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block: validate interval_exp integrity limit
authorCaleb Sander Mateos <csander@purestorage.com>
Wed, 17 Dec 2025 05:34:36 +0000 (22:34 -0700)
committerJens Axboe <axboe@kernel.dk>
Thu, 18 Dec 2025 16:51:49 +0000 (09:51 -0700)
commitaf65faf34f6e9919bdd2912770d25d2a73cbcc7c
treee61c63a111711e7ec73b2ed2fdc73916246753e6tree | snapshot
parentccb8a3c08adf8121e2afb8e704f007ce99324d79commit | diff
block: validate interval_exp integrity limit

Various code assumes that the integrity interval is at least 1 sector
and evenly divides the logical block size. Add these checks to
blk_validate_integrity_limits(). This guards against block drivers that
report invalid interval_exp values.

Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-settings.c diff | blob | blame | history
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