syzbot

panic: chgproccnt: procs < 0
Starting stack trace...
panic(ffffffff8335b716) at panic+0x1d0 sys/kern/subr_prf.c:229
chgproccnt(ee00,ffffffff) at chgproccnt+0xcc sys/kern/kern_proc.c:171
sys_setreuid(ffff80002a393220,ffff80003681f5e0,ffff80003681f530) at sys_setreuid+0x587 sys/kern/kern_prot.c:688
syscall(ffff80003681f5e0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003681f5e0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7e13f7084f0, count: 252
End of stack trace.