Bug 1389492
| Summary: | zsh crash in --no-exec and emulation mode if accessing the HOME environment variable | ||||||
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| Product: | Red Hat Enterprise Linux 7 | Reporter: | Paulo Andrade <pandrade> | ||||
| Component: | zsh | Assignee: | Kamil Dudka <kdudka> | ||||
| Status: | CLOSED DUPLICATE | QA Contact: | BaseOS QE - Apps <qe-baseos-apps> | ||||
| Severity: | medium | Docs Contact: | |||||
| Priority: | medium | ||||||
| Version: | 7.1 | CC: | kdudka, pandrade | ||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | All | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | zsh-5.0.2-17.el7 | Doc Type: | If docs needed, set a value | ||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2016-10-31 12:35:43 UTC | Type: | Bug | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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Created attachment 1214975 [details] zsh-bz1389492.patch Upstream patch. Needs edit as ChangeLog diff will not apply. Please remember to report the exact NVR (Name-Version-Release) of the package you tested it with. Is this a duplicate of bug #1267251? It is indeed a duplicate of #1267251 Package was zsh-5.0.2-14.el7_2.2 *** This bug has been marked as a duplicate of bug 1267251 *** |
Simple reproducer: """ $ ln -sf /bin/zsh ksh $ cat t.sh # !/bin/sh echo $HOME $ ./ksh -n t.sh """ Problem has also been reported to upstream, with an initial possible patch: """ --- zsh-5.0.2/Src/init.c.orig 2016-10-27 15:36:29.210875166 -0200 +++ zsh-5.0.2/Src/init.c 2016-10-27 15:36:33.581867451 -0200 @@ -963,7 +963,7 @@ setupvals(void) if (EMULATION(EMULATE_ZSH)) ptr = home; else - ptr = zgetenv("HOME"); + ptr = home = zgetenv("HOME"); if (ptr && ispwd(ptr)) pwd = ztrdup(ptr); else if ((ptr = zgetenv("PWD")) && (strlen(ptr) < PATH_MAX) && """