executor: move syz_mount_image's sanity checks to syz-fuzzer

It will simplify the C code and let us extract the raw images in a more
convenient way.

1 files changed, 0 insertions, 23 deletions

diff --git a/executor/common_linux.h b/executor/common_linux.h
index d3f4b6ea1..e5587d1c7 100644
--- a/executor/common_linux.h
+++ b/executor/common_linux.h
@@ -2872,27 +2872,6 @@ struct fs_image_segment {
 	uintptr_t offset;
 };
 
-#define IMAGE_MAX_SEGMENTS 4096
-#define IMAGE_MAX_SIZE (129 << 20)
-
-static unsigned long fs_image_segment_check(unsigned long size, unsigned long nsegs, struct fs_image_segment* segs)
-{
-	if (nsegs > IMAGE_MAX_SEGMENTS)
-		nsegs = IMAGE_MAX_SEGMENTS;
-	for (size_t i = 0; i < nsegs; i++) {
-		if (segs[i].size > IMAGE_MAX_SIZE)
-			segs[i].size = IMAGE_MAX_SIZE;
-		segs[i].offset %= IMAGE_MAX_SIZE;
-		if (segs[i].offset > IMAGE_MAX_SIZE - segs[i].size)
-			segs[i].offset = IMAGE_MAX_SIZE - segs[i].size;
-		if (size < segs[i].offset + segs[i].offset)
-			size = segs[i].offset + segs[i].offset;
-	}
-	if (size > IMAGE_MAX_SIZE)
-		size = IMAGE_MAX_SIZE;
-	return size;
-}
-
 // Setup the loop device needed for mounting a filesystem image. Takes care of
 // creating and initializing the underlying file backing the loop device and
 // returns the fds to the file and device.
@@ -2900,8 +2879,6 @@ static unsigned long fs_image_segment_check(unsigned long size, unsigned long ns
 static int setup_loop_device(long unsigned size, long unsigned nsegs, struct fs_image_segment* segs, const char* loopname, int* memfd_p, int* loopfd_p)
 {
 	int err = 0, loopfd = -1;
-
-	size = fs_image_segment_check(size, nsegs, segs);
 	int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
 	if (memfd == -1) {
 		err = errno;