====================================== | [ 9.134457][ T124] softirqs last disabled at (112299): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.134460][ T124] Preemption disabled at: | [ 9.134460][ T124] 0x0 | [ 9.134471][ T124] Tainted: [W]=WARN [ 9.134472][ T124] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.134473][ T124] Call Trace: [ 9.134475][ T124] [ 9.134476][ T124] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.134482][ T124] __might_resched.cold (kernel/sched/core.c:9234) [ 9.134486][ T124] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.134490][ T124] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.134495][ T124] __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)) [ 9.134497][ T124] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.134503][ T124] ? 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) [ 9.134506][ T124] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.134509][ T124] put_chars (drivers/char/virtio_console.c:1176) [ 9.134512][ T124] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.134518][ T124] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.134525][ T124] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.134528][ T124] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.134532][ T124] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.134536][ T124] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.134537][ T124] ? 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)) [ 9.134539][ T124] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.134543][ T124] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.134547][ T124] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.134550][ T124] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.134552][ T124] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.134557][ T124] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.134559][ T124] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.134560][ T124] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.134562][ T124] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.134566][ T124] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.134568][ T124] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.134571][ T124] vprintk_emit (kernel/printk/printk.c:2479) [ 9.134574][ T124] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.134577][ T124] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.134580][ T124] _printk (kernel/printk/printk.c:2504) [ 9.134584][ T124] ? snapshot_read.cold (user.c:?) [ 9.134586][ T124] ? 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) [ 9.134589][ T124] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.134593][ T124] ? 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) [ 9.134596][ T124] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.134600][ T124] ? exit_notify (kernel/exit.c:780) [ 9.134601][ T124] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.134604][ T124] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.134608][ T124] do_group_exit (kernel/exit.c:1151) [ 9.134611][ T124] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.134613][ T124] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.134615][ T124] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.134618][ T124] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.134622][ T124] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.134624][ T124] RIP: 0033:0x7f30475301b8 [ 9.134626][ T124] Code: Unable to access opcode bytes at 0x7f304753018e. Code starting with the faulting instruction =========================================== [ 9.134627][ T124] RSP: 002b:00007ffd108441e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.134629][ T124] RAX: ffffffffffffffda RBX: 00007f3047660f88 RCX: 00007f30475301b8 [ 9.134631][ T124] RDX: 00007f304656bb08 RSI: ffffffffffffff98 RDI: 0000000000000000 [ 9.134632][ T124] RBP: 00007ffd10844240 R08: 0000000000000000 R09: 00000000000000a0 [ 9.134632][ T124] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 9.134633][ T124] R13: 0000000000000000 R14: 00007f304765f680 R15: 00007f3047660fa0 | [ 10.426085][ T173] softirqs last disabled at (100117): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.426087][ T173] Preemption disabled at: | [ 10.426088][ T173] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.426097][ T173] Tainted: [W]=WARN [ 10.426098][ T173] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.426099][ T173] Call Trace: [ 10.426101][ T173] [ 10.426102][ T173] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.426107][ T173] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.426109][ T173] __might_resched.cold (kernel/sched/core.c:9234) [ 10.426113][ T173] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.426116][ T173] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.426121][ T173] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.426124][ T173] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.426130][ T173] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.426133][ T173] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.426136][ T173] put_chars (drivers/char/virtio_console.c:1176) [ 10.426138][ T173] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.426140][ T173] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.426144][ T173] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.426147][ T173] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.426152][ T173] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.426155][ T173] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.426160][ T173] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.426163][ T173] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.426168][ T173] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.426171][ T173] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.426172][ T173] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.426175][ T173] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.426176][ T173] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.426181][ T173] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.426184][ T173] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.426185][ T173] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.426191][ T173] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.426193][ T173] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.426194][ T173] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.426196][ T173] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.426200][ T173] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.426201][ T173] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.426204][ T173] vprintk_emit (kernel/printk/printk.c:2479) [ 10.426208][ T173] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.426209][ T173] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.426214][ T173] ? lookup_object_or_alloc.part.0 (lib/debugobjects.c:696) [ 10.426220][ T173] _printk (kernel/printk/printk.c:2504) [ 10.426224][ T173] ? snapshot_read.cold (user.c:?) [ 10.426227][ T173] ? lockdep_init_map_type (kernel/locking/lockdep.c:4989) [ 10.426230][ T173] ? __rhashtable_init_noprof (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 lib/rhashtable.c:1224) [ 10.426235][ T173] sctp_init (net/sctp/sm_statetable.c:1037 net/sctp/sm_statetable.c:73) sctp [ 10.426250][ T173] ? sctp_exit (net/sctp/sm_statetable.c:78 (discriminator 6)) sctp [ 10.426258][ T173] do_one_initcall (init/main.c:1357) [ 10.426261][ T173] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.426266][ T173] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.426268][ T173] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.426273][ T173] do_init_module (kernel/module/main.c:3117) [ 10.426276][ T173] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.426279][ T173] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.426281][ T173] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.426285][ T173] load_module (kernel/module/main.c:3593) [ 10.426292][ T173] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.426297][ T173] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.426300][ T173] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.426303][ T173] init_module_from_file (kernel/module/main.c:3790) [ 10.426306][ T173] ? __ia32_sys_init_module (kernel/module/main.c:3647) [ 10.426314][ T173] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.426318][ T173] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.426321][ T173] idempotent_init_module (kernel/module/main.c:3802) [ 10.426324][ T173] ? init_module_from_file (kernel/module/main.c:3791) [ 10.426329][ T173] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.426331][ T173] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.426336][ T173] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.426338][ T173] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.426341][ T173] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.426343][ T173] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.426346][ T173] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.426348][ T173] RIP: 0033:0x7f547afa337d [ 10.426352][ T173] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 10.426353][ T173] RSP: 002b:00007fff79c949b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.426356][ T173] RAX: ffffffffffffffda RBX: 000055610a1b39c0 RCX: 00007f547afa337d [ 10.426357][ T173] RDX: 0000000000000000 RSI: 00005560f31ebffd RDI: 0000000000000007 [ 10.426358][ T173] RBP: 00007fff79c94a50 R08: 0000000000000000 R09: 0000000000000000 [ 10.426359][ T173] R10: 0000000000000000 R11: 0000000000000246 R12: 00005560f31ebffd [ 10.426360][ T173] R13: 000055610a1b3ae0 R14: 0000000000040000 R15: 0000000000000000 | [ 11.436887][ T204] softirqs last disabled at (36567): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.436889][ T204] Preemption disabled at: | [ 11.436890][ T204] 0x0 | [ 11.436900][ T204] Tainted: [W]=WARN [ 11.436901][ T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.436903][ T204] Call Trace: [ 11.436904][ T204] [ 11.436906][ T204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.436911][ T204] __might_resched.cold (kernel/sched/core.c:9234) [ 11.436916][ T204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.436919][ T204] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.436924][ T204] __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)) [ 11.436927][ T204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.436933][ T204] ? 