[PATCH 1/3] winegstreamer: Fix integer overflow in scale_uint64.
Anton Baskanov
baskanov at gmail.com
Sun Apr 25 21:51:22 CDT 2021
Signed-off-by: Anton Baskanov <baskanov at gmail.com>
---
dlls/winegstreamer/quartz_parser.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/dlls/winegstreamer/quartz_parser.c b/dlls/winegstreamer/quartz_parser.c
index 243dc9f80ba..fbc9fd32628 100644
--- a/dlls/winegstreamer/quartz_parser.c
+++ b/dlls/winegstreamer/quartz_parser.c
@@ -597,8 +597,8 @@ static uint64_t scale_uint64(uint64_t value, uint32_t numerator, uint32_t denomi
return 0;
i.QuadPart = value;
- low.QuadPart = i.u.LowPart * numerator;
- high.QuadPart = i.u.HighPart * numerator + low.u.HighPart;
+ low.QuadPart = (ULONGLONG)i.u.LowPart * numerator;
+ high.QuadPart = (ULONGLONG)i.u.HighPart * numerator + low.u.HighPart;
low.u.HighPart = 0;
if (high.u.HighPart >= denominator)
--
2.25.1
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