Paul Pluzhnikov
365722ace6
Fix stack overflow with huge PT_NOTE segment [BZ #20419 ]
...
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419 ]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
2018-05-17 14:08:37 +02:00
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