Re: [PATCH 1/3] perf report: don't try to map ip to invalid map

2018-09-27 Thread Arnaldo Carvalho de Melo
Em Thu, Sep 27, 2018 at 02:18:47PM +0530, Sandipan Das escreveu: > > > On 26/09/18 7:22 PM, Milian Wolff wrote: > > Fixes a crash when the report encounters an address that > > could not be associated with an mmaped region: > > > > #0 0x557bdc4a in callchain_srcline (ip= > Cannot access

Re: [PATCH 1/3] perf report: don't try to map ip to invalid map

2018-09-27 Thread Arnaldo Carvalho de Melo
Em Wed, Sep 26, 2018 at 04:41:23PM +0200, Milian Wolff escreveu: > On Wednesday, September 26, 2018 4:18:19 PM CEST Arnaldo Carvalho de Melo > wrote: > > Em Wed, Sep 26, 2018 at 03:52:05PM +0200, Milian Wolff escreveu: > > > Fixes a crash when the report encounters an address that > > > > > could

Re: [PATCH 1/3] perf report: don't try to map ip to invalid map

2018-09-27 Thread Jiri Olsa
On Wed, Sep 26, 2018 at 03:52:05PM +0200, Milian Wolff wrote: > Fixes a crash when the report encounters an address that > could not be associated with an mmaped region: > > #0 0x557bdc4a in callchain_srcline (ip= Cannot access memory at address 0x38>, sym=0x0, map=0x0) at > util/machine

Re: [PATCH 1/3] perf report: don't try to map ip to invalid map

2018-09-27 Thread Sandipan Das
On 26/09/18 7:22 PM, Milian Wolff wrote: > Fixes a crash when the report encounters an address that > could not be associated with an mmaped region: > > #0 0x557bdc4a in callchain_srcline (ip= Cannot access memory at address 0x38>, sym=0x0, map=0x0) at > util/machine.c:2329 > #1 unwi

Re: [PATCH 1/3] perf report: don't try to map ip to invalid map

2018-09-26 Thread Milian Wolff
On Wednesday, September 26, 2018 4:18:19 PM CEST Arnaldo Carvalho de Melo wrote: > Em Wed, Sep 26, 2018 at 03:52:05PM +0200, Milian Wolff escreveu: > > Fixes a crash when the report encounters an address that > > > could not be associated with an mmaped region: > Milian, can you spot which cset i

Re: [PATCH 1/3] perf report: don't try to map ip to invalid map

2018-09-26 Thread Arnaldo Carvalho de Melo
Em Wed, Sep 26, 2018 at 03:52:05PM +0200, Milian Wolff escreveu: > Fixes a crash when the report encounters an address that > could not be associated with an mmaped region: Milian, can you spot which cset introduced this problem? So that we can add a "Fixes: sha" tag in this (and the others, if ne

[PATCH 1/3] perf report: don't try to map ip to invalid map

2018-09-26 Thread Milian Wolff
Fixes a crash when the report encounters an address that could not be associated with an mmaped region: #0 0x557bdc4a in callchain_srcline (ip=, sym=0x0, map=0x0) at util/machine.c:2329 #1 unwind_entry (entry=entry@entry=0x7fff9180, arg=arg@entry=0x75642498) at util/machine.c:23