rpcb_clnt.c: Eliminate double frees in delete_cache() (RHEL-11183)
commit 1d2e10afb2ffc35cb3623f57a15f712359f18e75 Author: Herb Wartens <wartens2@llnl.gov> Date: Tue Aug 1 10:36:16 2023 -0400 rpcb_clnt.c: Eliminate double frees in delete_cache() Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2224666 Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Steve Dickson <steved@redhat.com> Resolves: RHEL-11183
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@ -0,0 +1,32 @@
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commit 1d2e10afb2ffc35cb3623f57a15f712359f18e75
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Author: Herb Wartens <wartens2@llnl.gov>
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Date: Tue Aug 1 10:36:16 2023 -0400
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rpcb_clnt.c: Eliminate double frees in delete_cache()
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Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2224666
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Signed-off-by: Steve Dickson <steved@redhat.com>
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diff --git a/src/rpcb_clnt.c b/src/rpcb_clnt.c
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index c0a9e12..68fe69a 100644
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--- a/src/rpcb_clnt.c
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+++ b/src/rpcb_clnt.c
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@@ -262,12 +262,15 @@ delete_cache(addr)
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for (cptr = front; cptr != NULL; cptr = cptr->ac_next) {
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if (!memcmp(cptr->ac_taddr->buf, addr->buf, addr->len)) {
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/* Unlink from cache. We'll destroy it after releasing the mutex. */
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- if (cptr->ac_uaddr)
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+ if (cptr->ac_uaddr) {
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free(cptr->ac_uaddr);
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- if (prevptr)
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+ cptr->ac_uaddr = NULL;
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+ }
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+ if (prevptr) {
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prevptr->ac_next = cptr->ac_next;
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- else
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+ } else {
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front = cptr->ac_next;
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+ }
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cachesize--;
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break;
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}
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@ -2,7 +2,7 @@
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Name: libtirpc
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Version: 1.3.3
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Release: 5%{?dist}
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Release: 6%{?dist}
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Summary: Transport Independent RPC Library
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License: SISSL and BSD
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URL: http://git.linux-nfs.org/?p=steved/libtirpc.git;a=summary
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@ -29,6 +29,7 @@ Patch003: libtirpc-1.3.3-dos-sleep.patch
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#
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Patch004: libtirpc-1.3.3-null-ptrs-not-reused.patch
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Patch005: libtirpc-1.3.3-gssd-context-creation.patch
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Patch006: libtirpc-1.3.3-double-free.patch
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%description
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This package contains SunLib's implementation of transport-independent
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@ -129,6 +130,9 @@ mv %{buildroot}%{_mandir}/man3 %{buildroot}%{_mandir}/man3t
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%{_mandir}/*/*
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%changelog
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* Tue Mar 5 2024 Steve Dickson <steved@redhat.com> - 1.3.3-6
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- rpcb_clnt.c: Eliminate double frees in delete_cache() (RHEL-11183)
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* Mon Mar 4 2024 Steve Dickson <steved@redhat.com> - 1.3.3-5
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- Fix rpc_gss_seccreate() usage of the passed in gss credential. (RHEL-27936)
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