]> git.baikalelectronics.ru Git - kernel.git/commit
fs/binfmt_elf: use PT_LOAD p_align values for static PIE
authorH.J. Lu <hjl.tools@gmail.com>
Thu, 20 Jan 2022 02:09:40 +0000 (18:09 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 20 Jan 2022 06:52:54 +0000 (08:52 +0200)
commitce42c79a5dcd9229c97dd8f7d60f58957d1e5c94
tree3bef10ed9e2db16ae7580d1a643bbfa706ff3875
parent8d53fc8ce9ef75b3807d897a953779d48985d04d
fs/binfmt_elf: use PT_LOAD p_align values for static PIE

Extend commit ce06ebaa015d ("fs/binfmt_elf: use PT_LOAD p_align values
for suitable start address") which fixed PIE binaries built with
-Wl,-z,max-page-size=0x200000, to cover static PIE binaries.  This
fixes:

    https://bugzilla.kernel.org/show_bug.cgi?id=215275

Tested by verifying static PIE binaries with -Wl,-z,max-page-size=0x200000 loading.

Link: https://lkml.kernel.org/r/20211209174052.370537-1-hjl.tools@gmail.com
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Cc: Chris Kennelly <ckennelly@google.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Sandeep Patil <sspatil@google.com>
Cc: Fangrui Song <maskray@google.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/binfmt_elf.c