kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 28024 Comm: syz-executor1 Not tainted 4.4.167+ #4 task: ffff8801c1090000 task.stack: ffff8801a9388000 RIP: 0010:[] [] file_end_write include/linux/fs.h:2555 [inline] RIP: 0010:[] [] aio_run_iocb+0x544/0x700 fs/aio.c:1478 RSP: 0018:ffff8801a938fba0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 1ffff10035271f7a RCX: ffffc900027c8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c1091060 RBP: ffff8801a938fd78 R08: ffffea0002dadae0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800b6bb6c80 R13: fffffffffffffdef R14: 0000000000000000 R15: ffff8800ba9a8c20 FS: 00007f4b73ff5700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000930000 CR3: 00000001d4c90000 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 00000002c10908c8 ffffffff81549e20 0000000100000000 ffff8801a938fc90 00000000ffffff47 0000000020000000 0000000041b58ab3 ffffffff82c529c0 ffffffff81578ec0 ffff880100000001 0000000000000000 ffffffff82c4bd48 Call Trace: [] io_submit_one fs/aio.c:1577 [inline] [] do_io_submit+0x5b7/0xe50 fs/aio.c:1635 [] SYSC_io_submit fs/aio.c:1660 [inline] [] SyS_io_submit+0x27/0x30 fs/aio.c:1657 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Code: ea 03 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 7d 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 76 20 4c 89 f2 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 01 0f 8e 4b 01 00 00 41 0f b7 06 66 RIP [] file_end_write include/linux/fs.h:2555 [inline] RIP [] aio_run_iocb+0x544/0x700 fs/aio.c:1478 RSP ---[ end trace a0bbd2814b922eab ]---