[DragonFlyBSD - Bug #2970] (New) kernel 4.7: "ls -l" causes panic on UDF filesystem: "bgetvp - overlapping buffer"

bugtracker-admin at leaf.dragonflybsd.org bugtracker-admin at leaf.dragonflybsd.org
Wed Dec 21 02:46:10 PST 2016


Issue #2970 has been reported by peeter.

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Bug #2970: kernel 4.7: "ls -l" causes panic on UDF filesystem: "bgetvp - overlapping buffer"
http://bugs.dragonflybsd.org/issues/2970

* Author: peeter
* Status: New
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
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Insert a UDF formatted cd and mount it. Invoking "ls -l" leads to panic: 

% sudo mount -t udf /dev/cd0 /mnt
% ls -l /mnt

bgetvp: overlapl 0000000000091800/24576 0000000000092000 bx 0xffffffe01e70f9a0 bp 0xffffffe01e738da0
panic: bgetvp - overlapping buffer
cpuid = 0
Trace beginning at frame 0xffffffe1c2329268
panic() at panic+0x261 0xffffffff80606c5b 
panic() at panic+0x261 0xffffffff80606c5b 
bgetvp() at bgetvp+0x104 0xffffffff806834d2 
getblk() at getblk+0x3d4 0xffffffff8066d223 
breadnx() at breadnx+0x3e 0xffffffff8066d3fe 
udf_readatoffset() at udf_readatoffset+0xdb 0xffffffff83576805 
Debugger("panic")

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kgdb output is attached.



---Files--------------------------------
kernel-debug-udf-crash.txt (32.7 KB)


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