kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 5203 Comm: syz-executor5 Not tainted 4.4.169+ #2
task: ffff8801d3232f80 task.stack: ffff88008ee08000
RIP: 0010:[<ffffffff8197dcf2>]  [<ffffffff8197dcf2>] ebitmap_destroy+0x32/0xe0 security/selinux/ss/ebitmap.c:331
RSP: 0018:ffff88008ee0f658  EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 1ffff10011dc1ed7 RCX: ffffc90005366000
RDX: 0000000000000001 RSI: ffffffff8197dce1 RDI: 0000000000000008
RBP: ffff88008ee0f678 R08: 0000000000000003 R09: ffff8801d32338b8
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800ba87c860
R13: 0000000000000008 R14: 00000000ffffffea R15: ffff88008ee0f718
FS:  00007f6f7026b700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001b45940 CR3: 00000001a6ff2000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 1ffff10011dc1ed7 ffff8800ba87c860 0000000000000000 00000000ffffffea
 ffff88008ee0f698 ffffffff81986a69 ffff88008ee0fa40 ffff8800ba87c860
 ffff88008ee0f740 ffffffff8198732d ffff8801d4095e40 0000000000000004
Call Trace:
 [<ffffffff81986a69>] sens_destroy+0x49/0xa0 security/selinux/ss/policydb.c:729
 [<ffffffff8198732d>] sens_read+0x1dd/0x360 security/selinux/ss/policydb.c:1627
 [<ffffffff8199122b>] policydb_read+0xc3b/0x2280 security/selinux/ss/policydb.c:2364
 [<ffffffff819a197c>] security_load_policy+0x23c/0x9c0 security/selinux/ss/services.c:2073
 [<ffffffff81978705>] sel_write_load+0x175/0xf90 security/selinux/selinuxfs.c:535
 [<ffffffff814962e6>] __vfs_write+0x116/0x3d0 fs/read_write.c:489
 [<ffffffff81497fe2>] vfs_write+0x182/0x4e0 fs/read_write.c:538
 [<ffffffff8149a61c>] SYSC_write fs/read_write.c:585 [inline]
 [<ffffffff8149a61c>] SyS_write+0xdc/0x1c0 fs/read_write.c:577
 [<ffffffff827153a1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Code: 55 49 89 fd 41 54 53 e8 2d b7 98 ff 4d 85 ed 0f 84 92 00 00 00 e8 1f b7 98 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 91 00 00 00 49 be 00 00 00 00 00 fc ff df 4d 
RIP  [<ffffffff8197dcf2>] ebitmap_destroy+0x32/0xe0 security/selinux/ss/ebitmap.c:331
 RSP <ffff88008ee0f658>
---[ end trace 4044af0135c621f3 ]---