IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready ================================================================== BUG: KASAN: vmalloc-out-of-bounds in __read_once_size include/linux/compiler.h:199 [inline] BUG: KASAN: vmalloc-out-of-bounds in rcu_seq_current kernel/rcu/rcu.h:99 [inline] BUG: KASAN: vmalloc-out-of-bounds in srcu_invoke_callbacks+0x338/0x360 kernel/rcu/srcutree.c:1169 Read of size 8 at addr ffffc90006d5ac78 by task kworker/1:4/9465 CPU: 1 PID: 9465 Comm: kworker/1:4 Not tainted 5.5.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: rcu_gp srcu_invoke_callbacks Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 print_address_description.constprop.0.cold+0x5/0x30b mm/kasan/report.c:374 __kasan_report.cold+0x1b/0x41 mm/kasan/report.c:506 kasan_report+0x12/0x20 mm/kasan/common.c:639 __asan_report_load8_noabort+0x14/0x20 mm/kasan/generic_report.c:135 __read_once_size include/linux/compiler.h:199 [inline] rcu_seq_current kernel/rcu/rcu.h:99 [inline] srcu_invoke_callbacks+0x338/0x360 kernel/rcu/srcutree.c:1169 process_one_work+0x9af/0x1740 kernel/workqueue.c:2264 worker_thread+0x98/0xe40 kernel/workqueue.c:2410 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Memory state around the buggy address: ffffc90006d5ab00: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 ffffc90006d5ab80: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 >ffffc90006d5ac00: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 ^ ffffc90006d5ac80: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 ffffc90006d5ad00: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 ==================================================================