syzbot

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WARNING: CPU: 1 PID: 25 at kernel/sched/deadline.c:1995 enqueue_dl_entity+0x47c/0x590 kernel/sched/deadline.c:2029
Modules linked in:
CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0 Tainted: G    B              6.12.0-rc4-syzkaller-00256-gc71f8fb4dc91 #0
Tainted: [B]=BAD_PAGE
Hardware name: linux,dummy-virt (DT)
Workqueue:  0x0 (wg-crypt-wg0)
pstate: a14000c9 (NzCv daIF +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : enqueue_dl_entity+0x47c/0x590 kernel/sched/deadline.c:1995
lr : dl_server_start+0x44/0x12c kernel/sched/deadline.c:1650
sp : ffff800082b93a10
x29: ffff800082b93a10 x28: f0f000000717ee40 x27: 0000000000000000
x26: 0000000000000001 x25: 0000000000000000 x24: 0000000000000048
x23: fff000007f8ee800 x22: 0000000000000001 x21: 000000000016e360
x20: 0000000000000001 x19: fff000007f8ef168 x18: 0000000000000001
x17: 0000000000000412 x16: 0000000000000005 x15: 0000000000000000
x14: 000000000000021c x13: 00000000000001df x12: 0000000000000001
x11: fff000007f8ee880 x10: 0000000000000005 x9 : 0000000000000048
x8 : 0000000000100000 x7 : 0000000000000001 x6 : f0f000000717ee00
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000001
Call trace:
 enqueue_dl_entity+0x47c/0x590 kernel/sched/deadline.c:2029
 dl_server_start+0x44/0x12c kernel/sched/deadline.c:1650
 enqueue_task_fair+0x11c/0x3a4 kernel/sched/fair.c:7043
 enqueue_task+0x3c/0xe0 kernel/sched/core.c:2020
 activate_task+0x68/0x80 kernel/sched/core.c:2067
 attach_task+0x4c/0x74 kernel/sched/fair.c:9634
 attach_tasks kernel/sched/fair.c:9669 [inline]
 sched_balance_rq+0x580/0xc74 kernel/sched/fair.c:11746
 sched_balance_newidle.constprop.0+0x1b0/0x3e4 kernel/sched/fair.c:12788
 pick_next_task_fair+0x50/0x320 kernel/sched/fair.c:8936
 __pick_next_task kernel/sched/core.c:5968 [inline]
 pick_next_task kernel/sched/core.c:6490 [inline]
 __schedule+0x15c/0x8f8 kernel/sched/core.c:6644
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0x34/0x104 kernel/sched/core.c:6782
 worker_thread+0x19c/0x354 kernel/workqueue.c:3406
 kthread+0x114/0x118 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
---[ end trace 0000000000000000 ]---
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WARNING: CPU: 1 PID: 25 at kernel/sched/deadline.c:1971 enqueue_dl_entity+0x4b0/0x590 kernel/sched/deadline.c:2053
Modules linked in:
CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0 Tainted: G    B   W          6.12.0-rc4-syzkaller-00256-gc71f8fb4dc91 #0
Tainted: [B]=BAD_PAGE, [W]=WARN
Hardware name: linux,dummy-virt (DT)
Workqueue:  0x0 (wg-crypt-wg0)
pstate: a14000c9 (NzCv daIF +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : __enqueue_dl_entity kernel/sched/deadline.c:1971 [inline]
pc : enqueue_dl_entity+0x4b0/0x590 kernel/sched/deadline.c:2068
lr : enqueue_dl_entity+0x348/0x590 kernel/sched/deadline.c:2040
sp : ffff800082b93a10
x29: ffff800082b93a10 x28: f0f000000717ee40 x27: 0000000000000000
x26: 0000000000000001 x25: 0000000000000000 x24: 0000000000000048
x23: fff000007f8ee800 x22: 0000000000000001 x21: fff000007f8ef100
x20: fff000007f8ee800 x19: fff000007f8ef168 x18: 0000000000000001
x17: 0000000000000412 x16: 0000000000000005 x15: 0000000000000000
x14: 000000000000021c x13: 00000000000001df x12: 0000000000000001
x11: fff000007f8ee880 x10: 0000000000000005 x9 : 0000000000000001
x8 : 00000000000ee53f x7 : 00000000000ee6b2 x6 : fff000007f8ef168
x5 : 000000003b9aca00 x4 : 000000003b9aca00 x3 : 000000b000000000
x2 : 0000000002faf080 x1 : 0000000000000030 x0 : 0000000000000001
Call trace:
 enqueue_dl_entity+0x4b0/0x590 kernel/sched/deadline.c:2053
 dl_server_start+0x44/0x12c kernel/sched/deadline.c:1650
 enqueue_task_fair+0x11c/0x3a4 kernel/sched/fair.c:7043
 enqueue_task+0x3c/0xe0 kernel/sched/core.c:2020
 activate_task+0x68/0x80 kernel/sched/core.c:2067
 attach_task+0x4c/0x74 kernel/sched/fair.c:9634
 attach_tasks kernel/sched/fair.c:9669 [inline]
 sched_balance_rq+0x580/0xc74 kernel/sched/fair.c:11746
 sched_balance_newidle.constprop.0+0x1b0/0x3e4 kernel/sched/fair.c:12788
 pick_next_task_fair+0x50/0x320 kernel/sched/fair.c:8936
 __pick_next_task kernel/sched/core.c:5968 [inline]
 pick_next_task kernel/sched/core.c:6490 [inline]
 __schedule+0x15c/0x8f8 kernel/sched/core.c:6644
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0x34/0x104 kernel/sched/core.c:6782
 worker_thread+0x19c/0x354 kernel/workqueue.c:3406
 kthread+0x114/0x118 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
---[ end trace 0000000000000000 ]---