kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access audit: type=1400 audit(1519610075.282:15): avc: denied { associate } for pid=4235 comm="syz-executor2" name="file0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 4237 Comm: syz-executor0 Not tainted 4.16.0-rc1+ #17 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:find_and_alloc_map kernel/bpf/syscall.c:124 [inline] RIP: 0010:map_create kernel/bpf/syscall.c:439 [inline] RIP: 0010:SYSC_bpf kernel/bpf/syscall.c:1866 [inline] RIP: 0010:SyS_bpf+0x960/0x4860 kernel/bpf/syscall.c:1843 RSP: 0018:ffff8801ca547778 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff817f587f RDX: 0000000000000000 RSI: ffffc90001eb1000 RDI: 0000000000000282 RBP: ffff8801ca547e00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff862f2ec0 R13: ffff8801ca547d58 R14: ffffffffffffffea R15: ffff8801ca547dd8 FS: 00007f0610b9c700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 00000001ba45c004 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453de9 RSP: 002b:00007f0610b9bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f0610b9c6d4 RCX: 0000000000453de9 RDX: 000000000000002c RSI: 00000000200c3000 RDI: 0000000000000000 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000003c R14: 00000000006f0640 R15: 0000000000000000 Code: ff 4c 89 ef ff d3 48 3d 00 f0 ff ff 48 89 c3 0f 87 ad 13 00 00 e8 71 a9 f1 ff 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 58 33 00 00 4c 89 ea 48 b8 00 00 00 00 00 fc RIP: find_and_alloc_map kernel/bpf/syscall.c:124 [inline] RSP: ffff8801ca547778 RIP: map_create kernel/bpf/syscall.c:439 [inline] RSP: ffff8801ca547778 RIP: SYSC_bpf kernel/bpf/syscall.c:1866 [inline] RSP: ffff8801ca547778 RIP: SyS_bpf+0x960/0x4860 kernel/bpf/syscall.c:1843 RSP: ffff8801ca547778 ---[ end trace aa6cbf13ac59a113 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..