------------[ cut here ]------------
WARNING: CPU: 1 PID: 1836 at lib/list_debug.c:53 __list_del_entry+0x111/0x1c0 lib/list_debug.c:51
list_del corruption, ffff8801c750c028->next is LIST_POISON1 (dead000000000100)
netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'.
Dev loop6: unable to read RDB block 1
 loop6: AHDI p1 p3
loop6: partition table partially beyond EOD, truncated
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 1836 Comm: kworker/1:2 Not tainted 4.9.118-g856452b #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events p9_poll_workfn
 ffff8801ceaef908 ffffffff81eb4b89 ffffffff83c48980 00000000ffffffff
 0000000000000000 0000000000000001 0000000000000035 ffff8801ceaef9c8
 ffffffff81421c25 0000000041b58ab3 ffffffff843bbfe8 ffffffff81421a66
Call Trace:
 [<ffffffff81eb4b89>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81eb4b89>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81421c25>] panic+0x1bf/0x3bc kernel/panic.c:179
 [<ffffffff81421f11>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542
 [<ffffffff811366d2>] warn_slowpath_fmt+0xc2/0x100 kernel/panic.c:565
 [<ffffffff81f1ca11>] __list_del_entry+0x111/0x1c0 lib/list_debug.c:51
 [<ffffffff81f1cacd>] list_del+0xd/0x70 lib/list_debug.c:77
 [<ffffffff839c5851>] p9_conn_cancel+0x2e1/0x4c0 net/9p/trans_fd.c:220
 [<ffffffff839c5f82>] p9_poll_mux net/9p/trans_fd.c:630 [inline]
 [<ffffffff839c5f82>] p9_poll_workfn+0x222/0x330 net/9p/trans_fd.c:1097
 [<ffffffff8118d181>] process_one_work+0x7e1/0x1500 kernel/workqueue.c:2092
 [<ffffffff8118df76>] worker_thread+0xd6/0x10a0 kernel/workqueue.c:2226
 [<ffffffff8119d0ed>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff839fcc5c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..