diff options
-rw-r--r-- | sys/kern/imgact_elf.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c index 3039011..81a79a3 100644 --- a/sys/kern/imgact_elf.c +++ b/sys/kern/imgact_elf.c @@ -1331,7 +1331,7 @@ static boolean_t __elfN(check_note)(struct image_params *imgp, Elf_Brandnote *checknote, int32_t *osrel) { - const Elf_Note *note, *note_end; + const Elf_Note *note, *note0, *note_end; const Elf_Phdr *phdr, *pnote; const Elf_Ehdr *hdr; const char *note_name; @@ -1352,12 +1352,12 @@ __elfN(check_note)(struct image_params *imgp, Elf_Brandnote *checknote, pnote->p_offset + pnote->p_filesz >= PAGE_SIZE) return (FALSE); - note = (const Elf_Note *)(imgp->image_header + pnote->p_offset); - if (!aligned(note, Elf32_Addr)) - return (FALSE); + note = note0 = (const Elf_Note *)(imgp->image_header + pnote->p_offset); note_end = (const Elf_Note *)(imgp->image_header + pnote->p_offset + pnote->p_filesz); - while (note < note_end) { + for (i = 0; i < 100 && note >= note0 && note < note_end; i++) { + if (!aligned(note, Elf32_Addr)) + return (FALSE); if (note->n_namesz != checknote->hdr.n_namesz || note->n_descsz != checknote->hdr.n_descsz || note->n_type != checknote->hdr.n_type) |