====================================== | [ 12.066023][ T225] softirqs last disabled at (15324): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 12.066026][ T225] Preemption disabled at: | [ 12.066027][ T225] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.066035][ T225] Tainted: [W]=WARN [ 12.066036][ T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.066038][ T225] Call Trace: [ 12.066039][ T225] [ 12.066040][ T225] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.066047][ T225] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.066048][ T225] __might_resched.cold (kernel/sched/core.c:9234) [ 12.066053][ T225] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.066057][ 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) [ 12.066062][ 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)) [ 12.066064][ T225] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.066070][ 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) [ 12.066073][ T225] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.066077][ T225] put_chars (drivers/char/virtio_console.c:1176) [ 12.066079][ T225] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.066086][ T225] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.066094][ T225] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.066097][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.066101][ T225] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.066105][ T225] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.066107][ 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)) [ 12.066110][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.066113][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.066117][ T225] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.066121][ T225] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.066123][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.066129][ T225] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.066131][ T225] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.066133][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.066135][ 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) [ 12.066139][ T225] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.066140][ T225] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.066143][ T225] vprintk_emit (kernel/printk/printk.c:2479) [ 12.066146][ T225] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.066148][ T225] ? save_trace (kernel/locking/lockdep.c:589) [ 12.066153][ T225] _printk (kernel/printk/printk.c:2504) [ 12.066156][ T225] ? snapshot_read.cold (user.c:?) [ 12.066160][ T225] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.066162][ T225] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.066166][ T225] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.066169][ T225] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.066171][ T225] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.066174][ T225] ? netdev_notice (net/core/dev.c:13194) [ 12.066177][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.066180][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.066182][ T225] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.066186][ T225] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.066188][ T225] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 12.066190][ 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)) [ 12.066195][ T225] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 12.066198][ T225] ? __kernel_text_address (kernel/extable.c:79) [ 12.066200][ T225] ? write_profile (profile.c:?) [ 12.066205][ T225] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.066211][ T225] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.066214][ T225] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.066216][ T225] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.066217][ T225] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.066220][ T225] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.066223][ T225] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.066225][ T225] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.066227][ T225] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.066230][ T225] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.066232][ T225] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.066233][ T225] ? kasan_save_track (mm/kasan/common.c:78) [ 12.066234][ T225] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 12.066236][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.066238][ T225] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 12.066241][ T225] ? ___sys_sendmsg (net/socket.c:2758) [ 12.066245][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.066247][ T225] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.066250][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.066251][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.066253][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.066254][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.066256][ T225] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.066258][ 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) [ 12.066261][ T225] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.066263][ T225] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.066266][ T225] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.066267][ T225] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.066272][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.066274][ T225] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.066280][ T225] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.066285][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.066287][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.066291][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.066293][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.066295][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.066297][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.066301][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.066303][ T225] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.066306][ T225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.066307][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.066312][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.066313][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.066317][ T225] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.066320][ T225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.066323][ T225] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.066329][ 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)) [ 12.066331][ 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)) [ 12.066336][ T225] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.066340][ T225] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.066342][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.066346][ T225] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.066350][ T225] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.066354][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.066356][ T225] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 12.066361][ T225] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 12.066364][ T225] ____sys_sendmsg (net/socket.c:2713) [ 12.066366][ T225] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.066368][ T225] ? sock_write_iter (net/socket.c:1269) [ 12.066370][ T225] ? move_addr_to_kernel (net/socket.c:258) [ 12.066377][ T225] ___sys_sendmsg (net/socket.c:2767) [ 12.066380][ T225] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.066396][ T225] __sys_sendmsg (net/socket.c:2799) [ 12.066398][ T225] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.066405][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.066408][ T225] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.066411][ T225] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.066414][ T225] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.066416][ T225] RIP: 0033:0x7f3075ee554e [ 12.066420][ 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 [ 12.066422][ T225] RSP: 002b:00007ffe3ad25e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.066424][ T225] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3075ee554e [ 12.066425][ T225] RDX: 0000000000000000 RSI: 00007ffe3ad25f30 RDI: 0000000000000005 [ 12.066426][ T225] RBP: 00007ffe3ad25e90 R08: 0000000000000000 R09: 0000000000000000 [ 12.066427][ T225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91363b [ 12.066428][ T225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3ad26600 | [ 13.148678][ T269] softirqs last disabled at (32098): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 13.148681][ T269] Preemption disabled at: | [ 13.148681][ T269] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.148689][ T269] Tainted: [W]=WARN [ 13.148690][ T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.148691][ T269] Call Trace: [ 13.148693][ T269] [ 13.148695][ T269] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.148701][ T269] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.148702][ T269] __might_resched.cold (kernel/sched/core.c:9234) [ 13.148707][ T269] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.148711][ T269] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.148715][ T269] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.148717][ T269] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.148723][ T269] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.148726][ T269] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.148730][ T269] put_chars (drivers/char/virtio_console.c:1176) [ 13.148733][ T269] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.148734][ T269] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.148737][ T269] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.148742][ T269] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.148750][ T269] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.148753][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.148755][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.148759][ T269] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.148763][ T269] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.148765][ T269] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 13.148768][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.148770][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.148774][ T269] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.148778][ T269] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.148780][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.148785][ T269] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.148788][ T269] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.148790][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.148791][ T269] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 13.148795][ T269] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.148797][ T269] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.148800][ T269] vprintk_emit (kernel/printk/printk.c:2479) [ 13.148803][ T269] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.148804][ T269] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.148807][ T269] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.148811][ T269] _printk (kernel/printk/printk.c:2504) [ 13.148814][ T269] ? snapshot_read.cold (user.c:?) [ 13.148818][ T269] ? br_multicast_flood (??:?) [ 13.148821][ T269] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.148824][ T269] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.148825][ T269] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.148830][ T269] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 13.148834][ T269] br_init_port (net/bridge/br_stp_if.c:39) [ 13.148836][ T269] new_nbp (net/bridge/br_if.c:449) [ 13.148840][ T269] br_add_if (net/bridge/br_if.c:592) [ 13.148843][ T269] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 13.148846][ T269] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 13.148851][ T269] do_set_master (net/core/rtnetlink.c:3071) [ 13.148855][ T269] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.148858][ T269] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 13.148861][ T269] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.148863][ T269] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 13.148865][ T269] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 13.148869][ T269] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.148871][ T269] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.148872][ T269] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.148875][ T269] ? kasan_save_stack (mm/kasan/common.c:58) [ 13.148877][ T269] ? kasan_save_stack (mm/kasan/common.c:57) [ 13.148878][ T269] ? kasan_save_track (mm/kasan/common.c:78) [ 13.148880][ T269] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 13.148882][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.148884][ T269] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 13.148887][ T269] ? ___sys_sendmsg (net/socket.c:2758) [ 13.148891][ T269] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.148893][ T269] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.148895][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.148897][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.148899][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.148900][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.148901][ T269] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.148904][ T269] ? __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) [ 13.148906][ T269] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.148908][ T269] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.148911][ T269] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.148912][ T269] ? nla_get_range_signed (lib/nlattr.c:270) [ 13.148917][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.148920][ T269] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 13.148925][ T269] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.148930][ T269] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.148932][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.148936][ T269] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.148938][ T269] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.148941][ T269] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.148942][ T269] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.148946][ T269] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.148948][ T269] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.148951][ T269] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.148953][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.148957][ T269] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.148959][ T269] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.148963][ T269] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.148966][ T269] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.148969][ T269] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.148975][ T269] ? 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)) [ 13.148977][ T269] ? 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)) [ 13.148982][ T269] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.148986][ T269] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.148988][ T269] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.148992][ T269] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.148996][ T269] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.149000][ T269] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.149002][ T269] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 13.149007][ T269] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 13.149010][ T269] ____sys_sendmsg (net/socket.c:2713) [ 13.149012][ T269] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.149015][ T269] ? sock_write_iter (net/socket.c:1269) [ 13.149016][ T269] ? move_addr_to_kernel (net/socket.c:258) [ 13.149024][ T269] ___sys_sendmsg (net/socket.c:2767) [ 13.149026][ T269] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.149042][ T269] __sys_sendmsg (net/socket.c:2799) [ 13.149045][ T269] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.149051][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.149054][ T269] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.149057][ T269] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.149060][ T269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.149063][ T269] RIP: 0033:0x7f355e66354e [ 13.149067][ T269] 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 [ 13.149069][ T269] RSP: 002b:00007ffec6600540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.149071][ T269] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f355e66354e [ 13.149073][ T269] RDX: 0000000000000000 RSI: 00007ffec66005f0 RDI: 0000000000000005 [ 13.149074][ T269] RBP: 00007ffec6600550 R08: 0000000000000000 R09: 0000000000000000 [ 13.149074][ T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91363c [ 13.149075][ T269] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec6600cc0 | [ 14.398853][ T12] softirqs last disabled at (5702): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 14.398856][ T12] Preemption disabled at: | [ 14.398856][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.398869][ T12] Tainted: [W]=WARN [ 14.398870][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.398872][ T12] Workqueue: netns cleanup_net [ 14.398876][ T12] Call Trace: [ 14.398878][ T12] [ 14.398880][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.398887][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.398890][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 14.398895][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.398900][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.398906][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.398909][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.398917][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.398921][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.398926][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 14.398930][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.398935][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 14.398943][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.398948][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.398956][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.398960][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.398969][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.398975][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.398978][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.398983][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.398986][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.398994][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.399001][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.399004][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.399014][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.399018][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.399021][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.399024][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 14.399030][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.399033][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.399038][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 14.399044][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.399046][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 14.399049][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.399052][ T12] ? kthread (kernel/kthread.c:436) [ 14.399055][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 14.399058][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 14.399066][ T12] _printk (kernel/printk/printk.c:2504) [ 14.399071][ T12] ? snapshot_read.cold (user.c:?) [ 14.399079][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.399084][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.399090][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.399094][ T12] ? netdev_notice (net/core/dev.c:13194) [ 14.399102][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.399105][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 14.399109][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 14.399113][ T12] ? 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) [ 14.399117][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 14.399124][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 14.399129][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 14.399139][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 14.399145][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 14.399150][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 14.399156][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.399161][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 14.399163][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.399169][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 14.399177][ T12] cleanup_net (net/core/net_namespace.c:706) [ 14.399182][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 14.399188][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.399191][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.399197][ T12] process_one_work (kernel/workqueue.c:3387) [ 14.399209][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.399214][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.399228][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.399240][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.399243][ T12] kthread (kernel/kthread.c:436) [ 14.399245][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.399250][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.399254][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.399259][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.399265][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.399270][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars