------------[ cut here ]------------ verifier bug: REG INVARIANTS VIOLATION (false_reg1): range bounds violation u64=[0xffffffffffffffd8, 0xffffffffffffffd7] s64=[0xffffffffffffffd8, 0xffffffffffffffd7] u32=[0xffffffd8, 0xffffffd7] s32=[0xffffffd7, 0xffffffd8] var_off=(0xffffffffffffffd0, 0xf) WARNING: CPU: 0 PID: 11617 at kernel/bpf/verifier.c:2721 reg_bounds_sanity_check+0x6e6/0xc20 kernel/bpf/verifier.c:2715 Modules linked in: CPU: 0 UID: 0 PID: 11617 Comm: syz.4.1461 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:reg_bounds_sanity_check+0x6e6/0xc20 kernel/bpf/verifier.c:2715 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 ef 44 a9 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:ffffc90019736ee8 EFLAGS: 00010286 RAX: eabea2307973b400 RBX: ffffffffffffffd0 RCX: 0000000000080000 RDX: ffffc9000c97c000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: 00000000ffffffd7 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba684 R12: ffff888057d8e000 R13: ffff888057d8e020 R14: ffff888057d8e038 R15: 00000000ffffffd8 FS: 00007f62a5c426c0(0000) GS:ffff888126131000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1302c85d58 CR3: 00000000789c4000 CR4: 00000000003526f0 Call Trace: reg_set_min_max+0x264/0x300 kernel/bpf/verifier.c:16411 check_cond_jmp_op+0x1985/0x2d50 kernel/bpf/verifier.c:16843 do_check_insn kernel/bpf/verifier.c:19931 [inline] do_check+0x5ac2/0xee10 kernel/bpf/verifier.c:20071 do_check_common+0x1938/0x24e0 kernel/bpf/verifier.c:23261 do_check_main kernel/bpf/verifier.c:23344 [inline] bpf_check+0x183de/0x1d720 kernel/bpf/verifier.c:24649 bpf_prog_load+0x13ba/0x19e0 kernel/bpf/syscall.c:3078 __sys_bpf+0x507/0x860 kernel/bpf/syscall.c:6150 __do_sys_bpf kernel/bpf/syscall.c:6260 [inline] __se_sys_bpf kernel/bpf/syscall.c:6258 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6258 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f62a4d8f749 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:00007f62a5c42038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f62a4fe5fa0 RCX: 00007f62a4d8f749 RDX: 0000000000000094 RSI: 0000200000000840 RDI: 0000000000000005 RBP: 00007f62a4e13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f62a4fe6038 R14: 00007f62a4fe5fa0 R15: 00007fff8eb024e8