====================================== | [ 13.030889][ T209] softirqs last disabled at (21077): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.030892][ T209] Preemption disabled at: | [ 13.030893][ T209] 0x0 | [ 13.030903][ T209] Tainted: [W]=WARN [ 13.030903][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.030905][ T209] Call Trace: [ 13.030907][ T209] [ 13.030908][ T209] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.030915][ T209] __might_resched.cold (kernel/sched/core.c:9234) [ 13.030919][ T209] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.030923][ T209] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.030928][ T209] __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)) [ 13.030929][ T209] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.030936][ T209] ? 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) [ 13.030939][ T209] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.030943][ T209] put_chars (drivers/char/virtio_console.c:1176) [ 13.030945][ T209] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.030947][ T209] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.030950][ T209] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.030956][ T209] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.030963][ T209] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.030966][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.030968][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.030972][ T209] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.030976][ T209] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.030978][ T209] ? 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)) [ 13.030981][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.030983][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.030986][ T209] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.030991][ T209] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.030992][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.030998][ T209] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.031000][ T209] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.031002][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.031004][ T209] ? 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) [ 13.031008][ T209] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.031010][ T209] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.031012][ T209] vprintk_emit (kernel/printk/printk.c:2479) [ 13.031016][ T209] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.031018][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.031022][ T209] _printk (kernel/printk/printk.c:2504) [ 13.031026][ T209] ? snapshot_read.cold (user.c:?) [ 13.031028][ T209] ? 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) [ 13.031031][ T209] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.031035][ T209] ? 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) [ 13.031037][ T209] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.031041][ T209] ? exit_notify (kernel/exit.c:780) [ 13.031042][ T209] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.031045][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.031048][ T209] do_group_exit (kernel/exit.c:1151) [ 13.031051][ T209] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.031053][ T209] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.031056][ T209] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.031059][ T209] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.031062][ T209] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.031064][ T209] RIP: 0033:0x7fd1fbfe61b8 [ 13.031066][ T209] Code: Unable to access opcode bytes at 0x7fd1fbfe618e. Code starting with the faulting instruction =========================================== [ 13.031067][ T209] RSP: 002b:00007ffd9e112e88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.031070][ T209] RAX: ffffffffffffffda RBX: 00007fd1fc116f88 RCX: 00007fd1fbfe61b8 [ 13.031071][ T209] RDX: 00007fd1fbd30fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 13.031072][ T209] RBP: 00007ffd9e112ee0 R08: 0000000000000000 R09: 0000000000000050 [ 13.031073][ T209] R10: 00007ffd9e112ca0 R11: 0000000000000246 R12: 0000000000000001 [ 13.031074][ T209] R13: 0000000000000000 R14: 00007fd1fc115680 R15: 00007fd1fc116fa0 | [ 14.094597][ T243] softirqs last disabled at (25461): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.094599][ T243] Preemption disabled at: | [ 14.094600][ T243] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.094609][ T243] Tainted: [W]=WARN [ 14.094610][ T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.094611][ T243] Call Trace: [ 14.094613][ T243] [ 14.094614][ T243] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.094620][ T243] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.094622][ T243] __might_resched.cold (kernel/sched/core.c:9234) [ 14.094626][ T243] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.094631][ T243] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.094635][ T243] __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)) [ 14.094637][ T243] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.094644][ T243] ? 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) [ 14.094647][ T243] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.094651][ T243] put_chars (drivers/char/virtio_console.c:1176) [ 14.094652][ T243] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 14.094655][ T243] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.094657][ T243] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.094661][ T243] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.094666][ T243] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.094669][ T243] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.094671][ T243] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.094676][ T243] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.094678][ T243] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.094681][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.094683][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.094687][ T243] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.094691][ T243] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.094693][ T243] ? 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)) [ 14.094696][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.094698][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.094702][ T243] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.094706][ T243] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.094708][ T243] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.094713][ T243] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.094716][ T243] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.094718][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.094720][ T243] ? 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) [ 14.094723][ T243] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.094725][ T243] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.094729][ T243] vprintk_emit (kernel/printk/printk.c:2479) [ 14.094733][ T243] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.094738][ T243] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 14.094741][ T243] _printk (kernel/printk/printk.c:2504) [ 14.094744][ T243] ? snapshot_read.cold (user.c:?) [ 14.094750][ T243] ? 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) [ 14.094754][ T243] gact_init_module (net/sched/act_gact.c:180) act_gact [ 14.094756][ T243] do_one_initcall (init/main.c:1357) [ 14.094759][ T243] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 14.094763][ T243] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 14.094766][ T243] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 14.094771][ T243] do_init_module (kernel/module/main.c:3117) [ 14.094774][ T243] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.094778][ T243] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 14.094781][ T243] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 14.094784][ T243] load_module (kernel/module/main.c:3593) [ 14.094789][ T243] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 14.094794][ T243] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 14.094797][ T243] ? __ia32_sys_fsconfig (??:?) [ 14.094801][ T243] ? backing_file_read_iter (fs/backing-file.c:211) [ 14.094805][ T243] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.094808][ T243] init_module_from_file (kernel/module/main.c:3790) [ 14.094811][ T243] ? __do_sys_init_module (kernel/module/main.c:3664) [ 14.094818][ T243] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.094822][ T243] ? 