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Date: Fri, 01 Aug 2014 11:13:29 -0700
From: "Darrick J. Wong" <darrick.wong@...cle.com>
To: tytso@....edu, darrick.wong@...cle.com
Cc: linux-ext4@...r.kernel.org
Subject: [PATCH 16/19] tests: add regression tests for MMP blocks with bad
checksums
From: Darrick J. Wong <darrick.wong@...cle.com>
Add regression tests to examine how e2fsck deals with MMP blocks with
(a) a bad magic number; and (b) an incorrect checksum.
Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
---
e2fsck/unix.c | 4 +++-
tests/m_mmp_bad_csum/expect | 9 +++++++++
tests/m_mmp_bad_csum/image.gz | Bin
tests/m_mmp_bad_csum/name | 1 +
tests/m_mmp_bad_csum/script | 30 ++++++++++++++++++++++++++++++
tests/m_mmp_bad_magic/.log | 9 +++++++++
tests/m_mmp_bad_magic/expect | 9 +++++++++
tests/m_mmp_bad_magic/image.gz | Bin
tests/m_mmp_bad_magic/name | 1 +
tests/m_mmp_bad_magic/script | 30 ++++++++++++++++++++++++++++++
10 files changed, 92 insertions(+), 1 deletion(-)
create mode 100644 tests/m_mmp_bad_csum/expect
create mode 100644 tests/m_mmp_bad_csum/image.gz
create mode 100644 tests/m_mmp_bad_csum/name
create mode 100644 tests/m_mmp_bad_csum/script
create mode 100644 tests/m_mmp_bad_magic/.log
create mode 100644 tests/m_mmp_bad_magic/expect
create mode 100644 tests/m_mmp_bad_magic/image.gz
create mode 100644 tests/m_mmp_bad_magic/name
create mode 100644 tests/m_mmp_bad_magic/script
diff --git a/e2fsck/unix.c b/e2fsck/unix.c
index d883c9e..f71afbc 100644
--- a/e2fsck/unix.c
+++ b/e2fsck/unix.c
@@ -1166,7 +1166,9 @@ check_error:
ext2fs_mmp_clear(fs);
retval = 0;
}
- }
+ } else
+ com_err(ctx->program_name, retval, "%s",
+ _("while reading MMP block"));
return retval;
}
diff --git a/tests/m_mmp_bad_csum/expect b/tests/m_mmp_bad_csum/expect
new file mode 100644
index 0000000..e15e7b4
--- /dev/null
+++ b/tests/m_mmp_bad_csum/expect
@@ -0,0 +1,9 @@
+Superblock MMP block checksum does not match MMP block. Fix? yes
+
+Pass 1: Checking inodes, blocks, and sizes
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 4: Checking reference counts
+Pass 5: Checking group summary information
+test_filesys: 11/128 files (0.0% non-contiguous), 19/512 blocks
+Exit status is 0
diff --git a/tests/m_mmp_bad_csum/image.gz b/tests/m_mmp_bad_csum/image.gz
new file mode 100644
index 0000000000000000000000000000000000000000..c896ff60dbbdf68a566007262c54a99b0b912fde
GIT binary patch
literal 2594
zcmb2|=3qEtbUm1f`R!fX4B<cqh6m->JGQP}+o9CR^Xh@...a(x6(L^Y2jyR^P-qG}
z5_V9{qj05&pdgo(hLr|~)((rV2LY_%?Bb#>EaHJ(&UclLo$e2E(#}}Ab?1BT_j~tD
z-~Hs??%l_$rz>+ZdaRyUB+@>?cT%TDi_==0b*-nEl(#+=S}Yy^wKYKNYi*~~7wve_
ztCy}trDadD$>w^PqSkWq{89d$%lD?|&A+?z_0y{dXa7ug{(1PXI$IwvFaO!l*zJ4j
zw<uL7`hUCj@...4^|F{Ar}B*M<=0-{Kc(8AHCu=4Z15>#&xcm+a-ZK6?pfuo&EW8B
zO8frPlQ(QL`lqk*(`RYT=a27`TLWrrFISZp>&s=>GB7YiNO*Z0J&eArbB!Iy`&a$+
z{r}reBIRwb_A=xu_E}r6{{CU#+l)?jKmMoJzt7j3WA!SE6R1$fBv)~db<N^h-|V}8
z{wKSa{^JLVnjHJHzheE5J%9dWw|@...{FppUoW$>=I$SPAn(k7Mxaou{eSxn<@p{?
