https://bugzilla.kernel.org/show_bug.cgi?id=200773
Chao Yu (c...@kernel.org) changed:
What |Removed |Added
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CC| |c...@kernel.org
--- Comment #2 from Chao Yu (c...@kernel.org) ---
Hi Shuaibing,
I tried your attached image with last f2fs, it failed and below dmesg shown:
[ 3865.295211] F2FS-fs (loop0): Magic Mismatch, valid(0xf2f52010) -
read(0xf2f52090)
[ 3865.295236] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th
superblock
[ 3865.295277] F2FS-fs (loop0): Invalid segment/section count (14, 7 x 1)
[ 3865.295284] F2FS-fs (loop0): Can't find valid F2FS filesystem in 2th
superblock
[ 3865.295309] F2FS-fs (loop0): Magic Mismatch, valid(0xf2f52010) -
read(0xf2f52090)
[ 3865.295316] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th
superblock
[ 3865.295327] F2FS-fs (loop0): Invalid segment/section count (14, 7 x 1)
[ 3865.295333] F2FS-fs (loop0): Can't find valid F2FS filesystem in 2th
superblock
I tracked the code history, it seems that below commit can fix this issue, you
can update f2fs module with this commit and retry your case.
commit 0cfe75c5b011994651a4ca6d74f20aa997bfc69a
Author: Jaegeuk Kim <jaeg...@kernel.org>
Date: Fri Apr 27 19:03:22 2018 -0700
f2fs: enhance sanity_check_raw_super() to avoid potential overflows
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0cfe75c5b011994651a4ca6d74f20aa997bfc69a
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