====================================== | [ 10.654992][ T204] softirqs last disabled at (21733): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.655000][ T204] Preemption disabled at: | [ 10.655001][ T204] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.655010][ T204] Tainted: [W]=WARN [ 10.655010][ T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.655012][ T204] Call Trace: [ 10.655014][ T204] [ 10.655015][ T204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.655021][ T204] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.655023][ T204] __might_resched.cold (kernel/sched/core.c:9234) [ 10.655027][ T204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.655031][ T204] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.655036][ T204] __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)) [ 10.655038][ T204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.655044][ T204] ? 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) [ 10.655047][ T204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.655051][ T204] put_chars (drivers/char/virtio_console.c:1176) [ 10.655053][ T204] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 10.655055][ T204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.655058][ T204] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.655061][ T204] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.655066][ T204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.655070][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.655071][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.655076][ T204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.655078][ T204] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.655081][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.655083][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.655087][ T204] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.655091][ T204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.655093][ T204] ? 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)) [ 10.655096][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.655097][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.655101][ T204] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.655105][ T204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.655107][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.655112][ T204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.655115][ T204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.655117][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.655119][ T204] ? 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) [ 10.655122][ T204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.655124][ T204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.655127][ T204] vprintk_emit (kernel/printk/printk.c:2479) [ 10.655130][ T204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.655135][ T204] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 10.655138][ T204] _printk (kernel/printk/printk.c:2504) [ 10.655142][ T204] ? snapshot_read.cold (user.c:?) [ 10.655148][ T204] ? 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) [ 10.655151][ T204] gre_init (gre.mod.c:?) gre [ 10.655153][ T204] do_one_initcall (init/main.c:1357) [ 10.655156][ T204] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.655161][ T204] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.655163][ T204] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.655169][ T204] do_init_module (kernel/module/main.c:3117) [ 10.655172][ T204] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.655176][ T204] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.655179][ T204] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.655182][ T204] load_module (kernel/module/main.c:3593) [ 10.655187][ T204] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 10.655192][ T204] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.655199][ T204] init_module_from_file (kernel/module/main.c:3790) [ 10.655202][ T204] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.655209][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.655213][ T204] ? 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) [ 10.655216][ T204] idempotent_init_module (kernel/module/main.c:3802) [ 10.655219][ T204] ? init_module_from_file (kernel/module/main.c:3791) [ 10.655224][ T204] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.655226][ T204] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 10.655231][ T204] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.655233][ T204] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.655237][ T204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.655240][ T204] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.655242][ T204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.655245][ T204] RIP: 0033:0x7f36e24d737d [ 10.655248][ T204] 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 [ 10.655250][ T204] RSP: 002b:00007fff086b9238 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.655252][ T204] RAX: ffffffffffffffda RBX: 0000563cbb34da20 RCX: 00007f36e24d737d [ 10.655254][ T204] RDX: 0000000000000000 RSI: 0000563cb4b7affd RDI: 0000000000000000 [ 10.655254][ T204] RBP: 00007fff086b92d0 R08: 0000000000000000 R09: 0000000000000000 [ 10.655255][ T204] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563cb4b7affd [ 10.655256][ T204] R13: 0000563cbb34d9e0 R14: 0000000000040000 R15: 0000000000000000 | [ 22.390079][ T698] softirqs last disabled at (35001): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 22.390081][ T698] Preemption disabled at: | [ 22.390082][ T698] vprintk_emit (kernel/printk/printk.c:2471) | [ 22.390091][ T698] Tainted: [W]=WARN [ 22.390091][ T698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.390093][ T698] Call Trace: [ 22.390095][ T698] [ 22.390096][ T698] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.390102][ T698] ? vprintk_emit (kernel/printk/printk.c:2471) [ 22.390104][ T698] __might_resched.cold (kernel/sched/core.c:9234) [ 22.390108][ T698] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.390112][ T698] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.390117][ T698] __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)) [ 22.390119][ T698] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.390126][ T698] ? 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) [ 22.390128][ T698] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.390132][ T698] put_chars (drivers/char/virtio_console.c:1176) [ 22.390135][ T698] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.390136][ T698] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.390139][ T698] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.390142][ T698] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.390147][ T698] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.390151][ T698] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.390156][ T698] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.390159][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.390163][ T698] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.390167][ T698] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.390169][ T698] ? 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)) [ 22.390173][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.390174][ T698] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.390178][ T698] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.390183][ T698] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.390184][ T698] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.390190][ T698] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.390193][ T698] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.390195][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.390196][ T698] ? 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) [ 22.390200][ T698] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.390202][ T698] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.390204][ T698] vprintk_emit (kernel/printk/printk.c:2479) [ 22.390208][ T698] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.390213][ T698] ? ip6gre_fini (net/ipv6/ip6_gre.c:1120) ip6_gre [ 22.390216][ T698] _printk (kernel/printk/printk.c:2504) [ 22.390220][ T698] ? snapshot_read.cold (user.c:?) [ 22.390226][ T698] ? 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) [ 22.390230][ T698] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre [ 22.390233][ T698] do_one_initcall (init/main.c:1357) [ 22.390236][ T698] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 22.390241][ T698] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 22.390243][ T698] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 22.390249][ T698] do_init_module (kernel/module/main.c:3117) [ 22.390252][ T698] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 22.390256][ T698] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 22.390259][ T698] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 22.390262][ T698] load_module (kernel/module/main.c:3593) [ 22.390268][ T698] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 22.390273][ T698] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 22.390276][ T698] ? __ia32_sys_fsconfig (??:?) [ 22.390280][ T698] ? backing_file_read_iter (fs/backing-file.c:211) [ 22.390284][ T698] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.390287][ T698] init_module_from_file (kernel/module/main.c:3790) [ 22.390289][ T698] ? __do_sys_init_module (kernel/module/main.c:3664) [ 22.390297][ T698] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.390301][ T698] ? 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) [ 22.390304][ T698] idempotent_init_module (kernel/module/main.c:3802) [ 22.390307][ T698] ? init_module_from_file (kernel/module/main.c:3791) [ 22.390312][ T698] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 22.390315][ T698] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 22.390320][ T698] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 22.390322][ T698] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.390326][ T698] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.390328][ T698] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.390331][ T698] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.390333][ T698] RIP: 0033:0x7f1c3197d37d [ 22.390336][ T698] 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 [ 22.390338][ T698] RSP: 002b:00007ffea9549fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 22.390341][ T698] RAX: ffffffffffffffda RBX: 000055867316b810 RCX: 00007f1c3197d37d [ 22.390342][ T698] RDX: 0000000000000000 RSI: 000055863e1edffd RDI: 0000000000000000 [ 22.390343][ T698] RBP: 00007ffea954a060 R08: 0000000000000000 R09: 0000000000000000 [ 22.390344][ T698] R10: 0000000000000000 R11: 0000000000000246 R12: 000055863e1edffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars