====================================== | [ 7.212406][ T175] softirqs last disabled at (0): 0x0 | [ 7.212408][ T175] Preemption disabled at: | [ 7.212409][ T175] 0x0 | [ 7.212417][ T175] Tainted: [W]=WARN [ 7.212418][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.212419][ T175] Call Trace: [ 7.212421][ T175] [ 7.212422][ T175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 7.212426][ T175] __might_resched.cold (kernel/sched/core.c:9234) [ 7.212430][ T175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 7.212432][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.212436][ T175] __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)) [ 7.212439][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 7.212442][ T175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 7.212446][ T175] ? 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) [ 7.212448][ T175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 7.212450][ T175] put_chars (drivers/char/virtio_console.c:1176) [ 7.212452][ T175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 7.212453][ T175] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 7.212456][ T175] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 7.212458][ T175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 7.212461][ T175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 7.212462][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 7.212464][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 7.212467][ T175] console_emit_next_record (kernel/printk/printk.c:3183) [ 7.212469][ T175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 7.212470][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.212471][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.212472][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.212474][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 7.212476][ T175] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 7.212477][ T175] console_flush_one_record (kernel/printk/printk.c:3268) [ 7.212479][ T175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 7.212481][ T175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 7.212482][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 7.212484][ T175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 7.212485][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.212486][ T175] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 7.212487][ T175] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 7.212489][ T175] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 7.212491][ T175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 7.212493][ T175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 7.212494][ T175] vprintk_emit (kernel/printk/printk.c:2479) [ 7.212496][ T175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 7.212497][ T175] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 7.212499][ T175] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 7.212501][ T175] _printk (kernel/printk/printk.c:2504) [ 7.212504][ T175] ? snapshot_read.cold (user.c:?) [ 7.212506][ T175] ? 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) [ 7.212507][ T175] ? 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) [ 7.212509][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 7.212512][ T175] ? 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) [ 7.212513][ T175] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 7.212516][ T175] ? exit_notify (kernel/exit.c:780) [ 7.212518][ T175] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 7.212520][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.212522][ T175] do_group_exit (kernel/exit.c:1151) [ 7.212524][ T175] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 7.212525][ T175] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 7.212528][ T175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 7.212531][ T175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 7.212533][ T175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 7.212535][ T175] RIP: 0033:0x7f5fd7d401b8 [ 7.212537][ T175] Code: Unable to access opcode bytes at 0x7f5fd7d4018e. Code starting with the faulting instruction =========================================== [ 7.212538][ T175] RSP: 002b:00007ffee902d558 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 7.212541][ T175] RAX: ffffffffffffffda RBX: 00007f5fd7e70f88 RCX: 00007f5fd7d401b8 [ 7.212542][ T175] RDX: 00007f5fd7a8afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 7.212543][ T175] RBP: 00007ffee902d5b0 R08: 0000000000000000 R09: 0000000000000050 [ 7.212544][ T175] R10: 00007ffee902d370 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record