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linux/drivers/usb
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Shuah Khan f06cb4641b usbip: synchronize event handler with sysfs code paths 
commit 363eaa3a45 upstream.

Fuzzing uncovered race condition between sysfs code paths in usbip
drivers. Device connect/disconnect code paths initiated through
sysfs interface are prone to races if disconnect happens during
connect and vice versa.

Use sysfs_lock to synchronize event handler with sysfs paths
in usbip drivers.

Cc: stable@vger.kernel.org
Reported-and-tested-by: syzbot+a93fba6d384346a761e3@syzkaller.appspotmail.com
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/c5c8723d3f29dfe3d759cfaafa7dd16b0dfe2918.1616807117.git.skhan@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2021-04-14 08:42:03 +02:00
..
atm usb: atm: don't use snprintf() for sysfs attrs 2020-08-25 19:11:18 +02:00
c67x00 Linux 5.9-rc3 2020-08-31 07:11:45 +02:00
cdns3 usb: cdns3: fix NULL pointer dereference on no platform data 2021-03-11 14:17:26 +01:00
chipidea usb: chipidea: ci_hdrc_imx: add missing put_device() call in usbmisc_get_init_data() 2021-01-12 20:18:19 +01:00
class USB: cdc-acm: fix use-after-free after probe failure 2021-04-07 15:00:12 +02:00
common usb: common: usb-conn-gpio: Print error on failure to get VBUS 2020-08-18 12:13:44 +02:00
core USB: quirks: ignore remote wake-up on Fibocom L850-GL LTE modem 2021-04-07 15:00:12 +02:00
dwc2 usb: dwc2: Prevent core suspend when port connection flag is 0 2021-04-07 15:00:13 +02:00
dwc3 usb: dwc3: gadget: Clear DEP flags after stop transfers in ep disable 2021-04-07 15:00:13 +02:00
early usb: early: ehci-dbgp: convert to readl_poll_timeout_atomic() 2020-09-25 16:29:09 +02:00
gadget usb: gadget: udc: amd5536udc_pci fix null-ptr-dereference 2021-04-07 15:00:12 +02:00
host usb: xhci-mtk: fix broken streams issue on 0.96 xHCI 2021-04-07 15:00:12 +02:00
image USB: microtek: use set_host_byte() 2020-09-16 12:42:10 +02:00
isp1760 usb: isp1760-hcd: convert to readl_poll_timeout_atomic() 2020-09-25 16:30:05 +02:00
misc USB: yurex: fix control-URB timeout handling 2021-01-12 20:18:20 +01:00
mon USB: mon: Use scnprintf() for avoiding potential buffer overflow 2020-03-12 09:49:28 +01:00
mtu3 usb: mtu3: fix memory corruption in mtu3_debugfs_regset() 2020-12-26 16:02:38 +01:00
musb usb: musb: Fix suspend with devices connected for a64 2021-04-07 15:00:12 +02:00
phy usb: phy: phy-ab8500-usb: fix spello of "function" 2020-10-02 09:57:41 +03:00
renesas_usbhs usb: renesas_usbhs: Clear PIPECFG for re-enabling pipe with other EPNUM 2021-03-17 17:06:29 +01:00
roles device connection: Remove struct device_connection 2020-09-07 11:14:09 +02:00
serial USB: serial: cp210x: add some more GE USB IDs 2021-03-17 17:06:30 +01:00
storage usb-storage: Add quirk to defeat Kindle's automatic unload 2021-03-25 09:04:14 +01:00
typec usb: typec: tcpm: Invoke power_supply_changed for tcpm-source-psy- 2021-03-25 09:04:14 +01:00
usbip usbip: synchronize event handler with sysfs code paths 2021-04-14 08:42:03 +02:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile USB: Changes for v5.4 merge window 2019-09-02 19:20:57 +02:00
usb-skeleton.c USB: usb-skeleton: drop redundant in-urb check 2019-10-10 12:41:19 +02:00