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) [ 11.436936][ T204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.436939][ T204] put_chars (drivers/char/virtio_console.c:1176) [ 11.436942][ T204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.436948][ T204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.436955][ T204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.436958][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.436965][ T204] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.436968][ T204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.436970][ T204] ? 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)) [ 11.436972][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.436975][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.436979][ T204] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.436983][ T204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.436984][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.436990][ T204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.436992][ T204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.436993][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.436995][ T204] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.436999][ T204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.437001][ T204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.437003][ T204] vprintk_emit (kernel/printk/printk.c:2479) [ 11.437006][ T204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.437009][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.437013][ T204] _printk (kernel/printk/printk.c:2504) [ 11.437017][ T204] ? snapshot_read.cold (user.c:?) [ 11.437020][ T204] ? 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) [ 11.437022][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.437026][ T204] ? 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) [ 11.437029][ T204] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.437033][ T204] ? exit_notify (kernel/exit.c:780) [ 11.437034][ T204] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.437037][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.437041][ T204] do_group_exit (kernel/exit.c:1151) [ 11.437044][ T204] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.437046][ T204] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.437049][ T204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.437053][ T204] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.437056][ T204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.437058][ T204] RIP: 0033:0x7f2eb9a051b8 [ 11.437061][ T204] Code: Unable to access opcode bytes at 0x7f2eb9a0518e. Code starting with the faulting instruction =========================================== [ 11.437062][ T204] RSP: 002b:00007ffe8310b5d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.437064][ T204] RAX: ffffffffffffffda RBX: 00007f2eb9b35f88 RCX: 00007f2eb9a051b8 [ 11.437065][ T204] RDX: 00007f2eb974ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.437066][ T204] RBP: 00007ffe8310b630 R08: 0000000000000000 R09: 0000000000000000 [ 11.437067][ T204] R10: 00007ffe8310b3f0 R11: 0000000000000246 R12: 0000000000000001 [ 11.437068][ T204] R13: 0000000000000000 R14: 00007f2eb9b34680 R15: 00007f2eb9b35fa0 | [ 31.233325][ C1] | [ 31.233325][ C1] | [ 31.233325][ C1] stack backtrace: | [ 31.233331][ C1] Tainted: [W]=WARN [ 31.233332][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.233334][ C1] Call Trace: [ 31.233335][ C1] [ 31.233336][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.233339][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 31.233342][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 31.233345][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 31.233347][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 31.233349][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 31.233352][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.233353][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 31.233355][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233358][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.233360][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 31.233361][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 31.233362][ C1] console_emit_next_record (kernel/printk/printk.c:3177) [ 31.233364][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.233365][ C1] ? 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)) [ 31.233367][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233368][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.233370][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.233372][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.233373][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.233376][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.233377][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.233378][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233379][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.233381][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.233384][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.233385][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 31.233387][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.233389][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 31.233392][ C1] _printk (kernel/printk/printk.c:2504) [ 31.233394][ C1] ? snapshot_read.cold (user.c:?) [ 31.233396][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 31.233399][ C1] ? idr_get_free (??:?) [ 31.233401][ C1] tcp_syn_flood_action.cold (net/ipv4/tcp_input.c:7562 (discriminator 3)) [ 31.233403][ C1] tcp_conn_request (net/ipv4/tcp_input.c:7659) [ 31.233405][ C1] ? reuseport_select_sock (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/sock_reuseport.c:606 (discriminator 2)) [ 31.233408][ C1] ? reuseport_select_sock (net/core/sock_reuseport.c:586 (discriminator 3)) [ 31.233410][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.233412][ C1] ? tcp_get_syncookie_mss (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.233414][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.233416][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.233418][ C1] ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6)) [ 31.233420][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233422][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.233424][ C1] ? tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 31.233425][ C1] tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 31.233427][ C1] tcp_v4_rcv_listen.constprop.0.isra.0 (net/ipv4/tcp_ipv4.c:1930) [ 31.233429][ C1] ? tcp_v4_fill_cb (net/ipv4/tcp_ipv4.c:2099) [ 31.233430][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2286) [ 31.233433][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 31.233435][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.233437][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.233439][ C1] ? 