kasan: GPF could be caused by NULL-ptr deref or user memory access binder: 5726:5727 got new transaction with bad transaction stack, transaction 29 has target 5726:0 binder: 5726:5727 transaction failed 29201/-71, size 0-0 line 3031 general protection fault: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 5715 Comm: syz-executor2 Not tainted 4.9.76-g8e170a5 #11 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801c71e1800 task.stack: ffff8801c9a58000 RIP: 0010:[] [] sg_read_oxfer drivers/scsi/sg.c:1976 [inline] RIP: 0010:[] [] sg_read+0xd0c/0x1440 drivers/scsi/sg.c:520 RSP: 0018:ffff8801c9a5fac0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff826688c3 RDX: 0000000000000000 RSI: ffffc900032e8000 RDI: ffff8801c72b0170 RBP: ffff8801c9a5fbc8 R08: 0000000000000000 R09: ffffed00394cf7f1 R10: 0000000000000005 R11: ffffed00394cf7f0 R12: 0000000000001000 R13: 0000000000000000 R14: ffff8801ca67bf60 R15: ffff8801c72b0140 FS: 00007f4502946700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4502924db8 CR3: 00000001ca432000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801d520d880 ffff8801c9a5faf0 ffff8801c72b0158 ffff880100000089 0000000000000000 ffff8801c72b0168 00000000000000ad 0000000000000246 ffff8801d16b6000 1ffff1003934bf64 00000000201dc000 00000000201dc024 Call Trace: [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_readv+0xe6/0x250 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x23/0xe2 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 8a 06 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5f 28 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 df 05 00 00 48 8b 1b 48 85 db 0f 84 51 03 00 RIP [] sg_read_oxfer drivers/scsi/sg.c:1976 [inline] RIP [] sg_read+0xd0c/0x1440 drivers/scsi/sg.c:520 RSP ---[ end trace be0b26bf55a27300 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..