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(parent: d20d5ff) | patch
HID: hidraw, fix a NULL pointer dereference in hidraw_write
authorAntonio Ospite <ospite@studenti.unina.it>
Tue, 5 Oct 2010 15:20:17 +0000 (17:20 +0200)
committerJiri Kosina <jkosina@suse.cz>
Wed, 6 Oct 2010 09:30:34 +0000 (11:30 +0200)
commite42dee9a99a3ecd32b5c027e8f7411fb5bc11eb6
tree98ddb05e7f8eb8420ad376d3c8ef8f2a993659eatree | snapshot
parentd20d5ffab92f00188f360c44c791a5ffb988247ccommit | diff
HID: hidraw, fix a NULL pointer dereference in hidraw_write

BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
IP: [<ffffffffa0f0a625>] hidraw_write+0x3b/0x116 [hid]
[...]

This is reproducible by disconnecting the device while userspace writes
to dev node 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 | history
Domain: System / Kernel;