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diskcache: Size the buffers for MAX_LOG_SECTOR_SIZE

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Because if we get a logical sector size > min sector size
we'll trigger buffer overflows.

Change-Id: Ibd24f91a0f8601fbd8c5a5dfeef4ebe5c081f664
This commit is contained in:
Solomon Peachy 2024-11-04 07:22:49 -05:00
parent e29ddfb6be
commit f58fad943e
2 changed files with 13 additions and 10 deletions
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4
firmware/common/disk.c
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@ -173,7 +173,7 @@ bool disk_init(IF_MD_NONVOID(int drive))
disk_writer_unlock();
#ifdef MAX_LOG_SECTOR_SIZE
if (info->sector_size > MAX_LOG_SECTOR_SIZE) {
if (info->sector_size > MAX_LOG_SECTOR_SIZE || info->sector_size > DC_CACHE_BUFSIZE) {
panicf("Unsupported logical sector size: %d",
info->sector_size);
}
@ -185,7 +185,7 @@ bool disk_init(IF_MD_NONVOID(int drive))
#endif
#endif /* CONFIG_STORAGE & STORAGE_ATA */
memset(sector, 0, LOG_SECTOR_SIZE(drive));
memset(sector, 0, DC_CACHE_BUFSIZE);
storage_read_sectors(IF_MD(drive,) 0, 1, sector);
bool init = false;