WARNING: CPU: 1 PID: 20920 at kernel/bpf/verifier.c:2481 adjust_ptr_min_max_vals+0x5d8/0x1880 kernel/bpf/verifier.c:2481
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 20920 Comm: syz-executor4 Not tainted 4.15.0-rc7+ #189
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1079
RIP: 0010:adjust_ptr_min_max_vals+0x5d8/0x1880 kernel/bpf/verifier.c:2481
RSP: 0018:ffff8801c3f3ef80 EFLAGS: 00010216
RAX: 0000000000010000 RBX: ffff8801bd107b40 RCX: ffffffff817ee048
RDX: 00000000000010c1 RSI: ffffc90001e1d000 RDI: ffffc9000129b049
RBP: ffff8801c3f3f018 R08: ffff8801bd107b90 R09: ffffffff85cfb260
R10: 0000000000000071 R11: ffffffff85cfa600 R12: ffff8801bd107b90
R13: ffff8801bd107b40 R14: ffffc9000129b048 R15: ffff8801bd107b40
 adjust_reg_min_max_vals+0xc3a/0x2d20 kernel/bpf/verifier.c:2931
 check_alu_op kernel/bpf/verifier.c:3109 [inline]
 do_check+0x1ba5/0xa120 kernel/bpf/verifier.c:4556
 bpf_check+0x32a3/0x58f0 kernel/bpf/verifier.c:5541
 bpf_prog_load+0xad2/0x1bb0 kernel/bpf/syscall.c:1205
 SYSC_bpf kernel/bpf/syscall.c:1820 [inline]
 SyS_bpf+0x1049/0x4400 kernel/bpf/syscall.c:1782
 entry_SYSCALL_64_fastpath+0x23/0x9a
RIP: 0033:0x452cf9
RSP: 002b:00007f0e487c9c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452cf9
RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000005
RBP: 0000000000000183 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f04e8
R13: 00000000ffffffff R14: 00007f0e487ca6d4 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..