====================================== | [ 13.296215][ T293] softirqs last disabled at (26247): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.296217][ T293] Preemption disabled at: | [ 13.296218][ T293] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.296227][ T293] Tainted: [W]=WARN [ 13.296228][ T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.296229][ T293] Call Trace: [ 13.296231][ T293] [ 13.296232][ T293] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.296238][ T293] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.296241][ T293] __might_resched.cold (kernel/sched/core.c:9234) [ 13.296245][ T293] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.296249][ T293] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.296254][ T293] __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)) [ 13.296256][ T293] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.296262][ T293] ? 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) [ 13.296265][ T293] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.296268][ T293] put_chars (drivers/char/virtio_console.c:1176) [ 13.296271][ T293] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.296272][ T293] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.296277][ T293] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.296279][ T293] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.296283][ T293] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.296286][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.296291][ T293] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.296293][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.296298][ T293] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.296302][ T293] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.296303][ T293] ? 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)) [ 13.296306][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.296309][ T293] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.296313][ T293] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.296316][ T293] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.296318][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.296323][ T293] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.296326][ T293] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.296328][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.296330][ T293] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.296334][ T293] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.296335][ T293] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.296338][ T293] vprintk_emit (kernel/printk/printk.c:2479) [ 13.296343][ T293] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.296348][ T293] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 13.296352][ T293] _printk (kernel/printk/printk.c:2504) [ 13.296356][ T293] ? snapshot_read.cold (user.c:?) [ 13.296362][ T293] ? 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) [ 13.296364][ T293] 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 [ 13.296368][ T293] do_one_initcall (init/main.c:1357) [ 13.296370][ T293] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.296375][ T293] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.296378][ T293] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.296382][ T293] do_init_module (kernel/module/main.c:3117) [ 13.296386][ T293] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.296390][ T293] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.296393][ T293] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.296397][ T293] load_module (kernel/module/main.c:3593) [ 13.296404][ T293] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.296408][ T293] ? __ia32_sys_fsconfig (??:?) [ 13.296411][ T293] ? ovl_real_file (fs/overlayfs/file.c:195) [ 13.296415][ T293] ? backing_file_read_iter (fs/backing-file.c:211) [ 13.296418][ T293] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.296422][ T293] init_module_from_file (kernel/module/main.c:3790) [ 13.296425][ T293] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.296432][ T293] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.296436][ T293] ? 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) [ 13.296439][ T293] idempotent_init_module (kernel/module/main.c:3802) [ 13.296442][ T293] ? init_module_from_file (kernel/module/main.c:3791) [ 13.296448][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.296451][ T293] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.296456][ T293] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.296458][ T293] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.296462][ T293] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.296464][ T293] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.296467][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.296469][ T293] RIP: 0033:0x7fa35593137d [ 13.296473][ T293] 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 [ 13.296474][ T293] RSP: 002b:00007ffe2da46b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.296477][ T293] RAX: ffffffffffffffda RBX: 000055f966acf810 RCX: 00007fa35593137d [ 13.296478][ T293] RDX: 0000000000000000 RSI: 000055f946624ffd RDI: 0000000000000000 [ 13.296479][ T293] RBP: 00007ffe2da46bf0 R08: 0000000000000000 R09: 0000000000000000 [ 13.296480][ T293] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f946624ffd [ 13.296481][ T293] R13: 000055f966acf960 R14: 0000000000040000 R15: 0000000000000000 | [ 20.673751][ T390] softirqs last disabled at (23141): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.673754][ T390] Preemption disabled at: | [ 20.673754][ T390] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.673764][ T390] Tainted: [W]=WARN [ 20.673765][ T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.673767][ T390] Call Trace: [ 20.673768][ T390] [ 20.673770][ T390] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.673776][ T390] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.673778][ T390] __might_resched.cold (kernel/sched/core.c:9234) [ 20.673782][ T390] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.673787][ T390] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.673792][ T390] __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)) [ 20.673795][ T390] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.673801][ T390] ? 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) [ 20.673803][ T390] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.673807][ T390] put_chars (drivers/char/virtio_console.c:1176) [ 20.673809][ T390] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 20.673811][ T390] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.673814][ T390] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.673817][ T390] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.673822][ T390] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.673824][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.673826][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.673831][ T390] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.673832][ T390] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.673835][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.673838][ T390] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.673842][ T390] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.673846][ T390] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.673848][ T390] ? 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)) [ 20.673851][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.673854][ T390] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.673858][ T390] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.673862][ T390] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.673864][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.673869][ T390] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.673872][ T390] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.673874][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.673876][ T390] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.673880][ T390] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.673882][ T390] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.673885][ T390] vprintk_emit (kernel/printk/printk.c:2479) [ 20.673890][ T390] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.673896][ T390] ? tunnel6_fini (net/ipv6/tunnel6.c:98 (discriminator 10)) tunnel6 [ 20.673899][ T390] _printk (kernel/printk/printk.c:2504) [ 20.673903][ T390] ? snapshot_read.cold (user.c:?) [ 20.673909][ T390] ? 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) [ 20.673912][ T390] gact_init_module (net/sched/act_gact.c:180) act_gact [ 20.673915][ T390] do_one_initcall (init/main.c:1357) [ 20.673918][ T390] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 20.673922][ T390] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 20.673925][ T390] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 20.673930][ T390] do_init_module (kernel/module/main.c:3117) [ 20.673934][ T390] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.673938][ T390] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 20.673941][ T390] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 20.673945][ T390] load_module (kernel/module/main.c:3593) [ 20.673953][ T390] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 20.673957][ T390] ? __ia32_sys_fsconfig (??:?) [ 20.673959][ T390] ? ovl_real_file (fs/overlayfs/file.c:195) [ 20.673964][ T390] ? backing_file_read_iter (fs/backing-file.c:211) [ 20.673967][ T390] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.673971][ T390] init_module_from_file (kernel/module/main.c:3790) [ 20.673974][ T390] ? __do_sys_init_module (kernel/module/main.c:3664) [ 20.673982][ T390] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.673986][ T390] ? 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) [ 20.673989][ T390] idempotent_init_module (kernel/module/main.c:3802) [ 20.673992][ T390] ? init_module_from_file (kernel/module/main.c:3791) [ 20.673999][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.674001][ T390] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 20.674007][ T390] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 20.674009][ T390] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.674013][ T390] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.674015][ T390] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.674018][ T390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.674020][ T390] RIP: 0033:0x7ff70bf3537d [ 20.674023][ T390] 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 [ 20.674025][ T390] RSP: 002b:00007ffd2f5b49b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 20.674028][ T390] RAX: ffffffffffffffda RBX: 00005625ac0c4810 RCX: 00007ff70bf3537d [ 20.674029][ T390] RDX: 0000000000000000 RSI: 000056259c46effd RDI: 0000000000000000 [ 20.674030][ T390] RBP: 00007ffd2f5b4a50 R08: 0000000000000000 R09: 0000000000000000 [ 20.674031][ T390] R10: 0000000000000000 R11: 0000000000000246 R12: 000056259c46effd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars