[Bug 233] crash in memory allocator

via D.gnu d.gnu at puremagic.com
Fri Jul 15 12:22:34 PDT 2016


http://bugzilla.gdcproject.org/show_bug.cgi?id=233

--- Comment #4 from Sebastien Alaiwan <sebastien.alaiwan at gmail.com> ---
Yes, it seems so.

(gdb) run
Starting program: /home/ace/projects/fuzzing/crashed/fuzzalloc 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".0
100000
200000


Program received signal SIGSEGV, Segmentation fault.
__memset_sse2 () at ../sysdeps/x86_64/multiarch/../memset.S:80
80      ../sysdeps/x86_64/multiarch/../memset.S: No such file or directory.
(gdb) bt
#0  __memset_sse2 () at ../sysdeps/x86_64/multiarch/../memset.S:80
#1  0x0000000000469120 in _d_arraysetlengthT (ti=<optimized out>,
newlength=newlength at entry=8760, p=p at entry=0x7fffffffbd70) at
../../../../src/libphobos/libdruntime/rt/lifetime.d:1617
#2  0x00000000004053ce in D main (args=...) at fuzzalloc.d:25

(gdb) run
Starting program: /home/ace/projects/fuzzing/crashed/fuzzalloc 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".0
100000
200000
300000
400000
500000
600000


Program received signal SIGSEGV, Segmentation fault.
__memset_sse2 () at ../sysdeps/x86_64/multiarch/../memset.S:80
80      ../sysdeps/x86_64/multiarch/../memset.S: No such file or directory.
(gdb) bt
#0  __memset_sse2 () at ../sysdeps/x86_64/multiarch/../memset.S:80
#1  0x0000000000469120 in _d_arraysetlengthT (ti=<optimized out>,
newlength=newlength at entry=2186, p=p at entry=0x7fffffffd580) at
../../../../src/libphobos/libdruntime/rt/lifetime.d:1617
#2  0x00000000004053ce in D main (args=...) at fuzzalloc.d:25

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