------------[ cut here ]------------ WARNING: CPU: 1 PID: 5331 at kernel/sched/fair.c:5337 place_entity+0x463/0x520 kernel/sched/fair.c:5337 Modules linked in: CPU: 1 UID: 0 PID: 5331 Comm: kworker/1:6 Not tainted 6.11.0-rc4-next-20240823-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Workqueue: usb_hub_wq hub_event 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: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000100000 RDX: 0000000000000400 RSI: ffff888028bc1e80 RDI: ffff888028bc1f00 RBP: dffffc0000000000 R08: ffff88804e6d87c7 R09: 1ffff11009cdb0f8 R10: dffffc0000000000 R11: ffffed1009cdb0f9 R12: 000000003eb249e4 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888028bc1e80 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5e6a0ffe00 CR3: 000000002d63a000 CR4: 00000000003526f0 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+0x9f7/0xf50 kernel/printk/printk.c:3083 Code: 1f 00 90 0f 0b 90 e9 f3 f9 ff ff e8 33 fe 1f 00 e8 5e 40 4b 0a 4d 85 f6 74 c0 e8 24 fe 1f 00 fb 49 bd 00 00 00 00 00 fc ff df <43> 80 3c 2f 00 48 8b 5c 24 30 74 08 48 89 df e8 35 86 88 00 4c 8b RSP: 0018:ffffc900044fed20 EFLAGS: 00000283 RAX: ffffffff81740cdc RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc90013e9e000 RSI: 0000000000007adf RDI: 0000000000007ae0 RBP: ffffc900044feeb0 R08: ffffffff81740c83 R09: 1ffffffff26f6700 R10: dffffc0000000000 R11: fffffbfff26f6701 R12: ffffffff8f171b40 R13: dffffc0000000000 R14: 0000000000000200 R15: 1ffffffff1e2e373 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3153 vprintk_emit+0x87d/0xa10 kernel/printk/printk.c:2399 dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4921 dev_printk_emit+0xdd/0x120 drivers/base/core.c:4932 _dev_notice+0x122/0x170 drivers/base/core.c:4989 usb_get_configuration+0x47b5/0x4dc0 drivers/usb/core/config.c:949 usb_enumerate_device drivers/usb/core/hub.c:2483 [inline] usb_new_device+0x14a/0x19a0 drivers/usb/core/hub.c:2621 hub_port_connect drivers/usb/core/hub.c:5521 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x2d6d/0x5150 drivers/usb/core/hub.c:5903 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: 90 nop 1: 0f 0b ud2 3: 90 nop 4: e9 f3 f9 ff ff jmp 0xfffff9fc 9: e8 33 fe 1f 00 call 0x1ffe41 e: e8 5e 40 4b 0a call 0xa4b4071 13: 4d 85 f6 test %r14,%r14 16: 74 c0 je 0xffffffd8 18: e8 24 fe 1f 00 call 0x1ffe41 1d: fb sti 1e: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13 25: fc ff df * 28: 43 80 3c 2f 00 cmpb $0x0,(%r15,%r13,1) <-- trapping instruction 2d: 48 8b 5c 24 30 mov 0x30(%rsp),%rbx 32: 74 08 je 0x3c 34: 48 89 df mov %rbx,%rdi 37: e8 35 86 88 00 call 0x888671 3c: 4c rex.WR 3d: 8b .byte 0x8b