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| author | Joel Challis <git@zvecr.com> | 2020-01-25 02:57:30 +0000 |
|---|---|---|
| committer | Danny <nooges@users.noreply.github.com> | 2020-01-24 21:57:30 -0500 |
| commit | d4ccb2e0e6bd7ab976533ec2c0d62a8042bb5bc6 (patch) | |
| tree | d1b27cbdbd0db497c3c14bae62c5ca66adbe6b19 | |
| parent | 5e65af3a76252bea6556d26add3061dea4918cc2 (diff) | |
| download | qmk_firmware-d4ccb2e0e6bd7ab976533ec2c0d62a8042bb5bc6.tar.gz qmk_firmware-d4ccb2e0e6bd7ab976533ec2c0d62a8042bb5bc6.zip | |
Fix printf buffer overflow when cols>16 (#7998)
| -rw-r--r-- | tmk_core/common/chibios/printf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tmk_core/common/chibios/printf.c b/tmk_core/common/chibios/printf.c index dcf33f35f..3a81acd31 100644 --- a/tmk_core/common/chibios/printf.c +++ b/tmk_core/common/chibios/printf.c | |||
| @@ -120,7 +120,8 @@ static void putchw(void* putp, putcf putf, int n, char z, char* bf) { | |||
| 120 | } | 120 | } |
| 121 | 121 | ||
| 122 | void tfp_format(void* putp, putcf putf, char* fmt, va_list va) { | 122 | void tfp_format(void* putp, putcf putf, char* fmt, va_list va) { |
| 123 | char bf[12]; | 123 | // This used to handle max of 12, but binary support jumps this to at least 32 |
| 124 | char bf[36]; | ||
| 124 | 125 | ||
| 125 | char ch; | 126 | char ch; |
| 126 | 127 | ||