Commits
Dmitry Torokhov committed 72d4736253a
Input: uinput - fix crash when using ABS events Commit b6d30968d86c45a7bb599eaca13ff048d3fa576c (Input: uinput - switch to using for_each_set_bit()) switched driver to use for_each_set_bit(). However during initial write of the uinput structure that contains min/max data for all possible axes none of them are reflected in dev->absbit yet and so we were skipping over all of them and were not allocating absinfo memory which caused crash later when driver tried to sens EV_ABS events: <1>[ 15.064330] BUG: unable to handle kernel NULL pointer dereference at 0000000000000024 <1>[ 15.064336] IP: [<ffffffff8163f142>] input_handle_event+0x232/0x4e0 <4>[ 15.064343] PGD 0 <4>[ 15.064345] Oops: 0000 [#1] SMP Fixes: b6d30968d86c45a7bb599eaca13ff048d3fa576c Cc: stable@vger.kernel.org Reported-by: Stephen Chandler Paul <cpaul@redhat.com> Tested-by: Stephen Chandler Paul <cpaul@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>