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* [Bug breakpoints/18062] New: Infinite loop when single-step out of syscall
@ 2015-02-28 15:23 patrick at parcs dot ath.cx
  2015-02-28 15:24 ` [Bug breakpoints/18062] " patrick at parcs dot ath.cx
  2015-02-28 15:38 ` patrick at parcs dot ath.cx
  0 siblings, 2 replies; 3+ messages in thread
From: patrick at parcs dot ath.cx @ 2015-02-28 15:23 UTC (permalink / raw)
  To: gdb-prs

https://sourceware.org/bugzilla/show_bug.cgi?id=18062

            Bug ID: 18062
           Summary: Infinite loop when single-step out of syscall
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: breakpoints
          Assignee: unassigned at sourceware dot org
          Reporter: patrick at parcs dot ath.cx

When the inferior is stopped inside a syscall (e.g. poll), single-stepping out
of this syscall (via "step") causes GDB to loop and to slowly consume more and
more memory.  This can easily be seen when debugging GDB with GDB:

$ gdb gdb
(gdb) run
Starting program: /scratchpad/binutils-gdb-build/gdb/gdb 
(gdb) ^C
Program received signal SIGINT, Interrupt.
0x00007ffff6d784f0 in poll () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) step 
Single stepping until exit from function poll,
which has no line number information.
<infinite loop here>

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* [Bug breakpoints/18062] Infinite loop when single-step out of syscall
  2015-02-28 15:23 [Bug breakpoints/18062] New: Infinite loop when single-step out of syscall patrick at parcs dot ath.cx
@ 2015-02-28 15:24 ` patrick at parcs dot ath.cx
  2015-02-28 15:38 ` patrick at parcs dot ath.cx
  1 sibling, 0 replies; 3+ messages in thread
From: patrick at parcs dot ath.cx @ 2015-02-28 15:24 UTC (permalink / raw)
  To: gdb-prs

https://sourceware.org/bugzilla/show_bug.cgi?id=18062

patrick at parcs dot ath.cx changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
               Host|                            |x86

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* [Bug breakpoints/18062] Infinite loop when single-step out of syscall
  2015-02-28 15:23 [Bug breakpoints/18062] New: Infinite loop when single-step out of syscall patrick at parcs dot ath.cx
  2015-02-28 15:24 ` [Bug breakpoints/18062] " patrick at parcs dot ath.cx
@ 2015-02-28 15:38 ` patrick at parcs dot ath.cx
  1 sibling, 0 replies; 3+ messages in thread
From: patrick at parcs dot ath.cx @ 2015-02-28 15:38 UTC (permalink / raw)
  To: gdb-prs

https://sourceware.org/bugzilla/show_bug.cgi?id=18062

patrick at parcs dot ath.cx changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |x86_64-unknown-linux-gnu
               Host|x86                         |x86_64-unknown-linux-gnu

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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2015-02-28 15:24 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2015-02-28 15:23 [Bug breakpoints/18062] New: Infinite loop when single-step out of syscall patrick at parcs dot ath.cx
2015-02-28 15:24 ` [Bug breakpoints/18062] " patrick at parcs dot ath.cx
2015-02-28 15:38 ` patrick at parcs dot ath.cx

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