r0 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(0xffffffffffffffff, &(0x7f0000000540)={0xa, 0x0, 0x0, @loopback}, 0x1c) setsockopt$inet6_opts(r0, 0x29, 0x36, &(0x7f0000000580)=ANY=[], 0x68) recvmsg(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000500)=[{0x0}], 0x1, &(0x7f0000000a40)=""/102, 0x66}, 0x12140) sendmsg$inet6(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0) 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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmmsg$inet6(r0, &(0x7f0000004d00)=[{{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x200000}], 0x1, 0x0) r1 = accept$unix(0xffffffffffffffff, &(0x7f0000000700), &(0x7f0000000780)=0x6e) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x46e2, 0x89) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0xa, 0x13, r2, 0x0) fcntl$F_SET_RW_HINT(r2, 0x40c, &(0x7f0000000200)=0x1) ioctl$EXT4_IOC_SWAP_BOOT(r2, 0x6611) r3 = io_uring_register$IORING_REGISTER_PERSONALITY(0xffffffffffffffff, 0x9, 0x0, 0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000900)=@IORING_OP_SENDMSG={0x9, 0x3, 0x0, r1, 0x0, &(0x7f00000008c0)={&(0x7f00000007c0)=@pppol2tp={0x18, 0x1, {0x0, r2, {0x2, 0x4e21, @private=0xa010100}, 0x0, 0x3, 0x4, 0x3}}, 0x80, &(0x7f0000000880)=[{&(0x7f0000000840)="34790c1d32787382380ee838213c5e401d7757259be9", 0x16}], 0x1}, 0x0, 0x4850, 0x1, {0x0, r3}}, 0x9) r4 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x46e2, 0x89) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0xa, 0x13, r4, 0x0) fcntl$F_SET_RW_HINT(r4, 0x40c, &(0x7f0000000200)=0x1) ioctl$EXT4_IOC_SWAP_BOOT(r4, 0x6611) recvfrom(r4, &(0x7f0000000000)=""/20, 0x14, 0x0, &(0x7f0000000180)=@llc={0x1a, 0x227, 0x3f, 0x4, 0x80, 0x7, @random="c358eedf68bf"}, 0x80) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f00000002c0)={'syztnl1\x00', &(0x7f0000000240)={'syztnl2\x00', 0x0, 0x29, 0x0, 0x3f, 0x400, 0x1, @private2, @dev={0xfe, 0x80, '\x00', 0x38}, 0x8, 0x87b0, 0x4, 0x7ff}})