IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready ================================================================== BUG: KASAN: out-of-bounds in arch_local_irq_disable arch/x86/include/asm/paravirt.h:784 [inline] BUG: KASAN: out-of-bounds in exit_to_usermode_loop+0x1cf/0x200 arch/x86/entry/common.c:174 Read of size 8 at addr ffffffff87d16910 by task modprobe/9604 CPU: 1 PID: 9604 Comm: modprobe Not tainted 4.14.198-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 print_address_description.cold+0x5/0x1d3 mm/kasan/report.c:252 kasan_report_error.cold+0x8a/0x194 mm/kasan/report.c:351 kasan_report mm/kasan/report.c:409 [inline] __asan_report_load8_noabort+0x68/0x70 mm/kasan/report.c:430 arch_local_irq_disable arch/x86/include/asm/paravirt.h:784 [inline] exit_to_usermode_loop+0x1cf/0x200 arch/x86/entry/common.c:174 The buggy address belongs to the variable: pv_irq_ops+0x10/0x30 Memory state around the buggy address: ffffffff87d16800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffffff87d16880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffffffff87d16900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffffffff87d16980: 00 00 00 00 00 00 00 00 00 00 00 00 00 fa fa fa ffffffff87d16a00: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================