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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-12-31 19:57:10 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-12-31 19:57:10 +0100 |
| commit | 31336ed90cdc866ac25d36851e91df532837c763 (patch) | |
| tree | 9f141429f6e831a20caf47d9b8ef009b537a7c0b | |
| parent | Merge tag 'char-misc-4.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/g... (diff) | |
| parent | objtool: Fix seg fault with clang-compiled objects (diff) | |
| download | linux-31336ed90cdc866ac25d36851e91df532837c763.tar.xz linux-31336ed90cdc866ac25d36851e91df532837c763.zip | |
Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Thomas Gleixner:
"Three fixlets for objtool:
- Address two segfaults related to missing parameter and clang
objects
- Make it compile clean with clang"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Fix seg fault with clang-compiled objects
objtool: Fix seg fault caused by missing parameter
objtool: Fix Clang enum conversion warning
| -rw-r--r-- | tools/objtool/arch/x86/decode.c | 2 | ||||
| -rw-r--r-- | tools/objtool/builtin-orc.c | 4 | ||||
| -rw-r--r-- | tools/objtool/orc_gen.c | 2 |
3 files changed, 6 insertions, 2 deletions
diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c index 8acfc47af70e..540a209b78ab 100644 --- a/tools/objtool/arch/x86/decode.c +++ b/tools/objtool/arch/x86/decode.c @@ -138,7 +138,7 @@ int arch_decode_instruction(struct elf *elf, struct section *sec, *type = INSN_STACK; op->src.type = OP_SRC_ADD; op->src.reg = op_to_cfi_reg[modrm_reg][rex_r]; - op->dest.type = OP_SRC_REG; + op->dest.type = OP_DEST_REG; op->dest.reg = CFI_SP; } break; diff --git a/tools/objtool/builtin-orc.c b/tools/objtool/builtin-orc.c index 4c6b5c9ef073..91e8e19ff5e0 100644 --- a/tools/objtool/builtin-orc.c +++ b/tools/objtool/builtin-orc.c @@ -44,6 +44,9 @@ int cmd_orc(int argc, const char **argv) const char *objname; argc--; argv++; + if (argc <= 0) + usage_with_options(orc_usage, check_options); + if (!strncmp(argv[0], "gen", 3)) { argc = parse_options(argc, argv, check_options, orc_usage, 0); if (argc != 1) @@ -52,7 +55,6 @@ int cmd_orc(int argc, const char **argv) objname = argv[0]; return check(objname, no_fp, no_unreachable, true); - } if (!strcmp(argv[0], "dump")) { diff --git a/tools/objtool/orc_gen.c b/tools/objtool/orc_gen.c index e5ca31429c9b..e61fe703197b 100644 --- a/tools/objtool/orc_gen.c +++ b/tools/objtool/orc_gen.c @@ -165,6 +165,8 @@ int create_orc_sections(struct objtool_file *file) /* create .orc_unwind_ip and .rela.orc_unwind_ip sections */ sec = elf_create_section(file->elf, ".orc_unwind_ip", sizeof(int), idx); + if (!sec) + return -1; ip_relasec = elf_create_rela_section(file->elf, sec); if (!ip_relasec) |