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author | Jeff Mahoney <jeffm@suse.com> | 2017-08-22 10:01:30 -0500 |
---|---|---|
committer | Eric Sandeen <sandeen@redhat.com> | 2017-08-22 10:01:30 -0500 |
commit | 8d2666e3f66c263946b47155f3764f64ce64d684 (patch) | |
tree | 81cd1a39d87430780b24f83e9a1693b45a0c0647 | |
parent | 592c10154f9928d6f44c18311f7edb4f4d7ff6de (diff) | |
download | xfsprogs-dev-8d2666e3f66c263946b47155f3764f64ce64d684.tar.gz |
fsr: fix uninitialized fs usage after timeout
In the main loop of fsrallfs, we exit when we've hit the timeout but
we increment fs before we get there. If we're operating on the last
file system in the array, we'll hit an uninitialized fsdesc and
crash in fsrall_cleanup.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
[sandeen: change Jeff's for(; loop]
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
-rw-r--r-- | fsr/xfs_fsr.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/fsr/xfs_fsr.c b/fsr/xfs_fsr.c index d4846a320c..2a18ce082b 100644 --- a/fsr/xfs_fsr.c +++ b/fsr/xfs_fsr.c @@ -600,12 +600,7 @@ fsrallfs(char *mtab, int howlong, char *leftofffile) /* reorg for 'howlong' -- checked in 'fsrfs' */ while (endtime > time(0)) { pid_t pid; - if (fs == fsend) - fs = fsbase; - if (fs->npass == npasses) { - fsrprintf(_("Completed all %d passes\n"), npasses); - break; - } + if (npasses > 1 && !fs->npass) Mflag = 1; else @@ -631,6 +626,12 @@ fsrallfs(char *mtab, int howlong, char *leftofffile) startino = 0; /* reset after the first time through */ fs->npass++; fs++; + if (fs == fsend) + fs = fsbase; + if (fs->npass == npasses) { + fsrprintf(_("Completed all %d passes\n"), npasses); + break; + } } fsrall_cleanup(endtime <= time(0)); } |