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From: Akihiko Odaki <akihiko.odaki@gmail.com>
Cc: Christian Schoenebeck <qemu_oss@crudebyte.com>,
	qemu-devel@nongnu.org, Akihiko Odaki <akihiko.odaki@gmail.com>,
	Greg Kurz <groug@kaod.org>
Subject: [PATCH] 9pfs: local: Do not follow symlink in _nofollow
Date: Wed, 27 Apr 2022 11:45:45 +0900	[thread overview]
Message-ID: <20220427024545.18298-1-akihiko.odaki@gmail.com> (raw)

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
---
 hw/9pfs/9p-local.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c
index d42ce6d8b82..def8afdb4d6 100644
--- a/hw/9pfs/9p-local.c
+++ b/hw/9pfs/9p-local.c
@@ -365,7 +365,7 @@ static int fchmodat_nofollow(int dirfd, const char *name, mode_t mode)
     if (fd == -1) {
         /* In case the file is writable-only and isn't a directory. */
         if (errno == EACCES) {
-            fd = openat_file(dirfd, name, O_WRONLY, 0);
+            fd = openat_file(dirfd, name, O_WRONLY | O_NOFOLLOW, 0);
         }
         if (fd == -1 && errno == EISDIR) {
             errno = EACCES;
-- 
2.32.0 (Apple Git-132)



             reply	other threads:[~2022-04-27  2:46 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-27  2:45 Akihiko Odaki [this message]
2022-04-27  8:46 ` [PATCH] 9pfs: local: Do not follow symlink in _nofollow Christian Schoenebeck
2022-04-27 10:21   ` Greg Kurz
2022-04-27 11:18     ` Christian Schoenebeck

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