verifier bug: REG INVARIANTS VIOLATION (false_reg1): range bounds violation u64=[0x1, 0x0] s64=[0x1, 0x0] u32=[0x1, 0x0] s32=[0x1, 0x0] var_off=(0x0, 0x0)
WARNING: CPU: 1 PID: 6011 at kernel/bpf/verifier.c:2733 reg_bounds_sanity_check+0x6e6/0xc20 kernel/bpf/verifier.c:2727
Modules linked in:
CPU: 1 UID: 0 PID: 6011 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:reg_bounds_sanity_check+0x6e6/0xc20 kernel/bpf/verifier.c:2727
Code: 24 20 4c 8b 44 24 60 4c 8b 4c 24 58 41 ff 75 00 53 41 57 55 ff 74 24 38 ff 74 24 70 ff 74 24 40 e8 3f 2f aa ff 48 83 c4 38 90 <0f> 0b 90 90 48 bb 00 00 00 00 00 fc ff df 4d 89 f7 4c 8b 74 24 08
RSP: 0018:ffffc9000303ef08 EFLAGS: 00010282
RAX: 75f35970bb350d00 RBX: 0000000000000000 RCX: ffff888106f1d640
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000000000001 R08: ffffc9000303ebe7 R09: 1ffff92000607d7c
R10: dffffc0000000000 R11: fffff52000607d7d R12: ffff88810a31d000
R13: ffff88810a31d020 R14: ffff88810a31d038 R15: 0000000000000000
FS:  00007f5de86a66c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31163fff CR3: 00000000234d8000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 reg_set_min_max+0x264/0x300 kernel/bpf/verifier.c:16347
 check_cond_jmp_op+0x159b/0x2910 kernel/bpf/verifier.c:16790
 do_check_insn kernel/bpf/verifier.c:19967 [inline]
 do_check+0x6751/0xe520 kernel/bpf/verifier.c:20104
 do_check_common+0x1949/0x24f0 kernel/bpf/verifier.c:23275
 do_check_main kernel/bpf/verifier.c:23358 [inline]
 bpf_check+0x1746a/0x1d2e0 kernel/bpf/verifier.c:24718
 bpf_prog_load+0x1318/0x1930 kernel/bpf/syscall.c:2979
 __sys_bpf+0x528/0x870 kernel/bpf/syscall.c:6029
 __do_sys_bpf kernel/bpf/syscall.c:6139 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6137 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6137
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5de778ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5de86a6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f5de79b5fa0 RCX: 00007f5de778ebe9
RDX: 0000000000000094 RSI: 0000200000000840 RDI: 0000000000000005
RBP: 00007f5de7811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5de79b6038 R14: 00007f5de79b5fa0 R15: 00007fff9142ce98
 </TASK>
