http://defect.opensolaris.org/bz/show_bug.cgi?id=12222
amaguire <alan.maguire at sun.com> changed:
What |Removed |Added
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CC| |alan.maguire at sun.com
--- Comment #3 from amaguire <alan.maguire at sun.com> 2009-10-27 11:44:00 UTC
---
(In reply to comment #2)
> I happened to see this crash twice with event test 13, but now I've run it
> again with no crash, so this doesn't look very reproducible. Certainly from
> the stack, its not clear whether this is even a nwamd bug specifically.
looking at sysevent_open_channel(), it seems like we fclose() the fp twice in
certain circumstances:
1834 while (getextmntent(fp, &m, sizeof (struct extmnttab)) == 0) {
1835 if (strcmp(m.mnt_mountp, "/var/run") == 0 &&
1836 strcmp(m.mnt_fstype, "tmpfs") == 0) {
1837 (void) fclose(fp);
1838 var_run_mounted = 1;
1839 break;
1840 }
1841 }
1842 (void) fclose(fp);
what puzzles me is why this crash doesn't happen more often. Won't
getextmntent() always find the /var/run tmpfs entry, fclose()ing the fp and
break'ing out of the loop? The fix - it seems to me - is to remove the
fclose(fp) on ln 1837. I can supply a modified libsysevent if this is
reasonably reproducible...
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