diff options
| -rw-r--r-- | src/common/mac/macho_id.cc | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/common/mac/macho_id.cc b/src/common/mac/macho_id.cc index c45329ed..728bd47e 100644 --- a/src/common/mac/macho_id.cc +++ b/src/common/mac/macho_id.cc @@ -275,7 +275,11 @@ bool MachoID::WalkerCB(MachoWalker *walker, load_command *cmd, off_t offset, if (swap) swap_section(&sec, 1, NXHostByteOrder()); - macho_id->Update(walker, header_offset + sec.offset, sec.size); + // sections of type S_ZEROFILL are "virtual" and contain no data + // in the file itself + if ((sec.flags & SECTION_TYPE) != S_ZEROFILL && sec.offset != 0) + macho_id->Update(walker, header_offset + sec.offset, sec.size); + offset += sizeof(struct section); } } else if (cmd->cmd == LC_SEGMENT_64) { @@ -304,7 +308,11 @@ bool MachoID::WalkerCB(MachoWalker *walker, load_command *cmd, off_t offset, if (swap) breakpad_swap_section_64(&sec64, 1, NXHostByteOrder()); - macho_id->Update(walker, header_offset + sec64.offset, sec64.size); + // sections of type S_ZEROFILL are "virtual" and contain no data + // in the file itself + if ((sec64.flags & SECTION_TYPE) != S_ZEROFILL && sec64.offset != 0) + macho_id->Update(walker, header_offset + sec64.offset, sec64.size); + offset += sizeof(struct section_64); } } |