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charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jun 06, 2023 at 11:31:00AM +0300, Dan Carpenter wrote: > [ Ancient code warning. - dan ] >=20 > Hello Quentin Casasnovas, >=20 > The patch 52dc0595d540: "modpost: handle relocations mismatch in > __ex_table." from Apr 13, 2015, leads to the following Smatch static > checker warning: >=20 > ./scripts/mod/modpost.c:1154 is_executable_section() > warn: array off by one? 'elf->sechdrs[secndx]' >=20 > ./scripts/mod/modpost.c > 1149 static bool is_executable_section(struct elf_info *elf, unsigned= int secndx) > 1150 { > 1151 if (secndx > elf->num_sections) > ^^^^^^^^^^^^^^^^^^^^^^^^^^ > I'm not positive, but I think this should be >=3D. >=20 > 1152 return false; > 1153=20 > --> 1154 return (elf->sechdrs[secndx].sh_flags & SHF_EXECINSTR) != =3D 0; > ^^^^^^ > out of bounds read. >=20 Oops, that is embarassing - thanks for catching that! Have you already prepared a fix or shall I send it over? Q > 1155 } >=20 > regards, > dan carpenter --qVILmR+AH3mk1ntg Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE3Qb0Ymptb2fJafIXHlO3TWmj1w0FAmSG5zwACgkQHlO3TWmj 1w1dUBAAhJaAQC4e06lamXwpwH9u82fEbXrTxglcLdsNyGESOmidYGtcp8kQxafm gYu4QOZmDvXLWaRbJf42SPlUrDXRGImXZ3H8tERZ90QmAhbwrPRkh3UjM+j6iIqW L665UW2qRZgSP5hiqYxxkEhHqcOl1uyByKbAVd/U8EnQ2ujESt9EjALUPt6W4uKM s2K4Y1kdH8I5TjOXQYX6eAe5gyNOfNer/ofT2oD1cE8pWblUDeD560Bnx6FuX3yH 7baIzSf4U7o9jevxT0yWDxjs/xGgpyvbwsX3s9YvgL93PhrZcjBJS73XyF1uK+wC gj8mVFnPK0xyrcicW70EM6ekPAhYosu6DbgWsMmoA1II9Fhl85/BsbHRVppRAU+6 tMtyV36egNfTdiDdKzqew0Utqk6ZwE/XbFBI+PiC5TAH5RF0az+/PU9MhV/QSfCv jC6EF0Vk7bTUNMzi1BmtwXOC622Nwy4jYnmGsmgBbybx1vDoL7m9rC68CMDOveZK 7Ex81/ACCtVwU9cPeN0bTqvsVRtw4r2ZDKf2soEsBnsQFgwVwCko2gMQOOCGyu3v W6tE48fc57mKo1GnISrdQzYd4aYVD55kHqmy5k5+XupBUOOw2MFbDRWISnkTvOEV rghMlsz9IBhb7e0xSVwD+dGE6lLjttrVrOq9nEH7J6+IhpsQeP8= =jIRE -----END PGP SIGNATURE----- --qVILmR+AH3mk1ntg--