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https://github.com/kdave/btrfs-progs
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52 lines
4.0 KiB
Plaintext
52 lines
4.0 KiB
Plaintext
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URL: https://bugzilla.kernel.org/show_bug.cgi?id=168301
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Lukas Lueg 2016-09-17 20:00:11 UTC
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More news from the fuzzer. The attached image causes a call to abort() when
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running btrfsck over it; using btrfs-progs v4.7.2-55-g2b7c507
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Program received signal SIGABRT, Aborted.
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0x00007ffff6fae6f5 in raise () from /lib64/libc.so.6
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#0 0x00007ffff6fae6f5 in raise () from /lib64/libc.so.6
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#1 0x00007ffff6fb02fa in abort () from /lib64/libc.so.6
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#2 0x0000000000424fc7 in add_data_backref (extent_cache=0x7fffffffdfe0, bytenr=18446744073709551615, parent=<optimized out>,
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root=<optimized out>, owner=<optimized out>, offset=<optimized out>, num_refs=<optimized out>, found_ref=<optimized out>,
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max_size=4096) at cmds-check.c:4856
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#3 0x00000000004234bd in run_next_block (root=<optimized out>, bits=<optimized out>, bits_nr=1024, last=<optimized out>,
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pending=<optimized out>, seen=<optimized out>, reada=<optimized out>, nodes=<optimized out>, extent_cache=<optimized out>,
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chunk_cache=<optimized out>, dev_cache=<optimized out>, block_group_cache=<optimized out>, dev_extent_cache=<optimized out>,
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ri=<optimized out>) at cmds-check.c:6388
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#4 0x0000000000421d9b in deal_root_from_list (list=<optimized out>, root=<optimized out>, bits=<optimized out>, bits_nr=1024,
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pending=<optimized out>, seen=<optimized out>, reada=<optimized out>, nodes=<optimized out>, extent_cache=<optimized out>,
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chunk_cache=<optimized out>, dev_cache=<optimized out>, block_group_cache=<optimized out>, dev_extent_cache=<optimized out>)
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at cmds-check.c:8391
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#5 0x000000000041d160 in check_chunks_and_extents (root=<optimized out>) at cmds-check.c:8558
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#6 0x000000000041bf0b in cmd_check (argc=<optimized out>, argv=<optimized out>) at cmds-check.c:11493
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#7 0x000000000040a10d in main (argc=<optimized out>, argv=0x7fffffffe218) at btrfs.c:243
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Checking filesystem on crashing_images/id:000170,sig:06,src:001268,op:havoc,rep:8.img
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UUID: 056b0872-c0a7-4121-8ac9-2263ffbee306
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checking extents/bin/sh: line 3: 4644 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:000170,sig:06,src:001268,op:havoc,rep:8.img
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Starting program: /home/lukas/dev/btrfsfuzz/bin/bin/btrfsck crash000170.img
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[Thread debugging using libthread_db enabled]
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Using host libthread_db library "/lib64/libthread_db.so.1".
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Program received signal SIGABRT, Aborted.
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0x00007ffff6fae6f5 in raise () from /lib64/libc.so.6
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#0 0x00007ffff6fae6f5 in raise () from /lib64/libc.so.6
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#1 0x00007ffff6fb02fa in abort () from /lib64/libc.so.6
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#2 0x0000000000424fc7 in add_data_backref (extent_cache=0x7fffffffdfe0, bytenr=18446744073709551615, parent=<optimized out>,
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root=<optimized out>, owner=<optimized out>, offset=<optimized out>, num_refs=<optimized out>, found_ref=<optimized out>,
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max_size=4096) at cmds-check.c:4856
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#3 0x00000000004234bd in run_next_block (root=<optimized out>, bits=<optimized out>, bits_nr=1024, last=<optimized out>,
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pending=<optimized out>, seen=<optimized out>, reada=<optimized out>, nodes=<optimized out>, extent_cache=<optimized out>,
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chunk_cache=<optimized out>, dev_cache=<optimized out>, block_group_cache=<optimized out>, dev_extent_cache=<optimized out>,
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ri=<optimized out>) at cmds-check.c:6388
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#4 0x0000000000421d9b in deal_root_from_list (list=<optimized out>, root=<optimized out>, bits=<optimized out>, bits_nr=1024,
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pending=<optimized out>, seen=<optimized out>, reada=<optimized out>, nodes=<optimized out>, extent_cache=<optimized out>,
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chunk_cache=<optimized out>, dev_cache=<optimized out>, block_group_cache=<optimized out>, dev_extent_cache=<optimized out>)
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at cmds-check.c:8391
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#5 0x000000000041d160 in check_chunks_and_extents (root=<optimized out>) at cmds-check.c:8558
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#6 0x000000000041bf0b in cmd_check (argc=<optimized out>, argv=<optimized out>) at cmds-check.c:11493
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#7 0x000000000040a10d in main (argc=<optimized out>, argv=0x7fffffffe218) at btrfs.c:243
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quit
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