From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f80.google.com (mail-io1-f80.google.com [209.85.166.80]) (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 7F802321F30 for ; Tue, 9 Sep 2025 11:39:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757417974; cv=none; b=ihikj75r33lkXXRwAPgccv4Ft6pZ6rTnan0YFXkkKFdM7gUR73/7jMfARwytuJzybbKO72OZD+/QF8J9gWBN3PRcgomSy0ezoJH8HvyjN4if3Bpu5WnE6/AOFeYhvV6pzsg05Qx0+1quX3xjqrXFda9/asMOsEceC6jMdsRprPA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757417974; c=relaxed/simple; bh=mtfgJC6mRhWeUBamsoa21BCrYCeBPdeJ0l1lldAejIA=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=tN3ZIX8qc1MT2p1UsSoJUC/ZDTYBRln+x1T9NHR9ZPrE1B97BDoRNdFoaOmqSeKQ/ODhuVMCAxvCyFiOYEdIMg2SMPiAKVHAhuVOJqgLw1Ugzb0UYmdRcP1oRrz/OywzZqtepaKY9wD4OVnPKGbpVoWSP114aNP1k+mgE5ckufg= 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=209.85.166.80 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-io1-f80.google.com with SMTP id ca18e2360f4ac-8870219dce3so515130339f.0 for ; Tue, 09 Sep 2025 04:39:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757417971; x=1758022771; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=0DR1NbwOuCzEmWu0AkP/aduI1He0ADmflanoaSiOmxk=; b=dBtiXUTa+dMli9ygQTd+WiTfUqAYY4hJiQI6THKLGNtrOUn/Jvi3PA11pPdaaA9Frs 0HKei7f+iAAq/m0WiJ5807kKFMb2qoeLM8I2ZzskKd2shtmItJDuAQTDBZ6OjFGbtzDP y/CBE3mB9Zfrn5e/CP2jAwB3Y/E3ZxCaSGMeXqkr3Kn53ZwZLN5idRt0czKY+ZlLuZYl vhVCtPIMshFBVSNDYd5/HYRUZVIxr+5r1fpC6Z7ckeDOKG9jclcqxcnLnKCcc4I3Tx8N CDPaV4ZHZ4etyPFgV914CtUOmCYmymoygxJP3ODFQ+8m/NbKdVy/B6I72pe4SDiGN6Aa 1yjQ== X-Forwarded-Encrypted: i=1; AJvYcCVn/DOr8TOVeBZTb9rb0lChGaCbZTPgW5BqjsjFaygXy2xtLqLx2KJ0GuiXRa5ayB3tMJ4uSRpwLUyi2FIzrbAzZNQ=@vger.kernel.org X-Gm-Message-State: AOJu0YwM6M65pQAb54dxykxhyUnLd7H/3gqC3LMuBWMnI7Zt+ZJsB/50 VAyX8rcOnaoFKg58Qphf+Zve0eOqTwLpb2wMNl0Etz9UzHyZqCSGuUSoSF9ereTnvkkUf5u7qkM bMYk+s0rVvy/DhJBkbZxp70Rc08ANtk1mE9xuESTTja5HzfvEiDmkoRx4Zgk= X-Google-Smtp-Source: AGHT+IF62rkxMyBfjOX8r3B7ezx1SAJDtsbixOyF1uN6h+vq0suHWhPGowKv7zE5VUYKTqLk5spLkMq/1EwguJXacmhYt/7RATzz Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1b06:b0:3f3:4562:ca92 with SMTP id e9e14a558f8ab-3fd8e98d28cmr172816265ab.10.1757417971719; Tue, 09 Sep 2025 04:39:31 -0700 (PDT) Date: Tue, 09 Sep 2025 04:39:31 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68c011f3.050a0220.2ff435.0003.GAE@google.com> Subject: [syzbot] [trace?] WARNING in tracepoint_add_func (3) From: syzbot To: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, mhiramat@kernel.org, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: d69eb204c255 Merge tag 'net-6.17-rc5' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14f67162580000 kernel config: https://syzkaller.appspot.com/x/.config?x=fecbb496f75d3d61 dashboard link: https://syzkaller.appspot.com/bug?extid=eb730f6ee28e001e5a2e compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/a6f2a6d6a06c/disk-d69eb204.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/3767a1bdccea/vmlinux-d69eb204.xz kernel image: https://storage.googleapis.com/syzbot-assets/2387e35c8e78/bzImage-d69eb204.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+eb730f6ee28e001e5a2e@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 20575 at kernel/tracepoint.c:294 tracepoint_add_func+0xbf2/0xea0 kernel/tracepoint.c:294 Modules linked in: CPU: 0 UID: 0 PID: 20575 Comm: syz.3.1826 Tainted: G I syzkaller #0 PREEMPT(full) Tainted: [I]=FIRMWARE_WORKAROUND Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:tracepoint_add_func+0xbf2/0xea0 kernel/tracepoint.c:294 Code: 54 12 fe ff 90 0f 0b 90 0f b6 74 24 43 31 ff bb ea ff ff ff e8 1f 0d fe ff 80 7c 24 44 00 0f 84 77 fb ff ff e8 2f 12 fe ff 90 <0f> 0b 90 e9 69 fb ff ff e8 21 12 fe ff 48 8b 44 24 10 48 8d 78 18 RSP: 0018:ffffc90004b3fb48 EFLAGS: 00010287 RAX: 000000000000128b RBX: ffffffffffffffef RCX: ffffc9000cf8c000 RDX: 0000000000080000 RSI: ffffffff81bcf8a1 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: ffffffff8e645aa0 R15: ffffffff81c3bd00 FS: 00007f88b35446c0(0000) GS:ffff8881246bd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33600ff8 CR3: 000000004752c000 CR4: 00000000003526f0 Call Trace: tracepoint_probe_register_prio+0xbc/0x100 kernel/tracepoint.c:464 register_trace_prio_sched_switch include/trace/events/sched.h:220 [inline] register_pid_events kernel/trace/trace_events.c:2390 [inline] event_pid_write.isra.0+0x480/0x7f0 kernel/trace/trace_events.c:2461 vfs_write+0x29d/0x11d0 fs/read_write.c:684 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f88b278ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f88b3544038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f88b29c5fa0 RCX: 00007f88b278ebe9 RDX: 000000000000fdf3 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f88b2811e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f88b29c6038 R14: 00007f88b29c5fa0 R15: 00007ffc283ad408 --- 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 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