------------[ cut here ]------------ WARNING: CPU: 1 PID: 24 at mm/slub.c:4550 slab_free_after_rcu_debug+0x18b/0x270 mm/slub.c:4550 Modules linked in: CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.11.0-rc2-next-20240806-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:ffffc900001e7a00 EFLAGS: 00010286 RAX: ffff88823be00000 RBX: ffff888020386f00 RCX: 0000000000036fe0 RDX: ffffea0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900001e7c70 R08: ffffffff8142d2ec R09: 1ffffffff26e90eb R10: dffffc0000000000 R11: ffffffff81f0fff0 R12: dffffc0000000000 R13: ffffffff817beef6 R14: ffff88823be36fe0 R15: ffffea000080e000 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000e734000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_do_batch kernel/rcu/tree.c:2569 [inline] rcu_core+0xafd/0x1830 kernel/rcu/tree.c:2843 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