The mounting option values passed in by syzbot are:
"metadata_checksum=crc64, errors=continue, obj_user={^, subj_user=obj_ur,
approve", which does not meet the "key1=value1,key2=value2,..." requirement
of the bcachefs.Reported-and-tested-by: [email protected] Closes: https://syzkaller.appspot.com/bug?extid=294f528e56138c357a48 Signed-off-by: Edward Adam Davis <[email protected]> --- V1 -> V2: adjust error messages fs/bcachefs/opts.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/bcachefs/opts.c b/fs/bcachefs/opts.c index e10fc1da71b1..78307e092075 100644 --- a/fs/bcachefs/opts.c +++ b/fs/bcachefs/opts.c @@ -472,6 +472,12 @@ int bch2_parse_one_mount_opt(struct bch_fs *c, struct bch_opts *opts, u64 v; int ret, id; + if (!val) { + pr_err("Bad mount option, value is missing but required"); + ret = -BCH_ERR_option_value; + goto out; + } + id = bch2_mount_opt_lookup(name); /* Check for the form "noopt", negation of a boolean opt: */ -- 2.43.0
