------------[ cut here ]------------ verifier bug: REG INVARIANTS VIOLATION (false_reg1): range bounds violation u64=[0x0, 0x0] s64=[0x0, 0x0] u32=[0x1, 0x0] s32=[0x0, 0x0] var_off=(0x0, 0x0)(1) WARNING: CPU: 0 PID: 3352 at kernel/bpf/verifier.c:2688 reg_bounds_sanity_check+0x1dc/0x1f0 kernel/bpf/verifier.c:2682 Modules linked in: CPU: 0 UID: 0 PID: 3352 Comm: syz.2.16 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:reg_bounds_sanity_check+0x1dc/0x1f0 kernel/bpf/verifier.c:2682 Code: d7 48 89 ca 49 89 cc 48 89 c1 ff 73 20 ff 73 18 55 41 55 41 53 41 52 ff 73 30 e8 5f 16 ce ff 4c 89 e1 4c 89 fa 48 83 c4 38 90 <0f> 0b 90 90 e9 6d fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 RSP: 0018:ffffc900038078c8 EFLAGS: 00010282 RAX: 3207c83cf2aea000 RBX: ffff88810bfe6000 RCX: ffffffff839e1e37 RDX: ffffffff839bcda4 RSI: 00000000ffffdfff RDI: 00000000ffffffff RBP: 0000000000000000 R08: 0000000000001fff R09: ffffffff83ca2470 R10: 0000000000005ffd R11: 00000000ffffdfff R12: ffffffff839e1e37 R13: 0000000000000000 R14: ffff88810bf10000 R15: ffffffff839bcda4 FS: 00007f69c94896c0(0000) GS:ffff8882b2f2c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f69c85182f0 CR3: 0000000106f00000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reg_set_min_max+0x178/0x1b0 kernel/bpf/verifier.c:16262 check_cond_jmp_op+0x78a/0xa70 kernel/bpf/verifier.c:-1 do_check_insn kernel/bpf/verifier.c:19882 [inline] do_check+0x1d2e/0x3030 kernel/bpf/verifier.c:20017 do_check_common+0x319/0x820 kernel/bpf/verifier.c:23180 do_check_main kernel/bpf/verifier.c:23263 [inline] bpf_check+0xf6d/0x52d0 kernel/bpf/verifier.c:24619 bpf_prog_load+0x65c/0x700 kernel/bpf/syscall.c:2972 __sys_bpf+0x3f4/0x590 kernel/bpf/syscall.c:5978 __do_sys_bpf kernel/bpf/syscall.c:6085 [inline] __se_sys_bpf kernel/bpf/syscall.c:6083 [inline] __x64_sys_bpf+0x17/0x20 kernel/bpf/syscall.c:6083 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0x2f0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f69c858e929 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:00007f69c9489038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f69c87b5fa0 RCX: 00007f69c858e929 RDX: 0000000000000045 RSI: 00002000002a0fb8 RDI: 0000000000000005 RBP: 00007f69c8610b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f69c87b5fa0 R15: 00007ffd586d6ef8