r0 = perf_event_open(&(0x7f0000001d80)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5e, 0x442, 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={0xa}, 0x0, 0x0, 0x0, 0x3, 0x1, 0x40, 0x80}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = fcntl$getown(r0, 0x9)
perf_event_open(&(0x7f0000000380)={0x2, 0x80, 0x1f, 0x9, 0x9, 0x8, 0x0, 0x10001, 0x40, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0xffffffff, 0x0, @perf_config_ext={0x4, 0x1000}, 0x10000, 0x685e7927, 0x1ff, 0x7, 0x4, 0x4, 0xb2, 0x0, 0x3, 0x0, 0x7}, r1, 0x0, r0, 0x2)
ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, &(0x7f00000000c0)={0x0, <r2=>0x0})
r3 = syz_open_procfs(r2, &(0x7f0000000000)='mounts\x00')
readv(r3, &(0x7f0000001600)=[{&(0x7f00000004c0)=""/4096, 0x1000}], 0x1)
r4 = syz_open_procfs(0x0, &(0x7f0000000280)='fd/4\x00')
ioctl$FIONREAD(r4, 0x6801, 0x0)
ioctl$FIONREAD(r0, 0x541b, &(0x7f0000001980))
syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$9p_unix(&(0x7f0000000140)='./file0/../file0\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x53000, 0x0)
ioctl$sock_SIOCGPGRP(r3, 0x8904, &(0x7f0000000040))
openat(0xffffffffffffff9c, &(0x7f0000000340)='./file0\x00', 0x400cc0, 0xa6)
r5 = openat(0xffffffffffffffff, &(0x7f00000001c0)='./file1\x00', 0x80, 0x0)
preadv(r5, 0x0, 0x0, 0x401, 0x0)
setresuid(0xffffffffffffffff, 0x0, 0x0)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f00000002c0), 0x300020, &(0x7f0000001880)={'trans=fd,', {'rfdno', 0x3d, r5}, 0x2c, {'wfdno', 0x3d, r4}, 0x2c, {[{@msize={'msize', 0x3d, 0x7e}}, {@access_any}], [{@uid_eq}, {@dont_hash}, {@seclabel}, {@fscontext={'fscontext', 0x3d, 'sysadm_u'}}, {@fowner_eq}, {@audit}]}})