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librc: fix potential buffer overflow in pid_is_argv

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This fixes #299.
This commit is contained in:
William Hubbs 2019-02-23 17:25:16 -06:00
parent d8dbb890aa
commit 028da5c2e3
1 changed files with 1 additions and 1 deletions
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src/librc/librc-daemon.c
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@ -59,7 +59,7 @@ pid_is_argv(pid_t pid, const char *const *argv)
free(cmdline); free(cmdline);
return false; return false;
} }
bytes = read(fd, buffer, sizeof(buffer)); bytes = read(fd, buffer, sizeof(buffer) - 1);
close(fd); close(fd);
free(cmdline); free(cmdline);
if (bytes == -1) if (bytes == -1)