====================================== | [ 9.784293][ T202] softirqs last disabled at (15292): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.784295][ T202] Preemption disabled at: | [ 9.784296][ T202] 0x0 | [ 9.784306][ T202] Tainted: [W]=WARN [ 9.784307][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.784309][ T202] Call Trace: [ 9.784310][ T202] [ 9.784312][ T202] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.784318][ T202] __might_resched.cold (kernel/sched/core.c:9234) [ 9.784323][ T202] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.784327][ T202] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.784332][ T202] __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)) [ 9.784334][ T202] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.784340][ T202] ? 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) [ 9.784343][ T202] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.784347][ T202] put_chars (drivers/char/virtio_console.c:1176) [ 9.784349][ T202] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.784350][ T202] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.784354][ T202] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.784359][ T202] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.784367][ T202] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.784370][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.784372][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.784376][ T202] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.784380][ T202] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.784382][ T202] ? 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)) [ 9.784385][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.784386][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.784390][ T202] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.784394][ T202] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.784396][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.784401][ T202] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.784404][ T202] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.784406][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.784408][ T202] ? 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) [ 9.784411][ T202] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.784413][ T202] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.784416][ T202] vprintk_emit (kernel/printk/printk.c:2479) [ 9.784419][ T202] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.784422][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.784425][ T202] _printk (kernel/printk/printk.c:2504) [ 9.784429][ T202] ? snapshot_read.cold (user.c:?) [ 9.784432][ T202] ? 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) [ 9.784435][ T202] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.784439][ T202] ? 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) [ 9.784441][ T202] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.784445][ T202] ? exit_notify (kernel/exit.c:780) [ 9.784447][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.784449][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.784453][ T202] do_group_exit (kernel/exit.c:1151) [ 9.784456][ T202] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.784457][ T202] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.784460][ T202] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.784464][ T202] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.784467][ T202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.784469][ T202] RIP: 0033:0x7fc0b961c1b8 [ 9.784471][ T202] Code: Unable to access opcode bytes at 0x7fc0b961c18e. Code starting with the faulting instruction =========================================== [ 9.784472][ T202] RSP: 002b:00007ffe95a9a348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.784475][ T202] RAX: ffffffffffffffda RBX: 00007fc0b974cf88 RCX: 00007fc0b961c1b8 [ 9.784476][ T202] RDX: 00007fc0b9366fc8 RSI: fffffffffffffeb8 RDI: 0000000000000001 [ 9.784477][ T202] RBP: 00007ffe95a9a3a0 R08: 0000000000000000 R09: 0000000000000000 [ 9.784478][ T202] R10: 00007ffe95a9a160 R11: 0000000000000246 R12: 0000000000000001 [ 9.784478][ T202] R13: 0000000000000001 R14: 00007fc0b974b680 R15: 00007fc0b974cfa0 | [ 11.984563][ T270] softirqs last disabled at (36469): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.984566][ T270] Preemption disabled at: | [ 11.984567][ T270] 0x0 | [ 11.984576][ T270] Tainted: [W]=WARN [ 11.984577][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.984579][ T270] Call Trace: [ 11.984580][ T270] [ 11.984582][ T270] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.984588][ T270] __might_resched.cold (kernel/sched/core.c:9234) [ 11.984592][ T270] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.984596][ T270] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.984601][ T270] __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)) [ 11.984603][ T270] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.984609][ T270] ? 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) [ 11.984612][ T270] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.984616][ T270] put_chars (drivers/char/virtio_console.c:1176) [ 11.984618][ T270] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.984619][ T270] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.984623][ T270] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.984628][ T270] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.984636][ T270] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.984638][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.984640][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.984644][ T270] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.984648][ T270] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.984650][ T270] ? 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)) [ 11.984653][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.984655][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.984659][ T270] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.984664][ T270] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.984666][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.984671][ T270] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.984674][ T270] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.984676][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.984678][ T270] ? 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) [ 11.984681][ T270] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.984683][ T270] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.984686][ T270] vprintk_emit (kernel/printk/printk.c:2479) [ 11.984689][ T270] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.984691][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.984695][ T270] _printk (kernel/printk/printk.c:2504) [ 11.984699][ T270] ? snapshot_read.cold (user.c:?) [ 11.984701][ T270] ? 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) [ 11.984704][ T270] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.984708][ T270] ? 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) [ 11.984711][ T270] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.984714][ T270] ? exit_notify (kernel/exit.c:780) [ 11.984715][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.984718][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.984722][ T270] do_group_exit (kernel/exit.c:1151) [ 11.984724][ T270] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.984726][ T270] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.984729][ T270] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.984733][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.984736][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.984738][ T270] RIP: 0033:0x7f70c25d21b8 [ 11.984740][ T270] Code: Unable to access opcode bytes at 0x7f70c25d218e. Code starting with the faulting instruction =========================================== [ 11.984741][ T270] RSP: 002b:00007ffc888a0598 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.984743][ T270] RAX: ffffffffffffffda RBX: 00007f70c2702f88 RCX: 00007f70c25d21b8 [ 11.984745][ T270] RDX: 00007f70c231cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.984746][ T270] RBP: 00007ffc888a05f0 R08: 0000000000000000 R09: 0000000000008010 [ 11.984747][ T270] R10: 00007ffc888a03b0 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