Bug 1855413
| Summary: | SELinux is preventing login from 'getattr' accesses on the filesystem /proc. | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Matt Fagnani <matt.fagnani> |
| Component: | selinux-policy | Assignee: | Zdenek Pytela <zpytela> |
| Status: | CLOSED DUPLICATE | QA Contact: | Fedora Extras Quality Assurance <extras-qa> |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | rawhide | CC: | dwalsh, grepl.miroslav, lvrabec, mmalik, plautrba, vmojzis, zpytela |
| Target Milestone: | --- | Keywords: | Triaged |
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Unspecified | ||
| Whiteboard: | abrt_hash:e8c35fce82d833335d0bd96c9fd1ec40c4bfd6ba59de297e616fa62f2b417c90;VARIANT_ID=kde; | ||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2020-07-10 08:34:55 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
*** This bug has been marked as a duplicate of bug 1853730 *** |
Description of problem: I was using a Fedora Rawhide KDE Plasma spin installation. I logged out of Plasma 5.19.2 on Wayland. sddm appeared. I switched to VT2 and VT3 using ctrl+alt+f2 and ctrl+alt+f3, but the login prompt didn't appear. When I switched to VT4, the login prompt appeared and I could log in properly. I noticed in the setroubleshoot GUI that login was denied getattr on /proc. That denial might have been why the login prompt didn't appear on VT2 and VT3. SELinux is preventing login from 'getattr' accesses on the filesystem /proc. ***** Plugin catchall (100. confidence) suggests ************************** If you believe that login should be allowed getattr access on the proc filesystem by default. Then you should report this as a bug. You can generate a local policy module to allow this access. Do allow this access for now by executing: # ausearch -c 'login' --raw | audit2allow -M my-login # semodule -X 300 -i my-login.pp Additional Information: Source Context system_u:system_r:local_login_t:s0-s0:c0.c1023 Target Context system_u:object_r:proc_t:s0 Target Objects /proc [ filesystem ] Source login Source Path login Port <Unknown> Host (removed) Source RPM Packages Target RPM Packages filesystem-3.14-2.fc32.x86_64 SELinux Policy RPM selinux-policy-targeted-3.14.6-18.fc33.noarch Local Policy RPM selinux-policy-targeted-3.14.6-18.fc33.noarch Selinux Enabled True Policy Type targeted Enforcing Mode Enforcing Host Name (removed) Platform Linux (removed) 5.8.0-0.rc4.1.fc33.x86_64 #1 SMP Tue Jul 7 19:24:41 UTC 2020 x86_64 x86_64 Alert Count 3 First Seen 2020-07-09 14:33:08 EDT Last Seen 2020-07-09 14:33:14 EDT Local ID 3612219b-fb29-4eec-b081-fc62a791a09c Raw Audit Messages type=AVC msg=audit(1594319594.116:450): avc: denied { getattr } for pid=8288 comm="login" name="/" dev="proc" ino=1 scontext=system_u:system_r:local_login_t:s0-s0:c0.c1023 tcontext=system_u:object_r:proc_t:s0 tclass=filesystem permissive=0 Hash: login,local_login_t,proc_t,filesystem,getattr Version-Release number of selected component: selinux-policy-targeted-3.14.6-18.fc33.noarch Additional info: component: selinux-policy reporter: libreport-2.13.1 hashmarkername: setroubleshoot kernel: 5.8.0-0.rc4.20200708gitdcde237b9b0e.1.fc33.x86_64 type: libreport