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) [ 14.094825][ T243] idempotent_init_module (kernel/module/main.c:3802) [ 14.094827][ T243] ? init_module_from_file (kernel/module/main.c:3791) [ 14.094833][ T243] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.094835][ T243] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 14.094840][ T243] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 14.094842][ T243] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.094846][ T243] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.094849][ T243] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.094851][ T243] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.094854][ T243] RIP: 0033:0x7fe01700b37d [ 14.094857][ T243] 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 [ 14.094859][ T243] RSP: 002b:00007fff09dfc528 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.094861][ T243] RAX: ffffffffffffffda RBX: 000055cb56d62810 RCX: 00007fe01700b37d [ 14.094863][ T243] RDX: 0000000000000000 RSI: 000055cb4f265ffd RDI: 0000000000000000 [ 14.094864][ T243] RBP: 00007fff09dfc5c0 R08: 0000000000000000 R09: 0000000000000000 [ 14.094864][ T243] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cb4f265ffd [ 14.094865][ T243] R13: 000055cb56d62960 R14: 0000000000040000 R15: 0000000000000000 | [ 25.613033][ T284] softirqs last disabled at (17284): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 25.613035][ T284] Preemption disabled at: | [ 25.613036][ T284] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.613044][ T284] Tainted: [W]=WARN [ 25.613045][ T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.613047][ T284] Call Trace: [ 25.613048][ T284] [ 25.613050][ T284] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.613056][ T284] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.613058][ T284] __might_resched.cold (kernel/sched/core.c:9234) [ 25.613063][ T284] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.613067][ T284] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.613072][ T284] __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)) [ 25.613074][ T284] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.613081][ T284] ? 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) [ 25.613083][ T284] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.613087][ T284] put_chars (drivers/char/virtio_console.c:1176) [ 25.613090][ T284] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.613092][ T284] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.613095][ T284] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.613098][ T284] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.613103][ T284] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.613107][ T284] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.613109][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.613110][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.613115][ T284] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.613116][ T284] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.613121][ T284] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.613125][ T284] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.613129][ T284] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.613131][ T284] ? 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)) [ 25.613134][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.613136][ T284] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.613140][ T284] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.613144][ T284] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.613146][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.613152][ T284] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.613154][ T284] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.613156][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.613158][ T284] ? 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) [ 25.613162][ T284] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.613164][ T284] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.613166][ T284] vprintk_emit (kernel/printk/printk.c:2479) [ 25.613169][ T284] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.613172][ T284] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.613176][ T284] _printk (kernel/printk/printk.c:2504) [ 25.613180][ T284] ? snapshot_read.cold (user.c:?) [ 25.613183][ T284] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.613185][ T284] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.613189][ T284] ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84) [ 25.613193][ T284] vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1)) [ 25.613197][ T284] ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261) [ 25.613202][ T284] ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110) [ 25.613206][ T284] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 25.613212][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.613213][ T284] notifier_call_chain (kernel/notifier.c:85) [ 25.613218][ T284] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853) [ 25.613228][ T284] ? netif_change_name (net/core/dev.c:1517) [ 25.613232][ T284] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 25.613235][ T284] ? write_profile (profile.c:?) [ 25.613240][ T284] netif_change_flags (net/core/dev.c:9882) [ 25.613244][ T284] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 25.613248][ T284] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 25.613250][ T284] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 25.613251][ T284] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 25.613253][ T284] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 25.613257][ T284] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.613258][ T284] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.613260][ T284] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.613263][ T284] ? kasan_save_stack (mm/kasan/common.c:58) [ 25.613265][ T284] ? kasan_save_stack (mm/kasan/common.c:57) [ 25.613266][ T284] ? kasan_save_track (mm/kasan/common.c:78) [ 25.613267][ T284] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 25.613270][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.613272][ T284] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 25.613275][ T284] ? ___sys_sendmsg (net/socket.c:2758) [ 25.613278][ T284] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.613280][ T284] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.613283][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.613285][ T284] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.613286][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.613287][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.613289][ T284] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 25.613291][ T284] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 25.613294][ T284] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 25.613296][ T284] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.613299][ T284] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 25.613303][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.613305][ T284] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 25.613310][ T284] rtnl_newlink (net/core/rtnetlink.c:4215) [ 25.613315][ T284] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.613317][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.613322][ T284] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.613324][ T284] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.613325][ T284] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.613327][ T284] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.613331][ T284] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.613333][ T284] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.613336][ T284] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.613337][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.613342][ T284] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.613344][ T284] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.613347][ T284] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.613349][ T284] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.613352][ T284] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.613358][ T284] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 25.613360][ T284] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 25.613365][ T284] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.613369][ T284] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.613371][ T284] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.613376][ T284] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.613379][ T284] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.613383][ T284] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.613385][ T284] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 25.613391][ T284] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 25.613393][ T284] ____sys_sendmsg (net/socket.c:2713) [ 25.613396][ T284] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.613398][ T284] ? sock_write_iter (net/socket.c:1269) [ 25.613399][ T284] ? move_addr_to_kernel (net/socket.c:258) [ 25.613407][ T284] ___sys_sendmsg (net/socket.c:2767) [ 25.613410][ T284] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.613425][ T284] __sys_sendmsg (net/socket.c:2799) [ 25.613428][ T284] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.613435][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.613438][ T284] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.613440][ T284] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.613443][ T284] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.613446][ T284] RIP: 0033:0x7f33160ef54e [ 25.613449][ T284] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 25.613451][ T284] RSP: 002b:00007ffd853f4700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.613454][ T284] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f33160ef54e [ 25.613456][ T284] RDX: 0000000000000000 RSI: 00007ffd853f47b0 RDI: 0000000000000005 [ 25.613456][ T284] RBP: 00007ffd853f4710 R08: 0000000000000000 R09: 0000000000000000 [ 25.613457][ T284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91097a 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 inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars