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_config_ext, 0x0, 0x0, 0x0, 0x5f4b4131132df60, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
ioctl$sock_ipv6_tunnel_SIOCCHGPRL(0xffffffffffffffff, 0x89f7, &(0x7f00000000c0)={'ip6tnl0\x00', &(0x7f00000002c0)={'syztnl2\x00', 0x0, 0x4, 0x1a, 0xff, 0x3a21, 0x52, @mcast1, @private1, 0x1, 0x1, 0x6, 0x38}})
stat(&(0x7f0000001cc0)='.\x00', &(0x7f0000001c00))
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f0000000040)=ANY=[@ANYBLOB="010000001800000dae000000", @ANYRES32=<r1=>r0, @ANYBLOB='\t\x00\x00\x00\x00\x00\x00\x00./file0\x00'])
ioctl$TIOCSPTLCK(r1, 0x40045431, &(0x7f00000000c0))
ioctl$TIOCSPTLCK(r0, 0x40045431, &(0x7f0000000000))
r2 = ioctl$TIOCGPTPEER(r0, 0x5441, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
r4 = fcntl$dupfd(r3, 0x0, r3)
sendmsg$nl_generic(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)={0x3c, 0x21, 0xc21, 0x10000000, 0x0, {0x2}, [@typed={0x8, 0x0, 0x0, 0x0, @u32}, @typed={0x20, 0x16, 0x0, 0x0, @str='/proc/sys/net/ipv4/tcp_rmem\x00'}]}, 0x3c}}, 0x0)
dup3(r2, r0, 0x0)