http://bugzilla.kernel.org/show_bug.cgi?id=12375 Summary: ext4_block_to_path block too big cause cpu to burn Product: File System Version: 2.5 KernelVersion: 2.6.28 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: ext4 AssignedTo: fs_ext4@xxxxxxxxxxxxxxxxxxxx ReportedBy: dmaciejak@xxxxxxxxxxxx Latest working kernel version: none Earliest failing kernel version: unknow Distribution: ubuntu Hardware Environment: dell optiplex 740 Software Environment: Problem Description: when mounting specially crafted ext4 image, after some few seconds (5s), kern.log is filled with some data and cpu reaches 100% Steps to reproduce: bunzip the image file enclosed and mount the image with mount -t ext4 -o loop ext4.img /media/tmp note: i also tried the 2.6.28-ext4-3 patch but it does not help Regards, David Maciejak Fortinet's FortiGuard Global Security Research Team -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html