From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f198.google.com (mail-oi1-f198.google.com [209.85.167.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2D1A030C157 for ; Sun, 18 Oct 2026 03:13:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792293225; cv=none; b=mqh16M9TtvS3ZAiELwi+PAgbdPbEDBke+fv/FfowE5/PIOqYaYXo6v6+xlKShGjUKs2FM7Af+KNdMZQzOpVbqu6kniMLeJggLLGbSmPf2hD5Un3Pcd8G0HCPoAvcxI4gPdu8r8oAVQZ/GIgVaUMXrHf7wEDntZ27yTX6XpK9duI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792293225; c=relaxed/simple; bh=A+vfuO7ROmtWXBPzpK7EUmQ9O/cmbMOIA/GzzeWpEtU=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=JeB7EZujGnsO++VU7Y7CXVMFfxaYYL2zFZOk8NzYsW7R6cycCFOqDFxPEtELEu+APU3HBubO5KvXK1ercxnfBmiJn99/j05wJSjldpRQw9pSlZJfdiL+OEpEwu16m6onZdA8VHzZFvDa25BH+rAgGkYlqQeO6+okw2cZJklzvCo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.167.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oi1-f198.google.com with SMTP id 5614622812f47-4b2d1eb484aso1905214b6e.2 for ; Sat, 17 Oct 2026 20:13:42 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1792293222; x=1792898022; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=C55urHXM8JlROycY9AfN15KmNEJWdk4MSj4BGdwapNY=; b=hmusE9XK9r5mWnNMOlDVqzIV6sHjb8OheYHR7eyXJzWUqhLQGGSJp50yiusb6oLqkI eCpQe89CzivsLx3wCtOQTEhauyWLc7+NDX5+sp1UWI15wZ4cLr1FY74EQaDtaGGj2N2s w+YPUv35i7QuVj/yGiEHCDZ+QMJEDuurw7wSlHYO9I5019ikW20RIoUnRtCggolQ+2QR 9GsFNWVZc/D8ik/EEMOkSca3ytqAN2vIqJ+6/Zc0yXkufhEJN6BsRSVH4UMQc5wgBezY VVqYvgo3PCrnl7cOcK6AhSy4oSFcCX02v5pY832XwIGpv31lpUMuFe1LBweX63hO8jJL poMQ== X-Forwarded-Encrypted: i=1; AKwUvBwT7EEe3cHHrPIHYxajlGisQgT00AN9RAs/3jOvagnKV6ATXq3p770BLMzVWQ5ipOd9wwoQ10RJWg22h6g=@vger.kernel.org X-Gm-Message-State: AFq9FYKdCtWau0Fb0qM/lwY/qgEwcLOKeLnB2WLTcZHTDg9CVVgT4hU0 lZ4w29Q7gDR78JE3cw4wU92IlYk8z6qzuYgem2Y/39lmWzNO6qmLO6iYC/8qxbtYGuVMzVgz+6x ImO9G1yP0NubN5tIIHCRASSzRuc2KkFE6EgCQBI9omD1SsHQyNPIBt90ENuA= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:2224:b0:4f4:fc4e:77e9 with SMTP id 5614622812f47-53ccf4ebfa1mr4414588b6e.42.1792293222065; Sat, 17 Oct 2026 20:13:42 -0700 (PDT) Date: Sat, 17 Oct 2026 20:13:42 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ad43966.a6d1a155.34a93f.006e.GAE@google.com> Subject: [syzbot] [net?] INFO: trying to register non-static key in dst_destroy From: syzbot To: davem@davemloft.net, edumazet@kernel.org, horms@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 7a19f0cc94ad Merge branch 'for-next/core' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=154e0f01580000 kernel config: https://syzkaller.appspot.com/x/.config?x=26d6221a572842ac dashboard link: https://syzkaller.appspot.com/bug?extid=de0b38c748fd9021e85f compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12e49621580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/296cd4b77dbf/disk-7a19f0cc.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e57669ed895f/vmlinux-7a19f0cc.xz kernel image: https://storage.googleapis.com/syzbot-assets/c679c1ad76d4/Image-7a19f0cc.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+de0b38c748fd9021e85f@syzkaller.appspotmail.com nvme nvme0: request 0x1a genctr mismatch (got 0xc expected 0x2) nvme nvme0: invalid id 49178 completed on queue 0 nvme nvme0: request 0x1b genctr mismatch (got 0xc expected 0x2) nvme nvme0: invalid id 49179 completed on queue 0 INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 0 UID: 0 PID: 4383 Comm: kworker/0:3 Tainted: G M syzkaller #0 PREEMPT Tainted: [M]=MACHINE_CHECK Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 Workqueue: rcu_gp process_srcu Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 assign_lock_key+0xcc/0xdc kernel/locking/lockdep.c:1028 register_lock_class+0xf8/0x31c kernel/locking/lockdep.c:1343 __lock_acquire+0x140/0x2b08 kernel/locking/lockdep.c:5162 lock_acquire+0x13c/0x320 kernel/locking/lockdep.c:5942 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:155 [inline] _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:181 ref_tracker_free+0x114/0x6b4 lib/ref_tracker.c:310 netdev_tracker_free include/linux/netdevice.h:4551 [inline] netdev_put include/linux/netdevice.h:4568 [inline] dst_destroy+0xf4/0x2c0 net/core/dst.c:115 dst_destroy_rcu+0x20/0x30 net/core/dst.c:133 rcu_do_batch kernel/rcu/tree.c:2650 [inline] rcu_core+0x790/0xfbc kernel/rcu/tree.c:2919 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2936 handle_softirqs+0x324/0xcbc kernel/softirq.c:645 __do_softirq+0x14/0x20 kernel/softirq.c:679 ____do_softirq+0x10/0x1c arch/arm64/kernel/irq.c:78 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:901 do_softirq_own_stack+0x1c/0x28 arch/arm64/kernel/irq.c:83 invoke_softirq kernel/softirq.c:526 [inline] __irq_exit_rcu+0x10c/0x318 kernel/softirq.c:758 irq_exit_rcu+0x14/0x84 kernel/softirq.c:775 __el1_irq arch/arm64/kernel/entry-common.c:569 [inline] el1_interrupt+0x40/0x60 arch/arm64/kernel/entry-common.c:581 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:586 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:602 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable arch/arm64/include/asm/irqflags.h:48 [inline] (P) __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:219 [inline] (P) _raw_spin_unlock_irq+0x34/0x80 kernel/locking/spinlock.c:229 (P) try_check_zero+0xf8/0x4f0 kernel/rcu/srcutree.c:1132 srcu_advance_state kernel/rcu/srcutree.c:1845 [inline] process_srcu+0x2f8/0x13b8 kernel/rcu/srcutree.c:1954 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3479 worker_thread+0x798/0xbd0 kernel/workqueue.c:3560 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 list_add corruption. prev is NULL. ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:26! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 4383 Comm: kworker/0:3 Tainted: G M syzkaller #0 PREEMPT Tainted: [M]=MACHINE_CHECK Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 Workqueue: rcu_gp process_srcu pstate: 634000c5 (nZCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : __list_add_valid_or_report+0xcc/0x148 lib/list_debug.c:25 lr : __list_add_valid_or_report+0xcc/0x148 lib/list_debug.c:25 sp : ffff80008f7e7b40 x29: ffff80008f7e7b40 x28: 1fffe000191988ed x27: ffff0000c8cc4768 x26: ffff0000c8cc4760 x25: dfff800000000000 x24: ffff700011efcf74 x23: 1fffe0001ac2ca28 x22: 0000000000000000 x21: ffff0000d6165140 x20: 0000000000000000 x19: ffff0000c8cc4700 x18: 00000000ffffffff x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 00000000000006b6 x13: 0000000000000001 x12: 0000000000000003 x11: 0000000000000000 x10: 0000000000000103 x9 : 10c42bc48b746e00 x8 : 10c42bc48b746e00 x7 : 0000000000000001 x6 : ffff800080483084 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80008048db84 x2 : 0000000000000102 x1 : ffff0000c6ecd880 x0 : 0000000000000022 Call trace: __list_add_valid_or_report+0xcc/0x148 lib/list_debug.c:25 (P) __list_add_valid include/linux/list.h:104 [inline] __list_add include/linux/list.h:169 [inline] list_add_tail include/linux/list.h:206 [inline] list_move_tail include/linux/list.h:357 [inline] ref_tracker_free+0x248/0x6b4 lib/ref_tracker.c:329 dst_des --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup