Your message dated Tue, 22 Aug 2017 16:41:22 -0400
with message-id <[email protected]>
and subject line Re: Bug#868476: e2fsck: null pointer dereference in 
quota_file_close
has caused the Debian Bug report #868476,
regarding e2fsck: null pointer dereference in quota_file_close
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
868476: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=868476
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: e2fsprogs
Version: 1.43.4-2

e2fsck crashes when trying to fix the attached filesystem:

  $ /sbin/e2fsck -y quota_file_close.ext4
  Update quota info for quota type 2? yes

  [ERROR] ../../../../lib/support/quotaio.c:301:quota_inode_init_new:: 
ex2fs_read_inode failed
  [ERROR] ../../../../lib/support/quotaio.c:361:quota_file_create:: 
init_new_quota_inode failed
  Signal (11) SIGSEGV si_code=SEGV_MAPERR fault addr=0xc
  /sbin/e2fsck(+0x2e192)[0x56601192]
  linux-gate.so.1(__kernel_rt_sigreturn+0x0)[0xf773ccb0]
  /sbin/e2fsck(quota_file_close+0x54)[0x56606864]
  /sbin/e2fsck(quota_write_inode+0x106)[0x56602fd6]
  /sbin/e2fsck(main+0x223a)[0x565de10a]
  /lib/i386-linux-gnu/libc.so.6(__libc_start_main+0xf6)[0xf74b6276]
  /sbin/e2fsck(+0xc43d)[0x565df43d]

Found using american fuzzy lop:
http://lcamtuf.coredump.cx/afl/


-- System Information:
Architecture: i386

Versions of packages e2fsprogs depends on:
ii  e2fslibs    1.43.4-2
ii  libblkid1   2.29.2-2
ii  libc6       2.24-12
ii  libcomerr2  1.43.4-2
ii  libss2      1.43.4-2
ii  libuuid1    2.29.2-2
ii  util-linux  2.29.2-2

--
Jakub Wilk

Attachment: quota_file_close.ext4.gz
Description: application/gzip


--- End Message ---
--- Begin Message ---
fixed 868476 1.43.5-1
thanks

On Mon, Jul 17, 2017 at 07:28:45PM -0400, Theodore Ts'o wrote:
> E2fsck on the maint branch is no longer crashing with the attached
> file system.  So the null pointer deference will be fixed in the (soon
> to be released) 1.43.5 release.
> 
> E2fsck is not able to *fix* the file system, however, so this is
> something that I consider a bug and will try to fix.

... and e2fsck in 1.43.5 is also able to fix this file system, so I
should have closed out this bug when 1.43.5 was released.

                                     - Ted

--- End Message ---

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