====================================== | [ 9.573924][ T205] softirqs last disabled at (21511): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.573926][ T205] Preemption disabled at: | [ 9.573927][ T205] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.573935][ T205] Tainted: [W]=WARN [ 9.573936][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.573938][ T205] Call Trace: [ 9.573939][ T205] [ 9.573941][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.573946][ T205] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.573948][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 9.573952][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.573956][ 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) [ 9.573960][ 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)) [ 9.573962][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.573969][ 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) [ 9.573971][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.573975][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 9.573976][ T205] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 9.573979][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.573981][ T205] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.573985][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.573989][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.573993][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.573994][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.573999][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.574001][ T205] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 9.574004][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.574006][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.574010][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.574013][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.574015][ 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)) [ 9.574018][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.574020][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.574024][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.574028][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.574030][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.574035][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.574037][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.574039][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.574041][ 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) [ 9.574044][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.574046][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.574049][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 9.574052][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.574057][ T205] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 9.574059][ T205] _printk (kernel/printk/printk.c:2504) [ 9.574063][ T205] ? snapshot_read.cold (user.c:?) [ 9.574069][ 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) [ 9.574072][ T205] gre_init (gre.mod.c:?) gre [ 9.574074][ T205] do_one_initcall (init/main.c:1357) [ 9.574077][ T205] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 9.574081][ T205] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 9.574084][ T205] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 9.574089][ T205] do_init_module (kernel/module/main.c:3117) [ 9.574092][ T205] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.574096][ T205] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 9.574099][ T205] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 9.574102][ T205] load_module (kernel/module/main.c:3593) [ 9.574107][ T205] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 9.574112][ T205] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 9.574119][ T205] init_module_from_file (kernel/module/main.c:3790) [ 9.574121][ T205] ? __do_sys_init_module (kernel/module/main.c:3664) [ 9.574128][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.574132][ 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) [ 9.574135][ T205] idempotent_init_module (kernel/module/main.c:3802) [ 9.574137][ T205] ? init_module_from_file (kernel/module/main.c:3791) [ 9.574143][ T205] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.574144][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 9.574149][ T205] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 9.574150][ T205] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.574154][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.574157][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.574159][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.574162][ T205] RIP: 0033:0x7f79b2c3837d [ 9.574165][ 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 [ 9.574166][ T205] RSP: 002b:00007fffc3200448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.574169][ T205] RAX: ffffffffffffffda RBX: 00005655402e8a20 RCX: 00007f79b2c3837d [ 9.574170][ T205] RDX: 0000000000000000 RSI: 000056550acd9ffd RDI: 0000000000000000 [ 9.574171][ T205] RBP: 00007fffc32004e0 R08: 0000000000000000 R09: 0000000000000000 [ 9.574172][ T205] R10: 0000000000000000 R11: 0000000000000246 R12: 000056550acd9ffd [ 9.574172][ T205] R13: 00005655402e89e0 R14: 0000000000040000 R15: 0000000000000000 | [ 20.430274][ T700] softirqs last disabled at (25993): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.430276][ T700] Preemption disabled at: | [ 20.430277][ T700] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.430285][ T700] Tainted: [W]=WARN [ 20.430286][ T700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.430287][ T700] Call Trace: [ 20.430289][ T700] [ 20.430290][ T700] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.430300][ T700] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.430301][ T700] __might_resched.cold (kernel/sched/core.c:9234) [ 20.430305][ T700] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.430309][ 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) [ 20.430314][ 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)) [ 20.430315][ T700] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.430322][ 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) [ 20.430325][ T700] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.430328][ T700] put_chars (drivers/char/virtio_console.c:1176) [ 20.430330][ T700] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.430332][ T700] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.430335][ T700] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.430338][ T700] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.430343][ T700] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.430347][ T700] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.430353][ T700] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.430356][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.430360][ T700] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.430364][ T700] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.430366][ 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)) [ 20.430369][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.430371][ T700] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.430375][ T700] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.430379][ T700] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.430381][ T700] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.430386][ T700] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.430388][ T700] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.430390][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.430392][ 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) [ 20.430395][ T700] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.430397][ T700] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.430400][ T700] vprintk_emit (kernel/printk/printk.c:2479) [ 20.430403][ T700] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.430408][ T700] ? ip6gre_fini (net/ipv6/ip6_gre.c:1120) ip6_gre [ 20.430411][ T700] _printk (kernel/printk/printk.c:2504) [ 20.430415][ T700] ? snapshot_read.cold (user.c:?) [ 20.430421][ 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) [ 20.430424][ T700] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre [ 20.430427][ T700] do_one_initcall (init/main.c:1357) [ 20.430430][ T700] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 20.430434][ T700] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 20.430437][ T700] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 20.430442][ T700] do_init_module (kernel/module/main.c:3117) [ 20.430445][ T700] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.430449][ T700] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 20.430452][ T700] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 20.430455][ T700] load_module (kernel/module/main.c:3593) [ 20.430460][ T700] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 20.430465][ T700] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 20.430468][ T700] ? __ia32_sys_fsconfig (??:?) [ 20.430472][ T700] ? backing_file_read_iter (fs/backing-file.c:211) [ 20.430476][ T700] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.430479][ T700] init_module_from_file (kernel/module/main.c:3790) [ 20.430482][ T700] ? __do_sys_init_module (kernel/module/main.c:3664) [ 20.430489][ T700] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.430492][ 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) [ 20.430495][ T700] idempotent_init_module (kernel/module/main.c:3802) [ 20.430498][ T700] ? init_module_from_file (kernel/module/main.c:3791) [ 20.430503][ T700] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 20.430506][ T700] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 20.430511][ T700] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 20.430512][ T700] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.430516][ T700] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.430519][ T700] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.430522][ T700] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.430524][ T700] RIP: 0033:0x7fd0b0ffe37d [ 20.430527][ 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 [ 20.430529][ T700] RSP: 002b:00007ffd8c9b5728 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 20.430531][ T700] RAX: ffffffffffffffda RBX: 00005627befb3810 RCX: 00007fd0b0ffe37d [ 20.430533][ T700] RDX: 0000000000000000 RSI: 00005627b524bffd RDI: 0000000000000000 [ 20.430534][ T700] RBP: 00007ffd8c9b57c0 R08: 0000000000000000 R09: 0000000000000000 [ 20.430535][ T700] R10: 0000000000000000 R11: 0000000000000246 R12: 00005627b524bffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars