====================================== | [ 11.463590][ T207] softirqs last disabled at (28342): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.463593][ T207] Preemption disabled at: | [ 11.463594][ T207] 0x0 | [ 11.463605][ T207] Tainted: [W]=WARN [ 11.463606][ T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.463607][ T207] Call Trace: [ 11.463609][ T207] [ 11.463610][ T207] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.463617][ T207] __might_resched.cold (kernel/sched/core.c:9234) [ 11.463622][ T207] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.463626][ T207] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.463630][ T207] __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)) [ 11.463632][ T207] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.463639][ T207] ? 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) [ 11.463641][ T207] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.463645][ T207] put_chars (drivers/char/virtio_console.c:1176) [ 11.463647][ T207] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.463649][ T207] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.463652][ T207] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.463657][ T207] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.463665][ T207] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.463668][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.463670][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.463674][ T207] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.463678][ T207] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.463680][ T207] ? 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)) [ 11.463683][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.463684][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.463688][ T207] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.463692][ T207] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.463694][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.463699][ T207] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.463702][ T207] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.463704][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.463706][ T207] ? 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) [ 11.463710][ T207] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.463711][ T207] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.463714][ T207] vprintk_emit (kernel/printk/printk.c:2479) [ 11.463717][ T207] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.463720][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.463724][ T207] _printk (kernel/printk/printk.c:2504) [ 11.463727][ T207] ? snapshot_read.cold (user.c:?) [ 11.463730][ T207] ? 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) [ 11.463733][ T207] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.463737][ T207] ? 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) [ 11.463739][ T207] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.463743][ T207] ? exit_notify (kernel/exit.c:780) [ 11.463744][ T207] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.463747][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.463751][ T207] do_group_exit (kernel/exit.c:1151) [ 11.463753][ T207] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.463755][ T207] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.463758][ T207] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.463762][ T207] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.463765][ T207] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.463767][ T207] RIP: 0033:0x7f3086d561b8 [ 11.463769][ T207] Code: Unable to access opcode bytes at 0x7f3086d5618e. Code starting with the faulting instruction =========================================== [ 11.463770][ T207] RSP: 002b:00007ffd3f1d38b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.463773][ T207] RAX: ffffffffffffffda RBX: 00007f3086e86f88 RCX: 00007f3086d561b8 [ 11.463774][ T207] RDX: 00007f3086aa0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.463775][ T207] RBP: 00007ffd3f1d3910 R08: 0000000000000000 R09: 0000000000000050 [ 11.463776][ T207] R10: 00007ffd3f1d36d0 R11: 0000000000000246 R12: 0000000000000001 [ 11.463777][ T207] R13: 0000000000000000 R14: 00007f3086e85680 R15: 00007f3086e86fa0 | [ 13.231732][ T244] softirqs last disabled at (41297): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.231734][ T244] Preemption disabled at: | [ 13.231734][ T244] 0x0 | [ 13.231745][ T244] Tainted: [W]=WARN [ 13.231746][ T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.231748][ T244] Call Trace: [ 13.231750][ T244] [ 13.231752][ T244] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.231759][ T244] __might_resched.cold (kernel/sched/core.c:9234) [ 13.231763][ T244] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.231768][ T244] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.231772][ T244] __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)) [ 13.231774][ T244] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.231781][ T244] ? 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) [ 13.231784][ T244] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.231787][ T244] put_chars (drivers/char/virtio_console.c:1176) [ 13.231790][ T244] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.231791][ T244] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.231795][ T244] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.231800][ T244] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.231808][ T244] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.231816][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.231819][ T244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.231823][ T244] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.231827][ T244] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.231828][ T244] ? 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)) [ 13.231832][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.231833][ T244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.231837][ T244] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.231842][ T244] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.231843][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.231849][ T244] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.231852][ T244] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.231854][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.231855][ T244] ? 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) [ 13.231859][ T244] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.231861][ T244] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.231863][ T244] vprintk_emit (kernel/printk/printk.c:2479) [ 13.231867][ T244] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.231869][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.231873][ T244] _printk (kernel/printk/printk.c:2504) [ 13.231877][ T244] ? snapshot_read.cold (user.c:?) [ 13.231880][ T244] ? 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) [ 13.231882][ T244] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.231886][ T244] ? 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) [ 13.231889][ T244] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.231893][ T244] ? exit_notify (kernel/exit.c:780) [ 13.231894][ T244] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.231897][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.231901][ T244] do_group_exit (kernel/exit.c:1151) [ 13.231903][ T244] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.231905][ T244] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.231908][ T244] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.231912][ T244] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.231915][ T244] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.231917][ T244] RIP: 0033:0x7f3580bf51b8 [ 13.231919][ T244] Code: Unable to access opcode bytes at 0x7f3580bf518e. Code starting with the faulting instruction =========================================== [ 13.231920][ T244] RSP: 002b:00007ffc49fa3a18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.231923][ T244] RAX: ffffffffffffffda RBX: 00007f3580d25f88 RCX: 00007f3580bf51b8 [ 13.231924][ T244] RDX: 00007f358093ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 13.231925][ T244] RBP: 00007ffc49fa3a70 R08: 0000000000000000 R09: 0000000000000000 [ 13.231926][ T244] R10: 00007ffc49fa3830 R11: 0000000000000246 R12: 0000000000000001 [ 13.231927][ T244] R13: 0000000000000000 R14: 00007f3580d24680 R15: 00007f3580d25fa0 | [ 14.402149][ T273] softirqs last disabled at (21910): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 14.402151][ T273] Preemption disabled at: | [ 14.402152][ T273] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.402163][ T273] Tainted: [W]=WARN [ 14.402164][ T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.402166][ T273] Call Trace: [ 14.402167][ T273] [ 14.402169][ T273] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.402175][ T273] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.402177][ T273] __might_resched.cold (kernel/sched/core.c:9234) [ 14.402181][ T273] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.402186][ T273] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.402190][ T273] __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)) [ 14.402192][ T273] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.402199][ T273] ? 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) [ 14.402202][ T273] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.402206][ T273] put_chars (drivers/char/virtio_console.c:1176) [ 14.402208][ T273] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.402212][ T273] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 14.402217][ T273] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.402221][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.402227][ T273] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.402231][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.402237][ T273] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.402241][ T273] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.402243][ T273] ? 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)) [ 14.402246][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.402248][ T273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.402252][ T273] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.402257][ T273] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.402258][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.402264][ T273] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.402267][ T273] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.402269][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.402270][ T273] ? 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) [ 14.402274][ T273] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.402276][ T273] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.402278][ T273] vprintk_emit (kernel/printk/printk.c:2479) [ 14.402282][ T273] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.402283][ T273] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.402285][ T273] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 14.402289][ T273] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.402293][ T273] _printk (kernel/printk/printk.c:2504) [ 14.402297][ T273] ? snapshot_read.cold (user.c:?) [ 14.402300][ T273] ? br_multicast_flood (??:?) [ 14.402304][ T273] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 14.402305][ T273] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 14.402306][ T273] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.402311][ T273] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 14.402315][ T273] br_init_port (net/bridge/br_stp_if.c:39) [ 14.402318][ T273] new_nbp (net/bridge/br_if.c:449) [ 14.402322][ T273] br_add_if (net/bridge/br_if.c:592) [ 14.402324][ T273] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 14.402332][ T273] do_set_master (net/core/rtnetlink.c:3071) [ 14.402335][ T273] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 14.402339][ T273] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 14.402341][ T273] ? __dev_get_by_name (net/core/dev.c:905) [ 14.402343][ T273] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 14.402353][ T273] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 14.402359][ T273] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.402365][ T273] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.402367][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.402373][ T273] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.402377][ T273] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.402379][ T273] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.402382][ T273] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.402384][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.402389][ T273] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.402391][ T273] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.402395][ T273] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.402398][ T273] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.402401][ T273] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.402407][ T273] ? 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)) [ 14.402409][ T273] ? 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)) [ 14.402414][ T273] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.402418][ T273] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.402424][ T273] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.402428][ T273] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.402431][ T273] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.402433][ T273] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 14.402439][ T273] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 14.402443][ T273] ____sys_sendmsg (net/socket.c:2713) [ 14.402445][ T273] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.402447][ T273] ? sock_write_iter (net/socket.c:1269) [ 14.402449][ T273] ? move_addr_to_kernel (net/socket.c:258) [ 14.402453][ T273] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 14.402456][ T273] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.402460][ T273] ___sys_sendmsg (net/socket.c:2767) [ 14.402461][ T273] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 14.402464][ T273] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.402466][ T273] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 14.402482][ T273] __sys_sendmsg (net/socket.c:2799) [ 14.402485][ T273] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.402490][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.402492][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.402495][ T273] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.402498][ T273] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.402501][ T273] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.402503][ T273] RIP: 0033:0x7f803144c54e [ 14.402507][ T273] 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 [ 14.402509][ T273] RSP: 002b:00007ffd8eb7bc50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.402512][ T273] RAX: ffffffffffffffda RBX: 00007ffd8eb7c418 RCX: 00007f803144c54e [ 14.402513][ T273] RDX: 0000000000000000 RSI: 00007ffd8eb7bd00 RDI: 0000000000000005 [ 14.402514][ T273] RBP: 00007ffd8eb7bc60 R08: 0000000000000000 R09: 0000000000000000 [ 14.402515][ T273] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912c74 [ 14.402516][ T273] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8eb7c3d0 | [ 20.823474][ T310] softirqs last disabled at (15211): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.823476][ T310] Preemption disabled at: | [ 20.823477][ T310] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.823486][ T310] Tainted: [W]=WARN [ 20.823487][ T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.823488][ T310] Call Trace: [ 20.823490][ T310] [ 20.823492][ T310] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.823497][ T310] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.823499][ T310] __might_resched.cold (kernel/sched/core.c:9234) [ 20.823504][ T310] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.823508][ T310] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.823512][ T310] __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)) [ 20.823514][ T310] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.823521][ T310] ? 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) [ 20.823524][ T310] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.823528][ T310] put_chars (drivers/char/virtio_console.c:1176) [ 20.823530][ T310] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 20.823533][ T310] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.823535][ T310] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.823539][ T310] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.823543][ T310] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.823547][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.823549][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.823554][ T310] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.823555][ T310] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.823559][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.823561][ T310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.823565][ T310] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.823569][ T310] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.823571][ T310] ? 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)) [ 20.823574][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.823576][ T310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.823580][ T310] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.823584][ T310] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.823586][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.823592][ T310] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.823594][ T310] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.823596][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.823598][ T310] ? 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) [ 20.823602][ T310] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.823603][ T310] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.823606][ T310] vprintk_emit (kernel/printk/printk.c:2479) [ 20.823610][ T310] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.823615][ T310] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 20.823618][ T310] _printk (kernel/printk/printk.c:2504) [ 20.823622][ T310] ? snapshot_read.cold (user.c:?) [ 20.823628][ T310] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 20.823631][ T310] gact_init_module (net/sched/act_gact.c:180) act_gact [ 20.823634][ T310] do_one_initcall (init/main.c:1357) [ 20.823637][ T310] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 20.823641][ T310] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 20.823644][ T310] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 20.823650][ T310] do_init_module (kernel/module/main.c:3117) [ 20.823653][ T310] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.823657][ T310] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 20.823660][ T310] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 20.823663][ T310] load_module (kernel/module/main.c:3593) [ 20.823669][ T310] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 20.823673][ T310] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 20.823677][ T310] ? __ia32_sys_fsconfig (??:?) [ 20.823681][ T310] ? backing_file_read_iter (fs/backing-file.c:211) [ 20.823685][ T310] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.823688][ T310] init_module_from_file (kernel/module/main.c:3790) [ 20.823691][ T310] ? __do_sys_init_module (kernel/module/main.c:3664) [ 20.823699][ T310] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.823703][ T310] ? 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) [ 20.823706][ T310] idempotent_init_module (kernel/module/main.c:3802) [ 20.823708][ T310] ? init_module_from_file (kernel/module/main.c:3791) [ 20.823714][ T310] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 20.823716][ T310] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 20.823722][ T310] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 20.823723][ T310] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.823728][ T310] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.823730][ T310] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.823733][ T310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.823735][ T310] RIP: 0033:0x7f2aa404337d [ 20.823739][ T310] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 20.823741][ T310] RSP: 002b:00007ffcdfb907d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 20.823743][ T310] RAX: ffffffffffffffda RBX: 0000557185a54810 RCX: 00007f2aa404337d [ 20.823745][ T310] RDX: 0000000000000000 RSI: 000055717bd43ffd RDI: 0000000000000000 [ 20.823745][ T310] RBP: 00007ffcdfb90870 R08: 0000000000000000 R09: 0000000000000000 [ 20.823746][ T310] R10: 0000000000000000 R11: 0000000000000246 R12: 000055717bd43ffd [ 20.823747][ T310] R13: 0000557185a54960 R14: 0000000000040000 R15: 0000000000000000 | [ 27.415375][ T72] softirqs last disabled at (37372): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 27.415377][ T72] Preemption disabled at: | [ 27.415377][ T72] 0x0 | [ 27.415388][ T72] Tainted: [W]=WARN [ 27.415389][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.415391][ T72] Workqueue: netns cleanup_net [ 27.415394][ T72] Call Trace: [ 27.415396][ T72] [ 27.415398][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.415405][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 27.415410][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.415414][ T72] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.415418][ T72] __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)) [ 27.415420][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.415427][ T72] ? 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) [ 27.415429][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.415433][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 27.415436][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.415443][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.415451][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.415454][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.415459][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.415463][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.415465][ T72] ? 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)) [ 27.415468][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.415471][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.415476][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.415480][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.415482][ T72] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.415488][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.415491][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.415493][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.415494][ T72] ? 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) [ 27.415498][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.415500][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.415503][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 27.415506][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.415508][ T72] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 27.415514][ T72] _printk (kernel/printk/printk.c:2504) [ 27.415517][ T72] ? snapshot_read.cold (user.c:?) [ 27.415525][ T72] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 27.415530][ T72] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 27.415534][ T72] br_device_event (net/bridge/br.c:111) [ 27.415536][ T72] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 27.415540][ T72] ? packet_sendmsg_spkt (af_packet.c:?) [ 27.415546][ T72] notifier_call_chain (kernel/notifier.c:85) [ 27.415552][ T72] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 27.415555][ T72] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 27.415559][ T72] ? __dev_close_many (net/core/dev.c:1804) [ 27.415562][ T72] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 27.415566][ T72] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 27.415569][ T72] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 27.415571][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 27.415572][ T72] ? kthread (kernel/kthread.c:436) [ 27.415575][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 27.415577][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 27.415580][ T72] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 27.415584][ T72] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 27.415590][ T72] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 27.415593][ T72] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 27.415595][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.415598][ T72] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 27.415603][ T72] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 27.415606][ T72] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 27.415609][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 27.415611][ T72] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.415614][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 27.415619][ T72] cleanup_net (net/core/net_namespace.c:706) [ 27.415622][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 27.415626][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.415628][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.415631][ T72] process_one_work (kernel/workqueue.c:3387) [ 27.415638][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 27.415641][ T72] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.415649][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 27.415654][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.415656][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 27.415658][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.415661][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.415663][ T72] kthread (kernel/kthread.c:436) [ 27.415665][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.415668][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.415671][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 27.415674][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 27.415677][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 27.415681][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.415684][ T72] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 31.266560][ T557] softirqs last disabled at (22510): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 31.266563][ T557] Preemption disabled at: | [ 31.266564][ T557] vprintk_emit (kernel/printk/printk.c:2471) | [ 31.266576][ T557] Tainted: [W]=WARN [ 31.266577][ T557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.266580][ T557] Call Trace: [ 31.266582][ T557] [ 31.266584][ T557] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.266592][ T557] ? vprintk_emit (kernel/printk/printk.c:2471) [ 31.266595][ T557] __might_resched.cold (kernel/sched/core.c:9234) [ 31.266601][ T557] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.266607][ T557] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.266614][ T557] __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)) [ 31.266618][ T557] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.266628][ T557] ? 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) [ 31.266632][ T557] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.266638][ T557] put_chars (drivers/char/virtio_console.c:1176) [ 31.266642][ T557] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.266644][ T557] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.266650][ T557] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.266660][ T557] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.266673][ T557] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.266677][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.266680][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.266688][ T557] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.266695][ T557] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.266698][ T557] ? 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)) [ 31.266703][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.266706][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.266714][ T557] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.266721][ T557] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.266724][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.266733][ T557] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.266737][ T557] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.266740][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.266742][ T557] ? 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) [ 31.266749][ T557] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.266751][ T557] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.266756][ T557] vprintk_emit (kernel/printk/printk.c:2479) [ 31.266761][ T557] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.266764][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.266768][ T557] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 31.266774][ T557] _printk (kernel/printk/printk.c:2504) [ 31.266779][ T557] ? snapshot_read.cold (user.c:?) [ 31.266784][ T557] ? br_multicast_flood (??:?) [ 31.266788][ T557] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 31.266790][ T557] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 31.266792][ T557] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.266799][ T557] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 31.266806][ T557] br_init_port (net/bridge/br_stp_if.c:39) [ 31.266810][ T557] new_nbp (net/bridge/br_if.c:449) [ 31.266816][ T557] br_add_if (net/bridge/br_if.c:592) [ 31.266820][ T557] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 31.266825][ T557] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 31.266835][ T557] do_set_master (net/core/rtnetlink.c:3071) [ 31.266837][ T557] ? netif_change_flags (net/core/dev.c:9882) [ 31.266843][ T557] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 31.266849][ T557] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 31.266855][ T557] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 31.266857][ T557] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 31.266861][ T557] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 31.266865][ T557] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.266869][ T557] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.266872][ T557] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.266876][ T557] ? kasan_save_stack (mm/kasan/common.c:58) [ 31.266879][ T557] ? kasan_save_stack (mm/kasan/common.c:57) [ 31.266881][ T557] ? kasan_save_track (mm/kasan/common.c:78) [ 31.266883][ T557] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 31.266887][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.266890][ T557] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 31.266895][ T557] ? ___sys_sendmsg (net/socket.c:2758) [ 31.266901][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.266910][ T557] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 31.266915][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.266918][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.266921][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.266923][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.266926][ T557] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 31.266930][ T557] ? __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) [ 31.266934][ T557] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 31.266937][ T557] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 31.266943][ T557] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 31.266946][ T557] ? nla_get_range_signed (lib/nlattr.c:270) [ 31.266954][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.266958][ T557] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 31.266968][ T557] rtnl_newlink (net/core/rtnetlink.c:4215) [ 31.266978][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.266981][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.266990][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.266993][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.266996][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.267000][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.267006][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.267010][ T557] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.267016][ T557] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.267018][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.267026][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.267030][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.267036][ T557] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.267040][ T557] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.267045][ T557] ? netlink_ack (./include/linux/skbuff.h:2718) [ 31.267057][ T557] ? 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)) [ 31.267060][ T557] ? 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)) [ 31.267068][ T557] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.267075][ T557] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.267079][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.267087][ T557] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.267094][ T557] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.267101][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.267104][ T557] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 31.267113][ T557] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 31.267117][ T557] ____sys_sendmsg (net/socket.c:2713) [ 31.267121][ T557] ? copy_msghdr_from_user (net/socket.c:2650) [ 31.267125][ T557] ? sock_write_iter (net/socket.c:1269) [ 31.267128][ T557] ? move_addr_to_kernel (net/socket.c:258) [ 31.267142][ T557] ___sys_sendmsg (net/socket.c:2767) [ 31.267146][ T557] ? copy_msghdr_from_user (net/socket.c:2619) [ 31.267180][ T557] __sys_sendmsg (net/socket.c:2799) [ 31.267185][ T557] ? __sys_sendmsg_sock (net/socket.c:2780) [ 31.267197][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.267203][ T557] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.267207][ T557] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.267212][ T557] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.267215][ T557] RIP: 0033:0x7f8d806e754e [ 31.267220][ T557] 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 [ 31.267223][ T557] RSP: 002b:00007fffc66a4890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.267227][ T557] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8d806e754e [ 31.267230][ T557] RDX: 0000000000000000 RSI: 00007fffc66a4940 RDI: 0000000000000005 [ 31.267231][ T557] RBP: 00007fffc66a48a0 R08: 0000000000000000 R09: 0000000000000000 [ 31.267233][ T557] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912c85 [ 31.267234][ T557] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc66a5010 | [ 39.308164][ T72] softirqs last disabled at (233664): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 39.308166][ T72] Preemption disabled at: | [ 39.308167][ T72] 0x0 | [ 39.308178][ T72] Tainted: [W]=WARN [ 39.308179][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.308180][ T72] Workqueue: netns cleanup_net [ 39.308184][ T72] Call Trace: [ 39.308185][ T72] [ 39.308188][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.308194][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 39.308199][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.308203][ T72] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.308208][ T72] __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)) [ 39.308209][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.308216][ T72] ? 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) [ 39.308219][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.308222][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 39.308225][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.308233][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.308241][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.308244][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.308249][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.308253][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.308255][ T72] ? 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)) [ 39.308258][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.308261][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.308265][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.308270][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.308271][ T72] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.308277][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.308280][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.308282][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.308284][ T72] ? 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) [ 39.308288][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.308289][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.308292][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 39.308295][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.308297][ T72] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 39.308299][ T72] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.308301][ T72] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.308306][ T72] _printk (kernel/printk/printk.c:2504) [ 39.308310][ T72] ? snapshot_read.cold (user.c:?) [ 39.308318][ T72] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 39.308323][ T72] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 39.308326][ T72] br_device_event (net/bridge/br.c:111) [ 39.308328][ T72] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 39.308332][ T72] ? packet_sendmsg_spkt (af_packet.c:?) [ 39.308338][ T72] notifier_call_chain (kernel/notifier.c:85) [ 39.308344][ T72] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 39.308347][ T72] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 39.308351][ T72] ? __dev_close_many (net/core/dev.c:1804) [ 39.308354][ T72] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 39.308358][ T72] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 39.308361][ T72] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 39.308363][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 39.308365][ T72] ? kthread (kernel/kthread.c:436) [ 39.308367][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 39.308370][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 39.308373][ T72] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 39.308376][ T72] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 39.308382][ T72] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 39.308385][ T72] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 39.308388][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.308390][ T72] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 39.308395][ T72] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 39.308398][ T72] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 39.308401][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 39.308403][ T72] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.308406][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 39.308411][ T72] cleanup_net (net/core/net_namespace.c:706) [ 39.308414][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 39.308418][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.308420][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.308423][ T72] process_one_work (kernel/workqueue.c:3387) [ 39.308430][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 39.308433][ T72] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.308441][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 39.308446][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.308448][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 39.308450][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.308453][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.308455][ T72] kthread (kernel/kthread.c:436) [ 39.308457][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.308460][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.308463][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 39.308466][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 39.308470][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 39.308473][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.308476][ T72] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 43.069249][ T757] softirqs last disabled at (23667): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 43.069252][ T757] Preemption disabled at: | [ 43.069253][ T757] vprintk_emit (kernel/printk/printk.c:2471) | [ 43.069265][ T757] Tainted: [W]=WARN [ 43.069266][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.069268][ T757] Call Trace: [ 43.069271][ T757] [ 43.069273][ T757] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.069280][ T757] ? vprintk_emit (kernel/printk/printk.c:2471) [ 43.069283][ T757] __might_resched.cold (kernel/sched/core.c:9234) [ 43.069289][ T757] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.069295][ T757] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.069301][ T757] __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)) [ 43.069305][ T757] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.069314][ T757] ? 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) [ 43.069318][ T757] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.069324][ T757] put_chars (drivers/char/virtio_console.c:1176) [ 43.069328][ T757] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.069330][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.069336][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.069345][ T757] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.069357][ T757] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.069361][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.069365][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.069371][ T757] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.069378][ T757] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.069380][ T757] ? 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)) [ 43.069386][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.069389][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.069395][ T757] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.069402][ T757] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.069405][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.069415][ T757] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.069420][ T757] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.069422][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.069425][ T757] ? 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) [ 43.069431][ T757] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.069434][ T757] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.069439][ T757] vprintk_emit (kernel/printk/printk.c:2479) [ 43.069444][ T757] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.069448][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.069452][ T757] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.069458][ T757] _printk (kernel/printk/printk.c:2504) [ 43.069464][ T757] ? snapshot_read.cold (user.c:?) [ 43.069470][ T757] ? br_multicast_flood (??:?) [ 43.069474][ T757] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 43.069477][ T757] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 43.069479][ T757] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 43.069486][ T757] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 43.069493][ T757] br_init_port (net/bridge/br_stp_if.c:39) [ 43.069497][ T757] new_nbp (net/bridge/br_if.c:449) [ 43.069503][ T757] br_add_if (net/bridge/br_if.c:592) [ 43.069507][ T757] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 43.069513][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 43.069522][ T757] do_set_master (net/core/rtnetlink.c:3071) [ 43.069524][ T757] ? netif_change_flags (net/core/dev.c:9882) [ 43.069530][ T757] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 43.069535][ T757] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 43.069540][ T757] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 43.069542][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 43.069546][ T757] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 43.069551][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.069554][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.069556][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.069560][ T757] ? kasan_save_stack (mm/kasan/common.c:58) [ 43.069563][ T757] ? kasan_save_stack (mm/kasan/common.c:57) [ 43.069565][ T757] ? kasan_save_track (mm/kasan/common.c:78) [ 43.069568][ T757] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 43.069571][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.069574][ T757] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 43.069579][ T757] ? ___sys_sendmsg (net/socket.c:2758) [ 43.069585][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.069588][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 43.069592][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.069595][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.069598][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.069600][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.069602][ T757] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 43.069606][ T757] ? __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) [ 43.069609][ T757] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 43.069612][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 43.069619][ T757] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 43.069621][ T757] ? nla_get_range_signed (lib/nlattr.c:270) [ 43.069629][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.069633][ T757] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 43.069643][ T757] rtnl_newlink (net/core/rtnetlink.c:4215) [ 43.069652][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.069656][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.069664][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.069667][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.069670][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.069673][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.069680][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.069683][ T757] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 43.069689][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.069691][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.069699][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.069702][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.069708][ T757] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 43.069712][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.069717][ T757] ? netlink_ack (./include/linux/skbuff.h:2718) [ 43.069729][ T757] ? 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)) [ 43.069732][ T757] ? 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)) [ 43.069740][ T757] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 43.069747][ T757] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.069751][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.069759][ T757] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 43.069765][ T757] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.069771][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.069774][ T757] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 43.069782][ T757] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 43.069787][ T757] ____sys_sendmsg (net/socket.c:2713) [ 43.069791][ T757] ? copy_msghdr_from_user (net/socket.c:2650) [ 43.069794][ T757] ? sock_write_iter (net/socket.c:1269) [ 43.069797][ T757] ? move_addr_to_kernel (net/socket.c:258) [ 43.069810][ T757] ___sys_sendmsg (net/socket.c:2767) [ 43.069814][ T757] ? copy_msghdr_from_user (net/socket.c:2619) [ 43.069844][ T757] __sys_sendmsg (net/socket.c:2799) [ 43.069849][ T757] ? __sys_sendmsg_sock (net/socket.c:2780) [ 43.069860][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.069866][ T757] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 43.069870][ T757] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 43.069875][ T757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.069878][ T757] RIP: 0033:0x7f0f4450554e [ 43.069883][ T757] 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 [ 43.069886][ T757] RSP: 002b:00007ffea5216040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 43.069890][ T757] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0f4450554e [ 43.069892][ T757] RDX: 0000000000000000 RSI: 00007ffea52160f0 RDI: 0000000000000005 [ 43.069893][ T757] RBP: 00007ffea5216050 R08: 0000000000000000 R09: 0000000000000000 [ 43.069895][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912c91 [ 43.069896][ T757] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea52167c0 | [ 58.323243][ C3] softirqs last disabled at (1714231): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 58.323245][ C3] Preemption disabled at: | [ 58.323246][ C3] 0x0 | [ 58.323256][ C3] Tainted: [W]=WARN [ 58.323257][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 58.323258][ C3] Call Trace: [ 58.323260][ C3] [ 58.323262][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 58.323267][ C3] __might_resched.cold (kernel/sched/core.c:9234) [ 58.323271][ C3] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 58.323274][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 58.323278][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.323281][ C3] __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)) [ 58.323283][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.323286][ C3] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.323291][ C3] ? 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) [ 58.323292][ C3] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.323295][ C3] put_chars (drivers/char/virtio_console.c:1176) [ 58.323296][ C3] ? __send_to_port (drivers/char/virtio_console.c:654) [ 58.323298][ C3] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 58.323301][ C3] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 58.323306][ C3] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 58.323307][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.323309][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.323311][ C3] console_emit_next_record (kernel/printk/printk.c:3183) [ 58.323314][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 58.323316][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.323317][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.323318][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.323319][ C3] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 58.323321][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 58.323324][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 58.323326][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 58.323328][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.323330][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 58.323331][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.323332][ C3] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.323334][ C3] ? 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) [ 58.323336][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 58.323338][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 58.323339][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 58.323341][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 58.323343][ C3] _printk (kernel/printk/printk.c:2504) [ 58.323346][ C3] ? snapshot_read.cold (user.c:?) [ 58.323348][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 58.323351][ C3] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 58.323352][ C3] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 58.323354][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 58.323357][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 58.323358][ C3] ? queued_spin_lock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1279 ./arch/x86/include/asm/paravirt-spinlock.h:144 kernel/locking/qspinlock.c:163) [ 58.323361][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 58.323363][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 58.323365][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 58.323367][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 58.323369][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 58.323372][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.323373][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.323375][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 58.323376][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 58.323378][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 58.323379][ C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 58.323380][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 58.323382][ C3] call_timer_fn (kernel/time/timer.c:1748) [ 58.323385][ C3] ? detach_if_pending (./include/linux/list.h:1159) [ 58.323387][ C3] ? debug_object_active_state (lib/debugobjects.c:1122) [ 58.323390][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 58.323392][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 58.323394][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.323396][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 58.323397][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 58.323399][ C3] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 58.323401][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 58.323404][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.323406][ C3] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 58.323408][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 58.323410][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 58.323413][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.323414][ C3] handle_softirqs (kernel/softirq.c:645) [ 58.323416][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 58.323418][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 58.323420][ C3] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 58.323421][ C3] irq_exit_rcu (kernel/softirq.c:784) [ 58.323423][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 58.323425][ C3] [ 58.323426][ C3] [ 58.323426][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 58.323428][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 58.323430][ C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 58.323432][ C3] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 58.323434][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 58.323437][ C3] RAX: 00000000001a2835 RBX: ff11000001cb8040 RCX: ffffffff91f06247 [ 58.323438][ C3] RDX: ff11000001cb8040 RSI: ffffffff95111027 RDI: ffffffff94a949e0 [ 58.323439][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 58.323440][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 58.323440][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 58.323442][ C3] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 58.323445][ C3] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 58.323447][ C3] default_idle_call (kernel/sched/idle.c:122) [ 58.323449][ C3] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 58.323450][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 58.323452][ C3] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 58.323455][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 58.323456][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.323457][ C3] do_idle (kernel/sched/idle.c:355) [ 58.323459][ C3] cpu_startup_entry (kernel/sched/idle.c:454) [ 58.323460][ C3] start_secondary (arch/x86/kernel/smpboot.c:312) [ 58.323462][ C3] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 58.323464][ C3] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 58.380647][ C3] | [ 58.380712][ C3] | [ 58.380712][ C3] stack backtrace: | [ 58.380925][ C3] Tainted: [W]=WARN [ 58.380926][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 58.380927][ C3] Call Trace: [ 58.380928][ C3] [ 58.380929][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 58.380933][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 58.380935][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 58.380937][ C3] ? queued_spin_lock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1279 ./arch/x86/include/asm/paravirt-spinlock.h:144 kernel/locking/qspinlock.c:163) [ 58.380940][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 58.380942][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 58.380944][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 58.380947][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 58.380948][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 58.380950][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.380952][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.380954][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 58.380955][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 58.380956][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 58.380957][ C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 58.380959][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 58.380960][ C3] call_timer_fn (kernel/time/timer.c:1748) [ 58.380962][ C3] ? detach_if_pending (./include/linux/list.h:1159) [ 58.380964][ C3] ? debug_object_active_state (lib/debugobjects.c:1122) [ 58.380967][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 58.380969][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 58.380970][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.380972][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 58.380974][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 58.380975][ C3] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 58.380977][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 58.380980][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.380983][ C3] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 58.380985][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 58.380986][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 58.380989][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.380990][ C3] handle_softirqs (kernel/softirq.c:645) [ 58.380992][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 58.380994][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 58.380996][ C3] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 58.380997][ C3] irq_exit_rcu (kernel/softirq.c:784) [ 58.380999][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 58.381000][ C3] [ 58.381001][ C3] [ 58.381001][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 58.381003][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 58.381004][ C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 58.381006][ C3] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 58.381007][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 58.381009][ C3] RAX: 00000000001a2835 RBX: ff11000001cb8040 RCX: ffffffff91f06247 [ 58.381011][ C3] RDX: ff11000001cb8040 RSI: ffffffff95111027 RDI: ffffffff94a949e0 [ 58.381011][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 58.381012][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 58.381013][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 58.381014][ C3] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 58.381016][ C3] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 58.381018][ C3] default_idle_call (kernel/sched/idle.c:122) [ 58.381019][ C3] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 58.381021][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 58.381023][ C3] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 58.381030][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 58.381031][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.381033][ C3] do_idle (kernel/sched/idle.c:355) [ 58.381034][ C3] cpu_startup_entry (kernel/sched/idle.c:454) [ 58.381036][ C3] start_secondary (arch/x86/kernel/smpboot.c:312) [ 58.381037][ C3] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 58.381040][ C3] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 63.487941][ T72] softirqs last disabled at (429132): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 63.487943][ T72] Preemption disabled at: | [ 63.487944][ T72] 0x0 | [ 63.487954][ T72] Tainted: [W]=WARN [ 63.487955][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.487957][ T72] Workqueue: netns cleanup_net [ 63.487963][ T72] Call Trace: [ 63.487964][ T72] [ 63.487966][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 63.487972][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 63.487975][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 63.487979][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.487982][ T72] __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)) [ 63.487985][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.487988][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.487992][ T72] ? 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) [ 63.487994][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.487996][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 63.487998][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 63.487999][ T72] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 63.488002][ T72] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 63.488004][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 63.488009][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 63.488010][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.488012][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.488015][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 63.488017][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 63.488019][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.488020][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.488021][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.488022][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.488024][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 63.488026][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 63.488028][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 63.488031][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 63.488032][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.488034][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 63.488035][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.488036][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.488038][ T72] ? 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) [ 63.488039][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 63.488041][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 63.488042][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 63.488044][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 63.488055][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 63.488056][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.488057][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 63.488060][ T72] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 63.488062][ T72] _printk (kernel/printk/printk.c:2504) [ 63.488065][ T72] ? snapshot_read.cold (user.c:?) [ 63.488067][ T72] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 63.488070][ T72] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 63.488074][ T72] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 63.488077][ T72] br_device_event (net/bridge/br.c:111) [ 63.488080][ T72] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 63.488083][ T72] ? packet_sendmsg_spkt (af_packet.c:?) [ 63.488086][ T72] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 63.488090][ T72] notifier_call_chain (kernel/notifier.c:85) [ 63.488094][ T72] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 63.488097][ T72] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 63.488100][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.488103][ T72] ? __dev_close_many (net/core/dev.c:1804) [ 63.488104][ T72] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 63.488107][ T72] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 63.488109][ T72] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 63.488110][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 63.488114][ T72] ? kthread (kernel/kthread.c:436) [ 63.488115][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 63.488118][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 63.488121][ T72] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 63.488122][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.488123][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 63.488125][ T72] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 63.488127][ T72] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 63.488128][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.488130][ T72] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 63.488131][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 63.488133][ T72] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 63.488135][ T72] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 63.488137][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 63.488139][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 63.488142][ T72] cleanup_net (net/core/net_namespace.c:706) [ 63.488144][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 63.488145][ T72] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 63.488147][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.488149][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.488150][ T72] process_one_work (kernel/workqueue.c:3387) [ 63.488153][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 63.488155][ T72] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 63.488157][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.488163][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 63.488165][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 63.488167][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 63.488169][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 63.488171][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 63.488172][ T72] kthread (kernel/kthread.c:436) [ 63.488174][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 63.488175][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 63.488177][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 63.488179][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 63.488181][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 63.488183][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 63.488185][ T72] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 65.346864][ T1034] softirqs last disabled at (0): 0x0 | [ 65.346866][ T1034] Preemption disabled at: | [ 65.346866][ T1034] vprintk_emit (kernel/printk/printk.c:2471) | [ 65.346876][ T1034] Tainted: [W]=WARN [ 65.346877][ T1034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.346879][ T1034] Call Trace: [ 65.346881][ T1034] [ 65.346882][ T1034] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 65.346888][ T1034] ? vprintk_emit (kernel/printk/printk.c:2471) [ 65.346889][ T1034] __might_resched.cold (kernel/sched/core.c:9234) [ 65.346893][ T1034] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.346897][ T1034] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 65.346900][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.346903][ T1034] __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)) [ 65.346905][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.346908][ T1034] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.346913][ T1034] ? 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) [ 65.346915][ T1034] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.346918][ T1034] put_chars (drivers/char/virtio_console.c:1176) [ 65.346919][ T1034] ? __send_to_port (drivers/char/virtio_console.c:654) [ 65.346921][ T1034] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 65.346923][ T1034] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 65.346928][ T1034] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 65.346930][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.346931][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.346934][ T1034] console_emit_next_record (kernel/printk/printk.c:3183) [ 65.346936][ T1034] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 65.346938][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.346939][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.346940][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.346941][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.346943][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 65.346945][ T1034] console_flush_one_record (kernel/printk/printk.c:3268) [ 65.346947][ T1034] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 65.346950][ T1034] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 65.346952][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.346953][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 65.346955][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.346956][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.346957][ T1034] ? 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) [ 65.346959][ T1034] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 65.346960][ T1034] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 65.346962][ T1034] ? vprintk_emit (kernel/printk/printk.c:2478) [ 65.346963][ T1034] vprintk_emit (kernel/printk/printk.c:2479) [ 65.346965][ T1034] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 65.346966][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.346968][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 65.346971][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.346972][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.346974][ T1034] _printk (kernel/printk/printk.c:2504) [ 65.346977][ T1034] ? snapshot_read.cold (user.c:?) [ 65.346979][ T1034] ? br_multicast_flood (??:?) [ 65.346983][ T1034] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 65.346985][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 65.346987][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 65.346988][ T1034] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 65.346991][ T1034] br_init_port (net/bridge/br_stp_if.c:39) [ 65.346993][ T1034] new_nbp (net/bridge/br_if.c:449) [ 65.346995][ T1034] br_add_if (net/bridge/br_if.c:592) [ 65.346996][ T1034] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 65.347000][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 65.347003][ T1034] do_set_master (net/core/rtnetlink.c:3071) [ 65.347004][ T1034] ? netif_change_flags (net/core/dev.c:9882) [ 65.347006][ T1034] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 65.347008][ T1034] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 65.347009][ T1034] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 65.347010][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.347011][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 65.347015][ T1034] ? kasan_save_stack (mm/kasan/common.c:58) [ 65.347016][ T1034] ? kasan_save_stack (mm/kasan/common.c:57) [ 65.347017][ T1034] ? kasan_save_track (mm/kasan/common.c:78) [ 65.347019][ T1034] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 65.347020][ T1034] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 65.347021][ T1034] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 65.347022][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 65.347023][ T1034] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 65.347026][ T1034] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 65.347027][ T1034] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 65.347029][ T1034] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 65.347031][ T1034] ? ____sys_sendmsg (net/socket.c:2713) [ 65.347033][ T1034] ? ___sys_sendmsg (net/socket.c:2767) [ 65.347034][ T1034] ? __sys_sendmsg (net/socket.c:2799) [ 65.347036][ T1034] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 65.347039][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 65.347042][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.347043][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.347044][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.347045][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.347046][ T1034] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 65.347048][ T1034] ? __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) [ 65.347050][ T1034] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 65.347051][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 65.347052][ T1034] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 65.347060][ T1034] ? nla_get_range_signed (lib/nlattr.c:270) [ 65.347063][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.347065][ T1034] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 65.347067][ T1034] rtnl_newlink (net/core/rtnetlink.c:4215) [ 65.347069][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.347070][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 65.347071][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.347073][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.347074][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 65.347077][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 65.347079][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 65.347082][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.347084][ T1034] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 65.347088][ T1034] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 65.347091][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.347092][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.347094][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.347095][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 65.347096][ T1034] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 65.347098][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 65.347099][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 65.347101][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 65.347103][ T1034] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 65.347104][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 65.347106][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.347107][ T1034] ? netlink_ack (./include/linux/skbuff.h:2718) [ 65.347109][ T1034] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 65.347112][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.347113][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.347115][ T1034] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 65.347117][ T1034] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 65.347119][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 65.347121][ T1034] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 65.347123][ T1034] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 65.347124][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 65.347126][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.347127][ T1034] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 65.347131][ T1034] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 65.347133][ T1034] ____sys_sendmsg (net/socket.c:2713) [ 65.347134][ T1034] ? copy_msghdr_from_user (net/socket.c:2650) [ 65.347136][ T1034] ? sock_write_iter (net/socket.c:1269) [ 65.347137][ T1034] ? move_addr_to_kernel (net/socket.c:258) [ 65.347139][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 65.347141][ T1034] ___sys_sendmsg (net/socket.c:2767) [ 65.347143][ T1034] ? copy_msghdr_from_user (net/socket.c:2619) [ 65.347148][ T1034] __sys_sendmsg (net/socket.c:2799) [ 65.347149][ T1034] ? __sys_sendmsg_sock (net/socket.c:2780) [ 65.347152][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.347154][ T1034] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 65.347155][ T1034] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 65.347157][ T1034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 65.347159][ T1034] RIP: 0033:0x7fd8de8ac54e [ 65.347163][ T1034] 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 [ 65.347165][ T1034] RSP: 002b:00007ffeefb09d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 65.347169][ T1034] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd8de8ac54e [ 65.347170][ T1034] RDX: 0000000000000000 RSI: 00007ffeefb09db0 RDI: 0000000000000005 [ 65.347171][ T1034] RBP: 00007ffeefb09d10 R08: 0000000000000000 R09: 0000000000000000 [ 65.347172][ T1034] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ca7 [ 65.347173][ T1034] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeefb0a480 | [ 72.117014][ T72] softirqs last disabled at (429132): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 72.117016][ T72] Preemption disabled at: | [ 72.117016][ T72] 0x0 | [ 72.117027][ T72] Tainted: [W]=WARN [ 72.117029][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 72.117030][ T72] Workqueue: netns cleanup_net [ 72.117036][ T72] Call Trace: [ 72.117037][ T72] [ 72.117039][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 72.117044][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 72.117048][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 72.117052][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.117055][ T72] __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)) [ 72.117058][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.117061][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.117065][ T72] ? 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) [ 72.117067][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.117069][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 72.117071][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 72.117072][ T72] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 72.117075][ T72] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 72.117079][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 72.117091][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 72.117094][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.117096][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.117098][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 72.117101][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 72.117103][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.117104][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.117105][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.117106][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.117108][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 72.117110][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 72.117112][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 72.117115][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 72.117117][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.117118][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 72.117120][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.117121][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 72.117122][ T72] ? 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) [ 72.117124][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 72.117125][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 72.117127][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 72.117129][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 72.117130][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 72.117131][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.117132][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 72.117136][ T72] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 72.117138][ T72] _printk (kernel/printk/printk.c:2504) [ 72.117141][ T72] ? snapshot_read.cold (user.c:?) [ 72.117143][ T72] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 72.117146][ T72] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 72.117150][ T72] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 72.117151][ T72] br_device_event (net/bridge/br.c:111) [ 72.117154][ T72] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 72.117156][ T72] ? packet_sendmsg_spkt (af_packet.c:?) [ 72.117157][ T72] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 72.117163][ T72] notifier_call_chain (kernel/notifier.c:85) [ 72.117166][ T72] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 72.117169][ T72] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 72.117171][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.117173][ T72] ? __dev_close_many (net/core/dev.c:1804) [ 72.117174][ T72] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 72.117177][ T72] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 72.117178][ T72] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 72.117180][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 72.117183][ T72] ? kthread (kernel/kthread.c:436) [ 72.117185][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 72.117187][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 72.117189][ T72] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 72.117191][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.117192][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 72.117194][ T72] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 72.117196][ T72] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 72.117197][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.117199][ T72] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 72.117200][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 72.117202][ T72] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 72.117205][ T72] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 72.117207][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 72.117209][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 72.117212][ T72] cleanup_net (net/core/net_namespace.c:706) [ 72.117214][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 72.117216][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.117217][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.117219][ T72] process_one_work (kernel/workqueue.c:3387) [ 72.117221][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 72.117223][ T72] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 72.117226][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.117228][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 72.117231][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 72.117232][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 72.117234][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 72.117236][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 72.117238][ T72] kthread (kernel/kthread.c:436) [ 72.117239][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 72.117241][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 72.117243][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 72.117244][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 72.117246][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 72.117249][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 72.117251][ T72] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 73.994512][ T1247] softirqs last disabled at (0): 0x0 | [ 73.994514][ T1247] Preemption disabled at: | [ 73.994515][ T1247] vprintk_emit (kernel/printk/printk.c:2471) | [ 73.994525][ T1247] Tainted: [W]=WARN [ 73.994526][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 73.994527][ T1247] Call Trace: [ 73.994529][ T1247] [ 73.994530][ T1247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 73.994536][ T1247] ? vprintk_emit (kernel/printk/printk.c:2471) [ 73.994537][ T1247] __might_resched.cold (kernel/sched/core.c:9234) [ 73.994541][ T1247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 73.994544][ T1247] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 73.994548][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994551][ T1247] __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)) [ 73.994553][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 73.994556][ T1247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 73.994561][ T1247] ? 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) [ 73.994562][ T1247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 73.994565][ T1247] put_chars (drivers/char/virtio_console.c:1176) [ 73.994566][ T1247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 73.994568][ T1247] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 73.994570][ T1247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 73.994575][ T1247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 73.994577][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994578][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.994581][ T1247] console_emit_next_record (kernel/printk/printk.c:3183) [ 73.994583][ T1247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 73.994585][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994586][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994587][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994588][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.994590][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 73.994591][ T1247] console_flush_one_record (kernel/printk/printk.c:3268) [ 73.994594][ T1247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 73.994596][ T1247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 73.994598][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.994600][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 73.994601][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994602][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.994604][ T1247] ? 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) [ 73.994605][ T1247] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 73.994607][ T1247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 73.994609][ T1247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 73.994610][ T1247] vprintk_emit (kernel/printk/printk.c:2479) [ 73.994612][ T1247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 73.994613][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 73.994614][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 73.994617][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.994619][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994620][ T1247] _printk (kernel/printk/printk.c:2504) [ 73.994623][ T1247] ? snapshot_read.cold (user.c:?) [ 73.994625][ T1247] ? br_multicast_flood (??:?) [ 73.994629][ T1247] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 73.994632][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 73.994633][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 73.994635][ T1247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 73.994637][ T1247] br_init_port (net/bridge/br_stp_if.c:39) [ 73.994639][ T1247] new_nbp (net/bridge/br_if.c:449) [ 73.994641][ T1247] br_add_if (net/bridge/br_if.c:592) [ 73.994643][ T1247] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 73.994646][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 73.994649][ T1247] do_set_master (net/core/rtnetlink.c:3071) [ 73.994650][ T1247] ? netif_change_flags (net/core/dev.c:9882) [ 73.994653][ T1247] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 73.994654][ T1247] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 73.994656][ T1247] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 73.994657][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994658][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 73.994661][ T1247] ? kasan_save_stack (mm/kasan/common.c:58) [ 73.994663][ T1247] ? kasan_save_stack (mm/kasan/common.c:57) [ 73.994664][ T1247] ? kasan_save_track (mm/kasan/common.c:78) [ 73.994665][ T1247] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 73.994666][ T1247] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 73.994667][ T1247] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 73.994668][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 73.994669][ T1247] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 73.994672][ T1247] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 73.994673][ T1247] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 73.994675][ T1247] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 73.994677][ T1247] ? ____sys_sendmsg (net/socket.c:2713) [ 73.994679][ T1247] ? ___sys_sendmsg (net/socket.c:2767) [ 73.994680][ T1247] ? __sys_sendmsg (net/socket.c:2799) [ 73.994682][ T1247] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 73.994685][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 73.994687][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994688][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.994690][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994691][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994692][ T1247] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 73.994693][ T1247] ? __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) [ 73.994695][ T1247] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 73.994696][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 73.994697][ T1247] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 73.994698][ T1247] ? nla_get_range_signed (lib/nlattr.c:270) [ 73.994701][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994703][ T1247] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 73.994705][ T1247] rtnl_newlink (net/core/rtnetlink.c:4215) [ 73.994707][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994708][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 73.994709][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.994710][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994711][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 73.994714][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 73.994715][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 73.994717][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994718][ T1247] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 73.994721][ T1247] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 73.994723][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994724][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.994726][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994727][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 73.994728][ T1247] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 73.994730][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 73.994731][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 73.994732][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 73.994735][ T1247] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 73.994736][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 73.994738][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.994739][ T1247] ? netlink_ack (./include/linux/skbuff.h:2718) [ 73.994741][ T1247] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 73.994744][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994745][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.994747][ T1247] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 73.994749][ T1247] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 73.994750][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 73.994752][ T1247] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 73.994754][ T1247] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 73.994756][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 73.994757][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.994759][ T1247] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 73.994762][ T1247] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 73.994764][ T1247] ____sys_sendmsg (net/socket.c:2713) [ 73.994765][ T1247] ? copy_msghdr_from_user (net/socket.c:2650) [ 73.994767][ T1247] ? sock_write_iter (net/socket.c:1269) [ 73.994768][ T1247] ? move_addr_to_kernel (net/socket.c:258) [ 73.994770][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 73.994772][ T1247] ___sys_sendmsg (net/socket.c:2767) [ 73.994774][ T1247] ? copy_msghdr_from_user (net/socket.c:2619) [ 73.994779][ T1247] __sys_sendmsg (net/socket.c:2799) [ 73.994781][ T1247] ? __sys_sendmsg_sock (net/socket.c:2780) [ 73.994783][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.994785][ T1247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 73.994787][ T1247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 73.994788][ T1247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 73.994790][ T1247] RIP: 0033:0x7f4efc86354e [ 73.994792][ T1247] 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 [ 73.994793][ T1247] RSP: 002b:00007fff119346b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 73.994797][ T1247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4efc86354e [ 73.994798][ T1247] RDX: 0000000000000000 RSI: 00007fff11934760 RDI: 0000000000000005 [ 73.994799][ T1247] RBP: 00007fff119346c0 R08: 0000000000000000 R09: 0000000000000000 [ 73.994800][ T1247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912cb0 [ 73.994801][ T1247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff11934e30 | [ 82.278107][ T72] softirqs last disabled at (429132): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 82.278110][ T72] Preemption disabled at: | [ 82.278110][ T72] 0x0 | [ 82.278121][ T72] Tainted: [W]=WARN [ 82.278122][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 82.278123][ T72] Workqueue: netns cleanup_net [ 82.278135][ T72] Call Trace: [ 82.278137][ T72] [ 82.278139][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 82.278145][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 82.278148][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 82.278152][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.278155][ T72] __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)) [ 82.278158][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.278164][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.278168][ T72] ? 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) [ 82.278170][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.278173][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 82.278174][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 82.278175][ T72] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 82.278178][ T72] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 82.278181][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 82.278185][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 82.278187][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.278188][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.278191][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 82.278193][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 82.278195][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.278196][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.278197][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.278198][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.278200][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 82.278202][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 82.278204][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 82.278207][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 82.278209][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.278210][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 82.278212][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.278213][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.278214][ T72] ? 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) [ 82.278216][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 82.278217][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 82.278219][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 82.278220][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 82.278222][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 82.278223][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.278225][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 82.278229][ T72] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 82.278231][ T72] _printk (kernel/printk/printk.c:2504) [ 82.278234][ T72] ? snapshot_read.cold (user.c:?) [ 82.278236][ T72] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 82.278239][ T72] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 82.278243][ T72] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 82.278244][ T72] br_device_event (net/bridge/br.c:111) [ 82.278247][ T72] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 82.278249][ T72] ? packet_sendmsg_spkt (af_packet.c:?) [ 82.278250][ T72] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 82.278253][ T72] notifier_call_chain (kernel/notifier.c:85) [ 82.278256][ T72] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 82.278259][ T72] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 82.278261][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.278263][ T72] ? __dev_close_many (net/core/dev.c:1804) [ 82.278265][ T72] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 82.278267][ T72] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 82.278269][ T72] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 82.278270][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 82.278273][ T72] ? kthread (kernel/kthread.c:436) [ 82.278275][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 82.278277][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 82.278280][ T72] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 82.278281][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.278282][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 82.278284][ T72] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 82.278285][ T72] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 82.278287][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.278288][ T72] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 82.278290][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 82.278292][ T72] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 82.278294][ T72] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 82.278296][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 82.278298][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 82.278301][ T72] cleanup_net (net/core/net_namespace.c:706) [ 82.278303][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 82.278305][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.278306][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.278308][ T72] process_one_work (kernel/workqueue.c:3387) [ 82.278311][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 82.278312][ T72] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 82.278315][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.278317][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 82.278319][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 82.278321][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 82.278323][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 82.278325][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 82.278326][ T72] kthread (kernel/kthread.c:436) [ 82.278328][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 82.278329][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 82.278331][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 82.278333][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 82.278334][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 82.278337][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 82.278339][ T72] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 84.125096][ T1516] softirqs last disabled at (0): 0x0 | [ 84.125098][ T1516] Preemption disabled at: | [ 84.125099][ T1516] vprintk_emit (kernel/printk/printk.c:2471) | [ 84.125109][ T1516] Tainted: [W]=WARN [ 84.125110][ T1516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 84.125112][ T1516] Call Trace: [ 84.125113][ T1516] [ 84.125115][ T1516] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 84.125120][ T1516] ? vprintk_emit (kernel/printk/printk.c:2471) [ 84.125122][ T1516] __might_resched.cold (kernel/sched/core.c:9234) [ 84.125126][ T1516] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 84.125129][ T1516] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 84.125139][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125142][ T1516] __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)) [ 84.125144][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 84.125147][ T1516] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.125152][ T1516] ? 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) [ 84.125154][ T1516] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.125157][ T1516] put_chars (drivers/char/virtio_console.c:1176) [ 84.125158][ T1516] ? __send_to_port (drivers/char/virtio_console.c:654) [ 84.125160][ T1516] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 84.125162][ T1516] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 84.125167][ T1516] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 84.125169][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125170][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.125173][ T1516] console_emit_next_record (kernel/printk/printk.c:3183) [ 84.125175][ T1516] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 84.125177][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125178][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125179][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125180][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.125182][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 84.125184][ T1516] console_flush_one_record (kernel/printk/printk.c:3268) [ 84.125186][ T1516] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 84.125189][ T1516] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 84.125190][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.125192][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 84.125194][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125195][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 84.125196][ T1516] ? 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) [ 84.125198][ T1516] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 84.125199][ T1516] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 84.125201][ T1516] ? vprintk_emit (kernel/printk/printk.c:2478) [ 84.125203][ T1516] vprintk_emit (kernel/printk/printk.c:2479) [ 84.125204][ T1516] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 84.125205][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 84.125207][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 84.125210][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.125212][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125213][ T1516] _printk (kernel/printk/printk.c:2504) [ 84.125216][ T1516] ? snapshot_read.cold (user.c:?) [ 84.125218][ T1516] ? br_multicast_flood (??:?) [ 84.125222][ T1516] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 84.125225][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 84.125226][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 84.125228][ T1516] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 84.125231][ T1516] br_init_port (net/bridge/br_stp_if.c:39) [ 84.125233][ T1516] new_nbp (net/bridge/br_if.c:449) [ 84.125235][ T1516] br_add_if (net/bridge/br_if.c:592) [ 84.125237][ T1516] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 84.125241][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 84.125244][ T1516] do_set_master (net/core/rtnetlink.c:3071) [ 84.125245][ T1516] ? netif_change_flags (net/core/dev.c:9882) [ 84.125247][ T1516] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 84.125248][ T1516] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 84.125250][ T1516] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 84.125251][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125252][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 84.125256][ T1516] ? kasan_save_stack (mm/kasan/common.c:58) [ 84.125257][ T1516] ? kasan_save_stack (mm/kasan/common.c:57) [ 84.125258][ T1516] ? kasan_save_track (mm/kasan/common.c:78) [ 84.125259][ T1516] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 84.125261][ T1516] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 84.125262][ T1516] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 84.125263][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 84.125264][ T1516] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 84.125266][ T1516] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 84.125268][ T1516] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 84.125269][ T1516] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 84.125272][ T1516] ? ____sys_sendmsg (net/socket.c:2713) [ 84.125273][ T1516] ? ___sys_sendmsg (net/socket.c:2767) [ 84.125275][ T1516] ? __sys_sendmsg (net/socket.c:2799) [ 84.125276][ T1516] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 84.125280][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 84.125282][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125283][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.125285][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125286][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125287][ T1516] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 84.125288][ T1516] ? __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) [ 84.125290][ T1516] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 84.125291][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 84.125293][ T1516] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 84.125293][ T1516] ? nla_get_range_signed (lib/nlattr.c:270) [ 84.125297][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125298][ T1516] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 84.125300][ T1516] rtnl_newlink (net/core/rtnetlink.c:4215) [ 84.125302][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125303][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.125305][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.125306][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125307][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 84.125310][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 84.125311][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 84.125313][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125314][ T1516] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 84.125317][ T1516] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 84.125320][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125321][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.125322][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125323][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.125325][ T1516] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 84.125326][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 84.125328][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 84.125329][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 84.125331][ T1516] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 84.125333][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 84.125334][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 84.125336][ T1516] ? netlink_ack (./include/linux/skbuff.h:2718) [ 84.125337][ T1516] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 84.125341][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125342][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 84.125344][ T1516] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 84.125346][ T1516] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 84.125347][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 84.125349][ T1516] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 84.125351][ T1516] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 84.125353][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 84.125355][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.125356][ T1516] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 84.125359][ T1516] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 84.125361][ T1516] ____sys_sendmsg (net/socket.c:2713) [ 84.125362][ T1516] ? copy_msghdr_from_user (net/socket.c:2650) [ 84.125364][ T1516] ? sock_write_iter (net/socket.c:1269) [ 84.125365][ T1516] ? move_addr_to_kernel (net/socket.c:258) [ 84.125367][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 84.125369][ T1516] ___sys_sendmsg (net/socket.c:2767) [ 84.125371][ T1516] ? copy_msghdr_from_user (net/socket.c:2619) [ 84.125376][ T1516] __sys_sendmsg (net/socket.c:2799) [ 84.125378][ T1516] ? __sys_sendmsg_sock (net/socket.c:2780) [ 84.125381][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.125382][ T1516] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 84.125384][ T1516] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 84.125386][ T1516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 84.125388][ T1516] RIP: 0033:0x7f9b5ccb454e [ 84.125389][ T1516] 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 [ 84.125391][ T1516] RSP: 002b:00007ffe71f36d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 84.125395][ T1516] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9b5ccb454e [ 84.125397][ T1516] RDX: 0000000000000000 RSI: 00007ffe71f36dd0 RDI: 0000000000000005 [ 84.125397][ T1516] RBP: 00007ffe71f36d30 R08: 0000000000000000 R09: 0000000000000000 [ 84.125398][ T1516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912cba [ 84.125399][ T1516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe71f374a0 | [ 92.284740][ T72] softirqs last disabled at (429132): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 92.284742][ T72] Preemption disabled at: | [ 92.284743][ T72] 0x0 | [ 92.284753][ T72] Tainted: [W]=WARN [ 92.284755][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 92.284756][ T72] Workqueue: netns cleanup_net [ 92.284762][ T72] Call Trace: [ 92.284764][ T72] [ 92.284766][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 92.284772][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 92.284776][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 92.284780][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.284783][ T72] __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)) [ 92.284785][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.284788][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.284793][ T72] ? 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) [ 92.284795][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.284797][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 92.284799][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 92.284800][ T72] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 92.284803][ T72] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 92.284805][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 92.284810][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 92.284812][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.284813][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.284816][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 92.284818][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 92.284820][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.284821][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.284822][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.284823][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.284825][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 92.284827][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 92.284829][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 92.284832][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 92.284834][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.284835][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 92.284837][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.284838][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 92.284839][ T72] ? 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) [ 92.284841][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 92.284842][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 92.284844][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 92.284846][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 92.284848][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 92.284849][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.284850][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 92.284853][ T72] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 92.284855][ T72] _printk (kernel/printk/printk.c:2504) [ 92.284858][ T72] ? snapshot_read.cold (user.c:?) [ 92.284860][ T72] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 92.284863][ T72] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 92.284867][ T72] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 92.284869][ T72] br_device_event (net/bridge/br.c:111) [ 92.284871][ T72] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 92.284873][ T72] ? packet_sendmsg_spkt (af_packet.c:?) [ 92.284874][ T72] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 92.284878][ T72] notifier_call_chain (kernel/notifier.c:85) [ 92.284881][ T72] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 92.284883][ T72] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 92.284885][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.284887][ T72] ? __dev_close_many (net/core/dev.c:1804) [ 92.284889][ T72] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 92.284891][ T72] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 92.284893][ T72] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 92.284894][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 92.284897][ T72] ? kthread (kernel/kthread.c:436) [ 92.284899][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 92.284902][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 92.284904][ T72] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 92.284905][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.284907][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 92.284909][ T72] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 92.284910][ T72] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 92.284911][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.284913][ T72] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 92.284914][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 92.284916][ T72] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 92.284919][ T72] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 92.284921][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 92.284922][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 92.284926][ T72] cleanup_net (net/core/net_namespace.c:706) [ 92.284927][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 92.284929][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.284930][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.284932][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.284933][ T72] process_one_work (kernel/workqueue.c:3387) [ 92.284936][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 92.284938][ T72] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 92.284940][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.284942][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 92.284945][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 92.284946][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 92.284948][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 92.284950][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 92.284951][ T72] kthread (kernel/kthread.c:436) [ 92.284953][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 92.284954][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 92.284956][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 92.284958][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 92.284960][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 92.284962][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 92.284964][ T72] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 94.122972][ T1785] softirqs last disabled at (0): 0x0 | [ 94.122974][ T1785] Preemption disabled at: | [ 94.122974][ T1785] vprintk_emit (kernel/printk/printk.c:2471) | [ 94.122985][ T1785] Tainted: [W]=WARN [ 94.122986][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 94.122988][ T1785] Call Trace: [ 94.122989][ T1785] [ 94.122991][ T1785] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 94.122997][ T1785] ? vprintk_emit (kernel/printk/printk.c:2471) [ 94.122998][ T1785] __might_resched.cold (kernel/sched/core.c:9234) [ 94.123002][ T1785] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 94.123005][ T1785] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 94.123008][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123011][ T1785] __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)) [ 94.123013][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.123016][ T1785] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.123021][ T1785] ? 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) [ 94.123023][ T1785] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.123026][ T1785] put_chars (drivers/char/virtio_console.c:1176) [ 94.123027][ T1785] ? __send_to_port (drivers/char/virtio_console.c:654) [ 94.123029][ T1785] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 94.123031][ T1785] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 94.123036][ T1785] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 94.123038][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123039][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.123041][ T1785] console_emit_next_record (kernel/printk/printk.c:3183) [ 94.123044][ T1785] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 94.123046][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123047][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123048][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123049][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.123050][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 94.123052][ T1785] console_flush_one_record (kernel/printk/printk.c:3268) [ 94.123054][ T1785] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 94.123057][ T1785] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 94.123059][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.123060][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 94.123062][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123063][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.123064][ T1785] ? 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) [ 94.123066][ T1785] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 94.123067][ T1785] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 94.123069][ T1785] ? vprintk_emit (kernel/printk/printk.c:2478) [ 94.123070][ T1785] vprintk_emit (kernel/printk/printk.c:2479) [ 94.123072][ T1785] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 94.123074][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.123076][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 94.123080][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.123082][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123085][ T1785] _printk (kernel/printk/printk.c:2504) [ 94.123089][ T1785] ? snapshot_read.cold (user.c:?) [ 94.123091][ T1785] ? br_multicast_flood (??:?) [ 94.123095][ T1785] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 94.123097][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 94.123098][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 94.123100][ T1785] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 94.123103][ T1785] br_init_port (net/bridge/br_stp_if.c:39) [ 94.123105][ T1785] new_nbp (net/bridge/br_if.c:449) [ 94.123107][ T1785] br_add_if (net/bridge/br_if.c:592) [ 94.123109][ T1785] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 94.123112][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 94.123115][ T1785] do_set_master (net/core/rtnetlink.c:3071) [ 94.123117][ T1785] ? netif_change_flags (net/core/dev.c:9882) [ 94.123119][ T1785] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 94.123120][ T1785] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 94.123122][ T1785] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 94.123123][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123124][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 94.123127][ T1785] ? kasan_save_stack (mm/kasan/common.c:58) [ 94.123129][ T1785] ? kasan_save_stack (mm/kasan/common.c:57) [ 94.123130][ T1785] ? kasan_save_track (mm/kasan/common.c:78) [ 94.123131][ T1785] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 94.123132][ T1785] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 94.123133][ T1785] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 94.123134][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 94.123135][ T1785] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 94.123138][ T1785] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 94.123140][ T1785] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 94.123141][ T1785] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 94.123144][ T1785] ? ____sys_sendmsg (net/socket.c:2713) [ 94.123145][ T1785] ? ___sys_sendmsg (net/socket.c:2767) [ 94.123146][ T1785] ? __sys_sendmsg (net/socket.c:2799) [ 94.123148][ T1785] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 94.123151][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 94.123154][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123155][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.123156][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123157][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123158][ T1785] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 94.123162][ T1785] ? __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) [ 94.123163][ T1785] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 94.123164][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 94.123166][ T1785] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 94.123167][ T1785] ? nla_get_range_signed (lib/nlattr.c:270) [ 94.123170][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123171][ T1785] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 94.123173][ T1785] rtnl_newlink (net/core/rtnetlink.c:4215) [ 94.123181][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123182][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 94.123183][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.123185][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123186][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 94.123189][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 94.123190][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 94.123191][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123193][ T1785] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 94.123196][ T1785] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 94.123198][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123199][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.123201][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123202][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 94.123203][ T1785] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 94.123205][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 94.123206][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 94.123207][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 94.123209][ T1785] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 94.123211][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 94.123212][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.123214][ T1785] ? netlink_ack (./include/linux/skbuff.h:2718) [ 94.123215][ T1785] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 94.123218][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123220][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.123221][ T1785] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 94.123223][ T1785] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 94.123225][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 94.123227][ T1785] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 94.123230][ T1785] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 94.123231][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 94.123233][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.123234][ T1785] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 94.123237][ T1785] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 94.123239][ T1785] ____sys_sendmsg (net/socket.c:2713) [ 94.123240][ T1785] ? copy_msghdr_from_user (net/socket.c:2650) [ 94.123242][ T1785] ? sock_write_iter (net/socket.c:1269) [ 94.123243][ T1785] ? move_addr_to_kernel (net/socket.c:258) [ 94.123245][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 94.123247][ T1785] ___sys_sendmsg (net/socket.c:2767) [ 94.123249][ T1785] ? copy_msghdr_from_user (net/socket.c:2619) [ 94.123254][ T1785] __sys_sendmsg (net/socket.c:2799) [ 94.123256][ T1785] ? __sys_sendmsg_sock (net/socket.c:2780) [ 94.123258][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.123260][ T1785] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 94.123262][ T1785] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 94.123263][ T1785] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 94.123265][ T1785] RIP: 0033:0x7f585ef2f54e [ 94.123267][ T1785] 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 [ 94.123269][ T1785] RSP: 002b:00007ffdf709f910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 94.123272][ T1785] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f585ef2f54e [ 94.123274][ T1785] RDX: 0000000000000000 RSI: 00007ffdf709f9c0 RDI: 0000000000000005 [ 94.123275][ T1785] RBP: 00007ffdf709f920 R08: 0000000000000000 R09: 0000000000000000 [ 94.123275][ T1785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912cc4 [ 94.123276][ T1785] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf70a0090 | [ 101.112040][ T72] softirqs last disabled at (429132): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 101.112042][ T72] Preemption disabled at: | [ 101.112043][ T72] 0x0 | [ 101.112053][ T72] Tainted: [W]=WARN [ 101.112054][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 101.112056][ T72] Workqueue: netns cleanup_net [ 101.112062][ T72] Call Trace: [ 101.112063][ T72] [ 101.112065][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 101.112071][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 101.112075][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 101.112079][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.112082][ T72] __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)) [ 101.112085][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.112089][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.112095][ T72] ? 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) [ 101.112097][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.112101][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 101.112103][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 101.112105][ T72] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 101.112109][ T72] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 101.112113][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 101.112119][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 101.112121][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.112123][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.112126][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 101.112128][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 101.112131][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.112132][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.112132][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.112133][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.112135][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 101.112137][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 101.112139][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 101.112142][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 101.112144][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.112145][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 101.112147][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.112148][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 101.112150][ T72] ? 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) [ 101.112151][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 101.112152][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 101.112154][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 101.112156][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 101.112158][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 101.112162][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.112163][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 101.112166][ T72] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 101.112168][ T72] _printk (kernel/printk/printk.c:2504) [ 101.112171][ T72] ? snapshot_read.cold (user.c:?) [ 101.112173][ T72] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 101.112176][ T72] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 101.112180][ T72] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 101.112181][ T72] br_device_event (net/bridge/br.c:111) [ 101.112184][ T72] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 101.112185][ T72] ? packet_sendmsg_spkt (af_packet.c:?) [ 101.112187][ T72] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 101.112190][ T72] notifier_call_chain (kernel/notifier.c:85) [ 101.112194][ T72] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 101.112196][ T72] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 101.112198][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.112200][ T72] ? __dev_close_many (net/core/dev.c:1804) [ 101.112202][ T72] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 101.112204][ T72] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 101.112212][ T72] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 101.112214][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 101.112217][ T72] ? kthread (kernel/kthread.c:436) [ 101.112218][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 101.112221][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 101.112224][ T72] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 101.112225][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.112227][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 101.112230][ T72] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 101.112231][ T72] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 101.112233][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.112235][ T72] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 101.112236][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 101.112239][ T72] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 101.112241][ T72] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 101.112243][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 101.112245][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 101.112248][ T72] cleanup_net (net/core/net_namespace.c:706) [ 101.112250][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 101.112251][ T72] ? update_load_avg (kernel/sched/fair.c:5864) [ 101.112254][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.112255][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.112257][ T72] process_one_work (kernel/workqueue.c:3387) [ 101.112260][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 101.112262][ T72] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 101.112264][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.112266][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 101.112268][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 101.112270][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 101.112272][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 101.112274][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 101.112276][ T72] kthread (kernel/kthread.c:436) [ 101.112277][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 101.112278][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 101.112280][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 101.112282][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 101.112284][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 101.112286][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 101.112288][ T72] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 103.431461][ T1977] softirqs last disabled at (0): 0x0 | [ 103.431462][ T1977] Preemption disabled at: | [ 103.431463][ T1977] vprintk_emit (kernel/printk/printk.c:2471) | [ 103.431473][ T1977] Tainted: [W]=WARN [ 103.431474][ T1977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 103.431476][ T1977] Call Trace: [ 103.431477][ T1977] [ 103.431479][ T1977] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 103.431484][ T1977] ? vprintk_emit (kernel/printk/printk.c:2471) [ 103.431485][ T1977] __might_resched.cold (kernel/sched/core.c:9234) [ 103.431489][ T1977] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 103.431492][ T1977] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 103.431496][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431498][ T1977] __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)) [ 103.431501][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.431504][ T1977] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 103.431509][ T1977] ? 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) [ 103.431510][ T1977] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 103.431513][ T1977] put_chars (drivers/char/virtio_console.c:1176) [ 103.431514][ T1977] ? __send_to_port (drivers/char/virtio_console.c:654) [ 103.431516][ T1977] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 103.431518][ T1977] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 103.431523][ T1977] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 103.431525][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431526][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.431528][ T1977] console_emit_next_record (kernel/printk/printk.c:3183) [ 103.431531][ T1977] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 103.431533][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431534][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431535][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431536][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.431538][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 103.431540][ T1977] console_flush_one_record (kernel/printk/printk.c:3268) [ 103.431542][ T1977] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 103.431544][ T1977] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 103.431546][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.431548][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 103.431550][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431550][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 103.431552][ T1977] ? 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) [ 103.431553][ T1977] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 103.431555][ T1977] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 103.431557][ T1977] ? vprintk_emit (kernel/printk/printk.c:2478) [ 103.431558][ T1977] vprintk_emit (kernel/printk/printk.c:2479) [ 103.431559][ T1977] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 103.431560][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.431562][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 103.431565][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.431566][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431568][ T1977] _printk (kernel/printk/printk.c:2504) [ 103.431571][ T1977] ? snapshot_read.cold (user.c:?) [ 103.431573][ T1977] ? br_multicast_flood (??:?) [ 103.431576][ T1977] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 103.431579][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 103.431580][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 103.431582][ T1977] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 103.431584][ T1977] br_init_port (net/bridge/br_stp_if.c:39) [ 103.431586][ T1977] new_nbp (net/bridge/br_if.c:449) [ 103.431588][ T1977] br_add_if (net/bridge/br_if.c:592) [ 103.431590][ T1977] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 103.431593][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 103.431596][ T1977] do_set_master (net/core/rtnetlink.c:3071) [ 103.431597][ T1977] ? netif_change_flags (net/core/dev.c:9882) [ 103.431599][ T1977] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 103.431601][ T1977] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 103.431603][ T1977] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 103.431604][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431605][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 103.431608][ T1977] ? kasan_save_stack (mm/kasan/common.c:58) [ 103.431610][ T1977] ? kasan_save_stack (mm/kasan/common.c:57) [ 103.431611][ T1977] ? kasan_save_track (mm/kasan/common.c:78) [ 103.431612][ T1977] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 103.431613][ T1977] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 103.431614][ T1977] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 103.431615][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 103.431616][ T1977] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 103.431619][ T1977] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 103.431621][ T1977] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 103.431622][ T1977] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 103.431625][ T1977] ? ____sys_sendmsg (net/socket.c:2713) [ 103.431626][ T1977] ? ___sys_sendmsg (net/socket.c:2767) [ 103.431628][ T1977] ? __sys_sendmsg (net/socket.c:2799) [ 103.431629][ T1977] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 103.431632][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 103.431635][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431636][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.431637][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431638][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431639][ T1977] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 103.431641][ T1977] ? __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) [ 103.431642][ T1977] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 103.431643][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 103.431645][ T1977] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 103.431646][ T1977] ? nla_get_range_signed (lib/nlattr.c:270) [ 103.431649][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431650][ T1977] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 103.431652][ T1977] rtnl_newlink (net/core/rtnetlink.c:4215) [ 103.431654][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431655][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 103.431656][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.431658][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431659][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 103.431662][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 103.431663][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 103.431664][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431665][ T1977] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 103.431668][ T1977] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 103.431671][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431672][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.431673][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431674][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 103.431675][ T1977] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 103.431677][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 103.431678][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 103.431680][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 103.431682][ T1977] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 103.431684][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 103.431685][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 103.431686][ T1977] ? netlink_ack (./include/linux/skbuff.h:2718) [ 103.431688][ T1977] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 103.431691][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431692][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 103.431694][ T1977] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 103.431696][ T1977] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 103.431698][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 103.431700][ T1977] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 103.431702][ T1977] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 103.431703][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 103.431705][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.431706][ T1977] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 103.431709][ T1977] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 103.431711][ T1977] ____sys_sendmsg (net/socket.c:2713) [ 103.431713][ T1977] ? copy_msghdr_from_user (net/socket.c:2650) [ 103.431714][ T1977] ? sock_write_iter (net/socket.c:1269) [ 103.431716][ T1977] ? move_addr_to_kernel (net/socket.c:258) [ 103.431717][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 103.431720][ T1977] ___sys_sendmsg (net/socket.c:2767) [ 103.431721][ T1977] ? copy_msghdr_from_user (net/socket.c:2619) [ 103.431726][ T1977] __sys_sendmsg (net/socket.c:2799) [ 103.431728][ T1977] ? __sys_sendmsg_sock (net/socket.c:2780) [ 103.431731][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.431732][ T1977] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 103.431734][ T1977] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 103.431736][ T1977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 103.431737][ T1977] RIP: 0033:0x7f689afd654e [ 103.431739][ T1977] 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 [ 103.431741][ T1977] RSP: 002b:00007ffdaa20f190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 103.431744][ T1977] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f689afd654e [ 103.431746][ T1977] RDX: 0000000000000000 RSI: 00007ffdaa20f240 RDI: 0000000000000005 [ 103.431747][ T1977] RBP: 00007ffdaa20f1a0 R08: 0000000000000000 R09: 0000000000000000 [ 103.431748][ T1977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ccd [ 103.431748][ T1977] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdaa20f910 | [ 110.708195][ T72] softirqs last disabled at (429132): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 110.708197][ T72] Preemption disabled at: | [ 110.708198][ T72] 0x0 | [ 110.708208][ T72] Tainted: [W]=WARN [ 110.708209][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 110.708211][ T72] Workqueue: netns cleanup_net [ 110.708217][ T72] Call Trace: [ 110.708218][ T72] [ 110.708220][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 110.708227][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 110.708231][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 110.708235][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.708238][ T72] __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)) [ 110.708241][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 110.708244][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 110.708254][ T72] ? 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) [ 110.708255][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 110.708258][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 110.708259][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 110.708260][ T72] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 110.708264][ T72] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 110.708266][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 110.708271][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 110.708272][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 110.708274][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.708277][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 110.708280][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 110.708282][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.708283][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.708285][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 110.708287][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 110.708289][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 110.708292][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 110.708293][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.708295][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 110.708297][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.708297][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 110.708299][ T72] ? 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) [ 110.708300][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 110.708302][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 110.708304][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 110.708305][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 110.708307][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 110.708308][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.708309][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 110.708312][ T72] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 110.708314][ T72] _printk (kernel/printk/printk.c:2504) [ 110.708317][ T72] ? snapshot_read.cold (user.c:?) [ 110.708319][ T72] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 110.708322][ T72] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 110.708326][ T72] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 110.708328][ T72] br_device_event (net/bridge/br.c:111) [ 110.708331][ T72] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 110.708332][ T72] ? packet_sendmsg_spkt (af_packet.c:?) [ 110.708334][ T72] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 110.708337][ T72] notifier_call_chain (kernel/notifier.c:85) [ 110.708340][ T72] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 110.708343][ T72] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 110.708345][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.708347][ T72] ? __dev_close_many (net/core/dev.c:1804) [ 110.708349][ T72] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 110.708351][ T72] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 110.708353][ T72] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 110.708354][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 110.708357][ T72] ? kthread (kernel/kthread.c:436) [ 110.708359][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 110.708362][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 110.708364][ T72] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 110.708366][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.708367][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 110.708369][ T72] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 110.708371][ T72] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 110.708372][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.708373][ T72] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 110.708375][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 110.708377][ T72] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 110.708380][ T72] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 110.708382][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 110.708383][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 110.708387][ T72] cleanup_net (net/core/net_namespace.c:706) [ 110.708389][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 110.708391][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.708392][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.708394][ T72] process_one_work (kernel/workqueue.c:3387) [ 110.708397][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 110.708399][ T72] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 110.708401][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 110.708403][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 110.708405][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 110.708407][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 110.708409][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 110.708411][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 110.708412][ T72] kthread (kernel/kthread.c:436) [ 110.708414][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 110.708415][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 110.708417][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 110.708419][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 110.708421][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 110.708423][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 110.708425][ T72] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 112.782456][ T2215] softirqs last disabled at (0): 0x0 | [ 112.782459][ T2215] Preemption disabled at: | [ 112.782460][ T2215] vprintk_emit (kernel/printk/printk.c:2471) | [ 112.782473][ T2215] Tainted: [W]=WARN [ 112.782475][ T2215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.782477][ T2215] Call Trace: [ 112.782479][ T2215] [ 112.782481][ T2215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 112.782488][ T2215] ? vprintk_emit (kernel/printk/printk.c:2471) [ 112.782490][ T2215] __might_resched.cold (kernel/sched/core.c:9234) [ 112.782495][ T2215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 112.782499][ T2215] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 112.782503][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782507][ T2215] __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)) [ 112.782511][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 112.782515][ T2215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 112.782521][ T2215] ? 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) [ 112.782524][ T2215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 112.782527][ T2215] put_chars (drivers/char/virtio_console.c:1176) [ 112.782530][ T2215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 112.782533][ T2215] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 112.782537][ T2215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 112.782543][ T2215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 112.782546][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782548][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.782552][ T2215] console_emit_next_record (kernel/printk/printk.c:3183) [ 112.782556][ T2215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 112.782559][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782561][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782563][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782565][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.782568][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 112.782570][ T2215] console_flush_one_record (kernel/printk/printk.c:3268) [ 112.782574][ T2215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 112.782578][ T2215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 112.782581][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.782584][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 112.782587][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782589][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 112.782591][ T2215] ? 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) [ 112.782593][ T2215] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 112.782596][ T2215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 112.782599][ T2215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 112.782601][ T2215] vprintk_emit (kernel/printk/printk.c:2479) [ 112.782603][ T2215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 112.782605][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 112.782608][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 112.782611][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.782614][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782616][ T2215] _printk (kernel/printk/printk.c:2504) [ 112.782621][ T2215] ? snapshot_read.cold (user.c:?) [ 112.782624][ T2215] ? br_multicast_flood (??:?) [ 112.782628][ T2215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 112.782631][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 112.782633][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 112.782636][ T2215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 112.782640][ T2215] br_init_port (net/bridge/br_stp_if.c:39) [ 112.782643][ T2215] new_nbp (net/bridge/br_if.c:449) [ 112.782646][ T2215] br_add_if (net/bridge/br_if.c:592) [ 112.782649][ T2215] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 112.782654][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 112.782658][ T2215] do_set_master (net/core/rtnetlink.c:3071) [ 112.782660][ T2215] ? netif_change_flags (net/core/dev.c:9882) [ 112.782663][ T2215] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 112.782666][ T2215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 112.782669][ T2215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 112.782671][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782673][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 112.782677][ T2215] ? kasan_save_stack (mm/kasan/common.c:58) [ 112.782680][ T2215] ? kasan_save_stack (mm/kasan/common.c:57) [ 112.782682][ T2215] ? kasan_save_track (mm/kasan/common.c:78) [ 112.782684][ T2215] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 112.782686][ T2215] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 112.782688][ T2215] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 112.782690][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 112.782692][ T2215] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 112.782695][ T2215] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 112.782698][ T2215] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 112.782700][ T2215] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 112.782704][ T2215] ? ____sys_sendmsg (net/socket.c:2713) [ 112.782706][ T2215] ? ___sys_sendmsg (net/socket.c:2767) [ 112.782708][ T2215] ? __sys_sendmsg (net/socket.c:2799) [ 112.782711][ T2215] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 112.782715][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 112.782719][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782721][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.782724][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782726][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782727][ T2215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 112.782730][ T2215] ? __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) [ 112.782733][ T2215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 112.782735][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 112.782737][ T2215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 112.782739][ T2215] ? nla_get_range_signed (lib/nlattr.c:270) [ 112.782744][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782746][ T2215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 112.782750][ T2215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 112.782753][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782755][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 112.782757][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.782760][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782762][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 112.782765][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 112.782767][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 112.782770][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782772][ T2215] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 112.782776][ T2215] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 112.782779][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782781][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.782784][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782786][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 112.782788][ T2215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 112.782791][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 112.782793][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 112.782796][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 112.782800][ T2215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 112.782802][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 112.782805][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 112.782807][ T2215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 112.782810][ T2215] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 112.782814][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782816][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 112.782820][ T2215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 112.782823][ T2215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 112.782826][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 112.782829][ T2215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 112.782833][ T2215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 112.782835][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 112.782838][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.782840][ T2215] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 112.782845][ T2215] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 112.782848][ T2215] ____sys_sendmsg (net/socket.c:2713) [ 112.782851][ T2215] ? copy_msghdr_from_user (net/socket.c:2650) [ 112.782853][ T2215] ? sock_write_iter (net/socket.c:1269) [ 112.782855][ T2215] ? move_addr_to_kernel (net/socket.c:258) [ 112.782858][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 112.782862][ T2215] ___sys_sendmsg (net/socket.c:2767) [ 112.782865][ T2215] ? copy_msghdr_from_user (net/socket.c:2619) [ 112.782873][ T2215] __sys_sendmsg (net/socket.c:2799) [ 112.782876][ T2215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 112.782881][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.782883][ T2215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 112.782886][ T2215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 112.782889][ T2215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 112.782891][ T2215] RIP: 0033:0x7efee20e754e [ 112.782894][ T2215] 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 [ 112.782897][ T2215] RSP: 002b:00007ffdb5fa81d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 112.782902][ T2215] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efee20e754e [ 112.782904][ T2215] RDX: 0000000000000000 RSI: 00007ffdb5fa8280 RDI: 0000000000000005 [ 112.782906][ T2215] RBP: 00007ffdb5fa81e0 R08: 0000000000000000 R09: 0000000000000000 [ 112.782907][ T2215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912cd7 [ 112.782909][ T2215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb5fa8950 | [ 119.590235][ T72] softirqs last disabled at (429132): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 119.590237][ T72] Preemption disabled at: | [ 119.590238][ T72] 0x0 | [ 119.590248][ T72] Tainted: [W]=WARN [ 119.590249][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 119.590251][ T72] Workqueue: netns cleanup_net [ 119.590257][ T72] Call Trace: [ 119.590258][ T72] [ 119.590260][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 119.590266][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 119.590270][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 119.590274][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.590276][ T72] __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)) [ 119.590279][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 119.590282][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 119.590292][ T72] ? 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) [ 119.590294][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 119.590297][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 119.590298][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 119.590299][ T72] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 119.590302][ T72] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 119.590305][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 119.590310][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 119.590311][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 119.590313][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.590316][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 119.590318][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 119.590320][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.590321][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.590322][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.590323][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.590325][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 119.590327][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 119.590329][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 119.590332][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 119.590333][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.590335][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 119.590337][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.590337][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 119.590339][ T72] ? 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) [ 119.590340][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 119.590342][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 119.590344][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 119.590345][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 119.590347][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 119.590348][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.590349][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 119.590352][ T72] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 119.590354][ T72] _printk (kernel/printk/printk.c:2504) [ 119.590357][ T72] ? snapshot_read.cold (user.c:?) [ 119.590359][ T72] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 119.590362][ T72] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 119.590365][ T72] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 119.590367][ T72] br_device_event (net/bridge/br.c:111) [ 119.590369][ T72] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 119.590371][ T72] ? packet_sendmsg_spkt (af_packet.c:?) [ 119.590373][ T72] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 119.590376][ T72] notifier_call_chain (kernel/notifier.c:85) [ 119.590379][ T72] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 119.590382][ T72] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 119.590384][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.590386][ T72] ? __dev_close_many (net/core/dev.c:1804) [ 119.590387][ T72] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 119.590389][ T72] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 119.590391][ T72] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 119.590393][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 119.590396][ T72] ? kthread (kernel/kthread.c:436) [ 119.590397][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 119.590400][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 119.590402][ T72] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 119.590404][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.590405][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 119.590407][ T72] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 119.590408][ T72] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 119.590409][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.590411][ T72] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 119.590412][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 119.590414][ T72] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 119.590417][ T72] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 119.590419][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 119.590420][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 119.590424][ T72] cleanup_net (net/core/net_namespace.c:706) [ 119.590426][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 119.590428][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.590429][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.590431][ T72] process_one_work (kernel/workqueue.c:3387) [ 119.590434][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 119.590435][ T72] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 119.590437][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 119.590440][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 119.590442][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 119.590444][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 119.590446][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 119.590447][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 119.590449][ T72] kthread (kernel/kthread.c:436) [ 119.590451][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 119.590452][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 119.590454][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 119.590455][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 119.590457][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 119.590460][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 119.590462][ T72] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 121.660753][ T2413] softirqs last disabled at (0): 0x0 | [ 121.660755][ T2413] Preemption disabled at: | [ 121.660756][ T2413] vprintk_emit (kernel/printk/printk.c:2471) | [ 121.660767][ T2413] Tainted: [W]=WARN [ 121.660768][ T2413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 121.660770][ T2413] Call Trace: [ 121.660771][ T2413] [ 121.660773][ T2413] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 121.660778][ T2413] ? vprintk_emit (kernel/printk/printk.c:2471) [ 121.660779][ T2413] __might_resched.cold (kernel/sched/core.c:9234) [ 121.660783][ T2413] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 121.660786][ T2413] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 121.660790][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660792][ T2413] __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)) [ 121.660795][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 121.660798][ T2413] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 121.660803][ T2413] ? 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) [ 121.660805][ T2413] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 121.660807][ T2413] put_chars (drivers/char/virtio_console.c:1176) [ 121.660809][ T2413] ? __send_to_port (drivers/char/virtio_console.c:654) [ 121.660810][ T2413] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 121.660813][ T2413] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 121.660817][ T2413] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 121.660819][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660821][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.660823][ T2413] console_emit_next_record (kernel/printk/printk.c:3183) [ 121.660826][ T2413] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 121.660828][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660829][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660830][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660831][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.660832][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 121.660834][ T2413] console_flush_one_record (kernel/printk/printk.c:3268) [ 121.660836][ T2413] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 121.660839][ T2413] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 121.660841][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.660843][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 121.660844][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660845][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 121.660847][ T2413] ? 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) [ 121.660848][ T2413] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 121.660849][ T2413] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 121.660851][ T2413] ? vprintk_emit (kernel/printk/printk.c:2478) [ 121.660853][ T2413] vprintk_emit (kernel/printk/printk.c:2479) [ 121.660854][ T2413] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 121.660855][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 121.660857][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 121.660860][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.660861][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660863][ T2413] _printk (kernel/printk/printk.c:2504) [ 121.660866][ T2413] ? snapshot_read.cold (user.c:?) [ 121.660868][ T2413] ? br_multicast_flood (??:?) [ 121.660871][ T2413] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 121.660874][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 121.660875][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 121.660877][ T2413] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 121.660879][ T2413] br_init_port (net/bridge/br_stp_if.c:39) [ 121.660881][ T2413] new_nbp (net/bridge/br_if.c:449) [ 121.660883][ T2413] br_add_if (net/bridge/br_if.c:592) [ 121.660885][ T2413] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 121.660888][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 121.660892][ T2413] do_set_master (net/core/rtnetlink.c:3071) [ 121.660893][ T2413] ? netif_change_flags (net/core/dev.c:9882) [ 121.660895][ T2413] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 121.660896][ T2413] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 121.660898][ T2413] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 121.660899][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660900][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 121.660903][ T2413] ? kasan_save_stack (mm/kasan/common.c:58) [ 121.660905][ T2413] ? kasan_save_stack (mm/kasan/common.c:57) [ 121.660906][ T2413] ? kasan_save_track (mm/kasan/common.c:78) [ 121.660907][ T2413] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 121.660908][ T2413] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 121.660909][ T2413] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 121.660910][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 121.660912][ T2413] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 121.660914][ T2413] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 121.660916][ T2413] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 121.660917][ T2413] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 121.660920][ T2413] ? ____sys_sendmsg (net/socket.c:2713) [ 121.660921][ T2413] ? ___sys_sendmsg (net/socket.c:2767) [ 121.660922][ T2413] ? __sys_sendmsg (net/socket.c:2799) [ 121.660924][ T2413] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 121.660928][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 121.660930][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660932][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.660933][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660934][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660935][ T2413] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 121.660936][ T2413] ? __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) [ 121.660938][ T2413] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 121.660939][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 121.660941][ T2413] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 121.660942][ T2413] ? nla_get_range_signed (lib/nlattr.c:270) [ 121.660945][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660946][ T2413] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 121.660948][ T2413] rtnl_newlink (net/core/rtnetlink.c:4215) [ 121.660950][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660951][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 121.660953][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.660954][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660955][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 121.660958][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 121.660959][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 121.660961][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660962][ T2413] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 121.660965][ T2413] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 121.660967][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660968][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.660970][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660971][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 121.660972][ T2413] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 121.660974][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 121.660975][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 121.660976][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 121.660979][ T2413] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 121.660980][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 121.660981][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 121.660983][ T2413] ? netlink_ack (./include/linux/skbuff.h:2718) [ 121.660985][ T2413] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 121.660988][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.660989][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 121.660991][ T2413] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 121.660993][ T2413] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 121.660994][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 121.660996][ T2413] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 121.660998][ T2413] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 121.661000][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 121.661001][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.661003][ T2413] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 121.661006][ T2413] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 121.661007][ T2413] ____sys_sendmsg (net/socket.c:2713) [ 121.661009][ T2413] ? copy_msghdr_from_user (net/socket.c:2650) [ 121.661011][ T2413] ? sock_write_iter (net/socket.c:1269) [ 121.661012][ T2413] ? move_addr_to_kernel (net/socket.c:258) [ 121.661014][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 121.661016][ T2413] ___sys_sendmsg (net/socket.c:2767) [ 121.661018][ T2413] ? copy_msghdr_from_user (net/socket.c:2619) [ 121.661023][ T2413] __sys_sendmsg (net/socket.c:2799) [ 121.661024][ T2413] ? __sys_sendmsg_sock (net/socket.c:2780) [ 121.661027][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.661029][ T2413] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 121.661030][ T2413] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 121.661032][ T2413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 121.661034][ T2413] RIP: 0033:0x7fcff826354e [ 121.661035][ T2413] 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 [ 121.661037][ T2413] RSP: 002b:00007fff66dba640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 121.661041][ T2413] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcff826354e [ 121.661042][ T2413] RDX: 0000000000000000 RSI: 00007fff66dba6f0 RDI: 0000000000000005 [ 121.661043][ T2413] RBP: 00007fff66dba650 R08: 0000000000000000 R09: 0000000000000000 [ 121.661044][ T2413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912cdf [ 121.661045][ T2413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff66dbadc0 | [ 128.538942][ T72] softirqs last disabled at (429132): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 128.538944][ T72] Preemption disabled at: | [ 128.538944][ T72] 0x0 | [ 128.538955][ T72] Tainted: [W]=WARN [ 128.538956][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 128.538957][ T72] Workqueue: netns cleanup_net [ 128.538963][ T72] Call Trace: [ 128.538965][ T72] [ 128.538966][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 128.538972][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 128.538976][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 128.538980][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.538983][ T72] __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)) [ 128.538986][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.538989][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 128.538993][ T72] ? 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) [ 128.538995][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 128.538997][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 128.538999][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 128.539000][ T72] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 128.539003][ T72] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 128.539005][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 128.539010][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 128.539012][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.539014][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.539016][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 128.539019][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 128.539021][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.539022][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.539023][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.539024][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.539025][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 128.539027][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 128.539029][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 128.539032][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 128.539034][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.539035][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 128.539037][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.539038][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 128.539039][ T72] ? 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) [ 128.539041][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 128.539042][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 128.539044][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 128.539046][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 128.539047][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 128.539049][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.539050][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 128.539053][ T72] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 128.539055][ T72] _printk (kernel/printk/printk.c:2504) [ 128.539058][ T72] ? snapshot_read.cold (user.c:?) [ 128.539060][ T72] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 128.539063][ T72] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 128.539067][ T72] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 128.539069][ T72] br_device_event (net/bridge/br.c:111) [ 128.539071][ T72] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 128.539073][ T72] ? packet_sendmsg_spkt (af_packet.c:?) [ 128.539075][ T72] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 128.539078][ T72] notifier_call_chain (kernel/notifier.c:85) [ 128.539081][ T72] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 128.539085][ T72] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 128.539087][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.539090][ T72] ? __dev_close_many (net/core/dev.c:1804) [ 128.539093][ T72] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 128.539096][ T72] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 128.539098][ T72] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 128.539100][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 128.539103][ T72] ? kthread (kernel/kthread.c:436) [ 128.539105][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 128.539107][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 128.539110][ T72] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 128.539111][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.539112][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 128.539114][ T72] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 128.539116][ T72] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 128.539117][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.539119][ T72] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 128.539120][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 128.539122][ T72] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 128.539125][ T72] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 128.539127][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 128.539128][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 128.539132][ T72] cleanup_net (net/core/net_namespace.c:706) [ 128.539133][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 128.539135][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.539137][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.539138][ T72] process_one_work (kernel/workqueue.c:3387) [ 128.539141][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 128.539143][ T72] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 128.539145][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.539147][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 128.539150][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 128.539151][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 128.539153][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 128.539155][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 128.539156][ T72] kthread (kernel/kthread.c:436) [ 128.539158][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 128.539162][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 128.539164][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 128.539166][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 128.539168][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 128.539170][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 128.539172][ T72] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 130.478979][ T2621] softirqs last disabled at (0): 0x0 | [ 130.478981][ T2621] Preemption disabled at: | [ 130.478982][ T2621] vprintk_emit (kernel/printk/printk.c:2471) | [ 130.478991][ T2621] Tainted: [W]=WARN [ 130.478993][ T2621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 130.478994][ T2621] Call Trace: [ 130.478996][ T2621] [ 130.478997][ T2621] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 130.479003][ T2621] ? vprintk_emit (kernel/printk/printk.c:2471) [ 130.479004][ T2621] __might_resched.cold (kernel/sched/core.c:9234) [ 130.479008][ T2621] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 130.479011][ T2621] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 130.479014][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479017][ T2621] __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)) [ 130.479019][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.479022][ T2621] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 130.479027][ T2621] ? 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) [ 130.479029][ T2621] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 130.479032][ T2621] put_chars (drivers/char/virtio_console.c:1176) [ 130.479033][ T2621] ? __send_to_port (drivers/char/virtio_console.c:654) [ 130.479035][ T2621] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 130.479038][ T2621] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 130.479042][ T2621] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 130.479044][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479045][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.479048][ T2621] console_emit_next_record (kernel/printk/printk.c:3183) [ 130.479050][ T2621] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 130.479052][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479053][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479054][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479055][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.479057][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 130.479058][ T2621] console_flush_one_record (kernel/printk/printk.c:3268) [ 130.479061][ T2621] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 130.479063][ T2621] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 130.479065][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.479067][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 130.479068][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479069][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.479071][ T2621] ? 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) [ 130.479072][ T2621] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 130.479074][ T2621] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 130.479076][ T2621] ? vprintk_emit (kernel/printk/printk.c:2478) [ 130.479077][ T2621] vprintk_emit (kernel/printk/printk.c:2479) [ 130.479079][ T2621] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 130.479080][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.479081][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 130.479085][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.479087][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479090][ T2621] _printk (kernel/printk/printk.c:2504) [ 130.479094][ T2621] ? snapshot_read.cold (user.c:?) [ 130.479097][ T2621] ? br_multicast_flood (??:?) [ 130.479101][ T2621] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 130.479104][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 130.479106][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 130.479109][ T2621] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 130.479113][ T2621] br_init_port (net/bridge/br_stp_if.c:39) [ 130.479115][ T2621] new_nbp (net/bridge/br_if.c:449) [ 130.479118][ T2621] br_add_if (net/bridge/br_if.c:592) [ 130.479121][ T2621] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 130.479125][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 130.479128][ T2621] do_set_master (net/core/rtnetlink.c:3071) [ 130.479129][ T2621] ? netif_change_flags (net/core/dev.c:9882) [ 130.479131][ T2621] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 130.479133][ T2621] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 130.479134][ T2621] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 130.479135][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479136][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 130.479140][ T2621] ? kasan_save_stack (mm/kasan/common.c:58) [ 130.479142][ T2621] ? kasan_save_stack (mm/kasan/common.c:57) [ 130.479143][ T2621] ? kasan_save_track (mm/kasan/common.c:78) [ 130.479144][ T2621] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 130.479145][ T2621] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 130.479146][ T2621] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 130.479147][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 130.479148][ T2621] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 130.479151][ T2621] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 130.479152][ T2621] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 130.479154][ T2621] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 130.479156][ T2621] ? ____sys_sendmsg (net/socket.c:2713) [ 130.479162][ T2621] ? ___sys_sendmsg (net/socket.c:2767) [ 130.479163][ T2621] ? __sys_sendmsg (net/socket.c:2799) [ 130.479165][ T2621] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 130.479169][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 130.479171][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479172][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.479174][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479174][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479175][ T2621] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 130.479177][ T2621] ? __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) [ 130.479179][ T2621] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 130.479180][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 130.479181][ T2621] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 130.479182][ T2621] ? nla_get_range_signed (lib/nlattr.c:270) [ 130.479186][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479187][ T2621] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 130.479189][ T2621] rtnl_newlink (net/core/rtnetlink.c:4215) [ 130.479191][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479192][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 130.479193][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.479194][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479196][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 130.479198][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 130.479199][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 130.479201][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479202][ T2621] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 130.479205][ T2621] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 130.479207][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479208][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.479210][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479211][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 130.479212][ T2621] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 130.479214][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 130.479215][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 130.479216][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 130.479218][ T2621] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 130.479220][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 130.479221][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.479223][ T2621] ? netlink_ack (./include/linux/skbuff.h:2718) [ 130.479224][ T2621] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 130.479228][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479229][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.479231][ T2621] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 130.479233][ T2621] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 130.479235][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 130.479237][ T2621] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 130.479239][ T2621] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 130.479240][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 130.479242][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.479243][ T2621] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 130.479247][ T2621] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 130.479248][ T2621] ____sys_sendmsg (net/socket.c:2713) [ 130.479250][ T2621] ? copy_msghdr_from_user (net/socket.c:2650) [ 130.479251][ T2621] ? sock_write_iter (net/socket.c:1269) [ 130.479253][ T2621] ? move_addr_to_kernel (net/socket.c:258) [ 130.479254][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 130.479257][ T2621] ___sys_sendmsg (net/socket.c:2767) [ 130.479258][ T2621] ? copy_msghdr_from_user (net/socket.c:2619) [ 130.479263][ T2621] __sys_sendmsg (net/socket.c:2799) [ 130.479265][ T2621] ? __sys_sendmsg_sock (net/socket.c:2780) [ 130.479268][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.479269][ T2621] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 130.479271][ T2621] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 130.479273][ T2621] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 130.479274][ T2621] RIP: 0033:0x7f97727e154e [ 130.479276][ T2621] 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 [ 130.479278][ T2621] RSP: 002b:00007ffc93b8cc20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 130.479281][ T2621] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f97727e154e [ 130.479283][ T2621] RDX: 0000000000000000 RSI: 00007ffc93b8ccd0 RDI: 0000000000000005 [ 130.479283][ T2621] RBP: 00007ffc93b8cc30 R08: 0000000000000000 R09: 0000000000000000 [ 130.479284][ T2621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ce8 [ 130.479285][ T2621] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc93b8d3a0 | [ 137.815777][ T72] softirqs last disabled at (429132): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 137.815779][ T72] Preemption disabled at: | [ 137.815779][ T72] 0x0 | [ 137.815790][ T72] Tainted: [W]=WARN [ 137.815791][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 137.815792][ T72] Workqueue: netns cleanup_net [ 137.815798][ T72] Call Trace: [ 137.815799][ T72] [ 137.815801][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 137.815807][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 137.815811][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 137.815815][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.815818][ T72] __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)) [ 137.815821][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.815824][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 137.815829][ T72] ? 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) [ 137.815830][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 137.815833][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 137.815835][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 137.815836][ T72] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 137.815839][ T72] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 137.815841][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 137.815846][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 137.815847][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.815849][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.815852][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 137.815854][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 137.815856][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.815857][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.815858][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.815859][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.815861][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 137.815863][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 137.815865][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 137.815868][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 137.815870][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.815871][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 137.815873][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.815874][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 137.815875][ T72] ? 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) [ 137.815877][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 137.815878][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 137.815880][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 137.815881][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 137.815883][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 137.815884][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.815885][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 137.815888][ T72] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 137.815890][ T72] _printk (kernel/printk/printk.c:2504) [ 137.815893][ T72] ? snapshot_read.cold (user.c:?) [ 137.815895][ T72] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 137.815898][ T72] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 137.815902][ T72] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 137.815904][ T72] br_device_event (net/bridge/br.c:111) [ 137.815906][ T72] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 137.815908][ T72] ? packet_sendmsg_spkt (af_packet.c:?) [ 137.815910][ T72] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 137.815912][ T72] notifier_call_chain (kernel/notifier.c:85) [ 137.815915][ T72] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 137.815918][ T72] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 137.815921][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.815922][ T72] ? __dev_close_many (net/core/dev.c:1804) [ 137.815924][ T72] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 137.815926][ T72] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 137.815928][ T72] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 137.815929][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 137.815932][ T72] ? kthread (kernel/kthread.c:436) [ 137.815934][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 137.815937][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 137.815939][ T72] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 137.815941][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.815942][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 137.815944][ T72] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 137.815945][ T72] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 137.815947][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.815948][ T72] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 137.815949][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 137.815951][ T72] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 137.815954][ T72] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 137.815956][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 137.815958][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 137.815961][ T72] cleanup_net (net/core/net_namespace.c:706) [ 137.815963][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 137.815964][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.815965][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.815967][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.815968][ T72] process_one_work (kernel/workqueue.c:3387) [ 137.815971][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 137.815973][ T72] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 137.815975][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.815977][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 137.815979][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 137.815981][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 137.815983][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 137.815985][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 137.815987][ T72] kthread (kernel/kthread.c:436) [ 137.815988][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 137.815989][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 137.815991][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 137.815993][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 137.815995][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 137.815997][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 137.815999][ T72] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 139.866330][ T2842] softirqs last disabled at (0): 0x0 | [ 139.866332][ T2842] Preemption disabled at: | [ 139.866333][ T2842] vprintk_emit (kernel/printk/printk.c:2471) | [ 139.866343][ T2842] Tainted: [W]=WARN [ 139.866344][ T2842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 139.866346][ T2842] Call Trace: [ 139.866348][ T2842] [ 139.866349][ T2842] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 139.866355][ T2842] ? vprintk_emit (kernel/printk/printk.c:2471) [ 139.866356][ T2842] __might_resched.cold (kernel/sched/core.c:9234) [ 139.866361][ T2842] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 139.866364][ T2842] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 139.866368][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866376][ T2842] __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)) [ 139.866379][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.866382][ T2842] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 139.866387][ T2842] ? 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) [ 139.866389][ T2842] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 139.866392][ T2842] put_chars (drivers/char/virtio_console.c:1176) [ 139.866393][ T2842] ? __send_to_port (drivers/char/virtio_console.c:654) [ 139.866395][ T2842] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 139.866398][ T2842] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 139.866402][ T2842] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 139.866404][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866406][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.866408][ T2842] console_emit_next_record (kernel/printk/printk.c:3183) [ 139.866411][ T2842] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 139.866413][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866414][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866415][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866416][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.866418][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 139.866420][ T2842] console_flush_one_record (kernel/printk/printk.c:3268) [ 139.866422][ T2842] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 139.866425][ T2842] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 139.866427][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.866429][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 139.866430][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866431][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 139.866433][ T2842] ? 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) [ 139.866434][ T2842] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 139.866436][ T2842] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 139.866438][ T2842] ? vprintk_emit (kernel/printk/printk.c:2478) [ 139.866439][ T2842] vprintk_emit (kernel/printk/printk.c:2479) [ 139.866441][ T2842] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 139.866442][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.866444][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 139.866447][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.866448][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866450][ T2842] _printk (kernel/printk/printk.c:2504) [ 139.866453][ T2842] ? snapshot_read.cold (user.c:?) [ 139.866455][ T2842] ? br_multicast_flood (??:?) [ 139.866459][ T2842] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 139.866462][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 139.866463][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 139.866465][ T2842] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 139.866467][ T2842] br_init_port (net/bridge/br_stp_if.c:39) [ 139.866469][ T2842] new_nbp (net/bridge/br_if.c:449) [ 139.866471][ T2842] br_add_if (net/bridge/br_if.c:592) [ 139.866473][ T2842] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 139.866477][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 139.866480][ T2842] do_set_master (net/core/rtnetlink.c:3071) [ 139.866481][ T2842] ? netif_change_flags (net/core/dev.c:9882) [ 139.866483][ T2842] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 139.866485][ T2842] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 139.866487][ T2842] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 139.866488][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866489][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 139.866493][ T2842] ? kasan_save_stack (mm/kasan/common.c:58) [ 139.866495][ T2842] ? kasan_save_stack (mm/kasan/common.c:57) [ 139.866496][ T2842] ? kasan_save_track (mm/kasan/common.c:78) [ 139.866497][ T2842] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 139.866498][ T2842] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 139.866499][ T2842] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 139.866500][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 139.866501][ T2842] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 139.866504][ T2842] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 139.866506][ T2842] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 139.866508][ T2842] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 139.866510][ T2842] ? ____sys_sendmsg (net/socket.c:2713) [ 139.866512][ T2842] ? ___sys_sendmsg (net/socket.c:2767) [ 139.866513][ T2842] ? __sys_sendmsg (net/socket.c:2799) [ 139.866515][ T2842] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 139.866518][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 139.866521][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866522][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.866524][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866525][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866526][ T2842] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 139.866527][ T2842] ? __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) [ 139.866529][ T2842] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 139.866530][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 139.866532][ T2842] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 139.866533][ T2842] ? nla_get_range_signed (lib/nlattr.c:270) [ 139.866536][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866538][ T2842] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 139.866540][ T2842] rtnl_newlink (net/core/rtnetlink.c:4215) [ 139.866542][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866543][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 139.866544][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.866546][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866547][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 139.866550][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 139.866551][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 139.866553][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866554][ T2842] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 139.866557][ T2842] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 139.866559][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866560][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.866562][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866563][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 139.866565][ T2842] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 139.866566][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 139.866568][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 139.866569][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 139.866571][ T2842] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 139.866573][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 139.866574][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 139.866576][ T2842] ? netlink_ack (./include/linux/skbuff.h:2718) [ 139.866578][ T2842] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 139.866581][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866582][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 139.866584][ T2842] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 139.866586][ T2842] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 139.866588][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 139.866590][ T2842] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 139.866592][ T2842] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 139.866594][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 139.866595][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.866597][ T2842] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 139.866600][ T2842] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 139.866602][ T2842] ____sys_sendmsg (net/socket.c:2713) [ 139.866604][ T2842] ? copy_msghdr_from_user (net/socket.c:2650) [ 139.866605][ T2842] ? sock_write_iter (net/socket.c:1269) [ 139.866607][ T2842] ? move_addr_to_kernel (net/socket.c:258) [ 139.866608][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 139.866611][ T2842] ___sys_sendmsg (net/socket.c:2767) [ 139.866613][ T2842] ? copy_msghdr_from_user (net/socket.c:2619) [ 139.866618][ T2842] __sys_sendmsg (net/socket.c:2799) [ 139.866619][ T2842] ? __sys_sendmsg_sock (net/socket.c:2780) [ 139.866622][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.866624][ T2842] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 139.866626][ T2842] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 139.866628][ T2842] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 139.866629][ T2842] RIP: 0033:0x7fef0db3754e [ 139.866631][ T2842] 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 [ 139.866633][ T2842] RSP: 002b:00007ffc007b4760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 139.866637][ T2842] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fef0db3754e [ 139.866638][ T2842] RDX: 0000000000000000 RSI: 00007ffc007b4810 RDI: 0000000000000005 [ 139.866639][ T2842] RBP: 00007ffc007b4770 R08: 0000000000000000 R09: 0000000000000000 [ 139.866640][ T2842] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912cf2 [ 139.866641][ T2842] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc007b4ee0 | [ 147.239662][ T72] softirqs last disabled at (429132): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 147.239664][ T72] Preemption disabled at: | [ 147.239665][ T72] 0x0 | [ 147.239675][ T72] Tainted: [W]=WARN [ 147.239676][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 147.239677][ T72] Workqueue: netns cleanup_net [ 147.239683][ T72] Call Trace: [ 147.239685][ T72] [ 147.239687][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 147.239693][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 147.239696][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 147.239700][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.239703][ T72] __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)) [ 147.239705][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 147.239709][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 147.239713][ T72] ? 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) [ 147.239715][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 147.239718][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 147.239719][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 147.239720][ T72] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 147.239723][ T72] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 147.239725][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 147.239730][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 147.239732][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 147.239733][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 147.239736][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 147.239739][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 147.239741][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.239742][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.239743][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.239744][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 147.239745][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 147.239747][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 147.239749][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 147.239752][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 147.239754][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 147.239755][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 147.239757][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.239758][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 147.239759][ T72] ? 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) [ 147.239761][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 147.239762][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 147.239764][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 147.239766][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 147.239768][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 147.239769][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.239770][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 147.239773][ T72] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 147.239775][ T72] _printk (kernel/printk/printk.c:2504) [ 147.239778][ T72] ? snapshot_read.cold (user.c:?) [ 147.239780][ T72] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 147.239783][ T72] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 147.239786][ T72] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 147.239788][ T72] br_device_event (net/bridge/br.c:111) [ 147.239791][ T72] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 147.239792][ T72] ? packet_sendmsg_spkt (af_packet.c:?) [ 147.239794][ T72] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 147.239797][ T72] notifier_call_chain (kernel/notifier.c:85) [ 147.239800][ T72] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 147.239803][ T72] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 147.239805][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 147.239807][ T72] ? __dev_close_many (net/core/dev.c:1804) [ 147.239808][ T72] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 147.239810][ T72] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 147.239812][ T72] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 147.239814][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 147.239817][ T72] ? kthread (kernel/kthread.c:436) [ 147.239819][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 147.239821][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 147.239824][ T72] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 147.239825][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.239826][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 147.239828][ T72] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 147.239830][ T72] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 147.239831][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 147.239833][ T72] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 147.239834][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 147.239836][ T72] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 147.239838][ T72] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 147.239840][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 147.239842][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 147.239845][ T72] cleanup_net (net/core/net_namespace.c:706) [ 147.239847][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 147.239849][ T72] ? update_load_avg (kernel/sched/fair.c:5864) [ 147.239851][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 147.239853][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.239854][ T72] process_one_work (kernel/workqueue.c:3387) [ 147.239857][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 147.239859][ T72] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 147.239861][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 147.239863][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 147.239866][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 147.239867][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 147.239869][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 147.239871][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 147.239872][ T72] kthread (kernel/kthread.c:436) [ 147.239874][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 147.239875][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 147.239877][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 147.239879][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 147.239880][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 147.239883][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __fib6_clean_all:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars