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| author | Paul Pluzhnikov <ppluzhnikov@google.com> | 2018-05-05 18:08:27 -0700 |
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| committer | Paul Pluzhnikov <ppluzhnikov@google.com> | 2018-05-05 18:08:27 -0700 |
| commit | 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c (patch) | |
| tree | fb1f587dbe38029797cdf5b3779b51b7cea3d680 /elf/interp.c | |
| parent | b289cd9db8286fa6c670104dd5dfcfc68d5d00d6 (diff) | |
| download | glibc-0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c.tar.gz glibc-0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c.tar.xz glibc-0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c.zip | |
Fix 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.
Diffstat (limited to 'elf/interp.c')
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