------------[ cut here ]------------
WARNING: CPU: 1 PID: 5239 at kernel/sched/fair.c:5337 place_entity+0x463/0x520 kernel/sched/fair.c:5337
Modules linked in:
CPU: 1 UID: 0 PID: 5239 Comm: syz-executor Not tainted 6.11.0-rc4-next-20240820-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: ffff888020801e80 RDI: ffff888020801f00
RBP: dffffc0000000000 R08: ffffffff81358241 R09: 1ffffffff20318f0
R10: dffffc0000000000 R11: fffffbfff20318f1 R12: 000000001e38fc28
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888020801e80
FS: 000055557ef3b500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcdcfccc44 CR3: 0000000066714000 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+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
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:ffffc90003b7f660 EFLAGS: 00000293
RAX: 1ffff9200076ff18 RBX: 0000000000000000 RCX: ffff888065113c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003b7f810 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
_btrfs_printk+0x5ae/0x5e0 fs/btrfs/messages.c:247
btrfs_put_super+0x69/0x80 fs/btrfs/super.c:74
generic_shutdown_super+0x139/0x2d0 fs/super.c:642
kill_anon_super+0x3b/0x70 fs/super.c:1237
btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2121
deactivate_locked_super+0xc4/0x130 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x24f/0x310 kernel/task_work.c:228
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8520d7b1a7
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffddf279298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8520d7b1a7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffddf279350
RBP: 00007ffddf279350 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffddf27a3d0
R13: 00007f8520de77b4 R14: 00000000000109e3 R15: 00007ffddf27a410
----------------
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