https://bz.apache.org/ooo/show_bug.cgi?id=128579

--- Comment #2 from dam...@apache.org ---
So I tried building and testing various commits in that range of 32 commits
that caused this regression:

Commit                                          Builds?  Works?
36a464621660bc9c55b210922d14dc3735a9077e                
9ec87cd3b34edb40cfe3e776689fb643e6988567                
8ee1071cd11ad3f8718884f8c00e3b804d0af3b1                
2cdd1ab0954d1a9988859888d6f6959a67d65693                
c2eaa082a297a157b60dd87990a41542135872c8                
9d9bf804fbab7089311c26afdf81e1d8d28d853b                
0f74efc0ec8e3d3afd0cecccb02fbb5c870cb9f2                
5707f3c20a9e1a1c755e034eba60a84635e66cc1        FALSE   
79496c0e51bec39643863c32709ffb17c141f62f                
7a5aa0144b33f34e6026854c21acbf8d7489983a                
ced59291f7a8e2ed44ad73b26bcdef75827bc7b2                
86af277237f2917ff5a5d13dc3647298c7d998f6                
fbcf52f4d5facbb0884558ee718f6746df6bc62f                
87936a440797b7a985fef974d60f4a48c39b855c                
961599b3ba1767fc0f5ca79ba244c90113c3aa24                
8f081814dede3b5e8825d4cd6e5c9c363b19f21e                
67866f572d8a86e153be747862ec69d5c4477d82        FALSE   
d8fd122573a3a07dedb0b01271fbbe9e47077b7b        FALSE   
3974c0663f06bb0a4e51c69a5d49c61022b8fd5b                
209925efc4daf4fbf9be8d0ac9cf3fe7fc360b24                
1e6c8db2b969e0b438d749b8ed79f6a08fe75d2c                
434f02cad7370eb311370dc8dcc01b377a85f9e8        FALSE   
bb99baf43803e8317e9f40ec033cd2f7a36b87e9        FALSE   
597c409aade8823e17f55ff8711dc896ad293690        FALSE   
20e487bda952ee879baf3ee086928fd08706c564        FALSE   
fffd1d5de18ed84b4db5b15a57540d804700e38c        FALSE   
3155dbc2d6387a8f19e0cf04cd12c3d4501eaef4        FALSE   
a38ef00207b4524282a09fe5cd78defe45caf613        FALSE   
8dc46c982409f2e0e073dd55d6b2e4241173c266        TRUE    FALSE
3228dc3342001440d11c7fb59e0ed697f17dc10f        TRUE    FALSE
a890f778ee3da0f9a88d833ee3aa73bbd9d6406e        TRUE    FALSE
765ae79b138b5cc2543282200466b2ef4be7be8e        TRUE    TRUE


Most don't build, but by some miracle, out of the first 4 that did, it was
definitely commit a890f778ee3da0f9a88d833ee3aa73bbd9d6406e that caused this
regression.

Probably the changed return values from ParaPortionList::FindParagraph()
(0xFFFF to SAL_MAX_UINT32) or FastGetPos() (USHRT_MAX to SAL_MAX_UINT32) are
not checked properly by some caller, resulting in it not detecting the element
does not exist, and then trying to access an invalid element (possibly NULL?)
leads to the crash.

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