[Bug libdw/28720] UBSan: member access within misaligned address 0x7f6e8d80f142 for type 'struct Elf32_Phdr', which requires 4 byte alignment

evvers at ya dot ru sourceware-bugzilla@sourceware.org
Wed Dec 22 01:00:49 GMT 2021


https://sourceware.org/bugzilla/show_bug.cgi?id=28720

--- Comment #1 from Evgeny Vereshchagin <evvers at ya dot ru> ---
FWIW There are at least 4 uniq crashes honggfuzz has found related to either
"member access within misaligned address" or "load of misaligned address":

gelf_xlate.h:42:1: runtime error: member access within misaligned address

link_map.c:292:15: runtime error: load of misaligned address 0x7fffe5c60bde for
type 'Elf64_Addr'

link_map.c:283:15: runtime error: load of misaligned address

gelf_xlate.h:48:1: runtime error: member access within misaligned address

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