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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-24 16:17:26 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-24 16:17:26 +0200 |
| commit | b62ed4c93ad71374b54d2c3a72cbc67b506f580c (patch) | |
| tree | 6ca6ab974bbce902fc9de300fea6aa056170850f /fs/namei.c | |
| parent | 5895db67c12464003afd16c08049b73aa09e58ea (diff) | |
| parent | 221fc2f4d0eda59d02af2e751a9282fa013a8e97 (diff) | |
Merge v6.18.40linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/namei.c')
| -rw-r--r-- | fs/namei.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/namei.c b/fs/namei.c index 7377020a2cba..003c9a1b2f90 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -4011,6 +4011,10 @@ int vfs_tmpfile(struct mnt_idmap *idmap, int error; int open_flag = file->f_flags; + /* A tmpfile is I_LINKABLE, so guard its owner like may_o_create(). */ + if (!fsuidgid_has_mapping(dir->i_sb, idmap)) + return -EOVERFLOW; + /* we want directory to be writable */ error = inode_permission(idmap, dir, MAY_WRITE | MAY_EXEC); if (error) |