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libblkid: befs: fix underflow
authorMilan Broz <gmazyland@gmail.com>
Sat, 19 Apr 2025 13:54:40 +0000 (15:54 +0200)
committerMilan Broz <gmazyland@gmail.com>
Sat, 19 Apr 2025 13:57:09 +0000 (15:57 +0200)
commit588eed1a1de13150750e8a50d855001b27e07357
tree72fb399e2433d5900b1f341d89428a35c62497d5tree
parent75c7b312bf6c046c64095988e5331eaabd1220dfcommit | diff
libblkid: befs: fix underflow

Fix segfault caused by underflow while parsing a corrupted metadata.

Found by OSS-Fuzz by cryptsetup project fuzzers (issue 411003898).

Signed-off-by: Milan Broz <gmazyland@gmail.com>
libblkid/src/superblocks/befs.c diff | blob | blame | history
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