diff options
| author | Qu Wenruo <quwenruo@cn.fujitsu.com> | 2016-08-30 10:15:50 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-09-05 10:04:19 +0200 |
| commit | 767ae9e348a667fa4e05e3b1a01630ecaff1f27d (patch) | |
| tree | e215e0b64e0cdb47b299e15ec1073887a7fe93a5 /tests | |
| parent | 2f242115d1c3a395158d5b6d6d31ad4ae9a2c991 (diff) | |
btrfs-progs: fuzz-test: Add image for wrong chunk item in root tree
Reported by Lukas and the same image from him.
DATA_RELOC tree's key type is modifed to CHUNK_ITEM, causing btrfsck
interpret it as CHUNK_ITEM and cause 0 num_stripes.
Add the image to fuzz-test.
Reported-by: Lukas Lueg <lukas.lueg@gmail.com>
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
[ added bko-NNN- prefix to the files ]
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/fuzz-tests/images/bko-155201-wrong-chunk-item-in-root-tree.raw.txt | 35 | ||||
| -rw-r--r-- | tests/fuzz-tests/images/bko-155201-wrong-chunk-item-in-root-tree.raw.xz | bin | 0 -> 3696 bytes |
2 files changed, 35 insertions, 0 deletions
diff --git a/tests/fuzz-tests/images/bko-155201-wrong-chunk-item-in-root-tree.raw.txt b/tests/fuzz-tests/images/bko-155201-wrong-chunk-item-in-root-tree.raw.txt new file mode 100644 index 00000000..9097e49d --- /dev/null +++ b/tests/fuzz-tests/images/bko-155201-wrong-chunk-item-in-root-tree.raw.txt @@ -0,0 +1,35 @@ +URL: https://bugzilla.kernel.org/show_bug.cgi?id=155201 +Lukas Lueg 2016-08-28 19:15:53 UTC + +Created attachment 230921 [details] +Image causing SIGFPE in btrfsck + +News from the fuzzer. See the attached image to reproduce using btrfs-progs +v4.7-42-g56e9586. + + +[Thread debugging using libthread_db enabled] +Using host libthread_db library "/lib64/libthread_db.so.1". +checking extents +Chunk[0, 4194304] existed. +Chunk[18446744073709551607, 228, 0]: length(1), offset(0), type(4160) mismatch +with block group[0, 192, 4194304]: offset(4194304), objectid(0), flags(2) + +Program received signal SIGFPE, Arithmetic exception. +0x000000000042b178 in calc_stripe_length (type=4160, length=1, num_stripes=0) +at cmds-check.c:8018 +8018 stripe_size /= num_stripes; +#0 0x000000000042b178 in calc_stripe_length (type=4160, length=1, +num_stripes=0) at cmds-check.c:8018 +#1 0x000000000042b56d in check_chunk_refs (silent=0, +dev_extent_cache=0x7fffffffdd30, block_group_cache=0x7fffffffdd60, +chunk_rec=0x6b92c0) at cmds-check.c:8101 +#2 check_chunks (chunk_cache=chunk_cache@entry=0x7fffffffdd80, +block_group_cache=block_group_cache@entry=0x7fffffffdd60, +dev_extent_cache=dev_extent_cache@entry=0x7fffffffdd30, good=good@entry=0x0, +bad=bad@entry=0x0, rebuild=rebuild@entry=0x0, silent=0) at cmds-check.c:8165 +#3 0x000000000042bbdd in check_chunks_and_extents (root=root@entry=0x6b2cf0) +at cmds-check.c:8524 +#4 0x000000000042e3cb in cmd_check (argc=<optimized out>, argv=<optimized +out>) at cmds-check.c:11430 +#5 0x000000000040a416 in main (argc=2, argv=0x7fffffffe218) at btrfs.c:243 diff --git a/tests/fuzz-tests/images/bko-155201-wrong-chunk-item-in-root-tree.raw.xz b/tests/fuzz-tests/images/bko-155201-wrong-chunk-item-in-root-tree.raw.xz Binary files differnew file mode 100644 index 00000000..5bc2d3b9 --- /dev/null +++ b/tests/fuzz-tests/images/bko-155201-wrong-chunk-item-in-root-tree.raw.xz |