[sane-devel] Segfault on Epson V850 epson2 driver

[Ralph Little]

Hi,

On 2022-06-26 21:50, Nicholas Andre wrote:
> Hey all,
>
> Getting a segfault on epsonv2 when scanning at certain resolutions. 
> Scanning at 1800 DPI works fine but 2400 or 3200 triggers a segfault. 
> This is the dmesg output:
>
> [328208.954596] usb 6-1: new high-speed USB device number 7 using xhci_hcd
> [328209.108635] usb 6-1: New USB device found, idVendor=04b8, 
> idProduct=0151, bcdDevice= 1.00
> [328209.108649] usb 6-1: New USB device strings: Mfr=1, Product=2, 
> SerialNumber=0
> [328209.108655] usb 6-1: Product: Epson Perfection V850
> [328209.108659] usb 6-1: Manufacturer: Epson

There is quite a bit of information in the line that you include:

> [339715.862085] scanimage[137833]: segfault at 3a ip 00007f7ee21d4b55 
> sp 00007ffd69c05d20 error 4 in libsane-epson2.so.1.1.1[7f7ee21bf000+1b000]
> [339715.862118] Code: 8d 35 c2 5c 00 00 48 83 ec 10 64 48 8b 04 25 28 
> 00 00 00 48 89 44 24 08 31 c0 e8 e6 9a ff ff 48 8b 45 08 48 8b 80 38 
> 01 00 00 <0f> b6 50 0a b8 01 00 00 00 84 d2 75 1e 48 8b 54 24 08 64 48 
> 2b 14
>

Can you tell us which distro you are running on and what version of it?

Cheers,
Ralph