r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000540)={0xa, 0x800, 0x0, @mcast1, 0x2}, 0x1c)
r1 = creat(&(0x7f0000000040)='./file0\x00', 0x0)
ftruncate(r1, 0x2)
setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000580)=ANY=[@ANYBLOB="000f0000000000000a004e230000000700000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000050000000a004e220000000f000000000000000000000000000000010000000000000000000000000000000000000000009a80c5eb670d80be0000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e200000000600000000000000000000000000000001f7ffffff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000a00b18000000006fe88002000000000000000000000000105000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e220000000500000000000000000000ffffac1e0001040000000000000000000000000000000000000000000000000000000000000000000000641d8c1d2501c526000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ddff000a004e2424000000fc0000000000f2000000000000000000070000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f5b172d84ce5d2950000000000000000000000000000000000000000000000000000000000000000a2897b9bf1c3dfd274048d538b2071035909633edc"], 0x310)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4ea0, 0x0, @ipv4={'\x00', '\xff\xff', @remote}}, 0x1c)
r2 = syz_open_procfs$userns(0xffffffffffffffff, &(0x7f0000000180))
fsetxattr(r2, &(0x7f00000001c0)=@random={'user.', '&.\x00'}, &(0x7f0000000280)='\x00', 0x1, 0x3)
r3 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
bind$802154_dgram(r3, 0x0, 0x0)
getegid()
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000000)=@IORING_OP_SENDMSG={0x9, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000900)={&(0x7f0000000200)=@l2tp6={0xa, 0x0, 0x0, @mcast2}, 0x80, &(0x7f0000000840)=[{&(0x7f0000000300)="a63a", 0x2}], 0x1}, 0x0, 0x4008000}, 0x0)
perf_event_open(&(0x7f0000001d80)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000040)}, 0x0, 0x0, 0x0, 0x1, 0x0, 0xfffffffc, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
sendmmsg$inet6(r0, &(0x7f0000004d00), 0x2f, 0x0)
syz_io_uring_setup(0x2e37, &(0x7f0000000080)={0x0, 0x39f3, 0x4, 0x3, 0x317, 0x0, r1}, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000100), &(0x7f0000000140))