sched: DL replenish lagged too much ------------[ cut here ]------------ WARNING: CPU: 1 PID: 9409 at kernel/sched/deadline.c:660 __enqueue_dl_entity kernel/sched/deadline.c:1412 [inline] WARNING: CPU: 1 PID: 9409 at kernel/sched/deadline.c:660 enqueue_dl_entity kernel/sched/deadline.c:1464 [inline] WARNING: CPU: 1 PID: 9409 at kernel/sched/deadline.c:660 enqueue_task_dl+0x1caf/0x2d20 kernel/sched/deadline.c:1532 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 9409 Comm: syz-executor2 Not tainted 5.4.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x12d/0x187 lib/dump_stack.c:118 panic+0x22a/0x4f5 kernel/panic.c:221 __warn.cold.10+0x25/0x28 kernel/panic.c:582 report_bug+0x1b0/0x270 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:setup_new_dl_entity kernel/sched/deadline.c:660 [inline] RIP: 0010:enqueue_dl_entity kernel/sched/deadline.c:1461 [inline] RIP: 0010:enqueue_task_dl+0x1caf/0x2d20 kernel/sched/deadline.c:1532 Code: 89 4d c8 e8 73 18 4f 00 be ff ff 37 00 4c 8b 45 a8 48 8b 55 b0 48 c1 e6 2a 48 8b 4d b8 4c 8b 55 c0 44 8b 4d c8 e9 e1 e8 ff ff <0f> 0b e9 db f4 ff ff 48 89 d7 4c 89 45 b0 48 89 4d b8 44 89 4d c0 RSP: 0018:ffff88807904fc98 EFLAGS: 00010002 RAX: 0000000000000000 RBX: ffff888093356200 RCX: ffff888093356478 RDX: ffff8880933564c0 RSI: 0000000000000002 RDI: ffffffff88265168 RBP: ffff88807904fd10 R08: ffff88809335623c R09: 0000001cb9257bab R10: 1ffffffff104ca2d R11: ffff8880aed37f63 R12: ffff8880933564cc R13: ffff8880aed370c0 R14: ffff8880aed370c0 R15: ffffffff891a3d74 enqueue_task+0xb2/0x350 kernel/sched/core.c:1301 __sched_setscheduler+0xf0b/0x2270 kernel/sched/core.c:4998 sched_setattr kernel/sched/core.c:5064 [inline] __do_sys_sched_setattr kernel/sched/core.c:5226 [inline] __se_sys_sched_setattr kernel/sched/core.c:5199 [inline] __x64_sys_sched_setattr+0x1c7/0x330 kernel/sched/core.c:5199 do_syscall_64+0xd0/0x600 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458019 Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f8859085c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458019 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f88590866d4 R13: 00000000004c4ad6 R14: 00000000004d80f0 R15: 00000000ffffffff ======================================================