====================================== | [ 10.232199][ T187] softirqs last disabled at (35278): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.232201][ T187] Preemption disabled at: | [ 10.232202][ T187] 0x0 | [ 10.232212][ T187] Tainted: [W]=WARN [ 10.232213][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.232215][ T187] Call Trace: [ 10.232216][ T187] [ 10.232218][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.232224][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.232229][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.232233][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.232238][ T187] __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)) [ 10.232240][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.232246][ T187] ? 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) [ 10.232248][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.232251][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.232254][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.232256][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.232260][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.232266][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.232272][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.232274][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.232277][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.232281][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.232284][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.232286][ T187] ? 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)) [ 10.232290][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.232292][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.232296][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.232300][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.232302][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.232307][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.232310][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.232312][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.232314][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.232318][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.232319][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.232323][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.232327][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.232330][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.232334][ T187] _printk (kernel/printk/printk.c:2504) [ 10.232338][ T187] ? snapshot_read.cold (user.c:?) [ 10.232340][ T187] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.232343][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.232347][ T187] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.232349][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.232353][ T187] ? exit_notify (kernel/exit.c:780) [ 10.232355][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.232358][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.232362][ T187] do_group_exit (kernel/exit.c:1151) [ 10.232365][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.232366][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.232368][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.232372][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.232375][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.232377][ T187] RIP: 0033:0x7fcb7d32d1b8 [ 10.232379][ T187] Code: Unable to access opcode bytes at 0x7fcb7d32d18e. Code starting with the faulting instruction =========================================== [ 10.232380][ T187] RSP: 002b:00007ffe2630f108 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.232383][ T187] RAX: ffffffffffffffda RBX: 00007fcb7d45df88 RCX: 00007fcb7d32d1b8 [ 10.232384][ T187] RDX: 00007fcb7d077fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.232385][ T187] RBP: 00007ffe2630f160 R08: 0000000000000000 R09: 0000000000008010 [ 10.232386][ T187] R10: 00007ffe2630ef20 R11: 0000000000000246 R12: 0000000000000001 [ 10.232387][ T187] R13: 0000000000000000 R14: 00007fcb7d45c680 R15: 00007fcb7d45dfa0 | [ 17.909302][ T313] softirqs last disabled at (24013): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.909304][ T313] Preemption disabled at: | [ 17.909305][ T313] vprintk_emit (kernel/printk/printk.c:2471) | [ 17.909314][ T313] Tainted: [W]=WARN [ 17.909315][ T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.909317][ T313] Call Trace: [ 17.909318][ T313] [ 17.909320][ T313] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.909325][ T313] ? vprintk_emit (kernel/printk/printk.c:2471) [ 17.909328][ T313] __might_resched.cold (kernel/sched/core.c:9234) [ 17.909332][ T313] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.909336][ T313] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.909341][ T313] __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)) [ 17.909343][ T313] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.909349][ T313] ? 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) [ 17.909351][ T313] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.909355][ T313] put_chars (drivers/char/virtio_console.c:1176) [ 17.909356][ T313] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 17.909359][ T313] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.909361][ T313] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.909365][ T313] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.909369][ T313] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.909372][ T313] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.909373][ T313] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.909378][ T313] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.909379][ T313] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.909382][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.909385][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.909389][ T313] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.909393][ T313] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.909394][ T313] ? 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)) [ 17.909398][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.909400][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.909404][ T313] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.909408][ T313] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.909410][ T313] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.909415][ T313] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.909417][ T313] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.909419][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.909421][ T313] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.909425][ T313] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.909427][ T313] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.909430][ T313] vprintk_emit (kernel/printk/printk.c:2479) [ 17.909434][ T313] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.909440][ T313] ? udp_tunnel_nic_cleanup_module (net/ipv4/udp_tunnel_core.c:237) udp_tunnel [ 17.909443][ T313] _printk (kernel/printk/printk.c:2504) [ 17.909447][ T313] ? snapshot_read.cold (user.c:?) [ 17.909453][ T313] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 17.909456][ T313] gact_init_module (net/sched/act_gact.c:180) act_gact [ 17.909459][ T313] do_one_initcall (init/main.c:1357) [ 17.909462][ T313] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 17.909466][ T313] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 17.909469][ T313] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 17.909474][ T313] do_init_module (kernel/module/main.c:3117) [ 17.909478][ T313] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 17.909484][ T313] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 17.909487][ T313] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 17.909491][ T313] load_module (kernel/module/main.c:3593) [ 17.909498][ T313] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 17.909502][ T313] ? __ia32_sys_fsconfig (??:?) [ 17.909504][ T313] ? ovl_real_file (fs/overlayfs/file.c:195) [ 17.909508][ T313] ? backing_file_read_iter (fs/backing-file.c:211) [ 17.909511][ T313] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.909515][ T313] init_module_from_file (kernel/module/main.c:3790) [ 17.909518][ T313] ? __do_sys_init_module (kernel/module/main.c:3664) [ 17.909526][ T313] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.909529][ T313] ? 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) [ 17.909532][ T313] idempotent_init_module (kernel/module/main.c:3802) [ 17.909536][ T313] ? init_module_from_file (kernel/module/main.c:3791) [ 17.909542][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.909544][ T313] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 17.909550][ T313] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 17.909552][ T313] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.909555][ T313] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.909557][ T313] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.909560][ T313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.909562][ T313] RIP: 0033:0x7f27044b037d [ 17.909566][ T313] 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 [ 17.909568][ T313] RSP: 002b:00007ffd54b33b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 17.909570][ T313] RAX: ffffffffffffffda RBX: 000055e10be14810 RCX: 00007f27044b037d [ 17.909572][ T313] RDX: 0000000000000000 RSI: 000055e0ddc71ffd RDI: 0000000000000000 [ 17.909572][ T313] RBP: 00007ffd54b33ba0 R08: 0000000000000000 R09: 0000000000000000 [ 17.909573][ T313] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0ddc71ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print