------------[ cut here ]------------ WARNING: CPU: 0 PID: 4315 at net/netfilter/nft_set_pipapo.c:2384 nft_pipapo_destroy+0x87d/0x8e0 net/netfilter/nft_set_pipapo.c:2384 Modules linked in: CPU: 0 PID: 4315 Comm: kworker/0:4 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+0x87d/0x8e0 net/netfilter/nft_set_pipapo.c:2384 Code: 24 80 3c 18 00 74 08 4c 89 f7 e8 ee be 46 f9 49 c7 06 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 63 62 f5 f8 <0f> 0b e9 e0 f7 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c ea f9 RSP: 0000:ffffc900047b7a68 EFLAGS: 00010293 RAX: ffffffff888ce41d RBX: ffff8880207db0f0 RCX: ffff88801db65a00 RDX: 0000000000000000 RSI: ffff8880207db000 RDI: ffff888024412028 RBP: ffffc900047b7c30 R08: ffff88801db65a00 R09: 0000000000000008 R10: 0000000000000018 R11: 0000000000000000 R12: ffff8880207db0c0 R13: dffffc0000000000 R14: ffff8880207db110 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fd1eff8 CR3: 000000007cb30000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nft_set_destroy+0x489/0xa30 net/netfilter/nf_tables_api.c:5070 nft_commit_release net/netfilter/nf_tables_api.c:9111 [inline] nf_tables_trans_destroy_work+0xb81/0xdf0 net/netfilter/nf_tables_api.c:9151 process_one_work+0x8ab/0x1160 kernel/workqueue.c:2292 process_scheduled_works kernel/workqueue.c:2355 [inline] worker_thread+0xdd1/0x12a0 kernel/workqueue.c:2444 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295