On Wed, Jul 24, 2019 at 1:08 AM syzbot <syzbot+ad8ca40ecd77896d5...@syzkaller.appspotmail.com> wrote: > > Hello, > > syzbot found the following crash on: > > HEAD commit: 3bfe1fc4 Merge tag 'for-5.3/dm-changes-2' of git://git.ker.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=130322afa00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=dcfc65ee492509c6 > dashboard link: https://syzkaller.appspot.com/bug?extid=ad8ca40ecd77896d51e2 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=135cbed0600000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14dd4e34600000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+ad8ca40ecd77896d5...@syzkaller.appspotmail.com
+net/ipv6/ip6_vti.c maintainers > BUG: memory leak > unreferenced object 0xffff88810cc5d860 (size 32): > comm "syz-executor938", pid 7153, jiffies 4294945400 (age 8.020s) > hex dump (first 32 bytes): > 69 70 36 5f 76 74 69 31 00 2f 37 31 35 33 00 00 ip6_vti1./7153.. > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > backtrace: > [<000000000800471f>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<000000000800471f>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<000000000800471f>] slab_alloc /mm/slab.c:3319 [inline] > [<000000000800471f>] __do_kmalloc /mm/slab.c:3653 [inline] > [<000000000800471f>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000007a2eef8e>] kstrdup+0x3a/0x70 /mm/util.c:53 > [<00000000a309e483>] kstrdup_const+0x48/0x60 /mm/util.c:75 > [<00000000cf8dc39b>] kvasprintf_const+0x7e/0xe0 /lib/kasprintf.c:48 > [<000000005a964730>] kobject_set_name_vargs+0x40/0xe0 /lib/kobject.c:289 > [<00000000e2a9ccdf>] dev_set_name+0x63/0x90 /drivers/base/core.c:1915 > [<000000007bc7b1da>] netdev_register_kobject+0x5a/0x1b0 > /net/core/net-sysfs.c:1727 > [<00000000637b4645>] register_netdevice+0x397/0x600 /net/core/dev.c:8723 > [<0000000038b21fdc>] vti6_tnl_create2+0x47/0xb0 /net/ipv6/ip6_vti.c:189 > [<0000000023231475>] vti6_tnl_create /net/ipv6/ip6_vti.c:229 [inline] > [<0000000023231475>] vti6_locate /net/ipv6/ip6_vti.c:277 [inline] > [<0000000023231475>] vti6_locate+0x244/0x2c0 /net/ipv6/ip6_vti.c:255 > [<000000006ebf0a44>] vti6_ioctl+0x17f/0x390 /net/ipv6/ip6_vti.c:802 > [<00000000077406fa>] dev_ifsioc+0x324/0x460 /net/core/dev_ioctl.c:322 > [<00000000465d817c>] dev_ioctl+0x157/0x45e /net/core/dev_ioctl.c:514 > [<00000000e2472af6>] sock_ioctl+0x394/0x480 /net/socket.c:1099 > [<0000000024234c3b>] vfs_ioctl /fs/ioctl.c:46 [inline] > [<0000000024234c3b>] file_ioctl /fs/ioctl.c:509 [inline] > [<0000000024234c3b>] do_vfs_ioctl+0x62a/0x810 /fs/ioctl.c:696 > [<0000000015b52ca4>] ksys_ioctl+0x86/0xb0 /fs/ioctl.c:713 > > > > --- > This bug is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkal...@googlegroups.com. > > syzbot will keep track of this bug report. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > syzbot can test patches for this bug, for details see: > https://goo.gl/tpsmEJ#testing-patches > > -- > You received this message because you are subscribed to the Google Groups > "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to syzkaller-bugs+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/syzkaller-bugs/000000000000edcb3c058e6143d5%40google.com.
