------------[ cut here ]------------
WARNING: CPU: 1 PID: 2600 at fs/read_write.c:438 fsnotify_file include/linux/fsnotify.h:78 [inline]
WARNING: CPU: 1 PID: 2600 at fs/read_write.c:438 fsnotify_access include/linux/fsnotify.h:249 [inline]
WARNING: CPU: 1 PID: 2600 at fs/read_write.c:438 __kernel_read+0xf9/0x120 fs/read_write.c:449
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 2600 Comm: kworker/1:16 Not tainted 5.8.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events p9_read_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xb3/0xec lib/dump_stack.c:118
 panic+0x115/0x2fa kernel/panic.c:231
 __warn.cold.13+0x20/0x25 kernel/panic.c:600
 report_bug+0xc0/0xf0 lib/bug.c:198
 handle_bug+0x35/0x90 arch/x86/kernel/traps.c:235
 exc_invalid_op+0x13/0x60 arch/x86/kernel/traps.c:255
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:542
RIP: 0010:__kernel_read+0xf9/0x120 fs/read_write.c:438
Code: 8b 04 25 00 7f 01 00 48 01 a8 98 10 00 00 eb 8e 45 31 c9 45 31 c0 b9 01 00 00 00 4c 89 f2 89 de 4c 89 e7 e8 29 99 05 00 eb d4 <0f> 0b 48 c7 c5 ea ff ff ff e9 77 ff ff ff 48 c7 c5 ea ff ff ff e9
RSP: 0018:ffffc9000538fdf8 EFLAGS: 00010246
RAX: 00000000081d801e RBX: ffff888129340680 RCX: ffffc9000538fe28
RDX: 0000000000000007 RSI: ffff88810e55e260 RDI: ffff88811ebcec00
RBP: ffff88810e55e210 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff846b2534 R11: eaeb4e6b42d1966d R12: ffffffffffffffff
R13: 0000000000000000 R14: ffff88810e55e330 R15: ffff88810e55e338
 p9_fd_read net/9p/trans_fd.c:263 [inline]
 p9_read_work+0xa2/0x370 net/9p/trans_fd.c:298
 process_one_work+0x26a/0x5f0 kernel/workqueue.c:2269
 worker_thread+0x38/0x380 kernel/workqueue.c:2415
 kthread+0x148/0x170 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
Kernel Offset: disabled
Rebooting in 86400 seconds..