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btrfs-progs/tests/fuzz-tests/images/bko-161821.raw.txt

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btrfs-progs: tests: add more fuzzed images from bugzilla Fixing the problems by one does not scale now. Add more images despite the fuzz tests will fail. They have been for some time already. Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
2016-11-14 18:06:40 +00:00
URL: https://bugzilla.kernel.org/show_bug.cgi?id=161821
Lukas Lueg 2016-09-16 20:45:58 UTC
More news from the fuzzer. The attached image causes a segmentation fault when
running btrfsck over it; using btrfs-progs v4.7.2-55-g2b7c507
The juicy parts:
==29097==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000070 (pc 0x000000581939 bp 0x7fff1f168590 sp 0x7fff1f168590 T0)
#0 0x581938 in extent_buffer_get /home/lukas/dev/btrfsfuzz/src-asan/./extent_io.h:105:10
#1 0x583daf in btrfs_search_slot /home/lukas/dev/btrfsfuzz/src-asan/ctree.c:1118:2
#2 0x538652 in check_owner_ref /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:4043:8
#3 0x535ca5 in check_block /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:4433:10
#4 0x532464 in run_next_block /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:6292:8
#5 0x52f584 in deal_root_from_list /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:8391:10
#6 0x520f81 in check_chunks_and_extents /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:8558:8
#7 0x51e5a9 in cmd_check /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:11493:9
#8 0x4f0ee1 in main /home/lukas/dev/btrfsfuzz/src-asan/btrfs.c:243:8
#9 0x7f42d367b730 in __libc_start_main (/lib64/libc.so.6+0x20730)
#10 0x421358 in _start (/home/lukas/dev/btrfsfuzz/bin-asan/bin/btrfs+0x421358)
parent transid verify failed on 4198400 wanted 14 found 1114126
parent transid verify failed on 4198400 wanted 14 found 1114126
Ignoring transid failure
ASAN:DEADLYSIGNAL
=================================================================
==29097==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000070 (pc 0x000000581939 bp 0x7fff1f168590 sp 0x7fff1f168590 T0)
#0 0x581938 in extent_buffer_get /home/lukas/dev/btrfsfuzz/src-asan/./extent_io.h:105:10
#1 0x583daf in btrfs_search_slot /home/lukas/dev/btrfsfuzz/src-asan/ctree.c:1118:2
#2 0x538652 in check_owner_ref /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:4043:8
#3 0x535ca5 in check_block /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:4433:10
#4 0x532464 in run_next_block /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:6292:8
#5 0x52f584 in deal_root_from_list /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:8391:10
#6 0x520f81 in check_chunks_and_extents /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:8558:8
#7 0x51e5a9 in cmd_check /home/lukas/dev/btrfsfuzz/src-asan/cmds-check.c:11493:9
#8 0x4f0ee1 in main /home/lukas/dev/btrfsfuzz/src-asan/btrfs.c:243:8
#9 0x7f42d367b730 in __libc_start_main (/lib64/libc.so.6+0x20730)
#10 0x421358 in _start (/home/lukas/dev/btrfsfuzz/bin-asan/bin/btrfs+0x421358)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/lukas/dev/btrfsfuzz/src-asan/./extent_io.h:105:10 in extent_buffer_get
==29097==ABORTING