====================================== | [ 17.321163][ T476] softirqs last disabled at (45112): sk_common_release (./include/net/sock.h:2138 net/core/sock.c:4066) | [ 17.321165][ T476] Preemption disabled at: | [ 17.321165][ T476] 0x0 | [ 17.321176][ T476] Tainted: [W]=WARN [ 17.321177][ T476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.321178][ T476] Call Trace: [ 17.321180][ T476] [ 17.321181][ T476] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.321188][ T476] __might_resched.cold (kernel/sched/core.c:9234) [ 17.321192][ T476] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.321196][ T476] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.321201][ T476] __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)) [ 17.321202][ T476] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.321209][ T476] ? 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) [ 17.321212][ T476] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.321215][ T476] put_chars (drivers/char/virtio_console.c:1176) [ 17.321218][ T476] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.321219][ T476] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.321223][ T476] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.321228][ T476] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.321236][ T476] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.321238][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.321240][ T476] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.321244][ T476] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.321248][ T476] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.321250][ T476] ? 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)) [ 17.321253][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.321255][ T476] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.321259][ T476] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.321263][ T476] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.321265][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.321270][ T476] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.321273][ T476] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.321274][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.321276][ T476] ? 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) [ 17.321280][ T476] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.321281][ T476] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.321284][ T476] vprintk_emit (kernel/printk/printk.c:2479) [ 17.321287][ T476] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.321290][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.321294][ T476] _printk (kernel/printk/printk.c:2504) [ 17.321297][ T476] ? snapshot_read.cold (user.c:?) [ 17.321300][ T476] ? 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) [ 17.321302][ T476] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.321306][ T476] ? 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) [ 17.321309][ T476] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 17.321313][ T476] ? exit_notify (kernel/exit.c:780) [ 17.321314][ T476] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.321317][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.321320][ T476] do_group_exit (kernel/exit.c:1151) [ 17.321323][ T476] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 17.321325][ T476] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 17.321327][ T476] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.321331][ T476] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.321334][ T476] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.321336][ T476] RIP: 0033:0x7ff90a3971b8 [ 17.321338][ T476] Code: Unable to access opcode bytes at 0x7ff90a39718e. Code starting with the faulting instruction =========================================== [ 17.321339][ T476] RSP: 002b:00007ffce922fe88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 17.321342][ T476] RAX: ffffffffffffffda RBX: 00007ff90a4c7f88 RCX: 00007ff90a3971b8 [ 17.321343][ T476] RDX: 00007ff90a2d4a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 17.321344][ T476] RBP: 00007ffce922fee0 R08: 0000000000000000 R09: 0000000000000020 [ 17.321345][ T476] R10: 00007ffce922fd20 R11: 0000000000000246 R12: 0000000000000001 Finger prints: sk_common_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print