general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 3 PID: 28207 Comm: syz-executor.0 Not tainted 6.6.0-rc2-syzkaller-00143-gb5cbe7c00aa0 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:bpf_prog_offload_verifier_prep+0xaa/0x170 kernel/bpf/offload.c:295
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 a1 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 10 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 93 00 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b
RSP: 0018:ffffc90022ac77d8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc90023384000 RCX: ffffc90003ac1000
RDX: 0000000000000000 RSI: ffffffff81aa1a76 RDI: ffff88801d941790
RBP: ffff88801d941780 R08: 0000000000000001 R09: fffffbfff1992791
R10: ffffffff8cc93c8f R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000005 R14: 0000000000000003 R15: ffffc90023384060
FS:  0000000000000000(0000) GS:ffff88802c900000(0063) knlGS:00000000f7f38b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020001380 CR3: 000000002b160000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bpf_check+0x52f3/0xabd0 kernel/bpf/verifier.c:19762
 bpf_prog_load+0x153a/0x2270 kernel/bpf/syscall.c:2708
 __sys_bpf+0xeed/0x4d30 kernel/bpf/syscall.c:5335
 __do_sys_bpf kernel/bpf/syscall.c:5439 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5437 [inline]
 __ia32_sys_bpf+0x76/0xd0 kernel/bpf/syscall.c:5437
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f3d579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f7f385ac EFLAGS: 00000292 ORIG_RAX: 0000000000000165
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020000580
RDX: 0000000000000090 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bpf_prog_offload_verifier_prep+0xaa/0x170 kernel/bpf/offload.c:295
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 a1 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 10 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 93 00 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b
RSP: 0018:ffffc90022ac77d8 EFLAGS: 00010246

RAX: dffffc0000000000 RBX: ffffc90023384000 RCX: ffffc90003ac1000
RDX: 0000000000000000 RSI: ffffffff81aa1a76 RDI: ffff88801d941790
RBP: ffff88801d941780 R08: 0000000000000001 R09: fffffbfff1992791
R10: ffffffff8cc93c8f R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000005 R14: 0000000000000003 R15: ffffc90023384060
FS:  0000000000000000(0000) GS:ffff88802c900000(0063) knlGS:00000000f7f38b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020001380 CR3: 000000002b160000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 3 bytes skipped:
   0:	df 48 89             	fisttps -0x77(%rax)
   3:	fa                   	cli
   4:	48 c1 ea 03          	shr    $0x3,%rdx
   8:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   c:	0f 85 a1 00 00 00    	jne    0xb3
  12:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  19:	fc ff df
  1c:	4c 8b 65 10          	mov    0x10(%rbp),%r12
  20:	4c 89 e2             	mov    %r12,%rdx
  23:	48 c1 ea 03          	shr    $0x3,%rdx
* 27:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2b:	0f 85 93 00 00 00    	jne    0xc4
  31:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  38:	fc ff df
  3b:	4d                   	rex.WRB
  3c:	8b                   	.byte 0x8b