isofs: handle large user and group ID
authorBingJing Chang <bingjingc@synology.com>
Fri, 29 Jan 2021 04:53:15 +0000 (12:53 +0800)
committerJan Kara <jack@suse.cz>
Wed, 3 Feb 2021 18:05:52 +0000 (19:05 +0100)
commita0b3cb71a1f16942eb7be7483b2568c7b0fe0231
tree97eddb543054909d8ea9cd0c2f1377f56bd7f208
parent01531ac354051667f80d23bb85bf2643ae11260a
isofs: handle large user and group ID

If uid or gid of mount options is larger than INT_MAX, isofs_fill_super
will return -EINVAL.

The problem can be encountered by a domain user or reproduced via:
mount -o loop,uid=2147483648 ubuntu-16.04.6-server-amd64.iso /mnt

This can be fixed as commit 233a01fa9c4c ("fuse: handle large user and
group ID").

Link: https://lore.kernel.org/r/20210129045315.10375-1-bingjingc@synology.com
Reviewed-by: Robbie Ko <robbieko@synology.com>
Reviewed-by: Chung-Chiang Cheng <cccheng@synology.com>
Signed-off-by: BingJing Chang <bingjingc@synology.com>
Signed-off-by: Jan Kara <jack@suse.cz>
fs/isofs/inode.c