Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'ovl-fixes-6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs fixes from Miklos Szeredi:
"Fix two bugs, a recent one introduced in the last cycle, and an older
one from v5.11"
* tag 'ovl-fixes-6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: fail on invalid uid/gid mapping at copy up
ovl: fix tmpfile leak
+5
-1
+5
-1
fs/overlayfs/copy_up.c
+5
-1
fs/overlayfs/copy_up.c
···
792
792
if (!c->metacopy && c->stat.size) {
793
793
err = ovl_copy_up_file(ofs, c->dentry, tmpfile, c->stat.size);
794
794
if (err)
795
-
return err;
795
+
goto out_fput;
796
796
}
797
797
798
798
err = ovl_copy_up_metadata(c, temp);
···
1010
1010
STATX_BASIC_STATS, AT_STATX_SYNC_AS_STAT);
1011
1011
if (err)
1012
1012
return err;
1013
+
1014
+
if (!kuid_has_mapping(current_user_ns(), ctx.stat.uid) ||
1015
+
!kgid_has_mapping(current_user_ns(), ctx.stat.gid))
1016
+
return -EOVERFLOW;
1013
1017
1014
1018
ctx.metacopy = ovl_need_meta_copy_up(dentry, ctx.stat.mode, flags);
1015
1019