syzbot

panic: chgproccnt: procs < 0
Starting stack trace...
panic(ffffffff83330c29) at panic+0x1d0 sys/kern/subr_prf.c:229
chgproccnt(4000,ffffffff) at chgproccnt+0xcc sys/kern/kern_proc.c:171
sys_setreuid(ffff80003c0d8028,ffff8000390c8040,ffff8000390c7f90) at sys_setreuid+0x587 sys/kern/kern_prot.c:688
syscall(ffff8000390c8040) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000390c8040) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x775f93dc080, count: 252
End of stack trace.