diff options
| -rw-r--r-- | fs/binfmt_elf.c | 4 | ||||
| -rw-r--r-- | fs/binfmt_elf_fdpic.c | 12 | ||||
| -rw-r--r-- | fs/proc/vmcore.c | 4 | ||||
| -rw-r--r-- | include/uapi/linux/elf.h | 3 |
4 files changed, 10 insertions, 13 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 1033fbdfdbec..983ce34115d5 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -1517,7 +1517,7 @@ static void fill_elf_note_phdr(struct elf_phdr *phdr, int sz, loff_t offset) phdr->p_filesz = sz; phdr->p_memsz = 0; phdr->p_flags = 0; - phdr->p_align = 0; + phdr->p_align = 4; } static void fill_note(struct memelfnote *note, const char *name, int type, @@ -1773,7 +1773,7 @@ static int fill_thread_core_info(struct elf_thread_core_info *t, /* * NT_PRSTATUS is the one special case, because the regset data * goes into the pr_reg field inside the note contents, rather - * than being the whole note contents. We fill the reset in here. + * than being the whole note contents. We fill the regset in here. * We assume that regset 0 is NT_PRSTATUS. */ fill_prstatus(&t->prstatus.common, t->task, signr); diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index 05a1471d5283..1c6c5832af86 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -743,12 +743,12 @@ static int elf_fdpic_map_file(struct elf_fdpic_params *params, struct elf32_fdpic_loadmap *loadmap; #ifdef CONFIG_MMU struct elf32_fdpic_loadseg *mseg; + unsigned long load_addr; #endif struct elf32_fdpic_loadseg *seg; struct elf32_phdr *phdr; - unsigned long load_addr, stop; unsigned nloads, tmp; - size_t size; + unsigned long stop; int loop, ret; /* allocate a load map table */ @@ -760,8 +760,7 @@ static int elf_fdpic_map_file(struct elf_fdpic_params *params, if (nloads == 0) return -ELIBBAD; - size = sizeof(*loadmap) + nloads * sizeof(*seg); - loadmap = kzalloc(size, GFP_KERNEL); + loadmap = kzalloc(struct_size(loadmap, segs, nloads), GFP_KERNEL); if (!loadmap) return -ENOMEM; @@ -770,9 +769,6 @@ static int elf_fdpic_map_file(struct elf_fdpic_params *params, loadmap->version = ELF32_FDPIC_LOADMAP_VERSION; loadmap->nsegs = nloads; - load_addr = params->load_addr; - seg = loadmap->segs; - /* map the requested LOADs into the memory space */ switch (params->flags & ELF_FDPIC_FLAG_ARRANGEMENT) { case ELF_FDPIC_FLAG_CONSTDISP: @@ -1269,7 +1265,7 @@ static inline void fill_elf_note_phdr(struct elf_phdr *phdr, int sz, loff_t offs phdr->p_filesz = sz; phdr->p_memsz = 0; phdr->p_flags = 0; - phdr->p_align = 0; + phdr->p_align = 4; return; } diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c index 03f5963914a1..cb80a7703d58 100644 --- a/fs/proc/vmcore.c +++ b/fs/proc/vmcore.c @@ -877,7 +877,7 @@ static int __init merge_note_headers_elf64(char *elfptr, size_t *elfsz, phdr.p_offset = roundup(note_off, PAGE_SIZE); phdr.p_vaddr = phdr.p_paddr = 0; phdr.p_filesz = phdr.p_memsz = phdr_sz; - phdr.p_align = 0; + phdr.p_align = 4; /* Add merged PT_NOTE program header*/ tmp = elfptr + sizeof(Elf64_Ehdr); @@ -1068,7 +1068,7 @@ static int __init merge_note_headers_elf32(char *elfptr, size_t *elfsz, phdr.p_offset = roundup(note_off, PAGE_SIZE); phdr.p_vaddr = phdr.p_paddr = 0; phdr.p_filesz = phdr.p_memsz = phdr_sz; - phdr.p_align = 0; + phdr.p_align = 4; /* Add merged PT_NOTE program header*/ tmp = elfptr + sizeof(Elf32_Ehdr); diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h index ac3da855fb19..4d1c8d46e7f0 100644 --- a/include/uapi/linux/elf.h +++ b/include/uapi/linux/elf.h @@ -372,7 +372,8 @@ typedef struct elf64_shdr { * Notes used in ET_CORE. Architectures export some of the arch register sets * using the corresponding note types via the PTRACE_GETREGSET and * PTRACE_SETREGSET requests. - * The note name for all these is "LINUX". + * The note name for these types is "LINUX", except NT_PRFPREG that is named + * "CORE". */ #define NT_PRSTATUS 1 #define NT_PRFPREG 2 |