diff options
| author | Mark Wielaard <[email protected]> | 2013-11-05 16:27:32 +0100 |
|---|---|---|
| committer | Mark Wielaard <[email protected]> | 2013-11-05 22:17:51 +0100 |
| commit | 88ad5ddb71bd1fa8ed043a840157ebf23c0057b3 (patch) | |
| tree | 8f586c9dafd72c118f29f287fc2b0cf4ff8ac232 /libelf/elf32_updatefile.c | |
| parent | cdc094394319969ba407e11efa06fefb31f5026b (diff) | |
libelf: Write all section headers if elf flags contains ELF_F_DIRTY.
When ehdr e_shoff changes, elf flags is set dirty. This indicates that
the section header moved because sections were added/removed or changed
in size.
Reported-by: Jiri Slaby <[email protected]>
Signed-off-by: Mark Wielaard <[email protected]>
Diffstat (limited to 'libelf/elf32_updatefile.c')
| -rw-r--r-- | libelf/elf32_updatefile.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libelf/elf32_updatefile.c b/libelf/elf32_updatefile.c index 296b1ac9..c4af9c02 100644 --- a/libelf/elf32_updatefile.c +++ b/libelf/elf32_updatefile.c @@ -633,7 +633,8 @@ __elfw2(LIBELFBITS,updatefile) (Elf *elf, int change_bo, size_t shnum) #endif ElfW2(LIBELFBITS,Shdr) *shdr_data; - if (change_bo || elf->state.ELFW(elf,LIBELFBITS).shdr == NULL) + if (change_bo || elf->state.ELFW(elf,LIBELFBITS).shdr == NULL + || (elf->flags & ELF_F_DIRTY)) shdr_data = (ElfW2(LIBELFBITS,Shdr) *) alloca (shnum * sizeof (ElfW2(LIBELFBITS,Shdr))); else @@ -764,7 +765,8 @@ __elfw2(LIBELFBITS,updatefile) (Elf *elf, int change_bo, size_t shnum) (*shdr_fctp) (&shdr_data[scn->index], scn->shdr.ELFW(e,LIBELFBITS), sizeof (ElfW2(LIBELFBITS,Shdr)), 1); - else if (elf->state.ELFW(elf,LIBELFBITS).shdr == NULL) + else if (elf->state.ELFW(elf,LIBELFBITS).shdr == NULL + || (elf->flags & ELF_F_DIRTY)) memcpy (&shdr_data[scn->index], scn->shdr.ELFW(e,LIBELFBITS), sizeof (ElfW2(LIBELFBITS,Shdr))); |