quota: Sanity-check quota file headers on load

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Perform basic sanity checks of quota headers to avoid kernel crashes on
corrupted quota files.

CC: stable@vger.kernel.org
Reported-by: syzbot+f816042a7ae2225f25ba@syzkaller.appspotmail.com
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Jan Kara <jack@suse.cz>

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Jan Kara 2020-11-02 16:16:29 +01:00

parent 10f04d40a9

commit 11c514a99b

1 changed files with 19 additions and 0 deletions

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fs/quota/quota_v2.c

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