netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 4422 Comm: kworker/0:3 Not tainted 4.15.0-rc3+ #133 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: kvm-irqfd-cleanup irqfd_shutdown RIP: 0010:__list_del_entry_valid+0x7e/0x150 lib/list_debug.c:51 RSP: 0018:ffff8801d15df390 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffff8801cde85ce0 RDI: ffff8801cde85ce8 RBP: ffff8801d15df3a8 R08: 1ffff1003a2bbdb5 R09: 000000000000000c R10: ffff8801d15df268 R11: 0000000000000004 R12: 0000000000000000 R13: 1ffff1003a2bbe7e R14: ffff8801cde85cc8 R15: ffff8801d15df490 FS: 0000000000000000(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000201f6fd6 CR3: 0000000005e22003 CR4: 00000000001626f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: __list_del_entry include/linux/list.h:117 [inline] list_del include/linux/list.h:125 [inline] __remove_wait_queue include/linux/wait.h:184 [inline] eventfd_ctx_remove_wait_queue+0x173/0x5b0 fs/eventfd.c:201 irqfd_shutdown+0x95/0x1a0 arch/x86/kvm/../../../virt/kvm/eventfd.c:128 process_one_work+0xbf3/0x1bc0 kernel/workqueue.c:2112 worker_thread+0x223/0x1990 kernel/workqueue.c:2246 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:441 Code: 00 00 00 00 ad de 49 39 c4 74 66 48 b8 00 02 00 00 00 00 ad de 48 89 da 48 39 c3 74 65 48 c1 ea 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 75 7b 48 8b 13 48 39 f2 75 57 49 8d 7c 24 08 48 b8 RIP: __list_del_entry_valid+0x7e/0x150 lib/list_debug.c:51 RSP: ffff8801d15df390 ---[ end trace 99997d247937910a ]--- Kernel panic - not syncing: Fatal exception Shutting down cpus with NMI Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..