makary/bookmarkfs
1
0
Fork 0
mirror of https://git.sr.ht/~cismonx/bookmarkfs synced 2025-06-29 05:48:52 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

fs_ops: limit xattr value length

Browse source
This commit is contained in:
CismonX 2025-01-27 23:48:37 +08:00
parent 18b801f960
commit 56fa90397d
No known key found for this signature in database
GPG key ID: 3094873E29A482FB
2 changed files with 8 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
doc/bookmarkfs.texi
View file

@ -291,6 +291,8 @@ a trailing newline is automatically removed (if one exists).
Max file size limit. Max file size limit.
Defaults to @t{32768}. Defaults to @t{32768}.
This limit also applies to extended attribute values.
@item -o no_sandbox @item -o no_sandbox
Do not enable sandboxing features (@pxref{Sandboxing}). Do not enable sandboxing features (@pxref{Sandboxing}).

7
src/fs_ops.c
View file

@ -2350,7 +2350,11 @@ fs_op_setxattr (
size_t val_len, size_t val_len,
int UNUSED_VAR(flags) int UNUSED_VAR(flags)
) { ) {
int status = -ENOATTR; int status = -ERANGE;
if (val_len > ctx.file_max) {
goto end;
}
status = -ENOATTR;
switch (INODE_SUBSYS_TYPE(ino)) { switch (INODE_SUBSYS_TYPE(ino)) {
case SUBSYS_TYPE_BOOKMARK: case SUBSYS_TYPE_BOOKMARK:
@ -2358,6 +2362,7 @@ fs_op_setxattr (
break; break;
} }
end:
send_reply(err, req, -status); send_reply(err, req, -status);
} }