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zdump/dfi_elf: Support core dumps of vr-kernels

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Support vmcore based dumps (ngdump, zfcpdump) with uncoupled physical and
virtual addresses. For that we just remove p_paddr != p_vaddr sanity check
for elf load headers.

Acked-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
This commit is contained in:
Mikhail Zaslonko
2024-05-17 18:23:36 +02:00
committed by Steffen Eiden
parent f6e932e0fd
commit 613353cd33
1 changed files with 0 additions and 4 deletions
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4
zdump/dfi_elf_common.c
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@@ -30,10 +30,6 @@ int pt_load_add(const struct zg_fh *fh, const Elf64_Phdr *phdr, void **data,
__func__, phdr->p_paddr, phdr->p_vaddr, phdr->p_offset, phdr->p_filesz,
phdr->p_memsz);
if (phdr->p_paddr != phdr->p_vaddr) {
STDERR("Dump file \"%s\" is a user space core dump\n", fh->path);
return -EINVAL;
}
if (phdr->p_memsz == 0)
return -EINVAL;
if (phdr->p_offset + phdr->p_filesz > zg_size(fh))