8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 list_add double add: new=ffff8801b47ebbd0, prev=ffff8801b99ad438, next=ffff8801b47ebbd0. ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:31! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7172 Comm: syz-executor0 Not tainted 4.18.0-rc1+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_add_valid+0xaa/0xb0 lib/list_debug.c:29 Code: e8 eb a9 48 89 f7 48 89 75 e8 e8 91 9a 4c fe 48 8b 75 e8 eb bb 48 89 f2 48 89 d9 4c 89 e6 48 c7 c7 00 70 fd 87 e8 55 ff f7 fd <0f> 0b 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 55 RSP: 0018:ffff8801b9407188 EFLAGS: 00010282 RAX: 0000000000000058 RBX: ffff8801b47ebbd0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff87fd6dc0 RDI: ffffffff8a9fc860 RBP: ffff8801b94071a0 R08: ffffed003b584f99 R09: ffffed003b584f98 R10: ffffed003b584f98 R11: ffff8801dac27cc7 R12: ffff8801b47ebbd0 R13: ffff8801b47ebbd0 R14: ffff8801b47eba48 R15: ffff8801b9407228 FS: 00007f81e0a32700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004cc248 CR3: 00000001bf3dd000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_add include/linux/list.h:60 [inline] list_add include/linux/list.h:79 [inline] inode_sb_list_add+0xff/0x380 fs/inode.c:444 inode_insert5+0x305/0x540 fs/inode.c:1088 ovl_iget5 fs/overlayfs/inode.c:755 [inline] ovl_get_inode+0x22a/0xd57 fs/overlayfs/inode.c:788 ovl_instantiate+0x1ab/0x3f0 fs/overlayfs/dir.c:260 ovl_create_upper fs/overlayfs/dir.c:318 [inline] ovl_create_or_link+0x4ed/0x1110 fs/overlayfs/dir.c:575 ovl_create_object+0x284/0x3f0 fs/overlayfs/dir.c:607 ovl_create+0x1e/0x20 fs/overlayfs/dir.c:621 lookup_open+0x116a/0x1cd0 fs/namei.c:3220 do_last fs/namei.c:3311 [inline] path_openat+0x1033/0x4750 fs/namei.c:3540 do_filp_open+0x233/0x370 fs/namei.c:3574 do_sys_open+0x3dc/0x6b0 fs/open.c:1101 __do_sys_open fs/open.c:1119 [inline] __se_sys_open fs/open.c:1114 [inline] __x64_sys_open+0x79/0xb0 fs/open.c:1114 do_syscall_64+0x183/0x700 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4576b9 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f81e0a31c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004576b9 RDX: 0000000000000000 RSI: 0000000000141042 RDI: 00000000200001c0 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81e0a326d4 R13: 00000000004f015f R14: 00000000004d4660 R15: 00000000ffffffff Modules linked in: ---[ end trace d42fe4dac3a152a0 ]--- RIP: 0010:__list_add_valid+0xaa/0xb0 lib/list_debug.c:29 Code: e8 eb a9 48 89 f7 48 89 75 e8 e8 91 9a 4c fe 48 8b 75 e8 eb bb 48 89 f2 48 89 d9 4c 89 e6 48 c7 c7 00 70 fd 87 e8 55 ff f7 fd <0f> 0b 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 55 RSP: 0018:ffff8801b9407188 EFLAGS: 00010282 RAX: 0000000000000058 RBX: ffff8801b47ebbd0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff87fd6dc0 RDI: ffffffff8a9fc860 RBP: ffff8801b94071a0 R08: ffffed003b584f99 R09: ffffed003b584f98 R10: ffffed003b584f98 R11: ffff8801dac27cc7 R12: ffff8801b47ebbd0 R13: ffff8801b47ebbd0 R14: ffff8801b47eba48 R15: ffff8801b9407228 FS: 00007f81e0a32700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004cc248 CR3: 00000001bf3dd000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400