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authorGuenter Roeck <linux@roeck-us.net>2017-05-08 15:56:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-08 17:15:12 -0700
commitda5e108b0288d390dae40f51c09bbb30358bf7a7 (patch)
tree6275c878329439ee02c6fabb01846760737123a9
parentf2ad37da805414e9385e7ca2961e1d0431df3799 (diff)
downloadlinux-da5e108b0288d390dae40f51c09bbb30358bf7a7.tar.bz2
lib/zlib_inflate/inftrees.c: fix potential buffer overflow
smatch says: WARNING: please, no spaces at the start of a line #30: FILE: lib/zlib_inflate/inftrees.c:112: + for (min = 1; min < MAXBITS; min++)$ total: 0 errors, 1 warnings, 8 lines checked NOTE: For some of the reported defects, checkpatch may be able to mechanically convert to the typical style using --fix or --fix-inplace. ./patches/zlib-inflate-fix-potential-buffer-overflow.patch has style problems, please review. NOTE: If any of the errors are false positives, please report them to the maintainer, see CHECKPATCH in MAINTAINERS. Please run checkpatch prior to sending patches Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--lib/zlib_inflate/inftrees.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/zlib_inflate/inftrees.c b/lib/zlib_inflate/inftrees.c
index 3fe6ce5b53e5..028943052926 100644
--- a/lib/zlib_inflate/inftrees.c
+++ b/lib/zlib_inflate/inftrees.c
@@ -109,7 +109,7 @@ int zlib_inflate_table(codetype type, unsigned short *lens, unsigned codes,
*bits = 1;
return 0; /* no symbols, but wait for decoding to report error */
}
- for (min = 1; min <= MAXBITS; min++)
+ for (min = 1; min < MAXBITS; min++)
if (count[min] != 0) break;
if (root < min) root = min;