[Bug 261455] Fix a possible Null pointer dereference in svc_dg_create()
Date: Tue, 25 Jan 2022 05:16:22 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=261455 Bug ID: 261455 Summary: Fix a possible Null pointer dereference in svc_dg_create() Product: Base System Version: Unspecified Hardware: Any OS: Any Status: New Severity: Affects Many People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: zhou1615@umn.edu Created attachment 231295 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=231295&action=edit A simple fix for this bug In sys/rpc/svc_dg.c file, the return value of svc_xprt_alloc() is assigned to xprt and there is a dereference of it right after that, which would lead to NULL pointer dereference on failure of allocation. Fix this bug by adding a NULL check of xprt. This bug is found by static analyzer, please advise. -- You are receiving this mail because: You are the assignee for the bug.