Re: [alsa-devel] /proc/asound/card0/oss_mixer stack corruption

2014-08-21 Thread Takashi Iwai
At Thu, 21 Aug 2014 20:55:21 +0200, Clemens Ladisch wrote: > > Tommi Rantala wrote: > > Trinity discovered that writing 128 bytes to > > /proc/asound/card0/oss_mixer triggers a stack corruption. > > > > Call Trace: > > [] __stack_chk_fail+0x16/0x20 > > [] snd_mixer_oss_proc_write+0x24a/0x270 >

Re: [alsa-devel] /proc/asound/card0/oss_mixer stack corruption

2014-08-21 Thread Clemens Ladisch
Tommi Rantala wrote: > Trinity discovered that writing 128 bytes to > /proc/asound/card0/oss_mixer triggers a stack corruption. > > Call Trace: > [] __stack_chk_fail+0x16/0x20 > [] snd_mixer_oss_proc_write+0x24a/0x270 snd_info_get_line() wants the len parameter to be one less than the buffer siz

/proc/asound/card0/oss_mixer stack corruption

2014-08-21 Thread Tommi Rantala
Hello, Trinity discovered that writing 128 bytes to /proc/asound/card0/oss_mixer triggers a stack corruption. Tommi # printf %128s > /proc/asound/card0/oss_mixer ALSA: mixer_oss: invalid OSS volume '' Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: 81e193ba