Messages in this thread | | | Date | Tue, 13 Apr 2021 16:34:06 +0200 | From | Petr Mladek <> | Subject | Re: [PATCH v4 01/13] buildid: Only consider GNU notes for build ID parsing |
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On Fri 2021-04-09 18:52:48, Stephen Boyd wrote: > Some kernel elf files have various notes that also happen to have an elf > note type of '3', which matches NT_GNU_BUILD_ID but the note name isn't > "GNU". For example, this note trips up the existing logic: > > Owner Data size Description > Xen 0x00000008 Unknown note type: (0x00000003) description data: 00 00 00 ffffff80 ffffffff ffffffff ffffffff ffffffff > > Let's make sure that it is a GNU note when parsing the build ID so that > we can use this function to parse a vmlinux's build ID too. > > Reported-by: Petr Mladek <pmladek@suse.com> > Cc: Jiri Olsa <jolsa@kernel.org> > Cc: Alexei Starovoitov <ast@kernel.org> > Cc: Jessica Yu <jeyu@kernel.org> > Cc: Evan Green <evgreen@chromium.org> > Cc: Hsin-Yi Wang <hsinyi@chromium.org> > Fixes: bd7525dacd7e ("bpf: Move stack_map_get_build_id into lib") > Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Petr Mladek <pmladek@suse.com>
Best Regards, Petr
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