[Bug 270632] [ext2fs] files <4096 bytes are corrupted on ext4 filesystems

[email protected] Sat, 27 Jun 2026 08:20:19 +0000
Newsgroups gmane.os.freebsd.devel.file-systems
Message-ID <[email protected]/bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270632

--- Comment #34 from Alexey Dokuchaev <[email protected]> ---
(In reply to Paul Procacci from comment #30)
> The fix [commit b3f46656393f] was never MFC'd to the stable/13 branch.
Thanks for the pointer and pardon my ignorance: I should've tested Rajeev's
program from comment #10 earlier, as it does 100% reliably reproduce the bug on
13.5 for me:

$ yes | ./a.out test >/dev/null ; hd test
00000000  00 00 00 00 00 00 00 00  00 00 00 00              |............|
0000000c

(In reply to Mark Millard from comment #32)
> And, if it was fixed, only stable/13 would get the fix, not releng/13.5.
I'm fine with that, I can recompile the ext2fs(5) module locally, I'll test the
suggested fix and report later (cannot unload the module right now due to
filesystem being busy).

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