====================================== | [ 10.384719][ T216] softirqs last disabled at (30539): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.384722][ T216] Preemption disabled at: | [ 10.384722][ T216] 0x0 | [ 10.384733][ T216] Tainted: [W]=WARN [ 10.384734][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.384735][ T216] Call Trace: [ 10.384737][ T216] [ 10.384738][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.384745][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 10.384749][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.384753][ 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) [ 10.384759][ 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)) [ 10.384761][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.384769][ 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) [ 10.384772][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.384775][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 10.384778][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.384780][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.384785][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.384793][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.384800][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.384802][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.384805][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.384809][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.384813][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.384815][ 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)) [ 10.384818][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.384820][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.384824][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.384829][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.384831][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.384836][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.384839][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.384841][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.384843][ T216] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.384847][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.384849][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.384852][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 10.384856][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.384860][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.384863][ T216] _printk (kernel/printk/printk.c:2504) [ 10.384867][ T216] ? snapshot_read.cold (user.c:?) [ 10.384870][ T216] ? 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) [ 10.384873][ T216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.384877][ T216] ? 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) [ 10.384880][ T216] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.384884][ T216] ? exit_notify (kernel/exit.c:780) [ 10.384886][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.384889][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.384893][ T216] do_group_exit (kernel/exit.c:1151) [ 10.384896][ T216] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.384898][ T216] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.384900][ T216] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.384903][ T216] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.384907][ T216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.384909][ T216] RIP: 0033:0x7efe252651b8 [ 10.384912][ T216] Code: Unable to access opcode bytes at 0x7efe2526518e. Code starting with the faulting instruction =========================================== [ 10.384913][ T216] RSP: 002b:00007ffc4cadd748 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.384915][ T216] RAX: ffffffffffffffda RBX: 00007efe25395f88 RCX: 00007efe252651b8 [ 10.384917][ T216] RDX: 00007efe24faffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.384918][ T216] RBP: 00007ffc4cadd7a0 R08: 0000000000000000 R09: 0000000000008010 [ 10.384919][ T216] R10: 00007ffc4cadd560 R11: 0000000000000246 R12: 0000000000000001 [ 10.384919][ T216] R13: 0000000000000000 R14: 00007efe25394680 R15: 00007efe25395fa0 | [ 11.956761][ T264] softirqs last disabled at (19489): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.956764][ T264] Preemption disabled at: | [ 11.956764][ T264] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.956773][ T264] Tainted: [W]=WARN [ 11.956774][ T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.956776][ T264] Call Trace: [ 11.956777][ T264] [ 11.956779][ T264] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.956785][ T264] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.956787][ T264] __might_resched.cold (kernel/sched/core.c:9234) [ 11.956791][ T264] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.956796][ T264] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.956801][ T264] __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)) [ 11.956803][ T264] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.956809][ T264] ? 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) [ 11.956812][ T264] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.956816][ T264] put_chars (drivers/char/virtio_console.c:1176) [ 11.956818][ T264] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 11.956820][ T264] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.956823][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.956827][ T264] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.956831][ T264] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.956834][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.956835][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.956840][ T264] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.956841][ T264] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.956845][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.956848][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.956852][ T264] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.956856][ T264] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.956857][ T264] ? 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)) [ 11.956861][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.956863][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.956867][ T264] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.956871][ T264] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.956873][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.956879][ T264] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.956881][ T264] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.956883][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.956886][ T264] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.956889][ T264] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.956891][ T264] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.956895][ T264] vprintk_emit (kernel/printk/printk.c:2479) [ 11.956899][ T264] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.956904][ T264] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 11.956907][ T264] _printk (kernel/printk/printk.c:2504) [ 11.956912][ T264] ? snapshot_read.cold (user.c:?) [ 11.956918][ T264] ? 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) [ 11.956921][ T264] gre_init (gre.mod.c:?) gre [ 11.956923][ T264] do_one_initcall (init/main.c:1357) [ 11.956926][ T264] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.956931][ T264] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.956934][ T264] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.956939][ T264] do_init_module (kernel/module/main.c:3117) [ 11.956943][ T264] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.956947][ T264] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.956951][ T264] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.956955][ T264] load_module (kernel/module/main.c:3593) [ 11.956962][ T264] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.956968][ T264] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.956971][ T264] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.956975][ T264] init_module_from_file (kernel/module/main.c:3790) [ 11.956978][ T264] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.956987][ T264] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.956991][ T264] ? 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) [ 11.956994][ T264] idempotent_init_module (kernel/module/main.c:3802) [ 11.956997][ T264] ? init_module_from_file (kernel/module/main.c:3791) [ 11.957004][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.957006][ T264] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.957013][ T264] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.957015][ T264] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.957019][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.957021][ T264] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.957024][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.957026][ T264] RIP: 0033:0x7f491c1ff37d [ 11.957029][ T264] 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 [ 11.957031][ T264] RSP: 002b:00007ffe8b19a438 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.957033][ T264] RAX: ffffffffffffffda RBX: 000055fee3f6ed30 RCX: 00007f491c1ff37d [ 11.957035][ T264] RDX: 0000000000000000 RSI: 000055febb1e4ffd RDI: 0000000000000000 [ 11.957036][ T264] RBP: 00007ffe8b19a4d0 R08: 0000000000000000 R09: 0000000000000000 [ 11.957036][ T264] R10: 0000000000000000 R11: 0000000000000246 R12: 000055febb1e4ffd [ 11.957037][ T264] R13: 000055fee3f6ecf0 R14: 0000000000040000 R15: 0000000000000000 | [ 12.085629][ T12] #10: ffffffff8d889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) | [ 12.085633][ T12] | [ 12.085633][ T12] stack backtrace: | [ 12.085639][ T12] Tainted: [W]=WARN [ 12.085639][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.085641][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 12.085645][ T12] Call Trace: [ 12.085647][ T12] [ 12.085648][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.085655][ T12] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 12.085662][ T12] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 12.085667][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.085670][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.085675][ T12] __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)) [ 12.085678][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.085684][ T12] ? 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) [ 12.085687][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.085691][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 12.085693][ T12] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 12.085695][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.085699][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.085704][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.085712][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.085714][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.085719][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.085723][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.085727][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.085729][ T12] ? 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)) [ 12.085733][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.085736][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.085740][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.085745][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.085747][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.085753][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.085756][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.085758][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.085761][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.085765][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.085767][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.085771][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 12.085775][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.085778][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.085784][ T12] _printk (kernel/printk/printk.c:2504) [ 12.085788][ T12] ? snapshot_read.cold (user.c:?) [ 12.085790][ T12] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 12.085797][ T12] ? idr_get_free (??:?) [ 12.085803][ T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel [ 12.085807][ T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 12.085813][ T12] ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre [ 12.085816][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.085819][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.085822][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.085825][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.085827][ T12] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 12.085835][ T12] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 12.085839][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.085843][ T12] __dev_queue_xmit (net/core/dev.c:4926) [ 12.085847][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.085849][ T12] ? ipv6_update_options (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) net/ipv6/ipv6_sockglue.c:105 (discriminator 1)) [ 12.085854][ T12] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 12.085856][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.085860][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.085861][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.085864][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.085867][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.085870][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.085873][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.085875][ T12] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 12.085882][ T12] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 12.085887][ T12] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 12.085889][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.085892][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.085895][ T12] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 12.085900][ T12] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 12.085904][ T12] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 12.085908][ T12] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 12.085910][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.085912][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.085915][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.085917][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.085922][ T12] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 12.085927][ T12] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.085934][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.085940][ T12] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 12.085944][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.085947][ T12] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 12.085949][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.085951][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.085954][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.085958][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 12.085960][ T12] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 12.085962][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.085966][ T12] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 12.085968][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.085970][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.085972][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.085977][ T12] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 12.085982][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 12.085985][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.085987][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.085990][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.085992][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.085996][ T12] process_one_work (kernel/workqueue.c:3387) [ 12.086003][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.086006][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.086015][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.086023][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.086025][ T12] kthread (kernel/kthread.c:436) [ 12.086028][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.086031][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.086034][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.086038][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.086042][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.086046][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.086049][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 13.985770][ T325] softirqs last disabled at (22707): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.985772][ T325] Preemption disabled at: | [ 13.985773][ T325] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.985782][ T325] Tainted: [W]=WARN [ 13.985783][ T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.985785][ T325] Call Trace: [ 13.985787][ T325] [ 13.985788][ T325] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.985794][ T325] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.985796][ T325] __might_resched.cold (kernel/sched/core.c:9234) [ 13.985801][ T325] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.985805][ T325] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.985810][ T325] __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)) [ 13.985813][ T325] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.985818][ T325] ? 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) [ 13.985822][ T325] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.985826][ T325] put_chars (drivers/char/virtio_console.c:1176) [ 13.985829][ T325] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 13.985832][ T325] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.985837][ T325] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.985841][ T325] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.985847][ T325] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.985851][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.985853][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.985860][ T325] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.985861][ T325] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.985864][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.985868][ T325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.985872][ T325] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.985875][ T325] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.985877][ T325] ? 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)) [ 13.985880][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.985883][ T325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.985887][ T325] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.985891][ T325] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.985893][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.985898][ T325] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.985901][ T325] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.985903][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.985905][ T325] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.985909][ T325] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.985911][ T325] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.985914][ T325] vprintk_emit (kernel/printk/printk.c:2479) [ 13.985918][ T325] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.985924][ T325] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 13.985926][ T325] _printk (kernel/printk/printk.c:2504) [ 13.985930][ T325] ? snapshot_read.cold (user.c:?) [ 13.985936][ T325] ? 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) [ 13.985939][ T325] gact_init_module (net/sched/act_gact.c:180) act_gact [ 13.985942][ T325] do_one_initcall (init/main.c:1357) [ 13.985945][ T325] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.985950][ T325] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.985953][ T325] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.985958][ T325] do_init_module (kernel/module/main.c:3117) [ 13.985962][ T325] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.985966][ T325] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.985969][ T325] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.985974][ T325] load_module (kernel/module/main.c:3593) [ 13.985981][ T325] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.985985][ T325] ? __ia32_sys_fsconfig (??:?) [ 13.985987][ T325] ? ovl_real_file (fs/overlayfs/file.c:195) [ 13.985992][ T325] ? backing_file_read_iter (fs/backing-file.c:211) [ 13.985995][ T325] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.985999][ T325] init_module_from_file (kernel/module/main.c:3790) [ 13.986002][ T325] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.986010][ T325] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.986014][ T325] ? 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) [ 13.986017][ T325] idempotent_init_module (kernel/module/main.c:3802) [ 13.986020][ T325] ? init_module_from_file (kernel/module/main.c:3791) [ 13.986027][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.986029][ T325] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.986035][ T325] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.986037][ T325] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.986041][ T325] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.986043][ T325] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.986046][ T325] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.986048][ T325] RIP: 0033:0x7f68e644537d [ 13.986051][ T325] 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 [ 13.986053][ T325] RSP: 002b:00007ffea9eba228 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.986056][ T325] RAX: ffffffffffffffda RBX: 000055c0aedd9810 RCX: 00007f68e644537d [ 13.986057][ T325] RDX: 0000000000000000 RSI: 000055c09dc6affd RDI: 0000000000000000 [ 13.986058][ T325] RBP: 00007ffea9eba2c0 R08: 0000000000000000 R09: 0000000000000000 [ 13.986059][ T325] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c09dc6affd Finger prints: __might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print