Displaying 2 results from an estimated 2 matches for "__strlen_avx2".
2020 Sep 27
1
strange crash with md5p8.diff + xxhash
..., symtimes, hardlinks, hardlink-specials,
hardlink-symlinks, IPv6, atimes, batchfiles, inplace, append, ACLs,
xattrs, optional protect-args, iconv, prealloc, stop-at, no crtimes
Optimizations:
SIMD, asm, openssl-crypto
Checksum list:
Program received signal SIGSEGV, Segmentation fault.
__strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:65
65 VPCMPEQ (%rdi), %ymm0, %ymm1
(gdb) back
#0 __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:65
#1 0x000000000045274b in strlcpy (d=d at entry=0x7fffffffbe7f "",
s=0x100000000 <error: Cannot access mem...
2019 Apr 18
1
R prompt updates are not validated
...options(prompt = big)
Running R with gdb and interrupting to get backtraces shows that 'pushReadLine' in 'unix/sys-std.c' results in a chain of libreadline calls, including, in my case at least, UTF-8 and a lot of __strlen_avx2 activity. 'R_PromptString' in 'main.c' should check prompt is a reasonable length, as well as a check when setting the prompt in 'options.c'. This may be a readline bug, too? I watched it do nothing for a while, it didn't seem to accumulate much or any new memory while w...