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: 0 PID: 26451 Comm: syz-executor.2 Not tainted 4.4.174+ #17 task: ffff8800b834df00 task.stack: ffff8801cf2d0000 RIP: 0010:[] [] file_end_write include/linux/fs.h:2555 [inline] RIP: 0010:[] [] aio_run_iocb+0x532/0x6f0 fs/aio.c:1480 RSP: 0018:ffff8801cf2d7b20 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: fffffffffffffdef RCX: ffffc90006959000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8800b834ef60 RBP: ffff8801cf2d7cd8 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d624f400 R13: 1ffff10039e5af6a R14: 0000000000000000 R15: ffff8800b6a84020 FS: 0000000000000000(0000) GS:ffff8801db600000(0063) knlGS:00000000f522ab40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000008484bb8 CR3: 000000010b95f000 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8800b834e7c8 ffffffff8154fcc0 0000000100000002 ffff880000000001 377140be6b5ef4c7 0000000020000000 0000000041b58ab3 ffffffff82c5ee80 ffffffff8157f8d0 ffff8800b834e7b8 0000000041b58ab3 ffffffff82c4d560 Call Trace: [] io_submit_one fs/aio.c:1579 [inline] [] do_io_submit+0x639/0xf10 fs/aio.c:1637 [] C_SYSC_io_submit fs/compat.c:651 [inline] [] compat_SyS_io_submit+0xe4/0x140 fs/compat.c:636 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a Code: ea 03 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 7c 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 64 01 00 00 41 0f b7 06 66 RIP [] file_end_write include/linux/fs.h:2555 [inline] RIP [] aio_run_iocb+0x532/0x6f0 fs/aio.c:1480 RSP ---[ end trace a917c20b525380b0 ]---