====================================== | [ 11.082534][ T209] softirqs last disabled at (56484): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.082537][ T209] Preemption disabled at: | [ 11.082537][ T209] 0x0 | [ 11.082548][ T209] Tainted: [W]=WARN [ 11.082549][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.082550][ T209] Call Trace: [ 11.082552][ T209] [ 11.082554][ T209] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.082560][ T209] __might_resched.cold (kernel/sched/core.c:9234) [ 11.082564][ T209] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.082569][ T209] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.082573][ T209] __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)) [ 11.082575][ T209] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.082582][ T209] ? 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) [ 11.082584][ T209] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.082588][ T209] put_chars (drivers/char/virtio_console.c:1176) [ 11.082591][ T209] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.082592][ T209] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.082595][ T209] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.082601][ T209] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.082609][ T209] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.082611][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.082613][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.082617][ T209] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.082621][ T209] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.082623][ T209] ? 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)) [ 11.082626][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.082628][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.082632][ T209] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.082636][ T209] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.082638][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.082643][ T209] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.082646][ T209] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.082648][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.082650][ T209] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.082653][ T209] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.082655][ T209] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.082658][ T209] vprintk_emit (kernel/printk/printk.c:2479) [ 11.082661][ T209] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.082664][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.082668][ T209] _printk (kernel/printk/printk.c:2504) [ 11.082671][ T209] ? snapshot_read.cold (user.c:?) [ 11.082674][ T209] ? 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) [ 11.082676][ T209] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.082680][ T209] ? 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) [ 11.082683][ T209] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.082687][ T209] ? exit_notify (kernel/exit.c:780) [ 11.082688][ T209] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.082691][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.082695][ T209] do_group_exit (kernel/exit.c:1151) [ 11.082697][ T209] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.082699][ T209] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.082702][ T209] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.082706][ T209] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.082709][ T209] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.082711][ T209] RIP: 0033:0x7f769d5111b8 [ 11.082713][ T209] Code: Unable to access opcode bytes at 0x7f769d51118e. Code starting with the faulting instruction =========================================== [ 11.082714][ T209] RSP: 002b:00007fff80210448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.082716][ T209] RAX: ffffffffffffffda RBX: 00007f769d641f88 RCX: 00007f769d5111b8 [ 11.082718][ T209] RDX: 00007f769d25bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.082719][ T209] RBP: 00007fff802104a0 R08: 0000000000000000 R09: 0000000000008010 [ 11.082719][ T209] R10: 00007fff80210260 R11: 0000000000000246 R12: 0000000000000001 [ 11.082720][ T209] R13: 0000000000000000 R14: 00007f769d640680 R15: 00007f769d641fa0 | [ 16.742509][ T383] softirqs last disabled at (17395): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 16.742512][ T383] Preemption disabled at: | [ 16.742512][ T383] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.742521][ T383] Tainted: [W]=WARN [ 16.742522][ T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.742523][ T383] Call Trace: [ 16.742525][ T383] [ 16.742526][ T383] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.742532][ T383] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.742534][ T383] __might_resched.cold (kernel/sched/core.c:9234) [ 16.742538][ T383] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.742542][ T383] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.742546][ T383] __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)) [ 16.742548][ T383] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.742555][ T383] ? 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) [ 16.742558][ T383] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.742561][ T383] put_chars (drivers/char/virtio_console.c:1176) [ 16.742563][ T383] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 16.742565][ T383] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.742568][ T383] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.742571][ T383] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.742576][ T383] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.742580][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.742581][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.742586][ T383] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.742588][ T383] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.742591][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.742593][ T383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.742597][ T383] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.742601][ T383] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.742603][ T383] ? 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)) [ 16.742606][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.742608][ T383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.742612][ T383] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.742616][ T383] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.742618][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.742623][ T383] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.742626][ T383] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.742628][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.742629][ T383] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 16.742633][ T383] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.742635][ T383] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.742637][ T383] vprintk_emit (kernel/printk/printk.c:2479) [ 16.742641][ T383] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.742645][ T383] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 16.742648][ T383] _printk (kernel/printk/printk.c:2504) [ 16.742652][ T383] ? snapshot_read.cold (user.c:?) [ 16.742658][ T383] ? 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) [ 16.742661][ T383] gact_init_module (net/sched/act_gact.c:180) act_gact [ 16.742663][ T383] do_one_initcall (init/main.c:1357) [ 16.742666][ T383] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 16.742671][ T383] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 16.742673][ T383] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 16.742679][ T383] do_init_module (kernel/module/main.c:3117) [ 16.742682][ T383] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.742686][ T383] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 16.742689][ T383] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 16.742692][ T383] load_module (kernel/module/main.c:3593) [ 16.742697][ T383] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 16.742702][ T383] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 16.742705][ T383] ? __ia32_sys_fsconfig (??:?) [ 16.742709][ T383] ? backing_file_read_iter (fs/backing-file.c:211) [ 16.742713][ T383] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.742717][ T383] init_module_from_file (kernel/module/main.c:3790) [ 16.742719][ T383] ? __do_sys_init_module (kernel/module/main.c:3664) [ 16.742726][ T383] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.742730][ T383] ? 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) [ 16.742733][ T383] idempotent_init_module (kernel/module/main.c:3802) [ 16.742736][ T383] ? init_module_from_file (kernel/module/main.c:3791) [ 16.742741][ T383] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 16.742744][ T383] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 16.742749][ T383] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 16.742750][ T383] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.742754][ T383] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.742757][ T383] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.742760][ T383] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.742762][ T383] RIP: 0033:0x7ff52862d37d [ 16.742765][ T383] 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 [ 16.742767][ T383] RSP: 002b:00007ffec749b1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 16.742770][ T383] RAX: ffffffffffffffda RBX: 00005555af3d0810 RCX: 00007ff52862d37d [ 16.742771][ T383] RDX: 0000000000000000 RSI: 000055559f834ffd RDI: 0000000000000000 [ 16.742772][ T383] RBP: 00007ffec749b290 R08: 0000000000000000 R09: 0000000000000000 [ 16.742773][ T383] R10: 0000000000000000 R11: 0000000000000246 R12: 000055559f834ffd Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars