From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f205.google.com (mail-il1-f205.google.com [209.85.166.205]) (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 17B6A23C50D for ; Tue, 3 Jun 2025 15:31:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.205 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748964691; cv=none; b=bvs3wiLSdixF//3hHgtJV9qfwbpXEVMZv1zsYbk4NtDrARYzkJ//i93gtt999tOBg3uiivTQm0xqPapBugcRVSD7YhVUrGvSEiKbzUTGNU5AhaOZJzRCjWDARr3J5FEBc2tirPrXG96HFr9ur+R3PicFTPACfPSxuLehbib5mRU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748964691; c=relaxed/simple; bh=PFXJYGFLtLX7vFLrt0z8PSAtWdECtHV3t2TAjCiIyF0=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=B32vRlFR8hCf9Y3aTC0VH7x0vGLjBM1JGXlkToD7O78bFli1IKsuaIluFgCsFfLq8ncJL3N/CxEVBHF+uJYyH65Tua09VzbcWK5kdIWVXNy0uJmFOqiQZhY1hdMm027CbK3+F7XM/fmvCWpSc51tqNaEgUhLpZ1y2I0rXA9B0OE= 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=209.85.166.205 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-il1-f205.google.com with SMTP id e9e14a558f8ab-3dda45216f6so32284305ab.3 for ; Tue, 03 Jun 2025 08:31:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1748964689; x=1749569489; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=GAVSA8Z20LfJYI8icc/3dunATI/t7i9/bRad+C4O4Xc=; b=ihzGa454F1HE2/HFcFkRbUE59nix4Ctq9iE/AtO31OwqIsVNl8RDvTv9OV8H3axWbQ IcJAVY450kAdUhlTtesveFu/663iLL3BGhd21VsGVYpgpbLygfMOJhQfGBUwzKpdCXlj y4pBZ+xFywaV4tf9BqF0lmBuJXMJMvuIGXLzmfl/guMlXegacNEIqdhVwnR+w+bWr3RW hWpVKaPs7ddXeAd0X3lL+7Z15hrmeiIGC1fRoz2VzCcTTKcCgPtnp5Kz2sfhzRyk5DMY e4RK5ULuiVTD6dF0PMVYjUV7NTbu7keaKeU+ydOVkb4kr5xk194SwwtiiBDiC/+EXTIh i0Qg== X-Forwarded-Encrypted: i=1; AJvYcCUeOoUQjJbZxAKgHtK7gXiO3ce4J/8J4C6AoN//1ETH/mQRWHnOWIf2J6eVT6W3t2qNDJh1reobz/mMjqc=@vger.kernel.org X-Gm-Message-State: AOJu0Ywe5TlfDGn2iBs2W6t2rpvbiBSE2tHHl/uj40pjIyfQxCKZqyb9 0WRPhEaggVuxtasAZzO7KZCkwRaIJQJcuL3ZU23AJYBc/eLSZxLs0Z1jBPzesurS29LSs+fwe9f yrZV8XfQ8/xVHijGndwAmCEmP0CwxaBZGZ8/Ia5k9OiW83Ks/k0oNcO5gdnU= X-Google-Smtp-Source: AGHT+IGKu2HbwU02zkRnkBN+6fEeYWhnjL9Z+Yug9QKyorhWRczyHHu96xE+PHUz0q0+ck5gsb/d2JLCI2sC7S6zjMkhJmUNG6lx Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:16c5:b0:3dd:b4f4:2bba with SMTP id e9e14a558f8ab-3ddb4f42c4fmr68966565ab.22.1748964689170; Tue, 03 Jun 2025 08:31:29 -0700 (PDT) Date: Tue, 03 Jun 2025 08:31:29 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <683f1551.050a0220.55ceb.0016.GAE@google.com> Subject: [syzbot] [net?] WARNING in ipmr_rules_exit (2) From: syzbot To: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, horms@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-usb@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: 342e4955a1f1 usb: usbtmc: Fix timeout value in get_stb git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing console output: https://syzkaller.appspot.com/x/log.txt?x=135a19f4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=cc73a376913a3005 dashboard link: https://syzkaller.appspot.com/bug?extid=a25af2d6c990a65eca95 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/3d4486b9330e/disk-342e4955.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b0b416348409/vmlinux-342e4955.xz kernel image: https://storage.googleapis.com/syzbot-assets/053a330bcf59/bzImage-342e4955.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a25af2d6c990a65eca95@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13600 at net/ipv4/ipmr.c:440 ipmr_free_table net/ipv4/ipmr.c:440 [inline] WARNING: CPU: 0 PID: 13600 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0 net/ipv4/ipmr.c:361 Modules linked in: CPU: 0 UID: 0 PID: 13600 Comm: syz-executor Not tainted 6.15.0-rc6-syzkaller-00166-g342e4955a1f1 #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:ipmr_free_table net/ipv4/ipmr.c:440 [inline] RIP: 0010:ipmr_rules_exit+0x13a/0x1c0 net/ipv4/ipmr.c:361 Code: ff df 48 c1 ea 03 80 3c 02 00 75 7c 48 c7 85 58 09 00 00 00 00 00 00 5b 5d 41 5c 41 5d 41 5e c3 cc cc cc cc e8 d7 79 16 fb 90 <0f> 0b 90 eb 93 e8 cc 79 16 fb 0f b6 1d 73 37 05 04 31 ff 89 de e8 RSP: 0018:ffffc90014e2fc10 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88812c1dc000 RCX: ffffffff8665f0fd RDX: ffff8881222c9d40 RSI: ffffffff8665f169 RDI: 0000000000000005 RBP: ffff88812ea70000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88812ea70958 R14: ffff88812ea70000 R15: fffffbfff148e04c FS: 000055558afcb500(0000) GS:ffff8882691c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc07c1d33d0 CR3: 000000014620e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ipmr_net_exit_batch+0x53/0xa0 net/ipv4/ipmr.c:3160 ops_exit_list+0x128/0x180 net/core/net_namespace.c:177 setup_net+0x4e8/0x850 net/core/net_namespace.c:396 copy_net_ns+0x2a6/0x5f0 net/core/net_namespace.c:518 create_new_namespaces+0x3ea/0xad0 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:228 ksys_unshare+0x45b/0xa40 kernel/fork.c:3375 __do_sys_unshare kernel/fork.c:3446 [inline] __se_sys_unshare kernel/fork.c:3444 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:3444 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f31d7a50167 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 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:00007ffe9bbc8f18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f31d7c75f40 RCX: 00007f31d7a50167 RDX: 0000000000000005 RSI: 00007ffe9bbc8de0 RDI: 0000000040000000 RBP: 00007f31d7c76738 R08: 00007f31d87a7d60 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000008 R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000 --- 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