------------[ cut here ]------------
WARNING: kernel/sched/core.c:10569 at sched_mm_cid_fork+0x34c/0x45c kernel/sched/core.c:10569, CPU#0: kworker/u8:19/32743
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 0 UID: 0 PID: 32743 Comm: kworker/u8:19 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: ARM-Versatile Express
Call trace: 
[<80201a74>] (dump_backtrace) from [<80201b70>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:82283a7c r6:866a8c00 r5:00000000 r4:82295830
[<80201b58>] (show_stack) from [<8021ee18>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b58>] (show_stack) from [<8021ee18>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120)
[<8021edc4>] (dump_stack_lvl) from [<8021ee58>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000000 r4:82a7bd14
[<8021ee40>] (dump_stack) from [<80202648>] (vpanic+0xe0/0x2e8 kernel/panic.c:489)
[<80202568>] (vpanic) from [<80202884>] (trace_suspend_resume+0x0/0xd8 kernel/panic.c:626)
 r7:80295b38
[<80202850>] (panic) from [<802520b0>] (check_panic_on_warn kernel/panic.c:376 [inline])
[<80202850>] (panic) from [<802520b0>] (get_taint+0x0/0x1c kernel/panic.c:371)
 r3:8280c704 r2:00000001 r1:8227bfe4 r0:82283a7c
[<80252038>] (check_panic_on_warn) from [<80252228>] (__warn+0x94/0x1a4 kernel/panic.c:901)
[<80252194>] (__warn) from [<802524b0>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:928)
 r8:00000009 r7:82286670 r6:e01a5e8c r5:866a8c00 r4:00000000
[<8025233c>] (warn_slowpath_fmt) from [<80295b38>] (sched_mm_cid_fork+0x34c/0x45c kernel/sched/core.c:10569)
 r10:84748e58 r9:8291bbf4 r8:82ad3ad0 r7:00000006 r6:866a8c00 r5:84748e00
 r4:00000000
[<802957ec>] (sched_mm_cid_fork) from [<80295c58>] (sched_mm_cid_after_execve+0x10/0x14 kernel/sched/core.c:10700)
 r10:84748e58 r9:8291bbf4 r8:82ad3ad0 r7:00000006 r6:fffffffc r5:84748e00
 r4:866a8c00
[<80295c48>] (sched_mm_cid_after_execve) from [<805739d4>] (bprm_execve fs/exec.c:1776 [inline])
[<80295c48>] (sched_mm_cid_after_execve) from [<805739d4>] (bprm_execve+0x14c/0x540 fs/exec.c:1729)
[<80573888>] (bprm_execve) from [<80575120>] (kernel_execve+0xf8/0x190 fs/exec.c:1919)
 r10:00000000 r9:00000000 r8:828f58f0 r7:85ece500 r6:8383f000 r5:84748e00
 r4:00000000
[<80575028>] (kernel_execve) from [<80270e80>] (call_usermodehelper_exec_async+0xf0/0x160 kernel/umh.c:109)
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:85ece140 r4:87ee7a00
[<80270d90>] (call_usermodehelper_exec_async) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe01a5fb0 to 0xe01a5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r7:00000000 r6:00000000 r5:80270d90 r4:85ece140
Rebooting in 86400 seconds..