Re: [PATCH] ppc64/kprobe: Fix oops when kprobed on 'stdu' instruction

2017-04-10 Thread Anton Blanchard
Hi Ravi, > If we set a kprobe on a 'stdu' instruction on powerpc64, we see a > kernel OOPS: Ouch! We should mark this for stable. Anton

Re: [PATCH] ppc64/kprobe: Fix oops when kprobed on 'stdu' instruction

2017-04-10 Thread Naveen N. Rao
Excerpts from Ravi Bangoria's message of April 10, 2017 20:50: If we set a kprobe on a 'stdu' instruction on powerpc64, we see a kernel OOPS: [ 1275.165932] Bad kernel stack pointer cd93c840 at c0009868 [ 1275.166378] Oops: Bad kernel stack pointer, sig: 6 [#1] ... GPR00:

[PATCH] ppc64/kprobe: Fix oops when kprobed on 'stdu' instruction

2017-04-10 Thread Ravi Bangoria
If we set a kprobe on a 'stdu' instruction on powerpc64, we see a kernel OOPS: [ 1275.165932] Bad kernel stack pointer cd93c840 at c0009868 [ 1275.166378] Oops: Bad kernel stack pointer, sig: 6 [#1] ... GPR00: c01fcd93cb30 cd93c840 c15c5e00 cd93c840