30 lines
916 B
Diff
30 lines
916 B
Diff
From: Heinrich Schuchardt <xypron.glpk@gmx.de>
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Date: Fri Nov 15 17:55:34 2024 +0100
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Subject: plannif_scanf: avoid underflow
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Patch-mainline: Not yet
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Git-repo: https://git.code.sf.net/p/sispmctl/git
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Git-commit: fb9ba6c7afba5220a4e838e487a643406c373f86
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References:
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Avoid unexpected socket number when reading a schedule.
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Addresses-Coverity-ID: 512015 Unintended sign extension
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Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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Signed-off-by: Egbert Eich <eich@suse.de>
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---
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src/sispm_ctl.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/src/sispm_ctl.c b/src/sispm_ctl.c
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index c594adc..8da24b8 100644
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--- a/src/sispm_ctl.c
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+++ b/src/sispm_ctl.c
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@@ -332,6 +332,8 @@ void plannif_scanf(struct plannif *plan, const unsigned char *buffer)
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int actionNo = 1;
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READNEXTBYTE;
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+ if (!nextWord)
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+ nextWord = 1;
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plan->socket = (nextWord - 1) / 3;
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READNEXTDOUBLEWORD;
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plan->timeStamp = nextWord;
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