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Thu, 12 Dec 2024 02:58:06 -0800 (PST) Date: Thu, 12 Dec 2024 02:58:06 -0800 In-Reply-To: <20241212033040.3361429-1-lizhi.xu@windriver.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <675ac1be.050a0220.20c8bc.0001.GAE@google.com> Subject: Re: [syzbot] [net?] [afs?] WARNING in rxrpc_send_data From: syzbot To: linux-kernel@vger.kernel.org, lizhi.xu@windriver.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: WARNING in rxrpc_send_data ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6894 at net/rxrpc/sendmsg.c:296 rxrpc_alloc_txqueue net/rxrpc/sendmsg.c:296 [inline] WARNING: CPU: 1 PID: 6894 at net/rxrpc/sendmsg.c:296 rxrpc_send_data+0x2969/0x2b30 net/rxrpc/sendmsg.c:390 Modules linked in: CPU: 1 UID: 0 PID: 6894 Comm: syz.0.74 Not tainted 6.13.0-rc1-syzkaller-00407-g96b6fcc0ee41-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:rxrpc_alloc_txqueue net/rxrpc/sendmsg.c:296 [inline] RIP: 0010:rxrpc_send_data+0x2969/0x2b30 net/rxrpc/sendmsg.c:390 Code: 24 48 48 89 de e8 37 35 ab f6 4c 39 f3 b8 00 fe ff ff 41 bf fc ff ff ff 44 0f 44 f8 45 31 f6 e9 71 fd ff ff e8 38 30 ab f6 90 <0f> 0b 90 48 8b 7c 24 28 e8 4a d0 09 f7 e9 46 fd ff ff 89 d9 80 e1 RSP: 0018:ffffc9000217f3a0 EFLAGS: 00010293 RAX: ffffffff8af441e8 RBX: ffff888064916500 RCX: ffff888030ef5a00 RDX: 0000000000000000 RSI: 00000000000000ff RDI: ffff8880792ee440 RBP: ffffc9000217f650 R08: ffff8880792ee43f R09: 0000000000000000 R10: ffff8880792ee340 R11: ffffed100f25dc88 R12: ffff8880649164c8 R13: 1ffff1100c922c9f R14: ffff8880792ee000 R15: 0000000000000000 FS: 00007fc5a3d7d6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020005c00 CR3: 000000003143c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rxrpc_do_sendmsg+0x1569/0x1910 net/rxrpc/sendmsg.c:763 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2583 ___sys_sendmsg net/socket.c:2637 [inline] __sys_sendmmsg+0x36a/0x720 net/socket.c:2726 __do_sys_sendmmsg net/socket.c:2753 [inline] __se_sys_sendmmsg net/socket.c:2750 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2750 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc5a2f7ff19 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:00007fc5a3d7d058 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fc5a3145fa0 RCX: 00007fc5a2f7ff19 RDX: 0000000000000001 RSI: 0000000020005c00 RDI: 0000000000000003 RBP: 00007fc5a2ff3cc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc5a3145fa0 R15: 00007ffd4836f878 Tested on: commit: 96b6fcc0 Merge branch 'net-dsa-cleanup-eee-part-1' git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=12b084f8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=1362a5aee630ff34 dashboard link: https://syzkaller.appspot.com/bug?extid=ff11be94dfcd7a5af8da compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=11c2acdf980000