diff options
Diffstat (limited to 'tests/fuzz-tests/images/bko-169311-blocksize-zero-qgroup-verify.raw.txt')
| -rw-r--r-- | tests/fuzz-tests/images/bko-169311-blocksize-zero-qgroup-verify.raw.txt | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/tests/fuzz-tests/images/bko-169311-blocksize-zero-qgroup-verify.raw.txt b/tests/fuzz-tests/images/bko-169311-blocksize-zero-qgroup-verify.raw.txt new file mode 100644 index 00000000..c3d491be --- /dev/null +++ b/tests/fuzz-tests/images/bko-169311-blocksize-zero-qgroup-verify.raw.txt @@ -0,0 +1,126 @@ +URL: https://bugzilla.kernel.org/show_bug.cgi?id=169311 +Lukas Lueg 2016-09-18 09:23:44 UTC + +More news from the fuzzer. The attached image causes a heap-buffer-overflow +when running btrfsck with ASAN over it; using btrfs-prog s v4.7.2-56-ge8c2013 + + +==32491==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60c00000bf5c at pc 0x000000614b63 bp 0x7ffeacb5c3b0 sp 0x7ffeacb +5c3a8 +READ of size 8 at 0x60c00000bf5c thread T0 + #0 0x614b62 in crc32c_intel /home/lukas/dev/btrfsfuzz/src-asan/crc32c.c:75:19 + #1 0x614c09 in crc32c_le /home/lukas/dev/btrfsfuzz/src-asan/crc32c.c:221:9 + #2 0x58de58 in __csum_tree_block_size /home/lukas/dev/btrfsfuzz/src-asan/disk-io.c:139:8 + #3 0x58dd88 in csum_tree_block_size /home/lukas/dev/btrfsfuzz/src-asan/disk-io.c:159:9 + #4 0x58dfa1 in csum_tree_block_fs_info /home/lukas/dev/btrfsfuzz/src-asan/disk-io.c:174:9 + #5 0x58eb64 in read_tree_block_fs_info /home/lukas/dev/btrfsfuzz/src-asan/disk-io.c:348:19 + #6 0x5f2f84 in read_tree_block /home/lukas/dev/btrfsfuzz/src-asan/./disk-io.h:112:9 + #7 0x5f2d62 in travel_tree /home/lukas/dev/btrfsfuzz/src-asan/qgroup-verify.c:692:7 + #8 0x5f2bab in add_refs_for_implied /home/lukas/dev/btrfsfuzz/src-asan/qgroup-verify.c:748:8 + #9 0x5eff59 in map_implied_refs /home/lukas/dev/btrfsfuzz/src-asan/qgroup-verify.c:766:9 + #10 0x5eefa9 in qgroup_verify_all /home/lukas/dev/btrfsfuzz/src-asan/qgroup-verify.c:1366:8 + #11 0x51f08f in cmd_check /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:11637:9 + #12 0x4f0f81 in main /home/lukas/dev/btrfsfuzz/src-asan/btrfs.c:243:8 + #13 0x7fbf35742730 in __libc_start_main (/lib64/libc.so.6+0x20730) + #14 0x4213f8 in _start (/home/lukas/dev/btrfsfuzz/bin-asan/bin/btrfs+0x4213f8) + +checking extents +Chunk[256, 228, 0]: length(4194304), offset(0), type(2) is not found in block group +Chunk[256, 228, 0] stripe[1, 0] is not found in dev extent +Chunk[256, 228, 4194304]: length(1638400), offset(4194304), type(5) is not found in block group +Chunk[256, 228, 4194304] stripe[1, 4194304] is not found in dev extent +Chunk[256, 228, 5832704]: length(1638400), offset(5832704), type(5) is not found in block group +Chunk[256, 228, 5832704] stripe[1, 5832704] is not found in dev extent +ref mismatch on [131072 4096] extent item 0, found 1 +Backref 131072 parent 3 root 3 not found in extent tree +backpointer mismatch on [131072 4096] +ref mismatch on [4194304 4096] extent item 0, found 1 +Backref 4194304 parent 5 root 5 not found in extent tree +backpointer mismatch on [4194304 4096] +ref mismatch on [4198400 4096] extent item 0, found 1 +Backref 4198400 parent 1 root 1 not found in extent tree +backpointer mismatch on [4198400 4096] +ref mismatch on [4231168 4096] extent item 0, found 1 +Backref 4231168 parent 7 root 7 not found in extent tree +backpointer mismatch on [4231168 4096] +ref mismatch on [3472328296227680304 3472328296227680304] extent item 0, found 1 +Backref 3472328296227680304 root 1 owner 2 offset 0 num_refs 0 not found in extent tree +Incorrect local backref count on 3472328296227680304 root 1 owner 2 offset 0 found 1 wanted 0 back 0x60800000bc20 +backpointer mismatch on [3472328296227680304 3472328296227680304] +Dev extent's total-byte(0) is not equal to byte-used(7471104) in dev[1, 216, 1] +Errors found in extent allocation tree or chunk allocation +checking free space cache +checking fs roots +checking csums +checking root refs +checking quota groups +================================================================= +==32491==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60c00000bf5c at pc 0x000000614b63 bp 0x7ffeacb5c3b0 sp 0x7ffeacb5c3a8 +READ of size 8 at 0x60c00000bf5c thread T0 + #0 0x614b62 in crc32c_intel /home/lukas/dev/btrfsfuzz/src-asan/crc32c.c:75:19 + #1 0x614c09 in crc32c_le /home/lukas/dev/btrfsfuzz/src-asan/crc32c.c:221:9 + #2 0x58de58 in __csum_tree_block_size /home/lukas/dev/btrfsfuzz/src-asan/disk-io.c:139:8 + #3 0x58dd88 in csum_tree_block_size /home/lukas/dev/btrfsfuzz/src-asan/disk-io.c:159:9 + #4 0x58dfa1 in csum_tree_block_fs_info /home/lukas/dev/btrfsfuzz/src-asan/disk-io.c:174:9 + #5 0x58eb64 in read_tree_block_fs_info /home/lukas/dev/btrfsfuzz/src-asan/disk-io.c:348:19 + #6 0x5f2f84 in read_tree_block /home/lukas/dev/btrfsfuzz/src-asan/./disk-io.h:112:9 + #7 0x5f2d62 in travel_tree /home/lukas/dev/btrfsfuzz/src-asan/qgroup-verify.c:692:7 + #8 0x5f2bab in add_refs_for_implied /home/lukas/dev/btrfsfuzz/src-asan/qgroup-verify.c:748:8 + #9 0x5eff59 in map_implied_refs /home/lukas/dev/btrfsfuzz/src-asan/qgroup-verify.c:766:9 + #10 0x5eefa9 in qgroup_verify_all /home/lukas/dev/btrfsfuzz/src-asan/qgroup-verify.c:1366:8 + #11 0x51f08f in cmd_check /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:11637:9 + #12 0x4f0f81 in main /home/lukas/dev/btrfsfuzz/src-asan/btrfs.c:243:8 + #13 0x7fbf35742730 in __libc_start_main (/lib64/libc.so.6+0x20730) + #14 0x4213f8 in _start (/home/lukas/dev/btrfsfuzz/bin-asan/bin/btrfs+0x4213f8) + +0x60c00000bf5c is located 28 bytes to the right of 128-byte region [0x60c00000bec0,0x60c00000bf40) +allocated by thread T0 here: + #0 0x4bfd40 in calloc (/home/lukas/dev/btrfsfuzz/bin-asan/bin/btrfs+0x4bfd40) + #1 0x5c181a in __alloc_extent_buffer /home/lukas/dev/btrfsfuzz/src-asan/extent_io.c:542:7 + #2 0x5c1c76 in alloc_extent_buffer /home/lukas/dev/btrfsfuzz/src-asan/extent_io.c:646:8 + #3 0x58e01c in btrfs_find_create_tree_block /home/lukas/dev/btrfsfuzz/src-asan/disk-io.c:193:9 + #4 0x58ea90 in read_tree_block_fs_info /home/lukas/dev/btrfsfuzz/src-asan/disk-io.c:339:7 + #5 0x5f2f84 in read_tree_block /home/lukas/dev/btrfsfuzz/src-asan/./disk-io.h:112:9 + #6 0x5f2d62 in travel_tree /home/lukas/dev/btrfsfuzz/src-asan/qgroup-verify.c:692:7 + #7 0x5f2bab in add_refs_for_implied /home/lukas/dev/btrfsfuzz/src-asan/qgroup-verify.c:748:8 + #8 0x5eff59 in map_implied_refs /home/lukas/dev/btrfsfuzz/src-asan/qgroup-verify.c:766:9 + #9 0x5eefa9 in qgroup_verify_all /home/lukas/dev/btrfsfuzz/src-asan/qgroup-verify.c:1366:8 + #10 0x51f08f in cmd_check /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:11637:9 + #11 0x4f0f81 in main /home/lukas/dev/btrfsfuzz/src-asan/btrfs.c:243:8 + #12 0x7fbf35742730 in __libc_start_main (/lib64/libc.so.6+0x20730) + +SUMMARY: AddressSanitizer: heap-buffer-overflow /home/lukas/dev/btrfsfuzz/src-asan/crc32c.c:75:19 in crc32c_intel +Shadow bytes around the buggy address: + 0x0c187fff9790: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa + 0x0c187fff97a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa + 0x0c187fff97b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa + 0x0c187fff97c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa + 0x0c187fff97d0: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 +=>0x0c187fff97e0: 00 00 00 00 00 00 00 00 fa fa fa[fa]fa fa fa fa + 0x0c187fff97f0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fa + 0x0c187fff9800: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa + 0x0c187fff9810: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa + 0x0c187fff9820: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa + 0x0c187fff9830: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa +Shadow byte legend (one shadow byte represents 8 application bytes): + Addressable: 00 + Partially addressable: 01 02 03 04 05 06 07 + Heap left redzone: fa + Heap right redzone: fb + Freed heap region: fd + Stack left redzone: f1 + Stack mid redzone: f2 + Stack right redzone: f3 + Stack partial redzone: f4 + Stack after return: f5 + Stack use after scope: f8 + Global redzone: f9 + Global init order: f6 + Poisoned by user: f7 + Container overflow: fc + Array cookie: ac + Intra object redzone: bb + ASan internal: fe + Left alloca redzone: ca + Right alloca redzone: cb +==32491==ABORTING |