VFS audit module apparently causing smbd panics
Sean Millichamp
sean at compu-aid.net
Tue Dec 10 19:25:01 GMT 2002
I was running the audit.so VFS example module in an earlier version of
Samba (2.2.3, I believe) without troubles for a while now. I just
upgraded to the samba-2.2.7 RPM provided by the Samba Team and noticed
problems on the share that servers a file-sharing based Windows
networked application package.
The smbds were dying with panics when attempting to run the program with
audit.so. I didn't change the smb.conf between the old and new
version. The vfs object line reads:
vfs object = /usr/lib/samba/vfs/audit.so
Commenting the line out solved the problem. I was under a lot of
pressure to get it working again so I removed it from all of the shares
without determining if it was a problem anywhere else or not.
One odd thing I saw was corruption in the smbstatus locked files
output. Here is a representative sample after the problems started
occurring:
32501 DENY_DOS 0x1 RDONLY EXCLUSIVE+BATCH /data/bworks/app/bw/bwwoemnu.dll Tue Dec 10 08:23:45 2002
32501 DENY_NONE 0x3 RDWR NONE ?| Tue Dec 10 08:23:37 2002
32548 DENY_NONE 0x3 RDWR EXCLUSIVE+BATCH /data/bworks/app/bw/ellc/lblabel.mif Tue Dec 10 08:27:21 2002
32516 DENY_NONE 0x3 RDWR EXCLUSIVE+BATCH /data/bworks/app/bw/ellc/apvendor.mxf Tue Dec 10 08:22:37 2002
32516 DENY_NONE 0x3 RDWR EXCLUSIVE+BATCH /data/bworks/app/bw/ellc/apdetail.mdf Tue Dec 10 08:22:37 2002
32548 DENY_NONE 0x3 RDWR EXCLUSIVE+BATCH /data/bworks/app/bw/bwwmnhlp.mif Tue Dec 10 08:27:32 2002
32501 DENY_DOS 0x1 RDONLY EXCLUSIVE+BATCH ?~ Tue Dec 10 08:23:46 2002
32501 DENY_DOS 0x1 RDONLY NONE ?| Tue Dec 10 08:23:34 2002
32501 DENY_DOS 0x1 RDONLY EXCLUSIVE+BATCH ?~ Tue Dec 10 08:23:46 2002
Note the ?~ and ?| characters where filenames similar to the others
should be.
I don't know if this is a known issue or not, but I figured I should
report it.
Sean
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