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[edk2-platforms][PATCH v3 09/11] Ext4Pkg: Add missing exit Status in Ext4OpenDirent
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Marvin Häuser
Reviewed-by: Marvin Häuser <mhaeuser@...>
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On 27. Jan 2023, at 15:28, Pedro Falcato <pedro.falcato@...> wrote: |
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Pedro Falcato
On Fri, Jan 27, 2023 at 9:29 AM Savva Mitrofanov <savvamtr@...> wrote:
Reviewed-by: Pedro Falcato <pedro.falcato@...> -- Pedro |
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Missing EFI_OUT_OF_RESOURCES exit status on failed Ext4CreateDentry
leads to NULL-pointer dereference in Ext4GetFileInfo (passing NULL buffer in Ext4ReadDir) Cc: Marvin Häuser <mhaeuser@...> Cc: Pedro Falcato <pedro.falcato@...> Cc: Vitaly Cheptsov <vit9696@...> Fixes: 21b1853880d5 ("Ext4Pkg: Add a directory entry tree.") Signed-off-by: Savva Mitrofanov <savvamtr@...> --- Features/Ext4Pkg/Ext4Dxe/Directory.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Features/Ext4Pkg/Ext4Dxe/Directory.c b/Features/Ext4Pkg/Ext4Dxe/Directory.c index 2e9a58a7e329..0753a20b5377 100644 --- a/Features/Ext4Pkg/Ext4Dxe/Directory.c +++ b/Features/Ext4Pkg/Ext4Dxe/Directory.c @@ -267,7 +267,8 @@ Ext4OpenDirent ( } else { File->Dentry = Ext4CreateDentry (FileName, Directory->Dentry); - if (!File->Dentry) { + if (File->Dentry == NULL) { + Status = EFI_OUT_OF_RESOURCES; goto Error; } } -- 2.39.0 |
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