On Tue 07-12-21 15:53:54, Holger Hoffstätte wrote: > > On 2021-12-01 14:34, Jan Kara wrote: > > BFQ started crashing with 5.15-based kernels like: > > > > BUG: KASAN: use-after-free in rb_erase (lib/rbtree.c:262 lib/rbtr > > Read of size 8 at addr ffff888008193098 by task bash/1472 > [snip] > > This does not compile when CONFIG_BFQ_GROUP_IOSCHED is disabled. > I know the patch is meant for the case where it is enabled, but still.. > > block/bfq-iosched.c: In function 'bfq_init_bfqq': > block/bfq-iosched.c:5362:51: error: 'struct bfq_group' has no member named 'children' > 5362 | hlist_add_head(&bfqq->children_node, &bfqg->children); > | ^~ > make[1]: *** [scripts/Makefile.build:277: block/bfq-iosched.o] Error 1 > > Probably just needs a few more ifdefs :) Yep, already fixed that up locally. Thanks for notice. Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR
