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Bug 1037285
| Summary: | /run/user/1001/dconf/user file changes ownership to root on running gedit as root from a shell, causing GNOME Shell to lose its mind | ||||||
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| Product: | [Fedora] Fedora | Reporter: | Adam Williamson <awilliam> | ||||
| Component: | gnome-shell | Assignee: | Owen Taylor <otaylor> | ||||
| Status: | CLOSED DUPLICATE | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||
| Severity: | high | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 20 | CC: | fmuellner, otaylor, samkraju, walters | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | x86_64 | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2013-12-03 14:26:41 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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ooh, actually, I think I didn't have livecd-creator running at the time of the latest one: I had a copy of gedit running as root, with the file 'live.py.32bituefi' open. THAT makes a lot more sense. *** This bug has been marked as a duplicate of bug 753882 *** (In reply to Adam Williamson from comment #1) > I had a copy of gedit running as root, Don't do that. Fine. Implement something with PolicyKit so I can use a graphical editor on system files in a cleaner way. We've only had it for half a decade or so. Created attachment 832218 [details]
fun.
In other words: you fix this, and I'll stop running gedit as root.
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This may be a nightmare to debug, but I've hit it at least twice now, so it seems worth reporting to see if we can possibly track it down :/ This is on F20, my main desktop system. Close as I can tell, both times it's happened while building a live image with livecd-creator. Suddenly gnome-shell becomes unresponsive. If I ssh in from another system, I see it consuming 100% CPU; strace shows it trying to read /run/user/1001/dconf/user over and over: close(-1) = -1 EBADF (Bad file descriptor) open("/home/adamw/.config/dconf/user", O_RDONLY) = 26 fstat(26, {st_mode=S_IFREG|0644, st_size=75655, ...}) = 0 mmap(NULL, 75655, PROT_READ, MAP_PRIVATE, 26, 0) = 0x7f1ec4073000 close(26) = 0 munmap(0x7f1ec4073000, 75655) = 0 access("/run", F_OK) = 0 stat("/run", {st_mode=S_IFDIR|0755, st_size=520, ...}) = 0 access("/run/user", F_OK) = 0 stat("/run/user", {st_mode=S_IFDIR|0755, st_size=120, ...}) = 0 access("/run/user/1001", F_OK) = 0 stat("/run/user/1001", {st_mode=S_IFDIR|0700, st_size=220, ...}) = 0 access("/run/user/1001/dconf", F_OK) = 0 stat("/run/user/1001/dconf", {st_mode=S_IFDIR|0700, st_size=60, ...}) = 0 open("/run/user/1001/dconf/user", O_RDWR|O_CREAT, 0600) = -1 EACCES (Permission denied) write(2, "\n(gnome-shell:27046): dconf-CRIT"..., 142) = 142 close(-1) = -1 EBADF (Bad file descriptor) open("/home/adamw/.config/dconf/user", O_RDONLY) = 26 fstat(26, {st_mode=S_IFREG|0644, st_size=75655, ...}) = 0 mmap(NULL, 75655, PROT_READ, MAP_PRIVATE, 26, 0) = 0x7f1ec4073000 close(26) = 0 If I kill shell and let it restart, it gets stuck in the same state. I believe the file's supposed to be owned by the user (1001 is my regular user account), but it isn't: [root@adam adamw]# ls -l /run/user/1001/dconf/user -rw-------. 1 root root 2 Dec 2 20:47 /run/user/1001/dconf/user There is something interesting in the journal around 20:47: Dec 02 20:47:35 adam.happyassassin.net gnome-session[2027]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2e00029 (live.py.32) Dec 02 20:47:35 adam.happyassassin.net gnome-session[2027]: Window manager warning: meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed. 'live.py' is part of python-imgcreate, part of livecd-creator; it's a pure command-line tool, though, no GUI, so not exactly sure how it fits in. If I wipe the file and kill the stuck shell process it auto-respawns successfully. The file is created again, now owned by my user (1001). So, er...any ideas?