perf_event_open(&(0x7f0000001d80)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4307, 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_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_udp_int(r0, 0x11, 0x67, &(0x7f0000000140)=0x7f, 0x4) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) sendmsg$inet(r0, &(0x7f00000000c0)={&(0x7f0000000180)={0x2, 0x4e21, @multicast1}, 0x10, 0x0}, 0x8004) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e22, 0x1, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c) r1 = fcntl$dupfd(r0, 0x0, r0) sendmsg$inet6(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)=[{&(0x7f0000000bc0)='+', 0x1fc0}], 0x1}, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDPRL(0xffffffffffffffff, 0x8923, &(0x7f0000000000)={'sit0\x00', 0x0}) syz_io_uring_setup(0x446f, &(0x7f0000000040)={0x0, 0x1969, 0x10, 0x2, 0x0, 0x0, r1}, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffd000/0x2000)=nil, 0x0, &(0x7f0000000540)=0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000001c0)={'syzkaller1\x00'}) r3 = mmap$IORING_OFF_CQ_RING(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x1000002, 0x80071, 0xffffffffffffffff, 0x8000000) r4 = syz_io_uring_complete(r3) sendmsg$MPTCP_PM_CMD_FLUSH_ADDRS(r4, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00022abd7000fbdbdf25040000000c0001800000080003000400000008000200"/41], 0x30}, 0x1, 0x0, 0x0, 0x200000c5}, 0x0) syz_io_uring_submit(r3, r2, &(0x7f0000000300)=@IORING_OP_FALLOCATE={0x11, 0x3, 0x0, @fd, 0x2, 0x0, 0x20}, 0x1) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000002e00)={0x7, [], 0x4, "9755154351ac9a"})