Page MenuHomeFreeBSD

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

Authored by dchagin on Nov 2 2014, 10:17 PM.
Tags
None
Referenced Files
Unknown Object (File)
Fri, Apr 26, 1:22 AM
Unknown Object (File)
Fri, Apr 26, 1:22 AM
Unknown Object (File)
Fri, Apr 26, 1:22 AM
Unknown Object (File)
Fri, Apr 26, 1:22 AM
Unknown Object (File)
Thu, Apr 25, 8:39 PM
Unknown Object (File)
Thu, Apr 25, 6:49 PM
Unknown Object (File)
Jan 10 2024, 1:19 AM
Unknown Object (File)
Oct 28 2023, 11:13 PM
Subscribers

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Event Timeline

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..
trasz added inline comments.
sys/compat/linux/linux_socket.c
1035 ↗(On Diff #2228)

!= 0; few other occurences below.

1053 ↗(On Diff #2228)

sys_recvfrom() calls recvit() here, which also copies out the msg_namelen. It seems to be missing here.

1057 ↗(On Diff #2228)

!= NULL

whoops, you are right. fixed. style(9) also fixed.

This revision was automatically updated to reflect the committed changes.