From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f206.google.com (mail-il1-f206.google.com [209.85.166.206]) (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 BE5286ADD for ; Sun, 5 Oct 2025 17:39:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759685989; cv=none; b=PJekhbq0kxuMNo27pamA+Dv+Yuc4hagmAYoG0qm9fHe1OkrWvSoLHFaC8xcwh1wOUY3E0topuPLTKxi/jGvQ2AjkNKCB9tOZE/cGJIzyMMzTorGtNN64y+eSaC5AFodLj1fRMW+owAdKyZVPT6QopR9lupVYYl4RXoe2wKCVj6s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759685989; c=relaxed/simple; bh=nGMZlh8YRXJFiwj1WHQWX3DEZ/YTq1nxUfTioYgrzEE=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=Jp6s6W+/vm8XQZbJk9+1/aW0eYhwP6g6fWAOvbo9Bg6kCciNX61LYb9TH43FIc5Fy6TPw48RkOIKiAhPP/a0E5KCIGtTEZltoJ4DxZnPAs7rpI+vX/dDrPGjGB+XBCShpg35Jm4MQSBiV1cRazaclErncbfPAng8XH+kxbORjVE= 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=209.85.166.206 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-f206.google.com with SMTP id e9e14a558f8ab-42f65c920dcso29833475ab.2 for ; Sun, 05 Oct 2025 10:39:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759685987; x=1760290787; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=UM/s2stlbkbjMDBqjadsHrnvi+SIhkGISTSy+AXGwiI=; b=UP5FVTqOnM6l+7slGwGlDFnMd/XZQ0AFwaJumY3L7e1A8K280G4/uVBD2jQUmO/zmw EDUyAFLJjV/FSkYZ7ic8mwPWn88sF9LEWeXgyhHTrYGTKMomYbAFObtW6koHoyrAhQsN maIRxBxPVRkbrQU2ei1UWSodFc13FlESbbZHOCfVau37Cr2IcVeNijwxUvYvpoPEURwQ 1l8P/QRjjSZaz11haFbo7Cwjs/ZfFSNmGqU5SUNwTaD2pZIJdj+1W3lM/rTmF6benebl 33Qj6+AMnPCl8nj/NzWYkO8pvPCWXxoGPg34uTSp/Y/iTlAUM2StgAc/w/yXiVsKkrzm Rtog== X-Forwarded-Encrypted: i=1; AJvYcCXB8kIyMPlykWW9XDmZTNmrZSsoVI6Pc7i3SbwwWdrMIDuR5Tu2S5zwTXqWylmASC4ksNfLHi+c7ZM91Ok=@vger.kernel.org X-Gm-Message-State: AOJu0YyKEP2UQoyRtNGydp4CJaW6C6upvtQ+qAirZVXK/80RiHfLCx/f 4OsVlPxARm2BYcF1lTT1PfqL6ZAcxHafVTq76eLvPvkDBA3ATZYD2wJs2dRuQgOXBmR8mEG9lHg M2B1+IQBkTD3xyKW34JGpmdYdIysnuUQFbtdjC0ywadoK+lEAir6OS45q0sM= X-Google-Smtp-Source: AGHT+IFdNHa3yHnwgUcHEAKF175+o/JdTd73vogzQbGtwiKpPd5+lgXkDQhfcQyCVNSsI1AtNs52jPtyEfsoAVwu73jso91W3hIE 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:b41:b0:42d:7dea:1e09 with SMTP id e9e14a558f8ab-42e7ad6ea2fmr120047055ab.21.1759685986895; Sun, 05 Oct 2025 10:39:46 -0700 (PDT) Date: Sun, 05 Oct 2025 10:39:46 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68e2ad62.a00a0220.2ba410.0018.GAE@google.com> Subject: [syzbot] [net?] WARNING in xfrm_state_migrate (2) From: syzbot To: davem@davemloft.net, edumazet@google.com, herbert@gondor.apana.org.au, horms@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, steffen.klassert@secunet.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 4b946f6bb7d6 selftests/bpf: Fix realloc size in bpf_get_ad.. git tree: bpf console output: https://syzkaller.appspot.com/x/log.txt?x=13be46e2580000 kernel config: https://syzkaller.appspot.com/x/.config?x=8f1ac8502efee0ee dashboard link: https://syzkaller.appspot.com/bug?extid=5cd6299ede4d4f70987b 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/f0ef71bdead6/disk-4b946f6b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/0c8251d5df12/vmlinux-4b946f6b.xz kernel image: https://storage.googleapis.com/syzbot-assets/29bad3cdad16/bzImage-4b946f6b.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5cd6299ede4d4f70987b@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 30386 at net/xfrm/xfrm_state.c:800 __xfrm_state_destroy net/xfrm/xfrm_state.c:800 [inline] WARNING: CPU: 0 PID: 30386 at net/xfrm/xfrm_state.c:800 xfrm_state_put include/net/xfrm.h:928 [inline] WARNING: CPU: 0 PID: 30386 at net/xfrm/xfrm_state.c:800 xfrm_state_migrate+0x13bc/0x1b10 net/xfrm/xfrm_state.c:2165 Modules linked in: CPU: 0 UID: 0 PID: 30386 Comm: syz.6.7969 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:__xfrm_state_destroy net/xfrm/xfrm_state.c:800 [inline] RIP: 0010:xfrm_state_put include/net/xfrm.h:928 [inline] RIP: 0010:xfrm_state_migrate+0x13bc/0x1b10 net/xfrm/xfrm_state.c:2165 Code: da fd de f7 90 0f 0b 90 e9 ab fa ff ff e8 cc fd de f7 4c 89 f7 be 03 00 00 00 e8 0f f0 a4 fa e9 77 fb ff ff e8 b5 fd de f7 90 <0f> 0b 90 e9 f6 fe ff ff e8 a7 fd de f7 eb d9 44 89 f1 80 e1 07 38 RSP: 0018:ffffc90003afecc0 EFLAGS: 00010287 RAX: ffffffff89df782b RBX: ffff888029ffc880 RCX: 0000000000080000 RDX: ffffc90020769000 RSI: 0000000000000213 RDI: 0000000000000214 RBP: 0000000000000001 R08: ffff888029ffc8eb R09: 1ffff110053ff91d R10: dffffc0000000000 R11: ffffed10053ff91e R12: dffffc0000000000 R13: 1ffff9200075fe2a R14: ffff888029ffc8e8 R15: ffff888079932200 FS: 00007fe59aadf6c0(0000) GS:ffff888126373000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c31a411 CR3: 00000000280be000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300 DR3: 0000000000000000 DR6: 00000000ffff0ff1 DR7: 0000000000000600 Call Trace: xfrm_migrate+0xefa/0x2330 net/xfrm/xfrm_policy.c:4669 xfrm_do_migrate+0x796/0x900 net/xfrm/xfrm_user.c:3144 xfrm_user_rcv_msg+0x7a0/0xab0 net/xfrm/xfrm_user.c:3501 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552 xfrm_netlink_rcv+0x79/0x90 net/xfrm/xfrm_user.c:3523 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:729 ____sys_sendmsg+0x505/0x830 net/socket.c:2617 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2671 __sys_sendmsg net/socket.c:2703 [inline] __do_sys_sendmsg net/socket.c:2708 [inline] __se_sys_sendmsg net/socket.c:2706 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2706 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: 0033:0x7fe599b8eec9 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:00007fe59aadf038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fe599de6090 RCX: 00007fe599b8eec9 RDX: 0000000000042000 RSI: 0000200000000380 RDI: 0000000000000005 RBP: 00007fe599c11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe599de6128 R14: 00007fe599de6090 R15: 00007ffdb88a6108 --- 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