====================================== | [ 9.130842][ T193] softirqs last disabled at (27508): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.130844][ T193] Preemption disabled at: | [ 9.130845][ T193] 0x0 | [ 9.130855][ T193] Tainted: [W]=WARN [ 9.130855][ T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.130857][ T193] Call Trace: [ 9.130859][ T193] [ 9.130861][ T193] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.130867][ T193] __might_resched.cold (kernel/sched/core.c:9234) [ 9.130872][ T193] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.130876][ T193] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.130881][ T193] __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)) [ 9.130883][ T193] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.130889][ T193] ? 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) [ 9.130891][ T193] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.130895][ T193] put_chars (drivers/char/virtio_console.c:1176) [ 9.130898][ T193] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.130900][ T193] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.130905][ T193] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.130910][ T193] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.130917][ T193] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.130920][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.130922][ T193] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.130926][ T193] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.130930][ T193] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.130931][ T193] ? 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)) [ 9.130934][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.130936][ T193] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.130940][ T193] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.130944][ T193] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.130946][ T193] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.130951][ T193] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.130954][ T193] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.130955][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.130957][ T193] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.130961][ T193] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.130962][ T193] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.130966][ T193] vprintk_emit (kernel/printk/printk.c:2479) [ 9.130969][ T193] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.130972][ T193] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.130976][ T193] _printk (kernel/printk/printk.c:2504) [ 9.130979][ T193] ? snapshot_read.cold (user.c:?) [ 9.130982][ T193] ? 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) [ 9.130984][ T193] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.130988][ T193] ? 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) [ 9.130991][ T193] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.130994][ T193] ? exit_notify (kernel/exit.c:780) [ 9.130996][ T193] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.130999][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.131002][ T193] do_group_exit (kernel/exit.c:1151) [ 9.131006][ T193] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.131008][ T193] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.131010][ T193] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.131013][ T193] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.131016][ T193] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.131018][ T193] RIP: 0033:0x7fb1b043b1b8 [ 9.131021][ T193] Code: Unable to access opcode bytes at 0x7fb1b043b18e. Code starting with the faulting instruction =========================================== [ 9.131022][ T193] RSP: 002b:00007ffda2e70378 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.131024][ T193] RAX: ffffffffffffffda RBX: 00007fb1b056bf88 RCX: 00007fb1b043b1b8 [ 9.131025][ T193] RDX: 00007fb1b0185fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.131026][ T193] RBP: 00007ffda2e703d0 R08: 0000000000000000 R09: 0000000000000050 [ 9.131027][ T193] R10: 00007ffda2e70190 R11: 0000000000000246 R12: 0000000000000001 [ 9.131028][ T193] R13: 0000000000000000 R14: 00007fb1b056a680 R15: 00007fb1b056bfa0 | [ 373.783276][ T7873] softirqs last disabled at (43995): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 373.783278][ T7873] Preemption disabled at: | [ 373.783279][ T7873] 0x0 | [ 373.783289][ T7873] Tainted: [W]=WARN [ 373.783290][ T7873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 373.783292][ T7873] Call Trace: [ 373.783294][ T7873] [ 373.783295][ T7873] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 373.783301][ T7873] __might_resched.cold (kernel/sched/core.c:9234) [ 373.783305][ T7873] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 373.783309][ T7873] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 373.783314][ T7873] __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)) [ 373.783316][ T7873] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 373.783322][ T7873] ? 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) [ 373.783325][ T7873] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 373.783329][ T7873] put_chars (drivers/char/virtio_console.c:1176) [ 373.783332][ T7873] ? __send_to_port (drivers/char/virtio_console.c:654) [ 373.783334][ T7873] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 373.783338][ T7873] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 373.783344][ T7873] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 373.783351][ T7873] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 373.783353][ T7873] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 373.783355][ T7873] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 373.783359][ T7873] console_emit_next_record (kernel/printk/printk.c:3183) [ 373.783363][ T7873] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 373.783365][ T7873] ? 