Date: Tue, 25 Jan 2022 07:17:27 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=261458 Bug ID: 261458 Summary: Fix a possible Null pointer dereference in igmp_domifattach() Product: Base System Version: Unspecified Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: firstname.lastname@example.org Created attachment 231298 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=231298&action=edit A simple fix for this bug In sys/netinet/igmp.c file, the return value of igi_alloc_locked() is assigned to igi 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 igi. This bug is found by static analyzer, please advise. -- You are receiving this mail because: You are the assignee for the bug.