Am 28. Januar 2026 00:52:50 MEZ schrieb Marek Vasut 
<[email protected]>:
>The current implementation casts an address to a pointer. Make it more
>sandbox-friendly by using map_sysmem().
>
>Convert 'addr' variable to unsigned long, as that is the return type of
>hextoul() and address parameter type of map_sysmem().
>
>Signed-off-by: Marek Vasut <[email protected]>
>---
>Cc: Alexander Graf <[email protected]>
>Cc: Heinrich Schuchardt <[email protected]>
>Cc: Ilias Apalodimas <[email protected]>
>Cc: Jerome Forissier <[email protected]>
>Cc: Mattijs Korpershoek <[email protected]>
>Cc: Neil Armstrong <[email protected]>
>Cc: Peng Fan <[email protected]>
>Cc: Quentin Schulz <[email protected]>
>Cc: Simon Glass <[email protected]>
>Cc: Tom Rini <[email protected]>
>Cc: Yuya Hamamachi <[email protected]>
>Cc: [email protected]
>---
> cmd/unzip.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
>diff --git a/cmd/unzip.c b/cmd/unzip.c
>index e7a3f9808b2..b265f43f2ea 100644
>--- a/cmd/unzip.c
>+++ b/cmd/unzip.c
>@@ -50,7 +50,7 @@ static int do_gzwrite(struct cmd_tbl *cmdtp, int flag,
> {
>       struct blk_desc *bdev;
>       int ret;
>-      unsigned char *addr;
>+      unsigned long addr;
>       unsigned long length;
>       unsigned long writebuf = 1<<20;
>       u64 startoffs = 0;
>@@ -62,7 +62,7 @@ static int do_gzwrite(struct cmd_tbl *cmdtp, int flag,
>       if (ret < 0)
>               return CMD_RET_FAILURE;
> 
>-      addr = (unsigned char *)hextoul(argv[3], NULL);
>+      addr = hextoul(argv[3], NULL);
>       length = hextoul(argv[4], NULL);
> 
>       if (5 < argc) {
>@@ -75,7 +75,7 @@ static int do_gzwrite(struct cmd_tbl *cmdtp, int flag,
>               }
>       }
> 
>-      ret = gzwrite(addr, length, bdev, writebuf, startoffs, szexpected);
>+      ret = gzwrite(map_sysmem(addr, length), length, bdev, writebuf, 
>startoffs, szexpected);

unmap_sysmem() seems to be missing here.

Best regards

Heinrich

> 
>       return ret ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
> }

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