sch_tbf: burst 4398 is lower than device lo mtu (65550) ! ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6736 at net/rxrpc/sendmsg.c:296 rxrpc_alloc_txqueue net/rxrpc/sendmsg.c:296 [inline] WARNING: CPU: 1 PID: 6736 at net/rxrpc/sendmsg.c:296 rxrpc_send_data+0x2969/0x2b30 net/rxrpc/sendmsg.c:390 Modules linked in: CPU: 1 UID: 0 PID: 6736 Comm: syz.0.161 Not tainted 6.13.0-rc2-syzkaller-00378-g5098462fbac6 #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 27 37 b3 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 28 32 b3 f6 90 <0f> 0b 90 48 8b 7c 24 28 e8 ca f5 0d f7 e9 46 fd ff ff 89 d9 80 e1 RSP: 0018:ffffc900030f73a0 EFLAGS: 00010293 RAX: ffffffff8aec2c18 RBX: ffff88805e007b80 RCX: ffff88805f3b0000 RDX: 0000000000000000 RSI: 00000000000000ff RDI: ffff88805d36e440 RBP: ffffc900030f7650 R08: ffff88805d36e43f R09: 0000000000000000 R10: ffff88805d36e340 R11: ffffed100ba6dc88 R12: ffff88805e007b48 R13: 1ffff1100bc00f6f R14: ffff88805d36e000 R15: 0000000000000000 FS: 00007fe4c69d36c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020514ff4 CR3: 00000000793de000 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: 0033:0x7fe4c5b85d19 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:00007fe4c69d3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fe4c5d76080 RCX: 00007fe4c5b85d19 RDX: 0000000000000001 RSI: 0000000020000180 RDI: 0000000000000078 RBP: 00007fe4c5c01a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe4c5d76080 R15: 00007ffd29684d18