------------[ cut here ]------------
WARNING: CPU: 0 PID: 1838 at include/linux/skbuff.h:4226 skb_set_delivery_type_by_clockid include/linux/skbuff.h:4226 [inline]
WARNING: CPU: 0 PID: 1838 at include/linux/skbuff.h:4226 __ip6_make_skb+0x4dc/0x720 net/ipv6/ip6_output.c:1930
Modules linked in:
CPU: 0 PID: 1838 Comm: syz-executor Not tainted 6.9.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:skb_set_delivery_type_by_clockid include/linux/skbuff.h:4226 [inline]
RIP: 0010:__ip6_make_skb+0x4dc/0x720 net/ipv6/ip6_output.c:1930
Code: 02 00 eb 02 31 f6 48 89 4b 20 48 8d 83 81 00 00 00 0f b7 93 81 00 00 00 48 85 c9 74 26 83 e2 fc 0f b7 ce 09 d1 89 ca eb 20 90 <0f> 0b 90 48 c7 43 20 00 00 00 00 48 8d 83 81 00 00 00 0f b7 93 81
RSP: 0018:ffffc900022139b8 EFLAGS: 00010202
RAX: 00000000000000ff RBX: ffff88810f6cc400 RCX: 0000000000000000
RDX: 0000000000000600 RSI: 4800000000000000 RDI: ffff888104b40000
RBP: ffff8881012b3c00 R08: 495487cf0694cd1a R09: c117ad6b807b9fbb
R10: ffffc90002213a28 R11: 0000000000000048 R12: ffff88810ceb0780
R13: ffff88810be90d98 R14: ffffc90002213a78 R15: ffffc90002213bd8
FS:  00007f65560df6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200002c0 CR3: 000000010e6e6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ip6_make_skb+0x22d/0x240 net/ipv6/ip6_output.c:2046
 udpv6_sendmsg+0xada/0xbb0 net/ipv6/udp.c:1584
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x3b/0xb0 net/socket.c:745
 ____sys_sendmsg+0x1a7/0x200 net/socket.c:2584
 ___sys_sendmsg net/socket.c:2638 [inline]
 __sys_sendmsg+0x2c7/0x310 net/socket.c:2667
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xe2/0x200 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f655655cee9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f65560df0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f655668bf80 RCX: 00007f655655cee9
RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000003
RBP: 00007f65565a949e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007f655668bf80 R15: 00007fff2a4c5438
 </TASK>