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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-08-21 22:57:56 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-08-22 02:07:23 -0400 |
| commit | 8ed823b19214e403ca485532f48c0e02035021ae (patch) | |
| tree | 604e2c2c97466640686e01906e559c5fb2923d1c /fs/bcachefs/alloc_background_format.h | |
| parent | bcachefs: Fix warning in bch2_fs_journal_stop() (diff) | |
| download | linux-8ed823b19214e403ca485532f48c0e02035021ae.tar.gz linux-8ed823b19214e403ca485532f48c0e02035021ae.zip | |
bcachefs: Fix compat issue with old alloc_v4 keys
we allow new fields to be added to existing key types, and new versions
should treat them as being zeroed; this was not handled in
alloc_v4_validate.
Reported-by: syzbot+3b2968fa4953885dd66a@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/alloc_background_format.h')
| -rw-r--r-- | fs/bcachefs/alloc_background_format.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/bcachefs/alloc_background_format.h b/fs/bcachefs/alloc_background_format.h index 47d9d006502c..f754a2951d8a 100644 --- a/fs/bcachefs/alloc_background_format.h +++ b/fs/bcachefs/alloc_background_format.h @@ -69,6 +69,7 @@ struct bch_alloc_v4 { __u64 io_time[2]; __u32 stripe; __u32 nr_external_backpointers; + /* end of fields in original version of alloc_v4 */ __u64 fragmentation_lru; __u32 stripe_sectors; __u32 pad; |