====================================== | [ 9.615505][ T205] softirqs last disabled at (31986): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.615508][ T205] Preemption disabled at: | [ 9.615509][ T205] 0x0 | [ 9.615518][ T205] Tainted: [W]=WARN [ 9.615519][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.615521][ T205] Call Trace: [ 9.615523][ T205] [ 9.615524][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.615530][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 9.615535][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.615539][ 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) [ 9.615543][ 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)) [ 9.615545][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.615551][ 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) [ 9.615554][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.615557][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 9.615560][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.615561][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.615565][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.615570][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.615577][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.615580][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.615582][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.615586][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.615589][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.615591][ 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)) [ 9.615594][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.615596][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.615600][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.615604][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.615606][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.615611][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.615614][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.615616][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.615617][ 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) [ 9.615621][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.615623][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.615625][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 9.615628][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.615631][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.615635][ T205] _printk (kernel/printk/printk.c:2504) [ 9.615638][ T205] ? snapshot_read.cold (user.c:?) [ 9.615641][ T205] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.615644][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.615647][ T205] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.615650][ T205] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.615654][ T205] ? exit_notify (kernel/exit.c:780) [ 9.615655][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.615658][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.615661][ T205] do_group_exit (kernel/exit.c:1151) [ 9.615664][ T205] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.615666][ T205] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.615668][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.615672][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.615675][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.615677][ T205] RIP: 0033:0x7f82b79501b8 [ 9.615679][ T205] Code: Unable to access opcode bytes at 0x7f82b795018e. Code starting with the faulting instruction =========================================== [ 9.615680][ T205] RSP: 002b:00007ffefdec7518 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.615682][ T205] RAX: ffffffffffffffda RBX: 00007f82b7a80f88 RCX: 00007f82b79501b8 [ 9.615684][ T205] RDX: 00007f82b769afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.615684][ T205] RBP: 00007ffefdec7570 R08: 0000000000000000 R09: 0000000000000000 [ 9.615685][ T205] R10: 00007ffefdec7330 R11: 0000000000000246 R12: 0000000000000001 [ 9.615686][ T205] R13: 0000000000000000 R14: 00007f82b7a7f680 R15: 00007f82b7a80fa0 | [ 15.956988][ T252] softirqs last disabled at (24589): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.956991][ T252] Preemption disabled at: | [ 15.956991][ T252] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.957000][ T252] Tainted: [W]=WARN [ 15.957001][ T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.957003][ T252] Call Trace: [ 15.957004][ T252] [ 15.957005][ T252] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.957011][ T252] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.957013][ T252] __might_resched.cold (kernel/sched/core.c:9234) [ 15.957017][ T252] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.957021][ 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) [ 15.957026][ 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)) [ 15.957027][ T252] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.957034][ 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) [ 15.957037][ T252] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.957041][ T252] put_chars (drivers/char/virtio_console.c:1176) [ 15.957043][ T252] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.957044][ T252] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.957047][ T252] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.957050][ T252] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.957055][ T252] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.957059][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.957064][ T252] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.957067][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.957071][ T252] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.957075][ T252] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.957077][ 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)) [ 15.957080][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.957082][ T252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.957085][ T252] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.957089][ T252] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.957091][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.957096][ T252] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.957099][ T252] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.957101][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.957103][ 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) [ 15.957106][ T252] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.957108][ T252] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.957111][ T252] vprintk_emit (kernel/printk/printk.c:2479) [ 15.957114][ T252] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.957119][ T252] ? ip6gre_fini (net/ipv6/ip6_gre.c:1112 (discriminator 1)) ip6_gre [ 15.957122][ T252] _printk (kernel/printk/printk.c:2504) [ 15.957125][ T252] ? snapshot_read.cold (user.c:?) [ 15.957131][ 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) [ 15.957135][ T252] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre [ 15.957137][ T252] do_one_initcall (init/main.c:1357) [ 15.957140][ T252] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 15.957144][ T252] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 15.957147][ T252] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 15.957152][ T252] do_init_module (kernel/module/main.c:3117) [ 15.957155][ T252] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.957159][ T252] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 15.957162][ T252] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 15.957165][ T252] load_module (kernel/module/main.c:3593) [ 15.957170][ T252] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 15.957175][ T252] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 15.957178][ T252] ? __ia32_sys_fsconfig (??:?) [ 15.957182][ T252] ? backing_file_read_iter (fs/backing-file.c:211) [ 15.957186][ T252] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.957189][ T252] init_module_from_file (kernel/module/main.c:3790) [ 15.957191][ T252] ? __do_sys_init_module (kernel/module/main.c:3664) [ 15.957198][ T252] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.957202][ 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) [ 15.957205][ T252] idempotent_init_module (kernel/module/main.c:3802) [ 15.957207][ T252] ? init_module_from_file (kernel/module/main.c:3791) [ 15.957213][ T252] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 15.957215][ T252] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 15.957220][ T252] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 15.957221][ T252] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.957225][ T252] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.957228][ T252] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.957230][ T252] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.957232][ T252] RIP: 0033:0x7f173ed7b37d [ 15.957235][ 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 [ 15.957237][ T252] RSP: 002b:00007ffd7f08a758 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 15.957240][ T252] RAX: ffffffffffffffda RBX: 0000559a6b852810 RCX: 00007f173ed7b37d [ 15.957241][ T252] RDX: 0000000000000000 RSI: 0000559a4ac75ffd RDI: 0000000000000000 [ 15.957242][ T252] RBP: 00007ffd7f08a7f0 R08: 0000000000000000 R09: 0000000000000000 [ 15.957243][ T252] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559a4ac75ffd Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars