kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 7907 Comm: syz-executor1 Not tainted 4.15.0-rc7+ #191
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__bpf_prog_put+0x8d/0x640 kernel/bpf/syscall.c:944
RSP: 0018:ffff8801be06f718 EFLAGS: 00010a02
RAX: 13f0003c800003e0 RBX: 0000000000000001 RCX: ffffffff817e21de
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 9f8001e400001eea
RBP: ffff8801be06f7f8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10037c0dee6
R13: ffff8801be06f7d0 R14: 9f8001e400001eea R15: dffffc0000000000
FS:  0000000002639940(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004639d0 CR3: 0000000006822004 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 bpf_prog_put+0x1a/0x20 kernel/bpf/syscall.c:961
 prog_fd_array_put_ptr+0x15/0x20 kernel/bpf/arraymap.c:446
 fd_array_map_delete_elem kernel/bpf/arraymap.c:420 [inline]
 bpf_fd_array_map_clear+0xd2/0x140 kernel/bpf/arraymap.c:461
 bpf_map_put_uref+0x54/0x70 kernel/bpf/syscall.c:224
 bpf_map_put_with_uref kernel/bpf/syscall.c:248 [inline]
 bpf_map_release+0x91/0xc0 kernel/bpf/syscall.c:259
 __fput+0x327/0x7e0 fs/file_table.c:210
 ____fput+0x15/0x20 fs/file_table.c:244
 task_work_run+0x199/0x270 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x9bb/0x1ad0 kernel/exit.c:865
 do_group_exit+0x149/0x400 kernel/exit.c:968
 SYSC_exit_group kernel/exit.c:979 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:977
 entry_SYSCALL_64_fastpath+0x23/0x9a
RIP: 0033:0x452df9
RSP: 002b:0000000000a2fa08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000071bec8 RCX: 0000000000452df9
RDX: 0000000000000000 RSI: 00000000007215d0 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000ea7
R10: 000000000000000a R11: 0000000000000202 R12: 0000000000a2f9b0
R13: 000000000071bea0 R14: 0000000000000038 R15: 000000000000000a
Code: f2 f2 c7 40 08 f2 f2 f2 f2 c7 40 0c 00 f2 f2 f2 c7 40 10 f3 f3 f3 f3 e8 22 fc f1 ff 49 8d 46 18 48 89 85 28 ff ff ff 48 c1 e8 03 <42> 80 3c 38 00 0f 85 44 05 00 00 49 8b 46 18 f0 ff 08 74 3b e8 
RIP: __bpf_prog_put+0x8d/0x640 kernel/bpf/syscall.c:944 RSP: ffff8801be06f718
---[ end trace 3589134dd9fb8100 ]---