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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-05-09 21:57:23 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-05-09 21:57:23 +0000 |
| commit | 389f9d52d5520dea157fab474caacf3d8b1bde73 (patch) | |
| tree | da613930899b3c3c5347e2cef0e9050c486dce36 /editors | |
| parent | 57bf668d118804060cee998408bdfbfb5512e670 (diff) | |
| download | busybox-389f9d52d5520dea157fab474caacf3d8b1bde73.tar.gz | |
awk: don't segfault on printf(%*s). Close 1337.
Diffstat (limited to 'editors')
| -rw-r--r-- | editors/awk.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/editors/awk.c b/editors/awk.c index bc9e99a6f..2e67f67fb 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -1756,8 +1756,11 @@ static char *awk_printf(node *n) s = f; while (*f && (*f != '%' || *(++f) == '%')) f++; - while (*f && !isalpha(*f)) + while (*f && !isalpha(*f)) { + if (*f == '*') + syntax_error("%*x formats are not supported"); f++; + } incr = (f - s) + MAXVARFMT; qrealloc(&b, incr + i, &bsize); |