Latest version of github/master works great! Thank you.
On Fri, Feb 23, 2018 at 4:58 PM, Dave Watson <davejwat...@fb.com> wrote: > On 02/23/18 10:30 AM, Jérémy Coulon wrote: > > Hello! > > > > I am having a crash in libunwind while using heaptrack to profile my > > application. > > > > Here is the callstack: > > > > Thread 56 (Thread 0x7ffeff661700 (LWP 5926)): > > #9 access_mem (as=<optimized out>, addr=29930553589, > > val=0x7ffeff65eb90, write=<optimized out>, arg=<optimized out>) at > > x86_64/Ginit.c:175 > > #10 0x00007ffff6f8829c in dwarf_get (c=0x7ffeff65f090, > > c=0x7ffeff65f090, val=0x7ffeff65eb90, loc=...) at > > ../include/tdep-x86_64/libunwind_i.h:167 > > #11 _ULx86_64_step (cursor=cursor@entry=0x7ffeff65f090) at > x86_64/Gstep.c:166 > > #12 0x00007ffff6f8942c in trace_init_addr (rsp=<optimized out>, > > rbp=<optimized out>, rip=<optimized out>, cfa=31901497176, > > cursor=0x7ffeff65f090, f=0x7fff4bfdc940) at x86_64/Gtrace.c:248 > > #13 trace_lookup (rsp=<optimized out>, rbp=<optimized out>, > > rip=<optimized out>, cfa=31901497176, cache=<optimized out>, > > cursor=0x7ffeff65f090) at x86_64/Gtrace.c:330 > > > > I am using: > > * heaptrack version v1.0.0-119-g6e31841 > > * libunwind version v1.2-3-gac02808 > > > > There were several recent fixes to access_mem since v1.2, including > https://github.com/libunwind/libunwind/commit/ > 05d814b64036b1ea2f0f328b3a985b03559dcf10 > https://github.com/libunwind/libunwind/commit/ > 836c91c43d7a996028aa7e8d1f53630a6b8e7cbe > > Can you try master and see if any of those patches fix your issue? > > Thanks >
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