====================================== | [ 9.322279][ T177] softirqs last disabled at (20159): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.322281][ T177] Preemption disabled at: | [ 9.322282][ T177] 0x0 | [ 9.322292][ T177] Tainted: [W]=WARN [ 9.322293][ T177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.322299][ T177] Call Trace: [ 9.322301][ T177] [ 9.322303][ T177] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.322309][ T177] __might_resched.cold (kernel/sched/core.c:9234) [ 9.322314][ T177] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.322318][ T177] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.322323][ T177] __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)) [ 9.322325][ T177] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.322331][ T177] ? 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) [ 9.322334][ T177] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.322337][ T177] put_chars (drivers/char/virtio_console.c:1176) [ 9.322340][ T177] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.322341][ T177] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.322346][ T177] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.322351][ T177] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.322357][ T177] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.322360][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.322362][ T177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.322366][ T177] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.322370][ T177] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.322372][ T177] ? 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)) [ 9.322375][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.322377][ T177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.322381][ T177] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.322385][ T177] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.322387][ T177] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.322392][ T177] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.322394][ T177] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.322396][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.322399][ T177] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.322402][ T177] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.322404][ T177] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.322407][ T177] vprintk_emit (kernel/printk/printk.c:2479) [ 9.322411][ T177] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.322414][ T177] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.322418][ T177] _printk (kernel/printk/printk.c:2504) [ 9.322421][ T177] ? snapshot_read.cold (user.c:?) [ 9.322424][ T177] ? 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) [ 9.322426][ T177] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.322430][ T177] ? 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) [ 9.322433][ T177] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.322436][ T177] ? exit_notify (kernel/exit.c:780) [ 9.322437][ T177] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.322440][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.322444][ T177] do_group_exit (kernel/exit.c:1151) [ 9.322447][ T177] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.322449][ T177] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.322451][ T177] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.322455][ T177] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.322458][ T177] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.322460][ T177] RIP: 0033:0x7f03251a91b8 [ 9.322462][ T177] Code: Unable to access opcode bytes at 0x7f03251a918e. Code starting with the faulting instruction =========================================== [ 9.322464][ T177] RSP: 002b:00007ffe6e868c08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.322466][ T177] RAX: ffffffffffffffda RBX: 00007f03252d9f88 RCX: 00007f03251a91b8 [ 9.322467][ T177] RDX: 00007f0324ef3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.322468][ T177] RBP: 00007ffe6e868c60 R08: 0000000000000000 R09: 0000000000000050 [ 9.322469][ T177] R10: 00007ffe6e868a20 R11: 0000000000000246 R12: 0000000000000001 [ 9.322470][ T177] R13: 0000000000000000 R14: 00007f03252d8680 R15: 00007f03252d9fa0 | [ 14.720078][ T257] softirqs last disabled at (1529293): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.720080][ T257] Preemption disabled at: | [ 14.720081][ T257] 0x0 | [ 14.720092][ T257] Tainted: [W]=WARN [ 14.720092][ T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.720094][ T257] Call Trace: [ 14.720096][ T257] [ 14.720097][ T257] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.720103][ T257] __might_resched.cold (kernel/sched/core.c:9234) [ 14.720108][ T257] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.720112][ T257] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.720117][ T257] __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)) [ 14.720119][ T257] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.720125][ T257] ? 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) [ 14.720128][ T257] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.720131][ T257] put_chars (drivers/char/virtio_console.c:1176) [ 14.720133][ T257] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.720135][ T257] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.720138][ T257] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.720143][ T257] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.720145][ T257] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.720148][ T257] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.720152][ T257] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.720154][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.720155][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.720159][ T257] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.720161][ T257] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.720164][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.720167][ T257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.720170][ T257] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.720175][ T257] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.720177][ T257] ? 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)) [ 14.720180][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.720182][ T257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.720186][ T257] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.720190][ T257] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.720192][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.720197][ T257] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.720199][ T257] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.720201][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.720204][ T257] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.720207][ T257] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.720209][ T257] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.720212][ T257] vprintk_emit (kernel/printk/printk.c:2479) [ 14.720216][ T257] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.720219][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.720222][ T257] _printk (kernel/printk/printk.c:2504) [ 14.720226][ T257] ? snapshot_read.cold (user.c:?) [ 14.720229][ T257] ? 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) [ 14.720231][ T257] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.720235][ T257] ? 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) [ 14.720237][ T257] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.720241][ T257] ? exit_notify (kernel/exit.c:780) [ 14.720246][ T257] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 14.720248][ T257] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 14.720250][ T257] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.720254][ T257] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.720257][ T257] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.720259][ T257] RIP: 0033:0x7f8c24dd4c49 [ 14.720261][ T257] Code: Unable to access opcode bytes at 0x7f8c24dd4c1f. Code starting with the faulting instruction =========================================== [ 14.720262][ T257] RSP: 002b:00007f8c24593e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 14.720265][ T257] RAX: ffffffffffffffda RBX: 00007f8c245946c0 RCX: 00007f8c24dd4c49 [ 14.720266][ T257] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 14.720267][ T257] RBP: 00007f8c24593f70 R08: 0000000000000001 R09: 00007f8c245946c0 [ 14.720268][ T257] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f8c23d94000 [ 14.720269][ T257] R13: 00007ffdeac4a710 R14: 0000000000000002 R15: 00007ffdeac4a817 | [ 14.863896][ T261] | [ 14.863896][ T261] | [ 14.863896][ T261] stack backtrace: | [ 14.863902][ T261] Tainted: [W]=WARN [ 14.863903][ T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.863905][ T261] Call Trace: [ 14.863906][ T261] [ 14.863907][ T261] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.863911][ T261] print_bad_irq_dependency (kernel/locking/lockdep.c:2632) [ 14.863913][ T261] check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 14.863915][ T261] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.863919][ T261] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.863921][ T261] ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147) [ 14.863924][ T261] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 14.863925][ T261] check_prev_add (kernel/locking/lockdep.c:3185) [ 14.863927][ T261] validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 14.863929][ T261] __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.863931][ T261] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.863933][ T261] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 14.863935][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.863937][ T261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.863939][ T261] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 14.863940][ T261] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 14.863942][ T261] console_emit_next_record (kernel/printk/printk.c:3177) [ 14.863944][ T261] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.863945][ T261] ? 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)) [ 14.863947][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.863949][ T261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.863951][ T261] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.863953][ T261] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.863955][ T261] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.863957][ T261] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.863959][ T261] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.863961][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.863962][ T261] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.863964][ T261] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.863966][ T261] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.863968][ T261] vprintk_emit (kernel/printk/printk.c:2479) [ 14.863970][ T261] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.863971][ T261] ? mark_lock (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:4775) [ 14.863973][ T261] _printk (kernel/printk/printk.c:2504) [ 14.863975][ T261] ? snapshot_read.cold (user.c:?) [ 14.863977][ T261] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.863978][ T261] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.863980][ T261] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.863981][ T261] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.863983][ T261] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 14.863984][ T261] ? netdev_crit (net/core/dev.c:13191) [ 14.863985][ T261] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 14.863987][ T261] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 14.863990][ T261] ? idr_get_free (??:?) [ 14.863992][ T261] ppp_xmit_process.cold (drivers/net/ppp/ppp_generic.c:1714 (discriminator 1)) ppp_generic [ 14.863994][ T261] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 14.863996][ T261] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 14.863999][ T261] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 14.864001][ T261] ? dev_nit_active_rcu (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/core/dev.c:2564 (discriminator 1)) [ 14.864004][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.864005][ T261] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 14.864008][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.864009][ T261] __dev_queue_xmit (net/core/dev.c:4926) [ 14.864011][ T261] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 14.864013][ T261] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.864015][ T261] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 14.864016][ T261] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 14.864017][ T261] ? ref_tracker_dir_print (lib/ref_tracker.c:200) [ 14.864021][ T261] ? dst_init (./include/linux/netdevice.h:4528 ./include/linux/netdevice.h:4557 net/core/dst.c:52) [ 14.864022][ T261] ? dst_alloc (net/core/dst.c:94) [ 14.864023][ T261] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 14.864025][ T261] ? ip_route_output_flow (./include/net/route.h:169 net/ipv4/route.c:2961) [ 14.864027][ T261] ? __ip_queue_xmit (net/ipv4/ip_output.c:495) [ 14.864028][ T261] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.864029][ T261] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 14.864031][ T261] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.864032][ T261] ? ip_finish_output2 (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_output.c:229 (discriminator 2)) [ 14.864034][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.864036][ T261] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 14.864038][ T261] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 14.864040][ T261] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.864041][ T261] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 14.864044][ T261] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 14.864046][ T261] ? ip_finish_output (./include/linux/cgroup.h:915) [ 14.864047][ T261] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.864049][ T261] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.864051][ T261] ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2)) [ 14.864053][ T261] __ip_queue_xmit (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:533 (discriminator 4)) [ 14.864055][ T261] l2tp_xmit_core.constprop.0 (net/l2tp/l2tp_core.c:1220 net/l2tp/l2tp_core.c:1317) l2tp_core [ 14.864058][ T261] l2tp_xmit_skb (net/l2tp/l2tp_core.c:1333) l2tp_core [ 14.864061][ T261] ? l2tp_xmit_core.constprop.0 (./include/net/sock.h:3030) l2tp_core [ 14.864064][ T261] ? 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) [ 14.864066][ T261] ? pppol2tp_xmit (./include/linux/bottom_half.h:20 (discriminator 2) net/l2tp/l2tp_ppp.c:361 (discriminator 2)) l2tp_ppp [ 14.864067][ T261] pppol2tp_xmit (net/l2tp/l2tp_ppp.c:362) l2tp_ppp [ 14.864069][ T261] ppp_push (drivers/net/ppp/ppp_generic.c:1935 drivers/net/ppp/ppp_generic.c:1905) ppp_generic [ 14.864071][ T261] ppp_xmit_process (drivers/net/ppp/ppp_generic.c:1674 drivers/net/ppp/ppp_generic.c:1700) ppp_generic [ 14.864073][ T261] ? ppp_prepare_tx_skb (drivers/net/ppp/ppp_generic.c:1849) ppp_generic [ 14.864075][ T261] ? dst_release (./include/linux/rcuref.h:174 (discriminator 1) net/core/dst.c:168 (discriminator 1)) [ 14.864077][ T261] ? down_read_nested (kernel/locking/rwsem.c:1295 (discriminator 23) kernel/locking/rwsem.c:1304 (discriminator 23) kernel/locking/rwsem.c:1710 (discriminator 23)) [ 14.864078][ T261] ppp_start_xmit (drivers/net/ppp/ppp_generic.c:1481) ppp_generic [ 14.864080][ T261] ? dev_nit_active_rcu (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/core/dev.c:2564 (discriminator 1)) [ 14.864082][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.864084][ T261] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 14.864086][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.864088][ T261] __dev_queue_xmit (net/core/dev.c:4926) [ 14.864090][ T261] ? sock_queue_err_skb (./include/linux/skbuff.h:1165) [ 14.864092][ T261] ? kmem_cache_alloc_node_noprof (mm/slub.c:5070 (discriminator 1)) [ 14.864094][ T261] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.864096][ T261] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.864097][ T261] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.864098][ T261] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 14.864100][ T261] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.864102][ T261] ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 14.864103][ T261] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.864105][ T261] ? ip_finish_output2 (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_output.c:229 (discriminator 2)) [ 14.864107][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.864109][ T261] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:236 (discriminator 3)) [ 14.864111][ T261] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 14.864112][ T261] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.864114][ T261] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 14.864116][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.864118][ T261] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 14.864120][ T261] ? ip_finish_output (./include/linux/cgroup.h:915) [ 14.864121][ T261] ? __ip_make_skb (net/ipv4/ip_output.c:1390 net/ipv4/ip_output.c:1501) [ 14.864124][ T261] ip_push_pending_frames (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:1510 (discriminator 4) net/ipv4/ip_output.c:1530 (discriminator 4)) [ 14.864126][ T261] raw_sendmsg (net/ipv4/raw.c:665) [ 14.864128][ T261] ? raw_send_hdrinc (./include/linux/skbuff.h:1165) [ 14.864129][ T261] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.864133][ T261] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.864137][ T261] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.864138][ T261] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.864140][ T261] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 14.864142][ T261] ? __ia32_sys_getpeername (net/socket.c:2235) [ 14.864146][ T261] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 14.864148][ T261] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 14.864149][ T261] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.864152][ T261] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.864153][ T261] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 14.864154][ T261] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.864156][ T261] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.864157][ T261] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.864159][ T261] RIP: 0033:0x7f4b4f8fb54e [ 14.864162][ T261] 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 [ 14.864163][ T261] RSP: 002b:00007fff49f8ba10 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 14.864166][ T261] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007f4b4f8fb54e [ 14.864167][ T261] RDX: 0000000000000040 RSI: 0000559cca2020a4 RDI: 0000000000000005 [ 14.864168][ T261] RBP: 00007fff49f8ba20 R08: 0000559cca214320 R09: 0000000000000010 [ 14.864169][ T261] R10: 0000000000000000 R11: 0000000000000202 R12: 431bde82d7b634db [ 14.864170][ T261] R13: 0000000000000000 R14: 0000559cca2153e0 R15: 0000559cca2020a0 | [ 15.878447][ T261] softirqs last disabled at (28166): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 15.878451][ T261] Preemption disabled at: | [ 15.878452][ T261] 0x0 | [ 15.878466][ T261] Tainted: [W]=WARN [ 15.878467][ T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.878469][ T261] Call Trace: [ 15.878472][ T261] [ 15.878473][ T261] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.878480][ T261] __might_resched.cold (kernel/sched/core.c:9234) [ 15.878484][ T261] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.878488][ T261] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 15.878492][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.878497][ T261] __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)) [ 15.878501][ T261] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.878504][ T261] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.878509][ T261] ? 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) [ 15.878512][ T261] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.878515][ T261] put_chars (drivers/char/virtio_console.c:1176) [ 15.878518][ T261] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.878521][ T261] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 15.878525][ T261] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.878530][ T261] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.878532][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.878535][ T261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.878538][ T261] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.878542][ T261] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.878545][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.878547][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.878550][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.878552][ T261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.878555][ T261] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 15.878557][ T261] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.878561][ T261] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.878565][ T261] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.878567][ T261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.878570][ T261] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.878572][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.878575][ T261] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.878577][ T261] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.878579][ T261] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 15.878582][ T261] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.878584][ T261] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.878587][ T261] vprintk_emit (kernel/printk/printk.c:2479) [ 15.878590][ T261] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.878593][ T261] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 15.878596][ T261] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 15.878601][ T261] _printk (kernel/printk/printk.c:2504) [ 15.878604][ T261] ? snapshot_read.cold (user.c:?) [ 15.878607][ T261] ? 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) [ 15.878609][ T261] ? 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) [ 15.878612][ T261] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.878615][ T261] ? 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) [ 15.878618][ T261] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.878621][ T261] ? exit_notify (kernel/exit.c:780) [ 15.878624][ T261] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 15.878627][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.878630][ T261] do_group_exit (kernel/exit.c:1151) [ 15.878633][ T261] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.878635][ T261] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.878638][ T261] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.878642][ T261] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.878645][ T261] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.878648][ T261] RIP: 0033:0x7f4b4f94c1b8 [ 15.878651][ T261] Code: Unable to access opcode bytes at 0x7f4b4f94c18e. Code starting with the faulting instruction =========================================== [ 15.878652][ T261] RSP: 002b:00007fff49f8d1a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.878657][ T261] RAX: ffffffffffffffda RBX: 00007f4b4fa7cf88 RCX: 00007f4b4f94c1b8 [ 15.878659][ T261] RDX: 00007f4b4f6dd7c8 RSI: ffffffffffffffb0 RDI: 0000000000000001 [ 15.878660][ T261] RBP: 00007fff49f8d200 R08: 0000000000000000 R09: 0000000000001010 [ 15.878662][ T261] R10: 00007fff49f8d020 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print print_bad_irq_dependency:check_irq_usage:check_prev_add:validate_chain:__lock_acquire __dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print