====================================== | [ 10.997388][ T178] softirqs last disabled at (28593): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.997391][ T178] Preemption disabled at: | [ 10.997392][ T178] 0x0 | [ 10.997405][ T178] Tainted: [W]=WARN [ 10.997406][ T178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.997408][ T178] Call Trace: [ 10.997410][ T178] [ 10.997413][ T178] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.997421][ T178] __might_resched.cold (kernel/sched/core.c:9234) [ 10.997427][ T178] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.997433][ T178] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.997440][ T178] __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)) [ 10.997443][ T178] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.997458][ T178] ? 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) [ 10.997462][ T178] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.997468][ T178] put_chars (drivers/char/virtio_console.c:1176) [ 10.997472][ T178] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.997475][ T178] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.997482][ T178] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.997492][ T178] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.997504][ T178] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.997508][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.997512][ T178] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.997519][ T178] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.997525][ T178] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.997527][ T178] ? 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)) [ 10.997533][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.997536][ T178] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.997543][ T178] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.997550][ T178] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.997553][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.997563][ T178] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.997567][ T178] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.997569][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.997573][ T178] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.997579][ T178] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.997582][ T178] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.997588][ T178] vprintk_emit (kernel/printk/printk.c:2479) [ 10.997594][ T178] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.997599][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.997606][ T178] _printk (kernel/printk/printk.c:2504) [ 10.997611][ T178] ? snapshot_read.cold (user.c:?) [ 10.997616][ T178] ? 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) [ 10.997620][ T178] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.997626][ T178] ? 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) [ 10.997631][ T178] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.997636][ T178] ? exit_notify (kernel/exit.c:780) [ 10.997639][ T178] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.997644][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.997651][ T178] do_group_exit (kernel/exit.c:1151) [ 10.997657][ T178] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.997661][ T178] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.997663][ T178] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.997668][ T178] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.997673][ T178] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.997677][ T178] RIP: 0033:0x7f86b1d6e1b8 [ 10.997680][ T178] Code: Unable to access opcode bytes at 0x7f86b1d6e18e. Code starting with the faulting instruction =========================================== [ 10.997682][ T178] RSP: 002b:00007ffd703f31f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.997685][ T178] RAX: ffffffffffffffda RBX: 00007f86b1e9ef88 RCX: 00007f86b1d6e1b8 [ 10.997687][ T178] RDX: 00007f86b1ab8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.997689][ T178] RBP: 00007ffd703f3250 R08: 0000000000000000 R09: 0000000000000050 [ 10.997690][ T178] R10: 00007ffd703f3010 R11: 0000000000000246 R12: 0000000000000001 [ 10.997692][ T178] R13: 0000000000000000 R14: 00007f86b1e9d680 R15: 00007f86b1e9efa0 | [ 21.405612][ T415] softirqs last disabled at (27380): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 21.405616][ T415] Preemption disabled at: | [ 21.405617][ T415] 0x0 | [ 21.405630][ T415] Tainted: [W]=WARN [ 21.405631][ T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.405633][ T415] Call Trace: [ 21.405635][ T415] [ 21.405638][ T415] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.405646][ T415] __might_resched.cold (kernel/sched/core.c:9234) [ 21.405652][ T415] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.405657][ T415] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.405664][ T415] __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)) [ 21.405668][ T415] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.405677][ T415] ? 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) [ 21.405680][ T415] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.405686][ T415] put_chars (drivers/char/virtio_console.c:1176) [ 21.405690][ T415] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.405693][ T415] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.405699][ T415] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.405708][ T415] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.405719][ T415] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.405723][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.405727][ T415] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.405734][ T415] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.405740][ T415] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.405742][ T415] ? 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)) [ 21.405747][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.405751][ T415] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.405757][ T415] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.405764][ T415] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.405767][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.405776][ T415] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.405780][ T415] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.405782][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.405786][ T415] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.405792][ T415] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.405794][ T415] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.405799][ T415] vprintk_emit (kernel/printk/printk.c:2479) [ 21.405805][ T415] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.405811][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.405817][ T415] _printk (kernel/printk/printk.c:2504) [ 21.405822][ T415] ? snapshot_read.cold (user.c:?) [ 21.405827][ T415] ? 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) [ 21.405831][ T415] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.405837][ T415] ? 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) [ 21.405841][ T415] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 21.405846][ T415] ? exit_notify (kernel/exit.c:780) [ 21.405850][ T415] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.405856][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.405863][ T415] do_group_exit (kernel/exit.c:1151) [ 21.405869][ T415] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 21.405872][ T415] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 21.405875][ T415] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.405880][ T415] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.405885][ T415] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.405888][ T415] RIP: 0033:0x7f059aa711b8 [ 21.405891][ T415] Code: Unable to access opcode bytes at 0x7f059aa7118e. Code starting with the faulting instruction =========================================== [ 21.405893][ T415] RSP: 002b:00007ffe1b8d7718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 21.405897][ T415] RAX: ffffffffffffffda RBX: 00007f059aba1f88 RCX: 00007f059aa711b8 [ 21.405898][ T415] RDX: 00007f059a9aea48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 21.405900][ T415] RBP: 00007ffe1b8d7770 R08: 0000000000000000 R09: 0000000000000000 [ 21.405902][ T415] R10: 00007ffe1b8d75b0 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