[syzbot] [fs?] memory leak in path_openat (3)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 2b414a95b8f7 Merge tag 's390-7.1-5' of git://git.kernel.or..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=157e78ae580000
kernel config: https://syzkaller.appspot.com/x/.config?x=4044c5352cad3e68
dashboard link: https://syzkaller.appspot.com/bug?extid=2cd473471e77bda12b0e
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=131d98ae580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14838986580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/86194cb79270/disk-2b414a95.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/11136f1a297f/vmlinux-2b414a95.xz
kernel image: https://storage.googleapis.com/syzbot-assets/809371abba53/bzImage-2b414a95.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2cd473...@syzkaller.appspotmail.com

BUG: memory leak
unreferenced object 0xffff88810ac98000 (size 176):
comm "syz.0.19", pid 5920, jiffies 4294944647
hex dump (first 32 bytes):
00 00 00 00 1b 00 0e 04 60 7e a7 85 ff ff ff ff ........`~......
70 15 3e 06 81 88 ff ff 80 61 3c 2b 81 88 ff ff p.>......a<+....
backtrace (crc df7849cb):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4575 [inline]
slab_alloc_node mm/slub.c:4899 [inline]
kmem_cache_alloc_noprof+0x36c/0x480 mm/slub.c:4906
alloc_empty_file+0x57/0x180 fs/file_table.c:262
path_openat+0x44/0x1e20 fs/namei.c:4844
do_file_open+0x121/0x200 fs/namei.c:4887
do_sys_openat2+0xa5/0x140 fs/open.c:1364
do_sys_open fs/open.c:1370 [inline]
__do_sys_openat fs/open.c:1386 [inline]
__se_sys_openat fs/open.c:1381 [inline]
__x64_sys_openat+0x82/0xf0 fs/open.c:1381
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf8/0x610 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f

connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF


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