Hi, We found an issue under Android OTA scenario that many readahead BIOs have to do FEC and caused system stuck. These 2 patches try to fix this issue. Thanks Changes from v1: 1. Modify patch1 as Eric suggested 2. Add "Fixes" and "Cc stable" tags Wu Bo (2): dm verity: init fec io before cleaning it dm verity: don't verity if readahead failed drivers/md/dm-verity-target.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) -- 2.25.1