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| author | kib <kib@FreeBSD.org> | 2007-02-07 10:30:49 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2007-02-07 10:30:49 +0000 |
| commit | 0e5b15d726fe05f6c5c50c0dc9f7d5aed285d3c9 (patch) | |
| tree | 8ea493a77b12f3dc48651402856803c2d9de34b1 /lib/libkvm | |
| parent | 2eb15b506b7d7b69a41d0fcdf2d7a806d723e4c7 (diff) | |
| download | FreeBSD-src-0e5b15d726fe05f6c5c50c0dc9f7d5aed285d3c9.zip FreeBSD-src-0e5b15d726fe05f6c5c50c0dc9f7d5aed285d3c9.tar.gz | |
Fix the race of dereferencing /proc/<pid>/file with execve(2) by caching
the value of p_textvp. This way, we always unlock the locked vnode.
While there, vhold() the vnode around the vn_lock().
Reported and tested by: Guy Helmer (ghelmer palisadesys com)
Approved by: des (procfs maintainer)
MFC after: 1 week
Diffstat (limited to 'lib/libkvm')
0 files changed, 0 insertions, 0 deletions
