audit: type=1400 audit(1548613946.423:34): avc: denied { block_suspend } for pid=5975 comm="syz-executor1" capability=36 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=capability2 permissive=1 ================================================================== BUG: KASAN: stack-out-of-bounds in __xfrm6_daddr_saddr_hash net/xfrm/xfrm_hash.h:29 [inline] BUG: KASAN: stack-out-of-bounds in __xfrm_dst_hash net/xfrm/xfrm_hash.h:96 [inline] BUG: KASAN: stack-out-of-bounds in xfrm_dst_hash net/xfrm/xfrm_state.c:60 [inline] BUG: KASAN: stack-out-of-bounds in xfrm_state_find+0x2519/0x25a0 net/xfrm/xfrm_state.c:953 Read of size 4 at addr ffff8881a066f6d0 by task syz-executor0/5976 CPU: 1 PID: 5976 Comm: syz-executor0 Not tainted 4.14.96+ #19 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xb9/0x10e lib/dump_stack.c:53 print_address_description+0x60/0x226 mm/kasan/report.c:252 kasan_report_error mm/kasan/report.c:351 [inline] kasan_report mm/kasan/report.c:409 [inline] kasan_report.cold+0x88/0x2a5 mm/kasan/report.c:393 The buggy address belongs to the page: page:ffffea0006819bc0 count:0 mapcount:0 mapping: (null) index:0x0 flags: 0x4000000000000000() raw: 4000000000000000 0000000000000000 0000000000000000 00000000ffffffff raw: 0000000000000000 ffffea0006819be0 0000000000000000 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8881a066f580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8881a066f600: 00 f1 f1 f1 f1 00 00 00 f2 f2 f2 00 00 00 00 f2 >ffff8881a066f680: f2 f2 f2 00 00 00 00 00 00 00 f2 f2 f2 f2 f2 00 ^ ffff8881a066f700: 00 00 00 00 00 00 00 00 f3 f3 f3 f3 f3 00 00 00 ffff8881a066f780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================