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: 9070 Comm: syz-executor3 Not tainted 4.9.81-ga25ea24 #36
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801b53f4800 task.stack: ffff8801b4908000
RIP: 0010:[<ffffffff81dfc696>]  [<ffffffff81dfc696>] __list_del_entry+0x86/0x1d0 lib/list_debug.c:57
RSP: 0018:ffff8801b490f810  EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff8801b6124358
audit: type=1400 audit(1518876675.791:36): avc:  denied  { validate_trans } for  pid=9094 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:security_t:s0 tclass=security permissive=1
RDX: 0000000000000000 RSI: ffffc90002b41000 RDI: ffff8801b6124360
RBP: ffff8801b490f828 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000004 R11: ffff8801b53f4800 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000296 R15: ffff8801b6124200
FS:  00007f28a5360700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020ef0fe0 CR3: 00000001c1c20000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801b6124390 ffff8801b6124358 ffff8801b6124358 ffff8801b490f840
 ffffffff81dfc7ed ffff8801b6124260 ffff8801b490f870 ffffffff826681f3
 ffff8801b6124358 0000000020001000 1ffff10036921f18 ffff8801b6124390
Call Trace:
 [<ffffffff81dfc7ed>] list_del+0xd/0x70 lib/list_debug.c:77
 [<ffffffff826681f3>] sg_remove_request+0xa3/0x120 drivers/scsi/sg.c:2114
 [<ffffffff82670ea9>] sg_new_write.isra.26+0x849/0x940 drivers/scsi/sg.c:713
 [<ffffffff82674305>] sg_write+0x965/0xb40 drivers/scsi/sg.c:604
 [<ffffffff8156e5c3>] __vfs_write+0x103/0x680 fs/read_write.c:510
 [<ffffffff815702a9>] vfs_write+0x189/0x530 fs/read_write.c:560
 [<ffffffff81573d99>] SYSC_write fs/read_write.c:607 [inline]
 [<ffffffff81573d99>] SyS_write+0xd9/0x1b0 fs/read_write.c:599
 [<ffffffff81006505>] do_syscall_64+0x1a5/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b3e7d>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
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  [<ffffffff81dfc696>] __list_del_entry+0x86/0x1d0 lib/list_debug.c:57
 RSP <ffff8801b490f810>
---[ end trace 87a8a32373d3a6ca ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..