------------[ cut here ]------------
WARNING: CPU: 1 PID: 5522 at kernel/fork.c:971 __put_task_struct+0x231/0x290 kernel/fork.c:971
Modules linked in:
CPU: 1 UID: 0 PID: 5522 Comm: syz.3.46 Not tainted 6.11.0-rc5-next-20240827-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__put_task_struct+0x231/0x290 kernel/fork.c:971
Code: ff ff ff e9 5d ff ff ff e8 7c 72 3f 00 90 0f 0b 90 e9 34 fe ff ff e8 6e 72 3f 00 90 0f 0b 90 e9 63 fe ff ff e8 60 72 3f 00 90 <0f> 0b 90 e9 6c fe ff ff e8 52 72 3f 00 48 89 df be 03 00 00 00 e8
RSP: 0018:ffffc90000a18ba8 EFLAGS: 00010246
RAX: ffffffff81549c00 RBX: 0000000000000000 RCX: ffff888021feda00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff81549a51 R09: 1ffff110043fdb45
R10: dffffc0000000000 R11: ffffed10043fdb46 R12: dffffc0000000000
R13: ffff888021fef170 R14: ffff888021feda00 R15: ffff888021fef168
FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020097030 CR3: 0000000062274000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
put_task_struct include/linux/sched/task.h:139 [inline]
delayed_put_task_struct+0x125/0x300 kernel/exit.c:228
rcu_do_batch kernel/rcu/tree.c:2567 [inline]
rcu_core+0xaaa/0x17a0 kernel/rcu/tree.c:2823
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>