[v6.1] WARNING in plfxlc_mac_release

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: c63962be84ef Linux 6.1.124
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=17bd71df980000
kernel config: https://syzkaller.appspot.com/x/.config?x=b61d63ebcdeb2b69
dashboard link: https://syzkaller.appspot.com/bug?extid=7d4f142f6c288de8abfe
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/def628dfde4b/disk-c63962be.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/19bcf728ff3d/vmlinux-c63962be.xz
kernel image: https://storage.googleapis.com/syzbot-assets/dd43dbb11866/bzImage-c63962be.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+7d4f14...@syzkaller.appspotmail.com

plfxlc 6-1:253.132: vendor command failed (-71)
plfxlc 6-1:253.132: FPGA download failed (-22)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4334 at drivers/net/wireless/purelifi/plfxlc/mac.c:106 plfxlc_mac_release+0x7d/0xa0
Modules linked in:
CPU: 1 PID: 4334 Comm: kworker/1:7 Not tainted 6.1.124-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:plfxlc_mac_release+0x7d/0xa0 drivers/net/wireless/purelifi/plfxlc/mac.c:106
Code: ff ff e8 f6 dc 6a 04 89 c3 31 ff 89 c6 e8 4b d4 42 fb 85 db 74 0f e8 e2 d0 42 fb eb 05 e8 db d0 42 fb 5b 5d c3 e8 d3 d0 42 fb <0f> 0b eb f4 48 c7 c1 74 40 9b 8e 80 e1 07 80 c1 03 38 c1 7c a1 48
RSP: 0018:ffffc90004146988 EFLAGS: 00010283
RAX: ffffffff8647cb2d RBX: 0000000000000000 RCX: 0000000000100000
RDX: ffffc9001b444000 RSI: 000000000006367b RDI: 000000000006367c
RBP: 0000000000000001 R08: ffffffff8647cb15 R09: ffffed100aa04cb3
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880247cb000
R13: 00000000ffffffea R14: ffff888055020e80 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffef95f9758 CR3: 00000000628a5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
probe+0x941/0xbd0 drivers/net/wireless/purelifi/plfxlc/usb.c:694
usb_probe_interface+0x5c0/0xaf0 drivers/usb/core/driver.c:396
really_probe+0x2ab/0xcb0 drivers/base/dd.c:639
__driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:785
driver_probe_device+0x50/0x420 drivers/base/dd.c:815
__device_attach_driver+0x2cf/0x510 drivers/base/dd.c:943
bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429
__device_attach+0x359/0x570 drivers/base/dd.c:1015
bus_probe_device+0xba/0x1e0 drivers/base/bus.c:489
device_add+0xb48/0xfd0 drivers/base/core.c:3696
usb_set_configuration+0x19dd/0x2020 drivers/usb/core/message.c:2165
usb_generic_driver_probe+0x84/0x140 drivers/usb/core/generic.c:238
usb_probe_device+0x130/0x260 drivers/usb/core/driver.c:293
really_probe+0x2ab/0xcb0 drivers/base/dd.c:639
__driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:785
driver_probe_device+0x50/0x420 drivers/base/dd.c:815
__device_attach_driver+0x2cf/0x510 drivers/base/dd.c:943
bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429
__device_attach+0x359/0x570 drivers/base/dd.c:1015
bus_probe_device+0xba/0x1e0 drivers/base/bus.c:489
device_add+0xb48/0xfd0 drivers/base/core.c:3696
usb_new_device+0xbdd/0x18f0 drivers/usb/core/hub.c:2620
hub_port_connect drivers/usb/core/hub.c:5477 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5617 [inline]
port_event drivers/usb/core/hub.c:5773 [inline]
hub_event+0x2efe/0x5730 drivers/usb/core/hub.c:5855
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>


---
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[syzbot]

syzbot has found a reproducer for the following issue on:

HEAD commit: c63962be84ef Linux 6.1.124
git tree: linux-6.1.y

console output: https://syzkaller.appspot.com/x/log.txt?x=12d25bc4580000

kernel config: https://syzkaller.appspot.com/x/.config?x=b61d63ebcdeb2b69
dashboard link: https://syzkaller.appspot.com/bug?extid=7d4f142f6c288de8abfe
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=130a01f8580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=138f7664580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/def628dfde4b/disk-c63962be.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/19bcf728ff3d/vmlinux-c63962be.xz
kernel image: https://storage.googleapis.com/syzbot-assets/dd43dbb11866/bzImage-c63962be.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+7d4f14...@syzkaller.appspotmail.com

usb 1-1: SerialNumber: syz
plfxlc 1-1:253.132: Firmware Version: 0
plfxlc 1-1:253.132: Unit type is station
plfxlc 1-1:253.132: vendor command failed (-71)
plfxlc 1-1:253.132: FPGA download failed (-22)
------------[ cut here ]------------
WARNING: CPU: 0 PID: 127 at drivers/net/wireless/purelifi/plfxlc/mac.c:106 plfxlc_mac_release+0x7d/0xa0
Modules linked in:
CPU: 0 PID: 127 Comm: kworker/0:2 Not tainted 6.1.124-syzkaller #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:plfxlc_mac_release+0x7d/0xa0 drivers/net/wireless/purelifi/plfxlc/mac.c:106
Code: ff ff e8 f6 dc 6a 04 89 c3 31 ff 89 c6 e8 4b d4 42 fb 85 db 74 0f e8 e2 d0 42 fb eb 05 e8 db d0 42 fb 5b 5d c3 e8 d3 d0 42 fb <0f> 0b eb f4 48 c7 c1 74 40 9b 8e 80 e1 07 80 c1 03 38 c1 7c a1 48

RSP: 0018:ffffc90002da6988 EFLAGS: 00010293
RAX: ffffffff8647cb2d RBX: 0000000000000000 RCX: ffff88801a7bbb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff8647cb15 R09: ffffed100607acb3
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801c6d0000
R13: 00000000ffffffea R14: ffff8880303d0e80 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000

CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

CR2: 000055af1fe21a80 CR3: 000000002d02c000 CR4: 00000000003506f0

If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
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