Eric Wheeler <bcache@xxxxxxxxxxxxxxxxxx> 于2023年2月3日周五 04:37写道: > > On Thu, 2 Feb 2023, Zheng Wang wrote: > > > In some specific situation, the return value of __bch_btree_node_alloc may > > be NULL. This may lead to poential NULL pointer dereference in caller > > function like a calling chaion : > > btree_split->bch_btree_node_alloc->__bch_btree_node_alloc. > > > > Fix it by initialize return value in __bch_btree_node_alloc before return. > > > > Fixes: cafe56359144 ("bcache: A block layer cache") > > Signed-off-by: Zheng Wang <zyytlz.wz@xxxxxxx> > > Be sure to add `Cc: stable@xxxxxxxxxxxxxxx` > > -Eric > Thanks for your kind reminding. Will do in the next patch. Best regards, Zheng Wang