kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 5307 Comm: syz-executor4 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801cd359800 task.stack: ffff8801cc888000 RIP: 0010:[] [] sg_read_oxfer drivers/scsi/sg.c:1966 [inline] RIP: 0010:[] [] sg_read+0xd06/0x1440 drivers/scsi/sg.c:519 RSP: 0018:ffff8801cc88fac0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff82669c2d RDX: 0000000000000000 RSI: ffffc90003b54000 RDI: ffff8801cd1c2270 RBP: ffff8801cc88fbc8 R08: 0000000000000000 R09: ffffed003991afa9 R10: 0000000000000005 R11: ffffed003991afa8 R12: 0000000000001000 R13: 0000000000000000 R14: ffff8801cc8d7d20 R15: ffff8801cd1c2240 FS: 00007f27cad50700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f33de0a1db8 CR3: 00000001cef6c000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801d593b9c0 ffff8801cc88faf0 ffff8801cd1c2258 ffff880100000008 0000000000000000 ffff8801cd1c2268 000000000000002c 0000000000000246 ffff8801d162c500 1ffff10039911f64 0000000020602fd4 0000000020602ff8 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+0x29/0xe8 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:1966 [inline] RIP [] sg_read+0xd06/0x1440 drivers/scsi/sg.c:519 RSP ---[ end trace b7e9cf39c9fbd02b ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..