From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f69.google.com (mail-ot1-f69.google.com [209.85.210.69]) (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 E0ABD1D9346 for ; Tue, 17 Feb 2026 13:02:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771333351; cv=none; b=plbpSO9mdj0YvQ9eJUPB2Q1m8+BXWtHet0hIWgQlj/r0oWrLQwMZakGjd8LBlEcX4zMA674HIztP80SrL9Q6EassvaiHtgNA4+0xMpQGFVT/3Gx/CQQHzpmYigyMRyPlzHUh6yBwH6xI/i2eCU7UnjTXO51Q0L5u8ZmNlpyF1bs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771333351; c=relaxed/simple; bh=WPLsCNhn1thEVcrjq5zrjx51VConz1BGX1lMEFRyp98=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=WeOlZx7a3ouSREsk6Zh+LSkgRpD1C7ooNqDhTgC/JbjOE7jrN0a7hrYZGv8U8OOOoT/JkgQxNJfbLG5G37DhUjKYYFa4muyNBCZ5SKoJAcjd+bjM6Lpa+/ZNYmzhYtUPpmhOPZRlL6+xKi2ZmwZEiQ7wxPQ8pOXj36P2e4WrZ6g= 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=209.85.210.69 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-ot1-f69.google.com with SMTP id 46e09a7af769-7d192f35a9dso35988108a34.3 for ; Tue, 17 Feb 2026 05:02:29 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771333349; x=1771938149; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=J0jM1VBHOq9P06C8jciHsqOrZxRSemPvh+Y7cAs4mFs=; b=Ry227LetNWMwd8bx+7sgV9goeTpkq4h1/mNT6RaTteQpkoM5os3AP7II2foKnGJbmu gSgZvLq1/umdKxOL9OmJCaRmco+Xb4/IKSPf8yJdTyz7K1/fH9Qao/92Xdbb/KtKVkrE fJ6HsL09+kCafcbHYcPsNpsBveuF9zECypAjv6Pf680ifD01NQDr/JSU88kBKxCs4We4 ya2dag9ny9tBbQ65xemwdBtGWMkN43ukGr2WHWQxeZumP4sthYmR6mWgOrapcJqjUNWy rfqDPEsiwZtvcN725MYHrWd4diUvbqwvBGv8ceFWDdThcsaVC4lJcaAfr804h/BgOH8Z TwAA== X-Forwarded-Encrypted: i=1; AJvYcCWwJBS0frogyk0/Ppey1EU2oJO189UOshU/1W13lhu9KEKLPNDPsMpscQ91BsSnovPu0XA5D8ZDBa2dq6U=@vger.kernel.org X-Gm-Message-State: AOJu0YyAUs71COIBrfHSPz8PgOtw+b3mWb5x84SH7yHVGYoy0ysDIjbK pKRnnczYsfE6ZAcMX2HWPQsCusyt0yYxzMNNXMIlliYYHSpGEHTJWbMjfqplIEiBl4IjTSFk+NP 4hX6+EgiD6FdC8jD4cUOXJQsuqW6wCM6pcOJjfSF+W11DM3XD7Cb986HvZZY= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1c83:b0:664:7c2b:c79f with SMTP id 006d021491bc7-6785c22b085mr5636380eaf.73.1771333348986; Tue, 17 Feb 2026 05:02:28 -0800 (PST) Date: Tue, 17 Feb 2026 05:02:28 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <699466e4.a70a0220.2c38d7.00ff.GAE@google.com> Subject: [syzbot] [can?] INFO: trying to register non-static key in bcm_can_tx From: syzbot To: linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, socketcan@hartkopp.net, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: cee73b1e840c Merge tag 'riscv-for-linus-7.0-mw1' of git://.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=172d2c02580000 kernel config: https://syzkaller.appspot.com/x/.config?x=f71c66df48515cc1 dashboard link: https://syzkaller.appspot.com/bug?extid=5b11eccc403dd1cea9f8 compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11c8415a580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12a2fa52580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/9e927e1d94c1/disk-cee73b1e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2203b2372c8f/vmlinux-cee73b1e.xz kernel image: https://storage.googleapis.com/syzbot-assets/ab3f368371b6/bzImage-cee73b1e.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5b11eccc403dd1cea9f8@syzkaller.appspotmail.com 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: 5983 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 assign_lock_key kernel/locking/lockdep.c:984 [inline] register_lock_class+0x549/0x560 kernel/locking/lockdep.c:1299 __lock_acquire+0x3cb/0x2630 kernel/locking/lockdep.c:5112 lock_acquire kernel/locking/lockdep.c:5868 [inline] lock_acquire+0x17c/0x330 kernel/locking/lockdep.c:5825 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:347 [inline] bcm_can_tx.part.0+0x79/0x890 net/can/bcm.c:305 bcm_can_tx net/can/bcm.c:301 [inline] bcm_rx_handler+0x6fa/0x880 net/can/bcm.c:731 deliver net/can/af_can.c:575 [inline] can_rcv_filter+0x2a4/0x900 net/can/af_can.c:609 can_receive+0x2cb/0x500 net/can/af_can.c:674 can_rcv+0x29e/0x300 net/can/af_can.c:699 __netif_receive_skb_one_core+0x1b2/0x1e0 net/core/dev.c:6149 __netif_receive_skb+0x1f/0x120 net/core/dev.c:6262 process_backlog+0x37a/0x1580 net/core/dev.c:6614 __napi_poll.constprop.0+0xaf/0x450 net/core/dev.c:7678 napi_poll net/core/dev.c:7741 [inline] net_rx_action+0xa40/0xf20 net/core/dev.c:7893 handle_softirqs+0x1ea/0x910 kernel/softirq.c:622 do_softirq kernel/softirq.c:523 [inline] do_softirq+0xac/0xe0 kernel/softirq.c:510 __local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:450 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:924 [inline] __dev_queue_xmit+0x7f1/0x46f0 net/core/dev.c:4856 dev_queue_xmit include/linux/netdevice.h:3384 [inline] can_send+0x5d7/0xbd0 net/can/af_can.c:279 raw_sendmsg+0xdf9/0x1480 net/can/raw.c:1000 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] ____sys_sendmsg+0xa54/0xc30 net/socket.c:2592 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2646 __sys_sendmsg+0x170/0x220 net/socket.c:2678 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fab0c99bf79 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff12c0b798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fab0cc15fa0 RCX: 00007fab0c99bf79 RDX: 0000000020044850 RSI: 0000200000000240 RDI: 0000000000000003 RBP: 00007fab0ca327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fab0cc15fac R14: 00007fab0cc15fa0 R15: 00007fab0cc15fa0 --- 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