Hi Chris,
On Sun, Apr 04, 2021 at 10:33:46PM +0200, Chris Hofstaedtler wrote:
> * Bernhard Übelacker <bernha...@mailbox.org> [210404 20:32]:
> > Dear Maintainer,
> > tried to locate the exact smashing.
> > It looks like the ioctl(EXT2_IOC_GETFLAGS) takes an int* parameter,
> > but writes 8 bytes instead of just sizeof(int) to the given address.
>
> Some more questions:
> 1) which kernel version is this?
> 2) /dev/dri is on tmpfs?
1 [2/4021]mh@testsid85:~ $ sudo lsattr /dev/dri/card0
[sudo] password for mh:
*** stack smashing detected ***: terminated
Aborted
134 [3/4022]mh@testsid85:~ $ uname -a
Linux testsid85 5.10.0-5-amd64 #1 SMP Debian 5.10.26-1 (2021-03-27) x86_64
GNU/Linux
[4/4023]mh@testsid85:~ $ stat -f /dev/dri
File: "/dev/dri"
ID: 0 Namelen: 255 Type: tmpfs
Block size: 4096 Fundamental block size: 4096
Blocks: Total: 40336 Free: 40336 Available: 40336
Inodes: Total: 40336 Free: 39600
[5/4024]mh@testsid85:~ $
Other /dev device nods can be lsattr'd without error.
Greetings
Marc
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