====================================== | [ 12.531255][ T292] softirqs last disabled at (18781): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.531257][ T292] Preemption disabled at: | [ 12.531258][ T292] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.531267][ T292] Tainted: [W]=WARN [ 12.531268][ T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.531270][ T292] Call Trace: [ 12.531272][ T292] [ 12.531273][ T292] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.531279][ T292] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.531281][ T292] __might_resched.cold (kernel/sched/core.c:9234) [ 12.531286][ T292] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.531290][ T292] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.531295][ T292] __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)) [ 12.531298][ T292] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.531307][ T292] ? 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) [ 12.531310][ T292] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.531314][ T292] put_chars (drivers/char/virtio_console.c:1176) [ 12.531316][ T292] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.531318][ T292] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.531323][ T292] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.531325][ T292] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.531330][ T292] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.531333][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.531338][ T292] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.531341][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.531345][ T292] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.531349][ T292] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.531351][ T292] ? 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)) [ 12.531355][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.531357][ T292] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.531361][ T292] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.531365][ T292] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.531367][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.531372][ T292] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.531375][ T292] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.531376][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.531379][ T292] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.531382][ T292] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.531384][ T292] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.531387][ T292] vprintk_emit (kernel/printk/printk.c:2479) [ 12.531392][ T292] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.531397][ T292] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 12.531401][ T292] _printk (kernel/printk/printk.c:2504) [ 12.531405][ T292] ? snapshot_read.cold (user.c:?) [ 12.531411][ T292] ? 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) [ 12.531414][ T292] 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 [ 12.531417][ T292] do_one_initcall (init/main.c:1357) [ 12.531420][ T292] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.531424][ T292] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.531427][ T292] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.531432][ T292] do_init_module (kernel/module/main.c:3117) [ 12.531436][ T292] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.531440][ T292] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.531443][ T292] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.531447][ T292] load_module (kernel/module/main.c:3593) [ 12.531455][ T292] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.531459][ T292] ? __ia32_sys_fsconfig (??:?) [ 12.531461][ T292] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.531465][ T292] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.531469][ T292] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.531473][ T292] init_module_from_file (kernel/module/main.c:3790) [ 12.531476][ T292] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.531484][ T292] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.531487][ T292] ? 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) [ 12.531490][ T292] idempotent_init_module (kernel/module/main.c:3802) [ 12.531494][ T292] ? init_module_from_file (kernel/module/main.c:3791) [ 12.531500][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.531502][ T292] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.531508][ T292] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.531510][ T292] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.531514][ T292] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.531516][ T292] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.531519][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.531521][ T292] RIP: 0033:0x7ff95fed137d [ 12.531524][ T292] 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 [ 12.531526][ T292] RSP: 002b:00007ffdf639a0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.531529][ T292] RAX: ffffffffffffffda RBX: 000055eb14aa3810 RCX: 00007ff95fed137d [ 12.531530][ T292] RDX: 0000000000000000 RSI: 000055ead97deffd RDI: 0000000000000000 [ 12.531531][ T292] RBP: 00007ffdf639a140 R08: 0000000000000000 R09: 0000000000000000 [ 12.531532][ T292] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ead97deffd [ 12.531533][ T292] R13: 000055eb14aa3960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.584037][ T391] softirqs last disabled at (23105): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.584039][ T391] Preemption disabled at: | [ 19.584040][ T391] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.584049][ T391] Tainted: [W]=WARN [ 19.584050][ T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.584052][ T391] Call Trace: [ 19.584053][ T391] [ 19.584055][ T391] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.584060][ T391] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.584063][ T391] __might_resched.cold (kernel/sched/core.c:9234) [ 19.584067][ T391] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.584071][ T391] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.584077][ T391] __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)) [ 19.584079][ T391] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.584085][ T391] ? 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) [ 19.584088][ T391] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.584091][ T391] put_chars (drivers/char/virtio_console.c:1176) [ 19.584093][ T391] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 19.584095][ T391] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.584098][ T391] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.584101][ T391] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.584106][ T391] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.584108][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.584110][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.584115][ T391] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.584116][ T391] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.584119][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.584122][ T391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.584127][ T391] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.584131][ T391] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.584132][ T391] ? 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)) [ 19.584136][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.584138][ T391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.584142][ T391] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.584146][ T391] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.584148][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.584153][ T391] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.584156][ T391] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.584158][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.584160][ T391] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.584164][ T391] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.584166][ T391] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.584169][ T391] vprintk_emit (kernel/printk/printk.c:2479) [ 19.584173][ T391] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.584179][ T391] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 19.584182][ T391] _printk (kernel/printk/printk.c:2504) [ 19.584185][ T391] ? snapshot_read.cold (user.c:?) [ 19.584192][ T391] ? 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) [ 19.584195][ T391] gact_init_module (net/sched/act_gact.c:180) act_gact [ 19.584197][ T391] do_one_initcall (init/main.c:1357) [ 19.584200][ T391] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 19.584204][ T391] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 19.584208][ T391] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 19.584212][ T391] do_init_module (kernel/module/main.c:3117) [ 19.584216][ T391] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.584220][ T391] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 19.584223][ T391] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 19.584227][ T391] load_module (kernel/module/main.c:3593) [ 19.584234][ T391] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 19.584238][ T391] ? __ia32_sys_fsconfig (??:?) [ 19.584242][ T391] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.584244][ T391] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.584248][ T391] init_module_from_file (kernel/module/main.c:3790) [ 19.584252][ T391] ? __do_sys_init_module (kernel/module/main.c:3664) [ 19.584260][ T391] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.584263][ T391] ? 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) [ 19.584266][ T391] idempotent_init_module (kernel/module/main.c:3802) [ 19.584270][ T391] ? init_module_from_file (kernel/module/main.c:3791) [ 19.584276][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.584278][ T391] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 19.584285][ T391] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 19.584287][ T391] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.584290][ T391] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.584292][ T391] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.584295][ T391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.584297][ T391] RIP: 0033:0x7f98767ea37d [ 19.584300][ T391] 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 [ 19.584302][ T391] RSP: 002b:00007ffe94bd4848 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 19.584304][ T391] RAX: ffffffffffffffda RBX: 00005625e07e8810 RCX: 00007f98767ea37d [ 19.584306][ T391] RDX: 0000000000000000 RSI: 00005625ba092ffd RDI: 0000000000000000 [ 19.584307][ T391] RBP: 00007ffe94bd48e0 R08: 0000000000000000 R09: 0000000000000000 [ 19.584308][ T391] R10: 0000000000000000 R11: 0000000000000246 R12: 00005625ba092ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars