audit: type=1400 audit(2000001545.417:86433): avc: denied { map } for pid=15754 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file 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 ffff8881a30bf6d0 by task syz-executor5/15784 CPU: 1 PID: 15784 Comm: syz-executor5 Not tainted 4.14.94+ #12 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:ffffea00068c2fc0 count:0 mapcount:0 mapping: (null) index:0x0 flags: 0x4000000000000000() raw: 4000000000000000 0000000000000000 0000000000000000 00000000ffffffff raw: 0000000000000000 ffffea00068c2fe0 0000000000000000 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8881a30bf580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8881a30bf600: 00 f1 f1 f1 f1 00 00 00 f2 f2 f2 00 00 00 00 f2 >ffff8881a30bf680: f2 f2 f2 00 00 00 00 00 00 00 f2 f2 f2 f2 f2 00 ^ ffff8881a30bf700: 00 00 00 00 00 00 00 00 f3 f3 f3 f3 f3 00 00 00 ffff8881a30bf780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================