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)) [ 31.233440][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 31.233442][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 31.233444][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 31.233446][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 31.233447][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 31.233449][ C1] ? ip_protocol_deliver_rcu (net/ipv4/ip_input.c:213 (discriminator 42)) [ 31.233450][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.233452][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 31.233454][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 31.233455][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 31.233457][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233458][ C1] ? ip_rcv_finish_core (net/ipv4/ip_input.c:390 (discriminator 3)) [ 31.233460][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.233461][ C1] ? perf_trace_rcu_grace_period_init (./include/trace/events/rcu.h:147 (discriminator 24) ./include/trace/events/rcu.h:147 (discriminator 24)) [ 31.233464][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 31.233466][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 31.233467][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.233469][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 31.233471][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 31.233473][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233474][ C1] process_backlog (net/core/dev.c:6728) [ 31.233477][ C1] __napi_poll (net/core/dev.c:7787) [ 31.233479][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 31.233481][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.233483][ C1] ? __napi_poll (./include/net/gro.h:507) [ 31.233487][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 31.233490][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 31.233492][ C1] handle_softirqs (kernel/softirq.c:645) [ 31.233495][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 31.233496][ C1] ? 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) [ 31.233498][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233499][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 31.233501][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 31.233503][ C1] [ 31.233504][ C1] [ 31.233504][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 31.233509][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 31.233512][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 31.233514][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.233515][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.233517][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.233519][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233520][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 31.233522][ C1] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 31.233525][ C1] ? neigh_hh_output (./include/net/neighbour.h:525) [ 31.233527][ C1] ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236) [ 31.233528][ C1] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 31.233530][ C1] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 31.233533][ C1] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 31.233534][ C1] ? ip_finish_output (./include/linux/cgroup.h:915) [ 31.233536][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.233538][ C1] ? __ip_finish_output (./include/linux/skbuff.h:1165) [ 31.233539][ C1] ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2)) [ 31.233541][ C1] __ip_queue_xmit (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:533 (discriminator 4)) [ 31.233544][ C1] __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 31.233546][ C1] ? tcp_call_bpf (./include/net/tcp.h:2911) [ 31.233548][ C1] ? tcp_clone_payload (./include/linux/skbuff.h:1725) [ 31.233550][ C1] ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23) [ 31.233552][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 31.233555][ C1] ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6)) [ 31.233556][ C1] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 31.233559][ C1] ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004) [ 31.233561][ C1] tcp_connect (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:4383) [ 31.233564][ C1] tcp_v4_connect (net/ipv4/tcp_ipv4.c:345) [ 31.233566][ C1] ? established_get_first (net/ipv4/tcp_ipv4.c:2614 (discriminator 1)) [ 31.233567][ C1] ? 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) [ 31.233569][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.233571][ C1] __inet_stream_connect (net/ipv4/af_inet.c:690) [ 31.233573][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 31.233575][ C1] inet_stream_connect (net/ipv4/af_inet.c:761) [ 31.233578][ C1] __sys_connect (net/socket.c:2141 (discriminator 3) net/socket.c:2166 (discriminator 3) net/socket.c:2183 (discriminator 3)) [ 31.233579][ C1] ? do_fcntl (fs/fcntl.c:477) [ 31.233582][ C1] ? __sys_connect_file (net/socket.c:2141 (discriminator 3)) [ 31.233585][ C1] ? fdget_raw (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1214) [ 31.233587][ C1] __x64_sys_connect (net/socket.c:2189 net/socket.c:2186 net/socket.c:2186) [ 31.233589][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 31.233591][ C1] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 31.233592][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.233594][ C1] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.233596][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.233597][ C1] RIP: 0033:0x7fa7ab66354e [ 31.233601][ C1] 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 [ 31.233603][ C1] RSP: 002b:00007ffd73f40510 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 31.233605][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7ab66354e [ 31.233607][ C1] RDX: 0000000000000010 RSI: 00007ffd73f405a0 RDI: 0000000000000005 [ 31.233608][ C1] RBP: 00007ffd73f40520 R08: 0000000000000000 R09: 0000000000000000 [ 31.233608][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd73f40718 [ 31.233609][ C1] R13: 0000000000000005 R14: 00007fa7ab834000 R15: 0000000000402e00 | [ 31.233627][ C1] softirqs last disabled at (7327): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 31.233629][ C1] Preemption disabled at: | [ 31.233629][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 31.233634][ C1] Tainted: [W]=WARN [ 31.233635][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.233636][ C1] Call Trace: [ 31.233636][ C1] [ 31.233637][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.233638][ C1] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 31.233640][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 31.233643][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.233645][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233647][ C1] __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)) [ 31.233649][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.233651][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.233653][ C1] ? 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) [ 31.233654][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.233656][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 31.233658][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.233661][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.233663][ C1] ? mark_usage (kernel/locking/lockdep.c:4658) [ 31.233665][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 31.233667][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.233668][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.233670][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233672][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.233674][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.233675][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.233677][ C1] ? 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)) [ 31.233678][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233679][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.233681][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.233683][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.233684][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.233687][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.233688][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.233689][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233691][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.233693][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.233694][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.233696][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 31.233698][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.233699][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 31.233702][ C1] _printk (kernel/printk/printk.c:2504) [ 31.233703][ C1] ? snapshot_read.cold (user.c:?) [ 31.233705][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 31.233707][ C1] ? idr_get_free (??:?) [ 31.233709][ C1] tcp_syn_flood_action.cold (net/ipv4/tcp_input.c:7562 (discriminator 3)) [ 31.233711][ C1] tcp_conn_request (net/ipv4/tcp_input.c:7659) [ 31.233713][ C1] ? reuseport_select_sock (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/sock_reuseport.c:606 (discriminator 2)) [ 31.233715][ C1] ? reuseport_select_sock (net/core/sock_reuseport.c:586 (discriminator 3)) [ 31.233717][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.233719][ C1] ? tcp_get_syncookie_mss (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.233721][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.233723][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.233729][ C1] ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6)) [ 31.233732][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233733][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.233735][ C1] ? tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 31.233737][ C1] tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 31.233739][ C1] tcp_v4_rcv_listen.constprop.0.isra.0 (net/ipv4/tcp_ipv4.c:1930) [ 31.233741][ C1] ? tcp_v4_fill_cb (net/ipv4/tcp_ipv4.c:2099) [ 31.233742][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2286) [ 31.233744][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 31.233746][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.233748][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.233750][ C1] ? 