====================================== | [ 12.411982][ T274] softirqs last disabled at (24987): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.411984][ T274] Preemption disabled at: | [ 12.411985][ T274] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.411994][ T274] Tainted: [W]=WARN [ 12.411995][ T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.411997][ T274] Call Trace: [ 12.411998][ T274] [ 12.412000][ T274] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.412005][ T274] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.412007][ T274] __might_resched.cold (kernel/sched/core.c:9234) [ 12.412012][ T274] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.412016][ T274] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.412021][ T274] __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)) [ 12.412023][ T274] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.412029][ T274] ? 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) [ 12.412032][ T274] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.412035][ T274] put_chars (drivers/char/virtio_console.c:1176) [ 12.412038][ T274] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.412039][ T274] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.412044][ T274] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.412046][ T274] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.412051][ T274] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.412054][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.412058][ T274] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.412061][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.412066][ T274] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.412069][ T274] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.412071][ T274] ? 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)) [ 12.412074][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.412076][ T274] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.412080][ T274] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.412084][ T274] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.412086][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.412091][ T274] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.412094][ T274] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.412095][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.412098][ T274] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.412101][ T274] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.412103][ T274] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.412106][ T274] vprintk_emit (kernel/printk/printk.c:2479) [ 12.412110][ T274] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.412115][ T274] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 12.412119][ T274] _printk (kernel/printk/printk.c:2504) [ 12.412123][ T274] ? snapshot_read.cold (user.c:?) [ 12.412129][ T274] ? 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) [ 12.412132][ T274] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 12.412135][ T274] do_one_initcall (init/main.c:1357) [ 12.412138][ T274] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.412142][ T274] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.412145][ T274] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.412150][ T274] do_init_module (kernel/module/main.c:3117) [ 12.412153][ T274] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.412157][ T274] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.412160][ T274] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.412164][ T274] load_module (kernel/module/main.c:3593) [ 12.412171][ T274] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.412175][ T274] ? __ia32_sys_fsconfig (??:?) [ 12.412178][ T274] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.412182][ T274] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.412184][ T274] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.412188][ T274] init_module_from_file (kernel/module/main.c:3790) [ 12.412191][ T274] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.412199][ T274] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.412202][ T274] ? 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) [ 12.412205][ T274] idempotent_init_module (kernel/module/main.c:3802) [ 12.412209][ T274] ? init_module_from_file (kernel/module/main.c:3791) [ 12.412215][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.412217][ T274] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.412223][ T274] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.412225][ T274] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.412229][ T274] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.412230][ T274] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.412233][ T274] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.412235][ T274] RIP: 0033:0x7f8018cde37d [ 12.412239][ T274] 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 [ 12.412240][ T274] RSP: 002b:00007ffc0e6acd08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.412243][ T274] RAX: ffffffffffffffda RBX: 000056105c95c810 RCX: 00007f8018cde37d [ 12.412244][ T274] RDX: 0000000000000000 RSI: 0000561059c82ffd RDI: 0000000000000000 [ 12.412245][ T274] RBP: 00007ffc0e6acda0 R08: 0000000000000000 R09: 0000000000000000 [ 12.412246][ T274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561059c82ffd [ 12.412247][ T274] R13: 000056105c95c960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.395598][ T364] softirqs last disabled at (16471): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.395600][ T364] Preemption disabled at: | [ 19.395601][ T364] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.395611][ T364] Tainted: [W]=WARN [ 19.395612][ T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.395613][ T364] Call Trace: [ 19.395615][ T364] [ 19.395616][ T364] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.395622][ T364] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.395625][ T364] __might_resched.cold (kernel/sched/core.c:9234) [ 19.395629][ T364] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.395634][ T364] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.395639][ T364] __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)) [ 19.395641][ T364] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.395647][ T364] ? 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) [ 19.395650][ T364] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.395653][ T364] put_chars (drivers/char/virtio_console.c:1176) [ 19.395655][ T364] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 19.395657][ T364] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.395660][ T364] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.395664][ T364] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.395668][ T364] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.395671][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.395673][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.395677][ T364] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.395678][ T364] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.395682][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.395685][ T364] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.395689][ T364] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.395693][ T364] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.395694][ T364] ? 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)) [ 19.395698][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.395700][ T364] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.395704][ T364] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.395708][ T364] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.395710][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.395715][ T364] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.395718][ T364] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.395720][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.395722][ T364] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.395726][ T364] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.395727][ T364] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.395731][ T364] vprintk_emit (kernel/printk/printk.c:2479) [ 19.395735][ T364] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.395741][ T364] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 19.395743][ T364] _printk (kernel/printk/printk.c:2504) [ 19.395747][ T364] ? snapshot_read.cold (user.c:?) [ 19.395754][ T364] ? 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) [ 19.395757][ T364] gact_init_module (net/sched/act_gact.c:180) act_gact [ 19.395759][ T364] do_one_initcall (init/main.c:1357) [ 19.395762][ T364] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 19.395766][ T364] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 19.395770][ T364] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 19.395774][ T364] do_init_module (kernel/module/main.c:3117) [ 19.395778][ T364] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.395783][ T364] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 19.395786][ T364] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 19.395790][ T364] load_module (kernel/module/main.c:3593) [ 19.395797][ T364] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 19.395801][ T364] ? __ia32_sys_fsconfig (??:?) [ 19.395804][ T364] ? ovl_real_file (fs/overlayfs/file.c:195) [ 19.395808][ T364] ? backing_file_read_iter (fs/backing-file.c:211) [ 19.395812][ T364] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.395816][ T364] init_module_from_file (kernel/module/main.c:3790) [ 19.395819][ T364] ? __do_sys_init_module (kernel/module/main.c:3664) [ 19.395827][ T364] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.395831][ T364] ? 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) [ 19.395834][ T364] idempotent_init_module (kernel/module/main.c:3802) [ 19.395837][ T364] ? init_module_from_file (kernel/module/main.c:3791) [ 19.395843][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.395846][ T364] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 19.395852][ T364] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 19.395854][ T364] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.395858][ T364] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.395860][ T364] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.395862][ T364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.395865][ T364] RIP: 0033:0x7ff6f6bc637d [ 19.395868][ T364] 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 [ 19.395870][ T364] RSP: 002b:00007ffd220adc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 19.395873][ T364] RAX: ffffffffffffffda RBX: 000056452c911810 RCX: 00007ff6f6bc637d [ 19.395874][ T364] RDX: 0000000000000000 RSI: 0000564513da2ffd RDI: 0000000000000000 [ 19.395875][ T364] RBP: 00007ffd220adcb0 R08: 0000000000000000 R09: 0000000000000000 [ 19.395876][ T364] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564513da2ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars