Thread (4 messages) 4 messages, 1 author, 2021-12-26

[Bug 215225] FUZZ: Page fault and infinite loop after mount and operate on crafted image

From: <hidden>
Date: 2021-12-24 21:50:11

https://bugzilla.kernel.org/show_bug.cgi?id=215225

Qinghua Jin (qhjin_dev@163.com) changed:

           What    |Removed                     |Added
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                 CC|                            |qhjin_dev@163.com
--- Comment #1 from Qinghua Jin (qhjin_dev@163.com) ---
It seems that the tmp38.img is corrupt. Could you please send a correct one?

$ e2fsck tmp38.img 
e2fsck 1.45.7 (28-Jan-2021)
ext2fs_open2: The ext2 superblock is corrupt
e2fsck: Superblock invalid, trying backup blocks...
tmp38.img contains a file system with errors, check forced.
Resize inode not valid.  Recreate<y>? yes
Pass 1: Checking inodes, blocks, and sizes
Root inode has dtime set (probably due to old mke2fs).  Fix<y>? yes
Inode 13 has an invalid extent
        (logical block 0, invalid physical block 8332801, len 1)
Clear<y>? yes
Inode 13 has an invalid extent
        (logical block 0, invalid physical block 64344, len 1)
Clear<y>? yes


Thanks,
Qinghua Jin

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