====================================== | [ 9.207754][ T198] softirqs last disabled at (27051): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.207756][ T198] Preemption disabled at: | [ 9.207757][ T198] 0x0 | [ 9.207767][ T198] Tainted: [W]=WARN [ 9.207768][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.207769][ T198] Call Trace: [ 9.207771][ T198] [ 9.207772][ T198] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.207778][ T198] __might_resched.cold (kernel/sched/core.c:9234) [ 9.207783][ T198] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.207787][ T198] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.207791][ T198] __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)) [ 9.207793][ T198] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.207800][ T198] ? 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) [ 9.207803][ T198] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.207806][ T198] put_chars (drivers/char/virtio_console.c:1176) [ 9.207809][ T198] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.207810][ T198] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.207814][ T198] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.207819][ T198] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.207827][ T198] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.207829][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.207831][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.207835][ T198] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.207839][ T198] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.207841][ T198] ? 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)) [ 9.207844][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.207846][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.207849][ T198] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.207853][ T198] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.207855][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.207860][ T198] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.207863][ T198] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.207865][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.207867][ T198] ? 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) [ 9.207870][ T198] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.207872][ T198] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.207875][ T198] vprintk_emit (kernel/printk/printk.c:2479) [ 9.207878][ T198] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.207880][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.207884][ T198] _printk (kernel/printk/printk.c:2504) [ 9.207888][ T198] ? snapshot_read.cold (user.c:?) [ 9.207890][ T198] ? 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) [ 9.207893][ T198] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.207897][ T198] ? 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) [ 9.207899][ T198] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.207903][ T198] ? exit_notify (kernel/exit.c:780) [ 9.207904][ T198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.207907][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.207910][ T198] do_group_exit (kernel/exit.c:1151) [ 9.207913][ T198] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.207915][ T198] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.207917][ T198] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.207921][ T198] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.207924][ T198] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.207927][ T198] RIP: 0033:0x7f5d5b4d51b8 [ 9.207929][ T198] Code: Unable to access opcode bytes at 0x7f5d5b4d518e. Code starting with the faulting instruction =========================================== [ 9.207931][ T198] RSP: 002b:00007ffea6d53128 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.207933][ T198] RAX: ffffffffffffffda RBX: 00007f5d5b605f88 RCX: 00007f5d5b4d51b8 [ 9.207934][ T198] RDX: 00007f5d5b21ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.207935][ T198] RBP: 00007ffea6d53180 R08: 0000000000000000 R09: 0000000000000050 [ 9.207936][ T198] R10: 00007ffea6d52f40 R11: 0000000000000246 R12: 0000000000000001 [ 9.207937][ T198] R13: 0000000000000000 R14: 00007f5d5b604680 R15: 00007f5d5b605fa0 | [ 12.038595][ T305] softirqs last disabled at (21655): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.038597][ T305] Preemption disabled at: | [ 12.038598][ T305] 0x0 | [ 12.038608][ T305] Tainted: [W]=WARN [ 12.038609][ T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.038611][ T305] Call Trace: [ 12.038613][ T305] [ 12.038614][ T305] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.038621][ T305] __might_resched.cold (kernel/sched/core.c:9234) [ 12.038625][ T305] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.038629][ T305] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.038633][ T305] __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)) [ 12.038635][ T305] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.038642][ T305] ? 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) [ 12.038645][ T305] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.038649][ T305] put_chars (drivers/char/virtio_console.c:1176) [ 12.038651][ T305] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.038652][ T305] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.038656][ T305] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.038662][ T305] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.038669][ T305] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.038672][ T305] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.038674][ T305] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.038678][ T305] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.038682][ T305] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.038684][ T305] ? 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)) [ 12.038687][ T305] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.038689][ T305] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.038693][ T305] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.038697][ T305] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.038699][ T305] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.038704][ T305] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.038707][ T305] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.038709][ T305] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.038711][ T305] ? 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) [ 12.038714][ T305] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.038716][ T305] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.038719][ T305] vprintk_emit (kernel/printk/printk.c:2479) [ 12.038722][ T305] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.038725][ T305] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.038728][ T305] _printk (kernel/printk/printk.c:2504) [ 12.038732][ T305] ? snapshot_read.cold (user.c:?) [ 12.038735][ T305] ? 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) [ 12.038738][ T305] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.038741][ T305] ? 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) [ 12.038744][ T305] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.038748][ T305] ? exit_notify (kernel/exit.c:780) [ 12.038749][ T305] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.038752][ T305] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.038756][ T305] do_group_exit (kernel/exit.c:1151) [ 12.038758][ T305] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.038760][ T305] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.038762][ T305] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.038766][ T305] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.038769][ T305] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.038771][ T305] RIP: 0033:0x7f6cf9ceb1b8 [ 12.038773][ T305] Code: Unable to access opcode bytes at 0x7f6cf9ceb18e. Code starting with the faulting instruction =========================================== [ 12.038774][ T305] RSP: 002b:00007ffda216f018 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.038777][ T305] RAX: ffffffffffffffda RBX: 00007f6cf9e1bf88 RCX: 00007f6cf9ceb1b8 [ 12.038778][ T305] RDX: 00007f6cf9a35fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.038779][ T305] RBP: 00007ffda216f070 R08: 0000000000000000 R09: 0000000000000050 [ 12.038780][ T305] R10: 00007ffda216ee30 R11: 0000000000000246 R12: 0000000000000001 [ 12.038781][ T305] R13: 0000000000000000 R14: 00007f6cf9e1a680 R15: 00007f6cf9e1bfa0 | [ 24.741855][ T549] softirqs last disabled at (62845): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 24.741857][ T549] Preemption disabled at: | [ 24.741858][ T549] 0x0 | [ 24.741867][ T549] Tainted: [W]=WARN [ 24.741868][ T549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.741870][ T549] Call Trace: [ 24.741871][ T549] [ 24.741873][ T549] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.741879][ T549] __might_resched.cold (kernel/sched/core.c:9234) [ 24.741884][ T549] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.741888][ T549] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.741892][ T549] __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)) [ 24.741894][ T549] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.741901][ T549] ? 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) [ 24.741904][ T549] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.741907][ T549] put_chars (drivers/char/virtio_console.c:1176) [ 24.741910][ T549] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.741911][ T549] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.741915][ T549] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.741920][ T549] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.741928][ T549] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.741930][ T549] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.741932][ T549] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.741936][ T549] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.741940][ T549] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.741942][ T549] ? 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)) [ 24.741945][ T549] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.741947][ T549] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.741951][ T549] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.741955][ T549] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.741957][ T549] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.741962][ T549] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.741965][ T549] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.741966][ T549] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.741968][ T549] ? 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) [ 24.741972][ T549] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.741973][ T549] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.741976][ T549] vprintk_emit (kernel/printk/printk.c:2479) [ 24.741979][ T549] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.741980][ T549] ? 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) [ 24.741983][ T549] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.741987][ T549] _printk (kernel/printk/printk.c:2504) [ 24.741991][ T549] ? snapshot_read.cold (user.c:?) [ 24.741993][ T549] ? 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) [ 24.741996][ T549] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.742000][ T549] ? 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) [ 24.742002][ T549] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 24.742006][ T549] ? exit_notify (kernel/exit.c:780) [ 24.742007][ T549] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.742010][ T549] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.742013][ T549] do_group_exit (kernel/exit.c:1151) [ 24.742016][ T549] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 24.742018][ T549] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 24.742020][ T549] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.742024][ T549] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.742027][ T549] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.742030][ T549] RIP: 0033:0x7ff9c5a381b8 [ 24.742032][ T549] Code: Unable to access opcode bytes at 0x7ff9c5a3818e. Code starting with the faulting instruction =========================================== [ 24.742033][ T549] RSP: 002b:00007ffcb81348e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 24.742035][ T549] RAX: ffffffffffffffda RBX: 00007ff9c5b68f88 RCX: 00007ff9c5a381b8 [ 24.742036][ T549] RDX: 00007ff9c5975a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 24.742037][ T549] RBP: 00007ffcb8134940 R08: 0000000000000000 R09: 0000000000000000 [ 24.742038][ T549] R10: 00007ffcb8134780 R11: 0000000000000246 R12: 0000000000000001 [ 24.742039][ T549] R13: 0000000000000000 R14: 00007ff9c5b67680 R15: 00007ff9c5b68fa0 | [ 26.570723][ T617] softirqs last disabled at (17540): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 26.570726][ T617] Preemption disabled at: | [ 26.570726][ T617] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.570734][ T617] Tainted: [W]=WARN [ 26.570735][ T617] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.570737][ T617] Call Trace: [ 26.570738][ T617] [ 26.570740][ T617] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.570745][ T617] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.570747][ T617] __might_resched.cold (kernel/sched/core.c:9234) [ 26.570751][ T617] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.570756][ T617] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.570760][ T617] __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)) [ 26.570762][ T617] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.570768][ T617] ? 