====================================== | [ 12.541900][ T262] softirqs last disabled at (24843): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.541903][ T262] Preemption disabled at: | [ 12.541904][ T262] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.541916][ T262] Tainted: [W]=WARN [ 12.541917][ T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.541919][ T262] Call Trace: [ 12.541922][ T262] [ 12.541924][ T262] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.541931][ T262] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.541934][ T262] __might_resched.cold (kernel/sched/core.c:9234) [ 12.541940][ T262] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.541946][ T262] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.541953][ T262] __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)) [ 12.541957][ T262] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.541965][ T262] ? 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) [ 12.541969][ T262] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.541974][ T262] put_chars (drivers/char/virtio_console.c:1176) [ 12.541977][ T262] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 12.541980][ T262] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.541985][ T262] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.541990][ T262] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.541997][ T262] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.542001][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.542003][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.542011][ T262] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.542013][ T262] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.542018][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.542022][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.542029][ T262] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.542035][ T262] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.542038][ T262] ? 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)) [ 12.542043][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.542046][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.542053][ T262] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.542060][ T262] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.542062][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.542071][ T262] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.542076][ T262] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.542078][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.542082][ T262] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.542088][ T262] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.542090][ T262] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.542096][ T262] vprintk_emit (kernel/printk/printk.c:2479) [ 12.542103][ T262] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.542112][ T262] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 12.542117][ T262] _printk (kernel/printk/printk.c:2504) [ 12.542122][ T262] ? snapshot_read.cold (user.c:?) [ 12.542132][ T262] ? 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) [ 12.542137][ T262] gre_init (gre.mod.c:?) gre [ 12.542140][ T262] do_one_initcall (init/main.c:1357) [ 12.542145][ T262] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.542151][ T262] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.542155][ T262] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.542162][ T262] do_init_module (kernel/module/main.c:3117) [ 12.542168][ T262] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.542174][ T262] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.542179][ T262] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.542186][ T262] load_module (kernel/module/main.c:3593) [ 12.542198][ T262] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.542207][ T262] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.542211][ T262] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.542218][ T262] init_module_from_file (kernel/module/main.c:3790) [ 12.542223][ T262] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.542237][ T262] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.542243][ T262] ? 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) [ 12.542248][ T262] idempotent_init_module (kernel/module/main.c:3802) [ 12.542253][ T262] ? init_module_from_file (kernel/module/main.c:3791) [ 12.542264][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.542268][ T262] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.542277][ T262] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.542280][ T262] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.542285][ T262] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.542287][ T262] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.542292][ T262] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.542295][ T262] RIP: 0033:0x7f6a24d4037d [ 12.542300][ T262] 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 [ 12.542302][ T262] RSP: 002b:00007ffea7a995b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.542306][ T262] RAX: ffffffffffffffda RBX: 0000563af9c80a40 RCX: 00007f6a24d4037d [ 12.542308][ T262] RDX: 0000000000000000 RSI: 0000563aedbddffd RDI: 0000000000000001 [ 12.542309][ T262] RBP: 00007ffea7a99650 R08: 0000000000000000 R09: 0000000000000000 [ 12.542310][ T262] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563aedbddffd [ 12.542312][ T262] R13: 0000563af9c80a00 R14: 0000000000040000 R15: 0000000000000000 | [ 14.269472][ T322] softirqs last disabled at (20195): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.269474][ T322] Preemption disabled at: | [ 14.269475][ T322] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.269484][ T322] Tainted: [W]=WARN [ 14.269485][ T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.269486][ T322] Call Trace: [ 14.269488][ T322] [ 14.269489][ T322] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.269495][ T322] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.269497][ T322] __might_resched.cold (kernel/sched/core.c:9234) [ 14.269502][ T322] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.269506][ T322] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.269511][ T322] __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)) [ 14.269514][ T322] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.269519][ T322] ? 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) [ 14.269522][ T322] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.269528][ T322] put_chars (drivers/char/virtio_console.c:1176) [ 14.269530][ T322] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 14.269532][ T322] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.269535][ T322] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.269538][ T322] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.269542][ T322] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.269545][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.269547][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.269551][ T322] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.269552][ T322] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.269555][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.269558][ T322] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.269562][ T322] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.269566][ T322] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.269567][ T322] ? 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)) [ 14.269570][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.269573][ T322] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.269576][ T322] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.269580][ T322] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.269582][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.269587][ T322] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.269590][ T322] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.269592][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.269594][ T322] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.269597][ T322] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.269599][ T322] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.269602][ T322] vprintk_emit (kernel/printk/printk.c:2479) [ 14.269606][ T322] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.269612][ T322] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 14.269614][ T322] _printk (kernel/printk/printk.c:2504) [ 14.269618][ T322] ? snapshot_read.cold (user.c:?) [ 14.269624][ T322] ? 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) [ 14.269627][ T322] gact_init_module (net/sched/act_gact.c:180) act_gact [ 14.269630][ T322] do_one_initcall (init/main.c:1357) [ 14.269632][ T322] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 14.269637][ T322] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 14.269640][ T322] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 14.269644][ T322] do_init_module (kernel/module/main.c:3117) [ 14.269648][ T322] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.269652][ T322] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 14.269655][ T322] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 14.269659][ T322] load_module (kernel/module/main.c:3593) [ 14.269666][ T322] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 14.269670][ T322] ? __ia32_sys_fsconfig (??:?) [ 14.269673][ T322] ? ovl_real_file (fs/overlayfs/file.c:195) [ 14.269677][ T322] ? backing_file_read_iter (fs/backing-file.c:211) [ 14.269680][ T322] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.269684][ T322] init_module_from_file (kernel/module/main.c:3790) [ 14.269687][ T322] ? __do_sys_init_module (kernel/module/main.c:3664) [ 14.269695][ T322] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.269698][ T322] ? 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) [ 14.269701][ T322] idempotent_init_module (kernel/module/main.c:3802) [ 14.269704][ T322] ? init_module_from_file (kernel/module/main.c:3791) [ 14.269710][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.269713][ T322] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.269718][ T322] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 14.269721][ T322] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.269724][ T322] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.269726][ T322] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.269728][ T322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.269730][ T322] RIP: 0033:0x7f6f4f0be37d [ 14.269734][ T322] 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 [ 14.269736][ T322] RSP: 002b:00007ffea6144728 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.269738][ T322] RAX: ffffffffffffffda RBX: 000055a2f31eb810 RCX: 00007f6f4f0be37d [ 14.269740][ T322] RDX: 0000000000000000 RSI: 000055a2d84f7ffd RDI: 0000000000000000 [ 14.269741][ T322] RBP: 00007ffea61447c0 R08: 0000000000000000 R09: 0000000000000000 [ 14.269742][ T322] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a2d84f7ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars