perf_event_open(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
syz_open_procfs(0xffffffffffffffff, 0x0)
fchmod(0xffffffffffffffff, 0x0)
r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/keys\x00', 0x0, 0x0)
r1 = syz_open_dev$tty20(0xc, 0x4, 0x1)
sendfile(r1, r0, 0x0, 0x3fffffffffffc)
ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/keys\x00', 0x0, 0x0)
perf_event_open(0x0, 0x0, 0x0, r2, 0x0)
r3 = syz_open_dev$tty20(0xc, 0x4, 0x1)
sendfile(r3, r2, 0x0, 0x3fffffffffffc)