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:
audit: type=1400 audit(1520483045.207:29): avc:  denied  { dyntransition } for  pid=7603 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0,c1 tclass=process permissive=1
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 7614 Comm: syz-executor1 Not tainted 4.9.86-gd3a2afb #59
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801cc09c800 task.stack: ffff8801cd3c8000
RIP: 0010:[<ffffffff81dfcfa6>]  [<ffffffff81dfcfa6>] __list_del_entry+0x86/0x1d0 lib/list_debug.c:57
RSP: 0018:ffff8801cd3cfa48  EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff8801cc96a258
RDX: 0000000000000000 RSI: ffffc9000118a000 RDI: ffff8801cc96a260
RBP: ffff8801cd3cfa60 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000004 R11: ffff8801cc09c800 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000286 R15: ffff8801cc96a100
FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f6f52b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007f600d0e6000 CR3: 00000001ca466000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801cc96a290 ffff8801cc96a258 ffff8801cc96a258 ffff8801cd3cfa78
 ffffffff81dfd0fd ffff8801cc96a160 ffff8801cd3cfaa8 ffffffff82668cc3
 ffff8801cc96a258 0000000020000080 1ffff10039a79f5f ffff8801cc96a290
Call Trace:
 [<ffffffff81dfd0fd>] list_del+0xd/0x70 lib/list_debug.c:77
 [<ffffffff82668cc3>] sg_remove_request+0xa3/0x120 drivers/scsi/sg.c:2114
 [<ffffffff82671979>] sg_new_write.isra.26+0x849/0x940 drivers/scsi/sg.c:713
 [<ffffffff82673168>] sg_ioctl+0x16f8/0x2a00 drivers/scsi/sg.c:889
 [<ffffffff815ae4bf>] vfs_ioctl+0x6f/0xb0 fs/ioctl.c:43
 [<ffffffff8167d210>] do_ioctl+0x40/0x60 fs/compat_ioctl.c:136
 [<ffffffff8167d6b3>] sg_ioctl_trans fs/compat_ioctl.c:314 [inline]
 [<ffffffff8167d6b3>] do_ioctl_trans fs/compat_ioctl.c:1464 [inline]
 [<ffffffff8167d6b3>] C_SYSC_ioctl fs/compat_ioctl.c:1615 [inline]
 [<ffffffff8167d6b3>] compat_SyS_ioctl+0x483/0x2050 fs/compat_ioctl.c:1549
 [<ffffffff81006f95>] do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline]
 [<ffffffff81006f95>] do_fast_syscall_32+0x2f5/0x870 arch/x86/entry/common.c:387
 [<ffffffff838b6d10>] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137
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  [<ffffffff81dfcfa6>] __list_del_entry+0x86/0x1d0 lib/list_debug.c:57
 RSP <ffff8801cd3cfa48>
---[ end trace 4e4ba9fe87b48811 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..