zFQ5O9=YMuS=f<{|@...V{t&Y7^@%g<^)G$-5U=t7-|{e^4kEyUiBrU`KLr`w_Lz%<
z2o1QD)F+iZUcGOA;yOFy>hyoFZ8utXPV)`_zwAPc=jy`KDI!L}*SfX5&zxJ{uK488
zho!&%PMDVb?&0Z@...x%ORn!Pt>5+fzuK(-xe}K1T^`@...~o{?ep13|E)cJJ^cHF
zl%4;pi|p6_y??3prQN^kPcPT~pZfOme%{AVKl*<!c|6}@...oh)PuP<7rqPl`6vJX
qjBB4kAvOv|Ltr!nMnhmU1V%$(Gz4f70uA-=*?&|mS7u;PU;qF)f;ad8
literal 0
HcmV?d00001
diff --git a/tests/m_mmp_bad_csum/name b/tests/m_mmp_bad_csum/name
new file mode 100644
index 0000000..61c31d4
--- /dev/null
+++ b/tests/m_mmp_bad_csum/name
@@ -0,0 +1 @@
+mmp with bad csum (metadata_csum)
diff --git a/tests/m_mmp_bad_csum/script b/tests/m_mmp_bad_csum/script
new file mode 100644
index 0000000..d101294
--- /dev/null
+++ b/tests/m_mmp_bad_csum/script
@@ -0,0 +1,30 @@
+# use current directory instead of /tmp becase tmpfs doesn't support DIO
+rm -f $TMPFILE
+TMPFILE=$(mktemp ./tmp-$test_name.XXXXXX)
+
+stat -f $TMPFILE | grep -q "Type: tmpfs"
+if [ $? = 0 ]; then
+ rm -f $TMPFILE
+ echo "$test_name: $test_description: skipped for tmpfs (no O_DIRECT)"
+ return 0
+fi
+gzip -dc < $test_dir/image.gz > $TMPFILE
+
+OUT=$test_dir.log
+EXP=$test_dir/expect
+$FSCK -fy $TMPFILE 2>&1 | sed -f $cmd_dir/filter.sed > $OUT
+echo Exit status is $? >> $OUT
+
+rm -f $TMPFILE
+cmp -s $OUT $EXP
+status=$?
+
+if [ "$status" = 0 ] ; then
+ echo "$test_name: $test_description: ok"
+ touch $test_name.ok
+else
+ echo "$test_name: $test_description: failed"
+ diff $DIFF_OPTS $EXP $OUT > $test_name.failed
+ rm -f $test_name.tmp
+fi
+unset OUT EXP
diff --git a/tests/m_mmp_bad_magic/.log b/tests/m_mmp_bad_magic/.log
new file mode 100644
index 0000000..b5dfb89
--- /dev/null
+++ b/tests/m_mmp_bad_magic/.log
@@ -0,0 +1,9 @@
+Superblock has invalid MMP magic. Fix? yes
+
+Pass 1: Checking inodes, blocks, and sizes
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 4: Checking reference counts
+Pass 5: Checking group summary information
+test_filesys: 11/128 files (0.0% non-contiguous), 19/512 blocks
+Exit status is 0
diff --git a/tests/m_mmp_bad_magic/expect b/tests/m_mmp_bad_magic/expect
new file mode 100644
index 0000000..b5dfb89
--- /dev/null
+++ b/tests/m_mmp_bad_magic/expect
@@ -0,0 +1,9 @@
+Superblock has invalid MMP magic. Fix? yes
+
+Pass 1: Checking inodes, blocks, and sizes
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 4: Checking reference counts
+Pass 5: Checking group summary information
