2015-03-18 21:50 GMT+03:00 Cyrill Gorcunov <[email protected]>: > On Wed, Mar 18, 2015 at 07:31:33PM +0100, Oleg Nesterov wrote: >> On 03/18, Cyrill Gorcunov wrote: >> > >> > On Wed, Mar 18, 2015 at 06:48:43PM +0100, Oleg Nesterov wrote: >> > > >> > > Shot in a dark afer a quick grep: restore_gpregs() should initialize >> > > ->ss? >> > >> > It hasn't been needed earlier, if this would help it means abi is broken, >> > no? :) >> > Otherwise I don't understand what's happening. >> >> until this commit the kernel simply forgot to restore ->ss in sigreturn(). >> >> after this commit, if your rt_sigframe has garbage in ->ss then SIGSEGV >> is clear. > > OK, so setting up a proper ss here should fix problem. > >> > > >> > > Seriously, where is UserX86RegsEntry? >> > >> > It's in protobif/core-x86.proto, welcome to protobuf hell. >> >> Still can't find UserX86RegsEntry... OK, perhaps it comes from >> user_x86_regs_entry in protobuf/core-x86.proto. Then I guess the patch I sent >> can be compiled at least ;) > > Yeah, protobuf-c mangles "_" in message name so user_x86_regs_entry -> > UserX86RegsEntry. > Andrew should be able to test it tomorrow (hopefully it's no urgent right? ;)
This patch fixes the problem. Oleg, could you send this path in the criu maillist? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
