list_del corruption, ffff8880754c50b0->next is LIST_POISON1 (dead000000000100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:55!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 22734 Comm: syz-executor.1 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:__list_del_entry_valid+0xef/0x130 lib/list_debug.c:53
Code: a9 43 03 06 0f 0b 48 c7 c7 e0 bf 0a 8b 4c 89 fe 31 c0 e8 96 43 03 06 0f 0b 48 c7 c7 40 c0 0a 8b 4c 89 fe 31 c0 e8 83 43 03 06 <0f> 0b 48 c7 c7 a0 c0 0a 8b 4c 89 fe 31 c0 e8 70 43 03 06 0f 0b 48
RSP: 0018:ffffc900050ef630 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000122 RCX: f8e5f10b861ae800
RDX: ffffc9000bfd2000 RSI: 0000000000001b64 RDI: 0000000000001b65
RBP: 0000000000000001 R08: ffffffff816ced5d R09: fffff52000a1de7d
R10: fffff52000a1de7d R11: 1ffff92000a1de7c R12: dffffc0000000000
R13: 1ffff1100ea98a00 R14: dead000000000100 R15: ffff8880754c50b0
FS:  00007f5c8059e700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000c000 CR3: 000000007bc2e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_del_entry include/linux/list.h:134 [inline]
 list_del include/linux/list.h:148 [inline]
 p9_fd_cancel+0x9c/0x230 net/9p/trans_fd.c:703
 p9_client_rpc+0x92c/0xad0 net/9p/client.c:723
 p9_client_create+0x997/0x1030 net/9p/client.c:1015
 v9fs_session_init+0x1e3/0x1990 fs/9p/v9fs.c:408
 v9fs_mount+0xd2/0xcb0 fs/9p/vfs_super.c:126
 legacy_get_tree+0xea/0x180 fs/fs_context.c:610
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x289/0xad0 fs/namespace.c:3040
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5c7f88b5a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007f5c8059e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f5c7f9ac050 RCX: 00007f5c7f88b5a9
RDX: 00000000200003c0 RSI: 0000000020000380 RDI: 0000000000000000
RBP: 00007f5c7f8e67b0 R08: 0000000020000440 R09: 0000000000000000
R10: 0000000000000080 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff5fe79a6f R14: 00007f5c8059e300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid+0xef/0x130 lib/list_debug.c:53
Code: a9 43 03 06 0f 0b 48 c7 c7 e0 bf 0a 8b 4c 89 fe 31 c0 e8 96 43 03 06 0f 0b 48 c7 c7 40 c0 0a 8b 4c 89 fe 31 c0 e8 83 43 03 06 <0f> 0b 48 c7 c7 a0 c0 0a 8b 4c 89 fe 31 c0 e8 70 43 03 06 0f 0b 48
RSP: 0018:ffffc900050ef630 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000122 RCX: f8e5f10b861ae800
RDX: ffffc9000bfd2000 RSI: 0000000000001b64 RDI: 0000000000001b65
RBP: 0000000000000001 R08: ffffffff816ced5d R09: fffff52000a1de7d
R10: fffff52000a1de7d R11: 1ffff92000a1de7c R12: dffffc0000000000
R13: 1ffff1100ea98a00 R14: dead000000000100 R15: ffff8880754c50b0
FS:  00007f5c8059e700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000c000 CR3: 000000007bc2e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400