thebestvibedev/tromcho.net
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Verify checksums during journal reads

Browse Source
This commit is contained in:
Vitaliy Filippov
2023-07-29 12:17:18 +03:00
parent a166147110
commit 213a9ccb4d
10 changed files with 295 additions and 195 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/blockstore_init.cpp
+3 -2
View File
@@ -137,7 +137,7 @@ resume_1:
hdr->header_csum = 0;
if (crc32c(0, hdr, sizeof(*hdr)) != csum)
{
printf("Metadata header is corrupt (CRC mismatch).\n");
printf("Metadata header is corrupt (checksum mismatch).\n");
exit(1);
}
hdr->header_csum = csum;
@@ -153,6 +153,7 @@ resume_1:
bs->dsk.meta_len = (1 + (bs->dsk.block_count - 1 + bs->dsk.meta_block_size / bs->dsk.clean_entry_size)
/ (bs->dsk.meta_block_size / bs->dsk.clean_entry_size)) * bs->dsk.meta_block_size;
bs->dsk.meta_version = BLOCKSTORE_META_VERSION_V1;
printf("Warning: Starting with metadata in the old format without checksums, as stored on disk\n");
}
else if (hdr->version > BLOCKSTORE_META_VERSION_V2)
{
@@ -829,7 +830,7 @@ int blockstore_init_journal::handle_journal_part(void *buf, uint64_t done_pos, u
printf("Journal entry data is corrupt (data crc32 %x != %x)\n", data_crc32, je->small_write.crc32_data);
}
}
else
else if (je->small_write.len > 0)
{
uint32_t *block_csums = (uint32_t*)((uint8_t*)je + sizeof(journal_entry_small_write) + bs->dsk.clean_entry_bitmap_size);
uint32_t start = je->small_write.offset / bs->dsk.csum_block_size;