diff options
Diffstat (limited to 'executor/common.h')
| -rw-r--r-- | executor/common.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/executor/common.h b/executor/common.h index 81ddefd01..490595ce2 100644 --- a/executor/common.h +++ b/executor/common.h @@ -199,6 +199,7 @@ static void use_temporary_dir(void) #if GOOS_akaros || GOOS_netbsd || GOOS_freebsd || GOOS_openbsd || GOOS_test #if (SYZ_EXECUTOR || SYZ_REPEAT) && SYZ_EXECUTOR_USES_FORK_SERVER && (SYZ_EXECUTOR || SYZ_USE_TMP_DIR) #include <dirent.h> +#include <errno.h> #include <stdio.h> #include <string.h> #include <sys/stat.h> @@ -207,8 +208,19 @@ static void use_temporary_dir(void) static void remove_dir(const char* dir) { DIR* dp = opendir(dir); - if (dp == NULL) + if (dp == NULL) { + if (errno == EACCES) { + // We could end up here in a recursive call to remove_dir() below. + // One of executed syscall could end up creating a directory rooted + // in the current working directory created by loop() with zero + // permissions. Try to perform a best effort removal of the + // directory. + if (rmdir(dir)) + exitf("rmdir(%s) failed", dir); + return; + } exitf("opendir(%s) failed", dir); + } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) |