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BUG: KMSAN: uninit-value in xfrm_state_find+0x1d65/0x7970 net/xfrm/xfrm_state.c:1068
CPU: 0 PID: 16563 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x21c/0x280 lib/dump_stack.c:118
 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
 __msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
 xfrm_state_find+0x1d65/0x7970 net/xfrm/xfrm_state.c:1068
 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2384 [inline]
 xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2429 [inline]
 xfrm_resolve_and_create_bundle+0xcee/0x5700 net/xfrm/xfrm_policy.c:2719
 xfrm_lookup_with_ifid+0x59a/0x4780 net/xfrm/xfrm_policy.c:3053
 xfrm_lookup net/xfrm/xfrm_policy.c:3177 [inline]
 xfrm_lookup_route+0x100/0x3a0 net/xfrm/xfrm_policy.c:3188
 ip6_dst_lookup_flow+0x223/0x270 net/ipv6/ip6_output.c:1160
 rawv6_sendmsg+0x2155/0x46a0 net/ipv6/raw.c:928
 inet_sendmsg+0x15b/0x1d0 net/ipv4/af_inet.c:817
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg net/socket.c:671 [inline]
 ____sys_sendmsg+0xcfc/0x12f0 net/socket.c:2353
 ___sys_sendmsg net/socket.c:2407 [inline]
 __sys_sendmmsg+0xa89/0x1070 net/socket.c:2497
 __do_sys_sendmmsg net/socket.c:2526 [inline]
 __se_sys_sendmmsg+0xbd/0xe0 net/socket.c:2523
 __x64_sys_sendmmsg+0x56/0x70 net/socket.c:2523
 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e219
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f3117503c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045e219
RDX: 00000000000002e9 RSI: 0000000020000480 RDI: 0000000000000004
RBP: 000000000119bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00000000016afb5f R14: 00007f31175049c0 R15: 000000000119bf8c

Local variable ----tmp.i.i@xfrm_resolve_and_create_bundle created at:
 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2362 [inline]
 xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2429 [inline]
 xfrm_resolve_and_create_bundle+0x554/0x5700 net/xfrm/xfrm_policy.c:2719
 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2362 [inline]
 xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2429 [inline]
 xfrm_resolve_and_create_bundle+0x554/0x5700 net/xfrm/xfrm_policy.c:2719
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