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-rw-r--r--check/mode-lowmem.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/check/mode-lowmem.c b/check/mode-lowmem.c
index 663cee11..dac3201b 100644
--- a/check/mode-lowmem.c
+++ b/check/mode-lowmem.c
@@ -1417,6 +1417,8 @@ static int check_file_extent(struct btrfs_root *root, struct btrfs_key *fkey,
u64 csum_found; /* In byte size, sectorsize aligned */
u64 search_start; /* Logical range start we search for csum */
u64 search_len; /* Logical range len we search for csum */
+ u32 max_inline_extent_size = min_t(u32, root->fs_info->sectorsize - 1,
+ BTRFS_MAX_INLINE_DATA_SIZE(root->fs_info));
unsigned int extent_type;
unsigned int is_hole;
int compressed = 0;
@@ -1440,6 +1442,32 @@ static int check_file_extent(struct btrfs_root *root, struct btrfs_key *fkey,
root->objectid, fkey->objectid, fkey->offset);
err |= FILE_EXTENT_ERROR;
}
+ if (compressed) {
+ if (extent_num_bytes > root->fs_info->sectorsize) {
+ error(
+"root %llu EXTENT_DATA[%llu %llu] too large inline extent ram size, have %llu, max: %u",
+ root->objectid, fkey->objectid,
+ fkey->offset, extent_num_bytes,
+ root->fs_info->sectorsize - 1);
+ err |= FILE_EXTENT_ERROR;
+ }
+ if (item_inline_len > max_inline_extent_size) {
+ error(
+"root %llu EXTENT_DATA[%llu %llu] too large inline extent on-disk size, have %u, max: %u",
+ root->objectid, fkey->objectid,
+ fkey->offset, item_inline_len,
+ max_inline_extent_size);
+ err |= FILE_EXTENT_ERROR;
+ }
+ } else {
+ if (extent_num_bytes > max_inline_extent_size) {
+ error(
+ "root %llu EXTENT_DATA[%llu %llu] too large inline extent size, have %llu, max: %u",
+ root->objectid, fkey->objectid, fkey->offset,
+ extent_num_bytes, max_inline_extent_size);
+ err |= FILE_EXTENT_ERROR;
+ }
+ }
if (!compressed && extent_num_bytes != item_inline_len) {
error(
"root %llu EXTENT_DATA[%llu %llu] wrong inline size, have: %llu, expected: %u",