KASan for powerpc

KHUSHAL GUMGAONKAR khushaluniversal at yahoo.com
Tue Oct 10 23:51:06 AEDT 2017


 Hi Aneesh,
I am facing unknown error in printk  during boot and after that kernel Hangs on powerpc with KASan changes.
below is stack BUG: KASan: unknown crash in printk+0x60/0xb0 at addr 40bd4004Read of size 4 by task swapper/0CPU: 0 PID: 0 Comm: swapper Not tainted 4.1.35-rt41-g8ca68bd-dirty #0Call Trace:[40bd7e70] [40967e08] dump_stack+0x90/0xbc (unreliable)[40bd7ea0] [4014b588] kasan_report_error+0x408/0x410[40bd7f00] [4014ba54] kasan_report+0x34/0x50[40bd7f30] [40149df4] __asan_load4+0xe4/0x100[40bd7f60] [40966e74] printk+0x60/0xb0[40bd7fb0] [40b418b4] start_kernel+0x9c/0x42c[40bd7ff0] [400003d8] set_ivor+0x140/0x17c
Memory state around the buggy address: 40bd3ec0: 00 00 00 0a 7f b0 67 70 7f f6 72 87 7f f6 d9 e5 40bd3f40: 00 00 00 0a 7f b0 67 70 7f f6 72 87 7f f6 d9 e5>40bd3fc0: 00 00 00 0a 7f b0 67 70 7f f6 72 87 7f f6 d9 e5                                   ^ 40bd4040: 00 00 00 0a 7f b0 67 70 7f f6 72 87 7f f6 d9 e5 40bd40c0: 00 00 00 0a 7f b0 67 70 7f f6 72 87 7f f6 d9 e5
please suggest some solutions which I can try. I am completely exhausted now with trial and error.
I was not able to send mail through community and hence sending personal mail.

THANKS AND REGARDS,
KHUSHAL K. GUMGAONKARM.TECH IN VISUAL INFORMATION AND EMBEDDED SYSTEM,IIT KHARAGPUR
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ozlabs.org/pipermail/linuxppc-dev/attachments/20171010/f70d9044/attachment-0001.html>


More information about the Linuxppc-dev mailing list