From: Al Viro <viro@zeniv.linux.org.uk>
To: linux-fsdevel@vger.kernel.org
Cc: brauner@kernel.org, io-uring@vger.kernel.org, cgzones@googlemail.com
Subject: [PATCH 3/9] io_[gs]etxattr_prep(): just use getname()
Date: Wed, 2 Oct 2024 02:22:24 +0100 [thread overview]
Message-ID: <20241002012230.4174585-3-viro@zeniv.linux.org.uk> (raw)
In-Reply-To: <20241002012230.4174585-1-viro@zeniv.linux.org.uk>
getname_flags(pathname, LOOKUP_FOLLOW) is obviously bogus - following
trailing symlinks has no impact on how to copy the pathname from userland...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
io_uring/xattr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/io_uring/xattr.c b/io_uring/xattr.c
index 5b4594ede935..04abf0739668 100644
--- a/io_uring/xattr.c
+++ b/io_uring/xattr.c
@@ -96,7 +96,7 @@ int io_getxattr_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
path = u64_to_user_ptr(READ_ONCE(sqe->addr3));
- ix->filename = getname_flags(path, LOOKUP_FOLLOW);
+ ix->filename = getname(path);
if (IS_ERR(ix->filename)) {
ret = PTR_ERR(ix->filename);
ix->filename = NULL;
@@ -189,7 +189,7 @@ int io_setxattr_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
path = u64_to_user_ptr(READ_ONCE(sqe->addr3));
- ix->filename = getname_flags(path, LOOKUP_FOLLOW);
+ ix->filename = getname(path);
if (IS_ERR(ix->filename)) {
ret = PTR_ERR(ix->filename);
ix->filename = NULL;
--
2.39.5
next prev parent reply other threads:[~2024-10-02 1:22 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-02 1:10 [RFC][PATCHES] xattr stuff and interactions with io_uring Al Viro
2024-10-02 1:22 ` [PATCH 1/9] xattr: switch to CLASS(fd) Al Viro
2024-10-02 1:22 ` [PATCH 2/9] fs: rename struct xattr_ctx to kernel_xattr_ctx Al Viro
2024-10-02 5:56 ` Christian Brauner
2024-10-02 1:22 ` Al Viro [this message]
2024-10-02 5:57 ` [PATCH 3/9] io_[gs]etxattr_prep(): just use getname() Christian Brauner
2024-10-02 1:22 ` [PATCH 4/9] new helper: import_xattr_name() Al Viro
2024-10-02 5:57 ` Christian Brauner
2024-10-02 1:22 ` [PATCH 5/9] replace do_setxattr() with saner helpers Al Viro
2024-10-02 1:34 ` Jens Axboe
2024-10-02 2:08 ` Al Viro
2024-10-02 18:00 ` Jens Axboe
2024-10-02 21:19 ` Al Viro
2024-10-02 22:55 ` Jens Axboe
2024-10-06 5:28 ` Al Viro
2024-10-07 18:09 ` Jens Axboe
2024-10-07 18:20 ` Jens Axboe
2024-10-07 21:20 ` Al Viro
2024-10-07 22:29 ` Jens Axboe
2024-10-07 23:58 ` Al Viro
2024-10-08 1:58 ` Jens Axboe
2024-10-08 4:08 ` Al Viro
2024-10-02 1:22 ` [PATCH 6/9] replace do_getxattr() " Al Viro
2024-10-02 5:59 ` Christian Brauner
2024-10-02 1:22 ` [PATCH 7/9] new helpers: file_listxattr(), filename_listxattr() Al Viro
2024-10-02 6:00 ` Christian Brauner
2024-10-02 1:22 ` [PATCH 8/9] new helpers: file_removexattr(), filename_removexattr() Al Viro
2024-10-02 6:01 ` Christian Brauner
2024-10-02 1:22 ` [PATCH 9/9] fs/xattr: add *at family syscalls Al Viro
2024-10-02 6:03 ` Christian Brauner
2024-10-02 5:56 ` [PATCH 1/9] xattr: switch to CLASS(fd) Christian Brauner
2024-11-02 7:28 ` [RFC][PATCHES v2] xattr stuff and interactions with io_uring Al Viro
2024-11-02 7:31 ` [PATCH v2 01/13] teach filename_lookup() to treat NULL filename as "" Al Viro
2024-11-02 7:31 ` [PATCH v2 02/13] getname_maybe_null() - the third variant of pathname copy-in Al Viro
2024-11-02 7:31 ` [PATCH v2 03/13] io_uring: IORING_OP_F[GS]ETXATTR is fine with REQ_F_FIXED_FILE Al Viro
2024-11-02 7:31 ` [PATCH v2 04/13] io_[gs]etxattr_prep(): just use getname() Al Viro
2024-11-02 14:44 ` Jens Axboe
2024-11-02 7:31 ` [PATCH v2 05/13] xattr: switch to CLASS(fd) Al Viro
2024-11-02 7:31 ` [PATCH v2 06/13] fs: rename struct xattr_ctx to kernel_xattr_ctx Al Viro
2024-11-02 7:31 ` [PATCH v2 07/13] new helper: import_xattr_name() Al Viro
2024-11-02 7:31 ` [PATCH v2 08/13] replace do_setxattr() with saner helpers Al Viro
2024-11-02 7:31 ` [PATCH v2 09/13] replace do_getxattr() " Al Viro
2024-11-02 7:31 ` [PATCH v2 10/13] new helpers: file_listxattr(), filename_listxattr() Al Viro
2024-11-02 7:31 ` [PATCH v2 11/13] new helpers: file_removexattr(), filename_removexattr() Al Viro
2024-11-02 7:31 ` [PATCH v2 12/13] fs/xattr: add *at family syscalls Al Viro
2024-11-02 7:31 ` [PATCH v2 13/13] xattr: remove redundant check on variable err Al Viro
2024-11-02 14:43 ` [RFC][PATCHES v2] xattr stuff and interactions with io_uring Jens Axboe
2024-11-03 6:51 ` Al Viro
2024-11-03 13:57 ` Arnd Bergmann
2024-11-03 18:32 ` Al Viro
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