====================================== | [ 10.513057][ T199] softirqs last disabled at (36874): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.513060][ T199] Preemption disabled at: | [ 10.513060][ T199] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.513069][ T199] Tainted: [W]=WARN [ 10.513070][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.513072][ T199] Call Trace: [ 10.513073][ T199] [ 10.513074][ T199] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.513080][ T199] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.513082][ T199] __might_resched.cold (kernel/sched/core.c:9234) [ 10.513087][ T199] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.513091][ T199] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.513095][ T199] __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)) [ 10.513097][ T199] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.513104][ T199] ? 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) [ 10.513106][ T199] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.513110][ T199] put_chars (drivers/char/virtio_console.c:1176) [ 10.513112][ T199] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.513116][ T199] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.513120][ T199] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.513124][ T199] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.513126][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.513128][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.513132][ T199] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.513135][ T199] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.513138][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.513140][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.513144][ T199] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.513148][ T199] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.513150][ T199] ? 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)) [ 10.513153][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.513154][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.513158][ T199] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.513162][ T199] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.513164][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.513169][ T199] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.513172][ T199] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.513174][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.513176][ T199] ? 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) [ 10.513179][ T199] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.513181][ T199] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.513184][ T199] vprintk_emit (kernel/printk/printk.c:2479) [ 10.513187][ T199] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.513189][ T199] ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110) [ 10.513195][ T199] _printk (kernel/printk/printk.c:2504) [ 10.513199][ T199] ? snapshot_read.cold (user.c:?) [ 10.513203][ T199] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 10.513205][ T199] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.513209][ T199] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.513213][ T199] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.513215][ T199] ? netdev_notice (net/core/dev.c:13194) [ 10.513220][ T199] ? bond_lower_state_changed (drivers/net/bonding/bond_main.c:1835) bonding [ 10.513230][ T199] ? netdev_upper_dev_link (net/core/dev.c:9034) [ 10.513236][ T199] bond_enslave.cold (drivers/net/bonding/bond_main.c:2342 (discriminator 7)) bonding [ 10.513247][ T199] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.513249][ T199] ? bond_update_slave_arr (drivers/net/bonding/bond_main.c:5219 (discriminator 9)) bonding [ 10.513255][ T199] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.513257][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.513258][ T199] ? __lock_acquire (kernel/locking/lockdep.c:451 kernel/locking/lockdep.c:5242) [ 10.513263][ T199] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.513273][ T199] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.513277][ T199] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.513282][ T199] do_set_master (net/core/rtnetlink.c:3071) [ 10.513286][ T199] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.513289][ T199] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.513293][ T199] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.513294][ T199] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.513297][ T199] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.513301][ T199] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.513303][ T199] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.513305][ T199] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.513307][ T199] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.513309][ T199] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.513310][ T199] ? kasan_save_track (mm/kasan/common.c:78) [ 10.513312][ T199] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.513314][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.513316][ T199] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.513319][ T199] ? ___sys_sendmsg (net/socket.c:2758) [ 10.513323][ T199] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.513325][ T199] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.513327][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.513329][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.513331][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.513332][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.513333][ T199] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.513336][ T199] ? __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) [ 10.513337][ T199] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.513339][ T199] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.513342][ T199] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.513343][ T199] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.513348][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.513350][ T199] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.513355][ T199] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.513361][ T199] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.513363][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.513367][ T199] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.513369][ T199] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.513371][ T199] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.513373][ T199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.513376][ T199] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.513379][ T199] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.513382][ T199] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.513383][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.513388][ T199] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.513389][ T199] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.513393][ T199] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.513396][ T199] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.513399][ T199] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.513405][ T199] ? 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)) [ 10.513407][ T199] ? 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)) [ 10.513412][ T199] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.513416][ T199] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.513418][ T199] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.513422][ T199] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.513426][ T199] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.513430][ T199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.513432][ T199] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.513437][ T199] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.513439][ T199] ____sys_sendmsg (net/socket.c:2713) [ 10.513442][ T199] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.513444][ T199] ? sock_write_iter (net/socket.c:1269) [ 10.513445][ T199] ? move_addr_to_kernel (net/socket.c:258) [ 10.513453][ T199] ___sys_sendmsg (net/socket.c:2767) [ 10.513456][ T199] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.513471][ T199] __sys_sendmsg (net/socket.c:2799) [ 10.513474][ T199] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.513480][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.513483][ T199] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.513486][ T199] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.513489][ T199] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.513491][ T199] RIP: 0033:0x7fd5f43b654e [ 10.513494][ T199] 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 [ 10.513496][ T199] RSP: 002b:00007ffee6c57760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.513498][ T199] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd5f43b654e [ 10.513500][ T199] RDX: 0000000000000000 RSI: 00007ffee6c57810 RDI: 0000000000000005 [ 10.513501][ T199] RBP: 00007ffee6c57770 R08: 0000000000000000 R09: 0000000000000000 [ 10.513502][ T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e55c [ 10.513502][ T199] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee6c57ed0 | [ 11.524864][ T216] softirqs last disabled at (34344): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 11.524866][ T216] Preemption disabled at: | [ 11.524866][ T216] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.524875][ T216] Tainted: [W]=WARN [ 11.524876][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.524877][ T216] Call Trace: [ 11.524879][ T216] [ 11.524881][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.524887][ T216] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.524889][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 11.524893][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.524898][ T216] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.524902][ T216] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.524904][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.524911][ T216] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.524913][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.524917][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 11.524920][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.524923][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.524926][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.524929][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.524933][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.524937][ T216] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.524939][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.524941][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.524945][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.524947][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.524951][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.524955][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.524959][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.524961][ T216] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.524964][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.524966][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.524970][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.524974][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.524976][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.524981][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.524984][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.524986][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.524988][ T216] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.524992][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.524993][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.524996][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 11.524999][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.525001][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.525006][ T216] _printk (kernel/printk/printk.c:2504) [ 11.525010][ T216] ? snapshot_read.cold (user.c:?) [ 11.525013][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.525015][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.525019][ T216] ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84) [ 11.525022][ T216] vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1)) [ 11.525027][ T216] ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261) [ 11.525032][ T216] ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110) [ 11.525038][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.525040][ T216] notifier_call_chain (kernel/notifier.c:85) [ 11.525045][ T216] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853) [ 11.525050][ T216] ? netif_change_name (net/core/dev.c:1517) [ 11.525054][ T216] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 11.525056][ T216] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.525059][ T216] ? __kernel_text_address (kernel/extable.c:79) [ 11.525061][ T216] ? write_profile (profile.c:?) [ 11.525066][ T216] netif_change_flags (net/core/dev.c:9882) [ 11.525069][ T216] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 11.525074][ T216] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.525076][ T216] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.525077][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.525079][ T216] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.525083][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.525085][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.525086][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.525089][ T216] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.525091][ T216] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.525092][ T216] ? kasan_save_track (mm/kasan/common.c:78) [ 11.525094][ T216] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.525096][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.525098][ T216] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 11.525101][ T216] ? ___sys_sendmsg (net/socket.c:2758) [ 11.525104][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.525106][ T216] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.525109][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.525111][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.525112][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.525113][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.525115][ T216] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.525117][ T216] ? __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) [ 11.525120][ T216] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.525122][ T216] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.525125][ T216] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.525129][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.525131][ T216] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.525136][ T216] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.525141][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.525143][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.525148][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.525150][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.525152][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.525153][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.525157][ T216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.525159][ T216] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.525162][ T216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.525164][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.525168][ T216] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.525170][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.525173][ T216] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.525177][ T216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.525180][ T216] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.525186][ T216] ? 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)) [ 11.525188][ T216] ? 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)) [ 11.525193][ T216] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.525197][ T216] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.525199][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.525204][ T216] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.525208][ T216] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.525211][ T216] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.525213][ T216] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.525218][ T216] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.525221][ T216] ____sys_sendmsg (net/socket.c:2713) [ 11.525224][ T216] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.525226][ T216] ? sock_write_iter (net/socket.c:1269) [ 11.525227][ T216] ? move_addr_to_kernel (net/socket.c:258) [ 11.525235][ T216] ___sys_sendmsg (net/socket.c:2767) [ 11.525238][ T216] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.525254][ T216] __sys_sendmsg (net/socket.c:2799) [ 11.525257][ T216] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.525263][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.525266][ T216] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.525269][ T216] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.525274][ T216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.525277][ T216] RIP: 0033:0x7feaf4b9454e [ 11.525282][ T216] 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 [ 11.525283][ T216] RSP: 002b:00007fffce838360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.525286][ T216] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007feaf4b9454e [ 11.525287][ T216] RDX: 0000000000000000 RSI: 00007fffce838410 RDI: 0000000000000005 [ 11.525288][ T216] RBP: 00007fffce838370 R08: 0000000000000000 R09: 0000000000000000 [ 11.525289][ T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e55d [ 11.525290][ T216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffce838ad0 | [ 12.789681][ T12] softirqs last disabled at (106684): dev_mc_flush (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1165 (discriminator 2)) | [ 12.789683][ T12] Preemption disabled at: | [ 12.789684][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.789692][ T12] Tainted: [W]=WARN [ 12.789693][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.789695][ T12] Workqueue: netns cleanup_net [ 12.789698][ T12] Call Trace: [ 12.789700][ T12] [ 12.789702][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.789708][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.789710][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 12.789714][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.789718][ 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) [ 12.789723][ 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)) [ 12.789725][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.789731][ 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) [ 12.789734][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.789737][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 12.789740][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.789741][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.789745][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.789751][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.789758][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.789761][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.789763][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.789767][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.789771][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.789773][ 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)) [ 12.789777][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.789778][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.789782][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.789787][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.789788][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.789794][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.789797][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.789799][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.789801][ 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) [ 12.789808][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.789810][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.789813][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 12.789816][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.789819][ T12] ? look_up_lock_class (kernel/locking/lockdep.c:949 (discriminator 5)) [ 12.789825][ T12] _printk (kernel/printk/printk.c:2504) [ 12.789828][ T12] ? snapshot_read.cold (user.c:?) [ 12.789830][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.789834][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.789838][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.789842][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.789845][ T12] ? netdev_notice (net/core/dev.c:13194) [ 12.789850][ T12] ? bond_xdp (drivers/net/bonding/bond_main.c:5773) bonding [ 12.789860][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.789864][ T12] ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84) [ 12.789868][ T12] bond_uninit.cold (drivers/net/bonding/bond_main.c:6072) bonding [ 12.789878][ T12] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) bonding [ 12.789889][ T12] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 12.789894][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 12.789895][ T12] ? queue_rcu_work (./include/linux/rcupdate.h:134 kernel/workqueue.c:2743) [ 12.789898][ T12] ? ipmr_free_table (net/ipv4/ipmr.c:453) [ 12.789902][ 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) [ 12.789904][ T12] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 12.789906][ T12] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1)) [ 12.789909][ 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) [ 12.789912][ T12] ops_undo_list (net/core/net_namespace.c:188 net/core/net_namespace.c:249) [ 12.789917][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 12.789918][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.789924][ T12] cleanup_net (net/core/net_namespace.c:706) [ 12.789927][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 12.789931][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.789933][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.789936][ T12] process_one_work (kernel/workqueue.c:3387) [ 12.789943][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.789946][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.789954][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.789961][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.789963][ T12] kthread (kernel/kthread.c:436) [ 12.789965][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.789969][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.789971][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.789976][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.789979][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.789983][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars dev_mc_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars