random: sshd: uninitialized urandom read (32 bytes read, 120 bits of entropy available) random: sshd: uninitialized urandom read (32 bytes read, 125 bits of entropy available) IPVS: Creating netns size=2552 id=1 ================================================================== BUG: KASAN: stack-out-of-bounds in xfrm_state_find+0x1291/0x2550 net/xfrm/xfrm_state.c:799 Read of size 4 at addr ffff8801c6e276c0 by task syz-executor0/4023 CPU: 1 PID: 4023 Comm: syz-executor0 Not tainted 4.4.125-g38f41ec #21 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 bdc884d03fbe002e ffff8801c6e26d18 ffffffff81d067bd ffffea00071b89c0 ffff8801c6e276c0 0000000000000000 ffff8801c6e276c0 ffff8801d99bc6b0 ffff8801c6e26d50 ffffffff814fea83 ffff8801c6e276c0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] print_address_description+0x73/0x260 mm/kasan/report.c:252 [] kasan_report_error mm/kasan/report.c:351 [inline] [] kasan_report+0x285/0x370 mm/kasan/report.c:408 [] __asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:428 [] xfrm_state_find+0x1291/0x2550 net/xfrm/xfrm_state.c:799 [] xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:1450 [inline] [] xfrm_tmpl_resolve+0x298/0xab0 net/xfrm/xfrm_policy.c:1494 [] xfrm_resolve_and_create_bundle+0xd7/0x1da0 net/xfrm/xfrm_policy.c:1842 [] xfrm_lookup+0x991/0xc10 net/xfrm/xfrm_policy.c:2196 [] xfrm_lookup_route+0x39/0x1a0 net/xfrm/xfrm_policy.c:2318 [] ip_route_output_flow+0x7f/0xa0 net/ipv4/route.c:2427 [] udp_sendmsg+0x1009/0x1c30 net/ipv4/udp.c:1038 [] udpv6_sendmsg+0x56d/0x2500 net/ipv6/udp.c:1173 [] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755 [] sock_sendmsg_nosec net/socket.c:625 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:635 [] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962 [] __sys_sendmsg+0xd3/0x190 net/socket.c:1996 [] C_SYSC_sendmsg net/compat.c:720 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 The buggy address belongs to the page: page:ffffea00071b89c0 count:0 mapcount:0 mapping: (null) index:0x0 flags: 0x8000000000000000() page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801c6e27580: 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 ffff8801c6e27600: f1 00 f2 f2 f2 f2 f2 f2 f2 00 00 00 f2 f2 f2 f2 >ffff8801c6e27680: f2 00 00 00 00 00 00 00 f2 f2 f2 f2 f2 00 00 00 ^ ffff8801c6e27700: 00 00 00 00 00 00 f2 f2 f2 00 00 00 00 00 00 00 ffff8801c6e27780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================