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)) [ 31.233752][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 31.233753][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 31.233755][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 31.233757][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 31.233759][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 31.233760][ C1] ? ip_protocol_deliver_rcu (net/ipv4/ip_input.c:213 (discriminator 42)) [ 31.233762][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.233764][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 31.233766][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 31.233767][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 31.233768][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233770][ C1] ? ip_rcv_finish_core (net/ipv4/ip_input.c:390 (discriminator 3)) [ 31.233771][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.233773][ C1] ? perf_trace_rcu_grace_period_init (./include/trace/events/rcu.h:147 (discriminator 24) ./include/trace/events/rcu.h:147 (discriminator 24)) [ 31.233775][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 31.233776][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 31.233778][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.233780][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 31.233782][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 31.233783][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233785][ C1] process_backlog (net/core/dev.c:6728) [ 31.233788][ C1] __napi_poll (net/core/dev.c:7787) [ 31.233790][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 31.233792][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.233794][ C1] ? __napi_poll (./include/net/gro.h:507) [ 31.233797][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 31.233799][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 31.233802][ C1] handle_softirqs (kernel/softirq.c:645) [ 31.233804][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 31.233805][ C1] ? 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) [ 31.233807][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233809][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 31.233810][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 31.233812][ C1] [ 31.233813][ C1] [ 31.233813][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 31.233815][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 31.233818][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 31.233820][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.233821][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.233823][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.233825][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.233826][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 31.233828][ C1] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 31.233829][ C1] ? neigh_hh_output (./include/net/neighbour.h:525) [ 31.233831][ C1] ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236) [ 31.233833][ C1] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 31.233835][ C1] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 31.233837][ C1] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 31.233839][ C1] ? ip_finish_output (./include/linux/cgroup.h:915) [ 31.233840][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.233842][ C1] ? __ip_finish_output (./include/linux/skbuff.h:1165) [ 31.233844][ C1] ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2)) [ 31.233846][ C1] __ip_queue_xmit (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:533 (discriminator 4)) [ 31.233848][ C1] __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 31.233851][ C1] ? tcp_call_bpf (./include/net/tcp.h:2911) [ 31.233852][ C1] ? tcp_clone_payload (./include/linux/skbuff.h:1725) [ 31.233854][ C1] ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23) [ 31.233856][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 31.233858][ C1] ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6)) [ 31.233860][ C1] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 31.233861][ C1] ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004) [ 31.233863][ C1] tcp_connect (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:4383) [ 31.233866][ C1] tcp_v4_connect (net/ipv4/tcp_ipv4.c:345) [ 31.233868][ C1] ? established_get_first (net/ipv4/tcp_ipv4.c:2614 (discriminator 1)) [ 31.233869][ C1] ? 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) [ 31.233871][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.233873][ C1] __inet_stream_connect (net/ipv4/af_inet.c:690) [ 31.233875][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 31.233877][ C1] inet_stream_connect (net/ipv4/af_inet.c:761) [ 31.233880][ C1] __sys_connect (net/socket.c:2141 (discriminator 3) net/socket.c:2166 (discriminator 3) net/socket.c:2183 (discriminator 3)) [ 31.233881][ C1] ? do_fcntl (fs/fcntl.c:477) [ 31.233883][ C1] ? __sys_connect_file (net/socket.c:2141 (discriminator 3)) [ 31.233886][ C1] ? fdget_raw (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1214) [ 31.233888][ C1] __x64_sys_connect (net/socket.c:2189 net/socket.c:2186 net/socket.c:2186) [ 31.233889][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 31.233891][ C1] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 31.233892][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.233894][ C1] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.233896][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.233897][ C1] RIP: 0033:0x7fa7ab66354e [ 31.233898][ C1] 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 [ 31.233899][ C1] RSP: 002b:00007ffd73f40510 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 31.233901][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7ab66354e [ 31.233902][ C1] RDX: 0000000000000010 RSI: 00007ffd73f405a0 RDI: 0000000000000005 [ 31.233902][ C1] RBP: 00007ffd73f40520 R08: 0000000000000000 R09: 0000000000000000 [ 31.233903][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd73f40718 [ 31.233904][ C1] R13: 0000000000000005 R14: 00007fa7ab834000 R15: 0000000000402e00 | [ 32.471439][ C2] softirqs last disabled at (7327): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 32.471443][ C2] Preemption disabled at: | [ 32.471443][ C2] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 32.471453][ C2] Tainted: [W]=WARN [ 32.471454][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.471456][ C2] Call Trace: [ 32.471458][ C2] [ 32.471459][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.471463][ C2] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 32.471465][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 32.471469][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.471471][ C2] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 32.471473][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471476][ C2] __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)) [ 32.471479][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.471482][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.471486][ C2] ? 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) [ 32.471488][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.471491][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 32.471492][ C2] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 32.471494][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.471496][ C2] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 32.471498][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.471502][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.471503][ C2] ? 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) [ 32.471505][ C2] ? vsnprintf (lib/vsprintf.c:2900) [ 32.471509][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.471511][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471512][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.471515][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.471517][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.471518][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471519][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471520][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471521][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.471523][ C2] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.471525][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.471526][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.471529][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.471530][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.471532][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.471533][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471534][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.471535][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.471537][ C2] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 32.471539][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.471540][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.471542][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 32.471544][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.471545][ C2] ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123) [ 32.471547][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471548][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.471550][ C2] _printk (kernel/printk/printk.c:2504) [ 32.471553][ C2] ? snapshot_read.cold (user.c:?) [ 32.471555][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 32.471557][ C2] ? idr_get_free (??:?) [ 32.471559][ C2] tcp_syn_flood_action.cold (net/ipv4/tcp_input.c:7562 (discriminator 3)) [ 32.471563][ C2] tcp_conn_request (net/ipv4/tcp_input.c:7659) [ 32.471567][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.471568][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471570][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.471572][ C2] ? reuseport_select_sock (net/core/sock_reuseport.c:586 (discriminator 3)) [ 32.471575][ C2] ? tcp_get_syncookie_mss (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.471577][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471580][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471581][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.471583][ C2] ? tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 32.471585][ C2] tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 32.471587][ C2] tcp_v4_rcv_listen.constprop.0.isra.0 (net/ipv4/tcp_ipv4.c:1930) [ 32.471589][ C2] ? tcp_v4_fill_cb (net/ipv4/tcp_ipv4.c:2099) [ 32.471590][ C2] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2286) [ 32.471593][ C2] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.471595][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471596][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.471598][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 32.471601][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.471603][ C2] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 32.471605][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.471607][ C2] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 32.471608][ C2] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 32.471610][ C2] ? ip_protocol_deliver_rcu (net/ipv4/ip_input.c:213 (discriminator 42)) [ 32.471611][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471613][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.471614][ C2] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 32.471616][ C2] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 32.471617][ C2] ? tcp_v4_connect (net/ipv4/tcp_ipv4.c:345) [ 32.471618][ C2] ? __inet_stream_connect (net/ipv4/af_inet.c:690) [ 32.471621][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471622][ C2] ? ip_rcv_finish_core (net/ipv4/ip_input.c:390 (discriminator 3)) [ 32.471624][ C2] ? __update_load_avg_se (kernel/sched/pelt.c:314) [ 32.471628][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.471629][ C2] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 32.471631][ C2] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 32.471633][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471635][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471636][ C2] process_backlog (net/core/dev.c:6728) [ 32.471639][ C2] __napi_poll (net/core/dev.c:7787) [ 32.471641][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 32.471643][ C2] ? __napi_poll (./include/net/gro.h:507) [ 32.471645][ C2] ? do_raw_spin_lock (kernel/locking/spinlock_debug.c:88 (discriminator 3) kernel/locking/spinlock_debug.c:115 (discriminator 3)) [ 32.471647][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471648][ C2] ? timerqueue_linked_add (./include/linux/rbtree.h:239 ./include/linux/rbtree.h:281 lib/timerqueue.c:96) [ 32.471651][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 32.471655][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471656][ C2] handle_softirqs (kernel/softirq.c:645) [ 32.471658][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471660][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 32.471661][ C2] ? 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) [ 32.471663][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471664][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 32.471666][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 32.471668][ C2] [ 32.471668][ C2] [ 32.471669][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 32.471671][ C2] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 32.471674][ C2] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 32.471676][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471677][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.471679][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471680][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 32.471683][ C2] ? neigh_hh_output (./include/net/neighbour.h:525) [ 32.471685][ C2] ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236) [ 32.471687][ C2] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:850 ./include/net/ip.h:475) [ 32.471688][ C2] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 32.471690][ C2] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 32.471692][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471693][ C2] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 32.471695][ C2] ? ip_finish_output (./include/linux/cgroup.h:915) [ 32.471697][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.471699][ C2] ? __ip_finish_output (./include/linux/skbuff.h:1165) [ 32.471700][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.471702][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471703][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.471705][ C2] __ip_queue_xmit (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:533 (discriminator 4)) [ 32.471707][ C2] __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 32.471710][ C2] ? tcp_call_bpf (./include/net/tcp.h:2911) [ 32.471712][ C2] ? tcp_clone_payload (./include/linux/skbuff.h:1725) [ 32.471714][ C2] ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23) [ 32.471716][ C2] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.471718][ C2] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 32.471721][ C2] ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004) [ 32.471723][ C2] tcp_connect (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:4383) [ 32.471726][ C2] tcp_v4_connect (net/ipv4/tcp_ipv4.c:345) [ 32.471733][ C2] ? established_get_first (net/ipv4/tcp_ipv4.c:2614 (discriminator 1)) [ 32.471734][ C2] ? lockdep_init_map_type (kernel/locking/lockdep.c:4989) [ 32.471736][ C2] ? 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) [ 32.471738][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.471740][ C2] __inet_stream_connect (net/ipv4/af_inet.c:690) [ 32.471742][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.471744][ C2] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 32.471745][ C2] inet_stream_connect (net/ipv4/af_inet.c:761) [ 32.471748][ C2] __sys_connect (net/socket.c:2141 (discriminator 3) net/socket.c:2166 (discriminator 3) net/socket.c:2183 (discriminator 3)) [ 32.471751][ C2] ? do_fcntl (fs/fcntl.c:477) [ 32.471754][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.471755][ C2] ? __sys_connect_file (net/socket.c:2141 (discriminator 3)) [ 32.471758][ C2] ? fdget_raw (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1214) [ 32.471761][ C2] __x64_sys_connect (net/socket.c:2189 net/socket.c:2186 net/socket.c:2186) [ 32.471762][ C2] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.471764][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.471766][ C2] ? irq_exit_rcu (kernel/softirq.c:786) [ 32.471768][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.471770][ C2] RIP: 0033:0x7fa7ab66354e [ 32.471774][ C2] 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 [ 32.471775][ C2] RSP: 002b:00007ffd73f40510 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 32.471779][ C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7ab66354e [ 32.471781][ C2] RDX: 0000000000000010 RSI: 00007ffd73f405a0 RDI: 0000000000000005 [ 32.471782][ C2] RBP: 00007ffd73f40520 R08: 0000000000000000 R09: 0000000000000000 [ 32.471782][ C2] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd73f40718 [ 32.471783][ C2] R13: 0000000000000005 R14: 00007fa7ab834000 R15: 0000000000402e00 | [ 33.483916][ C1] softirqs last disabled at (7327): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 33.483921][ C1] Preemption disabled at: | [ 33.483922][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 33.483934][ C1] Tainted: [W]=WARN [ 33.483935][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.483938][ C1] Call Trace: [ 33.483940][ C1] [ 33.483942][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.483947][ C1] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 33.483950][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 33.483955][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.483959][ C1] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 33.483961][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.483968][ C1] __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)) [ 33.483973][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.483976][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.483981][ C1] ? 