Tcl Source Code: View Ticket

Ticket UUID:	5ec43cfd9bf974320c70faa342a017e4b7e70abb
Title:	UpdateStringOfList(): signed integer overflow
Type:	Patch	Version:	core-8-6-branch
Submitter:	chrstphrchvz	Created on:	2022-10-04 06:14:57
Subsystem:	14. List Object	Assigned To:	jan.nijtmans
Priority:	5 Medium	Severity:	Minor
Status:	Closed	Last Modified:	2022-10-06 10:23:53
Resolution:	Fixed	Closed By:	jan.nijtmans
		Closed on:	2022-10-06 10:23:53
Description:	…which this example script triggers and the attached patch prevents: # s has string representation with length INT_MAX-1 set s [string repeat [string repeat {a} 14949] 143654] set l [list aa $s] puts [string is upper $l] tcl/generic/tclListObj.c:1988:14: runtime error: signed integer overflow: 2 + 2147483646 cannot be represented in type 'int' max size for a Tcl value (2147483647 bytes) exceeded (tclsh aborts)
User Comments:	jan.nijtmans added on 2022-10-06 10:23:53: Should be fixed [0e2b23ff845b1e1b\|here]

Attachments:

5ec43cfd9bf9.diff [download] added by chrstphrchvz on 2022-10-04 06:16:37. [details]