Files
libguestfs/daemon
Richard W.M. Jones 047cf7dcd2 daemon/link.c: Fix out of memory error when reading symlinks
Commit 0f54df53d2 ("build: Remove gnulib") introduced a bug when I
rewrote existing code that used gnulib areadlink().

A missing "continue" statement on the path where fstatat(2) failed
caused fall-through to the case where it tries to use malloc(3) on the
value from the uninitialized stat buf.  This caused a huge amount of
memory to be allocated, invoking the oom-killer inside the appliance.

Reported-by: Yongkui Guo
Fixes: commit 0f54df53d2
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1960217
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