tags 476577 + patch thanks Hi,
Attached is a patch to fix this bug. I made it check if mtab was a symlink and not try to write it. (Note that update_mtab(), which is called before the check on remount, already contains a similar check of its own.) -- see shy jo
diff -u nfs-utils-1.1.2/debian/changelog nfs-utils-1.1.2/debian/changelog
--- nfs-utils-1.1.2/debian/changelog
+++ nfs-utils-1.1.2/debian/changelog
@@ -1,3 +1,10 @@
+nfs-utils (1:1.1.2-2.1) UNRELEASED; urgency=low
+
+ * Avoid writing to or fchmodding /etc/mtab if it is a symlink.
+ Closes: #476577
+
+ -- Joey Hess <[EMAIL PROTECTED]> Thu, 17 Apr 2008 15:30:49 -0400
+
nfs-utils (1:1.1.2-2) unstable; urgency=low
* Remove ${misc:Depends} from binary variables -- it is not used, and not
only in patch2:
unchanged:
--- nfs-utils-1.1.2.orig/utils/mount/mount.c
+++ nfs-utils-1.1.2/utils/mount/mount.c
@@ -257,6 +257,13 @@
return EX_SUCCESS;
}
+ /* Avoid writing if the mtab is a symlink to /proc/mounts, since
+ that would create a file /proc/mounts in case the proc filesystem
+ is not mounted, and the fchmod below would also fail. */
+ if (! mtab_is_a_symlink())
+ return EX_SUCCESS;
+ }
+
lock_mtab();
mtab = nfs_setmntent(MOUNTED, "a+");
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