16 lines
489 B
Diff
16 lines
489 B
Diff
Ensure optarg is incremented strictly before it is read from.
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https://skarnet.org/lists/supervision/2971.html
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--- runit-2.1.2/src/chpst.c.orig
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+++ runit-2.1.2/src/chpst.c
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@@ -308,7 +308,8 @@
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case 'n':
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switch (*optarg) {
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case '-':
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- if (optarg[scan_ulong(++optarg, &ul)]) usage(); nicelvl =ul;
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+ ++optarg;
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+ if (optarg[scan_ulong(optarg, &ul)]) usage(); nicelvl =ul;
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nicelvl *=-1;
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break;
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case '+': ++optarg;
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