Bug 712918 - setroubleshootd eats all CPU; output loop in audit.log
Summary: setroubleshootd eats all CPU; output loop in audit.log
Keywords:
Status: CLOSED DUPLICATE of bug 693143
Alias: None
Product: Fedora
Classification: Fedora
Component: setroubleshoot
Version: 14
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Daniel Walsh
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-06-13 15:17 UTC by Andre Klapper
Modified: 2011-06-14 15:36 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-06-14 15:36:45 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Andre Klapper 2011-06-13 15:17:38 UTC
Description of problem:
setroubleshootd eats my CPU.

Version-Release number of selected component (if applicable):
Latest Fedora 14 with all updateds applied.

How reproducible:
Happened more than once.

Steps to Reproduce:
1. Not known.
  
Actual results:
Constantly spamming /var/log/audit/audit.log with the following content:

[root@embrace andre]# more /var/log/audit/audit.log | tail
type=AVC msg=audit(1307977921.458:1113997): avc:  denied  { mmap_zero } for  pid=1888 comm="gvfsd" scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=memprotect
type=SYSCALL msg=audit(1307977921.458:1113997): arch=40000003 syscall=192 success=no exit=-13 a0=0 a1=1000 a2=3 a3=22 items=0 ppid=1 pid=1888 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=1 comm="gvfsd" exe="/usr/libexec/gvfsd" subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1307977921.458:1113998): avc:  denied  { mmap_zero } for  pid=1888 comm="gvfsd" scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=memprotect
type=SYSCALL msg=audit(1307977921.458:1113998): arch=40000003 syscall=192 success=no exit=-13 a0=0 a1=1000 a2=3 a3=22 items=0 ppid=1 pid=1888 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=1 comm="gvfsd" exe="/usr/libexec/gvfsd" subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1307977921.458:1113999): avc:  denied  { mmap_zero } for  pid=1888 comm="gvfsd" scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=memprotect
type=SYSCALL msg=audit(1307977921.458:1113999): arch=40000003 syscall=192 success=no exit=-13 a0=0 a1=2000 a2=3 a3=22 items=0 ppid=1 pid=1888 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=1 comm="gvfsd" exe="/usr/libexec/gvfsd" subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1307977921.458:1114000): avc:  denied  { mmap_zero } for  pid=1888 comm="gvfsd" scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=memprotect
type=SYSCALL msg=audit(1307977921.458:1114000): arch=40000003 syscall=192 success=no exit=-13 a0=0 a1=1000 a2=3 a3=22 items=0 ppid=1 pid=1888 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=1 comm="gvfsd" exe="/usr/libexec/gvfsd" subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1307977921.458:1114001): avc:  denied  { mmap_zero } for  pid=1888 comm="gvfsd" scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=memprotect
type=SYSCALL msg=audit(1307977921.458:1114001): arch=40000003 syscall=192 success=no exit=-13 a0=0 a1=1000 a2=3 a3=22 items=0 ppid=1 pid=1888 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=1 comm="gvfsd" exe="/usr/libexec/gvfsd" subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 key=(null)

[...]

[root@embrace andre]# more /var/log/audit/audit.log | tail
type=AVC msg=audit(1307977938.968:1121777): avc:  denied  { mmap_zero } for  pid=1888 comm="gvfsd" scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=memprotect
type=SYSCALL msg=audit(1307977938.968:1121777): arch=40000003 syscall=192 success=no exit=-13 a0=0 a1=1000 a2=3 a3=22 items=0 ppid=1 pid=1888 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=1 comm="gvfsd" exe="/usr/libexec/gvfsd" subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1307977938.969:1121778): avc:  denied  { mmap_zero } for  pid=1888 comm="gvfsd" scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=memprotect
type=SYSCALL msg=audit(1307977938.969:1121778): arch=40000003 syscall=192 success=no exit=-13 a0=0 a1=1000 a2=3 a3=22 items=0 ppid=1 pid=1888 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=1 comm="gvfsd" exe="/usr/libexec/gvfsd" subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1307977938.969:1121779): avc:  denied  { mmap_zero } for  pid=1888 comm="gvfsd" scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=memprotect
type=SYSCALL msg=audit(1307977938.969:1121779): arch=40000003 syscall=192 success=no exit=-13 a0=0 a1=2000 a2=3 a3=22 items=0 ppid=1 pid=1888 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=1 comm="gvfsd" exe="/usr/libexec/gvfsd" subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1307977938.969:1121780): avc:  denied  { mmap_zero } for  pid=1888 comm="gvfsd" scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=memprotect
type=SYSCALL msg=audit(1307977938.969:1121780): arch=40000003 syscall=192 success=no exit=-13 a0=0 a1=1000 a2=3 a3=22 items=0 ppid=1 pid=1888 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=1 comm="gvfsd" exe="/usr/libexec/gvfsd" subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1307977938.969:1121781): avc:  denied  { mmap_zero } for  pid=1888 comm="gvfsd" scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=memprotect
type=SYSCALL msg=audit(1307977938.969:1121781): arch=40000003 syscall=192 success=no exit=-13 a0=0 a1=1000 a2=3 a3=22 items=0 ppid=1 pid=1888 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=1 comm="gvfsd" exe="/usr/libexec/gvfsd" subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 key=(null)

Comment 1 Andre Klapper 2011-06-13 15:22:42 UTC
<walters> you may be hitting a kernel bug where mmap would sometimes return ranges inside the mmap_zero range

Comment 2 Andre Klapper 2011-06-13 15:25:38 UTC
...and might be a dup of bug 693143.

Comment 3 Daniel Walsh 2011-06-14 15:36:45 UTC

*** This bug has been marked as a duplicate of bug 693143 ***


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