Rewrite linux_recvfrom. To avoid double conversion of sockaddr use kern_recvit() directly. And check fromlen parameter before sockaddr copyin and conversion.
ClosedPublic
Actions

Authored by dchagin on Nov 2 2014, 10:17 PM.

Tags

None

Referenced Files

	F155021403: D1082.id2228.diff
	Thu, Apr 30, 6:02 PM

	Unknown Object (File)
	Tue, Apr 21, 8:38 AM

	Unknown Object (File)
	Wed, Apr 15, 12:05 AM

	Unknown Object (File)
	Mar 24 2026, 11:30 PM

	Unknown Object (File)
	Mar 24 2026, 5:55 PM

	Unknown Object (File)
	Mar 24 2026, 11:09 AM

	Unknown Object (File)
	Mar 23 2026, 6:07 AM

	Unknown Object (File)
	Mar 23 2026, 6:06 AM

View All Files

Subscribers

imp

trasz

Details

Reviewers

None

Group Reviewers

Linux Emulation

Commits

rS283433: Rewrite linux_recvfrom. To avoid double conversion of sockaddr use

Diff Detail

Lint

No Lint Coverage

Unit

No Test Coverage

Event Timeline

dchagin updated this revision to Diff 2228.Nov 2 2014, 10:17 PM

dchagin retitled this revision from to Rewrite linux_recvfrom. To avoid double conversion of sockaddr use kern_recvit() directly. And check fromlen parameter before sockaddr copyin and conversion..

dchagin added a reviewer: Linux Emulation.Nov 2 2014, 10:19 PM

trasz added a subscriber: trasz.Mar 27 2015, 11:19 AM

trasz added inline comments.

sys/compat/linux/linux_socket.c
1035	!= 0; few other occurences below.
1053	sys_recvfrom() calls recvit() here, which also copies out the msg_namelen. It seems to be missing here.
1057	!= NULL