====================================== | [ 11.616836][ T272] softirqs last disabled at (17249): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.616839][ T272] Preemption disabled at: | [ 11.616839][ T272] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.616849][ T272] Tainted: [W]=WARN [ 11.616850][ T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.616852][ T272] Call Trace: [ 11.616853][ T272] [ 11.616855][ T272] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.616861][ T272] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.616863][ T272] __might_resched.cold (kernel/sched/core.c:9234) [ 11.616867][ T272] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.616872][ T272] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.616877][ T272] __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)) [ 11.616879][ T272] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.616885][ T272] ? 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) [ 11.616888][ T272] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.616891][ T272] put_chars (drivers/char/virtio_console.c:1176) [ 11.616894][ T272] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.616896][ T272] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.616900][ T272] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.616903][ T272] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.616907][ T272] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.616910][ T272] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.616915][ T272] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.616917][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.616922][ T272] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.616926][ T272] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.616928][ T272] ? 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)) [ 11.616931][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.616933][ T272] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.616937][ T272] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.616941][ T272] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.616943][ T272] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.616948][ T272] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.616950][ T272] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.616952][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.616954][ T272] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.616958][ T272] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.616960][ T272] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.616963][ T272] vprintk_emit (kernel/printk/printk.c:2479) [ 11.616967][ T272] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.616972][ T272] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 11.616976][ T272] _printk (kernel/printk/printk.c:2504) [ 11.616980][ T272] ? snapshot_read.cold (user.c:?) [ 11.616986][ T272] ? 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) [ 11.616989][ T272] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 11.616992][ T272] do_one_initcall (init/main.c:1357) [ 11.616995][ T272] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.616999][ T272] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.617002][ T272] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.617007][ T272] do_init_module (kernel/module/main.c:3117) [ 11.617011][ T272] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.617015][ T272] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.617019][ T272] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.617022][ T272] load_module (kernel/module/main.c:3593) [ 11.617029][ T272] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.617033][ T272] ? __ia32_sys_fsconfig (??:?) [ 11.617036][ T272] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.617039][ T272] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.617043][ T272] init_module_from_file (kernel/module/main.c:3790) [ 11.617046][ T272] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.617054][ T272] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.617057][ T272] ? 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) [ 11.617060][ T272] idempotent_init_module (kernel/module/main.c:3802) [ 11.617064][ T272] ? init_module_from_file (kernel/module/main.c:3791) [ 11.617070][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.617072][ T272] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.617078][ T272] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.617080][ T272] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.617084][ T272] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.617085][ T272] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.617088][ T272] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.617090][ T272] RIP: 0033:0x7f18658c937d [ 11.617093][ T272] 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 [ 11.617095][ T272] RSP: 002b:00007ffd58bc2798 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.617098][ T272] RAX: ffffffffffffffda RBX: 0000564e9f99e810 RCX: 00007f18658c937d [ 11.617099][ T272] RDX: 0000000000000000 RSI: 0000564e9ed35ffd RDI: 0000000000000000 [ 11.617100][ T272] RBP: 00007ffd58bc2830 R08: 0000000000000000 R09: 0000000000000000 [ 11.617101][ T272] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564e9ed35ffd [ 11.617102][ T272] R13: 0000564e9f99e960 R14: 0000000000040000 R15: 0000000000000000 | [ 18.628769][ T363] softirqs last disabled at (20557): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.628772][ T363] Preemption disabled at: | [ 18.628773][ T363] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.628785][ T363] Tainted: [W]=WARN [ 18.628786][ T363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.628788][ T363] Call Trace: [ 18.628790][ T363] [ 18.628792][ T363] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.628799][ T363] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.628803][ T363] __might_resched.cold (kernel/sched/core.c:9234) [ 18.628808][ T363] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.628814][ T363] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.628821][ T363] __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)) [ 18.628825][ T363] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.628833][ T363] ? 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) [ 18.628836][ T363] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.628841][ T363] put_chars (drivers/char/virtio_console.c:1176) [ 18.628844][ T363] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 18.628847][ T363] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.628852][ T363] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.628856][ T363] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.628864][ T363] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.628867][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.628869][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.628876][ T363] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.628878][ T363] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 18.628883][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.628887][ T363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.628893][ T363] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.628899][ T363] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.628901][ T363] ? 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)) [ 18.628906][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.628910][ T363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.628916][ T363] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.628922][ T363] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.628925][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.628933][ T363] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.628937][ T363] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.628939][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.628943][ T363] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.628949][ T363] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.628951][ T363] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.628956][ T363] vprintk_emit (kernel/printk/printk.c:2479) [ 18.628962][ T363] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.628971][ T363] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 18.628975][ T363] _printk (kernel/printk/printk.c:2504) [ 18.628980][ T363] ? snapshot_read.cold (user.c:?) [ 18.628990][ T363] ? 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) [ 18.628995][ T363] gact_init_module (net/sched/act_gact.c:180) act_gact [ 18.628999][ T363] do_one_initcall (init/main.c:1357) [ 18.629003][ T363] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 18.629010][ T363] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 18.629014][ T363] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 18.629021][ T363] do_init_module (kernel/module/main.c:3117) [ 18.629027][ T363] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 18.629032][ T363] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 18.629037][ T363] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 18.629043][ T363] load_module (kernel/module/main.c:3593) [ 18.629055][ T363] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 18.629061][ T363] ? __ia32_sys_fsconfig (??:?) [ 18.629064][ T363] ? ovl_real_file (fs/overlayfs/file.c:195) [ 18.629069][ T363] ? backing_file_read_iter (fs/backing-file.c:211) [ 18.629074][ T363] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.629080][ T363] init_module_from_file (kernel/module/main.c:3790) [ 18.629084][ T363] ? __do_sys_init_module (kernel/module/main.c:3664) [ 18.629098][ T363] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.629103][ T363] ? 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) [ 18.629108][ T363] idempotent_init_module (kernel/module/main.c:3802) [ 18.629113][ T363] ? init_module_from_file (kernel/module/main.c:3791) [ 18.629123][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.629126][ T363] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 18.629135][ T363] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 18.629138][ T363] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.629143][ T363] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.629145][ T363] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.629149][ T363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.629153][ T363] RIP: 0033:0x7f024e3b037d [ 18.629157][ T363] 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 [ 18.629159][ T363] RSP: 002b:00007ffeb0365138 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 18.629163][ T363] RAX: ffffffffffffffda RBX: 000055d0f0d57810 RCX: 00007f024e3b037d [ 18.629165][ T363] RDX: 0000000000000000 RSI: 000055d0b8294ffd RDI: 0000000000000000 [ 18.629166][ T363] RBP: 00007ffeb03651d0 R08: 0000000000000000 R09: 0000000000000000 [ 18.629168][ T363] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d0b8294ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars