====================================== | [1288.007642][T17391] #0: ffffffff9ebe7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:328 net/core/rtnetlink.c:4011) | [1288.007912][T17391] #1: ffffffff9ebd6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain (kernel/notifier.c:380 kernel/notifier.c:368) | [ 1288.008225][T17391] | [ 1288.008225][T17391] stack backtrace: [ 1288.008643][T17391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1288.008838][T17391] Call Trace: [ 1288.008957][T17391] [1288.009035][T17391] dump_stack_lvl (lib/dump_stack.c:123) [1288.009193][T17391] print_circular_bug (kernel/locking/lockdep.c:2077) [1288.009349][T17391] check_noncircular (kernel/locking/lockdep.c:2206) [1288.009503][T17391] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2182) [1288.009658][T17391] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [1288.009816][T17391] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [1288.009971][T17391] ? alloc_chain_hlocks (kernel/locking/lockdep.c:3528) [1288.010127][T17391] check_prev_add (kernel/locking/lockdep.c:3162) [1288.010286][T17391] validate_chain (kernel/locking/lockdep.c:3281 kernel/locking/lockdep.c:3904) [1288.010440][T17391] ? find_held_lock (kernel/locking/lockdep.c:5339) [1288.010592][T17391] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [1288.010742][T17391] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [1288.010890][T17391] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [1288.011009][T17391] __lock_acquire (kernel/locking/lockdep.c:5226) [1288.011166][T17391] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [1288.011351][T17391] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851) [1288.011500][T17391] ? team_vlan_rx_add_vid (drivers/net/team/team_core.c:1910) [1288.011661][T17391] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [1288.011810][T17391] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [1288.011959][T17391] ? lock_acquire (kernel/locking/lockdep.c:5822) [1288.012111][T17391] ? team_vlan_rx_add_vid (drivers/net/team/team_core.c:1910) [1288.012265][T17391] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735) [1288.012416][T17391] ? team_vlan_rx_add_vid (drivers/net/team/team_core.c:1910) [1288.012563][T17391] ? __create_object (mm/kmemleak.c:766) [1288.012713][T17391] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [1288.012862][T17391] ? team_vlan_rx_add_vid (drivers/net/team/team_core.c:1910) [1288.013012][T17391] ? __pfx___mutex_lock (kernel/locking/mutex.c:734) [1288.013166][T17391] ? mark_held_locks (kernel/locking/lockdep.c:4321) [1288.013314][T17391] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [1288.013500][T17391] ? __create_object (mm/kmemleak.c:766) [1288.013649][T17391] ? team_vlan_rx_add_vid (drivers/net/team/team_core.c:1910) [1288.013798][T17391] team_vlan_rx_add_vid (drivers/net/team/team_core.c:1910) [1288.013948][T17391] vlan_vid_add (net/8021q/vlan_core.c:307 net/8021q/vlan_core.c:336) [1288.014100][T17391] vlan_device_event (net/8021q/vlan.c:385) 8021q [1288.014261][T17391] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q [1288.014448][T17391] ? packet_notifier (net/packet/af_packet.c:4282) [1288.014597][T17391] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) [1288.014747][T17391] blocking_notifier_call_chain (kernel/notifier.c:381 kernel/notifier.c:368) [1288.014895][T17391] __dev_notify_flags (net/core/dev.c:9010) [1288.015043][T17391] ? __pfx___dev_notify_flags (net/core/dev.c:8997) [1288.015206][T17391] ? __pfx___dev_change_flags (net/core/dev.c:8930) [1288.015362][T17391] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [1288.015511][T17391] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [1288.015699][T17391] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [1288.015849][T17391] dev_change_flags (net/core/dev.c:9045) [1288.016007][T17391] do_setlink.constprop.0 (net/core/rtnetlink.c:3109) [1288.016167][T17391] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:2990) [1288.016362][T17391] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851) [1288.016518][T17391] ? rtnl_newlink (net/core/rtnetlink.c:328 net/core/rtnetlink.c:4011) [1288.016666][T17391] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3912) [1288.016812][T17391] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6902) [1288.016960][T17391] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:104) [1288.017110][T17391] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) [1288.017301][T17391] ? lock_acquire (kernel/locking/lockdep.c:5822) [1288.017449][T17391] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 37)) [1288.017605][T17391] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735) [1288.017755][T17391] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [1288.017905][T17391] ? rtnl_newlink (net/core/rtnetlink.c:328 net/core/rtnetlink.c:4011) [1288.018059][T17391] ? __pfx___mutex_lock (kernel/locking/mutex.c:734) [1288.018210][T17391] ? __create_object (mm/kmemleak.c:766) [1288.018362][T17391] ? __rtnl_newlink (net/core/rtnetlink.c:3862) [1288.018511][T17391] rtnl_newlink (net/core/rtnetlink.c:336 net/core/rtnetlink.c:4013) [1288.018666][T17391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3903) [1288.018813][T17391] ? find_held_lock (kernel/locking/lockdep.c:5339) [1288.018965][T17391] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [1288.019114][T17391] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [1288.019269][T17391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6900) [1288.019419][T17391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3903) [1288.019568][T17391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6902) [1288.019717][T17391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6805) [1288.019870][T17391] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [1288.020019][T17391] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [1288.020135][T17391] ? __lock_acquire (kernel/locking/lockdep.c:5226) [1288.020284][T17391] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [1288.020431][T17391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6805) [1288.020579][T17391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [1288.020734][T17391] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [1288.020916][T17391] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [1288.021076][T17391] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [1288.021229][T17391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [1288.021390][T17391] ? find_held_lock (kernel/locking/lockdep.c:5339) [1288.021548][T17391] netlink_sendmsg (net/netlink/af_netlink.c:1892) [1288.021703][T17391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [1288.021868][T17391] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594) [1288.022026][T17391] ? __pfx_____sys_sendmsg (net/socket.c:2540) [1288.022184][T17391] ? __pfx_copy_msghdr_from_user (net/socket.c:2520) [1288.022374][T17391] ___sys_sendmsg (net/socket.c:2650) [1288.022523][T17391] ? __pfx____sys_sendmsg (net/socket.c:2637) [1288.022674][T17391] ? kasan_save_stack (mm/kasan/common.c:49) [1288.022827][T17391] ? kasan_save_stack (mm/kasan/common.c:48) [1288.022975][T17391] ? __kasan_record_aux_stack (mm/kasan/generic.c:544) [1288.023136][T17391] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3087) [1288.023324][T17391] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539) [1288.023477][T17391] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [1288.023628][T17391] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [1288.023825][T17391] ? __lock_acquire (kernel/locking/lockdep.c:5226) [1288.023986][T17391] ? find_held_lock (kernel/locking/lockdep.c:5339) [1288.024140][T17391] ? __lock_release (kernel/locking/lockdep.c:5525) [1288.024299][T17391] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65) [1288.024466][T17391] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [1288.024624][T17391] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [1288.024778][T17391] __sys_sendmsg (net/socket.c:2680) [1288.024933][T17391] ? __pfx___sys_sendmsg (net/socket.c:2665) [1288.025089][T17391] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643) [1288.025287][T17391] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [1288.025452][T17391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1288.025646][T17391] RIP: 0033:0x7fac3f6419a7 [ 1288.025808][T17391] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 1288.026373][T17391] RSP: 002b:00007ffee560d688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1288.026614][T17391] RAX: ffffffffffffffda RBX: 00007ffee560ddb0 RCX: 00007fac3f6419a7 [ 1288.026849][T17391] RDX: 0000000000000000 RSI: 00007ffee560d6f0 RDI: 0000000000000005 [ 1288.027080][T17391] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 1288.027333][T17391] R10: 00007fac3f4ffef8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: print_circular_bug:check_noncircular:check_prev_add:validate_chain:__lock_acquire