From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f208.google.com (mail-il1-f208.google.com [209.85.166.208]) (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 C4360222560 for ; Wed, 3 Sep 2025 16:20:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.208 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756916440; cv=none; b=EZLL5sd1AgRQqtfXkOwG3Ht0smbib6e4On5SOp4gzoHmCgP2MHn0J7IoogSkQbKgfvqmjxx/QMFF9JJjZmQ0DjPzV679jADNOK5ymcHYsbnfITC+b3TWuNxkjYI8vbyskk9w6vcqw/A5uwcrTjpd98U7vACzkJM3qBMCHqqVHzI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756916440; c=relaxed/simple; bh=MJ+hOYM0xYx9RTqyxpkuDg/HtSLuqe1fKTmw6TmqLtU=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=u4HyNjC9tbwZC1BMS/oyO608W572SyiPCJCCU1hbQCw3gMI0t/F4XacK6EaDzRWP/QxrkAl5MDOwYOS7elY0vBM86VS255vPZa3mCYqFxJmTsl8+Lyd3kQ1rm5vNFBGA+OFDTX/VRZ5JIQX+MS+51OXkGGDooRdmMMFOteJs5Ig= 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=209.85.166.208 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-f208.google.com with SMTP id e9e14a558f8ab-3f568d603e9so142705ab.2 for ; Wed, 03 Sep 2025 09:20:38 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756916438; x=1757521238; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=ne1sbICVvddwd6AuruJKbf9hL2yygBbdnhHoBV7WzMY=; b=CGUrrcnRRj1CL2c2qNM2VBjMqlJTdAjLfbXbQQtk7WKUkuNMOgP00mWEX+PJagRO04 OTXy0FH7RWMUwWIbieqeFYiJOVr3P0VQsA+/cdoD8p71wOOUlgIsBsCsgkFjpISxWZks OC2aRnFpcA/oyxp0wYLlhcl5kV7yd5NfXz78xjfmdRXX9OXbfvMFyeoeJViG/S2mlqzQ ojPkvkeKM2xWNr75YZG43GWqDHmH3UfO0un+BYw1gEK8IYu/jNg28gR33KAijzYBn7Qy 2MCJAQN6/izccn+awuy7v/EKMh9C5fq4m5zsXpR371nPwk1x++VzIyXfQ2bG1/HWBa+8 cKZQ== X-Forwarded-Encrypted: i=1; AJvYcCWjlYQUrKTc1t8klghR+3+s80smPSYl6mAslLVYFPxssH3YYP/JHT6bN7nvxMv1wwumUYDEfqa2L2BtKAU=@vger.kernel.org X-Gm-Message-State: AOJu0YyJ1pimT5WkCagJanQ3t7HbZWl3cCuy3/Fplly3W7fwt4qfm3Dn utx6tIVC1EJ29joVaxGdtyjFTu2riAwa4x3yQR8pQdzVV44dtvpNkV9mGnDtxC+OmVXBQHmjNic IyZwbO53+lh++wBm6ahSdF9pkCmPEYMMhA+TNfNw2KI3meYbSjVtLhrXHnss= X-Google-Smtp-Source: AGHT+IHqE/81WZO4JO1QzMvBbgv3oJ8HqsxCqArABYMYFUBGB3SugcnkXjmJD/4AO0BM6d1frLLLS5dZYT8SgCLAtul39VCWRfN+ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c26d:0:b0:3e5:5357:6dd4 with SMTP id e9e14a558f8ab-3f401fcf532mr241983595ab.20.1756916437900; Wed, 03 Sep 2025 09:20:37 -0700 (PDT) Date: Wed, 03 Sep 2025 09:20:37 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68b86ad5.050a0220.3db4df.01f7.GAE@google.com> Subject: [syzbot] [net?] [bpf?] WARNING in sock_hash_delete_elem (2) From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, horms@kernel.org, jakub@cloudflare.com, john.fastabend@gmail.com, kuba@kernel.org, kuniyu@google.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, willemb@google.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 5c3b3264e585 Merge tag 'x86_urgent_for_v6.17_rc4' of git:/.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=142cae34580000 kernel config: https://syzkaller.appspot.com/x/.config?x=bd9738e00c1bbfb4 dashboard link: https://syzkaller.appspot.com/bug?extid=ca62aaf39105978cd946 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/37953b384dff/disk-5c3b3264.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/df5cc1c4e51d/vmlinux-5c3b3264.xz kernel image: https://storage.googleapis.com/syzbot-assets/2ed6195eae9f/bzImage-5c3b3264.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ca62aaf39105978cd946@syzkaller.appspotmail.com ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(this_cpu_read(softirq_ctrl.cnt)) WARNING: CPU: 1 PID: 9889 at kernel/softirq.c:172 __local_bh_disable_ip+0x342/0x400 kernel/softirq.c:172 Modules linked in: CPU: 1 UID: 0 PID: 9889 Comm: syz.3.1233 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__local_bh_disable_ip+0x342/0x400 kernel/softirq.c:172 Code: 0f b6 04 28 84 c0 0f 85 b5 00 00 00 83 3d 59 8e 98 0d 00 75 19 90 48 c7 c7 00 b2 09 8b 48 c7 c6 40 b2 09 8b e8 df 61 fe ff 90 <0f> 0b 90 90 90 e9 fc fd ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f RSP: 0018:ffffc9000439f980 EFLAGS: 00010246 RAX: 313d6c056ac6e300 RBX: 1ffff92000873f34 RCX: 0000000000080000 RDX: ffffc9000e563000 RSI: 000000000000025d RDI: 000000000000025e RBP: ffffc9000439fa80 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1017124863 R12: 1ffff110049edc89 R13: dffffc0000000000 R14: ffffffff8184ca61 R15: ffff888024f6e44c FS: 00007f22097a66c0(0000) GS:ffff8881269c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000504d4000 CR4: 00000000003526f0 DR0: 0000000000000006 DR1: 0000000000000003 DR2: 0000000000000401 DR3: 0000000000000404 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: local_bh_disable include/linux/bottom_half.h:20 [inline] spin_lock_bh include/linux/spinlock_rt.h:87 [inline] sock_hash_delete_elem+0xc6/0x320 net/core/sock_map.c:952 bpf_prog_0fcbc4c83748eeda+0x46/0x4e bpf_dispatcher_nop_func include/linux/bpf.h:1332 [inline] __bpf_prog_run include/linux/filter.h:718 [inline] bpf_prog_run include/linux/filter.h:725 [inline] bpf_prog_run_pin_on_cpu include/linux/filter.h:742 [inline] bpf_flow_dissect+0x132/0x400 net/core/flow_dissector.c:1024 bpf_prog_test_run_flow_dissector+0x37c/0x5c0 net/bpf/test_run.c:1416 bpf_prog_test_run+0x2ca/0x340 kernel/bpf/syscall.c:4590 __sys_bpf+0x581/0x870 kernel/bpf/syscall.c:6047 __do_sys_bpf kernel/bpf/syscall.c:6139 [inline] __se_sys_bpf kernel/bpf/syscall.c:6137 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6137 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f220b53ebe9 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:00007f22097a6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f220b775fa0 RCX: 00007f220b53ebe9 RDX: 0000000000000050 RSI: 0000200000000180 RDI: 000000000000000a RBP: 00007f220b5c1e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f220b776038 R14: 00007f220b775fa0 R15: 00007fff2055aba8 --- 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