====================================== | [ 1379.673567][T17314] ------------[ cut here ]------------ | [ 1379.673881][T17314] RTNL: assertion failed at net/core/link_watch.c (59) | [1379.674146][T17314] WARNING: CPU: 0 PID: 17314 at net/core/link_watch.c:59 default_operstate (net/core/link_watch.c:59 (discriminator 3)) | [ 1379.674488][T17314] Modules linked in: act_gact cls_flower sch_ingress 8021q ip_gre gre vrf veth [ 1379.675114][T17314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [1379.675328][T17314] RIP: 0010:default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 1379.675523][T17314] 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 97 89 48 c7 c7 40 2b 97 89 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 97 89 mov $0xffffffff89972b00,%rsi 1d: 48 c7 c7 40 2b 97 89 mov $0xffffffff89972b40,%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 [ 1379.676122][T17314] RSP: 0018:ffffc900011371c8 EFLAGS: 00010286 [ 1379.676345][T17314] RAX: 0000000000000000 RBX: ffff888008ed1000 RCX: 1ffffffff143b58c [ 1379.676660][T17314] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 1379.676921][T17314] RBP: 0000000000000007 R08: 0000000000000000 R09: fffffbfff143b58c [ 1379.677186][T17314] R10: 0000000000000003 R11: ffff88800a32a300 R12: 0000000000000000 [ 1379.677444][T17314] R13: dffffc0000000000 R14: ffffc90001136cb0 R15: ffff888008ed15b0 [ 1379.677709][T17314] FS: 00007fec45c9f800(0000) GS:ffff88802f600000(0000) knlGS:0000000000000000 [ 1379.678004][T17314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1379.678227][T17314] CR2: 00007fcc905655a0 CR3: 0000000011164001 CR4: 0000000000772ef0 [ 1379.678491][T17314] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1379.678742][T17314] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1379.678994][T17314] PKRU: 55555554 [ 1379.679124][T17314] Call Trace: [ 1379.679255][T17314] [1379.679345][T17314] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [1379.679537][T17314] ? __warn (kernel/panic.c:748) [1379.679668][T17314] ? 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) [1379.679838][T17314] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [1379.680006][T17314] ? report_bug (lib/bug.c:201 lib/bug.c:219) [1379.680183][T17314] ? handle_bug (arch/x86/kernel/traps.c:285) [1379.680314][T17314] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [1379.680495][T17314] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [1379.680682][T17314] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [1379.680851][T17314] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [1379.681020][T17314] rfc2863_policy (net/core/link_watch.c:78) [1379.681195][T17314] linkwatch_do_dev (net/core/link_watch.c:180) [1379.681364][T17314] netdev_run_todo (net/core/dev.c:10894 (discriminator 2)) [1379.681548][T17314] ? __pfx_netdev_run_todo (net/core/dev.c:10867) [1379.681737][T17314] rtnl_dellink (net/core/rtnetlink.c:3528) [1379.681922][T17314] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3484) [1379.682145][T17314] ? find_held_lock (kernel/locking/lockdep.c:5339) [1379.682316][T17314] ? __lock_release (kernel/locking/lockdep.c:5525) [1379.682499][T17314] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6900) [1379.682668][T17314] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [1379.682837][T17314] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [1379.683010][T17314] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6900) [1379.683183][T17314] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3484) [1379.683354][T17314] rtnetlink_rcv_msg (net/core/rtnetlink.c:6902) [1379.683534][T17314] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6805) [1379.683700][T17314] ? 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) [1379.683866][T17314] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [1379.684002][T17314] ? __lock_acquire (kernel/locking/lockdep.c:5226) [1379.684173][T17314] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [1379.684340][T17314] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6805) [1379.684541][T17314] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [1379.684735][T17314] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [1379.684907][T17314] ? 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) [1379.685079][T17314] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [1379.685251][T17314] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [1379.685435][T17314] ? find_held_lock (kernel/locking/lockdep.c:5339) [1379.685610][T17314] netlink_sendmsg (net/netlink/af_netlink.c:1892) [1379.685790][T17314] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [1379.685968][T17314] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594) [1379.686142][T17314] ? __pfx_____sys_sendmsg (net/socket.c:2540) [1379.686311][T17314] ? __pfx_copy_msghdr_from_user (net/socket.c:2520) [1379.686544][T17314] ___sys_sendmsg (net/socket.c:2650) [1379.686718][T17314] ? __pfx____sys_sendmsg (net/socket.c:2637) [1379.686890][T17314] ? kasan_save_stack (mm/kasan/common.c:49) [1379.687069][T17314] ? kasan_save_stack (mm/kasan/common.c:48) [1379.687241][T17314] ? __kasan_record_aux_stack (mm/kasan/generic.c:544) [1379.687430][T17314] ? __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) [1379.687643][T17314] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539) [1379.687818][T17314] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [1379.687988][T17314] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [1379.688199][T17314] ? __lock_acquire (kernel/locking/lockdep.c:5226) [1379.688397][T17314] ? find_held_lock (kernel/locking/lockdep.c:5339) [1379.688576][T17314] ? __lock_release (kernel/locking/lockdep.c:5525) [1379.688772][T17314] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65) [1379.688948][T17314] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [1379.689120][T17314] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [1379.689294][T17314] __sys_sendmsg (net/socket.c:2680) [1379.689477][T17314] ? __pfx___sys_sendmsg (net/socket.c:2665) [1379.689658][T17314] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643) [1379.689890][T17314] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [1379.690059][T17314] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1379.690266][T17314] RIP: 0033:0x7fec45eab9a7 [ 1379.690463][T17314] 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) [ 1379.691065][T17314] RSP: 002b:00007fffcfe24b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1379.691323][T17314] RAX: ffffffffffffffda RBX: 00007fffcfe25250 RCX: 00007fec45eab9a7 [ 1379.691590][T17314] RDX: 0000000000000000 RSI: 00007fffcfe24b90 RDI: 0000000000000005 [ 1379.691842][T17314] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 1379.692099][T17314] R10: 00007fec45d69ef8 R11: 0000000000000246 R12: 0000000000000002 Finger prints: default_operstate:rfc2863_policy:linkwatch_do_dev:netdev_run_todo:rtnl_dellink