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New: kernel 6.8.0-88: General Protection Fault (GPF) in ext4 while running 'umount': RIP: 0010:dentry_unlink_inode+0x52/0x150

Bug 220818 [email protected] 1 participant 3 messages Dec 1, 2025

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https://bugzilla.kernel.org/show_bug.cgi?id=220818

Bug ID: 220818
Summary: kernel 6.8.0-88: General Protection Fault (GPF) in
ext4 while running 'umount': RIP:
0010:dentry_unlink_inode+0x52/0x150
Product: File System
Version: 2.5
Hardware: AMD
OS: Linux
Status: NEW
Severity: high
Priority: P3
Component: ext4
Assignee: [email protected]
Reporter: [email protected]
Regression: No

Created attachment 308991
--> https://bugzilla.kernel.org/attachment.cgi?id=308991&action=edit
Relevant lines from syslog of crash

Getting a reproducible GPF in ext4 filesystem dentry_unlink_inode while running userland 'sudo umount /media/some-mountpoint' after a large backup where many modifications are waiting to be flushed to disk.

System is amdgpu multicore if that is relevant.

Kernel is: 6.8.0-88-generic.

Full kernel GPF report in the attachment.

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#1 lore raw

[Bug 220818] kernel 6.8.0-88: General Protection Fault (GPF) in ext4 while running 'umount': RIP: 0010:dentry_unlink_inode+0x52/0x150

https://bugzilla.kernel.org/show_bug.cgi?id=220818

[email protected] changed:

What |Removed |Added
----------------------------------------------------------------------------

                 CC|                            |[email protected]
     Kernel Version|                            |6.8.0-88-generic
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#2 lore raw

[Bug 220818] kernel 6.8.0-88: General Protection Fault (GPF) in ext4 while running 'umount': RIP: 0010:dentry_unlink_inode+0x52/0x150

In reply to [email protected]

https://bugzilla.kernel.org/show_bug.cgi?id=220818

Artem S. Tashkinov ([email protected]) changed:

What |Removed |Added
----------------------------------------------------------------------------

             Status|NEW                         |RESOLVED
         Resolution|---                         |DISTRO_KERNEL

--- Comment #1 from Artem S. Tashkinov ([email protected]) --- Request support from your vendor.

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