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WARNING: CPU: 1 PID: 17 at fs/read_write.c:517 __kernel_write+0x8e5/0xa60 fs/read_write.c:517
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.8.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events p9_write_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1f0/0x31e lib/dump_stack.c:118
 panic+0x264/0x7a0 kernel/panic.c:231
 __warn+0x227/0x250 kernel/panic.c:600
 report_bug+0x1b1/0x2e0 lib/bug.c:198
 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:235
 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:255
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:540
RIP: 0010:__kernel_write+0x8e5/0xa60 fs/read_write.c:517
Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 f3 da f6 ff 49 89 1c 24 e9 f8 f8 ff ff e8 f5 cb b7 ff e9 ee f8 ff ff e8 eb cb b7 ff <0f> 0b 49 c7 c6 f7 ff ff ff e9 81 fc ff ff 44 89 f9 80 e1 07 80 c1
RSP: 0018:ffffc90000d8fb20 EFLAGS: 00010293
RAX: ffffffff81bcc615 RBX: 00000000000a001d RCX: ffff8880a9a48480
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff11012ad3f68 R08: ffffffff81bcbd97 R09: ffffed1030190139
R10: ffffed1030190139 R11: 0000000000000000 R12: 0000000000000015
R13: ffff88809569fbd8 R14: ffff88809569fac0 R15: ffff88809569fb44
 kernel_write+0x114/0x1e0 fs/read_write.c:552
 p9_fd_write net/9p/trans_fd.c:424 [inline]
 p9_write_work+0x588/0xcc0 net/9p/trans_fd.c:475
 process_one_work+0x789/0xfc0 kernel/workqueue.c:2269
 worker_thread+0xaa4/0x1460 kernel/workqueue.c:2415
 kthread+0x37e/0x3a0 drivers/block/aoe/aoecmd.c:1234
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
Kernel Offset: disabled
Rebooting in 86400 seconds..