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Cause: when an "ls *" is done of the root of an indirect mount, autofs will attempt to literally mount the key '*' causing it to be added to the negative cache.
Consequence: if this is done before a valid mount, autofs fails on further mount attempts inside the mountpoint, valid or not.
Fix: fixed by checking for and not adding the wildcard key when updating the negative cache.
Result: the wildcard map entry continues to function following a 'ls *' within the root of an autofs mountpoint.
run /CoreOS/autofs/Regression/bz1163957-unable-mount-indirect-after-ls-with-wildcard for autofs-5.0.7-53.el7, seems good.
the previous version output:
:: [ FAIL ] :: Command 'ls -ld /automount/dir{1,2}' (Expected 0, got 2)
the autofs-5.0.7-53.el7 output:
[03:26:56 root@ ~~]# ls -ld /automount/*
ls: cannot access /automount/*: No such file or directory
:: [ PASS ] :: Running 'ls -ld /automount/*' (Expected 2, got 2)
--------------------------------------------------------------------------------
[03:26:56 root@ ~~]# ls -ld /automount/dir{1,2}
drwxr-xr-x. 2 root root 6 Aug 27 03:26 /automount/dir1
drwxr-xr-x. 2 root root 6 Aug 27 03:26 /automount/dir2
:: [ PASS ] :: Running 'ls -ld /automount/dir{1,2}' (Expected 0, got 0)
also run stress, bugzillas, regressions, connectathon for autofs-5.0.7-53.el7, covered ppc64, x86_64, s390x, ppc64le no new issues.
I think I can set the status of this bug to be verified.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHSA-2015-2417.html
Created attachment 1029319 [details] Patch - make negative cache update consistent for all lookup modules