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(parent: 382a228) | patch
udf: Limit sparing table size
authorJan Kara <jack@suse.cz>
Fri, 25 Sep 2020 12:53:08 +0000 (14:53 +0200)
committerJan Kara <jack@suse.cz>
Tue, 29 Sep 2020 15:21:54 +0000 (17:21 +0200)
commit44ac6b829c4e173fdf6df18e6dd86aecf9a3dc99
tree5711c4004045db65ec3e194c3c462b0d02daedfftree | snapshot
parent382a2287bf9cd283206764572f66ab12657218aacommit | diff
udf: Limit sparing table size

Although UDF standard allows it, we don't support sparing table larger
than a single block. Check it during mount so that we don't try to
access memory beyond end of buffer.

Reported-by: syzbot+9991561e714f597095da@syzkaller.appspotmail.com
Signed-off-by: Jan Kara <jack@suse.cz>
fs/udf/super.c diff | blob | history
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