------------[ cut here ]------------
WARNING: kernel/sched/core.c:10569 at sched_mm_cid_fork+0x66/0xc30, CPU#0: kworker/u9:1/8517
Modules linked in:
CPU: 0 UID: 0 PID: 8517 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:sched_mm_cid_fork+0x66/0xc30
Code: 4c 8b 3b 4d 85 ff 74 21 49 8d 9d d4 15 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 13 0a 00 00 31 c0 3b 03 70 04 90 <0f> 0b 90 49 8d 9f 00 01 00 00 49 8d bf c0 01 00 00 48 89 7c 24 20
RSP: 0018:ffffc90007fdfc18 EFLAGS: 00010246
RAX: 1ffff1103645145b RBX: ffff8881b228a2d8 RCX: ffff8881b2289d40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881b2289d40
RBP: ffffc90007fdfda8 R08: ffffffff8e093e43 R09: 1ffffffff1c127c8
R10: dffffc0000000000 R11: fffffbfff1c127c9 R12: ffff8881b2289d40
R13: ffff8881b2289d40 R14: dffffc0000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88818e81f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005636ea0f9680 CR3: 0000000112fce000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 bprm_execve+0xd88/0x1400
 kernel_execve+0x8f0/0x9f0
 call_usermodehelper_exec_async+0x210/0x360
 ret_from_fork+0x510/0xa50
 ret_from_fork_asm+0x1a/0x30
 </TASK>
