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[Bug ld/18899] New: sha1.c:324 sanitizer runtime error: load of misalign
From: |
zeccav at gmail dot com |
Subject: |
[Bug ld/18899] New: sha1.c:324 sanitizer runtime error: load of misaligned address 0x62f00011847e for type 'const sha1_uint32', which requires 4 byte alignment |
Date: |
Sat, 29 Aug 2015 21:15:59 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=18899
Bug ID: 18899
Summary: sha1.c:324 sanitizer runtime error: load of misaligned
address 0x62f00011847e for type 'const sha1_uint32',
which requires 4 byte alignment
Product: binutils
Version: 2.25
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: zeccav at gmail dot com
Target Milestone: ---
While building the Fedora 21 kernel 4.1.6-100 with a sanitized version of ld
I got the following sanitizer messages (gcc -fsanitize=undefined)
sha1.c:324:11: runtime error: load of misaligned address 0x62f00011847e for
type 'const sha1_uint32', which requires 4 byte alignment
0x62f00011847e: note: pointer points here
84 00 00 00 00 00 55 be 1a 00 00 00 48 c7 c7 60 7f c1 82 48 89 e5 e8 7b 03
ed fe 5d c3 66 0f 1f
^
sha1.c:324:11: runtime error: load of misaligned address 0x62f00011847e for
type 'const sha1_uint32', which requires 4 byte alignment
0x62f00011847e: note: pointer points here
84 00 00 00 00 00 55 be 1a 00 00 00 48 c7 c7 60 7f c1 82 48 89 e5 e8 7b 03
ed fe 5d c3 66 0f 1f
^
sha1.c:324:11: runtime error: load of misaligned address 0x62f00011847e for
type 'const sha1_uint32', which requires 4 byte alignment
0x62f00011847e: note: pointer points here
84 00 00 00 00 00 55 be 1a 00 00 00 48 c7 c7 60 7f c1 82 48 89 e5 e8 7b 03
ed fe 5d c3 66 0f 1f
^
sha1.c:324:11: runtime error: load of misaligned address 0x62f00011847e for
type 'const sha1_uint32', which requires 4 byte alignment
0x62f00011847e: note: pointer points here
84 00 00 00 00 00 55 be 1a 00 00 00 48 c7 c7 60 7f c1 82 48 89 e5 e8 7b 03
ed fe 5d c3 66 0f 1f
sha1.c:324 is
x[t] = SWAP (*words);
so it seems that words is not a multiple of four, but it should point to type
sha1_uint32 which is four bytes aligned.
This is on x86-64 building "LD init/built-in.o" and the command is
ld -m elf_x86_64 --build-id -X -o .tmp_vmlinux1 -T
./arch/x86/kernel/vmlinux.lds arch/x86/kernel/head_64.o
arch/x86/kernel/head64.o arch/x86/kernel/head.o init/built-in.o --start-group
usr/built-in.o arch/x86/built-in.o kernel/built-in.o mm/built-in.o
fs/built-in.o ipc/built-in.o security/built-in.o crypto/built-in.o
block/built-in.o lib/lib.a arch/x86/lib/lib.a lib/built-in.o
arch/x86/lib/built-in.o drivers/built-in.o sound/built-in.o firmware/built-in.o
arch/x86/pci/built-in.o arch/x86/power/built-in.o arch/x86/video/built-in.o
net/built-in.o --end-group
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- [Bug ld/18899] New: sha1.c:324 sanitizer runtime error: load of misaligned address 0x62f00011847e for type 'const sha1_uint32', which requires 4 byte alignment,
zeccav at gmail dot com <=