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Support unaligned boot image file

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Fix #7733
This commit is contained in:
topjohnwu 2024-10-06 03:01:08 -07:00
parent 44fb7dbcbe
commit 7188de1205
1 changed files with 3 additions and 2 deletions
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5
native/src/boot/bootimg.cpp
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@ -366,7 +366,7 @@ static const char *vendor_ramdisk_type(int type) {
}
#define assert_off() \
if ((base_addr + off) > (map.buf() + map.sz())) { \
if ((base_addr + off) > (map.buf() + map_end)) { \
fprintf(stderr, "Corrupted boot image!\n"); \
return false; \
}
@ -395,6 +395,7 @@ bool boot_img::parse_image(const uint8_t *p, format_t type) {
hdr->print();
size_t map_end = align_to(map.sz(), getpagesize());
size_t off = hdr->hdr_space();
get_block(kernel);
get_block(ramdisk);
@ -408,7 +409,7 @@ bool boot_img::parse_image(const uint8_t *p, format_t type) {
payload = byte_view(base_addr, off);
auto tail_addr = base_addr + off;
tail = byte_view(tail_addr, map.buf() + map.sz() - tail_addr);
tail = byte_view(tail_addr, map.buf() + map_end - tail_addr);
if (auto size = hdr->kernel_size()) {
if (int dtb_off = find_dtb_offset(kernel, size); dtb_off > 0) {