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| author | Denys Vlasenko | 2018-11-28 12:16:29 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2018-11-28 12:16:29 +0100 |
| commit | 75a1c87357070ec0229f1c98d887bc1c526bb81c (patch) | |
| tree | 6305a19d436c673cd0a34e1e149c4fea00f23d11 | |
| parent | 572dfb8e78323b9837f7c5e3369ee233a440b8f2 (diff) | |
| download | busybox-75a1c87357070ec0229f1c98d887bc1c526bb81c.zip busybox-75a1c87357070ec0229f1c98d887bc1c526bb81c.tar.gz | |
awk: abort if NF set to negative value
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | editors/awk.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/editors/awk.c b/editors/awk.c index bafc9ba..af103e3 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -1849,6 +1849,8 @@ static void handle_special(var *v) if (v == intvar[NF]) { n = (int)getvar_i(v); + if (n < 0) + syntax_error("NF set to negative value"); fsrealloc(n); /* recalculate $0 */ |