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: 5969 Comm: syz-executor1 Not tainted 4.9.53-g2b3a26c #60
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801c77db000 task.stack: ffff8801a3420000
RIP: 0010:[<ffffffff8144e371>] [   50.029475] tmpfs: No value for mount option 'I'
tmpfs: No value for mount option 'I'
 [<ffffffff8144e371>] __read_once_size include/linux/compiler.h:243 [inline]
 [<ffffffff8144e371>] atomic_read arch/x86/include/asm/atomic.h:26 [inline]
 [<ffffffff8144e371>] page_ref_count include/linux/page_ref.h:66 [inline]
 [<ffffffff8144e371>] put_page_testzero include/linux/mm.h:445 [inline]
 [<ffffffff8144e371>] __free_pages+0x21/0x80 mm/page_alloc.c:3901
RSP: 0018:ffff8801a3427a00  EFLAGS: 00010a07
RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffc900022d2000
RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c
RBP: ffff8801a3427a10 R08: ffffed0038f98e04 R09: ffff8801c7cc7000
R10: 0000000000000005 R11: ffffed0038f98e04 R12: 0000000000000004
R13: 0000000000000020 R14: ffff8801c8770000 R15: dffffc0000000000
FS:  00007f1ee5a40700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f926ab31db8 CR3: 00000001a67f6000 CR4: 00000000001406e0
binder: binder_mmap: 6039 2007d000-2007e000 bad vm_flags failed -1
binder: binder_mmap: 6039 2007d000-2007e000 bad vm_flags failed -1
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 0000000000000000 ffff8801c8770158 ffff8801a3427a70 ffffffff826626b1
 ffff8801c8770170 ffffed00390ee02b ffffed00390ee02e ffff8801c8770168
 dead4ead00000000 ffff8801c8770140 0000000000000000 0000000000000000
Call Trace:
 [<ffffffff826626b1>] sg_remove_scat.isra.20+0x1c1/0x2d0 drivers/scsi/sg.c:1954
 [<ffffffff82662a75>] sg_finish_rem_req+0x2b5/0x340 drivers/scsi/sg.c:1836
 [<ffffffff8266478c>] sg_read+0x91c/0x1400 drivers/scsi/sg.c:527
 [<ffffffff8156bb41>] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714
 [<ffffffff8156f910>] do_loop_readv_writev fs/read_write.c:880 [inline]
 [<ffffffff8156f910>] do_readv_writev+0x520/0x750 fs/read_write.c:874
 [<ffffffff8156fbc4>] vfs_readv+0x84/0xc0 fs/read_write.c:898
 [<ffffffff8156fce6>] do_readv+0xe6/0x250 fs/read_write.c:924
 [<ffffffff815730a7>] SYSC_readv fs/read_write.c:1011 [inline]
 [<ffffffff815730a7>] SyS_readv+0x27/0x30 fs/read_write.c:1008
 [<ffffffff838ad9c5>] entry_SYSCALL_64_fastpath+0x23/0xc6
Code: ff 66 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 3d 
RIP  [<ffffffff8144e371>] __read_once_size include/linux/compiler.h:243 [inline]
RIP  [<ffffffff8144e371>] atomic_read arch/x86/include/asm/atomic.h:26 [inline]
RIP  [<ffffffff8144e371>] page_ref_count include/linux/page_ref.h:66 [inline]
RIP  [<ffffffff8144e371>] put_page_testzero include/linux/mm.h:445 [inline]
RIP  [<ffffffff8144e371>] __free_pages+0x21/0x80 mm/page_alloc.c:3901
 RSP <ffff8801a3427a00>
---[ end trace 4a0bbc2adcce92e7 ]---