====================================== | [ 25.441144][ T825] softirqs last disabled at (187096): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 25.441148][ T825] Preemption disabled at: | [ 25.441148][ T825] 0x0 | [ 25.441159][ T825] Tainted: [W]=WARN [ 25.441160][ T825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.441162][ T825] Call Trace: [ 25.441163][ T825] [ 25.441165][ T825] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.441171][ T825] __might_resched.cold (kernel/sched/core.c:9234) [ 25.441176][ T825] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.441180][ T825] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.441184][ T825] __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)) [ 25.441186][ T825] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.441192][ T825] ? 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) [ 25.441195][ T825] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.441199][ T825] put_chars (drivers/char/virtio_console.c:1176) [ 25.441202][ T825] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.441204][ T825] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.441208][ T825] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.441214][ T825] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.441221][ T825] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.441224][ T825] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.441226][ T825] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.441229][ T825] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.441233][ T825] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.441235][ T825] ? 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)) [ 25.441238][ T825] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.441240][ T825] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.441243][ T825] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.441247][ T825] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.441249][ T825] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.441253][ T825] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.441256][ T825] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.441258][ T825] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.441260][ T825] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.441263][ T825] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.441264][ T825] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.441268][ T825] vprintk_emit (kernel/printk/printk.c:2479) [ 25.441271][ T825] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.441273][ T825] ? 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) [ 25.441275][ T825] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.441279][ T825] _printk (kernel/printk/printk.c:2504) [ 25.441282][ T825] ? snapshot_read.cold (user.c:?) [ 25.441285][ T825] ? 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) [ 25.441287][ T825] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.441291][ T825] ? 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) [ 25.441293][ T825] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 25.441297][ T825] ? exit_notify (kernel/exit.c:780) [ 25.441299][ T825] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.441301][ T825] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.441305][ T825] do_group_exit (kernel/exit.c:1151) [ 25.441309][ T825] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 25.441311][ T825] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 25.441313][ T825] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.441315][ T825] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.441319][ T825] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.441321][ T825] RIP: 0033:0x7fce4d3691b8 [ 25.441323][ T825] Code: Unable to access opcode bytes at 0x7fce4d36918e. Code starting with the faulting instruction =========================================== [ 25.441324][ T825] RSP: 002b:00007ffe35532618 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.441327][ T825] RAX: ffffffffffffffda RBX: 00007fce4d499f88 RCX: 00007fce4d3691b8 [ 25.441328][ T825] RDX: 00007fce4d2a6a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 25.441329][ T825] RBP: 00007ffe35532670 R08: 0000000000000000 R09: 0000000000000000 [ 25.441330][ T825] R10: 00007ffe355324b0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print