=====================================================
BUG: KMSAN: uninit-value in schedule_debug kernel/sched/core.c:5945 [inline]
BUG: KMSAN: uninit-value in __schedule+0x7f4/0x7040 kernel/sched/core.c:6604
 schedule_debug kernel/sched/core.c:5945 [inline]
 __schedule+0x7f4/0x7040 kernel/sched/core.c:6604
 schedule+0x148/0x220 kernel/sched/core.c:6786
 schedule_timeout+0x6d/0x3b0 kernel/time/timer.c:2143
 sctp_wait_for_connect+0x4a9/0x810 net/sctp/socket.c:9342
 sctp_sendmsg_to_asoc+0x1ea7/0x1ee0 net/sctp/socket.c:1884
 sctp_sendmsg+0x32b4/0x4a70 net/sctp/socket.c:2030
 inet_sendmsg+0x105/0x190 net/ipv4/af_inet.c:830
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg net/socket.c:748 [inline]
 ____sys_sendmsg+0x9c2/0xd60 net/socket.c:2494
 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2548
 __sys_sendmmsg+0x3c4/0x950 net/socket.c:2634
 __do_sys_sendmmsg net/socket.c:2663 [inline]
 __se_sys_sendmmsg net/socket.c:2660 [inline]
 __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2660
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Local variable _inithdr created at:
 nf_conntrack_sctp_packet+0x29e0/0x3db0 net/netfilter/nf_conntrack_proto_sctp.c:466
 nf_conntrack_handle_packet net/netfilter/nf_conntrack_core.c:1941 [inline]
 nf_conntrack_in+0x10e9/0x30d0 net/netfilter/nf_conntrack_core.c:2013

CPU: 1 PID: 25737 Comm: syz-executor.1 Tainted: G        W          6.5.0-rc7-syzkaller-00087-gb5cc3833f13a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
=====================================================