====================================== | [ 8.584686][ T127] softirqs last disabled at (64907): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.584688][ T127] Preemption disabled at: | [ 8.584689][ T127] 0x0 | [ 8.584699][ T127] Tainted: [W]=WARN [ 8.584700][ T127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.584702][ T127] Call Trace: [ 8.584703][ T127] [ 8.584705][ T127] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.584710][ T127] __might_resched.cold (kernel/sched/core.c:9234) [ 8.584715][ T127] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.584718][ T127] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.584723][ T127] __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)) [ 8.584726][ T127] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.584732][ T127] ? 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) [ 8.584735][ T127] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.584738][ T127] put_chars (drivers/char/virtio_console.c:1176) [ 8.584741][ T127] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.584747][ T127] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.584754][ T127] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.584757][ T127] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.584761][ T127] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.584765][ T127] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.584766][ T127] ? 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)) [ 8.584769][ T127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.584772][ T127] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.584776][ T127] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.584780][ T127] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.584781][ T127] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.584787][ T127] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.584789][ T127] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.584790][ T127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.584792][ T127] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.584796][ T127] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.584798][ T127] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.584800][ T127] vprintk_emit (kernel/printk/printk.c:2479) [ 8.584803][ T127] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.584806][ T127] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.584810][ T127] _printk (kernel/printk/printk.c:2504) [ 8.584814][ T127] ? snapshot_read.cold (user.c:?) [ 8.584816][ T127] ? 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) [ 8.584819][ T127] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.584823][ T127] ? 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) [ 8.584826][ T127] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.584830][ T127] ? exit_notify (kernel/exit.c:780) [ 8.584831][ T127] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.584834][ T127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.584838][ T127] do_group_exit (kernel/exit.c:1151) [ 8.584841][ T127] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.584843][ T127] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.584846][ T127] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.584849][ T127] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.584852][ T127] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.584854][ T127] RIP: 0033:0x7fe8bffad1b8 [ 8.584856][ T127] Code: Unable to access opcode bytes at 0x7fe8bffad18e. Code starting with the faulting instruction =========================================== [ 8.584858][ T127] RSP: 002b:00007fffc9522818 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.584860][ T127] RAX: ffffffffffffffda RBX: 00007fe8c00ddf88 RCX: 00007fe8bffad1b8 [ 8.584861][ T127] RDX: 00007fe8befe8b08 RSI: ffffffffffffff98 RDI: 0000000000000000 [ 8.584862][ T127] RBP: 00007fffc9522870 R08: 0000000000000000 R09: 00000000000000a0 [ 8.584863][ T127] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 8.584863][ T127] R13: 0000000000000000 R14: 00007fe8c00dc680 R15: 00007fe8c00ddfa0 | [ 9.641732][ T182] softirqs last disabled at (33430): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.641734][ T182] Preemption disabled at: | [ 9.641735][ T182] 0x0 | [ 9.641745][ T182] Tainted: [W]=WARN [ 9.641746][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.641747][ T182] Call Trace: [ 9.641749][ T182] [ 9.641750][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.641756][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 9.641760][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.641763][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.641768][ T182] __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)) [ 9.641771][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.641777][ T182] ? 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) [ 9.641780][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.641783][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 9.641786][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.641793][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.641800][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.641803][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.641807][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.641811][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.641812][ T182] ? 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)) [ 9.641815][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.641818][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.641822][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.641826][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.641827][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.641832][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.641835][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.641836][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.641838][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.641842][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.641844][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.641846][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 9.641850][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.641853][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.641856][ T182] _printk (kernel/printk/printk.c:2504) [ 9.641860][ T182] ? snapshot_read.cold (user.c:?) [ 9.641863][ T182] ? 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) [ 9.641865][ T182] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.641869][ T182] ? 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) [ 9.641872][ T182] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.641876][ T182] ? exit_notify (kernel/exit.c:780) [ 9.641878][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.641881][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.641884][ T182] do_group_exit (kernel/exit.c:1151) [ 9.641887][ T182] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.641889][ T182] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.641892][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.641895][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.641898][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.641900][ T182] RIP: 0033:0x7f76d72f21b8 [ 9.641903][ T182] Code: Unable to access opcode bytes at 0x7f76d72f218e. Code starting with the faulting instruction =========================================== [ 9.641904][ T182] RSP: 002b:00007ffd9d5a8b28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.641906][ T182] RAX: ffffffffffffffda RBX: 00007f76d7422f88 RCX: 00007f76d72f21b8 [ 9.641907][ T182] RDX: 00007f76d703cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.641908][ T182] RBP: 00007ffd9d5a8b80 R08: 0000000000000000 R09: 0000000000000050 [ 9.641909][ T182] R10: 00007ffd9d5a8940 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print