Author: delphij Date: Tue Apr 28 05:10:34 2020 New Revision: 360428 URL: https://svnweb.freebsd.org/changeset/base/360428
Log: Do not overflow when calculating file system size. Reported by: Hyeongseok Kim <hyeongseok kim lge com> Reviewed by: cem, Hyeongseok Kim MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D24603 Modified: head/sbin/fsck_msdosfs/check.c Modified: head/sbin/fsck_msdosfs/check.c ============================================================================== --- head/sbin/fsck_msdosfs/check.c Tue Apr 28 03:43:55 2020 (r360427) +++ head/sbin/fsck_msdosfs/check.c Tue Apr 28 05:10:34 2020 (r360428) @@ -54,6 +54,8 @@ checkfilesys(const char *fname) int finish_dosdirsection=0; int mod = 0; int ret = 8; + int64_t freebytes; + int64_t badbytes; rdonly = alwaysno; if (!preen) @@ -129,37 +131,33 @@ checkfilesys(const char *fname) mod |= FSERROR; } + freebytes = (int64_t)boot.NumFree * boot.ClusterSize; + badbytes = (int64_t)boot.NumBad * boot.ClusterSize; + #ifdef HAVE_LIBUTIL_H char freestr[7], badstr[7]; - int64_t freebytes = boot.NumFree * boot.ClusterSize; humanize_number(freestr, sizeof(freestr), freebytes, "", HN_AUTOSCALE, HN_DECIMAL | HN_IEC_PREFIXES); if (boot.NumBad) { - int64_t badbytes = boot.NumBad * boot.ClusterSize; - humanize_number(badstr, sizeof(badstr), badbytes, "", HN_AUTOSCALE, HN_B | HN_DECIMAL | HN_IEC_PREFIXES); pwarn("%d files, %sB free (%d clusters), %sB bad (%d clusters)\n", - boot.NumFiles, - freestr, boot.NumFree, + boot.NumFiles, freestr, boot.NumFree, badstr, boot.NumBad); } else { pwarn("%d files, %sB free (%d clusters)\n", - boot.NumFiles, - freestr, boot.NumFree); + boot.NumFiles, freestr, boot.NumFree); } #else if (boot.NumBad) - pwarn("%d files, %d KiB free (%d clusters), %d KiB bad (%d clusters)\n", - boot.NumFiles, - boot.NumFree * boot.ClusterSize / 1024, boot.NumFree, - boot.NumBad * boot.ClusterSize / 1024, boot.NumBad); + pwarn("%d files, %jd KiB free (%d clusters), %jd KiB bad (%d clusters)\n", + boot.NumFiles, (intmax_t)freebytes / 1024, boot.NumFree, + (intmax_t)badbytes / 1024, boot.NumBad); else - pwarn("%d files, %d KiB free (%d clusters)\n", - boot.NumFiles, - boot.NumFree * boot.ClusterSize / 1024, boot.NumFree); + pwarn("%d files, %jd KiB free (%d clusters)\n", + boot.NumFiles, (intmax_t)freebytes / 1024, boot.NumFree); #endif if (mod && (mod & FSERROR) == 0) { _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
