ioprio_get$pid(0x1, 0xffffffffffffffff)
r0 = fork()
ptrace(0x10, r0)
sched_setattr(r0, &(0x7f0000000000)={0x38, 0x0, 0x10, 0x1, 0x80000000, 0x1, 0x8, 0x5, 0x73f8aedd, 0x3ff}, 0x0)
ptrace$setsig(0x4203, r0, 0x203, &(0x7f0000000040)={0x39, 0xffffffff, 0x7})
fork()
r1 = fcntl$getown(0xffffffffffffffff, 0x9)
ptrace(0x4208, r1)
r2 = fork()
sched_getattr(r2, &(0x7f00000000c0)={0x38}, 0x38, 0x0)
r3 = syz_open_procfs(r0, &(0x7f0000000100)='children\x00')
ioctl$TIOCGPGRP(r3, 0x540f, &(0x7f0000000140)=<r4=>0x0)
ptrace(0x4208, r4)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000180), 0x210280, 0x0)
recvmmsg$unix(r5, &(0x7f0000003cc0)=[{{&(0x7f00000001c0), 0x6e, &(0x7f0000000340)=[{&(0x7f0000000240)=""/134, 0x86}, {&(0x7f0000000300)=""/31, 0x1f}], 0x2}}, {{&(0x7f0000000380), 0x6e, &(0x7f0000000480)=[{&(0x7f0000000400)=""/95, 0x5f}], 0x1, &(0x7f00000004c0)}}, {{&(0x7f0000000500)=@abs, 0x6e, &(0x7f0000003980)=[{&(0x7f0000000580)=""/99, 0x63}, {&(0x7f0000000600)=""/29, 0x1d}, {&(0x7f0000000640)=""/255, 0xff}, {&(0x7f0000000740)=""/90, 0x5a}, {&(0x7f00000007c0)=""/4096, 0x1000}, {&(0x7f00000017c0)=""/4096, 0x1000}, {&(0x7f00000027c0)=""/208, 0xd0}, {&(0x7f00000028c0)=""/4096, 0x1000}, {&(0x7f00000038c0)=""/1, 0x1}, {&(0x7f0000003900)=""/122, 0x7a}], 0xa, &(0x7f0000003a40)=[@rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x34, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0xb8}}, {{0x0, 0x0, &(0x7f0000003c00)=[{&(0x7f0000003b00)}, {&(0x7f0000003b40)=""/181, 0xb5}], 0x2, &(0x7f0000003c40)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, <r6=>0xffffffffffffffff, 0xffffffffffffffff]}}], 0x50}}], 0x4, 0x40000020, &(0x7f0000003dc0)={0x77359400})
clone3(&(0x7f0000004040)={0x209080080, &(0x7f0000003e00), &(0x7f0000003e40), &(0x7f0000003e80), {0x6}, &(0x7f0000003ec0)=""/174, 0xae, &(0x7f0000003f80)=""/102, &(0x7f0000004000)=[0xffffffffffffffff, r2], 0x2, {r6}}, 0x58)