Source: xorg-server Version: 2:1.16.4-1 Severity: normal Dear Maintainer,
using iceweasel, going to http://lcamtuf.coredump.cx/afl/demo/ then pressing the first "click here" link which points to: http://lcamtuf.coredump.cx/afl/demo/jpeg/full/ these are some example inputs from the afl fuzzer. instead of displaying, the screen went black and i was logged out. the gdm login screen was shown. ~/.xsession-errors contains nothing particular. however, /var/log messages contains these interesting lines: (snip. lots of these similar jpeg error messages) May 22 12:35:14 tonfisk iceweasel.desktop[28508]: Corrupt JPEG data: 5 extraneous bytes before marker 0xa1 May 22 12:35:14 tonfisk iceweasel.desktop[28508]: Corrupt JPEG data: 8 extraneous bytes before marker 0xc4 May 22 12:35:14 tonfisk iceweasel.desktop[28508]: Corrupt JPEG data: 1 extraneous bytes before marker 0xe0 May 22 12:35:14 tonfisk iceweasel.desktop[28508]: Corrupt JPEG data: 4 extraneous bytes before marker 0xc4 May 22 12:35:14 tonfisk iceweasel.desktop[28508]: Corrupt JPEG data: 8 extraneous bytes before marker 0xc4 May 22 12:35:14 tonfisk iceweasel.desktop[28508]: Corrupt JPEG data: 16 extraneous bytes before marker 0xc4 May 22 12:35:14 tonfisk iceweasel.desktop[28508]: Invalid SOS parameters for sequential JPEG May 22 12:35:14 tonfisk iceweasel.desktop[28508]: Corrupt JPEG data: 16 extraneous bytes before marker 0xc4 May 22 12:35:14 tonfisk iceweasel.desktop[28508]: Corrupt JPEG data: bad Huffman code May 22 12:35:14 tonfisk gdm-Xorg-:1[27988]: Xorg: .../../glamor/glamor_largepixmap.c:787: glamor_merge_clipped_regions: Assertion `temp_priv->type != GLAMOR_TEXTURE_LARGE' failed. May 22 12:35:14 tonfisk kernel: [60039.502124] switching from power state: May 22 12:35:14 tonfisk kernel: [60039.502126] ui class: performance May 22 12:35:14 tonfisk kernel: [60039.502127] internal class: none (snip. gdm-Xorg restarts) I do not know if this may be related: https://bugs.freedesktop.org/show_bug.cgi?id=87866 -- System Information: Debian Release: 8.0 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'stable') Architecture: amd64 (x86_64) Kernel: Linux 3.16.0-4-amd64 (SMP w/8 CPU cores) Locale: LANG=sv_SE.utf8, LC_CTYPE=sv_SE.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org