It's a boring Sunday afternoon, so I decided to do some destruction testing
on unusual filesystems. First on the list is AFFS.
I mounted a 900k AFFS floppy disk image via loopback, and ran fsx on it.
It dies instantly, before fsx gets to do any of its usual fun.
Unable to handle kernel NULL pointer dereference at virtual address 00000008
c01de497
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c01de497>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010282
eax: c01de488 ebx: 000006a0 ecx: cff63db8 edx: 00000000
esi: c12c5940 edi: cc511e8c ebp: cf983800 esp: cb1bfe98
ds: 0018 es: 0018 ss: 0018
Process a.out (pid: 10367, stackpage=cb1bf000)
Stack: 000006a0 c12c5940 cc511e8c cf983800 cc511e8c c01ded06 00000000 c12c5940
000006a0 000006a0 000186a0 00000000 cc511ddc 00000000 00000000 00000000
cc511ddc 00000000 000000cc c0126481 00000002 c01264e0 cc511ddc 00000048
Call Trace: [<c01ded06>] [<c0126481>] [<c01264e0>] [<c01480cb>] [<c01dce7f>]
[<c0148200>] [<c01344d9>] [<c0134777>] [<c0108743>]
Code: 8b 42 08 31 d2 8b 48 08 8b 74 24 1c 8b 46 18 a9 08 00 00 00
>>EIP; c01de496 <affs_commit_write_ofs+72/698> <=====
Trace; c01ded06 <affs_truncate+206/384>
Trace; c0126480 <do_swap_page+84/ec>
Trace; c01264e0 <do_swap_page+e4/ec>
Trace; c01480ca <notify_change+86/dc>
Trace; c01dce7e <affs_new_inode+66/1cc>
Trace; c0148200 <free_fd_array+8/4c>
Trace; c01344d8 <sys_truncate+148/180>
Trace; c0134776 <sys_truncate64+14a/184>
Trace; c0108742 <system_call+32/40>
Code; c01de496 <affs_commit_write_ofs+72/698>
00000000 <_EIP>:
Code; c01de496 <affs_commit_write_ofs+72/698> <=====
0: 8b 42 08 mov 0x8(%edx),%eax <=====
Code; c01de498 <affs_commit_write_ofs+74/698>
3: 31 d2 xor %edx,%edx
Code; c01de49a <affs_commit_write_ofs+76/698>
5: 8b 48 08 mov 0x8(%eax),%ecx
Code; c01de49e <affs_commit_write_ofs+7a/698>
8: 8b 74 24 1c mov 0x1c(%esp,1),%esi
Code; c01de4a2 <affs_commit_write_ofs+7e/698>
c: 8b 46 18 mov 0x18(%esi),%eax
Code; c01de4a4 <affs_commit_write_ofs+80/698>
f: a9 08 00 00 00 test $0x8,%eax
-- Dave Jones. http://www.codemonkey.org.uk SuSE Labs. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Wed Jan 23 2002 - 21:00:37 EST