Re: Bug: slab-out-of-bounds Write in __bh_read

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> 
> OK. Checking the syzlang reproducer the same comment as for other
> filesystem bugs applies - please run with CONFIG_BLK_DEV_WRITE_MOUNTED
> disabled to rule out corruption of a filesystem while it is mounted.
> 
> 

Hi Jan,

We have reproduced the crash with CONFIG_BLK_DEV_WRITE_MOUNTED disabled to obtain the same crash log. The new crash log, along with C and Syzlang reproducers are provided below:

Crash log: https://drive.google.com/file/d/1FiCgo05oPheAt4sDQzRYTQwl0-CY6rvi/view?usp=sharing
C reproducer: https://drive.google.com/file/d/1TTR9cquaJcMYER6vtYUGh3gOn_mROME4/view?usp=sharing
Syzlang reproducer: https://drive.google.com/file/d/1R9QDUP2r7MI4kYMiT_yn-tzm6NqmcEW-/view?usp=sharing

I’m not sure if this is sufficient to help locate the bug? If you need additional information, please let me know.

Thanks,
Kun Hu




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