------------[ cut here ]------------ WARNING: CPU: 1 PID: 5328 at kernel/sched/fair.c:5337 place_entity+0x463/0x520 kernel/sched/fair.c:5337 Modules linked in: CPU: 1 UID: 0 PID: 5328 Comm: syz.2.8 Not tainted 6.11.0-rc4-next-20240822-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 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: ffffffffff01bc00 RBX: ffffffffffffc06f RCX: 0000000000100000 RDX: 0000000000000400 RSI: ffff888028435a80 RDI: ffff888028435b00 RBP: dffffc0000000000 R08: ffff888029ea4487 R09: 1ffff110053d4890 R10: dffffc0000000000 R11: ffffed10053d4891 R12: 0000000007a27ba5 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888028435a80 FS: 00007f2f1ab716c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff706047d60 CR3: 000000002dd80000 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+0x9f7/0xf50 kernel/printk/printk.c:3083 Code: 1f 00 90 0f 0b 90 e9 f3 f9 ff ff e8 c3 ef 1f 00 e8 8e 2f 4b 0a 4d 85 f6 74 c0 e8 b4 ef 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 95 76 88 00 4c 8b RSP: 0018:ffffc900041df2e0 EFLAGS: 00000283 RAX: ffffffff817410ac RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000a72a000 RSI: 0000000000016075 RDI: 0000000000016076 RBP: ffffc900041df470 R08: ffffffff81741053 R09: 1ffffffff26f6300 R10: dffffc0000000000 R11: fffffbfff26f6301 R12: ffffffff8f171840 R13: dffffc0000000000 R14: 0000000000000200 R15: 1ffffffff1e2e313 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3153 vprintk_emit+0x87d/0xa10 kernel/printk/printk.c:2399 _printk+0xd5/0x120 kernel/printk/printk.c:2424 __xfs_printk fs/xfs/xfs_message.c:24 [inline] xfs_printk_level+0x1ca/0x320 fs/xfs/xfs_message.c:44 xfs_qm_quotacheck+0x155/0x6f0 fs/xfs/xfs_qm.c:1321 xfs_qm_mount_quotas+0x345/0x630 fs/xfs/xfs_qm.c:1493 xfs_mountfs+0x1993/0x2020 fs/xfs/xfs_mount.c:980 xfs_fs_fill_super+0x11a6/0x1420 fs/xfs/xfs_super.c:1753 get_tree_bdev+0x3f7/0x570 fs/super.c:1635 vfs_get_tree+0x90/0x2a0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2f19d7b61a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2f1ab70e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f2f1ab70ef0 RCX: 00007f2f19d7b61a RDX: 0000000020000000 RSI: 0000000020009780 RDI: 00007f2f1ab70eb0 RBP: 0000000020000000 R08: 00007f2f1ab70ef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020009780 R13: 00007f2f1ab70eb0 R14: 000000000000986d R15: 0000000020000140 ---------------- 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 c3 ef 1f 00 call 0x1fefd1 e: e8 8e 2f 4b 0a call 0xa4b2fa1 13: 4d 85 f6 test %r14,%r14 16: 74 c0 je 0xffffffd8 18: e8 b4 ef 1f 00 call 0x1fefd1 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 95 76 88 00 call 0x8876d1 3c: 4c rex.WR 3d: 8b .byte 0x8b