From: legezywzh <94814730+legezywzh@users.noreply.github.com>
Date: Sat, 20 Apr 2024 11:40:16 +0000 (+0800)
Subject: passthrough_ll: fix fd leaks in lo_destroy() (#929)
X-Git-Tag: fuse-3.17.1-rc0~130
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=285da329ea946255d727f7340944d8a555eba850;p=qemu-gpiodev%2Flibfuse.git

passthrough_ll: fix fd leaks in lo_destroy() (#929)

By virtio-fs and libfuse fuse_custom_io, passthrough_ll could be
a virtio filesystem device backend, this bug was found when doing
mount, fsstress and umount repeatedly.

Signed-off-by: Xiaoguang Wang <lege.wang@jaguarmicro.com>
Co-authored-by: Xiaoguang Wang <lege.wang@jaguarmicro.com>
---

diff --git a/example/passthrough_ll.c b/example/passthrough_ll.c
index 4a597f2..9d38a7f 100644
--- a/example/passthrough_ll.c
+++ b/example/passthrough_ll.c
@@ -190,6 +190,7 @@ static void lo_destroy(void *userdata)
 	while (lo->root.next != &lo->root) {
 		struct lo_inode* next = lo->root.next;
 		lo->root.next = next->next;
+		close(next->fd);
 		free(next);
 	}
 }