diff options
Diffstat (limited to 'dev-libs/elfutils/files/elfutils-0.173-partial-core.patch')
| -rw-r--r-- | dev-libs/elfutils/files/elfutils-0.173-partial-core.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/dev-libs/elfutils/files/elfutils-0.173-partial-core.patch b/dev-libs/elfutils/files/elfutils-0.173-partial-core.patch new file mode 100644 index 000000000000..41ef14d66838 --- /dev/null +++ b/dev-libs/elfutils/files/elfutils-0.173-partial-core.patch @@ -0,0 +1,34 @@ +https://sourceware.org/PR24103 +https://bugs.gentoo.org/676794 + +From da5c5336a1eaf519de246f7d9f0f5585e1d4ac59 Mon Sep 17 00:00:00 2001 +From: Mark Wielaard <mark@klomp.org> +Date: Sun, 20 Jan 2019 23:05:56 +0100 +Subject: [PATCH] libdwfl: Sanity check partial core file dyn data read. + +When reading the dyn data from the core file check if we got everything, +or just part of the data. + +https://sourceware.org/bugzilla/show_bug.cgi?id=24103 + +Signed-off-by: Mark Wielaard <mark@klomp.org> +--- + libdwfl/dwfl_segment_report_module.c | 6 ++++++ + +--- a/libdwfl/dwfl_segment_report_module.c ++++ b/libdwfl/dwfl_segment_report_module.c +@@ -783,6 +783,12 @@ dwfl_segment_report_module (Dwfl *dwfl, int ndx, const char *name, + if (dyn_filesz != 0 && dyn_filesz % dyn_entsize == 0 + && ! read_portion (&dyn_data, &dyn_data_size, dyn_vaddr, dyn_filesz)) + { ++ /* dyn_data_size will be zero if we got everything from the initial ++ buffer, otherwise it will be the size of the new buffer that ++ could be read. */ ++ if (dyn_data_size != 0) ++ dyn_filesz = dyn_data_size; ++ + void *dyns = malloc (dyn_filesz); + Elf32_Dyn (*d32)[dyn_filesz / sizeof (Elf32_Dyn)] = dyns; + Elf64_Dyn (*d64)[dyn_filesz / sizeof (Elf64_Dyn)] = dyns; +-- +2.20.1 |