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) [ 33.483984][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.483987][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 33.483990][ C1] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 33.483993][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.483996][ C1] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 33.483999][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.484005][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.484007][ C1] ? 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) [ 33.484010][ C1] ? vsnprintf (lib/vsprintf.c:2900) [ 33.484014][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.484017][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484019][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.484023][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.484026][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.484028][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484030][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484032][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484034][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.484037][ C1] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 33.484039][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.484042][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.484046][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.484048][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.484051][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.484052][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484054][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.484057][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.484059][ C1] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 33.484062][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.484064][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.484067][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 33.484070][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.484072][ C1] ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123) [ 33.484075][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484077][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.484080][ C1] _printk (kernel/printk/printk.c:2504) [ 33.484084][ C1] ? snapshot_read.cold (user.c:?) [ 33.484086][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 33.484090][ C1] ? idr_get_free (??:?) [ 33.484093][ C1] tcp_syn_flood_action.cold (net/ipv4/tcp_input.c:7562 (discriminator 3)) [ 33.484098][ C1] tcp_conn_request (net/ipv4/tcp_input.c:7659) [ 33.484103][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.484105][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484107][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.484110][ C1] ? reuseport_select_sock (net/core/sock_reuseport.c:586 (discriminator 3)) [ 33.484115][ C1] ? tcp_get_syncookie_mss (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.484119][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484122][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484124][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.484128][ C1] ? tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 33.484130][ C1] tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 33.484133][ C1] tcp_v4_rcv_listen.constprop.0.isra.0 (net/ipv4/tcp_ipv4.c:1930) [ 33.484136][ C1] ? tcp_v4_fill_cb (net/ipv4/tcp_ipv4.c:2099) [ 33.484139][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2286) [ 33.484143][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.484146][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484148][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 33.484151][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 33.484156][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 33.484158][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 33.484161][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.484163][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 33.484166][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 33.484169][ C1] ? ip_protocol_deliver_rcu (net/ipv4/ip_input.c:213 (discriminator 42)) [ 33.484171][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484174][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 33.484176][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 33.484178][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 33.484180][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484183][ C1] ? ip_rcv_finish_core (net/ipv4/ip_input.c:390 (discriminator 3)) [ 33.484185][ C1] ? trace_pelt_se_tp (./include/trace/events/sched.h:853 (discriminator 22)) [ 33.484190][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 33.484192][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 33.484195][ C1] ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687) [ 33.484199][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 33.484201][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484204][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484206][ C1] process_backlog (net/core/dev.c:6728) [ 33.484210][ C1] __napi_poll (net/core/dev.c:7787) [ 33.484213][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 33.484217][ C1] ? __napi_poll (./include/net/gro.h:507) [ 33.484220][ C1] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 33.484224][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 33.484229][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484232][ C1] handle_softirqs (kernel/softirq.c:645) [ 33.484235][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484237][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 33.484239][ C1] ? 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) [ 33.484242][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484244][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 33.484247][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 33.484250][ C1] [ 33.484250][ C1] [ 33.484251][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 33.484255][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 33.484259][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 33.484262][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484265][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.484267][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484269][ C1] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 33.484273][ C1] ? neigh_hh_output (./include/net/neighbour.h:525) [ 33.484276][ C1] ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236) [ 33.484279][ C1] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:850 ./include/net/ip.h:475) [ 33.484281][ C1] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 33.484284][ C1] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 33.484287][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484290][ C1] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 33.484292][ C1] ? ip_finish_output (./include/linux/cgroup.h:915) [ 33.484295][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.484298][ C1] ? __ip_finish_output (./include/linux/skbuff.h:1165) [ 33.484300][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.484302][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484305][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.484308][ C1] __ip_queue_xmit (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:533 (discriminator 4)) [ 33.484311][ C1] __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 33.484315][ C1] ? tcp_call_bpf (./include/net/tcp.h:2911) [ 33.484318][ C1] ? tcp_clone_payload (./include/linux/skbuff.h:1725) [ 33.484321][ C1] ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23) [ 33.484324][ C1] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 33.484327][ C1] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 33.484331][ C1] ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004) [ 33.484334][ C1] tcp_connect (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:4383) [ 33.484338][ C1] tcp_v4_connect (net/ipv4/tcp_ipv4.c:345) [ 33.484342][ C1] ? established_get_first (net/ipv4/tcp_ipv4.c:2614 (discriminator 1)) [ 33.484344][ C1] ? lockdep_init_map_type (kernel/locking/lockdep.c:4989) [ 33.484347][ C1] ? 