syzbot

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WARNING: CPU: 0 PID: 16 at mm/slub.c:4550 slab_free_after_rcu_debug+0x18b/0x270 mm/slub.c:4550
Modules linked in:
CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.11.0-rc2-next-20240809-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:slab_free_after_rcu_debug+0x18b/0x270 mm/slub.c:4550
Code: 48 89 04 19 48 8d 4a 08 49 8b 34 24 65 48 0f c7 0e 75 c8 4c 89 f7 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 36 55 ff ff 90 <0f> 0b 90 eb 92 90 0f 0b 90 eb 8c 90 0f 0b 90 eb 86 41 8b 54 24 1c
RSP: 0000:ffffc90000157a00 EFLAGS: 00010286
RAX: ffff88823be00000 RBX: ffff88802c494000 RCX: 00000000000bcfe0
RDX: ffffea0000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000157c70 R08: ffffffff8142e7cc R09: 1ffffffff26eb903
R10: dffffc0000000000 R11: ffffffff81f13a00 R12: ffffffff817c10e7
R13: ffff88823bebcfe8 R14: ffff88823bebcfe0 R15: ffffea0000b12500
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88823ffff000 CR3: 000000000e734000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rcu_do_batch kernel/rcu/tree.c:2567 [inline]
 rcu_core+0xaaa/0x17a0 kernel/rcu/tree.c:2823
 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
 run_ksoftirqd+0xca/0x130 kernel/softirq.c:928
 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>