x86/dumpstack: Print registers for first stack frame

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commit 3ffdeb1a02 upstream.

In the stack dump code, if the frame after the starting pt_regs is also
a regs frame, the registers don't get printed.  Fix that.

Reported-by: Andy Lutomirski <luto@amacapital.net>
Tested-by: Alexander Tsoy <alexander@tsoy.me>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Toralf Förster <toralf.foerster@gmx.de>
Fixes: 3b3fa11bc7 ("x86/dumpstack: Print any pt_regs found on the stack")
Link: http://lkml.kernel.org/r/396f84491d2f0ef64eda4217a2165f5712f6a115.1514736742.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Josh Poimboeuf 2017-12-31 10:18:07 -06:00 • committed by Greg Kroah-Hartman

parent a841ba8f4d

commit 89c96233a9

1 changed files with 2 additions and 1 deletions

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arch/x86/kernel/dumpstack.c

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