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URL: https://bugzilla.kernel.org/show_bug.cgi?id=167921
Lukas Lueg 2016-09-17 19:16:19 UTC
More news from the fuzzer. The attached image causes a call to abort() when
running btrfsck over it; using btrfs-progs v4.7.2-55-g2b7c507
Program received signal SIGABRT, Aborted.
0x00007ffff6fae6f5 in raise () from /lib64/libc.so.6
#0 0x00007ffff6fae6f5 in raise () from /lib64/libc.so.6
#1 0x00007ffff6fb02fa in abort () from /lib64/libc.so.6
#2 0x000000000042390b in run_next_block (root=<optimized out>, bits=<optimized out>, bits_nr=1024, last=<optimized out>,
pending=<optimized out>, seen=<optimized out>, reada=<optimized out>, nodes=<optimized out>, extent_cache=<optimized out>,
chunk_cache=<optimized out>, dev_cache=<optimized out>, block_group_cache=<optimized out>, dev_extent_cache=<optimized out>,
ri=<optimized out>) at cmds-check.c:6424
#3 0x0000000000421d9b in deal_root_from_list (list=<optimized out>, root=<optimized out>, bits=<optimized out>, bits_nr=1024,
pending=<optimized out>, seen=<optimized out>, reada=<optimized out>, nodes=<optimized out>, extent_cache=<optimized out>,
chunk_cache=<optimized out>, dev_cache=<optimized out>, block_group_cache=<optimized out>, dev_extent_cache=<optimized out>)
at cmds-check.c:8391
#4 0x000000000041d1d2 in check_chunks_and_extents (root=<optimized out>) at cmds-check.c:8567
#5 0x000000000041bf0b in cmd_check (argc=<optimized out>, argv=<optimized out>) at cmds-check.c:11493
#6 0x000000000040a10d in main (argc=<optimized out>, argv=0x7fffffffe218) at btrfs.c:243
parent transid verify failed on 4194304 wanted 65305493131755520 found 14
parent transid verify failed on 4194304 wanted 65305493131755520 found 14
Ignoring transid failure
Checking filesystem on crashing_images/id:000162,sig:06,src:000059+001444,op:splice,rep:2.img
UUID: 056b0872-c0a7-4121-8ac9-2263ffbee306
checking extents/bin/sh: line 3: 3091 Aborted LD_LIBRARY_PATH=/home/lukas/dev/btrfsfuzz/bin-asan/lib LD_PRELOAD=/home/lukas/dev/afl_git/libdislocator/libdislocator.so ASAN_OPTIONS=detect_leaks=0 /home/lukas/dev/btrfsfuzz/bin-asan/bin/btrfsck crashing_images/id:000162,sig:06,src:000059+001444,op:splice,rep:2.img
Starting program: /home/lukas/dev/btrfsfuzz/bin/bin/btrfsck crash000160.img
Missing separate debuginfos, use: dnf debuginfo-install glibc-2.23.1-10.fc24.x86_64
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
[Inferior 1 (process 21730) exited with code 0376]
Missing separate debuginfos, use: dnf debuginfo-install libblkid-2.28.2-1.fc24.x86_64 libuuid-2.28.2-1.fc24.x86_64 lzo-2.08-8.fc24.x86_64 zlib-1.2.8-10.fc24.x86_64
No stack.
Starting program: /home/lukas/dev/btrfsfuzz/bin/bin/btrfsck crash000162.img
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Program received signal SIGABRT, Aborted.
0x00007ffff6fae6f5 in raise () from /lib64/libc.so.6
#0 0x00007ffff6fae6f5 in raise () from /lib64/libc.so.6
#1 0x00007ffff6fb02fa in abort () from /lib64/libc.so.6
#2 0x000000000042390b in run_next_block (root=<optimized out>, bits=<optimized out>, bits_nr=1024, last=<optimized out>,
pending=<optimized out>, seen=<optimized out>, reada=<optimized out>, nodes=<optimized out>, extent_cache=<optimized out>,
chunk_cache=<optimized out>, dev_cache=<optimized out>, block_group_cache=<optimized out>, dev_extent_cache=<optimized out>,
ri=<optimized out>) at cmds-check.c:6424
#3 0x0000000000421d9b in deal_root_from_list (list=<optimized out>, root=<optimized out>, bits=<optimized out>, bits_nr=1024,
pending=<optimized out>, seen=<optimized out>, reada=<optimized out>, nodes=<optimized out>, extent_cache=<optimized out>,
chunk_cache=<optimized out>, dev_cache=<optimized out>, block_group_cache=<optimized out>, dev_extent_cache=<optimized out>)
at cmds-check.c:8391
#4 0x000000000041d1d2 in check_chunks_and_extents (root=<optimized out>) at cmds-check.c:8567
#5 0x000000000041bf0b in cmd_check (argc=<optimized out>, argv=<optimized out>) at cmds-check.c:11493
#6 0x000000000040a10d in main (argc=<optimized out>, argv=0x7fffffffe218) at btrfs.c:243
quit
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