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(parent: a850ea3) | patch
HID: hidraw, fix a NULL pointer dereference in hidraw_ioctl
authorAntonio Ospite <ospite@studenti.unina.it>
Tue, 5 Oct 2010 15:20:16 +0000 (17:20 +0200)
committerJiri Kosina <jkosina@suse.cz>
Wed, 6 Oct 2010 09:30:31 +0000 (11:30 +0200)
commitd20d5ffab92f00188f360c44c791a5ffb988247c
tree26436afefabbd123e4c7362f9734f25a16d02922tree | snapshot (tar.gz zip)
parenta850ea30374ebed32a0724742601861853fde869commit | diff
HID: hidraw, fix a NULL pointer dereference in hidraw_ioctl

BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
IP: [<ffffffffa02c66b4>] hidraw_ioctl+0xfc/0x32c [hid]
[...]

This is reproducible by disconnecting the device while userspace does
ioctl in a loop and doesn't check return values in order to exit the
loop.

Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Cc: stable@kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
drivers/hid/hidraw.c diff | blob | blame | history