diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2022-12-22 19:12:50 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2023-01-05 16:12:12 +0100 |
| commit | 19e183b54528f11fafeca60fc6d0821e29ff281e (patch) | |
| tree | e4aac05d711fe595e1b3af09db0821b4fb066989 /include | |
| parent | arm64: mte: Fix double-freeing of the temporary tag storage during coredump (diff) | |
| download | linux-19e183b54528f11fafeca60fc6d0821e29ff281e.tar.xz linux-19e183b54528f11fafeca60fc6d0821e29ff281e.zip | |
elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
A subsequent fix for arm64 will use this parameter to parse the vma
information from the snapshot created by dump_vma_snapshot() rather than
traversing the vma list without the mmap_lock.
Fixes: 6dd8b1a0b6cb ("arm64: mte: Dump the MTE tags in the core file")
Cc: <stable@vger.kernel.org> # 5.18.x
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: Seth Jenkins <sethjenkins@google.com>
Suggested-by: Seth Jenkins <sethjenkins@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20221222181251.1345752-3-catalin.marinas@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/elfcore.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h index 9ec81290e3c8..bd5560542c79 100644 --- a/include/linux/elfcore.h +++ b/include/linux/elfcore.h @@ -105,14 +105,14 @@ int elf_core_copy_task_fpregs(struct task_struct *t, elf_fpregset_t *fpu); * Dumping its extra ELF program headers includes all the other information * a debugger needs to easily find how the gate DSO was being used. */ -extern Elf_Half elf_core_extra_phdrs(void); +extern Elf_Half elf_core_extra_phdrs(struct coredump_params *cprm); extern int elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset); extern int elf_core_write_extra_data(struct coredump_params *cprm); -extern size_t elf_core_extra_data_size(void); +extern size_t elf_core_extra_data_size(struct coredump_params *cprm); #else -static inline Elf_Half elf_core_extra_phdrs(void) +static inline Elf_Half elf_core_extra_phdrs(struct coredump_params *cprm) { return 0; } @@ -127,7 +127,7 @@ static inline int elf_core_write_extra_data(struct coredump_params *cprm) return 1; } -static inline size_t elf_core_extra_data_size(void) +static inline size_t elf_core_extra_data_size(struct coredump_params *cprm) { return 0; } |