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)) [ 373.783368][ T7873] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 373.783370][ T7873] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 373.783373][ T7873] console_flush_one_record (kernel/printk/printk.c:3268) [ 373.783377][ T7873] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 373.783379][ T7873] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 373.783384][ T7873] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 373.783387][ T7873] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 373.783388][ T7873] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 373.783390][ T7873] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 373.783394][ T7873] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 373.783395][ T7873] ? vprintk_emit (kernel/printk/printk.c:2478) [ 373.783398][ T7873] vprintk_emit (kernel/printk/printk.c:2479) [ 373.783402][ T7873] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 373.783405][ T7873] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 373.783409][ T7873] _printk (kernel/printk/printk.c:2504) [ 373.783412][ T7873] ? snapshot_read.cold (user.c:?) [ 373.783415][ T7873] ? 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) [ 373.783417][ T7873] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 373.783421][ T7873] ? 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) [ 373.783423][ T7873] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 373.783427][ T7873] ? exit_notify (kernel/exit.c:780) [ 373.783429][ T7873] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 373.783432][ T7873] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 373.783435][ T7873] do_group_exit (kernel/exit.c:1151) [ 373.783439][ T7873] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 373.783441][ T7873] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 373.783443][ T7873] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 373.783446][ T7873] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 373.783449][ T7873] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 373.783452][ T7873] RIP: 0033:0x7fb0ef6791b8 [ 373.783454][ T7873] Code: Unable to access opcode bytes at 0x7fb0ef67918e. Code starting with the faulting instruction =========================================== [ 373.783455][ T7873] RSP: 002b:00007ffc2e0b6ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 373.783457][ T7873] RAX: ffffffffffffffda RBX: 00007fb0ef7a9f88 RCX: 00007fb0ef6791b8 [ 373.783459][ T7873] RDX: 00007fb0ef3c3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 373.783460][ T7873] RBP: 00007ffc2e0b6f40 R08: 0000000000000000 R09: 0000000000000000 [ 373.783460][ T7873] R10: 00007ffc2e0b6d00 R11: 0000000000000246 R12: 0000000000000001 [ 373.783461][ T7873] R13: 0000000000000000 R14: 00007fb0ef7a8680 R15: 00007fb0ef7a9fa0 | [ 520.302715][T10246] softirqs last disabled at (35052): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 520.302717][T10246] Preemption disabled at: | [ 520.302718][T10246] 0x0 | [ 520.302728][T10246] Tainted: [W]=WARN [ 520.302729][T10246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 520.302731][T10246] Call Trace: [ 520.302732][T10246] [ 520.302733][T10246] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 520.302740][T10246] __might_resched.cold (kernel/sched/core.c:9234) [ 520.302744][T10246] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 520.302748][T10246] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 520.302753][T10246] __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)) [ 520.302755][T10246] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 520.302761][T10246] ? 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) [ 520.302764][T10246] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 520.302770][T10246] put_chars (drivers/char/virtio_console.c:1176) [ 520.302773][T10246] ? __send_to_port (drivers/char/virtio_console.c:654) [ 520.302775][T10246] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 520.302779][T10246] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 520.302784][T10246] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 520.302792][T10246] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 520.302794][T10246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.302796][T10246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.302800][T10246] console_emit_next_record (kernel/printk/printk.c:3183) [ 520.302804][T10246] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 520.302805][T10246] ? 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)) [ 520.302808][T10246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.302811][T10246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.302814][T10246] console_flush_one_record (kernel/printk/printk.c:3268) [ 520.302818][T10246] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 520.302820][T10246] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 520.302825][T10246] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 520.302827][T10246] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 520.302829][T10246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.302831][T10246] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 520.302835][T10246] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 520.302836][T10246] ? vprintk_emit (kernel/printk/printk.c:2478) [ 520.302839][T10246] vprintk_emit (kernel/printk/printk.c:2479) [ 520.302843][T10246] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 520.302846][T10246] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 520.302849][T10246] _printk (kernel/printk/printk.c:2504) [ 520.302853][T10246] ? snapshot_read.cold (user.c:?) [ 520.302856][T10246] ? 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) [ 520.302858][T10246] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 520.302862][T10246] ? 