Package: e2fsprogs Version: 1.42.12-1 Usertags: afl fsck.ext2 crashes when checking the attached filesystem:
$ /sbin/fsck.ext2 -n crash.ext2 e2fsck 1.42.12 (29-Aug-2014) One or more block group descriptor checksums are invalid. Fix? no Group descriptor 0 checksum is 0xa634, should be 0x6639. IGNORED. Group descriptor 0 has invalid unused inodes count 21. Fix? no crash.ext2 contains a file system with errors, check forced. Pass 1: Checking inodes, blocks, and sizes Signal (11) SIGSEGV si_code=SEGV_MAPERR fault addr=0x8663000 *** Error in `/sbin/fsck.ext2': malloc(): memory corruption: 0x086529e8 *** Aborted This bug was found using American fuzzy lop: https://packages.debian.org/experimental/afl -- System Information: Debian Release: 8.0 APT prefers unstable APT policy: (990, 'unstable'), (500, 'experimental') Architecture: i386 (x86_64) Foreign Architectures: amd64 Kernel: Linux 3.2.0-4-amd64 (SMP w/2 CPU cores) Locale: LANG=C, LC_CTYPE=pl_PL.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: sysvinit (via /sbin/init) Versions of packages e2fsprogs depends on: ii e2fslibs 1.42.12-1 ii libblkid1 2.25.2-4 ii libc6 2.19-13 ii libcomerr2 1.42.12-1 ii libss2 1.42.12-1 ii libuuid1 2.25.2-4 ii util-linux 2.25.2-4 -- Jakub Wilk
crash.ext2.gz
Description: application/gzip
