====================================== | [ 11.668133][ T466] softirqs last disabled at (0): 0x0 | [ 11.668135][ T466] Preemption disabled at: | [ 11.668136][ T466] 0x0 | [ 11.668146][ T466] Tainted: [W]=WARN [ 11.668147][ T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.668151][ T466] Call Trace: [ 11.668158][ T466] [ 11.668162][ T466] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.668170][ T466] __might_resched.cold (kernel/sched/core.c:9234) [ 11.668175][ T466] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.668179][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.668185][ T466] __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)) [ 11.668193][ T466] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.668197][ T466] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.668202][ T466] ? 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) [ 11.668205][ T466] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.668209][ T466] put_chars (drivers/char/virtio_console.c:1176) [ 11.668212][ T466] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.668214][ T466] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 11.668217][ T466] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 11.668221][ T466] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.668226][ T466] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.668228][ T466] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.668231][ T466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.668235][ T466] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.668238][ T466] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.668240][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.668242][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.668244][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.668246][ T466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.668249][ T466] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 11.668250][ T466] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.668253][ T466] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.668257][ T466] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.668258][ T466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.668261][ T466] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.668263][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.668264][ T466] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.668266][ T466] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.668269][ T466] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 11.668271][ T466] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.668274][ T466] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.668276][ T466] vprintk_emit (kernel/printk/printk.c:2479) [ 11.668279][ T466] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.668281][ T466] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 11.668284][ T466] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 11.668287][ T466] _printk (kernel/printk/printk.c:2504) [ 11.668290][ T466] ? snapshot_read.cold (user.c:?) [ 11.668292][ T466] ? 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) [ 11.668295][ T466] ? 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) [ 11.668297][ T466] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.668307][ T466] ? 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) [ 11.668310][ T466] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.668314][ T466] ? exit_notify (kernel/exit.c:780) [ 11.668317][ T466] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 11.668320][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.668322][ T466] do_group_exit (kernel/exit.c:1151) [ 11.668325][ T466] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.668327][ T466] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.668330][ T466] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.668334][ T466] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.668338][ T466] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.668340][ T466] RIP: 0033:0x7f948de141b8 [ 11.668343][ T466] Code: Unable to access opcode bytes at 0x7f948de1418e. Code starting with the faulting instruction =========================================== [ 11.668345][ T466] RSP: 002b:00007ffe8c93a908 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.668349][ T466] RAX: ffffffffffffffda RBX: 00007f948df44f88 RCX: 00007f948de141b8 [ 11.668351][ T466] RDX: 00007f948dd4b748 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.668353][ T466] RBP: 00007ffe8c93a960 R08: 0000000000000000 R09: 0000000000000020 [ 11.668354][ T466] R10: 00007ffe8c93a780 R11: 0000000000000246 R12: 0000000000000001 [ 11.668355][ T466] R13: 0000000000000000 R14: 00007f948df43680 R15: 00007f948df44fa0 | [ 17.365837][ T1759] softirqs last disabled at (0): 0x0 | [ 17.365839][ T1759] Preemption disabled at: | [ 17.365840][ T1759] 0x0 | [ 17.365849][ T1759] Tainted: [W]=WARN [ 17.365850][ T1759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.365851][ T1759] Call Trace: [ 17.365853][ T1759] [ 17.365854][ T1759] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.365859][ T1759] __might_resched.cold (kernel/sched/core.c:9234) [ 17.365863][ T1759] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.365866][ T1759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.365869][ T1759] __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)) [ 17.365873][ T1759] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.365876][ T1759] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.365881][ T1759] ? 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) [ 17.365882][ T1759] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.365885][ T1759] put_chars (drivers/char/virtio_console.c:1176) [ 17.365887][ T1759] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.365888][ T1759] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 17.365891][ T1759] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 17.365893][ T1759] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.365897][ T1759] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.365898][ T1759] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.365900][ T1759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.365902][ T1759] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.365905][ T1759] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.365906][ T1759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.365907][ T1759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.365908][ T1759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.365910][ T1759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.365912][ T1759] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 17.365913][ T1759] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.365915][ T1759] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.365917][ T1759] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.365918][ T1759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.365920][ T1759] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.365921][ T1759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.365922][ T1759] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 17.365924][ T1759] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.365926][ T1759] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 17.365927][ T1759] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.365930][ T1759] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.365931][ T1759] vprintk_emit (kernel/printk/printk.c:2479) [ 17.365933][ T1759] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.365935][ T1759] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 17.365936][ T1759] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 17.365939][ T1759] _printk (kernel/printk/printk.c:2504) [ 17.365941][ T1759] ? snapshot_read.cold (user.c:?) [ 17.365943][ T1759] ? 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) [ 17.365945][ T1759] ? 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) [ 17.365947][ T1759] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.365949][ T1759] ? 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) [ 17.365951][ T1759] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 17.365954][ T1759] ? exit_notify (kernel/exit.c:780) [ 17.365955][ T1759] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 17.365958][ T1759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.365959][ T1759] do_group_exit (kernel/exit.c:1151) [ 17.365961][ T1759] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 17.365963][ T1759] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 17.365965][ T1759] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.365969][ T1759] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.365971][ T1759] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.365973][ T1759] RIP: 0033:0x7fca2925d1b8 [ 17.365975][ T1759] Code: Unable to access opcode bytes at 0x7fca2925d18e. Code starting with the faulting instruction =========================================== [ 17.365976][ T1759] RSP: 002b:00007ffede8cec88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 17.365979][ T1759] RAX: ffffffffffffffda RBX: 00007fca2938df88 RCX: 00007fca2925d1b8 [ 17.365980][ T1759] RDX: 00007fca29194748 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 17.365981][ T1759] RBP: 00007ffede8cece0 R08: 0000000000000000 R09: 0000000000000020 [ 17.365982][ T1759] R10: 00007ffede8ceb00 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record