===================================================== BUG: KMSAN: uninit-value in xfrm_state_find+0x23e2/0xab10 net/xfrm/xfrm_state.c:1438 xfrm_state_find+0x23e2/0xab10 net/xfrm/xfrm_state.c:1438 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2519 [inline] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2570 [inline] xfrm_resolve_and_create_bundle+0x829/0x59e0 net/xfrm/xfrm_policy.c:2868 xfrm_lookup_with_ifid+0x457/0x3790 net/xfrm/xfrm_policy.c:3202 xfrm_lookup net/xfrm/xfrm_policy.c:3333 [inline] xfrm_lookup_route+0x63/0x2b0 net/xfrm/xfrm_policy.c:3344 ip6_dst_lookup_flow net/ipv6/ip6_output.c:1265 [inline] ip6_sk_dst_lookup_flow+0x1044/0x1260 net/ipv6/ip6_output.c:1297 udpv6_sendmsg+0x34af/0x40f0 net/ipv6/udp.c:1706 inet6_sendmsg+0x1fc/0x280 net/ipv6/af_inet6.c:659 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x143/0x380 net/socket.c:727 ____sys_sendmsg+0x91b/0xda0 net/socket.c:2566 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2620 __sys_sendmmsg+0x41d/0x880 net/socket.c:2702 __compat_sys_sendmmsg net/compat.c:360 [inline] __do_compat_sys_sendmmsg net/compat.c:367 [inline] __se_compat_sys_sendmmsg net/compat.c:364 [inline] __ia32_compat_sys_sendmmsg+0xc8/0x140 net/compat.c:364 ia32_sys_call+0x3ffa/0x41f0 arch/x86/include/generated/asm/syscalls_32.h:346 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Local variable tmp.i.i created at: xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2491 [inline] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2570 [inline] xfrm_resolve_and_create_bundle+0x373/0x59e0 net/xfrm/xfrm_policy.c:2868 xfrm_lookup_with_ifid+0x457/0x3790 net/xfrm/xfrm_policy.c:3202 CPU: 1 UID: 0 PID: 20855 Comm: syz.0.5730 Not tainted 6.15.0-rc1-syzkaller-00246-g900241a5cc15 #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 =====================================================