29 lines
855 B
Diff
29 lines
855 B
Diff
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From 718e38d5faf3a3ca23690d2f4203df1df65eba77 Mon Sep 17 00:00:00 2001
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From: Zdenek Kabelac <zkabelac@redhat.com>
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Date: Thu, 18 Aug 2022 13:56:03 +0200
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Subject: [PATCH] dmsetup: check also for ouf of range value
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Check errno result from strtoull().
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---
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libdm/dm-tools/dmsetup.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/libdm/dm-tools/dmsetup.c b/libdm/dm-tools/dmsetup.c
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index 8502d9adc170..42eeead68f4d 100644
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--- a/libdm/dm-tools/dmsetup.c
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+++ b/libdm/dm-tools/dmsetup.c
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@@ -5106,8 +5106,9 @@ static int _size_from_string(char *argptr, uint64_t *size, const char *name)
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if (!argptr)
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return_0;
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+ errno = 0;
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*size = strtoull(argptr, &endptr, 10);
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- if (endptr == argptr) {
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+ if (errno || endptr == argptr) {
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*size = 0;
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log_error("Invalid %s argument: \"%s\"",
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name, (*argptr) ? argptr : "");
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--
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2.26.2
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