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 :)
cheers
Holger
