diff --git a/arch/ia64/kernel/elfcore.c b/arch/ia64/kernel/elfcore.c index bac1639bc3207acf97192e3300e6a961eca10fa7..798ce543da4b1bdf644ebe406c3a2df9b8d8b3c3 100644 --- a/arch/ia64/kernel/elfcore.c +++ b/arch/ia64/kernel/elfcore.c @@ -11,8 +11,7 @@ Elf64_Half elf_core_extra_phdrs(void) return GATE_EHDR->e_phnum; } -int elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size, - unsigned long limit) +int elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset) { const struct elf_phdr *const gate_phdrs = (const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff); @@ -35,8 +34,7 @@ int elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size, phdr.p_offset += ofs; } phdr.p_paddr = 0; /* match other core phdrs */ - *size += sizeof(phdr); - if (*size > limit || !dump_write(file, &phdr, sizeof(phdr))) + if (!dump_emit(cprm, &phdr, sizeof(phdr))) return 0; } return 1; diff --git a/arch/x86/um/elfcore.c b/arch/x86/um/elfcore.c index 6bb49b687c9791a379317343d6597d996fa72402..fc21f98efafe159b2e842cc20cbd589b0f45951c 100644 --- a/arch/x86/um/elfcore.c +++ b/arch/x86/um/elfcore.c @@ -11,8 +11,7 @@ Elf32_Half elf_core_extra_phdrs(void) return vsyscall_ehdr ? (((struct elfhdr *)vsyscall_ehdr)->e_phnum) : 0; } -int elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size, - unsigned long limit) +int elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset) { if ( vsyscall_ehdr ) { const struct elfhdr *const ehdrp = @@ -32,9 +31,7 @@ int elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size, phdr.p_offset += ofs; } phdr.p_paddr = 0; /* match other core phdrs */ - *size += sizeof(phdr); - if (*size > limit - || !dump_write(file, &phdr, sizeof(phdr))) + if (!dump_emit(cprm, &phdr, sizeof(phdr))) return 0; } } diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 00fd9c969a2716e04f387277fdc88c49afe5ebce..35c4886dae2d60ddcf182cbc068eee1277859540 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -2152,11 +2152,11 @@ static int elf_core_dump(struct coredump_params *cprm) if (!dump_emit(cprm, &phdr, sizeof(phdr))) goto end_coredump; } - size = cprm->written; - if (!elf_core_write_extra_phdrs(cprm->file, offset, &size, cprm->limit)) + if (!elf_core_write_extra_phdrs(cprm, offset)) goto end_coredump; + size = cprm->written; cprm->written = foffset; /* will disappear */ /* write out the notes section */ if (!write_note_info(&info, cprm)) diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index ea4c6273b4a5b02406fc7e7b457c676f30724a78..44db8b92121a0d7f00078b93999bbcbe517ac026 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -1791,9 +1791,11 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm) goto end_coredump; } - if (!elf_core_write_extra_phdrs(cprm->file, offset, &size, cprm->limit)) + cprm->written = size; + if (!elf_core_write_extra_phdrs(cprm, offset)) goto end_coredump; + size = cprm->written; /* write out the notes section */ for (i = 0; i < numnote; i++) if (!writenote(notes + i, cprm->file, &foffset)) diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h index cdd3d13efce7c24da5e65fc3d651b1564c3a20e0..1b92a8c406242d5988c0092995aab20971aa2bae 100644 --- a/include/linux/elfcore.h +++ b/include/linux/elfcore.h @@ -6,6 +6,8 @@ #include <asm/elf.h> #include <uapi/linux/elfcore.h> +struct coredump_params; + static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *regs) { #ifdef ELF_CORE_COPY_REGS @@ -63,8 +65,7 @@ static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregse */ extern Elf_Half elf_core_extra_phdrs(void); extern int -elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size, - unsigned long limit); +elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset); extern int elf_core_write_extra_data(struct file *file, size_t *size, unsigned long limit); extern size_t elf_core_extra_data_size(void); diff --git a/kernel/elfcore.c b/kernel/elfcore.c index ff915efef66db9d8635d13a2bf1a783c4059f00e..e556751d15d944d3ee51706bacb6d431979fe541 100644 --- a/kernel/elfcore.c +++ b/kernel/elfcore.c @@ -1,23 +1,19 @@ #include <linux/elf.h> #include <linux/fs.h> #include <linux/mm.h> - -#include <asm/elf.h> - +#include <linux/binfmts.h> Elf_Half __weak elf_core_extra_phdrs(void) { return 0; } -int __weak elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size, - unsigned long limit) +int __weak elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset) { return 1; } -int __weak elf_core_write_extra_data(struct file *file, size_t *size, - unsigned long limit) +int __weak elf_core_write_extra_data(struct coredump_params *cprm) { return 1; }