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| author | Purna Chandra Mandal <purna.mandal@microchip.com> | 2016-01-20 14:07:39 +0530 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-01-25 10:39:45 -0500 |
| commit | 8d4f11c2033d0621f22a1501d92616596a8d1a62 (patch) | |
| tree | 58a0eb54cf8373443b23202006dc114c7ad1212d /common | |
| parent | 6e2f1538959d79b54a0ceeed2f24643cf98ebaa4 (diff) | |
| download | blackbird-obmc-uboot-8d4f11c2033d0621f22a1501d92616596a8d1a62.tar.gz blackbird-obmc-uboot-8d4f11c2033d0621f22a1501d92616596a8d1a62.zip | |
bootm: fix size arg of flush_cache() in bootm_load_os().
Variable _load_end_ points to end address of uncompressed buffer
(*not* uncomress_buffer_end / sizeof(ulong)), so multipling uncompressed
size with sizeof(ulong) is grossly incorrect in flush_cache().
It might lead to access of address beyond valid memory range and hang the CPU.
Tested on MIPS architecture by using compressed(gzip, lzma)
and uncompressed uImage.
Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Diffstat (limited to 'common')
| -rw-r--r-- | common/bootm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/common/bootm.c b/common/bootm.c index 58936ca497..99d574db2c 100644 --- a/common/bootm.c +++ b/common/bootm.c @@ -435,7 +435,7 @@ static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end, bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); return err; } - flush_cache(load, (*load_end - load) * sizeof(ulong)); + flush_cache(load, *load_end - load); debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end); bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED); |
