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 <[email protected]> > Cc: Jiri Olsa <[email protected]> > Cc: Alexei Starovoitov <[email protected]> > Cc: Jessica Yu <[email protected]> > Cc: Evan Green <[email protected]> > Cc: Hsin-Yi Wang <[email protected]> > Fixes: bd7525dacd7e ("bpf: Move stack_map_get_build_id into lib") > Signed-off-by: Stephen Boyd <[email protected]>
Tested-by: Petr Mladek <[email protected]> Best Regards, Petr
