====================================== | [ 10.593183][ T205] softirqs last disabled at (30231): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.593185][ T205] Preemption disabled at: | [ 10.593186][ T205] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.593195][ T205] Tainted: [W]=WARN [ 10.593196][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.593197][ T205] Call Trace: [ 10.593199][ T205] [ 10.593200][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.593207][ T205] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.593208][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 10.593213][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.593217][ 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) [ 10.593221][ 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)) [ 10.593223][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.593230][ 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) [ 10.593232][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.593236][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 10.593238][ T205] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 10.593240][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.593243][ T205] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.593246][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.593251][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.593255][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.593256][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.593261][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.593263][ T205] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.593266][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.593268][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.593272][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.593276][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.593278][ 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)) [ 10.593281][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.593283][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.593288][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.593292][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.593294][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.593299][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.593302][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.593304][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.593305][ 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) [ 10.593309][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.593311][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.593313][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 10.593317][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.593321][ T205] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 10.593324][ T205] _printk (kernel/printk/printk.c:2504) [ 10.593328][ T205] ? snapshot_read.cold (user.c:?) [ 10.593334][ 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) [ 10.593337][ T205] gre_init (gre.mod.c:?) gre [ 10.593346][ T205] do_one_initcall (init/main.c:1357) [ 10.593349][ T205] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.593353][ T205] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.593356][ T205] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.593361][ T205] do_init_module (kernel/module/main.c:3117) [ 10.593364][ T205] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.593369][ T205] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.593371][ T205] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.593374][ T205] load_module (kernel/module/main.c:3593) [ 10.593380][ T205] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 10.593384][ T205] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.593391][ T205] init_module_from_file (kernel/module/main.c:3790) [ 10.593394][ T205] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.593401][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.593405][ 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) [ 10.593408][ T205] idempotent_init_module (kernel/module/main.c:3802) [ 10.593411][ T205] ? init_module_from_file (kernel/module/main.c:3791) [ 10.593416][ T205] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.593418][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.593423][ T205] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.593424][ T205] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.593428][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.593431][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.593435][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.593438][ T205] RIP: 0033:0x7fe7412aa37d [ 10.593441][ 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 [ 10.593443][ T205] RSP: 002b:00007ffc8fc90eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.593446][ T205] RAX: ffffffffffffffda RBX: 0000558bea70ca20 RCX: 00007fe7412aa37d [ 10.593447][ T205] RDX: 0000000000000000 RSI: 0000558be0198ffd RDI: 0000000000000000 [ 10.593448][ T205] RBP: 00007ffc8fc90f50 R08: 0000000000000000 R09: 0000000000000000 [ 10.593449][ T205] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558be0198ffd [ 10.593450][ T205] R13: 0000558bea70c9e0 R14: 0000000000040000 R15: 0000000000000000 | [ 23.214545][ T700] softirqs last disabled at (32089): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 23.214547][ T700] Preemption disabled at: | [ 23.214548][ T700] vprintk_emit (kernel/printk/printk.c:2471) | [ 23.214556][ T700] Tainted: [W]=WARN [ 23.214557][ T700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.214559][ T700] Call Trace: [ 23.214561][ T700] [ 23.214562][ T700] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.214568][ T700] ? vprintk_emit (kernel/printk/printk.c:2471) [ 23.214570][ T700] __might_resched.cold (kernel/sched/core.c:9234) [ 23.214574][ T700] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.214579][ T700] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.214583][ T700] __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)) [ 23.214585][ T700] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.214592][ T700] ? 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) [ 23.214594][ T700] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.214598][ T700] put_chars (drivers/char/virtio_console.c:1176) [ 23.214601][ T700] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.214602][ T700] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.214605][ T700] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.214608][ T700] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.214613][ T700] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.214617][ T700] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.214622][ T700] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.214625][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.214630][ T700] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.214634][ T700] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.214636][ T700] ? 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)) [ 23.214639][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.214640][ T700] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.214644][ T700] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.214648][ T700] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.214650][ T700] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.214656][ T700] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.214658][ T700] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.214660][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.214662][ T700] ? 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) [ 23.214665][ T700] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.214667][ T700] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.214670][ T700] vprintk_emit (kernel/printk/printk.c:2479) [ 23.214673][ T700] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.214678][ T700] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 23.214681][ T700] _printk (kernel/printk/printk.c:2504) [ 23.214685][ T700] ? snapshot_read.cold (user.c:?) [ 23.214691][ T700] ? 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) [ 23.214694][ T700] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre [ 23.214697][ T700] do_one_initcall (init/main.c:1357) [ 23.214700][ T700] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 23.214705][ T700] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 23.214707][ T700] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 23.214713][ T700] do_init_module (kernel/module/main.c:3117) [ 23.214716][ T700] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.214720][ T700] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 23.214722][ T700] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 23.214726][ T700] load_module (kernel/module/main.c:3593) [ 23.214731][ T700] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 23.214736][ T700] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 23.214739][ T700] ? __ia32_sys_fsconfig (??:?) [ 23.214743][ T700] ? backing_file_read_iter (fs/backing-file.c:211) [ 23.214747][ T700] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.214750][ T700] init_module_from_file (kernel/module/main.c:3790) [ 23.214752][ T700] ? __do_sys_init_module (kernel/module/main.c:3664) [ 23.214759][ T700] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.214763][ T700] ? 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) [ 23.214766][ T700] idempotent_init_module (kernel/module/main.c:3802) [ 23.214769][ T700] ? init_module_from_file (kernel/module/main.c:3791) [ 23.214774][ T700] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 23.214776][ T700] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 23.214782][ T700] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 23.214783][ T700] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.214787][ T700] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 23.214790][ T700] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 23.214793][ T700] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.214795][ T700] RIP: 0033:0x7f6ce638f37d [ 23.214799][ T700] 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 [ 23.214800][ T700] RSP: 002b:00007fffff7d9528 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 23.214803][ T700] RAX: ffffffffffffffda RBX: 0000559a4cbb2810 RCX: 00007f6ce638f37d [ 23.214804][ T700] RDX: 0000000000000000 RSI: 0000559a1f020ffd RDI: 0000000000000000 [ 23.214805][ T700] RBP: 00007fffff7d95c0 R08: 0000000000000000 R09: 0000000000000000 [ 23.214806][ T700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559a1f020ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars