diff options
Diffstat (limited to 'meta/recipes-bsp/grub/files/0018-disk-ldm-Fix-memory-leak-on-uninserted-lv-references.patch')
| -rw-r--r-- | meta/recipes-bsp/grub/files/0018-disk-ldm-Fix-memory-leak-on-uninserted-lv-references.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/meta/recipes-bsp/grub/files/0018-disk-ldm-Fix-memory-leak-on-uninserted-lv-references.patch b/meta/recipes-bsp/grub/files/0018-disk-ldm-Fix-memory-leak-on-uninserted-lv-references.patch new file mode 100644 index 0000000000..26932f674c --- /dev/null +++ b/meta/recipes-bsp/grub/files/0018-disk-ldm-Fix-memory-leak-on-uninserted-lv-references.patch @@ -0,0 +1,50 @@ +From 3e1d2f1959acbe5152cdd5818d495f6455d1a158 Mon Sep 17 00:00:00 2001 +From: Darren Kenny <darren.kenny@oracle.com> +Date: Tue, 8 Dec 2020 10:00:51 +0000 +Subject: [PATCH] disk/ldm: Fix memory leak on uninserted lv references + +The problem here is that the memory allocated to the variable lv is not +yet inserted into the list that is being processed at the label fail2. + +As we can already see at line 342, which correctly frees lv before going +to fail2, we should also be doing that at these earlier jumps to fail2. + +Fixes: CID 73824 + +Signed-off-by: Darren Kenny <darren.kenny@oracle.com> +Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com> + +Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/grub.git/commit/?id=156c281a1625dc73fd350530630c6f2d5673d4f6] +Signed-off-by: Marta Rybczynska <marta.rybczynska@huawei.com> +--- + grub-core/disk/ldm.c | 10 ++++++++-- + 1 file changed, 8 insertions(+), 2 deletions(-) + +diff --git a/grub-core/disk/ldm.c b/grub-core/disk/ldm.c +index 54713f4..e82e989 100644 +--- a/grub-core/disk/ldm.c ++++ b/grub-core/disk/ldm.c +@@ -321,7 +321,10 @@ make_vg (grub_disk_t disk, + lv->visible = 1; + lv->segments = grub_zalloc (sizeof (*lv->segments)); + if (!lv->segments) +- goto fail2; ++ { ++ grub_free (lv); ++ goto fail2; ++ } + lv->segments->start_extent = 0; + lv->segments->type = GRUB_DISKFILTER_MIRROR; + lv->segments->node_count = 0; +@@ -329,7 +332,10 @@ make_vg (grub_disk_t disk, + lv->segments->nodes = grub_calloc (lv->segments->node_alloc, + sizeof (*lv->segments->nodes)); + if (!lv->segments->nodes) +- goto fail2; ++ { ++ grub_free (lv); ++ goto fail2; ++ } + ptr = vblk[i].dynamic; + if (ptr + *ptr + 1 >= vblk[i].dynamic + + sizeof (vblk[i].dynamic)) |