+ hfsplus-fix-null-dereference-in-hfsplus_lookup.patch added to -mm tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



The patch titled
     Subject: hfsplus: fix NULL dereference in hfsplus_lookup()
has been added to the -mm tree.  Its filename is
     hfsplus-fix-null-dereference-in-hfsplus_lookup.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/hfsplus-fix-null-dereference-in-hfsplus_lookup.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/hfsplus-fix-null-dereference-in-hfsplus_lookup.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
Binary file patches/hfsplus-fix-null-dereference-in-hfsplus_lookup.patch matches
Subject: hfsplus: fix NULL dereference in hfsplus_lookup()

Check that the hidden directory is not NULL before using it, instead of
after.

Link: http://lkml.kernel.org/r/20180712215344.q44dyrhymm4ajkao@eaf
Signed-off-by: Ernesto A. Fern�ez <ernesto.mnd.fernandez@xxxxxxxxx>
Reported-by: Wen Xu <wen.xu@xxxxxxxxxx>
Cc: Viacheslav Dubeyko <slava@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---


diff -puN fs/hfsplus/dir.c~hfsplus-fix-null-dereference-in-hfsplus_lookup fs/hfsplus/dir.c
--- a/fs/hfsplus/dir.c~hfsplus-fix-null-dereference-in-hfsplus_lookup
+++ a/fs/hfsplus/dir.c
@@ -78,13 +78,13 @@ again:
 				cpu_to_be32(HFSP_HARDLINK_TYPE) &&
 				entry.file.user_info.fdCreator ==
 				cpu_to_be32(HFSP_HFSPLUS_CREATOR) &&
+				HFSPLUS_SB(sb)->hidden_dir &&
 				(entry.file.create_date ==
 					HFSPLUS_I(HFSPLUS_SB(sb)->hidden_dir)->
 						create_date ||
 				entry.file.create_date ==
 					HFSPLUS_I(d_inode(sb->s_root))->
-						create_date) &&
-				HFSPLUS_SB(sb)->hidden_dir) {
+						create_date)) {
 			struct qstr str;
 			char name[32];
 
_

Patches currently in -mm which might be from ernesto.mnd.fernandez@xxxxxxxxx are

hfsplus-prevent-crash-on-exit-from-failed-search.patch
hfs-prevent-crash-on-exit-from-failed-search.patch

--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Kernel Archive]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]

  Powered by Linux