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verifier bug: REG INVARIANTS VIOLATION (true_reg1): range bounds violation u64=[0xeffffbf0, 0xd00000d0] s64=[0xeffffbf0, 0xd00000d0] u32=[0xeffffbf0, 0xd00000d0] s32=[0xeffffbf0, 0xfffffff0] var_off=(0xc0000030, 0x3fffffc0)
WARNING: kernel/bpf/verifier.c:2742 at 0x0, CPU#0: syz.4.2405/14540
Modules linked in:
CPU: 0 UID: 0 PID: 14540 Comm: syz.4.2405 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:reg_bounds_sanity_check+0x361/0x1360 kernel/bpf/verifier.c:2742
Code: ff ff 50 8b 85 6c ff ff ff 50 8b 85 7c ff ff ff 50 8b 85 78 ff ff ff 50 ff 75 b8 4c 8b 4d c0 48 8b 95 70 ff ff ff 48 8b 75 80 <67> 48 0f b9 3a 48 8b 95 48 ff ff ff 48 83 c4 38 48 b8 00 00 00 00
RSP: 0018:ffffc9000b7c7278 EFLAGS: 00010287
RAX: 00000000effffbf0 RBX: ffff888066b1c19c RCX: 00000000effffbf0
RDX: ffffffff8b95e900 RSI: ffffffff8b9633a0 RDI: ffffffff908c61e0
RBP: ffffc9000b7c7368 R08: 00000000d00000d0 R09: 00000000effffbf0
R10: 00000000d00000d0 R11: 0101010101010101 R12: 00000000effffbf0
R13: 00000000d00000d0 R14: ffff888066b1c1a4 R15: ffff888066b1c150
FS:  00007f79c8f836c0(0000) GS:ffff8881248fd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f79c8f82f98 CR3: 00000000550df000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 reg_set_min_max kernel/bpf/verifier.c:16570 [inline]
 reg_set_min_max+0x18d/0x2d0 kernel/bpf/verifier.c:16537
 check_cond_jmp_op+0x277c/0x7890 kernel/bpf/verifier.c:17005
 do_check_insn kernel/bpf/verifier.c:20441 [inline]
 do_check kernel/bpf/verifier.c:20581 [inline]
 do_check_common+0xa4d3/0xc640 kernel/bpf/verifier.c:23865
 do_check_main kernel/bpf/verifier.c:23948 [inline]
 bpf_check+0x8b63/0xcb70 kernel/bpf/verifier.c:25255
 bpf_prog_load+0x114e/0x2cc0 kernel/bpf/syscall.c:3088
 __sys_bpf+0x3e72/0x4980 kernel/bpf/syscall.c:6164
 __do_sys_bpf kernel/bpf/syscall.c:6274 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6272 [inline]
 __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:6272
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f79c818f749
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:00007f79c8f83038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f79c83e5fa0 RCX: 00007f79c818f749
RDX: 0000000000000048 RSI: 00002000000017c0 RDI: 0000000000000005
RBP: 00007f79c8213f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f79c83e6038 R14: 00007f79c83e5fa0 R15: 00007ffc7e446478
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	50                   	push   %rax
   1:	8b 85 6c ff ff ff    	mov    -0x94(%rbp),%eax
   7:	50                   	push   %rax
   8:	8b 85 7c ff ff ff    	mov    -0x84(%rbp),%eax
   e:	50                   	push   %rax
   f:	8b 85 78 ff ff ff    	mov    -0x88(%rbp),%eax
  15:	50                   	push   %rax
  16:	ff 75 b8             	push   -0x48(%rbp)
  19:	4c 8b 4d c0          	mov    -0x40(%rbp),%r9
  1d:	48 8b 95 70 ff ff ff 	mov    -0x90(%rbp),%rdx
  24:	48 8b 75 80          	mov    -0x80(%rbp),%rsi
* 28:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2d:	48 8b 95 48 ff ff ff 	mov    -0xb8(%rbp),%rdx
  34:	48 83 c4 38          	add    $0x38,%rsp
  38:	48                   	rex.W
  39:	b8 00 00 00 00       	mov    $0x0,%eax