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elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}

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A subsequent fix for arm64 will use this parameter to parse the vma
information from the snapshot created by dump_vma_snapshot() rather than
traversing the vma list without the mmap_lock.

Fixes: 6dd8b1a0b6 ("arm64: mte: Dump the MTE tags in the core file")
Cc: <stable@vger.kernel.org> # 5.18.x
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: Seth Jenkins <sethjenkins@google.com>
Suggested-by: Seth Jenkins <sethjenkins@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20221222181251.1345752-3-catalin.marinas@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Catalin Marinas 2022-12-22 18:12:50 +00:00 • committed by Will Deacon
parent 736eedc974
commit 19e183b545
6 changed files with 14 additions and 14 deletions
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4
arch/ia64/kernel/elfcore.c
View file

@ -7,7 +7,7 @@
#include <asm/elf.h>
Elf64_Half elf_core_extra_phdrs(void)
Elf64_Half elf_core_extra_phdrs(struct coredump_params *cprm)
{
return GATE_EHDR->e_phnum;
}
@ -60,7 +60,7 @@ int elf_core_write_extra_data(struct coredump_params *cprm)
return 1;
}
size_t elf_core_extra_data_size(void)
size_t elf_core_extra_data_size(struct coredump_params *cprm)
{
const struct elf_phdr *const gate_phdrs =
(const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff);