====================================== | [ 14.542556][ T322] softirqs last disabled at (49327): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.542559][ T322] Preemption disabled at: | [ 14.542559][ T322] 0x0 | [ 14.542570][ T322] Tainted: [W]=WARN [ 14.542571][ T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.542573][ T322] Call Trace: [ 14.542575][ T322] [ 14.542576][ T322] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.542582][ T322] __might_resched.cold (kernel/sched/core.c:9234) [ 14.542587][ T322] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.542591][ T322] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.542595][ T322] __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)) [ 14.542597][ T322] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.542604][ T322] ? 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) [ 14.542607][ T322] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.542610][ T322] put_chars (drivers/char/virtio_console.c:1176) [ 14.542613][ T322] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.542614][ T322] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.542617][ T322] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.542623][ T322] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.542630][ T322] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.542633][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.542635][ T322] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.542639][ T322] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.542643][ T322] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.542645][ T322] ? 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)) [ 14.542648][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.542650][ T322] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.542654][ T322] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.542658][ T322] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.542660][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.542665][ T322] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.542668][ T322] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.542670][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.542671][ T322] ? 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) [ 14.542675][ T322] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.542677][ T322] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.542679][ T322] vprintk_emit (kernel/printk/printk.c:2479) [ 14.542682][ T322] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.542684][ T322] ? 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) [ 14.542687][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.542690][ T322] _printk (kernel/printk/printk.c:2504) [ 14.542694][ T322] ? snapshot_read.cold (user.c:?) [ 14.542697][ T322] ? 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) [ 14.542699][ T322] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.542703][ T322] ? 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) [ 14.542706][ T322] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.542710][ T322] ? exit_notify (kernel/exit.c:780) [ 14.542711][ T322] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.542714][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.542717][ T322] do_group_exit (kernel/exit.c:1151) [ 14.542720][ T322] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.542722][ T322] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.542725][ T322] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.542728][ T322] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.542731][ T322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.542734][ T322] RIP: 0033:0x7f2500a8f1b8 [ 14.542736][ T322] Code: Unable to access opcode bytes at 0x7f2500a8f18e. Code starting with the faulting instruction =========================================== [ 14.542737][ T322] RSP: 002b:00007ffd114af698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.542739][ T322] RAX: ffffffffffffffda RBX: 00007f2500bbff88 RCX: 00007f2500a8f1b8 [ 14.542741][ T322] RDX: 00007f25009cca48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 14.542742][ T322] RBP: 00007ffd114af6f0 R08: 0000000000000000 R09: 0000000000000000 [ 14.542742][ T322] R10: 00007ffd114af530 R11: 0000000000000246 R12: 0000000000000001 [ 14.542743][ T322] R13: 0000000000000000 R14: 00007f2500bbe680 R15: 00007f2500bbffa0 | [ 63.253240][ T1302] softirqs last disabled at (43506): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 63.253244][ T1302] Preemption disabled at: | [ 63.253245][ T1302] 0x0 | [ 63.253255][ T1302] Tainted: [W]=WARN [ 63.253256][ T1302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.253258][ T1302] Call Trace: [ 63.253259][ T1302] [ 63.253261][ T1302] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 63.253268][ T1302] __might_resched.cold (kernel/sched/core.c:9234) [ 63.253272][ T1302] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 63.253276][ T1302] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 63.253281][ T1302] __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)) [ 63.253282][ T1302] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.253289][ T1302] ? 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) [ 63.253292][ T1302] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.253296][ T1302] put_chars (drivers/char/virtio_console.c:1176) [ 63.253298][ T1302] ? __send_to_port (drivers/char/virtio_console.c:654) [ 63.253299][ T1302] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 63.253303][ T1302] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 63.253309][ T1302] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 63.253316][ T1302] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 63.253319][ T1302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.253321][ T1302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.253325][ T1302] console_emit_next_record (kernel/printk/printk.c:3183) [ 63.253329][ T1302] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 63.253331][ T1302] ? 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)) [ 63.253334][ T1302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.253336][ T1302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.253340][ T1302] console_flush_one_record (kernel/printk/printk.c:3268) [ 63.253344][ T1302] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 63.253346][ T1302] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 63.253352][ T1302] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 63.253355][ T1302] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 63.253357][ T1302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.253358][ T1302] ? 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) [ 63.253362][ T1302] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 63.253364][ T1302] ? vprintk_emit (kernel/printk/printk.c:2478) [ 63.253367][ T1302] vprintk_emit (kernel/printk/printk.c:2479) [ 63.253370][ T1302] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 63.253371][ T1302] ? 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) [ 63.253374][ T1302] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 63.253378][ T1302] _printk (kernel/printk/printk.c:2504) [ 63.253382][ T1302] ? snapshot_read.cold (user.c:?) [ 63.253384][ T1302] ? 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) [ 63.253387][ T1302] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.253391][ T1302] ? 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) [ 63.253394][ T1302] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 63.253398][ T1302] ? exit_notify (kernel/exit.c:780) [ 63.253399][ T1302] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 63.253402][ T1302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.253405][ T1302] do_group_exit (kernel/exit.c:1151) [ 63.253408][ T1302] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 63.253410][ T1302] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 63.253413][ T1302] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 63.253417][ T1302] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 63.253420][ T1302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 63.253422][ T1302] RIP: 0033:0x7f6d231d11b8 [ 63.253424][ T1302] Code: Unable to access opcode bytes at 0x7f6d231d118e. Code starting with the faulting instruction =========================================== [ 63.253425][ T1302] RSP: 002b:00007ffdf8fad358 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 63.253428][ T1302] RAX: ffffffffffffffda RBX: 00007f6d23301f88 RCX: 00007f6d231d11b8 [ 63.253429][ T1302] RDX: 00007f6d2310ea48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 63.253430][ T1302] RBP: 00007ffdf8fad3b0 R08: 0000000000000000 R09: 0000000000000000 [ 63.253431][ T1302] R10: 00007ffdf8fad1f0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print