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log.c: Fix possible truncation in buffer (#8791)

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hyatskov 2018-07-29 01:38:17 +02:00 committed by Justin M. Keyes
parent 8951304c10
commit bb33fc4f55
1 changed files with 1 additions and 1 deletions
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src/nvim/log.c
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@ -198,7 +198,7 @@ void log_callstack_to_file(FILE *log_file, const char *const func_name,
}
assert(24 + exepathlen < IOSIZE); // Must fit in `cmdbuf` below.
char cmdbuf[IOSIZE + (20 * ARRAY_SIZE(trace))];
char cmdbuf[IOSIZE + (20 * ARRAY_SIZE(trace)) + MAXPATHL];
snprintf(cmdbuf, sizeof(cmdbuf), "addr2line -e %s -f -p", exepath);
for (int i = 1; i < trace_size; i++) {
char buf[20]; // 64-bit pointer 0xNNNNNNNNNNNNNNNN with leading space.