====================================== | [ 9.429488][ T205] softirqs last disabled at (24235): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.429491][ T205] Preemption disabled at: | [ 9.429491][ T205] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.429500][ T205] Tainted: [W]=WARN [ 9.429501][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.429503][ T205] Call Trace: [ 9.429504][ T205] [ 9.429506][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.429512][ T205] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.429513][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 9.429518][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.429522][ T205] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.429526][ T205] __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)) [ 9.429528][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.429535][ T205] ? 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) [ 9.429537][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.429541][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 9.429543][ T205] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 9.429545][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.429548][ T205] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.429551][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.429555][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.429559][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.429561][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.429565][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.429567][ T205] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 9.429570][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.429572][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.429576][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.429580][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.429582][ T205] ? 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)) [ 9.429585][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.429587][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.429590][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.429594][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.429596][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.429601][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.429604][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.429606][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.429608][ T205] ? 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) [ 9.429611][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.429613][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.429616][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 9.429619][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.429623][ T205] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 9.429626][ T205] _printk (kernel/printk/printk.c:2504) [ 9.429630][ T205] ? snapshot_read.cold (user.c:?) [ 9.429635][ T205] ? 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) [ 9.429639][ T205] gre_init (gre.mod.c:?) gre [ 9.429641][ T205] do_one_initcall (init/main.c:1357) [ 9.429644][ T205] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 9.429648][ T205] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 9.429651][ T205] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 9.429656][ T205] do_init_module (kernel/module/main.c:3117) [ 9.429659][ T205] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.429663][ T205] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 9.429665][ T205] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 9.429669][ T205] load_module (kernel/module/main.c:3593) [ 9.429674][ T205] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 9.429679][ T205] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 9.429686][ T205] init_module_from_file (kernel/module/main.c:3790) [ 9.429688][ T205] ? __do_sys_init_module (kernel/module/main.c:3664) [ 9.429695][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.429699][ T205] ? 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) [ 9.429702][ T205] idempotent_init_module (kernel/module/main.c:3802) [ 9.429705][ T205] ? init_module_from_file (kernel/module/main.c:3791) [ 9.429713][ T205] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.429716][ T205] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 9.429721][ T205] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 9.429722][ T205] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.429726][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.429729][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.429731][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.429733][ T205] RIP: 0033:0x7f9adefcd37d [ 9.429737][ T205] 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 [ 9.429738][ T205] RSP: 002b:00007ffd85ce1aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.429741][ T205] RAX: ffffffffffffffda RBX: 000055a9e6776a20 RCX: 00007f9adefcd37d [ 9.429742][ T205] RDX: 0000000000000000 RSI: 000055a9d61acffd RDI: 0000000000000000 [ 9.429743][ T205] RBP: 00007ffd85ce1b40 R08: 0000000000000000 R09: 0000000000000000 [ 9.429744][ T205] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a9d61acffd [ 9.429744][ T205] R13: 000055a9e67769e0 R14: 0000000000040000 R15: 0000000000000000 | [ 19.968407][ T699] softirqs last disabled at (44937): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.968410][ T699] Preemption disabled at: | [ 19.968410][ T699] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.968419][ T699] Tainted: [W]=WARN [ 19.968419][ T699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.968421][ T699] Call Trace: [ 19.968423][ T699] [ 19.968424][ T699] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.968430][ T699] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.968432][ T699] __might_resched.cold (kernel/sched/core.c:9234) [ 19.968436][ T699] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.968440][ T699] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.968444][ T699] __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)) [ 19.968446][ T699] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.968453][ T699] ? 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) [ 19.968455][ T699] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.968459][ T699] put_chars (drivers/char/virtio_console.c:1176) [ 19.968462][ T699] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.968463][ T699] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.968466][ T699] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.968469][ T699] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.968474][ T699] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.968478][ T699] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.968483][ T699] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.968486][ T699] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.968490][ T699] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.968494][ T699] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.968496][ T699] ? 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)) [ 19.968499][ T699] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.968501][ T699] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.968505][ T699] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.968509][ T699] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.968511][ T699] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.968516][ T699] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.968519][ T699] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.968521][ T699] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.968523][ T699] ? 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) [ 19.968526][ T699] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.968528][ T699] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.968531][ T699] vprintk_emit (kernel/printk/printk.c:2479) [ 19.968534][ T699] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.968539][ T699] ? ip6gre_fini (net/ipv6/ip6_gre.c:1112 (discriminator 1)) ip6_gre [ 19.968542][ T699] _printk (kernel/printk/printk.c:2504) [ 19.968545][ T699] ? snapshot_read.cold (user.c:?) [ 19.968551][ T699] ? 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) [ 19.968555][ T699] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre [ 19.968557][ T699] do_one_initcall (init/main.c:1357) [ 19.968560][ T699] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 19.968565][ T699] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 19.968567][ T699] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 19.968573][ T699] do_init_module (kernel/module/main.c:3117) [ 19.968576][ T699] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.968580][ T699] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 19.968582][ T699] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 19.968586][ T699] load_module (kernel/module/main.c:3593) [ 19.968591][ T699] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 19.968595][ T699] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 19.968599][ T699] ? __ia32_sys_fsconfig (??:?) [ 19.968603][ T699] ? backing_file_read_iter (fs/backing-file.c:211) [ 19.968606][ T699] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.968610][ T699] init_module_from_file (kernel/module/main.c:3790) [ 19.968612][ T699] ? __do_sys_init_module (kernel/module/main.c:3664) [ 19.968620][ T699] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.968623][ T699] ? 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) [ 19.968626][ T699] idempotent_init_module (kernel/module/main.c:3802) [ 19.968629][ T699] ? init_module_from_file (kernel/module/main.c:3791) [ 19.968634][ T699] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 19.968637][ T699] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 19.968642][ T699] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 19.968644][ T699] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.968647][ T699] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.968650][ T699] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.968653][ T699] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.968655][ T699] RIP: 0033:0x7f866f0e137d [ 19.968658][ T699] 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 [ 19.968660][ T699] RSP: 002b:00007ffde9dd3aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 19.968662][ T699] RAX: ffffffffffffffda RBX: 00005649a1ed3810 RCX: 00007f866f0e137d [ 19.968664][ T699] RDX: 0000000000000000 RSI: 000056498959fffd RDI: 0000000000000000 [ 19.968665][ T699] RBP: 00007ffde9dd3b40 R08: 0000000000000000 R09: 0000000000000000 [ 19.968666][ T699] R10: 0000000000000000 R11: 0000000000000246 R12: 000056498959fffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars