On Fri, Sep 16, 2016 at 01:32:05PM -0700, Guenter Roeck wrote: > On Fri, Sep 16, 2016 at 09:03:20PM +0100, Al Viro wrote: > > On Fri, Sep 16, 2016 at 12:12:18PM -0700, Guenter Roeck wrote: > > > Hi, > > > > > > I see the following runtime failure when running a 'sh' image with qemu > > > in -next. > > > > > > [ ... ] > > > > > > sd 0:0:0:0: [sda] Attached SCSI disk > > > EXT2-fs (sda): warning: mounting unchecked fs, running e2fsck is > > > recommended > > > VFS: Mounted root (ext2 filesystem) on device 8:0. > > > Freeing unused kernel memory: 124K (8c48a000 - 8c4a9000) > > > This architecture does not have kernel memory protection. > > > random: fast init done > > > Starting logging: OK > > > usb 1-1: new full-speed USB device number 2 using sm501-usb > > > Initializing random number generator... done. > > > Starting network... > > > ip: OVERRUN: Invalid argument > > > ip: OVERRUN: Bad address > > > ip: OVERRUN: Bad address > > > ip: OVERRUN: Bad address > > > ip: OVERRUN: Bad address > > > [repeats until the test aborts] > > > > > > Bisect points to commit 6e050503a150 ("sh: fix copy_from_user()"). Bisect > > > log is > > > attached. > > > > BTW, could you post your .config and information about your userland? E.g. > > is that ip(8) a busybox one, etc. If it's busybox, this smells like EINVAL > > and EFAULT resp. coming from recvmsg() on netlink sockets, with nothing > > extraordinary in iovecs, AFAICS... > > Please see https://github.com/groeck/linux-build-test/tree/master/rootfs/sh. > The rootfs is some three years old. I don't remember how I created it :-).
Well it certainly says in it that ip is busybox, and the version is 1.21.1 -- Len Sorensen