Bug 26434 - UBSAN error: bfd/elf32-avr.c:1055:40:
Summary: UBSAN error: bfd/elf32-avr.c:1055:40:
Status: RESOLVED FIXED
Alias: None
Product: binutils
Classification: Unclassified
Component: binutils (show other bugs)
Version: 2.34
: P2 normal
Target Milestone: ---
Assignee: Alan Modra
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2020-08-20 12:15 UTC by Martin Liska
Modified: 2020-08-31 00:10 UTC (History)
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Description Martin Liska 2020-08-20 12:15:57 UTC 
The following fails when I build binutils with:
configure --build=x86_64-linux --disable-nls --disable-gdb --disable-gdbserver --disable-sim --disable-readline --disable-libdecnumber --enable-obsolete --target=avr-elf CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: avr-elf
FAIL: AVR .avr.prop, single .align sym at end of section test.
Executing on host: sh -c {./ld-new   -L/home/mliska/Programming/binutils/ld/testsuite/ld-avr  -mavrxmega2 --relax -o tmpdir/dump tmpdir/avr-prop-7.o  2>&1}  /dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/bfd/elf32-avr.c:1055:40: runtime error: left shift of negative value -2
Comment 1 Alan Modra 2020-08-31 00:10:07 UTC 
Fixed with commit 8c51f2f291a