RE: BUG: unable to handle kernel NULL pointer dereference at 00000000000000a8 in nilfs_segctor_do_constr

From: ÐÐÑÐÐÐ ÐÐÐÐÐÐÐ
Date: Mon Dec 23 2019 - 11:23:49 EST

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Hi all!

I also found a similar error in kernel
4.19.85
4.19.88
5.4.6

I generally can not use NILFS2 partitions for more than 2 minutes.

Which I try write to partition I see:

BUG: kernel NULL pointer dereference

Call trace:
__test_set_page_writeback+0x2d6/0x300
nilfs_segstor_do_construct+0xcc9/0x1220 [nilfs2]

Screenshot:

https://hsto.org/webt/87/md/lc/87mdlc4jqvxucjon7jai4pcwy34.jpeg
https://hsto.org/webt/sf/rs/uk/sfrsukkoq60liw0btmikpzwrpom.jpeg

https://hsto.org/webt/g7/cw/fx/g7cwfxijgykq43tjc3-vx48cpui.jpeg
https://hsto.org/webt/ft/i4/wy/fti4wyofwz1iiqkfhlwrghc-jtk.jpeg

Next message: Sergey Kamenev: "New utility for NILFS2 partition"
Previous message: Markus Elfring: "Re: [PATCH] sched: Use kmem_cache_zalloc() instead of kmem_cache_alloc() with flag GFP_ZERO."
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