audit: type=1400 audit(2000000183.900:67458): avc:  denied  { map } for  pid=3483 comm="modprobe" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
audit: type=1400 audit(2000000183.910:67459): avc:  denied  { map } for  pid=3483 comm="modprobe" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 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 ffff8881ca7d76d0 by task syz-executor2/3500

CPU: 1 PID: 3500 Comm: syz-executor2 Not tainted 4.14.95+ #15
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x10e lib/dump_stack.c:53
audit: type=1400 audit(2000000183.980:67460): avc:  denied  { map } for  pid=3485 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
 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:ffffea000729f5c0 count:0 mapcount:0 mapping:          (null) index:0x0
flags: 0x4000000000000000()
raw: 4000000000000000 0000000000000000 0000000000000000 00000000ffffffff
raw: 0000000000000000 0000000100000001 0000000000000000 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8881ca7d7580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8881ca7d7600: 00 f1 f1 f1 f1 00 00 00 f2 f2 f2 00 00 00 00 f2
>ffff8881ca7d7680: f2 f2 f2 00 00 00 00 00 00 00 f2 f2 f2 f2 f2 00
                                                 ^
 ffff8881ca7d7700: 00 00 00 00 00 00 00 00 f3 f3 f3 f3 f3 00 00 00
 ffff8881ca7d7780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================