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258c81b341
linux/drivers/usb
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Anirudh Rayabharam 258c81b341 usbip: give back URBs for unsent unlink requests during cleanup 
In vhci_device_unlink_cleanup(), the URBs for unsent unlink requests are
not given back. This sometimes causes usb_kill_urb to wait indefinitely
for that urb to be given back. syzbot has reported a hung task issue [1]
for this.

To fix this, give back the urbs corresponding to unsent unlink requests
(unlink_tx list) similar to how urbs corresponding to unanswered unlink
requests (unlink_rx list) are given back.

[1]: https://syzkaller.appspot.com/bug?id=08f12df95ae7da69814e64eb5515d5a85ed06b76

Reported-by: syzbot+74d6ef051d3d2eacf428@syzkaller.appspotmail.com
Tested-by: syzbot+74d6ef051d3d2eacf428@syzkaller.appspotmail.com
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Anirudh Rayabharam <mail@anirudhrb.com>
Link: https://lore.kernel.org/r/20210820190122.16379-2-mail@anirudhrb.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-08-26 13:29:10 +02:00
..
atm usb: atm: cxacru: Fix typo in comment 2021-05-21 20:05:40 +02:00
c67x00
cdns3 usb: cdnsp: fix the wrong mult value for HS isoc or intr 2021-08-13 13:05:50 +02:00
chipidea Linux 5.13-rc7 2021-06-21 10:56:05 +02:00
class USB: usbtmc: Fix RCU stall warning 2021-07-27 15:52:37 +02:00
common Merge 5.14-rc5 into usb-next 2021-08-09 08:12:09 +02:00
core Revert "USB: quirks: ignore remote wake-up on Fibocom L850-GL LTE modem" 2021-07-21 11:36:34 +02:00
dwc2 usb: dwc2: gadget: implement udc_set_speed() 2021-08-13 09:00:12 +02:00
dwc3 usb: dwc3: pci: add support for AMD's newer generation platform. 2021-08-26 13:14:21 +02:00
early
gadget usb: gadget: aspeed: Remove repeated verbose license text 2021-08-26 13:26:07 +02:00
host usb: ehci-orion: Handle errors of clk_prepare_enable() in probe 2021-08-26 13:09:34 +02:00
image
isp1760 usb: isp1760: rework cache initialization error handling 2021-07-27 16:25:31 +02:00
misc usb: misc: brcmstb-usb-pinmap: add IRQ check 2021-08-13 13:05:50 +02:00
mon
mtu3 usb: mtu3: fix the wrong HS mult value 2021-08-13 13:05:50 +02:00
musb usb: musb: musb_dsps: request_irq() after initializing musb 2021-08-26 13:22:16 +02:00
phy usb: phy: tahvo: add IRQ check 2021-08-16 18:57:19 +02:00
renesas_usbhs usb: renesas_usbhs: Fix superfluous irqs happen after usb_pkt_pop() 2021-07-21 09:50:00 +02:00
roles usb: roles: add helper usb_role_string() 2021-05-27 09:17:18 +02:00
serial USB: serial: ftdi_sio: add device ID for Auto-M3 OP-COM v2 2021-08-05 09:47:25 +02:00
storage USB: usb-storage: Add LaCie Rugged USB3-FW to IGNORE_UAS 2021-07-21 09:15:45 +02:00
typec Merge 5.14-rc7 into usb-next 2021-08-24 15:21:10 +02:00
usbip usbip: give back URBs for unsent unlink requests during cleanup 2021-08-26 13:29:10 +02:00
Kconfig usb: remove reference to deleted config STB03xxx 2021-08-18 15:32:19 +02:00
Makefile usb: host: remove line for obsolete config USB_HWA_HCD 2021-08-18 15:32:19 +02:00
usb-skeleton.c