+test_filesys: 11/128 files (0.0% non-contiguous), 19/512 blocks
+Exit status is 0
diff --git a/tests/m_mmp_bad_magic/image.gz b/tests/m_mmp_bad_magic/image.gz
new file mode 100644
index 0000000000000000000000000000000000000000..2d57fbf5fa2ee4939a41f00ea1d3d0b096346d3e
GIT binary patch
literal 2597
zcmb2|=3rQDbUm1f`R!d_50O9yh6m=4+m<a8bmfp+<vjg_Ls#7jgCpJvta98cFWNOk
zi>6P|YjbfCxVmtKvtxjxtd-k^g-z>Z_k;)tmP~ZAx{<p$_uKLbN1K9-%J=10zJFV7
zz1jNx*)xy#-b^%SQCREN9Vp`zJ;}#S@rl;cLe(i^5^Hs)OT4bRD(<xK!gouqi|1=1
zLp*0|&D8b$v`4Sy@...bc2DiM*uS={e0`;F?&EN_ycB-^^xyq5)`b-nDL>+`mVW;2
ze){&gcX_*amOpuXboK4?t_!tIj$eLly8YH<_np3Ct!<f4XD%sN>)c=Y%_8pRT2Tgt
z+OEU*Q#~VsrT#ykRI@B(-^&-<yLV2g|GWC@..._otpCcuz>turp>wWfed*>1c_8n{
zd(r*>^Z5er2%h@...TW&?uEwv!@...HMBD{nG;){qG4WfVyh5PVMN9(=Zfp~ds9n;
zul}iDwAJQ6J5V$$`QQBgv+DzE{w)oy2J#)&p8Fr(6SpJnA3u=y>_3n=aA^L2@...h
z`275b$N$Ikr}(eCzw6`s`{joZB$ORK7{7m?$K}KIi9eVAVvk}3swWH@...beKgA4G
zXnI^!fUtU;D*hdbc)og{{KNR#wA*iguK)gIol2Bd@...?&YHT%dxHZ{_(bb#=^9$g
z%eP&Sb2}IQzI}^KG5_()wdcM*xfJ_<+1{7y{?E?%w>|NTkC5%#SquMnYuVn{`IaBL
zZ`ZEh%e(&GpIn{!_W!gup5H&-pX*!xS3iID|J;fwng1ncP5yNrUUk2x-e{_U^m2ZY
s^Z%!HZkY!Pu2C==0;3@...mvsFd71*AwZK5IJ5Wt>VIch85k5800I{>HUIzs
literal 0
HcmV?d00001
diff --git a/tests/m_mmp_bad_magic/name b/tests/m_mmp_bad_magic/name
new file mode 100644
index 0000000..15a2d4d
--- /dev/null
+++ b/tests/m_mmp_bad_magic/name
@@ -0,0 +1 @@
+mmp with bad magic (metadata_csum)
diff --git a/tests/m_mmp_bad_magic/script b/tests/m_mmp_bad_magic/script
new file mode 100644
index 0000000..d101294
--- /dev/null
+++ b/tests/m_mmp_bad_magic/script
@@ -0,0 +1,30 @@
+# use current directory instead of /tmp becase tmpfs doesn't support DIO
+rm -f $TMPFILE
+TMPFILE=$(mktemp ./tmp-$test_name.XXXXXX)
+
+stat -f $TMPFILE | grep -q "Type: tmpfs"
+if [ $? = 0 ]; then
+ rm -f $TMPFILE
+ echo "$test_name: $test_description: skipped for tmpfs (no O_DIRECT)"
+ return 0
+fi
+gzip -dc < $test_dir/image.gz > $TMPFILE
+
+OUT=$test_dir.log
+EXP=$test_dir/expect
+$FSCK -fy $TMPFILE 2>&1 | sed -f $cmd_dir/filter.sed > $OUT
+echo Exit status is $? >> $OUT
+
+rm -f $TMPFILE
+cmp -s $OUT $EXP
+status=$?
+
+if [ "$status" = 0 ] ; then
+ echo "$test_name: $test_description: ok"
+ touch $test_name.ok
+else
+ echo "$test_name: $test_description: failed"
+ diff $DIFF_OPTS $EXP $OUT > $test_name.failed
+ rm -f $test_name.tmp
+fi
+unset OUT EXP
--
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