Hello,
syzbot found the following issue on:
HEAD commit: ad9a98ef27a4 Revert "vm_sockets: Add flags field in the vs..
git tree: android13-5.10-lts
console+strace:
https://syzkaller.appspot.com/x/log.txt?x=1034a0a2580000
kernel config:
https://syzkaller.appspot.com/x/.config?x=7b5d720faa3cf893
dashboard link:
https://syzkaller.appspot.com/bug?extid=86d38e9d6df589710da6
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
syz repro:
https://syzkaller.appspot.com/x/repro.syz?x=1434a0a2580000
C reproducer:
https://syzkaller.appspot.com/x/repro.c?x=122994f0580000
Downloadable assets:
disk image:
https://storage.googleapis.com/syzbot-assets/dced5956a59f/disk-ad9a98ef.raw.xz
vmlinux:
https://storage.googleapis.com/syzbot-assets/97f616e08390/vmlinux-ad9a98ef.xz
kernel image:
https://storage.googleapis.com/syzbot-assets/11c5c425f6ec/bzImage-ad9a98ef.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by:
syzbot+86d38e...@syzkaller.appspotmail.com
R10: 0000000000000001 R11: 0000000000000206 R12: 00007ffd977a3c70
R13: 00000000000f4240 R14: 000000000000ab45 R15: 00007ffd977a3c34
tipc: Failed to bind to 65,0,0, no memory
list_add double add: new=ffff888105b83338, prev=ffff888105b83338, next=ffff888105b83338.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:35!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 291 Comm: syz-executor760 Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__list_add_valid+0x9f/0xf0 lib/list_debug.c:33
Code: f7 74 12 49 39 df 74 0d b0 01 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 40 1c 20 85 4c 89 fe 4c 89 f2 48 89 d9 e8 81 6f 30 02 <0f> 0b 48 c7 c7 40 1a 20 85 e8 73 6f 30 02 0f 0b 48 c7 c7 e0 1a 20
RSP: 0018:ffffc90000c37370 EFLAGS: 00010246
RAX: 0000000000000058 RBX: ffff888105b83338 RCX: 6e850cccd8210a00
RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000
RBP: ffffc90000c37398 R08: dffffc0000000000 R09: ffffed103ee2a5f8
R10: ffffed103ee2a5f8 R11: 1ffff1103ee2a5f7 R12: ffff888105b83340
R13: dffffc0000000000 R14: ffff888105b83338 R15: ffff888105b83338
FS: 00005555688ec380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff555ee6980 CR3: 000000010b8c0000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__list_add include/linux/list.h:67 [inline]
list_add_tail include/linux/list.h:100 [inline]
list_move_tail include/linux/list.h:228 [inline]
tipc_nametbl_translate+0xbe4/0xed0 net/tipc/name_table.c:584
__tipc_sendmsg+0xb99/0x2be0 net/tipc/socket.c:1464
__tipc_sendstream+0x14ec/0x1740 net/tipc/socket.c:1568
tipc_sendstream net/tipc/socket.c:1541 [inline]
tipc_send_packet+0x7c/0xa0 net/tipc/socket.c:1647
sock_sendmsg_nosec net/socket.c:652 [inline]
__sock_sendmsg net/socket.c:664 [inline]
____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2376
___sys_sendmsg+0x1f0/0x260 net/socket.c:2430
__sys_sendmsg net/socket.c:2459 [inline]
__do_sys_sendmsg net/socket.c:2468 [inline]
__se_sys_sendmsg net/socket.c:2466 [inline]
__x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2466
do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7ff555f010b9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd977a3c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff555f010b9
RDX: 0000000000000004 RSI: 0000200000000240 RDI: 0000000000000006
RBP: 00007ffd977a3c40 R08: 0000000100000000 R09: 0000000100000000
R10: 0000000100000000 R11: 0000000000000246 R12: 00007ffd977a3c70
R13: 00000000000f4240 R14: 000000000000ab45 R15: 00007ffd977a3c34
Modules linked in:
---[ end trace 167d88c6814e62c0 ]---
RIP: 0010:__list_add_valid+0x9f/0xf0 lib/list_debug.c:33
Code: f7 74 12 49 39 df 74 0d b0 01 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 40 1c 20 85 4c 89 fe 4c 89 f2 48 89 d9 e8 81 6f 30 02 <0f> 0b 48 c7 c7 40 1a 20 85 e8 73 6f 30 02 0f 0b 48 c7 c7 e0 1a 20
RSP: 0018:ffffc90000c37370 EFLAGS: 00010246
RAX: 0000000000000058 RBX: ffff888105b83338 RCX: 6e850cccd8210a00
RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000
RBP: ffffc90000c37398 R08: dffffc0000000000 R09: ffffed103ee2a5f8
R10: ffffed103ee2a5f8 R11: 1ffff1103ee2a5f7 R12: ffff888105b83340
R13: dffffc0000000000 R14: ffff888105b83338 R15: ffff888105b83338
FS: 00005555688ec380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff555ee6980 CR3: 000000010b8c0000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
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