ T343] Call Trace: [ 35.841996][ T343] [ 35.841998][ T343] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.842007][ T343] __might_resched.cold (kernel/sched/core.c:9234) [ 35.842014][ T343] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.842019][ T343] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.842026][ T343] __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)) [ 35.842030][ T343] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.842040][ T343] ? 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) [ 35.842044][ T343] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.842050][ T343] put_chars (drivers/char/virtio_console.c:1176) [ 35.842054][ T343] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.842056][ T343] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.842062][ T343] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.842075][ T343] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.842088][ T343] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.842093][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.842096][ T343] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.842103][ T343] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.842110][ T343] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.842113][ T343] ? 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)) [ 35.842118][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.842122][ T343] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.842129][ T343] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.842136][ T343] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.842139][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.842149][ T343] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.842154][ T343] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.842156][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.842160][ T343] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 35.842166][ T343] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.842169][ T343] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.842174][ T343] vprintk_emit (kernel/printk/printk.c:2479) [ 35.842180][ T343] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.842182][ T343] ? 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) [ 35.842188][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.842194][ T343] _printk (kernel/printk/printk.c:2504) [ 35.842200][ T343] ? snapshot_read.cold (user.c:?) [ 35.842204][ T343] ? 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) [ 35.842209][ T343] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.842216][ T343] ? 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) [ 35.842220][ T343] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 35.842226][ T343] ? exit_notify (kernel/exit.c:780) [ 35.842228][ T343] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.842233][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.842245][ T343] do_group_exit (kernel/exit.c:1151) [ 35.842250][ T343] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 35.842253][ T343] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 35.842257][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.842262][ T343] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.842267][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.842270][ T343] RIP: 0033:0x7f18b6cd91b8 [ 35.842274][ T343] Code: Unable to access opcode bytes at 0x7f18b6cd918e. Code starting with the faulting instruction =========================================== [ 35.842275][ T343] RSP: 002b:00007fff369cf498 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 35.842279][ T343] RAX: ffffffffffffffda RBX: 00007f18b6e09f88 RCX: 00007f18b6cd91b8 [ 35.842281][ T343] RDX: 00007f18b6c18408 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 35.842283][ T343] RBP: 00007fff369cf4f0 R08: 0000000000000000 R09: 0000000000000000 [ 35.842284][ T343] R10: 00007fff369cf310 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print ip6_route_add:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print