list_del corruption, ffff000108997198->next is LIST_POISON1 (dead000000000100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:55!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 10377 Comm: syz-executor.1 Not tainted 6.2.0-rc7-syzkaller-17907-g2d3827b3f393 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __list_del_entry_valid+0x98/0xd0 lib/list_debug.c:53
lr : __list_del_entry_valid+0x98/0xd0 lib/list_debug.c:53
sp : ffff8000141439d0
x29: ffff8000141439d0 x28: 00000000fffffe00 x27: ffff000106604e00
x26: 000000000000007c x25: ffff80000cf37bdb x24: 0000000000000002
x23: 0000000000000000 x22: 0000000000000005 x21: ffff0000fedf8c30
x20: ffff000108deb800 x19: ffff0001089970d8 x18: 000000000000b94d
x17: 6165642820314e4f x16: ffff000106605820 x15: ffff80000dbd2118
x14: ffff000106604e00 x13: 00000000ffffffff x12: 0000000000040000
x11: 000000000003a045 x10: ffff8000193fe000 x9 : 77692716ec037500
x8 : 77692716ec037500 x7 : ffff80000bf650d4 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefdef08 x1 : 0000000100000001 x0 : 000000000000004e
Call trace:
 __list_del_entry_valid+0x98/0xd0 lib/list_debug.c:53
 __list_del_entry include/linux/list.h:134 [inline]
 list_del include/linux/list.h:148 [inline]
 p9_fd_cancelled+0x60/0xc4 net/9p/trans_fd.c:733
 p9_client_flush+0x168/0x18c net/9p/client.c:609
 p9_client_rpc+0x4b8/0x55c net/9p/client.c:732
 p9_client_stat+0x6c/0x138 net/9p/client.c:1682
 v9fs_mount+0x330/0x568 fs/9p/vfs_super.c:171
 legacy_get_tree+0x30/0x74 fs/fs_context.c:610
 vfs_get_tree+0x40/0x140 fs/super.c:1489
 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3145
 path_mount+0x348/0x86c fs/namespace.c:3475
 do_mount fs/namespace.c:3488 [inline]
 __do_sys_mount fs/namespace.c:3697 [inline]
 __se_sys_mount fs/namespace.c:3674 [inline]
 __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3674
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x64/0x178 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0xbc/0x180 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x110 arch/arm64/kernel/syscall.c:193
 el0_svc+0x58/0x14c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
Code: 9001ba80 911ae000 f2fbd5a2 94a7eff7 (d4210000) 
---[ end trace 0000000000000000 ]---