Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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os
linux
Merge tag 'qcom-drivers-fixes-for-6.17' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm driver fixes for v6.17-rc1
The recently extended sanity checks for the Qualcomm firmware files
turned out to be too restrictive, preventing a variety of firmware
images from being loaded. Adjust the checks to allow section header
sizes of 0 when sections aren't used.
* tag 'qcom-drivers-fixes-for-6.17' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: mdt_loader: Deal with zero e_shentsize
Link: https://lore.kernel.org/r/20250811145613.120917-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
+7
-5
+7
-5
drivers/soc/qcom/mdt_loader.c
+7
-5
drivers/soc/qcom/mdt_loader.c
···
39
39
if (phend > fw->size)
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return false;
41
41
42
-
if (ehdr->e_shentsize != sizeof(struct elf32_shdr))
43
-
return false;
42
+
if (ehdr->e_shentsize || ehdr->e_shnum) {
43
+
if (ehdr->e_shentsize != sizeof(struct elf32_shdr))
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+
return false;
44
45
45
-
shend = size_add(size_mul(sizeof(struct elf32_shdr), ehdr->e_shnum), ehdr->e_shoff);
46
-
if (shend > fw->size)
47
-
return false;
46
+
shend = size_add(size_mul(sizeof(struct elf32_shdr), ehdr->e_shnum), ehdr->e_shoff);
47
+
if (shend > fw->size)
48
+
return false;
49
+
}
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return true;
50
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}