r0 = creat(0x0, 0x0)
perf_event_open(&(0x7f0000000340)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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={0x80}, 0x2800}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
setsockopt$inet6_IPV6_ADDRFORM(r1, 0x29, 0x1, &(0x7f00000000c0), 0x4)
signalfd(r0, &(0x7f0000000300)={[0xffffffff]}, 0x8)
setsockopt$inet6_MCAST_JOIN_GROUP(r1, 0x29, 0x2a, 0x0, 0x0)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
ioctl$EXT4_IOC_GROUP_ADD(0xffffffffffffffff, 0x40286608, &(0x7f0000000240)={0x8000, 0x9, 0x800000000001, 0xffffffffffff8001, 0x8000, 0x3ff})
dup2(r1, r2)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='mounts\x00')
ioctl$FS_IOC_FSGETXATTR(0xffffffffffffffff, 0x801c581f, &(0x7f00000013c0)={0x6, 0x7ff, 0x911f})
sendfile(r2, r3, 0x0, 0xffd0)
syz_open_procfs(0x0, &(0x7f00000000c0)='net/nfsfs\x00')
fcntl$getown(0xffffffffffffffff, 0x9)