Page MenuHomeFreeBSD
Differential D53065

exec: Check for errors when mapping the shared object
ClosedPublic
Actions

Authored by markj on Oct 13 2025, 12:54 PM.
Tags
None
Referenced Files
Unknown Object (File)
Wed, Sep 16, 3:08 AM
Unknown Object (File)
Thu, Sep 10, 1:12 PM
Unknown Object (File)
Sun, Sep 6, 1:36 PM
Unknown Object (File)
Sun, Sep 6, 11:41 AM
Unknown Object (File)
Sun, Sep 6, 8:25 AM
Unknown Object (File)
Sun, Sep 6, 6:41 AM
Unknown Object (File)
Sat, Sep 5, 4:17 AM
Unknown Object (File)
Thu, Sep 3, 3:56 PM
View All 97 Files
Subscribers
imp
olce

Details

Reviewers
kib
Commits
rG945500c6ddc5: exec: Check for errors when mapping the shared object
rG2078f67215e9: exec: Check for errors when mapping the shared object
rG6a5f0dc705c4: exec: Check for errors when mapping the shared object
rG7117c86fcb7e: exec: Check for errors when mapping the shared object
Summary

In the non-ASLR case, there is no check for an error from
vm_map_fixed(). Restore it, it was dropped in commit 939f0b6323e0a.

Fixes: 939f0b6323e0 ("Implement shared page address randomization")
Reported by: Ilja Van Sprundel <ivansprundel@ioactive.com>

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Revision Contents
Changeset List

PathSize
sys/
kern/
2 lines

Diff 164143

View Options

sys/kern/kern_exec.c

Loading...