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Kernel: Fix integer overflow in KCOV_SETBUFSIZE ioctl

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Patrick Meyer 2021-07-26 21:44:49 +02:00 • committed by Andreas Kling
parent 4857943a71
commit d5fdb97a81
2 changed files with 4 additions and 0 deletions
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Kernel/Devices/KCOVInstance.h
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@ -14,6 +14,7 @@ namespace Kernel {
// Note: These need to be kept in sync with Userland/Libraries/LibC/sys/kcov.h
typedef volatile u64 kcov_pc_t;
#define KCOV_ENTRY_SIZE sizeof(kcov_pc_t)
#define KCOV_MAX_ENTRIES (10 * 1024 * 1024)
/*
* One KCOVInstance is allocated per process, when the process opens /dev/kcov