In the Linux kernel, the following vulnerability has been resolved:
gfs2: Fix kernel NULL pointer dereference in gfs2rgrpdump
Syzkaller has reported a NULL pointer dereference when accessing rgd->rdrgl in gfs2rgrpdump(). This can happen when creating rgd->rdgl fails in readrindexentry(). Add a NULL pointer check in gfs2rgrpdump() to prevent that.