perf_event_open(&(0x7f00000009c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5e, 0x6010, 0x8, 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, 0x10000, 0x0, @perf_config_ext={0x6}, 0x0, 0x0, 0x0, 0x3, 0x1, 0x40}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @mcast1, 0x2}, 0x1c) sendmsg$inet(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x2, 0x4e21, @multicast1}, 0x10, 0x0}, 0x404c008) r1 = fcntl$dupfd(r0, 0x0, r0) sendmsg$inet6(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)=[{&(0x7f0000000bc0)='+', 0x1fc0}], 0x1}, 0x0) lseek(0xffffffffffffffff, 0x0, 0x1) mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0, 0x1010, 0xffffffffffffffff, 0x285d000) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='mounts\x00') readv(r2, &(0x7f0000000840)=[{&(0x7f0000000400)=""/190, 0xbe}, {&(0x7f00000004c0)=""/203, 0xcb}, {&(0x7f00000005c0)=""/252, 0xfc}, {&(0x7f0000000180)=""/6, 0x6}, {&(0x7f0000000c00)=""/4096, 0x1000}, {&(0x7f00000006c0)=""/146, 0x92}, {0x0}], 0x7) setsockopt$inet6_tcp_TCP_MD5SIG(r1, 0x6, 0xe, &(0x7f0000000a40)={@in6={{0xa, 0x4e20, 0x6, @loopback, 0x7}}, 0x0, 0x0, 0x50, 0x0, "78799ddd160e06a407404edb4e40198f9ce79f0e96e1d39c6026d74efd25007ca0db60302c4cc283083d2091fe058228957691359144f6c6cbd5b2e02db68d2713d83e37c9833c50091117fcd627f351"}, 0xd8)