Re: [LKP] [auxdisplay: ht16k33] cac513f1a9: BUG: KASAN: global-out-of-bounds in __of_match_node at addr ffffffff82ea8cf8

> cac513f1a9 auxdisplay: ht16k33: rework input device initialization > +--------------------------------------------------------------------+----+ > | | | > +--------------------------------------------------------------------+----+ > | boot_successes | 0 | > | boot_failures | 26 | > | BUG:KASAN:global-out-of-bounds_in__of_match_node_at_addr | 26 | > | BUG:KASAN:global-out-of-bounds_in__of_device_is_compatible_at_addr | 26 | > +--------------------------------------------------------------------+----+ > > [ 16.004589] OF: /testcase-data/phandle-tests/consumer-a: arguments longer than property > [ 16.008292] irq: no irq domain found for /testcase-data/interrupts/intc0 ! > [ 16.008292] irq: no irq domain found for /testcase-data/interrupts/intc0 ! > [ 16.011090] ================================================================== > [ 16.011090] ================================================================== > [ 16.014687] BUG: KASAN: global-out-of-bounds in __of_match_node+0xf9/0x100 at addr ffffffff82ea8cf8 > [ 16.014687] BUG: KASAN: global-out-of-bounds in __of_match_node+0xf9/0x100 at addr ffffffff82ea8cf8 > [ 16.018072] Read of size 1 by task swapper/1 > [ 16.018072] Read of size 1 by task swapper/1 > [ 16.019363] Address belongs to variable img_ascii_lcd_matches+0x258/0x8c0 > [ 16.019363] Address belongs to variable img_ascii_lcd_matches+0x258/0x8c0 Hmm, I am not sure what exactly happened, but I wonder if the patch below does not resolve this issue.

auxdisplay: img-ascii-lcd: add missing sentinel entry in img_ascii_lcd_matches From: Dmitry Torokhov <dmitry.torokhov(a)gmail.com&gt; The OF device table must be terminated, otherwise we'll be walking past it and into areas unknown. Fixes: 0cad855fbd08 ("auxdisplay: img-ascii-lcd: driver for simple ASCII...") Cc: stable(a)vger.kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov(a)gmail.com&gt; --- drivers/auxdisplay/img-ascii-lcd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/auxdisplay/img-ascii-lcd.c b/drivers/auxdisplay/img-ascii-lcd.c index bf43b5d2aafc..83f1439e57fd 100644 --- a/drivers/auxdisplay/img-ascii-lcd.c +++ b/drivers/auxdisplay/img-ascii-lcd.c @@ -218,6 +218,7 @@ static const struct of_device_id img_ascii_lcd_matches[] = { { .compatible = "img,boston-lcd", .data = &boston_config }, { .compatible = "mti,malta-lcd", .data = &malta_config }, { .compatible = "mti,sead3-lcd", .data = &sead3_config }, + { /* sentinel */ } }; /**