Message-ID: <00000000000096ee8f061e991433@google.com>
Date: Wed, 31 Jul 2024 23:11:24 -0700
From: syzbot <syzbot+92c6dd14aaa230be6855@...kaller.appspotmail.com>
To: kvalo@...nel.org, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org, 
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] [wireless?] [usb?] WARNING in ath6kl_bmi_get_target_info (2)

Hello,

syzbot found the following issue on:

HEAD commit:    1722389b0d86 Merge tag 'net-6.11-rc1' of git://git.kernel...
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
console output: https://syzkaller.appspot.com/x/log.txt?x=1467299d980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e3044dca4d5f6dbe
dashboard link: https://syzkaller.appspot.com/bug?extid=92c6dd14aaa230be6855
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=166a0275980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13552c6d980000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/78a5695ed7e2/disk-1722389b.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1507b4c5000d/vmlinux-1722389b.xz
kernel image: https://storage.googleapis.com/syzbot-assets/449aa9e94d6b/bzImage-1722389b.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+92c6dd14aaa230be6855@...kaller.appspotmail.com

usb 1-1: new high-speed USB device number 2 using dummy_hcd
usb 1-1: New USB device found, idVendor=0cf3, idProduct=9375, bcdDevice=1a.9e
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2343 at drivers/net/wireless/ath/ath6kl/bmi.c:90 ath6kl_bmi_get_target_info+0x4f5/0x5b0 drivers/net/wireless/ath/ath6kl/bmi.c:90
Modules linked in:
CPU: 0 UID: 0 PID: 2343 Comm: kworker/0:2 Not tainted 6.10.0-syzkaller-g1722389b0d86 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:ath6kl_bmi_get_target_info+0x4f5/0x5b0 drivers/net/wireless/ath/ath6kl/bmi.c:90
Code: 77 fc ff ff e8 4c fa b1 fd be 08 00 00 00 bd f3 ff ff ff 48 c7 c7 20 db 7f 87 e8 26 42 fe ff e9 5c fd ff ff e8 2c fa b1 fd 90 <0f> 0b 90 bd ea ff ff ff e9 49 fd ff ff e8 79 ec 06 fe e9 e7 fb ff
RSP: 0018:ffffc900042eef48 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8881135c0e20 RCX: ffffffff83a15e8a
RDX: ffff88811394d700 RSI: ffffffff83a16014 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 000000000000000c
R10: 0000000000000000 R11: ffffffff81004e0a R12: ffffc900042ef058
R13: 1ffff9200085ddeb R14: ffff8881135c0e50 R15: ffffc900042ef05c
FS:  0000000000000000(0000) GS:ffff8881f6200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ea8cfc1b18 CR3: 0000000115c00000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ath6kl_core_init+0x1a0/0x11a0 drivers/net/wireless/ath/ath6kl/core.c:101
 ath6kl_usb_probe+0xcd2/0x1450 drivers/net/wireless/ath/ath6kl/usb.c:1168
 usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399
 call_driver_probe drivers/base/dd.c:578 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:657
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1029
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532
 device_add+0x114b/0x1a70 drivers/base/core.c:3679
 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254
 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294
 call_driver_probe drivers/base/dd.c:578 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:657
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1029
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532
 device_add+0x114b/0x1a70 drivers/base/core.c:3679
 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651
 hub_port_connect drivers/usb/core/hub.c:5521 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x2e66/0x4f50 drivers/usb/core/hub.c:5903
 process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x6c8/0xf20 kernel/workqueue.c:3390
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>


---
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