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: 0 PID: 5675 Comm: syzkaller068865 Not tainted 4.9.85-g4c4262a #47 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d56e6000 task.stack: ffff8801bccc0000 RIP: 0010:[] [] __list_del_entry+0x86/0x1d0 lib/list_debug.c:57 RSP: 0018:ffff8801bccc7958 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff8801ba490158 RDX: 0000000000000000 RSI: 00000000634392c5 RDI: ffff8801ba490160 RBP: ffff8801bccc7970 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000004 R11: ffff8801d56e6000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000282 R15: ffff8801ba490000 FS: 00007fb239934700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb239912e78 CR3: 00000001c955e000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801ba490190 ffff8801ba490158 ffff8801ba490158 ffff8801bccc7988 ffffffff81dfd13d ffff8801ba490060 ffff8801bccc79b8 ffffffff82668ce3 ffff8801ba490158 0000000020000240 1ffff10037998f41 ffff8801ba490190 Call Trace: [] list_del+0xd/0x70 lib/list_debug.c:77 [] sg_remove_request+0xa3/0x120 drivers/scsi/sg.c:2114 [] sg_new_write.isra.26+0x849/0x940 drivers/scsi/sg.c:713 [] sg_ioctl+0x16f8/0x2a00 drivers/scsi/sg.c:889 [] vfs_ioctl fs/ioctl.c:43 [inline] [] do_vfs_ioctl+0x1aa/0x1140 fs/ioctl.c:679 [] SYSC_ioctl fs/ioctl.c:694 [inline] [] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: c4 0f 84 94 00 00 00 48 b8 00 02 00 00 00 00 ad de 48 39 c3 0f 84 a5 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 e8 00 00 00 4c 8b 03 49 39 c8 0f 85 9b 00 00 RIP [] __list_del_entry+0x86/0x1d0 lib/list_debug.c:57 RSP ---[ end trace 172337917b3a1ce0 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..