====================================== | [ 11.348446][ T248] softirqs last disabled at (31621): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.348449][ T248] Preemption disabled at: | [ 11.348450][ T248] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.348459][ T248] Tainted: [W]=WARN [ 11.348460][ T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.348461][ T248] Call Trace: [ 11.348463][ T248] [ 11.348464][ T248] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.348470][ T248] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.348472][ T248] __might_resched.cold (kernel/sched/core.c:9234) [ 11.348477][ T248] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.348481][ T248] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.348486][ T248] __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)) [ 11.348488][ T248] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.348494][ T248] ? 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) [ 11.348497][ T248] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.348500][ T248] put_chars (drivers/char/virtio_console.c:1176) [ 11.348503][ T248] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.348504][ T248] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.348509][ T248] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.348511][ T248] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.348516][ T248] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.348518][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.348523][ T248] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.348526][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.348531][ T248] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.348535][ T248] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.348536][ T248] ? 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)) [ 11.348539][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.348542][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.348545][ T248] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.348549][ T248] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.348551][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.348556][ T248] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.348559][ T248] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.348561][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.348563][ T248] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.348567][ T248] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.348568][ T248] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.348572][ T248] vprintk_emit (kernel/printk/printk.c:2479) [ 11.348576][ T248] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.348581][ T248] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 11.348585][ T248] _printk (kernel/printk/printk.c:2504) [ 11.348589][ T248] ? snapshot_read.cold (user.c:?) [ 11.348595][ T248] ? 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) [ 11.348598][ T248] 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 [ 11.348601][ T248] do_one_initcall (init/main.c:1357) [ 11.348604][ T248] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.348608][ T248] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.348611][ T248] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.348616][ T248] do_init_module (kernel/module/main.c:3117) [ 11.348619][ T248] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.348624][ T248] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.348627][ T248] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.348631][ T248] load_module (kernel/module/main.c:3593) [ 11.348638][ T248] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.348642][ T248] ? __ia32_sys_fsconfig (??:?) [ 11.348645][ T248] ? ovl_real_file (fs/overlayfs/file.c:195) [ 11.348649][ T248] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.348652][ T248] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.348656][ T248] init_module_from_file (kernel/module/main.c:3790) [ 11.348659][ T248] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.348667][ T248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.348671][ T248] ? 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) [ 11.348674][ T248] idempotent_init_module (kernel/module/main.c:3802) [ 11.348677][ T248] ? init_module_from_file (kernel/module/main.c:3791) [ 11.348683][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.348686][ T248] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.348692][ T248] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.348694][ T248] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.348697][ T248] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.348699][ T248] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.348702][ T248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.348704][ T248] RIP: 0033:0x7fc9cad0337d [ 11.348709][ T248] 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 [ 11.348711][ T248] RSP: 002b:00007fffddc0ad58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.348714][ T248] RAX: ffffffffffffffda RBX: 000055d05055c810 RCX: 00007fc9cad0337d [ 11.348716][ T248] RDX: 0000000000000000 RSI: 000055d016a42ffd RDI: 0000000000000000 [ 11.348717][ T248] RBP: 00007fffddc0adf0 R08: 0000000000000000 R09: 0000000000000000 [ 11.348718][ T248] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d016a42ffd [ 11.348718][ T248] R13: 000055d05055c960 R14: 0000000000040000 R15: 0000000000000000 | [ 13.486676][ T326] softirqs last disabled at (22963): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.486679][ T326] Preemption disabled at: | [ 13.486679][ T326] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.486689][ T326] Tainted: [W]=WARN [ 13.486690][ T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.486692][ T326] Call Trace: [ 13.486693][ T326] [ 13.486695][ T326] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.486700][ T326] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.486703][ T326] __might_resched.cold (kernel/sched/core.c:9234) [ 13.486709][ T326] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.486713][ T326] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.486718][ T326] __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)) [ 13.486720][ T326] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.486726][ T326] ? 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) [ 13.486729][ T326] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.486732][ T326] put_chars (drivers/char/virtio_console.c:1176) [ 13.486734][ T326] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 13.486736][ T326] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.486739][ T326] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.486742][ T326] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.486747][ T326] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.486749][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.486751][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.486755][ T326] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.486756][ T326] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.486759][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.486762][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.486766][ T326] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.486770][ T326] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.486771][ T326] ? 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)) [ 13.486774][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.486777][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.486780][ T326] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.486784][ T326] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.486786][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.486791][ T326] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.486794][ T326] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.486796][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.486798][ T326] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.486801][ T326] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.486803][ T326] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.486806][ T326] vprintk_emit (kernel/printk/printk.c:2479) [ 13.486810][ T326] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.486815][ T326] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 13.486818][ T326] _printk (kernel/printk/printk.c:2504) [ 13.486822][ T326] ? snapshot_read.cold (user.c:?) [ 13.486828][ T326] ? 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) [ 13.486831][ T326] gact_init_module (net/sched/act_gact.c:180) act_gact [ 13.486833][ T326] do_one_initcall (init/main.c:1357) [ 13.486836][ T326] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.486841][ T326] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.486844][ T326] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.486848][ T326] do_init_module (kernel/module/main.c:3117) [ 13.486852][ T326] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.486856][ T326] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.486859][ T326] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.486863][ T326] load_module (kernel/module/main.c:3593) [ 13.486870][ T326] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.486874][ T326] ? __ia32_sys_fsconfig (??:?) [ 13.486877][ T326] ? ovl_real_file (fs/overlayfs/file.c:195) [ 13.486881][ T326] ? backing_file_read_iter (fs/backing-file.c:211) [ 13.486884][ T326] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.486888][ T326] init_module_from_file (kernel/module/main.c:3790) [ 13.486891][ T326] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.486899][ T326] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.486902][ T326] ? 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) [ 13.486905][ T326] idempotent_init_module (kernel/module/main.c:3802) [ 13.486908][ T326] ? init_module_from_file (kernel/module/main.c:3791) [ 13.486914][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.486917][ T326] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.486922][ T326] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.486924][ T326] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.486928][ T326] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.486930][ T326] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.486933][ T326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.486935][ T326] RIP: 0033:0x7fdc3787437d [ 13.486938][ T326] 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 [ 13.486940][ T326] RSP: 002b:00007fff6f8c3928 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.486943][ T326] RAX: ffffffffffffffda RBX: 000055e84ffc6810 RCX: 00007fdc3787437d [ 13.486944][ T326] RDX: 0000000000000000 RSI: 000055e83f3cdffd RDI: 0000000000000000 [ 13.486945][ T326] RBP: 00007fff6f8c39c0 R08: 0000000000000000 R09: 0000000000000000 [ 13.486946][ T326] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e83f3cdffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars