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authorShuah Khan <skhan@linuxfoundation.org>2021-03-29 19:36:51 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-05 09:05:42 +0200
commit363eaa3a450abb4e63bd6e3ad79d1f7a0f717814 (patch)
treebfefeb5a04b0982e41c3c8aa9893a130cf4f5025 /drivers/tty/amiserial.c
parentbd8b82042269a95db48074b8bb400678dbac1815 (diff)
usbip: synchronize event handler with sysfs code paths
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>
Diffstat (limited to 'drivers/tty/amiserial.c')
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