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FreeBSD lock order reversal (LOR) #204

ID 204
state patched
responsible
reported first 2007-02-21
reported last 2007-02-21
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LOR
lock order reversal:
 1st 0xc32a48e0 emuldata lock (emuldata lock) @ sys/modules/linux/../../compat/linux/linux_emul.c:68
 2nd 0xc0a50160 proctree (proctree) @ sys/modules/linux/../../compat/linux/linux_emul.c:171
		
KDB: stack backtrace:
db_trace_self_wrapper(c094f18b) at db_trace_self_wrapper+0x25
kdb_backtrace(0,ffffffff,c0a5eb20,c0a60cb8,c09f962c,...) at kdb_backtrace+0x29
witness_checkorder(c0a50160,9,c32a11ba,ab) at witness_checkorder+0x586
_sx_xlock(c0a50160,c32a11ba,ab,c2e92900,246,...) at _sx_xlock+0x50
linux_proc_exit(0,c30206c0,c2fdde8c,0,c094963e,...) at linux_proc_exit+0x5a
exit1(c2ee3d80,0,d4f7cd2c,c08c2fca,c2ee3d80,...) at exit1+0x281
exit1(c2ee3d80,d4f7cd00) at exit1
syscall(d4f7cd38) at syscall+0x256
Xint0x80_syscall() at Xint0x80_syscall+0x20
--- syscall (1, Linux ELF, sys_exit), eip = 0x28bc4a0d, esp = 0x458cc480, ebp = 0x458cc4c8 ---
		
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