From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f78.google.com (mail-io1-f78.google.com [209.85.166.78]) (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 3B8CF196 for ; Sat, 8 Mar 2025 00:02:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.78 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741392145; cv=none; b=BDzkiihE/I9jvZG7a+reyuFaDjSbDrEj5bnbWxt51ls/fHB++qaKyRop1j2W7NoJyJcSOF1Kqeai6vj6IqUdAQSm44iTUkEq73tOUP4k112DA4TouhoaliN4GdN/EfePXWJQNhVxqwlBW8HrggP1rLLLRjVr9JP1p4/MCrP0eZs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741392145; c=relaxed/simple; bh=ym1gKgOZ8ndKCiW+GNMSZAf87EHU8Np/pIBi7mjUyIk=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=gIZVo4diwqVaxagXjiWYt/YJr188q3PMVWSWVxt1pDaqHlkLx3FJY5Ab8p/g5BfqzfvpekgHLfw+SANZ/UuFj814FxdBNdSqNybssB3bczOMzymvemilE4JUzyxSULY8HS07yNAlPeY+3C6XEDlsph78jVVGksM36WZ9I/UwQn0= 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=209.85.166.78 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-f78.google.com with SMTP id ca18e2360f4ac-851c4ef08b9so479371539f.0 for ; Fri, 07 Mar 2025 16:02:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741392142; x=1741996942; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=6aqiyu/dMFS2r2s9XJYkQ3e5hk4SFcF8VLw2o4Me4TA=; b=j0Yr1TDRJcVnebFh/GBe20FqCozIA5WsfLq014zqWNXI6XXFVoSQSlJ+GK5T1I0Z+Z Rfo/sPOAq6HkYmYaHsnp9p6YFDo8DEXy7pZJLyWVymvea9XWxo9BialoMjweV/5BGfIZ a1Gumbjb2w60MaUrNaseO5BfCuklh0lZUZZeUef29jR4BLDbRSVUizogAyNljs0MXsyt isL/pPb3iHfTtu5Ji1wMlqegN6sRQsmiUvLnjENI4ik81XcSDvwbIBXTAt8KoLZHQyDS yTReNJ2iiuHo+cprWsrTEVdh/Lh3oYFtPT9wYem9AYg55k9eH6Js7e6rg/fkFBTlx4Aq E3CA== X-Gm-Message-State: AOJu0Yz84FHdz1TO6PsBXLL/Oc1uIivbeHcH+vF4R60ZmybRxuYkg0yc RC/VfErZCdtTYXc8BRS8iuL0DCx2KpMoBRG+YMey573AuATEo4fPc7xoVByiD+gbM535fIR6m+g PwF7Iecf87nEmnEFN/IweLTLDDxwzSJp4ZH7hygPGSONMz3t663rPMJe4WA== X-Google-Smtp-Source: AGHT+IHJS5UKipvwJ5J6WhKRzJ7o8MTTNQFTg3AaCTXOp39f+S12aD5X8AfKPF2ytEaMAq6+ZhsmgyXO/BrX8cU/sNx/WIWcZPdT Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c0b:b0:3d3:d4f0:271d with SMTP id e9e14a558f8ab-3d44196ff85mr69187845ab.12.1741392142308; Fri, 07 Mar 2025 16:02:22 -0800 (PST) Date: Fri, 07 Mar 2025 16:02:22 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67cb890e.050a0220.d8275.022e.GAE@google.com> Subject: [syzbot] [trace?] WARNING in tracepoint_add_func (2) 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: 7eb172143d55 Linux 6.14-rc5 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11b9a464580000 kernel config: https://syzkaller.appspot.com/x/.config?x=bed8205d3b84ef81 dashboard link: https://syzkaller.appspot.com/bug?extid=161412ccaeff20ce4dde 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/06a492964134/disk-7eb17214.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/83adeaa22219/vmlinux-7eb17214.xz kernel image: https://storage.googleapis.com/syzbot-assets/7386164633ed/bzImage-7eb17214.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+161412ccaeff20ce4dde@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 12326 at kernel/tracepoint.c:294 tracepoint_add_func+0xbfc/0xeb0 kernel/tracepoint.c:294 Modules linked in: CPU: 1 UID: 0 PID: 12326 Comm: syz.6.10325 Tainted: G U 6.14.0-rc5-syzkaller #0 Tainted: [U]=USER Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:tracepoint_add_func+0xbfc/0xeb0 kernel/tracepoint.c:294 Code: 09 fe ff 90 0f 0b 90 0f b6 74 24 43 31 ff 41 bc ea ff ff ff e8 45 04 fe ff 80 7c 24 44 00 0f 84 74 fb ff ff e8 95 09 fe ff 90 <0f> 0b 90 e9 66 fb ff ff e8 87 09 fe ff 48 8b 44 24 10 48 8d 78 18 RSP: 0018:ffffc9000414fb48 EFLAGS: 00010283 RAX: 00000000000012a1 RBX: ffffffff8e240ae0 RCX: ffffc90014b78000 RDX: 0000000000080000 RSI: ffffffff81bbd78b RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffffffffffffef R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff81c264f0 FS: 00007f27217f66c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e80dff8 CR3: 00000000268f8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tracepoint_probe_register_prio+0xc0/0x110 kernel/tracepoint.c:464 register_trace_prio_sched_switch include/trace/events/sched.h:222 [inline] register_pid_events kernel/trace/trace_events.c:2354 [inline] event_pid_write.isra.0+0x439/0x7a0 kernel/trace/trace_events.c:2425 vfs_write+0x24c/0x1150 fs/read_write.c:677 ksys_write+0x12b/0x250 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f272398d169 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:00007f27217f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f2723ba5fa0 RCX: 00007f272398d169 RDX: 0000000000100082 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f2723a0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2723ba5fa0 R15: 00007ffe80f479d8 --- 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