Re: signed integer overflow ipow() bash/expr.c:954:12
Chet Ramey <[email protected]>
| Newsgroups | gmane.comp.shells.bash.bugs |
|---|---|
| Organization | ITS, Case Western Reserve University |
| Message-ID | <[email protected]> |
On 12/19/25 6:45 PM, anushakov--- via Bug reports for the GNU Bourne Again SHell wrote: > Expected Behaviour > Any messages without ubsan ERROR. > > Actual Behaviour > > expr.c:954:12: runtime error: signed integer overflow: 4294967296 * > 4294967296 cannot be represented in type 'intmax_t' (aka 'long') > #0 0x617b39d06378 in ipow /upstream/bash/expr.c:954:12 Bash expression evaluation performs integer arithmetic without checking for overflow. It's documented. -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU [email protected] http://tiswww.cwru.edu/~chet/
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