------------[ cut here ]------------ WARNING: CPU: 1 PID: 6929 at net/netfilter/nft_set_pipapo.c:2355 nft_pipapo_destroy+0x8b0/0x960 net/netfilter/nft_set_pipapo.c:2355 Modules linked in: CPU: 1 PID: 6929 Comm: kworker/1:19 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Workqueue: events nf_tables_trans_destroy_work RIP: 0010:nft_pipapo_destroy+0x8b0/0x960 net/netfilter/nft_set_pipapo.c:2355 Code: 24 80 3c 18 00 74 08 4c 89 f7 e8 fb 3b 81 f9 49 c7 06 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 a0 07 3c f9 <0f> 0b e9 ad f7 ff ff 48 c7 c1 f0 20 8b 8d 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc90004637a68 EFLAGS: 00010293 RAX: ffffffff883d0d00 RBX: ffff8881483430f0 RCX: ffff88802bbfbb80 RDX: 0000000000000000 RSI: ffff888148343000 RDI: ffff888072896928 RBP: ffffc90004637c30 R08: ffff88802bbfbb80 R09: 0000000000000008 R10: 0000000000000018 R11: 0000000000000000 R12: ffff8881483430c0 R13: dffffc0000000000 R14: ffff888148343110 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3fef526158 CR3: 000000002679e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nft_set_destroy+0x488/0xa30 net/netfilter/nf_tables_api.c:4972 nft_commit_release net/netfilter/nf_tables_api.c:8872 [inline] nf_tables_trans_destroy_work+0xc5d/0xf00 net/netfilter/nf_tables_api.c:8912 process_one_work+0x867/0xff0 kernel/workqueue.c:2310 worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457 kthread+0x42e/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287