On Mon, 18 Dec 2023 06:43:26 -0800 syzbot wrote: > __dump_stack lib/dump_stack.c:88 [inline] > dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 > print_address_description mm/kasan/report.c:364 [inline] > print_report+0xc4/0x620 mm/kasan/report.c:475 > kasan_report+0xda/0x110 mm/kasan/report.c:588 > nla_ok include/net/netlink.h:1230 [inline] > nla_find+0x120/0x130 lib/nlattr.c:746 > nla_find_nested include/net/netlink.h:1260 [inline] > ____bpf_skb_get_nlattr_nest net/core/filter.c:209 [inline] This needs nla_ok() instead of playing with nla_len directly. Will send a fix soon..
