====================================== | [ 11.933095][ T273] softirqs last disabled at (23455): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.933098][ T273] Preemption disabled at: | [ 11.933098][ T273] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.933108][ T273] Tainted: [W]=WARN [ 11.933108][ T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.933110][ T273] Call Trace: [ 11.933112][ T273] [ 11.933113][ T273] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.933119][ T273] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.933121][ T273] __might_resched.cold (kernel/sched/core.c:9234) [ 11.933126][ T273] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.933129][ T273] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.933134][ T273] __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)) [ 11.933137][ T273] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.933142][ T273] ? 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) [ 11.933145][ T273] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.933148][ T273] put_chars (drivers/char/virtio_console.c:1176) [ 11.933151][ T273] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.933152][ T273] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.933157][ T273] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.933159][ T273] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.933163][ T273] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.933166][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.933170][ T273] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.933173][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933178][ T273] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.933181][ T273] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.933183][ T273] ? 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)) [ 11.933186][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933188][ T273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.933192][ T273] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.933196][ T273] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.933198][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.933202][ T273] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.933205][ T273] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.933207][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933209][ T273] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.933213][ T273] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.933214][ T273] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.933217][ T273] vprintk_emit (kernel/printk/printk.c:2479) [ 11.933221][ T273] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.933232][ T273] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 11.933236][ T273] _printk (kernel/printk/printk.c:2504) [ 11.933240][ T273] ? snapshot_read.cold (user.c:?) [ 11.933246][ T273] ? 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) [ 11.933249][ T273] 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 [ 11.933252][ T273] do_one_initcall (init/main.c:1357) [ 11.933254][ T273] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.933259][ T273] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.933262][ T273] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.933267][ T273] do_init_module (kernel/module/main.c:3117) [ 11.933270][ T273] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.933274][ T273] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.933278][ T273] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.933281][ T273] load_module (kernel/module/main.c:3593) [ 11.933288][ T273] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.933292][ T273] ? __ia32_sys_fsconfig (??:?) [ 11.933295][ T273] ? ovl_real_file (fs/overlayfs/file.c:195) [ 11.933299][ T273] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.933302][ T273] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.933306][ T273] init_module_from_file (kernel/module/main.c:3790) [ 11.933309][ T273] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.933316][ T273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.933320][ T273] ? 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) [ 11.933323][ T273] idempotent_init_module (kernel/module/main.c:3802) [ 11.933326][ T273] ? init_module_from_file (kernel/module/main.c:3791) [ 11.933332][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933334][ T273] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.933340][ T273] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.933342][ T273] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.933345][ T273] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.933347][ T273] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.933350][ T273] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.933352][ T273] RIP: 0033:0x7f4f68aef37d [ 11.933355][ T273] 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 [ 11.933357][ T273] RSP: 002b:00007ffde56982b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.933360][ T273] RAX: ffffffffffffffda RBX: 0000558ee10d4810 RCX: 00007f4f68aef37d [ 11.933361][ T273] RDX: 0000000000000000 RSI: 0000558edffacffd RDI: 0000000000000000 [ 11.933362][ T273] RBP: 00007ffde5698350 R08: 0000000000000000 R09: 0000000000000000 [ 11.933363][ T273] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558edffacffd [ 11.933363][ T273] R13: 0000558ee10d4960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.070949][ T365] softirqs last disabled at (17847): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.070952][ T365] Preemption disabled at: | [ 19.070953][ T365] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.070965][ T365] Tainted: [W]=WARN [ 19.070967][ T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.070969][ T365] Call Trace: [ 19.070971][ T365] [ 19.070973][ T365] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.070980][ T365] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.070983][ T365] __might_resched.cold (kernel/sched/core.c:9234) [ 19.070989][ T365] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.070995][ T365] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.071002][ T365] __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)) [ 19.071005][ T365] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.071014][ T365] ? 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) [ 19.071017][ T365] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.071022][ T365] put_chars (drivers/char/virtio_console.c:1176) [ 19.071025][ T365] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 19.071028][ T365] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.071033][ T365] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.071038][ T365] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.071045][ T365] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.071048][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.071050][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.071058][ T365] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.071060][ T365] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.071065][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.071069][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.071075][ T365] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.071081][ T365] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.071083][ T365] ? 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)) [ 19.071088][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.071092][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.071098][ T365] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.071105][ T365] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.071107][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.071116][ T365] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.071120][ T365] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.071122][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.071126][ T365] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.071132][ T365] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.071134][ T365] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.071140][ T365] vprintk_emit (kernel/printk/printk.c:2479) [ 19.071146][ T365] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.071155][ T365] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 19.071159][ T365] _printk (kernel/printk/printk.c:2504) [ 19.071164][ T365] ? snapshot_read.cold (user.c:?) [ 19.071174][ T365] ? 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) [ 19.071179][ T365] gact_init_module (net/sched/act_gact.c:180) act_gact [ 19.071183][ T365] do_one_initcall (init/main.c:1357) [ 19.071187][ T365] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 19.071195][ T365] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 19.071199][ T365] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 19.071206][ T365] do_init_module (kernel/module/main.c:3117) [ 19.071212][ T365] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.071217][ T365] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 19.071222][ T365] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 19.071229][ T365] load_module (kernel/module/main.c:3593) [ 19.071241][ T365] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 19.071247][ T365] ? __ia32_sys_fsconfig (??:?) [ 19.071250][ T365] ? ovl_real_file (fs/overlayfs/file.c:195) [ 19.071261][ T365] ? backing_file_read_iter (fs/backing-file.c:211) [ 19.071266][ T365] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.071272][ T365] init_module_from_file (kernel/module/main.c:3790) [ 19.071277][ T365] ? __do_sys_init_module (kernel/module/main.c:3664) [ 19.071291][ T365] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.071296][ T365] ? 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) [ 19.071301][ T365] idempotent_init_module (kernel/module/main.c:3802) [ 19.071306][ T365] ? init_module_from_file (kernel/module/main.c:3791) [ 19.071317][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.071320][ T365] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 19.071329][ T365] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 19.071332][ T365] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.071338][ T365] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.071340][ T365] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.071345][ T365] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.071347][ T365] RIP: 0033:0x7f1a724f037d [ 19.071352][ T365] 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 [ 19.071354][ T365] RSP: 002b:00007ffe04a9ae68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 19.071358][ T365] RAX: ffffffffffffffda RBX: 000055dd57021810 RCX: 00007f1a724f037d [ 19.071360][ T365] RDX: 0000000000000000 RSI: 000055dd1db74ffd RDI: 0000000000000000 [ 19.071361][ T365] RBP: 00007ffe04a9af00 R08: 0000000000000000 R09: 0000000000000000 [ 19.071362][ T365] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dd1db74ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars