====================================== | [ 9.875143][ T225] softirqs last disabled at (18826): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.875145][ T225] Preemption disabled at: | [ 9.875146][ T225] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.875154][ T225] Tainted: [W]=WARN [ 9.875155][ T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.875157][ T225] Call Trace: [ 9.875158][ T225] [ 9.875160][ T225] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.875165][ T225] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.875167][ T225] __might_resched.cold (kernel/sched/core.c:9234) [ 9.875171][ T225] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.875175][ T225] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.875179][ T225] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.875181][ T225] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.875187][ T225] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.875190][ T225] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.875193][ T225] put_chars (drivers/char/virtio_console.c:1176) [ 9.875196][ T225] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.875202][ T225] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.875209][ T225] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.875212][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.875216][ T225] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.875220][ T225] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.875222][ T225] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.875225][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.875227][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.875231][ T225] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.875235][ T225] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.875237][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.875242][ T225] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.875245][ T225] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.875246][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.875248][ T225] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.875252][ T225] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.875253][ T225] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.875256][ T225] vprintk_emit (kernel/printk/printk.c:2479) [ 9.875259][ T225] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.875261][ T225] ? save_trace (kernel/locking/lockdep.c:589) [ 9.875265][ T225] _printk (kernel/printk/printk.c:2504) [ 9.875268][ T225] ? snapshot_read.cold (user.c:?) [ 9.875272][ T225] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.875274][ T225] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 9.875278][ T225] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 9.875280][ T225] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.875283][ T225] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.875285][ T225] ? netdev_notice (net/core/dev.c:13194) [ 9.875288][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.875291][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.875293][ T225] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.875296][ T225] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.875298][ T225] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.875300][ T225] ? register_netdev (net/core/dev.c:11618) [ 9.875302][ T225] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 9.875307][ T225] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.875309][ T225] ? __kernel_text_address (kernel/extable.c:79) [ 9.875312][ T225] ? write_profile (profile.c:?) [ 9.875316][ T225] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.875321][ T225] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.875324][ T225] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 9.875326][ T225] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.875328][ T225] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 9.875330][ T225] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 9.875333][ T225] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.875335][ T225] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.875337][ T225] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.875339][ T225] ? kasan_save_stack (mm/kasan/common.c:58) [ 9.875341][ T225] ? kasan_save_stack (mm/kasan/common.c:57) [ 9.875342][ T225] ? kasan_save_track (mm/kasan/common.c:78) [ 9.875344][ T225] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 9.875346][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.875348][ T225] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 9.875350][ T225] ? ___sys_sendmsg (net/socket.c:2758) [ 9.875354][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.875356][ T225] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.875358][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.875360][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.875361][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.875362][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.875364][ T225] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.875366][ T225] ? __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) [ 9.875369][ T225] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.875371][ T225] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.875374][ T225] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.875375][ T225] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.875380][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.875382][ T225] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 9.875387][ T225] rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.875392][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.875394][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.875399][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.875400][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.875402][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.875404][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.875408][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.875410][ T225] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.875413][ T225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.875414][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.875418][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.875420][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.875423][ T225] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.875426][ T225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.875429][ T225] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.875435][ T225] ? 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)) [ 9.875437][ T225] ? 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)) [ 9.875441][ T225] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.875445][ T225] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.875448][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.875452][ T225] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.875456][ T225] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.875459][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.875461][ T225] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 9.875466][ T225] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 9.875468][ T225] ____sys_sendmsg (net/socket.c:2713) [ 9.875471][ T225] ? copy_msghdr_from_user (net/socket.c:2650) [ 9.875473][ T225] ? sock_write_iter (net/socket.c:1269) [ 9.875474][ T225] ? move_addr_to_kernel (net/socket.c:258) [ 9.875481][ T225] ___sys_sendmsg (net/socket.c:2767) [ 9.875484][ T225] ? copy_msghdr_from_user (net/socket.c:2619) [ 9.875499][ T225] __sys_sendmsg (net/socket.c:2799) [ 9.875502][ T225] ? __sys_sendmsg_sock (net/socket.c:2780) [ 9.875508][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.875511][ T225] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.875514][ T225] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.875517][ T225] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.875519][ T225] RIP: 0033:0x7f658bfe954e [ 9.875522][ T225] 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 [ 9.875524][ T225] RSP: 002b:00007ffe114c72a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.875526][ T225] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f658bfe954e [ 9.875528][ T225] RDX: 0000000000000000 RSI: 00007ffe114c7350 RDI: 0000000000000005 [ 9.875529][ T225] RBP: 00007ffe114c72b0 R08: 0000000000000000 R09: 0000000000000000 [ 9.875529][ T225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919817 [ 9.875530][ T225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe114c7a10 | [ 16.164832][ T290] softirqs last disabled at (28529): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 16.164834][ T290] Preemption disabled at: | [ 16.164835][ T290] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.164843][ T290] Tainted: [W]=WARN [ 16.164844][ T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.164845][ T290] Call Trace: [ 16.164847][ T290] [ 16.164848][ T290] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.164854][ T290] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.164856][ T290] __might_resched.cold (kernel/sched/core.c:9234) [ 16.164860][ T290] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.164864][ T290] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.164868][ T290] __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)) [ 16.164870][ T290] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.164876][ T290] ? 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) [ 16.164879][ T290] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.164883][ T290] put_chars (drivers/char/virtio_console.c:1176) [ 16.164884][ T290] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 16.164886][ T290] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.164889][ T290] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.164892][ T290] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.164897][ T290] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.164900][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.164902][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.164906][ T290] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.164908][ T290] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.164911][ T290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.164914][ T290] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.164917][ T290] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.164921][ T290] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.164923][ T290] ? 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)) [ 16.164926][ T290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.164928][ T290] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.164932][ T290] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.164936][ T290] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.164938][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.164943][ T290] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.164945][ T290] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.164947][ T290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.164949][ T290] ? 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) [ 16.164953][ T290] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.164954][ T290] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.164957][ T290] vprintk_emit (kernel/printk/printk.c:2479) [ 16.164961][ T290] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.164965][ T290] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 16.164968][ T290] _printk (kernel/printk/printk.c:2504) [ 16.164972][ T290] ? snapshot_read.cold (user.c:?) [ 16.164977][ T290] ? 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) [ 16.164981][ T290] gact_init_module (net/sched/act_gact.c:180) act_gact [ 16.164983][ T290] do_one_initcall (init/main.c:1357) [ 16.164986][ T290] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 16.164990][ T290] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 16.164992][ T290] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 16.164998][ T290] do_init_module (kernel/module/main.c:3117) [ 16.165001][ T290] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.165005][ T290] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 16.165007][ T290] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 16.165011][ T290] load_module (kernel/module/main.c:3593) [ 16.165015][ T290] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 16.165020][ T290] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 16.165023][ T290] ? __ia32_sys_fsconfig (??:?) [ 16.165027][ T290] ? backing_file_read_iter (fs/backing-file.c:211) [ 16.165031][ T290] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.165034][ T290] init_module_from_file (kernel/module/main.c:3790) [ 16.165036][ T290] ? __do_sys_init_module (kernel/module/main.c:3664) [ 16.165044][ T290] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.165047][ T290] ? 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) [ 16.165050][ T290] idempotent_init_module (kernel/module/main.c:3802) [ 16.165053][ T290] ? init_module_from_file (kernel/module/main.c:3791) [ 16.165058][ T290] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 16.165060][ T290] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 16.165065][ T290] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 16.165067][ T290] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.165071][ T290] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.165073][ T290] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.165076][ T290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.165078][ T290] RIP: 0033:0x7f598517d37d [ 16.165081][ T290] 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 [ 16.165083][ T290] RSP: 002b:00007ffd9177f748 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 16.165085][ T290] RAX: ffffffffffffffda RBX: 0000555c69e77810 RCX: 00007f598517d37d [ 16.165087][ T290] RDX: 0000000000000000 RSI: 0000555c3dde9ffd RDI: 0000000000000000 [ 16.165088][ T290] RBP: 00007ffd9177f7e0 R08: 0000000000000000 R09: 0000000000000000 [ 16.165088][ T290] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555c3dde9ffd [ 16.165089][ T290] R13: 0000555c69e77960 R14: 0000000000040000 R15: 0000000000000000 | [ 17.203253][ T39] softirqs last disabled at (111932): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 17.203256][ T39] Preemption disabled at: | [ 17.203256][ T39] 0x0 | [ 17.203266][ T39] Tainted: [W]=WARN [ 17.203267][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.203268][ T39] Workqueue: events_unbound linkwatch_event [ 17.203272][ T39] Call Trace: [ 17.203273][ T39] [ 17.203275][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.203281][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 17.203285][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.203289][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.203294][ T39] __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)) [ 17.203296][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.203303][ T39] ? 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) [ 17.203305][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.203309][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 17.203311][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.203314][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.203317][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.203320][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.203324][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.203328][ T39] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.203330][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.203332][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.203336][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.203338][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.203343][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.203347][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.203351][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.203353][ T39] ? 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)) [ 17.203356][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.203358][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.203362][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.203367][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.203369][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.203374][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.203377][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.203379][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.203381][ T39] ? 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) [ 17.203385][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.203386][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.203389][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 17.203393][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.203394][ T39] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 17.203396][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.203398][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.203402][ T39] _printk (kernel/printk/printk.c:2504) [ 17.203406][ T39] ? snapshot_read.cold (user.c:?) [ 17.203411][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.203415][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 17.203419][ T39] br_init_port (net/bridge/br_stp_if.c:39) [ 17.203422][ T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 17.203424][ T39] br_port_carrier_check (net/bridge/br_if.c:90) [ 17.203427][ T39] br_device_event (net/bridge/br.c:101) [ 17.203430][ T39] ? fib6_ifdown (net/ipv6/route.c:4976) [ 17.203432][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 17.203438][ T39] notifier_call_chain (kernel/notifier.c:85) [ 17.203444][ T39] netif_state_change (net/core/dev.c:1625) [ 17.203449][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.203454][ T39] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 17.203456][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 17.203459][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.203462][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.203466][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 17.203469][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 17.203472][ T39] process_one_work (kernel/workqueue.c:3387) [ 17.203479][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.203482][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.203490][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.203497][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.203499][ T39] kthread (kernel/kthread.c:436) [ 17.203501][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.203505][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.203508][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.203512][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.203515][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.203518][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.203521][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.636692][ T383] softirqs last disabled at (28430): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 18.636695][ T383] Preemption disabled at: | [ 18.636695][ T383] 0x0 | [ 18.636705][ T383] Tainted: [W]=WARN [ 18.636706][ T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.636708][ T383] Call Trace: [ 18.636709][ T383] [ 18.636711][ T383] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.636717][ T383] __might_resched.cold (kernel/sched/core.c:9234) [ 18.636722][ T383] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.636726][ T383] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.636730][ T383] __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)) [ 18.636732][ T383] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.636739][ T383] ? 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) [ 18.636741][ T383] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.636745][ T383] put_chars (drivers/char/virtio_console.c:1176) [ 18.636747][ T383] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.636754][ T383] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.636761][ T383] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.636765][ T383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.636769][ T383] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.636773][ T383] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.636775][ T383] ? 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)) [ 18.636778][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.636781][ T383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.636785][ T383] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.636789][ T383] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.636791][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.636796][ T383] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.636799][ T383] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.636801][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.636803][ T383] ? 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) [ 18.636806][ T383] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.636808][ T383] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.636811][ T383] vprintk_emit (kernel/printk/printk.c:2479) [ 18.636814][ T383] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.636815][ T383] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 18.636821][ T383] _printk (kernel/printk/printk.c:2504) [ 18.636824][ T383] ? snapshot_read.cold (user.c:?) [ 18.636832][ T383] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 18.636837][ T383] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 18.636840][ T383] br_device_event (net/bridge/br.c:111) [ 18.636842][ T383] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 18.636846][ T383] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.636852][ T383] notifier_call_chain (kernel/notifier.c:85) [ 18.636857][ T383] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 18.636861][ T383] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 18.636865][ T383] ? netif_change_name (net/core/dev.c:1517) [ 18.636869][ T383] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 18.636873][ T383] ? write_profile (profile.c:?) [ 18.636878][ T383] netif_change_flags (net/core/dev.c:9882) [ 18.636882][ T383] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 18.636885][ T383] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 18.636887][ T383] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 18.636888][ T383] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 18.636891][ T383] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 18.636894][ T383] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.636896][ T383] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.636898][ T383] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.636901][ T383] ? kasan_save_stack (mm/kasan/common.c:58) [ 18.636903][ T383] ? kasan_save_stack (mm/kasan/common.c:57) [ 18.636904][ T383] ? kasan_save_track (mm/kasan/common.c:78) [ 18.636906][ T383] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 18.636908][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.636910][ T383] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 18.636912][ T383] ? ___sys_sendmsg (net/socket.c:2758) [ 18.636916][ T383] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.636918][ T383] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 18.636921][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.636923][ T383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.636924][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.636925][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.636927][ T383] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 18.636929][ T383] ? __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) [ 18.636931][ T383] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 18.636932][ T383] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 18.636936][ T383] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 18.636939][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.636942][ T383] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 18.636947][ T383] rtnl_newlink (net/core/rtnetlink.c:4215) [ 18.636952][ T383] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 18.636954][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.636959][ T383] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.636961][ T383] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.636963][ T383] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 18.636965][ T383] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.636968][ T383] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 18.636970][ T383] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 18.636974][ T383] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 18.636975][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.636979][ T383] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.636981][ T383] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.636985][ T383] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 18.636988][ T383] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 18.636991][ T383] ? netlink_ack (./include/linux/skbuff.h:2718) [ 18.636997][ T383] ? 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)) [ 18.636999][ T383] ? 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)) [ 18.637004][ T383] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 18.637008][ T383] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.637010][ T383] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.637015][ T383] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 18.637019][ T383] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.637022][ T383] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.637024][ T383] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 18.637030][ T383] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 18.637032][ T383] ____sys_sendmsg (net/socket.c:2713) [ 18.637035][ T383] ? copy_msghdr_from_user (net/socket.c:2650) [ 18.637037][ T383] ? sock_write_iter (net/socket.c:1269) [ 18.637039][ T383] ? move_addr_to_kernel (net/socket.c:258) [ 18.637046][ T383] ___sys_sendmsg (net/socket.c:2767) [ 18.637049][ T383] ? copy_msghdr_from_user (net/socket.c:2619) [ 18.637065][ T383] __sys_sendmsg (net/socket.c:2799) [ 18.637068][ T383] ? __sys_sendmsg_sock (net/socket.c:2780) [ 18.637074][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.637078][ T383] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.637081][ T383] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.637083][ T383] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.637085][ T383] RIP: 0033:0x7f51e0e9454e [ 18.637087][ T383] 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 [ 18.637089][ T383] RSP: 002b:00007ffc62821cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 18.637091][ T383] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f51e0e9454e [ 18.637093][ T383] RDX: 0000000000000000 RSI: 00007ffc62821da0 RDI: 0000000000000005 [ 18.637094][ T383] RBP: 00007ffc62821d00 R08: 0000000000000000 R09: 0000000000000000 [ 18.637094][ T383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91981f [ 18.637095][ T383] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc62822470 | [ 20.039433][ T39] softirqs last disabled at (141204): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 20.039436][ T39] Preemption disabled at: | [ 20.039436][ T39] 0x0 | [ 20.039446][ T39] Tainted: [W]=WARN [ 20.039447][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.039449][ T39] Workqueue: events_unbound linkwatch_event [ 20.039452][ T39] Call Trace: [ 20.039454][ T39] [ 20.039455][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.039462][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 20.039466][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.039470][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.039475][ T39] __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)) [ 20.039476][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.039483][ T39] ? 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) [ 20.039486][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.039489][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 20.039492][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.039495][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.039498][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.039503][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.039507][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.039509][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.039513][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.039517][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.039520][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.039524][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.039528][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.039530][ T39] ? 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)) [ 20.039533][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.039535][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.039539][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.039543][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.039545][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.039551][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.039554][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.039555][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.039557][ T39] ? 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) [ 20.039561][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.039563][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.039565][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 20.039569][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.039570][ T39] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.039572][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.039574][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.039578][ T39] _printk (kernel/printk/printk.c:2504) [ 20.039582][ T39] ? snapshot_read.cold (user.c:?) [ 20.039584][ T39] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 20.039591][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 20.039595][ T39] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 20.039599][ T39] br_port_carrier_check (net/bridge/br_if.c:95) [ 20.039603][ T39] br_device_event (net/bridge/br.c:101) [ 20.039606][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.039612][ T39] notifier_call_chain (kernel/notifier.c:85) [ 20.039618][ T39] netif_state_change (net/core/dev.c:1625) [ 20.039622][ T39] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 20.039626][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.039630][ T39] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 20.039632][ T39] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 20.039634][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 20.039637][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.039640][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.039644][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 20.039647][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 20.039650][ T39] process_one_work (kernel/workqueue.c:3387) [ 20.039659][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.039662][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.039670][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.039677][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.039679][ T39] kthread (kernel/kthread.c:436) [ 20.039681][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.039685][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.039687][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.039692][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.039695][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.039699][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.039702][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.628192][ T491] softirqs last disabled at (18760): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 21.628195][ T491] Preemption disabled at: | [ 21.628195][ T491] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.628203][ T491] Tainted: [W]=WARN [ 21.628204][ T491] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.628206][ T491] Call Trace: [ 21.628207][ T491] [ 21.628208][ T491] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.628214][ T491] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.628216][ T491] __might_resched.cold (kernel/sched/core.c:9234) [ 21.628221][ T491] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.628225][ T491] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.628229][ T491] __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)) [ 21.628231][ T491] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.628237][ T491] ? 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) [ 21.628240][ T491] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.628244][ T491] put_chars (drivers/char/virtio_console.c:1176) [ 21.628246][ T491] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.628252][ T491] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.628260][ T491] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.628263][ T491] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.628267][ T491] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.628271][ T491] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.628273][ T491] ? 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)) [ 21.628276][ T491] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.628279][ T491] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.628283][ T491] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.628287][ T491] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.628289][ T491] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.628294][ T491] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.628297][ T491] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.628299][ T491] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.628300][ T491] ? 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) [ 21.628304][ T491] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.628306][ T491] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.628308][ T491] vprintk_emit (kernel/printk/printk.c:2479) [ 21.628311][ T491] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.628314][ T491] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 21.628319][ T491] _printk (kernel/printk/printk.c:2504) [ 21.628323][ T491] ? snapshot_read.cold (user.c:?) [ 21.628324][ T491] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.628327][ T491] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.628330][ T491] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.628332][ T491] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 21.628335][ T491] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 21.628338][ T491] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 21.628341][ T491] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.628343][ T491] ? netdev_notice (net/core/dev.c:13194) [ 21.628346][ T491] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.628349][ T491] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.628352][ T491] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.628355][ T491] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 21.628357][ T491] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 21.628359][ T491] ? register_netdev (net/core/dev.c:11618) [ 21.628361][ T491] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 21.628366][ T491] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 21.628368][ T491] ? __kernel_text_address (kernel/extable.c:79) [ 21.628370][ T491] ? write_profile (profile.c:?) [ 21.628374][ T491] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 21.628380][ T491] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 21.628383][ T491] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 21.628385][ T491] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 21.628387][ T491] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 21.628389][ T491] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 21.628392][ T491] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.628394][ T491] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.628396][ T491] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.628398][ T491] ? kasan_save_stack (mm/kasan/common.c:58) [ 21.628400][ T491] ? kasan_save_stack (mm/kasan/common.c:57) [ 21.628401][ T491] ? kasan_save_track (mm/kasan/common.c:78) [ 21.628402][ T491] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 21.628405][ T491] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.628406][ T491] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 21.628409][ T491] ? ___sys_sendmsg (net/socket.c:2758) [ 21.628413][ T491] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.628415][ T491] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.628418][ T491] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.628419][ T491] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.628421][ T491] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.628422][ T491] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.628424][ T491] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 21.628426][ T491] ? __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) [ 21.628427][ T491] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.628429][ T491] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.628433][ T491] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 21.628434][ T491] ? nla_get_range_signed (lib/nlattr.c:270) [ 21.628439][ T491] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.628441][ T491] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 21.628446][ T491] rtnl_newlink (net/core/rtnetlink.c:4215) [ 21.628451][ T491] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.628453][ T491] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.628458][ T491] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.628459][ T491] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.628461][ T491] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.628463][ T491] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.628467][ T491] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.628469][ T491] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.628472][ T491] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.628473][ T491] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.628478][ T491] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.628480][ T491] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.628483][ T491] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.628486][ T491] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.628489][ T491] ? netlink_ack (./include/linux/skbuff.h:2718) [ 21.628495][ T491] ? 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)) [ 21.628497][ T491] ? 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)) [ 21.628502][ T491] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.628505][ T491] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 21.628508][ T491] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.628512][ T491] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.628516][ T491] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.628520][ T491] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.628521][ T491] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 21.628526][ T491] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 21.628529][ T491] ____sys_sendmsg (net/socket.c:2713) [ 21.628531][ T491] ? copy_msghdr_from_user (net/socket.c:2650) [ 21.628534][ T491] ? sock_write_iter (net/socket.c:1269) [ 21.628535][ T491] ? move_addr_to_kernel (net/socket.c:258) [ 21.628543][ T491] ___sys_sendmsg (net/socket.c:2767) [ 21.628545][ T491] ? copy_msghdr_from_user (net/socket.c:2619) [ 21.628561][ T491] __sys_sendmsg (net/socket.c:2799) [ 21.628564][ T491] ? __sys_sendmsg_sock (net/socket.c:2780) [ 21.628570][ T491] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.628573][ T491] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.628576][ T491] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.628579][ T491] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.628581][ T491] RIP: 0033:0x7f921ae3b54e [ 21.628585][ T491] 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 [ 21.628586][ T491] RSP: 002b:00007ffd970b7c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.628589][ T491] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f921ae3b54e [ 21.628590][ T491] RDX: 0000000000000000 RSI: 00007ffd970b7d10 RDI: 0000000000000005 [ 21.628591][ T491] RBP: 00007ffd970b7c70 R08: 0000000000000000 R09: 0000000000000000 [ 21.628592][ T491] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919822 [ 21.628593][ T491] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd970b83d0 | [ 28.588829][ T95] softirqs last disabled at (104334): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 28.588832][ T95] Preemption disabled at: | [ 28.588832][ T95] 0x0 | [ 28.588842][ T95] Tainted: [W]=WARN [ 28.588843][ T95] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.588845][ T95] Workqueue: events_unbound linkwatch_event [ 28.588848][ T95] Call Trace: [ 28.588850][ T95] [ 28.588851][ T95] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.588858][ T95] __might_resched.cold (kernel/sched/core.c:9234) [ 28.588862][ T95] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.588866][ T95] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.588871][ T95] __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)) [ 28.588873][ T95] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.588879][ T95] ? 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) [ 28.588882][ T95] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.588886][ T95] put_chars (drivers/char/virtio_console.c:1176) [ 28.588888][ T95] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.588891][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.588895][ T95] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.588899][ T95] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.588903][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.588905][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.588910][ T95] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.588914][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.588916][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.588920][ T95] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.588924][ T95] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.588926][ T95] ? 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)) [ 28.588929][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.588931][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.588935][ T95] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.588940][ T95] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.588941][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.588947][ T95] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.588950][ T95] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.588952][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.588954][ T95] ? 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) [ 28.588958][ T95] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.588959][ T95] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.588962][ T95] vprintk_emit (kernel/printk/printk.c:2479) [ 28.588965][ T95] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.588967][ T95] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.588969][ T95] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.588972][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.588975][ T95] _printk (kernel/printk/printk.c:2504) [ 28.588979][ T95] ? snapshot_read.cold (user.c:?) [ 28.588982][ T95] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 28.588988][ T95] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 28.588993][ T95] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 28.588996][ T95] br_port_carrier_check (net/bridge/br_if.c:95) [ 28.589000][ T95] br_device_event (net/bridge/br.c:101) [ 28.589003][ T95] ? packet_sendmsg_spkt (af_packet.c:?) [ 28.589009][ T95] notifier_call_chain (kernel/notifier.c:85) [ 28.589015][ T95] netif_state_change (net/core/dev.c:1625) [ 28.589019][ T95] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 28.589023][ T95] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 28.589027][ T95] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 28.589029][ T95] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 28.589031][ T95] __linkwatch_run_queue (net/core/link_watch.c:240) [ 28.589034][ T95] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 28.589037][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.589041][ T95] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 28.589043][ T95] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 28.589047][ T95] process_one_work (kernel/workqueue.c:3387) [ 28.589054][ T95] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 28.589057][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.589065][ T95] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 28.589069][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 28.589071][ T95] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 28.589074][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 28.589076][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 28.589078][ T95] kthread (kernel/kthread.c:436) [ 28.589081][ T95] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.589084][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.589087][ T95] ret_from_fork (arch/x86/kernel/process.c:158) [ 28.589091][ T95] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 28.589094][ T95] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 28.589098][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.589101][ T95] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.884333][ T95] softirqs last disabled at (124636): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 29.884335][ T95] Preemption disabled at: | [ 29.884336][ T95] 0x0 | [ 29.884346][ T95] Tainted: [W]=WARN [ 29.884347][ T95] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.884348][ T95] Workqueue: events_unbound linkwatch_event [ 29.884351][ T95] Call Trace: [ 29.884353][ T95] [ 29.884355][ T95] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.884361][ T95] __might_resched.cold (kernel/sched/core.c:9234) [ 29.884366][ T95] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.884370][ T95] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.884375][ T95] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 29.884377][ T95] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.884384][ T95] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 29.884386][ T95] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.884390][ T95] put_chars (drivers/char/virtio_console.c:1176) [ 29.884393][ T95] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.884396][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.884399][ T95] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.884404][ T95] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.884408][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.884409][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.884414][ T95] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.884418][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.884420][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.884425][ T95] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.884429][ T95] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.884431][ T95] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 29.884434][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.884436][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.884440][ T95] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.884444][ T95] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.884446][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.884452][ T95] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.884455][ T95] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.884456][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.884458][ T95] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 29.884462][ T95] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.884464][ T95] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.884467][ T95] vprintk_emit (kernel/printk/printk.c:2479) [ 29.884470][ T95] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.884471][ T95] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.884474][ T95] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.884476][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.884480][ T95] _printk (kernel/printk/printk.c:2504) [ 29.884484][ T95] ? snapshot_read.cold (user.c:?) [ 29.884486][ T95] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 29.884493][ T95] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 29.884498][ T95] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 29.884501][ T95] br_port_carrier_check (net/bridge/br_if.c:95) [ 29.884505][ T95] br_device_event (net/bridge/br.c:101) [ 29.884509][ T95] ? packet_sendmsg_spkt (af_packet.c:?) [ 29.884515][ T95] notifier_call_chain (kernel/notifier.c:85) [ 29.884521][ T95] netif_state_change (net/core/dev.c:1625) [ 29.884525][ T95] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 29.884529][ T95] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.884532][ T95] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 29.884535][ T95] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 29.884537][ T95] __linkwatch_run_queue (net/core/link_watch.c:240) [ 29.884540][ T95] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.884542][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.884547][ T95] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 29.884549][ T95] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 29.884553][ T95] process_one_work (kernel/workqueue.c:3387) [ 29.884559][ T95] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 29.884562][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.884570][ T95] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 29.884575][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.884577][ T95] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 29.884580][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.884582][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.884584][ T95] kthread (kernel/kthread.c:436) [ 29.884586][ T95] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.884590][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.884593][ T95] ret_from_fork (arch/x86/kernel/process.c:158) [ 29.884597][ T95] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 29.884600][ T95] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 29.884604][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.884606][ T95] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.141829][ T95] softirqs last disabled at (134878): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 32.141832][ T95] Preemption disabled at: | [ 32.141832][ T95] 0x0 | [ 32.141842][ T95] Tainted: [W]=WARN [ 32.141843][ T95] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.141845][ T95] Workqueue: events_unbound linkwatch_event [ 32.141848][ T95] Call Trace: [ 32.141850][ T95] [ 32.141851][ T95] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.141858][ T95] __might_resched.cold (kernel/sched/core.c:9234) [ 32.141862][ T95] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.141867][ T95] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.141871][ T95] __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)) [ 32.141873][ T95] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.141880][ T95] ? 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) [ 32.141882][ T95] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.141886][ T95] put_chars (drivers/char/virtio_console.c:1176) [ 32.141888][ T95] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.141892][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.141895][ T95] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.141899][ T95] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.141903][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.141905][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.141910][ T95] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.141913][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.141916][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.141920][ T95] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.141924][ T95] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.141926][ T95] ? 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)) [ 32.141929][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.141931][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.141935][ T95] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.141939][ T95] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.141941][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.141946][ T95] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.141949][ T95] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.141951][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.141953][ T95] ? 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) [ 32.141957][ T95] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.141958][ T95] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.141961][ T95] vprintk_emit (kernel/printk/printk.c:2479) [ 32.141964][ T95] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.141966][ T95] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.141968][ T95] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.141970][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.141974][ T95] _printk (kernel/printk/printk.c:2504) [ 32.141978][ T95] ? snapshot_read.cold (user.c:?) [ 32.141980][ T95] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 32.141987][ T95] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 32.141992][ T95] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 32.141995][ T95] br_port_carrier_check (net/bridge/br_if.c:95) [ 32.141999][ T95] br_device_event (net/bridge/br.c:101) [ 32.142003][ T95] ? packet_sendmsg_spkt (af_packet.c:?) [ 32.142009][ T95] notifier_call_chain (kernel/notifier.c:85) [ 32.142015][ T95] netif_state_change (net/core/dev.c:1625) [ 32.142018][ T95] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 32.142022][ T95] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.142026][ T95] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 32.142028][ T95] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 32.142030][ T95] __linkwatch_run_queue (net/core/link_watch.c:240) [ 32.142033][ T95] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.142036][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.142040][ T95] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 32.142043][ T95] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 32.142046][ T95] process_one_work (kernel/workqueue.c:3387) [ 32.142053][ T95] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 32.142056][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.142064][ T95] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.142068][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.142070][ T95] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 32.142073][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.142076][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.142078][ T95] kthread (kernel/kthread.c:436) [ 32.142080][ T95] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.142083][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.142086][ T95] ret_from_fork (arch/x86/kernel/process.c:158) [ 32.142090][ T95] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 32.142093][ T95] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 32.142097][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.142100][ T95] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 34.086159][ T775] softirqs last disabled at (23460): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 34.086162][ T775] Preemption disabled at: | [ 34.086162][ T775] vprintk_emit (kernel/printk/printk.c:2471) | [ 34.086171][ T775] Tainted: [W]=WARN [ 34.086172][ T775] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.086174][ T775] Call Trace: [ 34.086175][ T775] [ 34.086177][ T775] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.086188][ T775] ? vprintk_emit (kernel/printk/printk.c:2471) [ 34.086189][ T775] __might_resched.cold (kernel/sched/core.c:9234) [ 34.086194][ T775] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.086198][ T775] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.086203][ T775] __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)) [ 34.086204][ T775] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.086211][ T775] ? 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) [ 34.086214][ T775] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.086217][ T775] put_chars (drivers/char/virtio_console.c:1176) [ 34.086220][ T775] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.086226][ T775] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.086233][ T775] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.086236][ T775] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.086241][ T775] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.086245][ T775] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.086247][ T775] ? 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)) [ 34.086250][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.086252][ T775] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.086256][ T775] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.086260][ T775] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.086262][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.086268][ T775] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.086270][ T775] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.086272][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.086274][ T775] ? 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) [ 34.086278][ T775] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.086279][ T775] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.086282][ T775] vprintk_emit (kernel/printk/printk.c:2479) [ 34.086285][ T775] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.086288][ T775] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 34.086293][ T775] _printk (kernel/printk/printk.c:2504) [ 34.086296][ T775] ? snapshot_read.cold (user.c:?) [ 34.086298][ T775] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.086300][ T775] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.086303][ T775] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.086305][ T775] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.086309][ T775] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.086312][ T775] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 34.086314][ T775] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.086316][ T775] ? netdev_notice (net/core/dev.c:13194) [ 34.086319][ T775] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.086322][ T775] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.086325][ T775] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 34.086328][ T775] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 34.086330][ T775] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 34.086332][ T775] ? register_netdev (net/core/dev.c:11618) [ 34.086334][ T775] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 34.086339][ T775] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 34.086342][ T775] ? __kernel_text_address (kernel/extable.c:79) [ 34.086345][ T775] ? write_profile (profile.c:?) [ 34.086349][ T775] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 34.086356][ T775] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 34.086360][ T775] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 34.086363][ T775] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 34.086364][ T775] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 34.086366][ T775] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 34.086370][ T775] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.086373][ T775] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.086375][ T775] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.086378][ T775] ? kasan_save_stack (mm/kasan/common.c:58) [ 34.086380][ T775] ? kasan_save_stack (mm/kasan/common.c:57) [ 34.086381][ T775] ? kasan_save_track (mm/kasan/common.c:78) [ 34.086383][ T775] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 34.086386][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.086388][ T775] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 34.086391][ T775] ? ___sys_sendmsg (net/socket.c:2758) [ 34.086396][ T775] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.086398][ T775] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 34.086401][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.086403][ T775] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.086405][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.086407][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.086409][ T775] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 34.086411][ T775] ? __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) [ 34.086412][ T775] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 34.086415][ T775] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 34.086418][ T775] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 34.086419][ T775] ? nla_get_range_signed (lib/nlattr.c:270) [ 34.086425][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.086427][ T775] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 34.086433][ T775] rtnl_newlink (net/core/rtnetlink.c:4215) [ 34.086439][ T775] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.086441][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.086446][ T775] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.086447][ T775] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.086449][ T775] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.086451][ T775] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.086455][ T775] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.086458][ T775] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 34.086461][ T775] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.086462][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.086467][ T775] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.086469][ T775] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.086473][ T775] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.086476][ T775] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.086479][ T775] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.086486][ T775] ? 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)) [ 34.086488][ T775] ? 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)) [ 34.086493][ T775] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.086497][ T775] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.086500][ T775] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.086505][ T775] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.086509][ T775] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.086513][ T775] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.086515][ T775] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 34.086520][ T775] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 34.086523][ T775] ____sys_sendmsg (net/socket.c:2713) [ 34.086525][ T775] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.086527][ T775] ? sock_write_iter (net/socket.c:1269) [ 34.086529][ T775] ? move_addr_to_kernel (net/socket.c:258) [ 34.086536][ T775] ___sys_sendmsg (net/socket.c:2767) [ 34.086539][ T775] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.086554][ T775] __sys_sendmsg (net/socket.c:2799) [ 34.086557][ T775] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.086563][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.086566][ T775] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.086569][ T775] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.086572][ T775] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.086574][ T775] RIP: 0033:0x7f788aa1a54e [ 34.086578][ T775] 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 [ 34.086580][ T775] RSP: 002b:00007fff0a8cf160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.086583][ T775] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f788aa1a54e [ 34.086584][ T775] RDX: 0000000000000000 RSI: 00007fff0a8cf210 RDI: 0000000000000005 [ 34.086585][ T775] RBP: 00007fff0a8cf170 R08: 0000000000000000 R09: 0000000000000000 [ 34.086586][ T775] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91982f [ 34.086587][ T775] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0a8cf8d0 | [ 40.849841][ T95] softirqs last disabled at (163364): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 40.849843][ T95] Preemption disabled at: | [ 40.849844][ T95] 0x0 | [ 40.849854][ T95] Tainted: [W]=WARN [ 40.849855][ T95] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.849857][ T95] Workqueue: events_unbound linkwatch_event [ 40.849860][ T95] Call Trace: [ 40.849862][ T95] [ 40.849863][ T95] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.849869][ T95] __might_resched.cold (kernel/sched/core.c:9234) [ 40.849874][ T95] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.849878][ T95] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 40.849882][ T95] __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)) [ 40.849884][ T95] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.849891][ T95] ? 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) [ 40.849894][ T95] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.849897][ T95] put_chars (drivers/char/virtio_console.c:1176) [ 40.849900][ T95] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.849903][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.849906][ T95] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.849911][ T95] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.849915][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.849916][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.849921][ T95] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.849925][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.849927][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.849931][ T95] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.849935][ T95] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.849937][ T95] ? 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)) [ 40.849940][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.849942][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.849946][ T95] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.849950][ T95] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.849952][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.849958][ T95] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.849961][ T95] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.849962][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.849964][ T95] ? 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) [ 40.849968][ T95] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.849970][ T95] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.849972][ T95] vprintk_emit (kernel/printk/printk.c:2479) [ 40.849976][ T95] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.849977][ T95] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.849979][ T95] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.849982][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.849985][ T95] _printk (kernel/printk/printk.c:2504) [ 40.849989][ T95] ? snapshot_read.cold (user.c:?) [ 40.849992][ T95] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 40.849998][ T95] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 40.850003][ T95] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 40.850006][ T95] br_port_carrier_check (net/bridge/br_if.c:95) [ 40.850010][ T95] br_device_event (net/bridge/br.c:101) [ 40.850013][ T95] ? packet_sendmsg_spkt (af_packet.c:?) [ 40.850019][ T95] notifier_call_chain (kernel/notifier.c:85) [ 40.850025][ T95] netif_state_change (net/core/dev.c:1625) [ 40.850029][ T95] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 40.850033][ T95] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 40.850036][ T95] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 40.850039][ T95] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 40.850041][ T95] __linkwatch_run_queue (net/core/link_watch.c:240) [ 40.850044][ T95] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 40.850046][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.850051][ T95] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 40.850053][ T95] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 40.850056][ T95] process_one_work (kernel/workqueue.c:3387) [ 40.850063][ T95] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 40.850066][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.850074][ T95] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 40.850078][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.850080][ T95] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 40.850083][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.850086][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.850088][ T95] kthread (kernel/kthread.c:436) [ 40.850090][ T95] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.850093][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.850096][ T95] ret_from_fork (arch/x86/kernel/process.c:158) [ 40.850100][ T95] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 40.850104][ T95] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 40.850107][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.850110][ T95] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 44.288166][ T69] softirqs last disabled at (228828): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 44.288168][ T69] Preemption disabled at: | [ 44.288169][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 44.288177][ T69] Tainted: [W]=WARN [ 44.288178][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.288180][ T69] Workqueue: netns cleanup_net [ 44.288183][ T69] Call Trace: [ 44.288185][ T69] [ 44.288187][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.288193][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 44.288194][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 44.288199][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.288203][ T69] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.288208][ T69] __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)) [ 44.288209][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.288216][ T69] ? 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) [ 44.288219][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.288222][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 44.288225][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.288226][ T69] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.288230][ T69] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.288238][ T69] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.288243][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.288247][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.288252][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.288255][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.288260][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.288264][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.288266][ T69] ? 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)) [ 44.288269][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.288271][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.288275][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.288279][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.288281][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.288287][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.288289][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.288291][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.288293][ T69] ? 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) [ 44.288297][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.288298][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.288301][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 44.288305][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.288306][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 44.288308][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.288310][ T69] ? kthread (kernel/kthread.c:436) [ 44.288312][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 44.288315][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 44.288320][ T69] _printk (kernel/printk/printk.c:2504) [ 44.288323][ T69] ? snapshot_read.cold (user.c:?) [ 44.288328][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.288331][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.288335][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.288338][ T69] ? netdev_notice (net/core/dev.c:13194) [ 44.288343][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.288345][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 44.288348][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 44.288350][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 44.288352][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 44.288356][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 44.288360][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 44.288366][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 44.288370][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 44.288373][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 44.288377][ T69] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 44.288380][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 44.288382][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.288385][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 44.288390][ T69] cleanup_net (net/core/net_namespace.c:706) [ 44.288393][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 44.288397][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.288399][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.288402][ T69] process_one_work (kernel/workqueue.c:3387) [ 44.288409][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.288412][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.288419][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.288423][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.288426][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 44.288428][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.288431][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.288433][ T69] kthread (kernel/kthread.c:436) [ 44.288435][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.288439][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.288441][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.288444][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.288448][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.288451][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.288454][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.466433][ T1031] softirqs last disabled at (22778): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 45.466435][ T1031] Preemption disabled at: | [ 45.466436][ T1031] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.466444][ T1031] Tainted: [W]=WARN [ 45.466445][ T1031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.466447][ T1031] Call Trace: [ 45.466448][ T1031] [ 45.466450][ T1031] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.466456][ T1031] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.466457][ T1031] __might_resched.cold (kernel/sched/core.c:9234) [ 45.466462][ T1031] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.466466][ T1031] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 45.466470][ T1031] __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)) [ 45.466472][ T1031] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.466478][ T1031] ? 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) [ 45.466481][ T1031] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.466484][ T1031] put_chars (drivers/char/virtio_console.c:1176) [ 45.466487][ T1031] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.466493][ T1031] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.466500][ T1031] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.466503][ T1031] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.466508][ T1031] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.466511][ T1031] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.466513][ T1031] ? 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)) [ 45.466516][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.466519][ T1031] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.466523][ T1031] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.466527][ T1031] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.466529][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.466534][ T1031] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.466537][ T1031] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.466539][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.466540][ T1031] ? 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) [ 45.466544][ T1031] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.466546][ T1031] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.466548][ T1031] vprintk_emit (kernel/printk/printk.c:2479) [ 45.466551][ T1031] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.466554][ T1031] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 45.466559][ T1031] _printk (kernel/printk/printk.c:2504) [ 45.466563][ T1031] ? snapshot_read.cold (user.c:?) [ 45.466564][ T1031] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.466567][ T1031] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.466569][ T1031] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.466572][ T1031] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.466575][ T1031] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.466578][ T1031] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 45.466580][ T1031] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.466583][ T1031] ? netdev_notice (net/core/dev.c:13194) [ 45.466586][ T1031] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.466589][ T1031] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.466591][ T1031] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 45.466594][ T1031] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 45.466596][ T1031] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 45.466598][ T1031] ? register_netdev (net/core/dev.c:11618) [ 45.466600][ T1031] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 45.466605][ T1031] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 45.466608][ T1031] ? __kernel_text_address (kernel/extable.c:79) [ 45.466610][ T1031] ? write_profile (profile.c:?) [ 45.466614][ T1031] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 45.466620][ T1031] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 45.466623][ T1031] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 45.466625][ T1031] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 45.466627][ T1031] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 45.466629][ T1031] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 45.466632][ T1031] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.466634][ T1031] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.466636][ T1031] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.466638][ T1031] ? kasan_save_stack (mm/kasan/common.c:58) [ 45.466640][ T1031] ? kasan_save_stack (mm/kasan/common.c:57) [ 45.466641][ T1031] ? kasan_save_track (mm/kasan/common.c:78) [ 45.466642][ T1031] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 45.466644][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.466646][ T1031] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 45.466649][ T1031] ? ___sys_sendmsg (net/socket.c:2758) [ 45.466653][ T1031] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.466658][ T1031] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 45.466661][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.466662][ T1031] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.466664][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.466665][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.466667][ T1031] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 45.466669][ T1031] ? __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) [ 45.466670][ T1031] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 45.466672][ T1031] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 45.466676][ T1031] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 45.466677][ T1031] ? nla_get_range_signed (lib/nlattr.c:270) [ 45.466682][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.466684][ T1031] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 45.466689][ T1031] rtnl_newlink (net/core/rtnetlink.c:4215) [ 45.466694][ T1031] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.466696][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.466700][ T1031] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.466702][ T1031] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.466704][ T1031] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.466706][ T1031] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.466709][ T1031] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.466711][ T1031] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 45.466714][ T1031] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.466716][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.466720][ T1031] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.466722][ T1031] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.466725][ T1031] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 45.466729][ T1031] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.466732][ T1031] ? netlink_ack (./include/linux/skbuff.h:2718) [ 45.466738][ T1031] ? 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)) [ 45.466740][ T1031] ? 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)) [ 45.466745][ T1031] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 45.466749][ T1031] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 45.466751][ T1031] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.466755][ T1031] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 45.466759][ T1031] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 45.466763][ T1031] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.466765][ T1031] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 45.466770][ T1031] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 45.466773][ T1031] ____sys_sendmsg (net/socket.c:2713) [ 45.466775][ T1031] ? copy_msghdr_from_user (net/socket.c:2650) [ 45.466777][ T1031] ? sock_write_iter (net/socket.c:1269) [ 45.466779][ T1031] ? move_addr_to_kernel (net/socket.c:258) [ 45.466786][ T1031] ___sys_sendmsg (net/socket.c:2767) [ 45.466788][ T1031] ? copy_msghdr_from_user (net/socket.c:2619) [ 45.466804][ T1031] __sys_sendmsg (net/socket.c:2799) [ 45.466807][ T1031] ? __sys_sendmsg_sock (net/socket.c:2780) [ 45.466813][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.466816][ T1031] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 45.466819][ T1031] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 45.466822][ T1031] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.466824][ T1031] RIP: 0033:0x7f411bb2a54e [ 45.466827][ T1031] 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 [ 45.466829][ T1031] RSP: 002b:00007ffe6d7a4960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 45.466832][ T1031] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f411bb2a54e [ 45.466833][ T1031] RDX: 0000000000000000 RSI: 00007ffe6d7a4a10 RDI: 0000000000000005 [ 45.466834][ T1031] RBP: 00007ffe6d7a4970 R08: 0000000000000000 R09: 0000000000000000 [ 45.466835][ T1031] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91983a [ 45.466835][ T1031] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6d7a50d0 | [ 46.473504][ T1084] softirqs last disabled at (25856): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 46.473506][ T1084] Preemption disabled at: | [ 46.473507][ T1084] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.473515][ T1084] Tainted: [W]=WARN [ 46.473516][ T1084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.473518][ T1084] Call Trace: [ 46.473519][ T1084] [ 46.473521][ T1084] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.473527][ T1084] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.473529][ T1084] __might_resched.cold (kernel/sched/core.c:9234) [ 46.473533][ T1084] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.473537][ T1084] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.473541][ T1084] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 46.473543][ T1084] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.473550][ T1084] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 46.473552][ T1084] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.473556][ T1084] put_chars (drivers/char/virtio_console.c:1176) [ 46.473558][ T1084] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.473559][ T1084] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.473563][ T1084] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.473565][ T1084] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.473570][ T1084] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.473574][ T1084] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.473579][ T1084] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.473582][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.473587][ T1084] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.473590][ T1084] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.473592][ T1084] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 46.473595][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.473597][ T1084] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.473601][ T1084] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.473605][ T1084] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.473607][ T1084] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.473612][ T1084] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.473615][ T1084] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.473617][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.473618][ T1084] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 46.473622][ T1084] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.473624][ T1084] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.473626][ T1084] vprintk_emit (kernel/printk/printk.c:2479) [ 46.473629][ T1084] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.473631][ T1084] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.473633][ T1084] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 46.473637][ T1084] _printk (kernel/printk/printk.c:2504) [ 46.473640][ T1084] ? snapshot_read.cold (user.c:?) [ 46.473644][ T1084] ? br_multicast_flood (??:?) [ 46.473647][ T1084] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 46.473648][ T1084] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 46.473649][ T1084] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.473653][ T1084] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 46.473660][ T1084] br_init_port (net/bridge/br_stp_if.c:39) [ 46.473662][ T1084] new_nbp (net/bridge/br_if.c:449) [ 46.473666][ T1084] br_add_if (net/bridge/br_if.c:592) [ 46.473668][ T1084] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 46.473676][ T1084] do_set_master (net/core/rtnetlink.c:3071) [ 46.473680][ T1084] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 46.473683][ T1084] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 46.473685][ T1084] ? __dev_get_by_name (net/core/dev.c:905) [ 46.473687][ T1084] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 46.473696][ T1084] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 46.473702][ T1084] rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.473708][ T1084] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.473709][ T1084] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.473716][ T1084] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.473720][ T1084] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.473722][ T1084] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.473725][ T1084] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.473726][ T1084] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.473731][ T1084] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.473733][ T1084] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.473736][ T1084] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.473739][ T1084] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.473742][ T1084] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.473749][ T1084] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 46.473751][ T1084] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 46.473755][ T1084] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.473759][ T1084] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.473764][ T1084] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.473768][ T1084] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.473772][ T1084] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.473774][ T1084] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 46.473779][ T1084] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 46.473783][ T1084] ____sys_sendmsg (net/socket.c:2713) [ 46.473785][ T1084] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.473787][ T1084] ? sock_write_iter (net/socket.c:1269) [ 46.473789][ T1084] ? move_addr_to_kernel (net/socket.c:258) [ 46.473793][ T1084] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 46.473796][ T1084] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.473799][ T1084] ___sys_sendmsg (net/socket.c:2767) [ 46.473801][ T1084] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 46.473803][ T1084] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.473806][ T1084] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 46.473821][ T1084] __sys_sendmsg (net/socket.c:2799) [ 46.473824][ T1084] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.473829][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.473831][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.473834][ T1084] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.473837][ T1084] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.473840][ T1084] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.473843][ T1084] RIP: 0033:0x7f0042d4f54e [ 46.473846][ T1084] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 46.473848][ T1084] RSP: 002b:00007ffeca9d1980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.473851][ T1084] RAX: ffffffffffffffda RBX: 00007ffeca9d2148 RCX: 00007f0042d4f54e [ 46.473852][ T1084] RDX: 0000000000000000 RSI: 00007ffeca9d1a30 RDI: 0000000000000005 [ 46.473853][ T1084] RBP: 00007ffeca9d1990 R08: 0000000000000000 R09: 0000000000000000 [ 46.473853][ T1084] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91983b [ 46.473854][ T1084] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeca9d2100 | [ 52.110307][ T46] softirqs last disabled at (99784): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 52.110310][ T46] Preemption disabled at: | [ 52.110311][ T46] 0x0 | [ 52.110321][ T46] Tainted: [W]=WARN [ 52.110322][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.110324][ T46] Workqueue: events_unbound linkwatch_event [ 52.110327][ T46] Call Trace: [ 52.110328][ T46] [ 52.110330][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.110336][ T46] __might_resched.cold (kernel/sched/core.c:9234) [ 52.110341][ T46] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.110345][ T46] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 52.110349][ T46] __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)) [ 52.110351][ T46] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.110358][ T46] ? 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) [ 52.110361][ T46] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.110364][ T46] put_chars (drivers/char/virtio_console.c:1176) [ 52.110367][ T46] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.110370][ T46] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 52.110373][ T46] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 52.110377][ T46] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.110382][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.110383][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.110388][ T46] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.110392][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.110394][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.110398][ T46] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.110402][ T46] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.110404][ T46] ? 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)) [ 52.110407][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.110409][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.110413][ T46] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.110418][ T46] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.110420][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.110425][ T46] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.110428][ T46] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.110430][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.110431][ T46] ? 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) [ 52.110435][ T46] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.110437][ T46] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.110440][ T46] vprintk_emit (kernel/printk/printk.c:2479) [ 52.110443][ T46] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.110444][ T46] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.110447][ T46] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.110449][ T46] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 52.110452][ T46] _printk (kernel/printk/printk.c:2504) [ 52.110456][ T46] ? snapshot_read.cold (user.c:?) [ 52.110459][ T46] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 52.110465][ T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 52.110469][ T46] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 52.110473][ T46] br_port_carrier_check (net/bridge/br_if.c:95) [ 52.110477][ T46] br_device_event (net/bridge/br.c:101) [ 52.110480][ T46] ? packet_sendmsg_spkt (af_packet.c:?) [ 52.110486][ T46] notifier_call_chain (kernel/notifier.c:85) [ 52.110492][ T46] netif_state_change (net/core/dev.c:1625) [ 52.110495][ T46] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 52.110500][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 52.110503][ T46] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 52.110506][ T46] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 52.110508][ T46] __linkwatch_run_queue (net/core/link_watch.c:240) [ 52.110511][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 52.110513][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.110518][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 52.110520][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 52.110523][ T46] process_one_work (kernel/workqueue.c:3387) [ 52.110532][ T46] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 52.110535][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.110543][ T46] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 52.110550][ T46] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 52.110552][ T46] kthread (kernel/kthread.c:436) [ 52.110555][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.110558][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 52.110561][ T46] ret_from_fork (arch/x86/kernel/process.c:158) [ 52.110565][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 52.110569][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 52.110572][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 52.110575][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 53.127810][ T38] softirqs last disabled at (128388): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 53.127812][ T38] Preemption disabled at: | [ 53.127813][ T38] 0x0 | [ 53.127823][ T38] Tainted: [W]=WARN [ 53.127824][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.127825][ T38] Workqueue: events_unbound linkwatch_event [ 53.127829][ T38] Call Trace: [ 53.127830][ T38] [ 53.127832][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 53.127838][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 53.127843][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 53.127847][ T38] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 53.127852][ T38] __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)) [ 53.127854][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.127860][ T38] ? 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) [ 53.127863][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.127866][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 53.127869][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 53.127872][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.127875][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 53.127880][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 53.127884][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.127886][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.127891][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 53.127894][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.127897][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.127901][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 53.127905][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 53.127907][ T38] ? 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)) [ 53.127910][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.127912][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.127916][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 53.127920][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 53.127922][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.127928][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 53.127930][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 53.127932][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.127934][ T38] ? 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) [ 53.127938][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 53.127940][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 53.127942][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 53.127946][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 53.127947][ T38] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.127950][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 53.127952][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.127955][ T38] _printk (kernel/printk/printk.c:2504) [ 53.127959][ T38] ? snapshot_read.cold (user.c:?) [ 53.127962][ T38] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 53.127968][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 53.127973][ T38] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 53.127977][ T38] br_port_carrier_check (net/bridge/br_if.c:95) [ 53.127980][ T38] br_device_event (net/bridge/br.c:101) [ 53.127984][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 53.127990][ T38] notifier_call_chain (kernel/notifier.c:85) [ 53.127996][ T38] netif_state_change (net/core/dev.c:1625) [ 53.127999][ T38] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 53.128003][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 53.128007][ T38] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 53.128009][ T38] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 53.128011][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 53.128014][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 53.128017][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.128021][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 53.128023][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 53.128027][ T38] process_one_work (kernel/workqueue.c:3387) [ 53.128033][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 53.128036][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.128044][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 53.128052][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 53.128054][ T38] kthread (kernel/kthread.c:436) [ 53.128056][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 53.128059][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 53.128062][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 53.128067][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 53.128070][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 53.128073][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 53.128076][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 59.354839][ T69] softirqs last disabled at (348794): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 59.354841][ T69] Preemption disabled at: | [ 59.354842][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 59.354850][ T69] Tainted: [W]=WARN [ 59.354851][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 59.354853][ T69] Workqueue: netns cleanup_net [ 59.354856][ T69] Call Trace: [ 59.354858][ T69] [ 59.354860][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 59.354866][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 59.354868][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 59.354873][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 59.354876][ T69] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 59.354881][ T69] __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)) [ 59.354882][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.354889][ T69] ? 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) [ 59.354891][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.354895][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 59.354898][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 59.354899][ T69] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 59.354903][ T69] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 59.354906][ T69] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 59.354911][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 59.354915][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 59.354920][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 59.354923][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.354928][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 59.354932][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 59.354934][ T69] ? 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)) [ 59.354937][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.354939][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.354943][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 59.354947][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 59.354949][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 59.354954][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 59.354957][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 59.354959][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.354961][ T69] ? 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) [ 59.354964][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 59.354966][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 59.354969][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 59.354972][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 59.354973][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 59.354975][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 59.354977][ T69] ? kthread (kernel/kthread.c:436) [ 59.354979][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 59.354982][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 59.354987][ T69] _printk (kernel/printk/printk.c:2504) [ 59.354991][ T69] ? snapshot_read.cold (user.c:?) [ 59.354995][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 59.354999][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 59.355003][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 59.355006][ T69] ? netdev_notice (net/core/dev.c:13194) [ 59.355010][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.355012][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 59.355014][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 59.355016][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 59.355019][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 59.355023][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 59.355026][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 59.355033][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 59.355036][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 59.355040][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 59.355043][ T69] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 59.355047][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 59.355048][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 59.355052][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 59.355056][ T69] cleanup_net (net/core/net_namespace.c:706) [ 59.355059][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 59.355063][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.355065][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.355069][ T69] process_one_work (kernel/workqueue.c:3387) [ 59.355075][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 59.355078][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 59.355086][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 59.355090][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 59.355092][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 59.355095][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 59.355098][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 59.355100][ T69] kthread (kernel/kthread.c:436) [ 59.355101][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 59.355105][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 59.355108][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 59.355110][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 59.355114][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 59.355117][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 59.355120][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 60.535753][ T1268] softirqs last disabled at (44994): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 60.535756][ T1268] Preemption disabled at: | [ 60.535756][ T1268] vprintk_emit (kernel/printk/printk.c:2471) | [ 60.535764][ T1268] Tainted: [W]=WARN [ 60.535765][ T1268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 60.535767][ T1268] Call Trace: [ 60.535769][ T1268] [ 60.535770][ T1268] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 60.535776][ T1268] ? vprintk_emit (kernel/printk/printk.c:2471) [ 60.535778][ T1268] __might_resched.cold (kernel/sched/core.c:9234) [ 60.535782][ T1268] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 60.535786][ T1268] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 60.535791][ T1268] __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)) [ 60.535792][ T1268] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.535799][ T1268] ? 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) [ 60.535801][ T1268] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.535805][ T1268] put_chars (drivers/char/virtio_console.c:1176) [ 60.535807][ T1268] ? __send_to_port (drivers/char/virtio_console.c:654) [ 60.535814][ T1268] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 60.535821][ T1268] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 60.535824][ T1268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.535828][ T1268] console_emit_next_record (kernel/printk/printk.c:3183) [ 60.535832][ T1268] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 60.535834][ T1268] ? 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)) [ 60.535837][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.535840][ T1268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.535844][ T1268] console_flush_one_record (kernel/printk/printk.c:3268) [ 60.535848][ T1268] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 60.535850][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.535855][ T1268] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 60.535858][ T1268] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 60.535859][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.535861][ T1268] ? 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) [ 60.535865][ T1268] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 60.535867][ T1268] ? vprintk_emit (kernel/printk/printk.c:2478) [ 60.535869][ T1268] vprintk_emit (kernel/printk/printk.c:2479) [ 60.535872][ T1268] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 60.535875][ T1268] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 60.535880][ T1268] _printk (kernel/printk/printk.c:2504) [ 60.535883][ T1268] ? snapshot_read.cold (user.c:?) [ 60.535885][ T1268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 60.535887][ T1268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 60.535890][ T1268] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 60.535892][ T1268] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 60.535896][ T1268] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 60.535898][ T1268] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 60.535901][ T1268] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 60.535903][ T1268] ? netdev_notice (net/core/dev.c:13194) [ 60.535906][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 60.535909][ T1268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 60.535911][ T1268] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 60.535915][ T1268] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 60.535917][ T1268] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 60.535919][ T1268] ? register_netdev (net/core/dev.c:11618) [ 60.535920][ T1268] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 60.535926][ T1268] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 60.535928][ T1268] ? __kernel_text_address (kernel/extable.c:79) [ 60.535931][ T1268] ? write_profile (profile.c:?) [ 60.535934][ T1268] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 60.535940][ T1268] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 60.535943][ T1268] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 60.535945][ T1268] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 60.535947][ T1268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 60.535948][ T1268] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 60.535952][ T1268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 60.535954][ T1268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 60.535955][ T1268] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 60.535958][ T1268] ? kasan_save_stack (mm/kasan/common.c:58) [ 60.535960][ T1268] ? kasan_save_stack (mm/kasan/common.c:57) [ 60.535961][ T1268] ? kasan_save_track (mm/kasan/common.c:78) [ 60.535962][ T1268] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 60.535964][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.535966][ T1268] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 60.535969][ T1268] ? ___sys_sendmsg (net/socket.c:2758) [ 60.535973][ T1268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 60.535975][ T1268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 60.535977][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.535979][ T1268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.535980][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.535981][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.535983][ T1268] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 60.535985][ T1268] ? __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) [ 60.535987][ T1268] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 60.535988][ T1268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 60.535992][ T1268] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 60.535993][ T1268] ? nla_get_range_signed (lib/nlattr.c:270) [ 60.535998][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.536000][ T1268] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 60.536005][ T1268] rtnl_newlink (net/core/rtnetlink.c:4215) [ 60.536010][ T1268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 60.536012][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.536016][ T1268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 60.536018][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 60.536020][ T1268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 60.536022][ T1268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 60.536025][ T1268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 60.536027][ T1268] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 60.536031][ T1268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 60.536032][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.536037][ T1268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 60.536038][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 60.536042][ T1268] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 60.536045][ T1268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 60.536048][ T1268] ? netlink_ack (./include/linux/skbuff.h:2718) [ 60.536054][ T1268] ? 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)) [ 60.536056][ T1268] ? 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)) [ 60.536061][ T1268] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 60.536065][ T1268] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 60.536067][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 60.536071][ T1268] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 60.536075][ T1268] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 60.536079][ T1268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 60.536081][ T1268] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 60.536086][ T1268] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 60.536089][ T1268] ____sys_sendmsg (net/socket.c:2713) [ 60.536091][ T1268] ? copy_msghdr_from_user (net/socket.c:2650) [ 60.536093][ T1268] ? sock_write_iter (net/socket.c:1269) [ 60.536095][ T1268] ? move_addr_to_kernel (net/socket.c:258) [ 60.536102][ T1268] ___sys_sendmsg (net/socket.c:2767) [ 60.536105][ T1268] ? copy_msghdr_from_user (net/socket.c:2619) [ 60.536120][ T1268] __sys_sendmsg (net/socket.c:2799) [ 60.536123][ T1268] ? __sys_sendmsg_sock (net/socket.c:2780) [ 60.536129][ T1268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.536132][ T1268] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 60.536135][ T1268] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 60.536138][ T1268] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 60.536140][ T1268] RIP: 0033:0x7f447d84754e [ 60.536144][ T1268] 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 [ 60.536145][ T1268] RSP: 002b:00007fff3f70b8e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 60.536148][ T1268] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f447d84754e [ 60.536150][ T1268] RDX: 0000000000000000 RSI: 00007fff3f70b990 RDI: 0000000000000005 [ 60.536150][ T1268] RBP: 00007fff3f70b8f0 R08: 0000000000000000 R09: 0000000000000000 [ 60.536151][ T1268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919849 [ 60.536152][ T1268] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3f70c050 | [ 66.865810][ T223] softirqs last disabled at (159882): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 66.865812][ T223] Preemption disabled at: | [ 66.865813][ T223] 0x0 | [ 66.865823][ T223] Tainted: [W]=WARN [ 66.865823][ T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.865825][ T223] Workqueue: events_unbound linkwatch_event [ 66.865828][ T223] Call Trace: [ 66.865830][ T223] [ 66.865831][ T223] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 66.865838][ T223] __might_resched.cold (kernel/sched/core.c:9234) [ 66.865842][ T223] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 66.865846][ T223] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 66.865851][ T223] __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)) [ 66.865853][ T223] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.865859][ T223] ? 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) [ 66.865862][ T223] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.865866][ T223] put_chars (drivers/char/virtio_console.c:1176) [ 66.865868][ T223] ? __send_to_port (drivers/char/virtio_console.c:654) [ 66.865871][ T223] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 66.865874][ T223] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 66.865879][ T223] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 66.865883][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.865885][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.865890][ T223] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 66.865894][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.865896][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.865900][ T223] console_emit_next_record (kernel/printk/printk.c:3183) [ 66.865904][ T223] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 66.865906][ T223] ? 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)) [ 66.865909][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.865911][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.865915][ T223] console_flush_one_record (kernel/printk/printk.c:3268) [ 66.865919][ T223] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 66.865921][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.865927][ T223] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 66.865930][ T223] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 66.865931][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.865933][ T223] ? 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) [ 66.865937][ T223] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 66.865939][ T223] ? vprintk_emit (kernel/printk/printk.c:2478) [ 66.865941][ T223] vprintk_emit (kernel/printk/printk.c:2479) [ 66.865945][ T223] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 66.865946][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.865948][ T223] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 66.865951][ T223] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 66.865954][ T223] _printk (kernel/printk/printk.c:2504) [ 66.865958][ T223] ? snapshot_read.cold (user.c:?) [ 66.865961][ T223] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 66.865967][ T223] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 66.865971][ T223] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 66.865975][ T223] br_port_carrier_check (net/bridge/br_if.c:95) [ 66.865978][ T223] br_device_event (net/bridge/br.c:101) [ 66.865982][ T223] ? packet_sendmsg_spkt (af_packet.c:?) [ 66.865988][ T223] notifier_call_chain (kernel/notifier.c:85) [ 66.865994][ T223] netif_state_change (net/core/dev.c:1625) [ 66.865997][ T223] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 66.866001][ T223] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 66.866005][ T223] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 66.866007][ T223] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 66.866009][ T223] __linkwatch_run_queue (net/core/link_watch.c:240) [ 66.866012][ T223] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 66.866015][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.866019][ T223] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 66.866021][ T223] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 66.866025][ T223] process_one_work (kernel/workqueue.c:3387) [ 66.866031][ T223] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 66.866034][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.866042][ T223] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 66.866046][ T223] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 66.866048][ T223] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 66.866051][ T223] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 66.866054][ T223] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 66.866056][ T223] kthread (kernel/kthread.c:436) [ 66.866058][ T223] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 66.866061][ T223] ? kthread_affine_preferred (kernel/kthread.c:857) [ 66.866064][ T223] ret_from_fork (arch/x86/kernel/process.c:158) [ 66.866069][ T223] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 66.866072][ T223] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 66.866075][ T223] ? kthread_affine_preferred (kernel/kthread.c:857) [ 66.866078][ T223] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 76.230746][ C0] softirqs last disabled at (3040955): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 76.230747][ C0] Preemption disabled at: | [ 76.230748][ C0] schedule_preempt_disabled (kernel/sched/core.c:7420) | [ 76.230758][ C0] Tainted: [W]=WARN [ 76.230759][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 76.230761][ C0] Call Trace: [ 76.230762][ C0] [ 76.230763][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 76.230769][ C0] ? schedule_preempt_disabled (kernel/sched/core.c:7420) [ 76.230771][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 76.230774][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 76.230777][ C0] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 76.230781][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.230783][ C0] __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)) [ 76.230786][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.230789][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.230793][ C0] ? 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) [ 76.230795][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.230797][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 76.230799][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 76.230800][ C0] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 76.230803][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 76.230808][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 76.230810][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.230811][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.230813][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 76.230816][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 76.230818][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.230819][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.230820][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.230822][ C0] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 76.230823][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 76.230826][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 76.230828][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 76.230830][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.230832][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 76.230833][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.230834][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.230836][ C0] ? 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) [ 76.230837][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 76.230839][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 76.230841][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 76.230843][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 76.230844][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.230845][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.230846][ C0] ? x86_64_start_kernel (./arch/x86/include/asm/page_64.h:103 ./arch/x86/include/asm/page_64.h:114 arch/x86/kernel/head64.c:255) [ 76.230850][ C0] _printk (kernel/printk/printk.c:2504) [ 76.230853][ C0] ? snapshot_read.cold (user.c:?) [ 76.230855][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 76.230858][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 76.230859][ C0] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 76.230861][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 76.230863][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 76.230866][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 76.230868][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 76.230870][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 76.230872][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 76.230874][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 76.230877][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.230878][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.230880][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 76.230881][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 76.230882][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 76.230883][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 76.230885][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 76.230886][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 76.230890][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 76.230891][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 76.230894][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 76.230896][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 76.230898][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.230899][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 76.230901][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 76.230903][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 76.230904][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 76.230907][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.230909][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 76.230911][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 76.230913][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.230916][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.230917][ C0] handle_softirqs (kernel/softirq.c:645) [ 76.230919][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 76.230920][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 76.230922][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 76.230924][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 76.230925][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 76.230928][ C0] [ 76.230928][ C0] [ 76.230929][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 76.230930][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 76.230932][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 76.230935][ C0] 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 [ 76.230936][ C0] RSP: 0018:ffffffffb1407cf8 EFLAGS: 00000296 [ 76.230939][ C0] RAX: 00000000002e66b9 RBX: ffffffffb1430600 RCX: ffffffffadb06247 [ 76.230941][ C0] RDX: ffffffffb1430600 RSI: ffffffffb0d11011 RDI: ffffffffb06949e0 [ 76.230941][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 76.230942][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6280fa2 [ 76.230943][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 76.230944][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 76.230948][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 76.230949][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 76.230951][ C0] default_idle_call (kernel/sched/idle.c:122) [ 76.230952][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 76.230954][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 76.230955][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 76.230958][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.230959][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.230961][ C0] do_idle (kernel/sched/idle.c:355) [ 76.230962][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 76.230964][ C0] rest_init (init/main.c:727) [ 76.230965][ C0] ? __cpuidle_text_end (??:?) [ 76.230968][ C0] ? rest_init (init/main.c:727) [ 76.230970][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 76.230973][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 76.230974][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 76.230976][ C0] start_kernel (init/main.c:1185) [ 76.230979][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 76.230981][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 76.230982][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 76.294995][ C0] | [ 76.295067][ C0] | [ 76.295067][ C0] stack backtrace: | [ 76.295343][ C0] Tainted: [W]=WARN [ 76.295344][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 76.295345][ C0] Call Trace: [ 76.295347][ C0] [ 76.295347][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 76.295352][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 76.295355][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 76.295358][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 76.295360][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 76.295361][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 76.295364][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 76.295365][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 76.295367][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.295369][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.295371][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 76.295372][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 76.295374][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 76.295375][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 76.295376][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 76.295377][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 76.295383][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 76.295385][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 76.295388][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 76.295390][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 76.295392][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.295393][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 76.295395][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 76.295397][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 76.295398][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 76.295401][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.295404][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 76.295406][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 76.295408][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.295411][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.295412][ C0] handle_softirqs (kernel/softirq.c:645) [ 76.295414][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 76.295415][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 76.295417][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 76.295419][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 76.295420][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 76.295422][ C0] [ 76.295422][ C0] [ 76.295423][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 76.295425][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 76.295426][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 76.295428][ C0] 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 [ 76.295429][ C0] RSP: 0018:ffffffffb1407cf8 EFLAGS: 00000296 [ 76.295431][ C0] RAX: 00000000002e66b9 RBX: ffffffffb1430600 RCX: ffffffffadb06247 [ 76.295433][ C0] RDX: ffffffffb1430600 RSI: ffffffffb0d11011 RDI: ffffffffb06949e0 [ 76.295434][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 76.295435][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6280fa2 [ 76.295435][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 76.295437][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 76.295439][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 76.295440][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 76.295442][ C0] default_idle_call (kernel/sched/idle.c:122) [ 76.295443][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 76.295445][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 76.295447][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 76.295449][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.295450][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.295452][ C0] do_idle (kernel/sched/idle.c:355) [ 76.295453][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 76.295455][ C0] rest_init (init/main.c:727) [ 76.295456][ C0] ? __cpuidle_text_end (??:?) [ 76.295459][ C0] ? rest_init (init/main.c:727) [ 76.295460][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 76.295464][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 76.295466][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 76.295468][ C0] start_kernel (init/main.c:1185) [ 76.295469][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 76.295471][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 76.295473][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 96.963230][ T69] softirqs last disabled at (485578): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 96.963232][ T69] Preemption disabled at: | [ 96.963232][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 96.963242][ T69] Tainted: [W]=WARN [ 96.963243][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 96.963245][ T69] Workqueue: netns cleanup_net [ 96.963250][ T69] Call Trace: [ 96.963252][ T69] [ 96.963253][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 96.963258][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 96.963260][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 96.963263][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 96.963265][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 96.963268][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.963271][ T69] __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)) [ 96.963273][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.963276][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.963281][ T69] ? 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) [ 96.963282][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.963285][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 96.963286][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 96.963288][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 96.963290][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 96.963295][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 96.963296][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 96.963298][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.963300][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.963301][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.963303][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 96.963305][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 96.963307][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.963308][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.963309][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.963310][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.963312][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 96.963314][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 96.963316][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 96.963319][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 96.963321][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.963322][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 96.963324][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.963325][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.963326][ T69] ? 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) [ 96.963328][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 96.963329][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 96.963331][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 96.963332][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 96.963334][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 96.963335][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 96.963337][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 96.963339][ T69] ? kthread (kernel/kthread.c:436) [ 96.963341][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 96.963344][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 96.963347][ T69] _printk (kernel/printk/printk.c:2504) [ 96.963349][ T69] ? snapshot_read.cold (user.c:?) [ 96.963352][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 96.963355][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 96.963357][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 96.963359][ T69] ? netdev_notice (net/core/dev.c:13194) [ 96.963361][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.963362][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 96.963364][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 96.963367][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 96.963368][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 96.963369][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 96.963371][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 96.963374][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 96.963378][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 96.963380][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 96.963382][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 96.963384][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 96.963386][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 96.963388][ T69] cleanup_net (net/core/net_namespace.c:706) [ 96.963390][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 96.963392][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.963394][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.963395][ T69] process_one_work (kernel/workqueue.c:3387) [ 96.963398][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 96.963400][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 96.963402][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.963404][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 96.963406][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 96.963408][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 96.963410][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 96.963412][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 96.963413][ T69] kthread (kernel/kthread.c:436) [ 96.963415][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 96.963417][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 96.963418][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 96.963420][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 96.963422][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 96.963424][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __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