====================================== | [ 9.910461][ T216] softirqs last disabled at (24199): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.910464][ T216] Preemption disabled at: | [ 9.910465][ T216] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.910473][ T216] Tainted: [W]=WARN [ 9.910474][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.910476][ T216] Call Trace: [ 9.910477][ T216] [ 9.910479][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.910484][ T216] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.910486][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 9.910491][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.910494][ 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) [ 9.910499][ 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)) [ 9.910501][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.910508][ 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) [ 9.910511][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.910515][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 9.910516][ T216] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 9.910519][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.910521][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.910525][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.910529][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.910533][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.910535][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.910539][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.910541][ T216] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 9.910544][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.910547][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.910551][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.910555][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.910557][ 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)) [ 9.910560][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.910561][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.910565][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.910570][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.910572][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.910577][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.910580][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.910582][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.910584][ 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) [ 9.910588][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.910590][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.910592][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 9.910596][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.910601][ T216] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 9.910603][ T216] _printk (kernel/printk/printk.c:2504) [ 9.910607][ T216] ? snapshot_read.cold (user.c:?) [ 9.910613][ 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) [ 9.910616][ T216] gre_init (gre.mod.c:?) gre [ 9.910619][ T216] do_one_initcall (init/main.c:1357) [ 9.910622][ T216] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 9.910626][ T216] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 9.910629][ T216] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 9.910636][ T216] do_init_module (kernel/module/main.c:3117) [ 9.910639][ T216] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.910643][ T216] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 9.910646][ T216] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 9.910649][ T216] load_module (kernel/module/main.c:3593) [ 9.910654][ T216] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 9.910659][ T216] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 9.910666][ T216] init_module_from_file (kernel/module/main.c:3790) [ 9.910668][ T216] ? __do_sys_init_module (kernel/module/main.c:3664) [ 9.910675][ T216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.910679][ 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) [ 9.910682][ T216] idempotent_init_module (kernel/module/main.c:3802) [ 9.910684][ T216] ? init_module_from_file (kernel/module/main.c:3791) [ 9.910690][ T216] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.910692][ T216] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 9.910697][ T216] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 9.910699][ T216] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.910703][ T216] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.910706][ T216] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.910708][ T216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.910710][ T216] RIP: 0033:0x7f9cfa5d337d [ 9.910714][ 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 [ 9.910715][ T216] RSP: 002b:00007ffdf8870ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.910718][ T216] RAX: ffffffffffffffda RBX: 0000555a7a1c1a20 RCX: 00007f9cfa5d337d [ 9.910719][ T216] RDX: 0000000000000000 RSI: 0000555a54ad6ffd RDI: 0000000000000000 [ 9.910720][ T216] RBP: 00007ffdf8870b70 R08: 0000000000000000 R09: 0000000000000000 [ 9.910721][ T216] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555a54ad6ffd [ 9.910722][ T216] R13: 0000555a7a1c19e0 R14: 0000000000040000 R15: 0000000000000000 | [ 15.964426][ T252] softirqs last disabled at (24891): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.964428][ T252] Preemption disabled at: | [ 15.964429][ T252] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.964437][ T252] Tainted: [W]=WARN [ 15.964438][ T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.964439][ T252] Call Trace: [ 15.964441][ T252] [ 15.964442][ T252] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.964448][ T252] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.964449][ T252] __might_resched.cold (kernel/sched/core.c:9234) [ 15.964454][ T252] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.964458][ T252] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.964463][ T252] __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)) [ 15.964465][ T252] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.964471][ T252] ? 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) [ 15.964474][ T252] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.964478][ T252] put_chars (drivers/char/virtio_console.c:1176) [ 15.964480][ T252] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.964481][ T252] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.964485][ T252] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.964488][ T252] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.964493][ T252] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.964496][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.964501][ T252] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.964504][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.964509][ T252] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.964513][ T252] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.964515][ T252] ? 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)) [ 15.964518][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.964520][ T252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.964524][ T252] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.964528][ T252] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.964529][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.964535][ T252] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.964537][ T252] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.964539][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.964541][ T252] ? 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) [ 15.964544][ T252] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.964546][ T252] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.964549][ T252] vprintk_emit (kernel/printk/printk.c:2479) [ 15.964552][ T252] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.964557][ T252] ? ip6gre_fini (net/ipv6/ip6_gre.c:1112 (discriminator 1)) ip6_gre [ 15.964561][ T252] _printk (kernel/printk/printk.c:2504) [ 15.964564][ T252] ? snapshot_read.cold (user.c:?) [ 15.964570][ T252] ? 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) [ 15.964573][ T252] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre [ 15.964577][ T252] do_one_initcall (init/main.c:1357) [ 15.964579][ T252] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 15.964584][ T252] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 15.964587][ T252] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 15.964592][ T252] do_init_module (kernel/module/main.c:3117) [ 15.964595][ T252] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.964599][ T252] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 15.964602][ T252] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 15.964605][ T252] load_module (kernel/module/main.c:3593) [ 15.964610][ T252] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 15.964615][ T252] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 15.964618][ T252] ? __ia32_sys_fsconfig (??:?) [ 15.964622][ T252] ? backing_file_read_iter (fs/backing-file.c:211) [ 15.964626][ T252] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.964629][ T252] init_module_from_file (kernel/module/main.c:3790) [ 15.964633][ T252] ? __do_sys_init_module (kernel/module/main.c:3664) [ 15.964640][ T252] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.964644][ T252] ? 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) [ 15.964647][ T252] idempotent_init_module (kernel/module/main.c:3802) [ 15.964650][ T252] ? init_module_from_file (kernel/module/main.c:3791) [ 15.964655][ T252] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 15.964657][ T252] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 15.964662][ T252] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 15.964664][ T252] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.964668][ T252] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.964671][ T252] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.964674][ T252] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.964676][ T252] RIP: 0033:0x7f6d8a2f437d [ 15.964679][ T252] 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 [ 15.964681][ T252] RSP: 002b:00007fff2243ba28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 15.964684][ T252] RAX: ffffffffffffffda RBX: 000055e9131df810 RCX: 00007f6d8a2f437d [ 15.964685][ T252] RDX: 0000000000000000 RSI: 000055e8d7a33ffd RDI: 0000000000000000 [ 15.964686][ T252] RBP: 00007fff2243bac0 R08: 0000000000000000 R09: 0000000000000000 [ 15.964687][ T252] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e8d7a33ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars