summaryrefslogtreecommitdiffstats
path: root/fs/bcachefs/recovery.c
diff options
context:
space:
mode:
authorKent Overstreet <kent.overstreet@linux.dev>2024-05-19 23:08:15 +0200
committerKent Overstreet <kent.overstreet@linux.dev>2024-05-20 11:37:26 +0200
commitf108ddd467b5cad84a6d93cdd0a251ba47ceaccb (patch)
tree36562cd2ce0b1b5af3bb10bb7fbfa1202417060d /fs/bcachefs/recovery.c
parentbcachefs: Fix ref in trans_mark_dev_sbs() error path (diff)
downloadlinux-f108ddd467b5cad84a6d93cdd0a251ba47ceaccb.tar.xz
linux-f108ddd467b5cad84a6d93cdd0a251ba47ceaccb.zip
bcachefs: Fix shift overflow in btree_lost_data()
Reported-by: syzbot+29f65db1a5fe427b5c56@syzkaller.appspotmail.com Fixes: 55936afe1107 ("bcachefs: Flag btrees with missing data") Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/recovery.c')
-rw-r--r--fs/bcachefs/recovery.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index 1266916ac03f..63f990f5c63a 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -35,6 +35,9 @@
void bch2_btree_lost_data(struct bch_fs *c, enum btree_id btree)
{
+ if (btree >= BTREE_ID_NR_MAX)
+ return;
+
u64 b = BIT_ULL(btree);
if (!(c->sb.btrees_lost_data & b)) {