+ liveupdate-luo_session-add-sessions-support-fix.patch added to mm-nonmm-unstable branch

+ liveupdate-luo_session-add-sessions-support-fix.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Subject: liveupdate-luo_session-add-sessions-support-fix
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     liveupdate-luo_session-add-sessions-support-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/liveupdate-luo_session-add-sessions-support-fix.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days

------------------------------------------------------
From: Pasha Tatashin <pasha.tatashin@soleen.com>
Subject: liveupdate-luo_session-add-sessions-support-fix
Date: Thu, 13 Nov 2025 23:29:18 -0500

fix sparse warning

Link: https://lkml.kernel.org/r/CA+CK2bBR5qqRMNKVYezCn3RsHx4=YLGsPaCb5DhveEQi3k6N+Q@mail.gmail.com
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202511140809.4JN2GCxV-lkp@intel.com/
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/liveupdate/luo_session.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/kernel/liveupdate/luo_session.c~liveupdate-luo_session-add-sessions-support-fix
+++ a/kernel/liveupdate/luo_session.c
@@ -98,7 +98,9 @@ struct luo_session_global {
 	struct luo_session_head incoming;
 	struct luo_session_head outgoing;
 	bool deserialized;
-} luo_session_global;
+};
+
+static struct luo_session_global luo_session_global;
 
 static struct luo_session *luo_session_alloc(const char *name)
 {
_

Patches currently in -mm which might be from pasha.tatashin@soleen.com are

lib-test_kho-check-if-kho-is-enabled.patch
kho-make-debugfs-interface-optional.patch
kho-add-interfaces-to-unpreserve-folios-page-ranges-and-vmalloc.patch
memblock-unpreserve-memory-in-case-of-error.patch
test_kho-unpreserve-memory-in-case-of-error.patch
kho-dont-unpreserve-memory-during-abort.patch
liveupdate-kho-move-to-kernel-liveupdate.patch
liveupdate-kho-move-to-kernel-liveupdate-fix.patch
maintainers-update-kho-maintainers.patch
kho-fix-misleading-log-message-in-kho_populate.patch
kho-convert-__kho_abort-to-return-void.patch
kho-introduce-high-level-memory-allocation-api.patch
kho-preserve-fdt-folio-only-once-during-initialization.patch
kho-verify-deserialization-status-and-fix-fdt-alignment-access.patch
kho-always-expose-output-fdt-in-debugfs.patch
kho-simplify-serialization-and-remove-__kho_abort.patch
kho-remove-global-preserved_mem_map-and-store-state-in-fdt.patch
kho-remove-abort-functionality-and-support-state-refresh.patch
kho-update-fdt-dynamically-for-subtree-addition-removal.patch
kho-allow-kexec-load-before-kho-finalization.patch
kho-allow-memory-preservation-state-updates-after-finalization.patch
kho-add-kconfig-option-to-enable-kho-by-default.patch
liveupdate-luo_core-luo_ioctl-live-update-orchestrator.patch
liveupdate-luo_core-integrate-with-kho.patch
reboot-call-liveupdate_reboot-before-kexec.patch
liveupdate-luo_session-add-sessions-support.patch
liveupdate-luo_session-add-sessions-support-fix.patch
liveupdate-luo_ioctl-add-user-interface.patch
liveupdate-luo_file-implement-file-systems-callbacks.patch
liveupdate-luo_session-add-ioctls-for-file-preservation-and-state-management.patch
liveupdate-luo_flb-introduce-file-lifecycle-bound-global-state.patch
docs-add-luo-documentation.patch
maintainers-add-liveupdate-entry.patch
selftests-liveupdate-add-userspace-api-selftests.patch
selftests-liveupdate-add-kexec-based-selftest-for-session-lifecycle.patch
selftests-liveupdate-add-kexec-test-for-multiple-and-empty-sessions.patch
tests-liveupdate-add-in-kernel-liveupdate-test.patch

+ liveupdate-luo_session-add-sessions-support-fix.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Subject: liveupdate: luo_session: fix use after free in luo_session_deserialize()
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     liveupdate-luo_session-add-sessions-support-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/liveupdate-luo_session-add-sessions-support-fix.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days

------------------------------------------------------
From: Dan Carpenter <dan.carpenter@linaro.org>
Subject: liveupdate: luo_session: fix use after free in luo_session_deserialize()
Date: Wed, 26 Nov 2025 17:51:40 +0300

The debug output frees "session" but it was freed on the previous line. 
Move the free after the printk().

Link: https://lkml.kernel.org/r/c5dd637d7eed3a3be48c5e9fedb881596a3b1f5a.1764163896.git.dan.carpenter@linaro.org
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Pratyush Yadav <pratyush@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/liveupdate/luo_session.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/liveupdate/luo_session.c~liveupdate-luo_session-add-sessions-support-fix
+++ a/kernel/liveupdate/luo_session.c
@@ -387,9 +387,9 @@ int luo_session_deserialize(void)
 
 		err = luo_session_insert(sh, session);
 		if (err) {
-			luo_session_free(session);
 			pr_warn("Failed to insert session [%s] %pe\n",
 				session->name, ERR_PTR(err));
+			luo_session_free(session);
 			return err;
 		}
 	}
_

Patches currently in -mm which might be from dan.carpenter@linaro.org are

liveupdate-luo_session-add-sessions-support-fix.patch