Bug 712918

Summary: setroubleshootd eats all CPU; output loop in audit.log
Product: [Fedora] Fedora Reporter: Andre Klapper <a9016009>
Component: setroubleshootAssignee: Daniel Walsh <dwalsh>
Status: CLOSED DUPLICATE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 14CC: dwalsh, mgrepl
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OS: Unspecified   
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Fixed In Version: Doc Type: Bug Fix
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Clone Of: Environment:
Last Closed: 2011-06-14 15:36:45 UTC Type: ---
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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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 ***