====================================== | [ 10.912719][ T216] softirqs last disabled at (30519): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.912721][ T216] Preemption disabled at: | [ 10.912722][ T216] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.912730][ T216] Tainted: [W]=WARN [ 10.912730][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.912732][ T216] Call Trace: [ 10.912733][ T216] [ 10.912735][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.912741][ T216] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.912742][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 10.912747][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.912751][ 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) [ 10.912755][ 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)) [ 10.912757][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.912764][ 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) [ 10.912766][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.912770][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 10.912774][ T216] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 10.912777][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.912779][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.912782][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.912787][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.912791][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.912793][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.912797][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.912799][ T216] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.912802][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.912804][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.912808][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.912812][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.912814][ 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)) [ 10.912817][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.912819][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.912822][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.912826][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.912828][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.912833][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.912836][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.912838][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.912840][ 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) [ 10.912843][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.912845][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.912848][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 10.912851][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.912853][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.912855][ T216] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.912860][ T216] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 10.912862][ T216] _printk (kernel/printk/printk.c:2504) [ 10.912866][ T216] ? snapshot_read.cold (user.c:?) [ 10.912870][ 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) [ 10.912874][ 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) [ 10.912877][ T216] gact_init_module (net/sched/act_gact.c:180) act_gact [ 10.912879][ T216] do_one_initcall (init/main.c:1357) [ 10.912882][ T216] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.912886][ T216] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.912889][ T216] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.912894][ T216] do_init_module (kernel/module/main.c:3117) [ 10.912897][ T216] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.912901][ T216] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.912904][ T216] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.912907][ T216] load_module (kernel/module/main.c:3593) [ 10.912912][ T216] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 10.912917][ T216] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.912920][ T216] ? __ia32_sys_fsconfig (??:?) [ 10.912924][ T216] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.912927][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.912931][ T216] init_module_from_file (kernel/module/main.c:3790) [ 10.912933][ T216] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.912940][ T216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.912944][ 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) [ 10.912947][ T216] idempotent_init_module (kernel/module/main.c:3802) [ 10.912950][ T216] ? init_module_from_file (kernel/module/main.c:3791) [ 10.912955][ T216] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.912957][ T216] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 10.912962][ T216] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.912964][ T216] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.912966][ T216] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.912969][ T216] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.912972][ T216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.912974][ T216] RIP: 0033:0x7f8ac9f7137d [ 10.912977][ 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 [ 10.912979][ T216] RSP: 002b:00007ffde7d264f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.912981][ T216] RAX: ffffffffffffffda RBX: 000055c676bcd810 RCX: 00007f8ac9f7137d [ 10.912982][ T216] RDX: 0000000000000000 RSI: 000055c65692cffd RDI: 0000000000000000 [ 10.912983][ T216] RBP: 00007ffde7d26590 R08: 0000000000000000 R09: 0000000000000000 [ 10.912984][ T216] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c65692cffd [ 10.912985][ T216] R13: 000055c676bcd960 R14: 0000000000040000 R15: 0000000000000000 | [ 20.472682][ T689] softirqs last disabled at (12465): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.472684][ T689] Preemption disabled at: | [ 20.472685][ T689] 0x0 | [ 20.472695][ T689] Tainted: [W]=WARN [ 20.472696][ T689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.472697][ T689] Call Trace: [ 20.472699][ T689] [ 20.472701][ T689] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.472707][ T689] __might_resched.cold (kernel/sched/core.c:9234) [ 20.472712][ T689] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.472716][ T689] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.472720][ T689] __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)) [ 20.472722][ T689] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.472729][ T689] ? 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) [ 20.472732][ T689] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.472735][ T689] put_chars (drivers/char/virtio_console.c:1176) [ 20.472738][ T689] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.472739][ T689] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.472743][ T689] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.472748][ T689] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.472756][ T689] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.472758][ T689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.472761][ T689] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.472765][ T689] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.472770][ T689] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.472771][ T689] ? 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)) [ 20.472775][ T689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.472776][ T689] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.472781][ T689] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.472785][ T689] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.472787][ T689] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.472792][ T689] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.472795][ T689] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.472797][ T689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.472799][ T689] ? 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) [ 20.472803][ T689] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.472805][ T689] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.472807][ T689] vprintk_emit (kernel/printk/printk.c:2479) [ 20.472811][ T689] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.472814][ T689] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.472818][ T689] _printk (kernel/printk/printk.c:2504) [ 20.472821][ T689] ? snapshot_read.cold (user.c:?) [ 20.472824][ T689] ? 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) [ 20.472827][ T689] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.472831][ T689] ? 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) [ 20.472834][ T689] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 20.472838][ T689] ? exit_notify (kernel/exit.c:780) [ 20.472839][ T689] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.472842][ T689] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.472845][ T689] do_group_exit (kernel/exit.c:1151) [ 20.472848][ T689] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 20.472850][ T689] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 20.472853][ T689] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.472857][ T689] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.472860][ T689] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.472862][ T689] RIP: 0033:0x7f21c4dd41b8 [ 20.472864][ T689] Code: Unable to access opcode bytes at 0x7f21c4dd418e. Code starting with the faulting instruction =========================================== [ 20.472865][ T689] RSP: 002b:00007fff569e3c28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 20.472868][ T689] RAX: ffffffffffffffda RBX: 00007f21c4f04f88 RCX: 00007f21c4dd41b8 [ 20.472869][ T689] RDX: 00007f21c4bf8a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 20.472870][ T689] RBP: 00007fff569e3c80 R08: 00000000ffffffff R09: 0000000000000020 [ 20.472871][ T689] R10: 00007fff569e3aa0 R11: 0000000000000246 R12: 0000000000000004 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars