random: sshd: uninitialized urandom read (32 bytes read)
random: crng init done
==================================================================
BUG: KASAN: stack-out-of-bounds in __xfrm6_daddr_saddr_hash net/xfrm/xfrm_hash.h:28 [inline]
BUG: KASAN: stack-out-of-bounds in __xfrm_dst_hash net/xfrm/xfrm_hash.h:95 [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+0x2643/0x26b0 net/xfrm/xfrm_state.c:806
Read of size 4 at addr ffff8801bf627650 by task syz-executor141/2235

CPU: 0 PID: 2235 Comm: syz-executor141 Not tainted 4.9.124+ #84
 ffff8801bf626cc8 ffffffff81af4529 ffffea0006fd89c0 ffff8801bf627650
 0000000000000000 ffff8801bf627650 ffff8801c2a38ff0 ffff8801bf626d00
 ffffffff814f31c5 ffff8801bf627650 0000000000000004 0000000000000000
Call Trace:
 [<ffffffff81af4529>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81af4529>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff814f31c5>] print_address_description+0x6c/0x234 mm/kasan/report.c:256
 [<ffffffff814f35cf>] kasan_report_error mm/kasan/report.c:355 [inline]
 [<ffffffff814f35cf>] kasan_report.cold.6+0x242/0x2fe mm/kasan/report.c:412
 [<ffffffff814e5c84>] __asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:432
 [<ffffffff825d00a3>] __xfrm6_daddr_saddr_hash net/xfrm/xfrm_hash.h:28 [inline]
 [<ffffffff825d00a3>] __xfrm_dst_hash net/xfrm/xfrm_hash.h:95 [inline]
 [<ffffffff825d00a3>] xfrm_dst_hash net/xfrm/xfrm_state.c:60 [inline]
 [<ffffffff825d00a3>] xfrm_state_find+0x2643/0x26b0 net/xfrm/xfrm_state.c:806
 [<ffffffff825b6922>] xfrm_tmpl_resolve_one+0x1d2/0x7a0 net/xfrm/xfrm_policy.c:1483
 [<ffffffff825b7103>] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:1527 [inline]
 [<ffffffff825b7103>] xfrm_resolve_and_create_bundle+0x213/0x1d80 net/xfrm/xfrm_policy.c:1875
 [<ffffffff825ba0a8>] xfrm_lookup+0x238/0xb70 net/xfrm/xfrm_policy.c:2229
 [<ffffffff825bb879>] xfrm_lookup_route+0x39/0x130 net/xfrm/xfrm_policy.c:2351
 [<ffffffff82407500>] ip_route_output_flow+0x90/0xa0 net/ipv4/route.c:2448
 [<ffffffff824e718d>] udp_sendmsg+0x13cd/0x1c50 net/ipv4/udp.c:1025
 [<ffffffff8267e25d>] udpv6_sendmsg+0x127d/0x2430 net/ipv6/udp.c:1086
 [<ffffffff82510743>] inet_sendmsg+0x203/0x4d0 net/ipv4/af_inet.c:770
 [<ffffffff82222fbb>] sock_sendmsg_nosec net/socket.c:648 [inline]
 [<ffffffff82222fbb>] sock_sendmsg+0xbb/0x110 net/socket.c:658
 [<ffffffff822249fa>] ___sys_sendmsg+0x47a/0x840 net/socket.c:1982
 [<ffffffff82227f01>] __sys_sendmmsg+0x161/0x3d0 net/socket.c:2072
 [<ffffffff822281a5>] SYSC_sendmmsg net/socket.c:2103 [inline]
 [<ffffffff822281a5>] SyS_sendmmsg+0x35/0x60 net/socket.c:2098
 [<ffffffff8100554f>] do_syscall_64+0x19f/0x480 arch/x86/entry/common.c:282
 [<ffffffff8278ba53>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb

The buggy address belongs to the page:
page:ffffea0006fd89c0 count:0 mapcount:0 mapping:          (null) index:0x0
flags: 0x4000000000000000()
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8801bf627500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1
 ffff8801bf627580: f1 f1 f1 00 f2 f2 f2 f2 f2 f2 f2 00 00 00 00 f2
>ffff8801bf627600: f2 f2 f2 00 00 00 00 00 00 00 f2 f2 f2 f2 f2 00
                                                 ^
 ffff8801bf627680: 00 00 00 00 00 00 00 00 f2 f2 f2 00 00 00 00 00
 ffff8801bf627700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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