https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80364
Bug ID: 80364 Summary: sanitizer detects signed integer overflow in gimple-ssa-sprintf.c Product: gcc Version: 7.0.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: zeccav at gmail dot com Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu /* from pr72858.c */ /*../../gcc-trunk-246751/gcc/gimple-ssa-sprintf.c:1007:22: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int [3]'; cast to an unsigned type to negate this value to itself ../../gcc-trunk-246751/gcc/gimple-ssa-sprintf.c:773:7: runtime error: signed integer overflow: 1 + 9223372036854775807 cannot be represented in type 'long int [3]' */ /* COLLECT_GCC_OPTIONS='-S' '-v' '-mtune=generic' '-march=x86-64' */ #include <stdio.h> void test_everything (char *d, long lexpr) { sprintf (d, "before %-+*.*lld after", lexpr, lexpr, lexpr); }