The Samba-Bugzilla – Attachment 13154 Details for
Bug 12746
possible negative array access in debug_backends_log
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[patch]
patch to avoid negative array access
samba-fix-oob-debug_backends_log.diff (text/plain), 419 bytes, created by
Hanno Böck
on 2017-04-15 20:27:52 UTC
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Description:
patch to avoid negative array access
Filename:
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Creator:
Hanno Böck
Created:
2017-04-15 20:27:52 UTC
Size:
419 bytes
patch
obsolete
>diff -Naurp a/lib/util/debug.c b/lib/util/debug.c >--- a/lib/util/debug.c 2017-01-11 08:55:14.000000000 +0100 >+++ b/lib/util/debug.c 2017-04-15 18:39:21.939188030 +0200 >@@ -397,7 +397,7 @@ static void debug_backends_log(const cha > * a buffer without the newline character. > */ > len = MIN(strlen(msg), FORMAT_BUFR_SIZE - 1); >- if (msg[len - 1] == '\n') { >+ if ((len > 0) && (msg[len - 1] == '\n')) { > len--; > } >
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