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These were found by the Undefined Behaviour GsoC project at NetBSD: Do not change signedness bit with left shift. While there avoid signed integer overflow. Address both issues with using unsigned type. msdosfs_fat.c:512:42, left shift of 1 by 31 places cannot be represented in type 'int' msdosfs_fat.c:521:44, left shift of 1 by 31 places cannot be represented in type 'int' msdosfs_fat.c:744:14, left shift of 1 by 31 places cannot be represented in type 'int' msdosfs_fat.c:744:24, signed integer overflow: -2147483648 - 1 cannot be represented in type 'int [20]' msdosfs_fat.c:840:13, left shift of 1 by 31 places cannot be represented in type 'int' msdosfs_fat.c:840:36, signed integer overflow: -2147483648 - 1 cannot be represented in type 'int [20]' Detected with micro-UBSan in the user mode. Hinted from: NetBSD (CVS 1.33) MFC after: 2 weeks Differenctial Revision: https://reviews.freebsd.org/D16615 |
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| .. | ||
| bootsect.h | ||
| bpb.h | ||
| denode.h | ||
| direntry.h | ||
| fat.h | ||
| msdosfs_conv.c | ||
| msdosfs_denode.c | ||
| msdosfs_fat.c | ||
| msdosfs_iconv.c | ||
| msdosfs_lookup.c | ||
| msdosfs_vfsops.c | ||
| msdosfs_vnops.c | ||
| msdosfsmount.h | ||