Bug 8716

Summary: shell/ash.c:527:2: runtime error: null pointer passed as argument 1, which is declared to never be null
Product: Busybox Reporter: Fernando Muñoz <fernando>
Component: OtherAssignee: unassigned
Status: NEW ---    
Severity: normal CC: busybox-cvs
Priority: P5    
Version: 1.24.x   
Target Milestone: ---   
Hardware: All   
OS: Linux   
Host: Target:
Build:
Attachments: config
test case

Description Fernando Muñoz 2016-02-25 20:46:15 UTC
Created attachment 6346 [details]
config

Attached config and minnull.sh script that triggers the issue on the current git version:

test@kali:/root/fuzzshell$ ./busybox_unstripped sh minnull.sh 
shell/ash.c:527:2: runtime error: null pointer passed as argument 1, which is declared to never be null
ASAN:SIGSEGV
=================================================================
==20091==ERROR: AddressSanitizer: SEGV on unknown address 0x00000000 (pc 0xb7475911 bp 0x00000001 sp 0xbfffe79c T0)
    #0 0xb7475910  (/lib/i386-linux-gnu/i686/cmov/libc.so.6+0x76910)
    #1 0xb7468ddf in fputs_unlocked (/lib/i386-linux-gnu/i686/cmov/libc.so.6+0x69ddf)
    #2 0x8073630 in outstr shell/ash.c:527

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV ??:0 ??
==20091==ABORTING

$ cat minnull.sh
hash cat>0
command -pv cat
Comment 1 Fernando Muñoz 2016-02-25 20:46:56 UTC
Created attachment 6351 [details]
test case