diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-03-27 14:53:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-03-27 14:53:56 -0700 |
| commit | 4076fa161217fcd64a578ca04586c4be728cb004 (patch) | |
| tree | efa2328b2c585f4e690ffd6b01dcf3a2ae37d520 /fs/9p/vfs_inode.c | |
| parent | 400dd456bda8be0b566f2690c51609ea02f85766 (diff) | |
| parent | 6630036b7c228f57c7893ee0403e92c2db2cd21d (diff) | |
Merge tag '9p-fixes-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
Pull 9p fixes from Eric Van Hensbergen:
"Two of these fix syzbot reported issues, and the other fixes a unused
variable in some configurations"
* tag '9p-fixes-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
fs/9p: fix uninitialized values during inode evict
fs/9p: remove redundant pointer v9ses
fs/9p: fix uaf in in v9fs_stat2inode_dotl
Diffstat (limited to 'fs/9p/vfs_inode.c')
| -rw-r--r-- | fs/9p/vfs_inode.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 360a5304ec03..b01b1bbf2493 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -344,17 +344,21 @@ void v9fs_evict_inode(struct inode *inode) struct v9fs_inode __maybe_unused *v9inode = V9FS_I(inode); __le32 __maybe_unused version; - truncate_inode_pages_final(&inode->i_data); + if (!is_bad_inode(inode)) { + truncate_inode_pages_final(&inode->i_data); - version = cpu_to_le32(v9inode->qid.version); - netfs_clear_inode_writeback(inode, &version); + version = cpu_to_le32(v9inode->qid.version); + netfs_clear_inode_writeback(inode, &version); - clear_inode(inode); - filemap_fdatawrite(&inode->i_data); + clear_inode(inode); + filemap_fdatawrite(&inode->i_data); #ifdef CONFIG_9P_FSCACHE - fscache_relinquish_cookie(v9fs_inode_cookie(v9inode), false); + if (v9fs_inode_cookie(v9inode)) + fscache_relinquish_cookie(v9fs_inode_cookie(v9inode), false); #endif + } else + clear_inode(inode); } struct inode *v9fs_fid_iget(struct super_block *sb, struct p9_fid *fid) |