linux/fs/bcachefs/sb-downgrade.c
Jeongjun Park a25a83de45 bcachefs: fix null-ptr-deref in have_stripes()
c->btree_roots_known[i].b can be NULL. In this case, a NULL pointer dereference
occurs, so you need to add code to check the variable.

Reported-by: syzbot+b468b9fef56949c3b528@syzkaller.appspotmail.com
Fixes: 7773df19c3 ("bcachefs: metadata version bucket_stripe_sectors")
Signed-off-by: Jeongjun Park <aha310510@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-10-25 13:17:06 -04:00

416 lines
13 KiB