====================================== | [ 9.608403][ T202] softirqs last disabled at (18689): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.608405][ T202] Preemption disabled at: | [ 9.608406][ T202] 0x0 | [ 9.608416][ T202] Tainted: [W]=WARN [ 9.608417][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.608418][ T202] Call Trace: [ 9.608420][ T202] [ 9.608421][ T202] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.608428][ T202] __might_resched.cold (kernel/sched/core.c:9234) [ 9.608433][ T202] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.608437][ T202] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.608441][ T202] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.608443][ T202] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.608449][ T202] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.608452][ T202] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.608456][ T202] put_chars (drivers/char/virtio_console.c:1176) [ 9.608458][ T202] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.608459][ T202] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.608463][ T202] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.608468][ T202] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.608475][ T202] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.608478][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.608480][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.608484][ T202] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.608488][ T202] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.608489][ T202] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.608492][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.608494][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.608498][ T202] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.608502][ T202] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.608504][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.608509][ T202] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.608512][ T202] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.608514][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.608515][ T202] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.608519][ T202] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.608521][ T202] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.608525][ T202] vprintk_emit (kernel/printk/printk.c:2479) [ 9.608528][ T202] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.608531][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.608534][ T202] _printk (kernel/printk/printk.c:2504) [ 9.608538][ T202] ? snapshot_read.cold (user.c:?) [ 9.608541][ T202] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.608543][ T202] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.608547][ T202] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.608550][ T202] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.608553][ T202] ? exit_notify (kernel/exit.c:780) [ 9.608554][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.608557][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.608560][ T202] do_group_exit (kernel/exit.c:1151) [ 9.608563][ T202] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.608565][ T202] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.608568][ T202] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.608572][ T202] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.608574][ T202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.608577][ T202] RIP: 0033:0x7f2f5363c1b8 [ 9.608579][ T202] Code: Unable to access opcode bytes at 0x7f2f5363c18e. Code starting with the faulting instruction =========================================== [ 9.608580][ T202] RSP: 002b:00007ffe0d45a098 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.608582][ T202] RAX: ffffffffffffffda RBX: 00007f2f5376cf88 RCX: 00007f2f5363c1b8 [ 9.608584][ T202] RDX: 00007f2f53386fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.608584][ T202] RBP: 00007ffe0d45a0f0 R08: 0000000000000000 R09: 0000000000000050 [ 9.608585][ T202] R10: 00007ffe0d459eb0 R11: 0000000000000246 R12: 0000000000000001 [ 9.608586][ T202] R13: 0000000000000000 R14: 00007f2f5376b680 R15: 00007f2f5376cfa0 | [ 11.101608][ T265] softirqs last disabled at (35129): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.101610][ T265] Preemption disabled at: | [ 11.101611][ T265] 0x0 | [ 11.101621][ T265] Tainted: [W]=WARN [ 11.101621][ T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.101623][ T265] Call Trace: [ 11.101624][ T265] [ 11.101626][ T265] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.101632][ T265] __might_resched.cold (kernel/sched/core.c:9234) [ 11.101637][ T265] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.101641][ T265] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.101645][ T265] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.101647][ T265] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.101654][ T265] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.101657][ T265] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.101660][ T265] put_chars (drivers/char/virtio_console.c:1176) [ 11.101663][ T265] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.101664][ T265] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.101667][ T265] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.101673][ T265] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.101680][ T265] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.101683][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.101685][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.101689][ T265] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.101693][ T265] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.101695][ T265] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.101698][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.101700][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.101703][ T265] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.101707][ T265] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.101709][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.101715][ T265] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.101717][ T265] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.101719][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.101721][ T265] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.101725][ T265] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.101726][ T265] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.101729][ T265] vprintk_emit (kernel/printk/printk.c:2479) [ 11.101732][ T265] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.101735][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.101739][ T265] _printk (kernel/printk/printk.c:2504) [ 11.101742][ T265] ? snapshot_read.cold (user.c:?) [ 11.101745][ T265] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.101748][ T265] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.101751][ T265] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.101754][ T265] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.101758][ T265] ? exit_notify (kernel/exit.c:780) [ 11.101759][ T265] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.101762][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.101765][ T265] do_group_exit (kernel/exit.c:1151) [ 11.101768][ T265] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.101770][ T265] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.101772][ T265] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.101776][ T265] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.101779][ T265] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.101781][ T265] RIP: 0033:0x7f2f1beae1b8 [ 11.101783][ T265] Code: Unable to access opcode bytes at 0x7f2f1beae18e. Code starting with the faulting instruction =========================================== [ 11.101784][ T265] RSP: 002b:00007ffff1be9328 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.101787][ T265] RAX: ffffffffffffffda RBX: 00007f2f1bfdef88 RCX: 00007f2f1beae1b8 [ 11.101788][ T265] RDX: 00007f2f1bbf8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.101789][ T265] RBP: 00007ffff1be9380 R08: 0000000000000000 R09: 0000000000008010 [ 11.101790][ T265] R10: 00007ffff1be9140 R11: 0000000000000246 R12: 0000000000000001 [ 11.101790][ T265] R13: 0000000000000000 R14: 00007f2f1bfdd680 R15: 00007f2f1bfdefa0 | [ 26.540157][ T613] softirqs last disabled at (22680): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 26.540160][ T613] Preemption disabled at: | [ 26.540161][ T613] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.540169][ T613] Tainted: [W]=WARN [ 26.540170][ T613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.540172][ T613] Call Trace: [ 26.540173][ T613] [ 26.540175][ T613] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.540181][ T613] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.540183][ T613] __might_resched.cold (kernel/sched/core.c:9234) [ 26.540187][ T613] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.540191][ T613] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.540195][ T613] __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)) [ 26.540197][ T613] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.540204][ T613] ? 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) [ 26.540207][ T613] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.540215][ T613] put_chars (drivers/char/virtio_console.c:1176) [ 26.540217][ T613] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.540220][ T613] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 26.540225][ T613] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.540233][ T613] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.540235][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.540238][ T613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.540242][ T613] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.540246][ T613] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.540247][ T613] ? 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)) [ 26.540251][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.540252][ T613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.540256][ T613] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.540260][ T613] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.540262][ T613] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.540267][ T613] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.540270][ T613] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.540272][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.540273][ T613] ? 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) [ 26.540277][ T613] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.540279][ T613] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.540282][ T613] vprintk_emit (kernel/printk/printk.c:2479) [ 26.540284][ T613] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.540286][ T613] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.540288][ T613] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 26.540292][ T613] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.540295][ T613] _printk (kernel/printk/printk.c:2504) [ 26.540298][ T613] ? snapshot_read.cold (user.c:?) [ 26.540302][ T613] ? br_multicast_flood (??:?) [ 26.540305][ T613] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.540307][ T613] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.540308][ T613] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.540312][ T613] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 26.540316][ T613] br_init_port (net/bridge/br_stp_if.c:39) [ 26.540318][ T613] new_nbp (net/bridge/br_if.c:449) [ 26.540322][ T613] br_add_if (net/bridge/br_if.c:592) [ 26.540325][ T613] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 26.540328][ T613] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 26.540334][ T613] do_set_master (net/core/rtnetlink.c:3071) [ 26.540338][ T613] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.540341][ T613] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 26.540345][ T613] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 26.540346][ T613] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 26.540349][ T613] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 26.540352][ T613] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.540354][ T613] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.540356][ T613] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.540358][ T613] ? kasan_save_stack (mm/kasan/common.c:58) [ 26.540361][ T613] ? kasan_save_stack (mm/kasan/common.c:57) [ 26.540362][ T613] ? kasan_save_track (mm/kasan/common.c:78) [ 26.540363][ T613] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 26.540365][ T613] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.540367][ T613] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 26.540370][ T613] ? ___sys_sendmsg (net/socket.c:2758) [ 26.540374][ T613] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.540376][ T613] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.540378][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.540380][ T613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.540382][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.540383][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.540384][ T613] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 26.540387][ T613] ? __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) [ 26.540388][ T613] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 26.540390][ T613] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.540393][ T613] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 26.540394][ T613] ? nla_get_range_signed (lib/nlattr.c:270) [ 26.540399][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.540401][ T613] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 26.540406][ T613] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.540412][ T613] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.540413][ T613] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.540418][ T613] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.540420][ T613] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.540422][ T613] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.540424][ T613] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.540428][ T613] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.540429][ T613] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.540433][ T613] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.540434][ T613] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.540438][ T613] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.540440][ T613] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.540444][ T613] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.540447][ T613] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.540450][ T613] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.540456][ T613] ? 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)) [ 26.540458][ T613] ? 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)) [ 26.540462][ T613] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.540466][ T613] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.540468][ T613] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.540473][ T613] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.540476][ T613] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.540480][ T613] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.540482][ T613] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 26.540487][ T613] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.540490][ T613] ____sys_sendmsg (net/socket.c:2713) [ 26.540492][ T613] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.540494][ T613] ? sock_write_iter (net/socket.c:1269) [ 26.540496][ T613] ? move_addr_to_kernel (net/socket.c:258) [ 26.540503][ T613] ___sys_sendmsg (net/socket.c:2767) [ 26.540506][ T613] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.540521][ T613] __sys_sendmsg (net/socket.c:2799) [ 26.540526][ T613] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.540532][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.540535][ T613] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.540538][ T613] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.540541][ T613] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.540543][ T613] RIP: 0033:0x7f868694a54e [ 26.540547][ T613] 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 [ 26.540548][ T613] RSP: 002b:00007fff74dc4860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.540551][ T613] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f868694a54e [ 26.540552][ T613] RDX: 0000000000000000 RSI: 00007fff74dc4910 RDI: 0000000000000005 [ 26.540553][ T613] RBP: 00007fff74dc4870 R08: 0000000000000000 R09: 0000000000000000 [ 26.540554][ T613] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919973 [ 26.540555][ T613] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff74dc4fe0 | [ 29.275284][ T635] softirqs last disabled at (1388466): 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)) | [ 29.275286][ T635] Preemption disabled at: | [ 29.275287][ T635] 0x0 | [ 29.275297][ T635] Tainted: [W]=WARN [ 29.275298][ T635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.275300][ T635] Call Trace: [ 29.275302][ T635] [ 29.275303][ T635] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.275310][ T635] __might_resched.cold (kernel/sched/core.c:9234) [ 29.275314][ T635] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.275318][ T635] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.275322][ T635] __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)) [ 29.275325][ T635] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.275331][ T635] ? 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) [ 29.275334][ T635] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.275338][ T635] put_chars (drivers/char/virtio_console.c:1176) [ 29.275339][ T635] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 29.275342][ T635] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.275344][ T635] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.275347][ T635] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.275350][ T635] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.275354][ T635] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.275358][ T635] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.275360][ T635] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.275362][ T635] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.275366][ T635] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.275368][ T635] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 29.275372][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.275374][ T635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.275377][ T635] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.275381][ T635] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.275383][ T635] ? 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)) [ 29.275386][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.275388][ T635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.275392][ T635] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.275396][ T635] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.275398][ T635] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.275403][ T635] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.275405][ T635] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.275407][ T635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.275409][ T635] ? 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) [ 29.275413][ T635] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.275414][ T635] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.275417][ T635] vprintk_emit (kernel/printk/printk.c:2479) [ 29.275420][ T635] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.275421][ T635] ? 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) [ 29.275424][ T635] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.275428][ T635] _printk (kernel/printk/printk.c:2504) [ 29.275431][ T635] ? snapshot_read.cold (user.c:?) [ 29.275434][ T635] ? 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) [ 29.275436][ T635] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.275440][ T635] ? 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) [ 29.275443][ T635] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 29.275447][ T635] ? exit_notify (kernel/exit.c:780) [ 29.275452][ T635] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 29.275454][ T635] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 29.275456][ T635] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.275460][ T635] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.275463][ T635] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.275465][ T635] RIP: 0033:0x7f4adc847c49 [ 29.275467][ T635] Code: Unable to access opcode bytes at 0x7f4adc847c1f. Code starting with the faulting instruction =========================================== [ 29.275468][ T635] RSP: 002b:00007f4adc006e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 29.275471][ T635] RAX: ffffffffffffffda RBX: 00007f4adc0076c0 RCX: 00007f4adc847c49 [ 29.275472][ T635] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 29.275473][ T635] RBP: 00007f4adc006f70 R08: 0000000000000001 R09: 00007f4adc0076c0 [ 29.275474][ T635] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f4adb807000 [ 29.275475][ T635] R13: 00007ffc15dd4790 R14: 0000000000000002 R15: 00007ffc15dd4897 | [ 46.483788][ T1051] softirqs last disabled at (21280): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 46.483791][ T1051] Preemption disabled at: | [ 46.483791][ T1051] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.483800][ T1051] Tainted: [W]=WARN [ 46.483800][ T1051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.483802][ T1051] Call Trace: [ 46.483803][ T1051] [ 46.483805][ T1051] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.483810][ T1051] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.483812][ T1051] __might_resched.cold (kernel/sched/core.c:9234) [ 46.483816][ T1051] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.483820][ T1051] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.483825][ T1051] __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)) [ 46.483827][ T1051] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.483833][ T1051] ? 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) [ 46.483836][ T1051] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.483839][ T1051] put_chars (drivers/char/virtio_console.c:1176) [ 46.483842][ T1051] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.483843][ T1051] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.483846][ T1051] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.483852][ T1051] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.483860][ T1051] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.483862][ T1051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.483864][ T1051] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.483868][ T1051] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.483872][ T1051] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.483874][ T1051] ? 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)) [ 46.483877][ T1051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.483879][ T1051] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.483883][ T1051] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.483887][ T1051] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.483889][ T1051] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.483894][ T1051] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.483897][ T1051] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.483898][ T1051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.483900][ T1051] ? 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) [ 46.483904][ T1051] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.483905][ T1051] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.483908][ T1051] vprintk_emit (kernel/printk/printk.c:2479) [ 46.483911][ T1051] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.483913][ T1051] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.483916][ T1051] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 46.483919][ T1051] _printk (kernel/printk/printk.c:2504) [ 46.483923][ T1051] ? snapshot_read.cold (user.c:?) [ 46.483926][ T1051] ? br_multicast_flood (??:?) [ 46.483930][ T1051] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 46.483931][ T1051] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.483932][ T1051] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.483937][ T1051] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 46.483941][ T1051] br_init_port (net/bridge/br_stp_if.c:39) [ 46.483943][ T1051] new_nbp (net/bridge/br_if.c:449) [ 46.483947][ T1051] br_add_if (net/bridge/br_if.c:592) [ 46.483950][ T1051] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 46.483953][ T1051] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 46.483958][ T1051] do_set_master (net/core/rtnetlink.c:3071) [ 46.483962][ T1051] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 46.483966][ T1051] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 46.483969][ T1051] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 46.483970][ T1051] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 46.483973][ T1051] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 46.483976][ T1051] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.483978][ T1051] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.483980][ T1051] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.483982][ T1051] ? kasan_save_stack (mm/kasan/common.c:58) [ 46.483985][ T1051] ? kasan_save_stack (mm/kasan/common.c:57) [ 46.483986][ T1051] ? kasan_save_track (mm/kasan/common.c:78) [ 46.483987][ T1051] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 46.483989][ T1051] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.483991][ T1051] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 46.483994][ T1051] ? ___sys_sendmsg (net/socket.c:2758) [ 46.483998][ T1051] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.484000][ T1051] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.484003][ T1051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.484004][ T1051] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.484006][ T1051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.484007][ T1051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.484008][ T1051] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 46.484011][ T1051] ? __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) [ 46.484014][ T1051] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 46.484015][ T1051] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.484019][ T1051] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 46.484020][ T1051] ? nla_get_range_signed (lib/nlattr.c:270) [ 46.484025][ T1051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.484027][ T1051] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 46.484032][ T1051] rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.484037][ T1051] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.484039][ T1051] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.484044][ T1051] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.484045][ T1051] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.484047][ T1051] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.484049][ T1051] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.484053][ T1051] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.484055][ T1051] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.484058][ T1051] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.484059][ T1051] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.484064][ T1051] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.484066][ T1051] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.484069][ T1051] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.484072][ T1051] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.484075][ T1051] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.484082][ T1051] ? 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)) [ 46.484083][ T1051] ? 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)) [ 46.484088][ T1051] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.484092][ T1051] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.484094][ T1051] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.484099][ T1051] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.484103][ T1051] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.484107][ T1051] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.484108][ T1051] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 46.484114][ T1051] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 46.484117][ T1051] ____sys_sendmsg (net/socket.c:2713) [ 46.484119][ T1051] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.484121][ T1051] ? sock_write_iter (net/socket.c:1269) [ 46.484123][ T1051] ? move_addr_to_kernel (net/socket.c:258) [ 46.484130][ T1051] ___sys_sendmsg (net/socket.c:2767) [ 46.484133][ T1051] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.484149][ T1051] __sys_sendmsg (net/socket.c:2799) [ 46.484152][ T1051] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.484158][ T1051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.484161][ T1051] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.484164][ T1051] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.484167][ T1051] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.484169][ T1051] RIP: 0033:0x7f8aa378a54e [ 46.484173][ T1051] 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 [ 46.484174][ T1051] RSP: 002b:00007ffdb0042140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.484177][ T1051] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8aa378a54e [ 46.484178][ T1051] RDX: 0000000000000000 RSI: 00007ffdb00421f0 RDI: 0000000000000005 [ 46.484179][ T1051] RBP: 00007ffdb0042150 R08: 0000000000000000 R09: 0000000000000000 [ 46.484180][ T1051] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919987 [ 46.484181][ T1051] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb00428c0 | [ 49.171741][ T1070] softirqs last disabled at (1287682): 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)) | [ 49.171743][ T1070] Preemption disabled at: | [ 49.171744][ T1070] 0x0 | [ 49.171754][ T1070] Tainted: [W]=WARN [ 49.171755][ T1070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.171757][ T1070] Call Trace: [ 49.171759][ T1070] [ 49.171760][ T1070] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.171766][ T1070] __might_resched.cold (kernel/sched/core.c:9234) [ 49.171771][ T1070] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.171775][ T1070] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 49.171779][ T1070] __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)) [ 49.171781][ T1070] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.171787][ T1070] ? 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) [ 49.171790][ T1070] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.171794][ T1070] put_chars (drivers/char/virtio_console.c:1176) [ 49.171795][ T1070] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 49.171797][ T1070] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.171800][ T1070] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.171803][ T1070] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.171806][ T1070] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.171810][ T1070] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.171814][ T1070] ? mark_usage (kernel/locking/lockdep.c:4690) [ 49.171816][ T1070] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.171817][ T1070] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.171821][ T1070] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.171824][ T1070] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 49.171827][ T1070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.171829][ T1070] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.171833][ T1070] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.171837][ T1070] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.171839][ T1070] ? 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)) [ 49.171842][ T1070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.171844][ T1070] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.171848][ T1070] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.171852][ T1070] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.171854][ T1070] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.171859][ T1070] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.171862][ T1070] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.171863][ T1070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.171865][ T1070] ? 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) [ 49.171869][ T1070] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.171871][ T1070] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.171873][ T1070] vprintk_emit (kernel/printk/printk.c:2479) [ 49.171876][ T1070] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.171877][ T1070] ? 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) [ 49.171881][ T1070] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.171884][ T1070] _printk (kernel/printk/printk.c:2504) [ 49.171888][ T1070] ? snapshot_read.cold (user.c:?) [ 49.171890][ T1070] ? 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) [ 49.171893][ T1070] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.171897][ T1070] ? 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) [ 49.171899][ T1070] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 49.171903][ T1070] ? exit_notify (kernel/exit.c:780) [ 49.171908][ T1070] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 49.171910][ T1070] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 49.171912][ T1070] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 49.171916][ T1070] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 49.171919][ T1070] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 49.171921][ T1070] RIP: 0033:0x7fd4c6101c49 [ 49.171923][ T1070] Code: Unable to access opcode bytes at 0x7fd4c6101c1f. Code starting with the faulting instruction =========================================== [ 49.171924][ T1070] RSP: 002b:00007fd4c58c0e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 49.171927][ T1070] RAX: ffffffffffffffda RBX: 00007fd4c58c16c0 RCX: 00007fd4c6101c49 [ 49.171928][ T1070] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 49.171929][ T1070] RBP: 00007fd4c58c0f70 R08: 0000000000000001 R09: 00007fd4c58c16c0 [ 49.171930][ T1070] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fd4c50c1000 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