===================================================== BUG: KMSAN: uninit-value in xfrm_state_find+0x2424/0xa940 net/xfrm/xfrm_state.c:1421 xfrm_state_find+0x2424/0xa940 net/xfrm/xfrm_state.c:1421 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2522 [inline] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2573 [inline] xfrm_resolve_and_create_bundle+0xabc/0x58a0 net/xfrm/xfrm_policy.c:2871 xfrm_lookup_with_ifid+0x48c/0x3ac0 net/xfrm/xfrm_policy.c:3205 xfrm_lookup net/xfrm/xfrm_policy.c:3336 [inline] xfrm_lookup_route+0x63/0x2b0 net/xfrm/xfrm_policy.c:3347 ip_route_output_flow+0x20d/0x2b0 net/ipv4/route.c:2934 udp_sendmsg+0x2c8f/0x3370 net/ipv4/udp.c:1450 inet_sendmsg+0x1ef/0x2a0 net/ipv4/af_inet.c:851 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x278/0x3d0 net/socket.c:729 ____sys_sendmsg+0x893/0xd80 net/socket.c:2617 ___sys_sendmsg+0x271/0x3b0 net/socket.c:2671 __sys_sendmmsg+0x3bf/0x7c0 net/socket.c:2753 __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+0xd2/0x160 net/compat.c:364 ia32_sys_call+0x39e0/0x4310 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+0xb0/0x150 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:2494 [inline] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2573 [inline] xfrm_resolve_and_create_bundle+0x3a7/0x58a0 net/xfrm/xfrm_policy.c:2871 xfrm_lookup_with_ifid+0x48c/0x3ac0 net/xfrm/xfrm_policy.c:3205 CPU: 1 UID: 0 PID: 18049 Comm: syz.0.5015 Tainted: G W syzkaller #0 PREEMPT(none) Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 =====================================================