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fix out-of-bounds read (for debug_link)

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Pinmatrix should always be null-terminated for debug-link.
The memset overwrote the terminating nul character.
This commit is contained in:
Jochen Hoenicke 2018-03-23 17:19:30 +01:00 committed by Pavol Rusnak
parent c4e1c5953e
commit a7158f39a5
1 changed files with 1 additions and 1 deletions
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2
firmware/pinmatrix.c
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@ -69,7 +69,7 @@ void pinmatrix_done(char *pin)
} }
i++; i++;
} }
memset(pinmatrix_perm, 'X', sizeof(pinmatrix_perm)); memset(pinmatrix_perm, 'X', sizeof(pinmatrix_perm) - 1);
} }
#if DEBUG_LINK #if DEBUG_LINK