list_del corruption, ffff888017a064b0->next is LIST_POISON1 (dead000000000100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:53!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 23477 Comm: syz-executor.5 Not tainted 6.1.0-rc3-syzkaller-00299-g2f5065a0bc9d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:__list_del_entry_valid.cold+0x5c/0x72 lib/list_debug.c:53
Code: e8 4f d4 f0 ff 0f 0b 48 89 ee 48 c7 c7 80 a5 49 8a e8 3e d4 f0 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 40 a6 49 8a e8 2a d4 f0 ff <0f> 0b 4c 89 e9 48 89 ee 48 c7 c7 80 a7 49 8a e8 16 d4 f0 ff 0f 0b
RSP: 0018:ffffc90015a7f7d0 EFLAGS: 00010282
RAX: 000000000000004e RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff81622b98 RDI: fffff52002b4feec
RBP: ffff888017a064b0 R08: 000000000000004e R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: dead000000000122
R13: dead000000000100 R14: ffff888017a064b0 R15: ffff888017a064b8
FS:  00007ffa4a90d700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7d9ef97718 CR3: 0000000074f00000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __list_del_entry include/linux/list.h:134 [inline]
 list_del include/linux/list.h:148 [inline]
 p9_fd_cancel+0xbf/0x280 net/9p/trans_fd.c:703
 p9_client_rpc+0xa5b/0xd70 net/9p/client.c:723
 p9_client_version net/9p/client.c:910 [inline]
 p9_client_create+0xaec/0x1070 net/9p/client.c:1015
 v9fs_session_init+0x1e2/0x1810 fs/9p/v9fs.c:408
 v9fs_mount+0xba/0xc90 fs/9p/vfs_super.c:126
 legacy_get_tree+0x105/0x220 fs/fs_context.c:610
 vfs_get_tree+0x89/0x2f0 fs/super.c:1531
 do_new_mount fs/namespace.c:3040 [inline]
 path_mount+0x1326/0x1e20 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ffa49c8b5a9
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:00007ffa4a90d168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffa49dac050 RCX: 00007ffa49c8b5a9
RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007ffa49ce67b0 R08: 0000000020002780 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffce11b55ff R14: 00007ffa4a90d300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid.cold+0x5c/0x72 lib/list_debug.c:53
Code: e8 4f d4 f0 ff 0f 0b 48 89 ee 48 c7 c7 80 a5 49 8a e8 3e d4 f0 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 40 a6 49 8a e8 2a d4 f0 ff <0f> 0b 4c 89 e9 48 89 ee 48 c7 c7 80 a7 49 8a e8 16 d4 f0 ff 0f 0b
RSP: 0018:ffffc90015a7f7d0 EFLAGS: 00010282
RAX: 000000000000004e RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff81622b98 RDI: fffff52002b4feec
RBP: ffff888017a064b0 R08: 000000000000004e R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: dead000000000122
R13: dead000000000100 R14: ffff888017a064b0 R15: ffff888017a064b8
FS:  00007ffa4a90d700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7d9ef97718 CR3: 0000000074f00000 CR4: 0000000000350ef0