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s390/kexec_file: Fix potential segment overlap in ELF loader
authorPhilipp Rudo <prudo@linux.ibm.com>
Mon, 1 Apr 2019 10:13:42 +0000 (12:13 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 29 Apr 2019 08:43:43 +0000 (10:43 +0200)
commit6339a3889ad4d0dd930ed7a1e873fb81d3e690f7
treeb3732ebceab3c5d5a05c0f045156760c6f75c6actree
parentf3df44e7c9869b7691a4a0b57fa39ca47060b424commit | diff
s390/kexec_file: Fix potential segment overlap in ELF loader

When loading an ELF image via kexec_file the segment alignment is ignored
in the calculation for the load address of the next segment. When there are
multiple segments this can lead to segment overlap and thus load failure.

Signed-off-by: Philipp Rudo <prudo@linux.ibm.com>
Fixes: 8be018827154 ("s390/kexec_file: Add ELF loader")
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/kexec_elf.c diff | blob | blame | history
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