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f5a430c8ee
commit f051ae4f6c732c231046945b36234e977f8467c6 upstream.
gcc -Warray-bounds warns about a serious bug in
cyapa_pip_retrieve_data_structure:
drivers/input/mouse/cyapa_gen6.c: In function 'cyapa_pip_retrieve_data_structure.constprop':
include/linux/unaligned/access_ok.h:40:17: warning: array subscript -1 is outside array bounds of 'struct retrieve_data_struct_cmd[1]' [-Warray-bounds]
40 | *((__le16 *)p) = cpu_to_le16(val);
drivers/input/mouse/cyapa_gen6.c:569:13: note: while referencing 'cmd'
569 | } __packed cmd;
| ^~~
Apparently the '-2' was added to the pointer instead of the value,
writing garbage into the stack next to this variable.
Fixes:
|
||
|---|---|---|
| .. | ||
| gameport | ||
| joystick | ||
| keyboard | ||
| misc | ||
| mouse | ||
| rmi4 | ||
| serio | ||
| tablet | ||
| touchscreen | ||
| apm-power.c | ||
| evbug.c | ||
| evdev.c | ||
| ff-core.c | ||
| ff-memless.c | ||
| input-compat.c | ||
| input-compat.h | ||
| input-leds.c | ||
| input-mt.c | ||
| input-polldev.c | ||
| input-poller.c | ||
| input-poller.h | ||
| input.c | ||
| joydev.c | ||
| Kconfig | ||
| Makefile | ||
| matrix-keymap.c | ||
| mousedev.c | ||
| sparse-keymap.c | ||