------------[ cut here ]------------
WARNING: CPU: 1 PID: 5409 at kernel/sched/fair.c:5337 place_entity+0x463/0x520 kernel/sched/fair.c:5337
Modules linked in:
CPU: 1 UID: 0 PID: 5409 Comm: syz.1.41 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:ffffc90000a184c0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000100000
RDX: 0000000000000400 RSI: ffff88802b410080 RDI: ffff88802b410100
RBP: dffffc0000000000 R08: ffffffff81358221 R09: 1ffffffff2038260
R10: dffffc0000000000 R11: fffffbfff2038261 R12: 000000001100c0fd
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88802b410080
FS:  00007f0c8080d6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff0e9f5ff8 CR3: 000000001f85a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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+0x61/0xc0 kernel/sched/core.c:2056
 attach_task+0xee/0x190 kernel/sched/fair.c:9549
 attach_tasks kernel/sched/fair.c:9584 [inline]
 sched_balance_rq+0x65b1/0x8590 kernel/sched/fair.c:11661
 sched_balance_domains+0x565/0xa90 kernel/sched/fair.c:12069
 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1037
 </IRQ>
 <TASK>
 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:ffffc90004547080 EFLAGS: 00000283
RAX: ffffffff817410ac RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90004a31000 RSI: 00000000000287d9 RDI: 00000000000287da
RBP: ffffc90004547210 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
 _btrfs_printk+0x5ae/0x5e0 fs/btrfs/messages.c:247
 btrfs_start_pre_rw_mount+0xf20/0x1300 fs/btrfs/disk-io.c:3011
 open_ctree+0x24f4/0x2a10 fs/btrfs/disk-io.c:3556
 btrfs_fill_super fs/btrfs/super.c:965 [inline]
 btrfs_get_tree_super fs/btrfs/super.c:1888 [inline]
 btrfs_get_tree+0xe7a/0x1920 fs/btrfs/super.c:2114
 vfs_get_tree+0x90/0x2a0 fs/super.c:1800
 fc_mount+0x1b/0xb0 fs/namespace.c:1231
 btrfs_get_tree_subvol fs/btrfs/super.c:2077 [inline]
 btrfs_get_tree+0x652/0x1920 fs/btrfs/super.c:2115
 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: 0033:0x7f0c7f97b61a
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:00007f0c8080ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f0c8080cef0 RCX: 00007f0c7f97b61a
RDX: 00000000200055c0 RSI: 0000000020000100 RDI: 00007f0c8080ceb0
RBP: 00000000200055c0 R08: 00007f0c8080cef0 R09: 0000000000000008
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000020000100
R13: 00007f0c8080ceb0 R14: 00000000000055a3 R15: 0000000020000200
 </TASK>
----------------
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