diff options
author | Philip Guenther <guenther@cvs.openbsd.org> | 2018-04-26 17:40:49 +0000 |
---|---|---|
committer | Philip Guenther <guenther@cvs.openbsd.org> | 2018-04-26 17:40:49 +0000 |
commit | 6402426ed564bb7dc412d140a261f11d72f9218f (patch) | |
tree | a95145649100e3334f960a133b46b674a48efba6 /sbin/dump | |
parent | 1da30736cca6583602637a0c845770eefb287110 (diff) |
Cast a multiplicand to ino_t to avoid overflow in 32*32=64 calculations
ok pirofti@ krw@
Diffstat (limited to 'sbin/dump')
-rw-r--r-- | sbin/dump/main.c | 4 | ||||
-rw-r--r-- | sbin/dump/traverse.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/sbin/dump/main.c b/sbin/dump/main.c index ef10ade5061..d5c85898819 100644 --- a/sbin/dump/main.c +++ b/sbin/dump/main.c @@ -1,4 +1,4 @@ -/* $OpenBSD: main.c,v 1.59 2016/08/31 21:00:31 deraadt Exp $ */ +/* $OpenBSD: main.c,v 1.60 2018/04/26 17:40:48 guenther Exp $ */ /* $NetBSD: main.c,v 1.14 1997/06/05 11:13:24 lukem Exp $ */ /*- @@ -440,7 +440,7 @@ main(int argc, char *argv[]) sblock->fs_inodefmt >= FS_44INODEFMT) spcl.c_flags |= DR_NEWINODEFMT; #endif - maxino = sblock->fs_ipg * sblock->fs_ncg; + maxino = (ino_t)sblock->fs_ipg * sblock->fs_ncg; mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE); usedinomap = calloc((unsigned) mapsize, sizeof(char)); dumpdirmap = calloc((unsigned) mapsize, sizeof(char)); diff --git a/sbin/dump/traverse.c b/sbin/dump/traverse.c index 5240d4b7ffd..6fc9eef4dd8 100644 --- a/sbin/dump/traverse.c +++ b/sbin/dump/traverse.c @@ -1,4 +1,4 @@ -/* $OpenBSD: traverse.c,v 1.38 2015/01/20 18:22:20 deraadt Exp $ */ +/* $OpenBSD: traverse.c,v 1.39 2018/04/26 17:40:48 guenther Exp $ */ /* $NetBSD: traverse.c,v 1.17 1997/06/05 11:13:27 lukem Exp $ */ /*- @@ -156,7 +156,7 @@ fs_mapinodes(ino_t maxino, int64_t *tapesize, int *anydirskipped) quit("fs_mapinodes: cannot allocate memory.\n"); for (cg = 0; cg < sblock->fs_ncg; cg++) { - ino = cg * sblock->fs_ipg; + ino = cg * (ino_t)sblock->fs_ipg; bread(fsbtodb(sblock, cgtod(sblock, cg)), (char *)cgp, sblock->fs_cgsize); if (sblock->fs_magic == FS_UFS2_MAGIC) |