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Merge pull request #383 from dgmelski/fix-read-timed

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Fix read_timed when accumulating short reads
This commit is contained in:
Dominik Maier
2020-05-29 18:58:25 +02:00
committed by GitHub
parent 2ce243bc6e 4b01d594c4
commit 408ef5298b
3 changed files with 6 additions and 6 deletions
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8
src/afl-common.c
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@ -885,9 +885,9 @@ u32 read_timed(s32 fd, void *buf, size_t len, u32 timeout_ms,
timeout.tv_usec = (timeout_ms % 1000) * 1000;
size_t read_total = 0;
size_t len_read = 0;
ssize_t len_read = 0;
while (len_read < len) {
while (read_total < len) {
/* set exceptfds as well to return when a child exited/closed the pipe. */
int sret = select(fd + 1, &readfds, NULL, NULL, &timeout);
@ -905,8 +905,8 @@ u32 read_timed(s32 fd, void *buf, size_t len, u32 timeout_ms,
}
len_read = read(fd, ((u8 *)buf) + len_read, len - len_read);
if (!len_read) { return 0; }
len_read = read(fd, ((u8 *)buf) + read_total, len - read_total);
if (len_read <= 0) { return 0; }
read_total += len_read;
}