Messages in this thread | | | From | Linus Walleij <> | Date | Tue, 16 Jul 2019 23:52:19 +0200 | Subject | Re: WARNING in gpio_to_desc |
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On Wed, Jul 10, 2019 at 1:07 PM syzbot <syzbot+cf35b76f35e068a1107f@syzkaller.appspotmail.com> wrote:
> HEAD commit: 7829a896 usb-fuzzer: main usb gadget fuzzer driver (...) > __gpio_set_value include/asm-generic/gpio.h:104 [inline] > gpio_set_value include/linux/gpio.h:71 [inline] > nfcmrvl_chip_halt+0x4e/0x70 drivers/nfc/nfcmrvl/main.c:259 > nfcmrvl_nci_register_dev+0x2d4/0x378 drivers/nfc/nfcmrvl/main.c:176 > nfcmrvl_probe+0x4e9/0x5e0 drivers/nfc/nfcmrvl/usb.c:344
This bug is somewhere in the drivers/nfc/nfcmrvl* code handling GPIOs.
It should be converted to GPIO descriptors and fixed up, see drivers/gpio/TODO for details on how to do this.
Johan/Vincent, tell me if you want me to forward the full fuzzing robot crash dump.
Yours, Linus Walleij
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