nen@javalps @dalias @tokyo_0 @abhijith @fossunleashed @llutz @zenbrowser Your logs say the filesystem is corrupted. It can't be a browser bug. Backup all important data as soon as possible and do a clean Fedora reinstall.
It's possible corruption was caused by some kind of physical failure even if it doesn't show up in SMART reports. You can run `btrfs scrub start /` and `btrfs scrub status /` frequently to monitor data integrity in the future (and keep important backups constantly up-to-date!). Or add another drive to your (new) btrfs filesystem and set up RAID1, if you can. It can automatically repair corrupted data using healthy copies on the other drive so you'd be less likely to lose data in case your current drive fails. If the drive is encrypted, using DUP profile on a single drive instead of RAID1 on two might also protect from some minor failures (encryption should prevent the hardware from detecting and deduplicating identical data).
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