linux-kernel - Re: [syzbot] [staging?] [usb?] WARNING in r8712_usb_write_mem/usb_submit

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Message-ID: <000000000000ab5261061ec7f15c@google.com>
Date: Sat, 03 Aug 2024 07:06:02 -0700
From: syzbot <syzbot+ca2eaaadab55de6a5a42@...kaller.appspotmail.com>
To: florian.c.schilhabel@...glemail.com, gregkh@...uxfoundation.org, 
	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org, 
	linux-staging@...ts.linux.dev, linux-usb@...r.kernel.org, 
	namcao@...utronix.de, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [staging?] [usb?] WARNING in r8712_usb_write_mem/usb_submit_urb
 (2)

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
WARNING in r8712_usb_write_mem/usb_submit_urb

ep_out[2] type=2
ep_out[3] type=0
ep_out[4] type=1
rtl8712_dl_fw:230
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 3 != type 1
WARNING: CPU: 1 PID: 2586 at drivers/usb/core/urb.c:503 usb_submit_urb+0xe4b/0x1730 drivers/usb/core/urb.c:503
Modules linked in:
CPU: 1 UID: 0 PID: 2586 Comm: dhcpcd Not tainted 6.10.0-syzkaller-12562-g1722389b0d86-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:usb_submit_urb+0xe4b/0x1730 drivers/usb/core/urb.c:503
Code: 84 3c 02 00 00 e8 a5 eb fe fc 4c 89 ef e8 2d 21 d7 fe 45 89 e0 89 e9 4c 89 f2 48 89 c6 48 c7 c7 40 18 a0 87 e8 96 dc c4 fc 90 <0f> 0b 90 90 e9 e9 f8 ff ff e8 77 eb fe fc 49 81 c4 c0 05 00 00 e9
RSP: 0018:ffffc90004acf678 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff888128648700 RCX: ffffffff81194ce9
RDX: ffff88810db70000 RSI: ffffffff81194cf6 RDI: 0000000000000001
RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
R13: ffff888115b8f0a8 R14: ffff888103aa5560 R15: ffff88812864877c
FS:  00007f06eaa79740(0000) GS:ffff8881f6300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b92c582068 CR3: 000000010c70c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 r8712_usb_write_mem+0x2e4/0x3f0 drivers/staging/rtl8712/usb_ops_linux.c:170
 rtl8712_dl_fw+0xa03/0x1310 drivers/staging/rtl8712/hal_init.c:231
 rtl8712_hal_init drivers/staging/rtl8712/hal_init.c:360 [inline]
 rtl871x_hal_init+0xb3/0x190 drivers/staging/rtl8712/hal_init.c:424
 netdev_open+0xea/0x800 drivers/staging/rtl8712/os_intfs.c:397
 __dev_open+0x2d4/0x4e0 net/core/dev.c:1474
 __dev_change_flags+0x561/0x720 net/core/dev.c:8837
 dev_change_flags+0x8f/0x160 net/core/dev.c:8909
 devinet_ioctl+0x127a/0x1f10 net/ipv4/devinet.c:1177
 inet_ioctl+0x3aa/0x3f0 net/ipv4/af_inet.c:1003
 sock_do_ioctl+0x116/0x280 net/socket.c:1222
 sock_ioctl+0x22e/0x6c0 net/socket.c:1341
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f06eab47d49
Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
RSP: 002b:00007fffa5c56198 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f06eaa796c0 RCX: 00007f06eab47d49
RDX: 00007fffa5c66388 RSI: 0000000000008914 RDI: 0000000000000005
RBP: 00007fffa5c76548 R08: 00007fffa5c66348 R09: 00007fffa5c662f8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffa5c66388 R14: 0000000000000028 R15: 0000000000008914
 </TASK>


Tested on:

commit:         1722389b Merge tag 'net-6.11-rc1' of git://git.kernel...
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
console output: https://syzkaller.appspot.com/x/log.txt?x=131843bd980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e3044dca4d5f6dbe
dashboard link: https://syzkaller.appspot.com/bug?extid=ca2eaaadab55de6a5a42
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=10b25b03980000