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AJvYcCWwx/OkjwquvSLQDYMF0g3bgrf2JH0JaWiEEB+0VRXs90X7LU/5+xb75mqlKxxtxSPblYuEJywDguX3VGg=@vger.kernel.org X-Gm-Message-State: AOJu0Yyy0ldlAGug5cncjHfGJZgmcHKTKg9VmqiTeO4lofDrAG6wCJQ4 NsgvKIbgc9hleLAQaP2ijUjAvBaDevejYnaTkxrPEugKm/1FyHApW0jqZ8s0TLitJTOopPbaaph besVDNDeR34QiUCLZWBRfkr9cEDV0lUJSFhte0zPi7cB5xlwE6g6XQiw= X-Google-Smtp-Source: AGHT+IGtTduv27dw2iXD86Lo3CIKLQBYjSpbC4tosT+BE9iiUMBTYFGsYRLmktEgwtwuySlKclT5Fltw5WkQatTg95WaokB1DVA0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1689:b0:3d4:28c0:1692 with SMTP id e9e14a558f8ab-3d5ccdc1e0bmr89764765ab.5.1743175284806; Fri, 28 Mar 2025 08:21:24 -0700 (PDT) Date: Fri, 28 Mar 2025 08:21:24 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67e6be74.050a0220.2f068f.007e.GAE@google.com> Subject: [syzbot] [net?] WARNING in tls_strp_msg_load From: syzbot To: borisp@nvidia.com, davem@davemloft.net, dhowells@redhat.com, dsahern@kernel.org, edumazet@google.com, horms@kernel.org, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@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: ccc2f5a436fb net: dsa: mt7530: Fix traffic flooding for MM.. git tree: net console+strace: https://syzkaller.appspot.com/x/log.txt?x=17494a64580000 kernel config: https://syzkaller.appspot.com/x/.config?x=5b4c41bdaeea1964 dashboard link: https://syzkaller.appspot.com/bug?extid=b4cd76826045a1eb93c1 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=141203a8580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=131e24b7980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/3aefdb8b7ff7/disk-ccc2f5a4.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/96e0fd0ea0ad/vmlinux-ccc2f5a4.xz kernel image: https://storage.googleapis.com/syzbot-assets/e7c4310217a6/bzImage-ccc2f5a4.xz The issue was bisected to: commit c5c37af6ecad955acad82a440b812eb9cd73f77f Author: David Howells Date: Mon May 22 12:11:14 2023 +0000 tcp: Convert do_tcp_sendpages() to use MSG_SPLICE_PAGES bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15cf8878580000 final oops: https://syzkaller.appspot.com/x/report.txt?x=17cf8878580000 console output: https://syzkaller.appspot.com/x/log.txt?x=13cf8878580000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b4cd76826045a1eb93c1@syzkaller.appspotmail.com Fixes: c5c37af6ecad ("tcp: Convert do_tcp_sendpages() to use MSG_SPLICE_PAGES") ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5834 at net/tls/tls_strp.c:486 tls_strp_msg_load+0x72e/0xa80 net/tls/tls_strp.c:486 Modules linked in: CPU: 0 UID: 0 PID: 5834 Comm: syz-executor412 Not tainted 6.14.0-rc4-syzkaller-00210-gccc2f5a436fb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:tls_strp_msg_load+0x72e/0xa80 net/tls/tls_strp.c:486 Code: 5c 24 18 e9 72 fc ff ff e8 cf b8 31 f7 90 0f 0b 90 e9 91 f9 ff ff e8 c1 b8 31 f7 90 0f 0b 90 e9 be f9 ff ff e8 b3 b8 31 f7 90 <0f> 0b 90 eb 84 e8 a8 b8 31 f7 90 0f 0b 90 e9 8c fe ff ff 89 d9 80 RSP: 0018:ffffc90003e7f700 EFLAGS: 00010293 RAX: ffffffff8a90068d RBX: ffff88802a9f24dc RCX: ffff888034e0bc00 RDX: 0000000000000000 RSI: 000000000000001f RDI: 0000000000000000 RBP: ffffc90003e7f7f0 R08: ffffffff8a9002fe R09: 1ffff110062bf36c R10: dffffc0000000000 R11: ffffed10062bf36d R12: ffff88802a9f24d0 R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000001f FS: 0000555585cc3480(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000400000000218 CR3: 00000000347a8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tls_rx_rec_wait+0x280/0xa60 net/tls/tls_sw.c:1363 tls_sw_recvmsg+0x85c/0x1c30 net/tls/tls_sw.c:2043 inet6_recvmsg+0x2c9/0x730 net/ipv6/af_inet6.c:678 sock_recvmsg_nosec net/socket.c:1023 [inline] sock_recvmsg+0x109/0x280 net/socket.c:1045 __sys_recvfrom+0x202/0x380 net/socket.c:2237 __do_sys_recvfrom net/socket.c:2252 [inline] __se_sys_recvfrom net/socket.c:2248 [inline] __x64_sys_recvfrom+0xde/0x100 net/socket.c:2248 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: 0033:0x7f382a3c83a9 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe3fe269d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002d RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f382a3c83a9 RDX: 0000000000001ff4 RSI: 0000400000000100 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe3fe26c58 R14: 0000000000000001 R15: 0000000000000001 --- 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. For information about bisection process see: https://goo.gl/tpsmEJ#bisection If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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