====================================== | [ 861.699439][T11124] ------------[ cut here ]------------ | [ 861.699696][T11124] RTNL: assertion failed at net/core/link_watch.c (59) | [861.699964][T11124] WARNING: CPU: 3 PID: 11124 at net/core/link_watch.c:59 default_operstate (net/core/link_watch.c:59 (discriminator 3)) | [ 861.700319][T11124] Modules linked in: ip6_gre ip6_tunnel tunnel6 gre act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel sch_ingress bridge stp llc 8021q vrf veth [ 861.701188][T11124] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [861.701476][T11124] RIP: 0010:default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 861.701677][T11124] Code: 83 e4 01 0f 85 03 ff ff ff c6 05 2e 39 3a 02 01 90 ba 3b 00 00 00 48 c7 c6 00 2b b7 b8 48 c7 c7 40 2b b7 b8 e8 13 95 ea fd 90 <0f> 0b 90 90 e9 d9 fe ff ff 48 89 ef e8 d1 bb 71 fe e9 f7 fd ff ff All code ======== 0: 83 e4 01 and $0x1,%esp 3: 0f 85 03 ff ff ff jne 0xffffffffffffff0c 9: c6 05 2e 39 3a 02 01 movb $0x1,0x23a392e(%rip) # 0x23a393e 10: 90 nop 11: ba 3b 00 00 00 mov $0x3b,%edx 16: 48 c7 c6 00 2b b7 b8 mov $0xffffffffb8b72b00,%rsi 1d: 48 c7 c7 40 2b b7 b8 mov $0xffffffffb8b72b40,%rdi 24: e8 13 95 ea fd call 0xfffffffffdea953c 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: e9 d9 fe ff ff jmp 0xffffffffffffff0c 33: 48 89 ef mov %rbp,%rdi 36: e8 d1 bb 71 fe call 0xfffffffffe71bc0c 3b: e9 f7 fd ff ff jmp 0xfffffffffffffe37 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: e9 d9 fe ff ff jmp 0xfffffffffffffee2 9: 48 89 ef mov %rbp,%rdi c: e8 d1 bb 71 fe call 0xfffffffffe71bbe2 11: e9 f7 fd ff ff jmp 0xfffffffffffffe0d [ 861.702328][T11124] RSP: 0018:ffffc90000df71c8 EFLAGS: 00010286 [ 861.702574][T11124] RAX: 0000000000000000 RBX: ffff888008344000 RCX: 1ffffffff727b58c [ 861.702861][T11124] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 861.703135][T11124] RBP: 0000000000000010 R08: 0000000000000000 R09: fffffbfff727b58c [ 861.703417][T11124] R10: 0000000000000003 R11: ffff88801a60c5c0 R12: 0000000000000000 [ 861.703761][T11124] R13: dffffc0000000000 R14: ffffc90000df6cb0 R15: ffff8880083445b0 [ 861.704040][T11124] FS: 00007f5d09964800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000 [ 861.704357][T11124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 861.704596][T11124] CR2: 00007fa5f672b5a0 CR3: 0000000008830003 CR4: 0000000000772ef0 [ 861.704873][T11124] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 861.705159][T11124] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 861.705441][T11124] PKRU: 55555554 [ 861.705583][T11124] Call Trace: [ 861.705723][T11124] [861.705822][T11124] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [861.706012][T11124] ? __warn (kernel/panic.c:748) [861.706156][T11124] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [861.706383][T11124] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [861.706717][T11124] ? report_bug (lib/bug.c:201 lib/bug.c:219) [861.706905][T11124] ? handle_bug (arch/x86/kernel/traps.c:285) [861.707047][T11124] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [861.707236][T11124] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [861.707450][T11124] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [861.707641][T11124] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [861.707824][T11124] rfc2863_policy (net/core/link_watch.c:78) [861.708016][T11124] linkwatch_do_dev (net/core/link_watch.c:180) [861.708194][T11124] netdev_run_todo (net/core/dev.c:10894 (discriminator 2)) [861.708377][T11124] ? __pfx_netdev_run_todo (net/core/dev.c:10867) [861.708582][T11124] rtnl_dellink (net/core/rtnetlink.c:3528) [861.708769][T11124] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3484) [861.708999][T11124] ? find_held_lock (kernel/locking/lockdep.c:5339) [861.709184][T11124] ? __lock_release (kernel/locking/lockdep.c:5525) [861.709371][T11124] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6900) [861.709592][T11124] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [861.709774][T11124] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [861.709965][T11124] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6900) [861.710162][T11124] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3484) [861.710378][T11124] rtnetlink_rcv_msg (net/core/rtnetlink.c:6902) [861.710578][T11124] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6805) [861.710767][T11124] ? 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) [861.710954][T11124] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [861.711101][T11124] ? __lock_acquire (kernel/locking/lockdep.c:5226) [861.711288][T11124] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [861.711493][T11124] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6805) [861.711680][T11124] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [861.711875][T11124] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [861.712059][T11124] ? 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) [861.712252][T11124] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [861.712449][T11124] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [861.712626][T11124] ? find_held_lock (kernel/locking/lockdep.c:5339) [861.712818][T11124] netlink_sendmsg (net/netlink/af_netlink.c:1892) [861.713003][T11124] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [861.713210][T11124] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594) [861.713426][T11124] ? __pfx_____sys_sendmsg (net/socket.c:2540) [861.713618][T11124] ? __pfx_copy_msghdr_from_user (net/socket.c:2520) [861.713853][T11124] ___sys_sendmsg (net/socket.c:2650) [861.714038][T11124] ? __pfx____sys_sendmsg (net/socket.c:2637) [861.714221][T11124] ? kasan_save_stack (mm/kasan/common.c:49) [861.714448][T11124] ? kasan_save_stack (mm/kasan/common.c:48) [861.714632][T11124] ? __kasan_record_aux_stack (mm/kasan/generic.c:544) [861.714817][T11124] ? __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) [861.715051][T11124] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539) [861.715232][T11124] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [861.715421][T11124] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [861.715646][T11124] ? __lock_acquire (kernel/locking/lockdep.c:5226) [861.715836][T11124] ? find_held_lock (kernel/locking/lockdep.c:5339) [861.716020][T11124] ? __lock_release (kernel/locking/lockdep.c:5525) [861.716203][T11124] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65) [861.716407][T11124] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [861.716587][T11124] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [861.716791][T11124] __sys_sendmsg (net/socket.c:2680) [861.716977][T11124] ? __pfx___sys_sendmsg (net/socket.c:2665) [861.717155][T11124] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643) [861.717428][T11124] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [861.717621][T11124] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 861.717980][T11124] RIP: 0033:0x7f5d09b709a7 [ 861.718304][T11124] 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) [ 861.719332][T11124] RSP: 002b:00007ffc7a01ecf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 861.719622][T11124] RAX: ffffffffffffffda RBX: 00007ffc7a01f420 RCX: 00007f5d09b709a7 [ 861.719909][T11124] RDX: 0000000000000000 RSI: 00007ffc7a01ed60 RDI: 0000000000000005 [ 861.720194][T11124] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 861.720471][T11124] R10: 00007f5d09a2eef8 R11: 0000000000000246 R12: 0000000000000002 Finger prints: default_operstate:rfc2863_policy:linkwatch_do_dev:netdev_run_todo:rtnl_dellink