Bug 8666

Summary: ash: Segmentation fault trapcmd (fuzzing)
Product: Busybox Reporter: Fernando Muñoz <fernando>
Component: OtherAssignee: unassigned
Status: RESOLVED DUPLICATE    
Severity: normal CC: busybox-cvs
Priority: P5    
Version: 1.24.x   
Target Milestone: ---   
Hardware: All   
OS: Linux   
Host: Target:
Build:
Attachments: crashing test

Description Fernando Muñoz 2016-02-09 16:05:30 UTC 
Created attachment 6306 [details]
crashing test

Current config:
https://paste.kde.org/pbsgwk4ob

(gdb) run sh fuzzed.sh 
Starting program: /root/fuzzshell/busybox_unstripped sh fuzzed.sh
fuzzed.sh: trap: line 1: USR340282366920938463463374607431768211456: invalid signal specification

Program received signal SIGSEGV, Segmentation fault.
0x0808bac5 in trapcmd ()
(gdb) bt
#0  0x0808bac5 in trapcmd ()
#1  0x00000000 in ?? ()

Valgrind reports

==15131== Invalid read of size 4
==15131==    at 0x808BAC5: trapcmd (in /root/fuzzshell/busybox_unstripped)
==15131==  Address 0x6ba9240c is not stack'd, malloc'd or (recently) free'd
Comment 1 Mike Frysinger 2016-02-13 03:31:21 UTC 
pretty sure it's just the same as bug 8661

*** This bug has been marked as a duplicate of bug 8661 ***