ubsan elfnn-aarch64.c:7142 shift exponent 32 is too large
Alan Modra
amodra@gmail.com
Wed Sep 2 08:42:46 GMT 2020
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Wed Sep 2 08:42:46 GMT 2020
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* elfnn-aarch64.c (elfNN_aarch64_relocate_section): Correct type of constant shifted left. diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c index 302d8dd7e6..5b4c189b59 100644 --- a/bfd/elfnn-aarch64.c +++ b/bfd/elfnn-aarch64.c @@ -7139,7 +7139,7 @@ elfNN_aarch64_relocate_section (bfd *output_bfd, Try to catch this situation here and provide a more helpful error message to the user. */ - if (addend & ((1UL << howto->rightshift) - 1) + if (addend & (((bfd_vma) 1 << howto->rightshift) - 1) /* FIXME: Are we testing all of the appropriate reloc types here ? */ && (real_r_type == BFD_RELOC_AARCH64_LD_LO19_PCREL -- Alan Modra Australia Development Lab, IBM
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