====================================== | [ 10.975466][ T216] softirqs last disabled at (26713): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.975468][ T216] Preemption disabled at: | [ 10.975469][ T216] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.975478][ T216] Tainted: [W]=WARN [ 10.975479][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.975481][ T216] Call Trace: [ 10.975482][ T216] [ 10.975484][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.975490][ T216] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.975492][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 10.975496][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.975500][ T216] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.975505][ T216] __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)) [ 10.975507][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.975514][ T216] ? 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) [ 10.975517][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.975520][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 10.975522][ T216] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 10.975524][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.975527][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.975530][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.975535][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.975539][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.975541][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.975545][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.975547][ T216] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.975550][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.975552][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.975556][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.975560][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.975562][ T216] ? 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)) [ 10.975565][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.975567][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.975571][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.975575][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.975577][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.975582][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.975585][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.975587][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.975588][ T216] ? 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) [ 10.975592][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.975594][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.975596][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 10.975600][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.975604][ T216] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 10.975607][ T216] _printk (kernel/printk/printk.c:2504) [ 10.975611][ T216] ? snapshot_read.cold (user.c:?) [ 10.975617][ T216] ? 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) [ 10.975621][ T216] gre_init (gre.mod.c:?) gre [ 10.975623][ T216] do_one_initcall (init/main.c:1357) [ 10.975626][ T216] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.975631][ T216] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.975633][ T216] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.975639][ T216] do_init_module (kernel/module/main.c:3117) [ 10.975642][ T216] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.975646][ T216] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.975648][ T216] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.975652][ T216] load_module (kernel/module/main.c:3593) [ 10.975657][ T216] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 10.975662][ T216] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.975669][ T216] init_module_from_file (kernel/module/main.c:3790) [ 10.975672][ T216] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.975679][ T216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.975683][ T216] ? 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) [ 10.975686][ T216] idempotent_init_module (kernel/module/main.c:3802) [ 10.975689][ T216] ? init_module_from_file (kernel/module/main.c:3791) [ 10.975694][ T216] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.975697][ T216] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 10.975702][ T216] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.975703][ T216] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.975707][ T216] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.975710][ T216] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.975713][ T216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.975715][ T216] RIP: 0033:0x7f805bb8737d [ 10.975718][ T216] 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 [ 10.975720][ T216] RSP: 002b:00007fffec6cf3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.975722][ T216] RAX: ffffffffffffffda RBX: 000055d6ee0b3a20 RCX: 00007f805bb8737d [ 10.975724][ T216] RDX: 0000000000000000 RSI: 000055d6e49c4ffd RDI: 0000000000000000 [ 10.975725][ T216] RBP: 00007fffec6cf450 R08: 0000000000000000 R09: 0000000000000000 [ 10.975725][ T216] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d6e49c4ffd [ 10.975726][ T216] R13: 000055d6ee0b39e0 R14: 0000000000040000 R15: 0000000000000000 | [ 17.056369][ T253] softirqs last disabled at (17075): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.056371][ T253] Preemption disabled at: | [ 17.056372][ T253] vprintk_emit (kernel/printk/printk.c:2471) | [ 17.056380][ T253] Tainted: [W]=WARN [ 17.056381][ T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.056382][ T253] Call Trace: [ 17.056384][ T253] [ 17.056388][ T253] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.056394][ T253] ? vprintk_emit (kernel/printk/printk.c:2471) [ 17.056395][ T253] __might_resched.cold (kernel/sched/core.c:9234) [ 17.056400][ T253] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.056404][ T253] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.056408][ T253] __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)) [ 17.056410][ T253] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.056417][ T253] ? 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) [ 17.056420][ T253] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.056424][ T253] put_chars (drivers/char/virtio_console.c:1176) [ 17.056426][ T253] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.056427][ T253] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.056431][ T253] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.056434][ T253] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.056439][ T253] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.056443][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.056448][ T253] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.056451][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.056456][ T253] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.056460][ T253] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.056462][ T253] ? 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)) [ 17.056465][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.056467][ T253] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.056471][ T253] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.056475][ T253] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.056477][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.056482][ T253] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.056485][ T253] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.056487][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.056489][ T253] ? 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) [ 17.056492][ T253] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.056494][ T253] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.056497][ T253] vprintk_emit (kernel/printk/printk.c:2479) [ 17.056501][ T253] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.056506][ T253] ? ip6gre_fini (net/ipv6/ip6_gre.c:1120) ip6_gre [ 17.056509][ T253] _printk (kernel/printk/printk.c:2504) [ 17.056513][ T253] ? snapshot_read.cold (user.c:?) [ 17.056519][ T253] ? 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) [ 17.056522][ T253] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre [ 17.056525][ T253] do_one_initcall (init/main.c:1357) [ 17.056528][ T253] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 17.056533][ T253] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 17.056536][ T253] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 17.056541][ T253] do_init_module (kernel/module/main.c:3117) [ 17.056544][ T253] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 17.056548][ T253] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 17.056551][ T253] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 17.056554][ T253] load_module (kernel/module/main.c:3593) [ 17.056560][ T253] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 17.056564][ T253] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 17.056568][ T253] ? __ia32_sys_fsconfig (??:?) [ 17.056572][ T253] ? backing_file_read_iter (fs/backing-file.c:211) [ 17.056576][ T253] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.056579][ T253] init_module_from_file (kernel/module/main.c:3790) [ 17.056582][ T253] ? __do_sys_init_module (kernel/module/main.c:3664) [ 17.056589][ T253] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.056593][ T253] ? 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) [ 17.056596][ T253] idempotent_init_module (kernel/module/main.c:3802) [ 17.056599][ T253] ? init_module_from_file (kernel/module/main.c:3791) [ 17.056604][ T253] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 17.056607][ T253] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 17.056612][ T253] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 17.056614][ T253] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.056618][ T253] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.056620][ T253] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.056623][ T253] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.056625][ T253] RIP: 0033:0x7ff83c38637d [ 17.056629][ T253] 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 [ 17.056631][ T253] RSP: 002b:00007ffe30ff4318 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 17.056634][ T253] RAX: ffffffffffffffda RBX: 00005555d0b32810 RCX: 00007ff83c38637d [ 17.056635][ T253] RDX: 0000000000000000 RSI: 00005555c3117ffd RDI: 0000000000000000 [ 17.056636][ T253] RBP: 00007ffe30ff43b0 R08: 0000000000000000 R09: 0000000000000000 [ 17.056637][ T253] R10: 0000000000000000 R11: 0000000000000246 R12: 00005555c3117ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars