Error running ffmpeg due to permission denied on library

["Robert Foster" <rfoster mountainvisions com au>]

Hi,

I'm trying to get ffmpeg working for Gallery2 on FC5, and getting the following error (from the debug message via Gallery):

 

Executing: ( "/usr/bin/ffmpeg"  "-h" )
2>/MV/webs/Repository/gallery/tmp/g2dbgitTQYC
file_exists(/MV/webs/Repository/gallery/tmp/g2dbgitTQYC)
filesize(/MV/webs/Repository/gallery/tmp/g2dbgitTQYC)
fopen(/MV/webs/Repository/gallery/tmp/g2dbgitTQYC, r, 0)
feof(Resource id #108)
fgets(Resource id #108, 4096)
feof(Resource id #108)
fgets(Resource id #108, 4096)
feof(Resource id #108)
fclose(Resource id #108)
unlink(/MV/webs/Repository/gallery/tmp/g2dbgitTQYC)
Regular Output:
Error Output:
/usr/bin/ffmpeg: error while loading shared libraries: libavcodec.so.51:
cannot enable executable stack as shared object requires: Permission
denied
Status: 127 (expected 0)

A quick look in /usr/lib reveals:

 

-rwxr-xr-x  root     root     system_u:object_r:textrel_shlib_t /usr/lib/libavcodec-CVS.so
lrwxrwxrwx  root     root     system_u:object_r:lib_t          /usr/lib/libavcodec.so -> libavcodec-CVS.so
lrwxrwxrwx  root     root     system_u:object_r:lib_t          /usr/lib/libavcodec.so.51 -> libavcodec-CVS.so

 

/var/log/audit/audit.log shows:

 

type=SYSCALL msg=audit(1146010953.133:45163): arch=40000003 syscall=125 success=no exit=-13 a0=bfc5b000 a1=1000 a2=1000007 a3=fffff000 items=0 pid=25005 auid=1000 uid=48 gid=48 euid=48 suid=48 fsuid=48 egid=48 sgid=48 fsgid=48 comm="ffmpeg" exe="/usr/bin/ffmpeg"
type=AVC msg=audit(1146010953.141:45164): avc:  denied  { execstack } for  pid=25007 comm="ffmpeg" scontext=user_u:system_r:httpd_sys_script_t:s0 tcontext=user_u:system_r:httpd_sys_script_t:s0 tclass=process
type=SYSCALL msg=audit(1146010953.141:45164): arch=40000003 syscall=125 success=no exit=-13 a0=bf9e8000 a1=1000 a2=1000007 a3=fffff000 items=0 pid=25007 auid=1000 uid=48 gid=48 euid=48 suid=48 fsuid=48 egid=48 sgid=48 fsgid=48 comm="ffmpeg" exe="/usr/bin/ffmpeg"
type=AVC msg=audit(1146010953.213:45165): avc:  denied  { execstack } for  pid=25009 comm="ffmpeg" scontext=user_u:system_r:httpd_sys_script_t:s0 tcontext=user_u:system_r:httpd_sys_script_t:s0 tclass=process
type=SYSCALL msg=audit(1146010953.213:45165): arch=40000003 syscall=125 success=no exit=-13 a0=bfbe6000 a1=1000 a2=1000007 a3=fffff000 items=0 pid=25009 auid=1000 uid=48 gid=48 euid=48 suid=48 fsuid=48 egid=48 sgid=48 fsgid=48 comm="ffmpeg" exe="/usr/bin/ffmpeg"
type=AVC msg=audit(1146010953.221:45166): avc:  denied  { execstack } for  pid=25011 comm="ffmpeg" scontext=user_u:system_r:httpd_sys_script_t:s0 tcontext=user_u:system_r:httpd_sys_script_t:s0 tclass=process
type=SYSCALL msg=audit(1146010953.221:45166): arch=40000003 syscall=125 success=no exit=-13 a0=bf89b000 a1=1000 a2=1000007 a3=fffff000 items=0 pid=25011 auid=1000 uid=48 gid=48 euid=48 suid=48 fsuid=48 egid=48 sgid=48 fsgid=48 comm="ffmpeg" exe="/usr/bin/ffmpeg"

when I run the page producing the error output.

 

I tried to set the allow_execstack boolean but it didn't make any difference.

 

I'm out of ideas on this one - any help appreciated :)

Robert Foster
General Manager
Mountain Visions P/L  http://mountainvisions.com.au
Mobile: 0418 131 065