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) [ 33.484349][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.484353][ C1] __inet_stream_connect (net/ipv4/af_inet.c:690) [ 33.484357][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.484359][ C1] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 33.484362][ C1] inet_stream_connect (net/ipv4/af_inet.c:761) [ 33.484365][ C1] __sys_connect (net/socket.c:2141 (discriminator 3) net/socket.c:2166 (discriminator 3) net/socket.c:2183 (discriminator 3)) [ 33.484368][ C1] ? do_fcntl (fs/fcntl.c:477) [ 33.484372][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.484374][ C1] ? __sys_connect_file (net/socket.c:2141 (discriminator 3)) [ 33.484379][ C1] ? fdget_raw (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1214) [ 33.484382][ C1] __x64_sys_connect (net/socket.c:2189 net/socket.c:2186 net/socket.c:2186) [ 33.484385][ C1] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 33.484387][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.484390][ C1] ? irq_exit_rcu (kernel/softirq.c:786) [ 33.484393][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.484396][ C1] RIP: 0033:0x7fa7ab66354e [ 33.484401][ C1] 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 [ 33.484403][ C1] RSP: 002b:00007ffd73f40510 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 33.484408][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7ab66354e [ 33.484410][ C1] RDX: 0000000000000010 RSI: 00007ffd73f405a0 RDI: 0000000000000005 [ 33.484412][ C1] RBP: 00007ffd73f40520 R08: 0000000000000000 R09: 0000000000000000 [ 33.484413][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd73f40718 [ 33.484415][ C1] R13: 0000000000000005 R14: 00007fa7ab834000 R15: 0000000000402e00 | [ 88.948107][ T993] softirqs last disabled at (0): 0x0 | [ 88.948108][ T993] Preemption disabled at: | [ 88.948109][ T993] vprintk_emit (kernel/printk/printk.c:2471) | [ 88.948120][ T993] Tainted: [W]=WARN [ 88.948121][ T993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 88.948123][ T993] Call Trace: [ 88.948124][ T993] [ 88.948125][ T993] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 88.948130][ T993] ? vprintk_emit (kernel/printk/printk.c:2471) [ 88.948131][ T993] __might_resched.cold (kernel/sched/core.c:9234) [ 88.948135][ T993] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 88.948137][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.948140][ T993] __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)) [ 88.948144][ T993] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 88.948146][ T993] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 88.948150][ T993] ? 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) [ 88.948152][ T993] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 88.948154][ T993] put_chars (drivers/char/virtio_console.c:1176) [ 88.948156][ T993] ? __send_to_port (drivers/char/virtio_console.c:654) [ 88.948158][ T993] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 88.948160][ T993] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 88.948164][ T993] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 88.948165][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.948166][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.948167][ T993] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.948170][ T993] console_emit_next_record (kernel/printk/printk.c:3183) [ 88.948172][ T993] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 88.948173][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.948174][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.948175][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.948176][ T993] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.948178][ T993] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 88.948179][ T993] console_flush_one_record (kernel/printk/printk.c:3268) [ 88.948181][ T993] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 88.948183][ T993] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 88.948184][ T993] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.948186][ T993] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 88.948187][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.948188][ T993] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 88.948189][ T993] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 88.948191][ T993] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 88.948192][ T993] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 88.948195][ T993] ? vprintk_emit (kernel/printk/printk.c:2478) [ 88.948196][ T993] vprintk_emit (kernel/printk/printk.c:2479) [ 88.948198][ T993] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 88.948200][ T993] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 88.948204][ T993] ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc [ 88.948206][ T993] _printk (kernel/printk/printk.c:2504) [ 88.948209][ T993] ? snapshot_read.cold (user.c:?) [ 88.948211][ T993] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 88.948212][ T993] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 88.948215][ T993] ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021) [ 88.948217][ T993] br_init (bridge.mod.c:?) bridge [ 88.948233][ T993] do_one_initcall (init/main.c:1357) [ 88.948236][ T993] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 88.948238][ T993] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 88.948240][ T993] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 88.948243][ T993] do_init_module (kernel/module/main.c:3117) [ 88.948245][ T993] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 88.948246][ T993] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 88.948249][ T993] load_module (kernel/module/main.c:3593) [ 88.948251][ T993] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 88.948253][ T993] ? backing_file_read_iter (fs/backing-file.c:211) [ 88.948256][ T993] init_module_from_file (kernel/module/main.c:3790) [ 88.948258][ T993] ? __ia32_sys_init_module (kernel/module/main.c:3647) [ 88.948260][ T993] ? ovl_mmap (fs/overlayfs/file.c:477) [ 88.948264][ T993] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 88.948266][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.948267][ T993] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 88.948269][ T993] ? 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) [ 88.948271][ T993] idempotent_init_module (kernel/module/main.c:3802) [ 88.948272][ T993] ? init_module_from_file (kernel/module/main.c:3791) [ 88.948275][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.948276][ T993] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 88.948278][ T993] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 88.948280][ T993] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 88.948283][ T993] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 88.948285][ T993] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 88.948287][ T993] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 88.948289][ T993] RIP: 0033:0x7fd79d57737d [ 88.948291][ T993] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 88.948293][ T993] RSP: 002b:00007fffd0036448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 88.948296][ T993] RAX: ffffffffffffffda RBX: 000056534570a810 RCX: 00007fd79d57737d [ 88.948297][ T993] RDX: 0000000000000000 RSI: 000056532e58effd RDI: 0000000000000002 [ 88.948298][ T993] RBP: 00007fffd00364e0 R08: 0000000000000000 R09: 0000000000000000 [ 88.948299][ T993] R10: 0000000000000000 R11: 0000000000000246 R12: 000056532e58effd [ 88.948300][ T993] R13: 000056534570a9c0 R14: 0000000000040000 R15: 0000000000000000 | [ 95.095052][ T1015] softirqs last disabled at (0): 0x0 | [ 95.095054][ T1015] Preemption disabled at: | [ 95.095054][ T1015] 0x0 | [ 95.095063][ T1015] Tainted: [W]=WARN [ 95.095064][ T1015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 95.095065][ T1015] Call Trace: [ 95.095067][ T1015] [ 95.095068][ T1015] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 95.095073][ T1015] __might_resched.cold (kernel/sched/core.c:9234) [ 95.095077][ T1015] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 95.095079][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.095082][ T1015] __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)) [ 95.095086][ T1015] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.095088][ T1015] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.095093][ T1015] ? 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) [ 95.095094][ T1015] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.095096][ T1015] put_chars (drivers/char/virtio_console.c:1176) [ 95.095098][ T1015] ? __send_to_port (drivers/char/virtio_console.c:654) [ 95.095100][ T1015] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 95.095102][ T1015] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 95.095104][ T1015] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 95.095108][ T1015] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 95.095109][ T1015] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.095111][ T1015] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.095113][ T1015] console_emit_next_record (kernel/printk/printk.c:3183) [ 95.095115][ T1015] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 95.095117][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.095118][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.095119][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.095120][ T1015] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.095122][ T1015] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 95.095123][ T1015] console_flush_one_record (kernel/printk/printk.c:3268) [ 95.095125][ T1015] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 95.095127][ T1015] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 95.095128][ T1015] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.095130][ T1015] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 95.095131][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.095132][ T1015] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 95.095133][ T1015] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 95.095135][ T1015] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 95.095137][ T1015] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 95.095139][ T1015] ? vprintk_emit (kernel/printk/printk.c:2478) [ 95.095141][ T1015] vprintk_emit (kernel/printk/printk.c:2479) [ 95.095142][ T1015] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 95.095144][ T1015] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 95.095146][ T1015] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 95.095148][ T1015] _printk (kernel/printk/printk.c:2504) [ 95.095151][ T1015] ? snapshot_read.cold (user.c:?) [ 95.095152][ T1015] ? 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) [ 95.095154][ T1015] ? 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) [ 95.095156][ T1015] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.095158][ T1015] ? 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) [ 95.095160][ T1015] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 95.095162][ T1015] ? exit_notify (kernel/exit.c:780) [ 95.095164][ T1015] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 95.095166][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.095168][ T1015] do_group_exit (kernel/exit.c:1151) [ 95.095170][ T1015] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 95.095172][ T1015] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 95.095174][ T1015] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 95.095177][ T1015] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 95.095180][ T1015] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 95.095182][ T1015] RIP: 0033:0x7f259ff311b8 [ 95.095184][ T1015] Code: Unable to access opcode bytes at 0x7f259ff3118e. Code starting with the faulting instruction =========================================== [ 95.095185][ T1015] RSP: 002b:00007ffcb91a0bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 95.095188][ T1015] RAX: ffffffffffffffda RBX: 00007f25a0061f88 RCX: 00007f259ff311b8 [ 95.095189][ T1015] RDX: 00007f259fe6ea48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 95.095190][ T1015] RBP: 00007ffcb91a0c30 R08: 0000000000000000 R09: 0000000000000000 [ 95.095191][ T1015] R10: 00007ffcb91a0a70 R11: 0000000000000246 R12: 0000000000000001 [ 95.095192][ T1015] R13: 0000000000000000 R14: 00007f25a0060680 R15: 00007f25a0061fa0 | [ 100.938568][ T71] softirqs last disabled at (15876): instance_destroy_work (./include/linux/spinlock.h:353 net/netfilter/nfnetlink_queue.c:540 net/netfilter/nfnetlink_queue.c:198) nfnetlink_queue | [ 100.938570][ T71] Preemption disabled at: | [ 100.938571][ T71] 0x0 | [ 100.938580][ T71] Tainted: [W]=WARN [ 100.938581][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 100.938583][ T71] Workqueue: netns cleanup_net [ 100.938590][ T71] Call Trace: [ 100.938591][ T71] [ 100.938593][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 100.938598][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 100.938601][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 100.938604][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.938608][ T71] __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)) [ 100.938611][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 100.938614][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 100.938619][ T71] ? 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) [ 100.938621][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 100.938623][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 100.938625][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 100.938626][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 100.938629][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 100.938631][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 100.938635][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 100.938636][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 100.938638][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.938640][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 100.938642][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 100.938644][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.938645][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.938646][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.938647][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.938649][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 100.938650][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 100.938652][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 100.938654][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 100.938655][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.938657][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 100.938658][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.938659][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 100.938660][ T71] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 100.938662][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 100.938664][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 100.938666][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 100.938668][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 100.938671][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 100.938672][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.938674][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 100.938677][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 100.938678][ T71] _printk (kernel/printk/printk.c:2504) [ 100.938681][ T71] ? snapshot_read.cold (user.c:?) [ 100.938683][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 100.938688][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 100.938701][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 100.938713][ T71] br_device_event (net/bridge/br.c:111) bridge [ 100.938723][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 100.938725][ T71] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 100.938727][ T71] ? nfqnl_dev_drop (./include/linux/rcupdate.h:850 net/netfilter/nfnetlink_queue.c:1533) nfnetlink_queue [ 100.938729][ T71] ? nfqnl_dev_drop (net/netfilter/nfnetlink_queue.c:541 net/netfilter/nfnetlink_queue.c:1540) nfnetlink_queue [ 100.938731][ T71] notifier_call_chain (kernel/notifier.c:85) [ 100.938735][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 100.938738][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 100.938740][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.938742][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 100.938743][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 100.938745][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 100.938748][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 100.938750][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 100.938752][ T71] ? kthread (kernel/kthread.c:436) [ 100.938754][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 100.938757][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 100.938760][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 100.938762][ T71] ? get_rps_cpu (net/core/dev.c:5240) [ 100.938764][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 100.938766][ T71] ? generic_xdp_install (./include/linux/netdevice.h:5716 (discriminator 3)) [ 100.938769][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 100.938771][ T71] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 100.938773][ T71] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1)) [ 100.938775][ T71] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 100.938777][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 100.938779][ T71] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 100.938781][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 100.938784][ T71] cleanup_net (net/core/net_namespace.c:706) [ 100.938786][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 100.938788][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.938789][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.938791][ T71] process_one_work (kernel/workqueue.c:3387) [ 100.938793][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 100.938794][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 100.938797][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 100.938799][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 100.938801][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 100.938802][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 100.938804][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 100.938805][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 100.938806][ T71] kthread (kernel/kthread.c:436) [ 100.938807][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 100.938809][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 100.938811][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 100.938812][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 100.938814][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 100.938817][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record instance_destroy_work:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable