Date: Fri, 14 Jan 2022 17:28:52 -0800 From: Mark Millard <marklmi@yahoo.com> To: freebsd-current <freebsd-current@freebsd.org> Subject: ASAN: "ls -l, *" AddressSanitizer warning: "unexpected format specifier in printf interceptor: %*j'" Message-ID: <E0EF7981-E12D-401E-B375-3DDBF7ED3D75@yahoo.com>
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# ls -l, * /usr/main-src/lib/libc/stdio/fread.c:133:10: runtime error: applying zero offset to null pointer SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /usr/main-src/lib/libc/stdio/fread.c:133:10 in ==47404==AddressSanitizer: WARNING: unexpected format specifier in printf interceptor: %*j' (reported once per process) -rwxr-xr-x 1 root wheel 4287752 Jan 14 14:14 a.out -rw-r--r-- 1 root wheel 281 Jul 2 2021 bt.c -rw-r--r-- 1 root wheel 580662 Jan 15 01:10 kyua-test-run2.txt -rw-r--r-- 1 root wheel 2128 Apr 22 2021 listen_sock_peercred.c -rw-r--r-- 1 root wheel 149 Jan 14 14:14 sigaltstack_get.c -rw-r--r-- 1 root wheel 50 Jul 16 2021 trivial.cpp Unfortunately, running under lldb did not stop for the "unexpected format specifier in printf interceptor" notice, so I do not have a backtrace for this. === Mark Millard marklmi at yahoo.comhelp
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