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) [ 26.570770][ T617] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.570774][ T617] put_chars (drivers/char/virtio_console.c:1176) [ 26.570776][ T617] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.570779][ T617] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 26.570784][ T617] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.570792][ T617] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.570795][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.570797][ T617] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.570801][ T617] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.570805][ T617] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.570807][ T617] ? 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)) [ 26.570810][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.570812][ T617] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.570816][ T617] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.570820][ T617] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.570822][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.570827][ T617] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.570830][ T617] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.570831][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.570833][ T617] ? 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) [ 26.570837][ T617] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.570839][ T617] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.570841][ T617] vprintk_emit (kernel/printk/printk.c:2479) [ 26.570844][ T617] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.570846][ T617] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.570847][ T617] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 26.570851][ T617] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.570855][ T617] _printk (kernel/printk/printk.c:2504) [ 26.570858][ T617] ? snapshot_read.cold (user.c:?) [ 26.570861][ T617] ? br_multicast_flood (??:?) [ 26.570865][ T617] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.570866][ T617] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.570867][ T617] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.570872][ T617] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 26.570875][ T617] br_init_port (net/bridge/br_stp_if.c:39) [ 26.570878][ T617] new_nbp (net/bridge/br_if.c:449) [ 26.570881][ T617] br_add_if (net/bridge/br_if.c:592) [ 26.570884][ T617] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 26.570887][ T617] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 26.570893][ T617] do_set_master (net/core/rtnetlink.c:3071) [ 26.570896][ T617] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.570899][ T617] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 26.570903][ T617] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 26.570904][ T617] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 26.570907][ T617] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 26.570910][ T617] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.570912][ T617] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.570914][ T617] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.570916][ T617] ? kasan_save_stack (mm/kasan/common.c:58) [ 26.570918][ T617] ? kasan_save_stack (mm/kasan/common.c:57) [ 26.570920][ T617] ? kasan_save_track (mm/kasan/common.c:78) [ 26.570921][ T617] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 26.570923][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.570925][ T617] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 26.570928][ T617] ? ___sys_sendmsg (net/socket.c:2758) [ 26.570932][ T617] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.570934][ T617] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.570936][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.570938][ T617] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.570939][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.570940][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.570942][ T617] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 26.570944][ T617] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 26.570945][ T617] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 26.570947][ T617] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.570951][ T617] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 26.570952][ T617] ? nla_get_range_signed (lib/nlattr.c:270) [ 26.570956][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.570959][ T617] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 26.570964][ T617] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.570969][ T617] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.570971][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.570976][ T617] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.570977][ T617] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.570980][ T617] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.570981][ T617] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.570985][ T617] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.570987][ T617] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.570990][ T617] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.570991][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.570996][ T617] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.570998][ T617] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.571001][ T617] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.571004][ T617] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.571007][ T617] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.571014][ T617] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 26.571016][ T617] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 26.571020][ T617] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.571024][ T617] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.571027][ T617] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.571031][ T617] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.571035][ T617] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.571039][ T617] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.571040][ T617] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 26.571046][ T617] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.571048][ T617] ____sys_sendmsg (net/socket.c:2713) [ 26.571051][ T617] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.571053][ T617] ? sock_write_iter (net/socket.c:1269) [ 26.571054][ T617] ? move_addr_to_kernel (net/socket.c:258) [ 26.571062][ T617] ___sys_sendmsg (net/socket.c:2767) [ 26.571064][ T617] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.571080][ T617] __sys_sendmsg (net/socket.c:2799) [ 26.571083][ T617] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.571089][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.571092][ T617] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.571095][ T617] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.571098][ T617] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.571100][ T617] RIP: 0033:0x7fd8f3bb954e [ 26.571104][ T617] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 26.571106][ T617] RSP: 002b:00007ffc8f06cfd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.571108][ T617] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd8f3bb954e [ 26.571110][ T617] RDX: 0000000000000000 RSI: 00007ffc8f06d080 RDI: 0000000000000005 [ 26.571111][ T617] RBP: 00007ffc8f06cfe0 R08: 0000000000000000 R09: 0000000000000000 [ 26.571111][ T617] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9143be [ 26.571112][ T617] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8f06d750 | [ 29.128461][ T636] softirqs last disabled at (1396916): fpu__clear_user_states (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:835 (discriminator 2)) | [ 29.128464][ T636] Preemption disabled at: | [ 29.128464][ T636] 0x0 | [ 29.128475][ T636] Tainted: [W]=WARN [ 29.128476][ T636] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.128477][ T636] Call Trace: [ 29.128479][ T636] [ 29.128480][ T636] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.128486][ T636] __might_resched.cold (kernel/sched/core.c:9234) [ 29.128490][ T636] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.128494][ T636] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.128498][ T636] __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)) [ 29.128500][ T636] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.128507][ T636] ? 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) [ 29.128513][ T636] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.128516][ T636] put_chars (drivers/char/virtio_console.c:1176) [ 29.128518][ T636] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 29.128520][ T636] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.128523][ T636] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.128526][ T636] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.128529][ T636] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.128533][ T636] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.128537][ T636] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.128539][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.128541][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.128545][ T636] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.128547][ T636] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 29.128550][ T636] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.128552][ T636] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.128556][ T636] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.128560][ T636] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.128562][ T636] ? 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)) [ 29.128565][ T636] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.128567][ T636] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.128570][ T636] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.128575][ T636] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.128576][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.128581][ T636] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.128584][ T636] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.128586][ T636] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.128588][ T636] ? 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) [ 29.128591][ T636] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.128593][ T636] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.128596][ T636] vprintk_emit (kernel/printk/printk.c:2479) [ 29.128599][ T636] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.128600][ T636] ? 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) [ 29.128603][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.128606][ T636] _printk (kernel/printk/printk.c:2504) [ 29.128610][ T636] ? snapshot_read.cold (user.c:?) [ 29.128613][ T636] ? 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) [ 29.128615][ T636] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.128619][ T636] ? 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) [ 29.128622][ T636] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 29.128625][ T636] ? exit_notify (kernel/exit.c:780) [ 29.128630][ T636] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 29.128632][ T636] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 29.128635][ T636] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.128639][ T636] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.128641][ T636] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.128643][ T636] RIP: 0033:0x7f10ce5bfc49 [ 29.128646][ T636] Code: Unable to access opcode bytes at 0x7f10ce5bfc1f. Code starting with the faulting instruction =========================================== [ 29.128647][ T636] RSP: 002b:00007f10cdd7ee60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 29.128649][ T636] RAX: ffffffffffffffda RBX: 00007f10cdd7f6c0 RCX: 00007f10ce5bfc49 [ 29.128650][ T636] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 29.128651][ T636] RBP: 00007f10cdd7ef70 R08: 0000000000000001 R09: 00007f10cdd7f6c0 [ 29.128652][ T636] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f10cd57f000 [ 29.128653][ T636] R13: 00007ffc86eb9d70 R14: 0000000000000002 R15: 00007ffc86eb9e77 | [ 46.342779][ T1068] softirqs last disabled at (16396): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 46.342782][ T1068] Preemption disabled at: | [ 46.342783][ T1068] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.342791][ T1068] Tainted: [W]=WARN [ 46.342792][ T1068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.342793][ T1068] Call Trace: [ 46.342795][ T1068] [ 46.342796][ T1068] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.342802][ T1068] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.342804][ T1068] __might_resched.cold (kernel/sched/core.c:9234) [ 46.342808][ T1068] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.342812][ T1068] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.342816][ T1068] __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)) [ 46.342818][ T1068] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.342825][ T1068] ? 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) [ 46.342827][ T1068] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.342831][ T1068] put_chars (drivers/char/virtio_console.c:1176) [ 46.342834][ T1068] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.342835][ T1068] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.342838][ T1068] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.342844][ T1068] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.342851][ T1068] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.342854][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.342856][ T1068] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.342860][ T1068] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.342864][ T1068] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.342866][ T1068] ? 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)) [ 46.342869][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.342871][ T1068] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.342875][ T1068] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.342879][ T1068] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.342881][ T1068] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.342886][ T1068] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.342889][ T1068] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.342891][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.342893][ T1068] ? 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) [ 46.342896][ T1068] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.342898][ T1068] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.342901][ T1068] vprintk_emit (kernel/printk/printk.c:2479) [ 46.342904][ T1068] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.342905][ T1068] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.342908][ T1068] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 46.342912][ T1068] _printk (kernel/printk/printk.c:2504) [ 46.342915][ T1068] ? snapshot_read.cold (user.c:?) [ 46.342919][ T1068] ? br_multicast_flood (??:?) [ 46.342922][ T1068] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 46.342924][ T1068] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.342925][ T1068] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.342929][ T1068] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 46.342933][ T1068] br_init_port (net/bridge/br_stp_if.c:39) [ 46.342936][ T1068] new_nbp (net/bridge/br_if.c:449) [ 46.342940][ T1068] br_add_if (net/bridge/br_if.c:592) [ 46.342942][ T1068] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 46.342945][ T1068] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 46.342951][ T1068] do_set_master (net/core/rtnetlink.c:3071) [ 46.342954][ T1068] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 46.342957][ T1068] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 46.342961][ T1068] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 46.342962][ T1068] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 46.342965][ T1068] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 46.342968][ T1068] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.342970][ T1068] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.342972][ T1068] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.342974][ T1068] ? kasan_save_stack (mm/kasan/common.c:58) [ 46.342976][ T1068] ? kasan_save_stack (mm/kasan/common.c:57) [ 46.342977][ T1068] ? kasan_save_track (mm/kasan/common.c:78) [ 46.342979][ T1068] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 46.342981][ T1068] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.342983][ T1068] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 46.342986][ T1068] ? ___sys_sendmsg (net/socket.c:2758) [ 46.342990][ T1068] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.342992][ T1068] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.342994][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.342996][ T1068] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.342998][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.342999][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.343001][ T1068] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 46.343003][ T1068] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 46.343005][ T1068] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 46.343007][ T1068] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.343010][ T1068] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 46.343012][ T1068] ? nla_get_range_signed (lib/nlattr.c:270) [ 46.343017][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.343019][ T1068] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 46.343024][ T1068] rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.343029][ T1068] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.343031][ T1068] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.343036][ T1068] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.343038][ T1068] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.343040][ T1068] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.343042][ T1068] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.343046][ T1068] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.343048][ T1068] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.343051][ T1068] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.343052][ T1068] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.343056][ T1068] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.343058][ T1068] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.343062][ T1068] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.343065][ T1068] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.343068][ T1068] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.343074][ T1068] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 46.343076][ T1068] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 46.343081][ T1068] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.343085][ T1068] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.343087][ T1068] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.343091][ T1068] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.343095][ T1068] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.343099][ T1068] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.343101][ T1068] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 46.343106][ T1068] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 46.343109][ T1068] ____sys_sendmsg (net/socket.c:2713) [ 46.343111][ T1068] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.343113][ T1068] ? sock_write_iter (net/socket.c:1269) [ 46.343115][ T1068] ? move_addr_to_kernel (net/socket.c:258) [ 46.343122][ T1068] ___sys_sendmsg (net/socket.c:2767) [ 46.343125][ T1068] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.343141][ T1068] __sys_sendmsg (net/socket.c:2799) [ 46.343144][ T1068] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.343150][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.343153][ T1068] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.343156][ T1068] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.343159][ T1068] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.343161][ T1068] RIP: 0033:0x7fc449dea54e [ 46.343165][ T1068] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 46.343167][ T1068] RSP: 002b:00007fff4a733db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.343169][ T1068] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc449dea54e [ 46.343171][ T1068] RDX: 0000000000000000 RSI: 00007fff4a733e60 RDI: 0000000000000005 [ 46.343172][ T1068] RBP: 00007fff4a733dc0 R08: 0000000000000000 R09: 0000000000000000 [ 46.343173][ T1068] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9143d2 [ 46.343173][ T1068] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4a734530 | [ 48.938278][ T1087] softirqs last disabled at (1336528): fpu__clear_user_states (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:835 (discriminator 2)) | [ 48.938281][ T1087] Preemption disabled at: | [ 48.938282][ T1087] 0x0 | [ 48.938292][ T1087] Tainted: [W]=WARN [ 48.938293][ T1087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.938294][ T1087] Call Trace: [ 48.938296][ T1087] [ 48.938297][ T1087] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.938303][ T1087] __might_resched.cold (kernel/sched/core.c:9234) [ 48.938308][ T1087] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.938312][ T1087] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 48.938316][ T1087] __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)) [ 48.938318][ T1087] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.938325][ T1087] ? 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) [ 48.938328][ T1087] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.938332][ T1087] put_chars (drivers/char/virtio_console.c:1176) [ 48.938334][ T1087] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 48.938336][ T1087] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.938339][ T1087] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.938342][ T1087] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 48.938345][ T1087] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.938349][ T1087] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.938353][ T1087] ? mark_usage (kernel/locking/lockdep.c:4690) [ 48.938355][ T1087] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.938357][ T1087] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.938361][ T1087] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.938363][ T1087] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 48.938367][ T1087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.938369][ T1087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.938372][ T1087] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.938376][ T1087] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.938378][ T1087] ? 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)) [ 48.938382][ T1087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.938383][ T1087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.938387][ T1087] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.938391][ T1087] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.938393][ T1087] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.938398][ T1087] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.938401][ T1087] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.938403][ T1087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.938405][ T1087] ? 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) [ 48.938409][ T1087] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.938410][ T1087] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.938413][ T1087] vprintk_emit (kernel/printk/printk.c:2479) [ 48.938416][ T1087] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.938418][ T1087] ? 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) [ 48.938421][ T1087] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.938424][ T1087] _printk (kernel/printk/printk.c:2504) [ 48.938428][ T1087] ? snapshot_read.cold (user.c:?) [ 48.938431][ T1087] ? 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) [ 48.938433][ T1087] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.938437][ T1087] ? 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) [ 48.938440][ T1087] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 48.938443][ T1087] ? exit_notify (kernel/exit.c:780) [ 48.938449][ T1087] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 48.938450][ T1087] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 48.938453][ T1087] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.938457][ T1087] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 48.938460][ T1087] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.938462][ T1087] RIP: 0033:0x7fd624e93c49 [ 48.938464][ T1087] Code: Unable to access opcode bytes at 0x7fd624e93c1f. Code starting with the faulting instruction =========================================== [ 48.938465][ T1087] RSP: 002b:00007fd624652e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 48.938468][ T1087] RAX: ffffffffffffffda RBX: 00007fd6246536c0 RCX: 00007fd624e93c49 [ 48.938469][ T1087] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 48.938470][ T1087] RBP: 00007fd624652f70 R08: 0000000000000001 R09: 00007fd6246536c0 [ 48.938471][ T1087] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fd623e53000 Finger prints: fpu__clear_user_states:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars