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mc_replace_strmem
2025 Apr 30
3
[Bug 3819] New: safe_path may pass overlapping source and destination pointers on some systems
...naged to track down far enough to figure out how
to reproduce it or whether it's caused by Debian patches), I noticed
this in valgrind output:
sshd[22181]: ==22181== Source and destination overlap in
strlcpy(0x1ffeffd7e3, 0x1ffeffd7e3, 4096)
sshd[22181]: ==22181== at 0x484E64D: strlcpy
(vg_replace_strmem.c:667)
sshd[22181]: ==22181== by 0x189ED5: UnknownInlinedFun
(string_fortified.h:169)
sshd[22181]: ==22181== by 0x189ED5: safe_path (misc.c:2335)
sshd[22181]: ==22181== by 0x18A09D: safe_path_fd (misc.c:2376)
sshd[22181]: ==22181== by 0x138C47: auth_openfile
(auth2-pubkeyfile.c:...