protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. list_add corruption. next->prev should be prev (ffff888056a2fca8), but was ffff88808083fa80. (next=ffff88804f29a918). ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:23! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 17172 Comm: kworker/0:0 Not tainted 4.14.150 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events p9_poll_workfn task: ffff888095d4a5c0 task.stack: ffff888056a28000 RIP: 0010:__list_add_valid.cold+0xf/0x3c lib/list_debug.c:23 RSP: 0018:ffff888056a2fc20 EFLAGS: 00010286 RAX: 0000000000000075 RBX: ffff888056a2fca8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff888095d4ae90 RDI: ffffed100ad45f7a RBP: ffff888056a2fc38 R08: 0000000000000075 R09: ffff888095d4aeb0 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804f29a918 R13: ffff888056a2fca8 R14: ffff88804f29a8f0 R15: ffff88804f29a918 FS: 0000000000000000(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000206c0000 CR3: 000000005a497000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_add include/linux/list.h:60 [inline] list_add include/linux/list.h:79 [inline] list_move include/linux/list.h:171 [inline] p9_conn_cancel+0x1e3/0x880 net/9p/trans_fd.c:216 p9_poll_mux net/9p/trans_fd.c:632 [inline] p9_poll_workfn+0x27e/0x3e0 net/9p/trans_fd.c:1123 process_one_work+0x863/0x1600 kernel/workqueue.c:2114 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248 kthread+0x319/0x430 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Code: 3b ae fe eb d5 4c 89 e7 e8 8a 3b ae fe eb a3 4c 89 f7 e8 80 3b ae fe e9 56 ff ff ff 4c 89 e1 48 c7 c7 20 33 9d 86 e8 bf c2 72 fe <0f> 0b 48 89 f2 4c 89 e1 4c 89 ee 48 c7 c7 60 34 9d 86 e8 a8 c2 RIP: __list_add_valid.cold+0xf/0x3c lib/list_debug.c:23 RSP: ffff888056a2fc20 ---[ end trace fa03b40ec396afa8 ]---