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rpcdebug: avoid buffer underflow (RHEL-7931)

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Steve Dickson 2024-02-06 12:04:45 -05:00 committed by root
parent 613b0c4ada
commit 685a2f8955
3 changed files with 28 additions and 1 deletions
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1
.nfs-utils.metadata Normal file
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@ -0,0 +1 @@
1b097d511c85f95671619f51b37abd75d56ea777 nfs-utils-2.5.4.tar.xz

24
nfs-utils-2.5.4-rpcdebug-check-read-return.patch Normal file
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@ -0,0 +1,24 @@
commit a746c35822e557766d1871ec976490a71e6962d9
Author: Zhi Li <yieli@redhat.com>
Date: Wed Apr 5 12:08:10 2023 -0400
rpcdebug: avoid buffer underflow if read() returns 0
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2176740
Signed-off-by: Zhi Li <yieli@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
diff --git a/tools/rpcdebug/rpcdebug.c b/tools/rpcdebug/rpcdebug.c
index 68206cc5..ec05179e 100644
--- a/tools/rpcdebug/rpcdebug.c
+++ b/tools/rpcdebug/rpcdebug.c
@@ -257,7 +257,7 @@ get_flags(char *module)
perror(filename);
exit(1);
}
- if ((len = read(sysfd, buffer, sizeof(buffer))) < 0) {
+ if ((len = read(sysfd, buffer, sizeof(buffer))) <= 0) {
perror("read");
exit(1);
}

4
nfs-utils.spec
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@ -57,6 +57,7 @@ Patch021: nfs-utils-2.5.4-mount-mountconf-typo.patch
Patch022: nfs-utils-2.5.4-support-for-rpc-with-tls.patch
Patch023: nfs-utils-2.5.4-fix-typos-in-messages.patch
Patch024: nfs-utils-2.5.4-blkmapd-double-free.patch
Patch025: nfs-utils-2.5.4-rpcdebug-check-read-return.patch
Patch100: nfs-utils-1.2.1-statdpath-man.patch
Patch101: nfs-utils-1.2.1-exp-subtree-warn-off.patch
@ -498,9 +499,10 @@ fi
%{_mandir}/*/nfsiostat.8.gz
%changelog
* Mon Feb 5 2024 Steve Dickson <steved@redhat.com> 2.5.4-23
* Tus Feb 6 2024 Steve Dickson <steved@redhat.com> 2.5.4-23
- Typos and documentation fixes (RHEL-22654)
- blkmapd: fix coredump in bl_add_disk (RHEL-7941)
- rpcdebug: avoid buffer underflow (RHEL-7931)
* Thu Feb 1 2024 Steve Dickson <steved@redhat.com> 2.5.4-22
- nfsmount.conf: Fix typo of the attribute name (RHEL-7904)