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WARNING: CPU: 1 PID: 2500 at fs/read_write.c:427 __kernel_read+0x8d3/0xa40 fs/read_write.c:427
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 2500 Comm: kworker/1:3 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+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:542
RIP: 0010:__kernel_read+0x8d3/0xa40 fs/read_write.c:427
Code: 48 c1 e8 03 80 3c 28 00 74 08 4c 89 ef e8 c5 f1 f6 ff 49 89 5d 00 e9 f0 f8 ff ff e8 d7 ec b7 ff e9 e6 f8 ff ff e8 cd ec b7 ff <0f> 0b 49 c7 c6 ea ff ff ff e9 6e fc ff ff 89 e9 80 e1 07 80 c1 03
RSP: 0018:ffffc9000816fb40 EFLAGS: 00010293
RAX: ffffffff81bc9f53 RBX: 0000000000000000 RCX: ffff8880a0140140
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000081d801e R08: ffffffff81bc972e R09: ffffc9000816fba8
R10: fffff5200102df79 R11: 0000000000000000 R12: 1ffff110140282d2
R13: ffff8880a8fae860 R14: 0000000000000007 R15: ffff8880a0140140
 p9_fd_read net/9p/trans_fd.c:263 [inline]
 p9_read_work+0x322/0xec0 net/9p/trans_fd.c:298
 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..