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verifier bug: REG INVARIANTS VIOLATION (false_reg1): range bounds violation u64=[0x4000000, 0x0] s64=[0x4000000, 0x0] u32=[0x4000000, 0x0] s32=[0x4000000, 0x0] var_off=(0x0, 0x0)(1)
WARNING: CPU: 0 PID: 10701 at kernel/bpf/verifier.c:2728 reg_bounds_sanity_check+0x6e6/0xc20 kernel/bpf/verifier.c:2722
Modules linked in:
CPU: 0 UID: 0 PID: 10701 Comm: syz.3.1264 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:reg_bounds_sanity_check+0x6e6/0xc20 kernel/bpf/verifier.c:2722
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 2f 5d ab 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:ffffc9000515ef08 EFLAGS: 00010282
RAX: 86f9c78fc7483200 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000dcc9000 RSI: 0000000000004126 RDI: 0000000000004127
RBP: 0000000004000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017104863 R12: ffff88802fb9c2d0
R13: ffff88802fb9c2f0 R14: ffff88802fb9c308 R15: 0000000000000000
FS:  00007fbbb75866c0(0000) GS:ffff8881268c2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001940 CR3: 000000006a79a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 reg_set_min_max+0x264/0x300 kernel/bpf/verifier.c:16336
 check_cond_jmp_op+0x159b/0x2910 kernel/bpf/verifier.c:16779
 do_check_insn kernel/bpf/verifier.c:19956 [inline]
 do_check+0x6751/0xe520 kernel/bpf/verifier.c:20093
 do_check_common+0x1949/0x24f0 kernel/bpf/verifier.c:23260
 do_check_main kernel/bpf/verifier.c:23343 [inline]
 bpf_check+0x17473/0x1d2e0 kernel/bpf/verifier.c:24703
 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: 0033:0x7fbbb931ebe9
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:00007fbbb7586038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fbbb9545fa0 RCX: 00007fbbb931ebe9
RDX: 0000000000000048 RSI: 00002000000054c0 RDI: 0000000000000005
RBP: 00007fbbb93a1e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbbb9546038 R14: 00007fbbb9545fa0 R15: 00007ffd2556cf28
 </TASK>