------------[ cut here ]------------ WARNING: CPU: 1 PID: 7793 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: 7793 Comm: kworker/1:4 Not tainted 5.8.0-rc5-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 67 e3 b7 ff e9 e6 f8 ff ff e8 5d e3 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:ffffc900169bfb40 EFLAGS: 00010293 RAX: ffffffff81bcab63 RBX: 0000000000000000 RCX: ffff88808fe12580 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000081d801e R08: ffffffff81bca33e R09: ffffc900169bfba8 R10: fffff52002d37f79 R11: 0000000000000000 R12: 1ffff11011fc275a R13: ffff88809a487460 R14: 0000000000000007 R15: ffff88808fe12580 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..