------------[ cut here ]------------ WARNING: CPU: 1 PID: 5236 at kernel/sched/fair.c:5337 place_entity+0x463/0x520 kernel/sched/fair.c:5337 Modules linked in: CPU: 1 UID: 0 PID: 5236 Comm: kworker/u9:6 Not tainted 6.11.0-rc4-next-20240820-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Workqueue:  hci_rx_work RIP: 0010:place_entity+0x463/0x520 kernel/sched/fair.c:5337 Code: 27 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 48 8b 3c 24 4c 89 fe e8 77 14 00 00 48 89 04 24 e9 e0 fd ff ff 90 <0f> 0b 90 41 bd 01 00 00 00 e9 22 ff ff ff 89 d9 80 e1 07 38 c1 0f RSP: 0018:ffffc90000a18a10 EFLAGS: 00010046 RAX: 0000000000ac9000 RBX: 0000000000002b24 RCX: 0000000000100000 RDX: 0000000000000400 RSI: ffff88807e0ebc80 RDI: ffff88807e0ebd00 RBP: dffffc0000000000 R08: ffff88807eb94147 R09: 1ffff1100fd72828 R10: dffffc0000000000 R11: ffffed100fd72829 R12: 00000000123d9b60 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88807e0ebc80 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff391ffed8 CR3: 000000006544a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: enqueue_entity+0x271/0x1920 kernel/sched/fair.c:5409 enqueue_task_fair+0x206/0xe30 kernel/sched/fair.c:6985 enqueue_task+0x1a5/0x300 kernel/sched/core.c:2014 activate_task kernel/sched/core.c:2056 [inline] ttwu_do_activate+0x1d1/0x7e0 kernel/sched/core.c:3665 ttwu_queue kernel/sched/core.c:3940 [inline] try_to_wake_up+0x8bc/0x1480 kernel/sched/core.c:4266 hrtimer_wakeup+0x62/0x80 kernel/time/hrtimer.c:1927 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1755 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1026 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1043 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:console_flush_all+0xaad/0xfd0 kernel/printk/printk.c:3055 Code: ff ff e8 26 b0 1f 00 90 0f 0b 90 e9 d8 f8 ff ff e8 18 b0 1f 00 e8 f3 4e 47 0a 4d 85 f6 74 b6 e8 09 b0 1f 00 fb 48 8b 44 24 70 <42> 0f b6 04 38 84 c0 48 8b 7c 24 30 0f 85 22 02 00 00 0f b6 1f 31 RSP: 0018:ffffc90003d17340 EFLAGS: 00000287 RAX: 1ffff920007a2eb4 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc90014362000 RSI: 00000000000023a5 RDI: 00000000000023a6 RBP: ffffc90003d174f0 R08: ffffffff81741044 R09: 1ffffffff26ebd00 R10: dffffc0000000000 R11: fffffbfff26ebd01 R12: ffffffff8f13d138 R13: ffffffff8f13d0e0 R14: 0000000000000200 R15: dffffc0000000000 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3118 vprintk_emit+0x5dc/0x7c0 kernel/printk/printk.c:2348 _printk+0xd5/0x120 kernel/printk/printk.c:2373 bt_warn+0x127/0x180 net/bluetooth/lib.c:276 hci_cc_func net/bluetooth/hci_event.c:4179 [inline] hci_cmd_complete_evt+0x3ef/0x8b0 net/bluetooth/hci_event.c:4203 hci_event_func net/bluetooth/hci_event.c:7443 [inline] hci_event_packet+0xa55/0x1540 net/bluetooth/hci_event.c:7498 hci_rx_work+0x3e8/0xca0 net/bluetooth/hci_core.c:4017 process_one_work kernel/workqueue.c:3232 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3313 worker_thread+0x86d/0xd10 kernel/workqueue.c:3390 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: e8 26 b0 1f 00 call 0x1fb02b 5: 90 nop 6: 0f 0b ud2 8: 90 nop 9: e9 d8 f8 ff ff jmp 0xfffff8e6 e: e8 18 b0 1f 00 call 0x1fb02b 13: e8 f3 4e 47 0a call 0xa474f0b 18: 4d 85 f6 test %r14,%r14 1b: 74 b6 je 0xffffffd3 1d: e8 09 b0 1f 00 call 0x1fb02b 22: fb sti 23: 48 8b 44 24 70 mov 0x70(%rsp),%rax * 28: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax <-- trapping instruction 2d: 84 c0 test %al,%al 2f: 48 8b 7c 24 30 mov 0x30(%rsp),%rdi 34: 0f 85 22 02 00 00 jne 0x25c 3a: 0f b6 1f movzbl (%rdi),%ebx 3d: 31 .byte 0x31