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) [ 520.302864][T10246] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 520.302868][T10246] ? exit_notify (kernel/exit.c:780) [ 520.302870][T10246] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 520.302872][T10246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.302876][T10246] do_group_exit (kernel/exit.c:1151) [ 520.302879][T10246] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 520.302882][T10246] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 520.302884][T10246] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 520.302887][T10246] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 520.302890][T10246] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 520.302892][T10246] RIP: 0033:0x7fc95d9ed1b8 [ 520.302895][T10246] Code: Unable to access opcode bytes at 0x7fc95d9ed18e. Code starting with the faulting instruction =========================================== [ 520.302896][T10246] RSP: 002b:00007ffd2b10feb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 520.302898][T10246] RAX: ffffffffffffffda RBX: 00007fc95db1df88 RCX: 00007fc95d9ed1b8 [ 520.302900][T10246] RDX: 00007fc95d737fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 520.302901][T10246] RBP: 00007ffd2b10ff10 R08: 0000000000000000 R09: 0000000000000000 [ 520.302902][T10246] R10: 00007ffd2b10fcd0 R11: 0000000000000246 R12: 0000000000000001 [ 520.302902][T10246] R13: 0000000000000000 R14: 00007fc95db1c680 R15: 00007fc95db1dfa0 | [ 1078.782224][T27758] softirqs last disabled at (36499): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 1078.782227][T27758] Preemption disabled at: | [ 1078.782227][T27758] 0x0 | [ 1078.782238][T27758] Tainted: [W]=WARN [ 1078.782239][T27758] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1078.782241][T27758] Call Trace: [ 1078.782243][T27758] [ 1078.782244][T27758] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 1078.782251][T27758] __might_resched.cold (kernel/sched/core.c:9234) [ 1078.782256][T27758] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 1078.782260][T27758] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 1078.782265][T27758] __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)) [ 1078.782267][T27758] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 1078.782273][T27758] ? 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) [ 1078.782276][T27758] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 1078.782280][T27758] put_chars (drivers/char/virtio_console.c:1176) [ 1078.782283][T27758] ? __send_to_port (drivers/char/virtio_console.c:654) [ 1078.782285][T27758] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 1078.782289][T27758] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 1078.782295][T27758] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 1078.782302][T27758] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 1078.782305][T27758] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1078.782307][T27758] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 1078.782311][T27758] console_emit_next_record (kernel/printk/printk.c:3183) [ 1078.782315][T27758] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 1078.782317][T27758] ? 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)) [ 1078.782319][T27758] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1078.782322][T27758] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 1078.782325][T27758] console_flush_one_record (kernel/printk/printk.c:3268) [ 1078.782329][T27758] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 1078.782331][T27758] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 1078.782336][T27758] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 1078.782339][T27758] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 1078.782340][T27758] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1078.782342][T27758] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 1078.782346][T27758] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 1078.782347][T27758] ? vprintk_emit (kernel/printk/printk.c:2478) [ 1078.782351][T27758] vprintk_emit (kernel/printk/printk.c:2479) [ 1078.782354][T27758] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 1078.782358][T27758] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 1078.782361][T27758] _printk (kernel/printk/printk.c:2504) [ 1078.782365][T27758] ? snapshot_read.cold (user.c:?) [ 1078.782368][T27758] ? 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) [ 1078.782370][T27758] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 1078.782374][T27758] ? 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) [ 1078.782376][T27758] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 1078.782380][T27758] ? exit_notify (kernel/exit.c:780) [ 1078.782382][T27758] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 1078.782384][T27758] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1078.782388][T27758] do_group_exit (kernel/exit.c:1151) [ 1078.782391][T27758] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 1078.782394][T27758] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 1078.782396][T27758] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 1078.782399][T27758] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 1078.782403][T27758] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 1078.782405][T27758] RIP: 0033:0x7fd1d88a71b8 [ 1078.782407][T27758] Code: Unable to access opcode bytes at 0x7fd1d88a718e. Code starting with the faulting instruction =========================================== [ 1078.782408][T27758] RSP: 002b:00007ffe6404a368 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 1078.782411][T27758] RAX: ffffffffffffffda RBX: 00007fd1d89d7f88 RCX: 00007fd1d88a71b8 [ 1078.782412][T27758] RDX: 00007fd1d87e4a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 1078.782413][T27758] RBP: 00007ffe6404a3c0 R08: 0000000000000000 R09: 0000000000000000 [ 1078.782414][T27758] R10: 00007ffe6404a200 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print