Bug 200407
| Summary: | Potential deadlock when mount a btrfs image | ||
|---|---|---|---|
| Product: | File System | Reporter: | Wen Xu (wen.xu) |
| Component: | btrfs | Assignee: | BTRFS virtual assignee (fs_btrfs) |
| Status: | RESOLVED CODE_FIX | ||
| Severity: | normal | CC: | dsterba, wen.xu |
| Priority: | P1 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Kernel Version: | 4.18 | Subsystem: | |
| Regression: | No | Bisected commit-id: | |
| Attachments: | The (compressed) crafted image which causes hangs | ||
Thanks for the report. Fixed by cf90d884b347c50 "btrfs: Introduce mount time chunk <-> dev extent mapping check", in 4.19. |
Created attachment 277171 [details] The (compressed) crafted image which causes hangs - Reproduce # mkdir mnt # mount -t btrfs 15.img mnt Not clear about the reasons... Found by Wen Xu and Po-Ning Tseng from SSLab at Gatech.