syz.0.2260[7373] is installing a program with bpf_probe_write_user helper that may corrupt user memory!
syz.0.2260[7373] is installing a program with bpf_probe_write_user helper that may corrupt user memory!
syz.0.2260[7373] is installing a program with bpf_probe_write_user helper that may corrupt user memory!
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 7373 Comm: syz.0.2260 Not tainted 5.15.168-syzkaller-00719-g101e665d55a8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:do_misc_fixups kernel/bpf/verifier.c:13328 [inline]
RIP: 0010:bpf_check+0x9514/0x12bf0 kernel/bpf/verifier.c:14117
Code: 24 70 80 3c 08 00 74 08 4c 89 ef e8 86 ca 30 00 49 8b 75 00 89 df 41 ff d6 48 89 c3 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 5e ca 30 00 48 8b 1b 48 85 db 0f 84
RSP: 0018:ffffc900080e74e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 00000000fffffff3 RDI: 0000000000000000
RBP: ffffc900080e7bb0 R08: ffffffff817c2d4d R09: 0000000000000003
R10: fffff5200101cd68 R11: dffffc0000000001 R12: 1ffff9200004e213
R13: ffff888136198008 R14: ffffffff817be770 R15: ffffc9000027109c
FS:  00007fe5b74526c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000011b09e000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bpf_prog_load+0x12ac/0x1b50 kernel/bpf/syscall.c:2333
 __sys_bpf+0x4bc/0x760 kernel/bpf/syscall.c:4633
 __do_sys_bpf kernel/bpf/syscall.c:4737 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4735 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4735
 x64_sys_call+0x87f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fe5b8e1b819
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:00007fe5b7452038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fe5b8fd3160 RCX: 00007fe5b8e1b819
RDX: 0000000000000090 RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 00007fe5b8e8e75e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe5b8fd3160 R15: 00007ffeb0e72358
 </TASK>
Modules linked in:
---[ end trace 15951a3d4d3066df ]---
RIP: 0010:do_misc_fixups kernel/bpf/verifier.c:13328 [inline]
RIP: 0010:bpf_check+0x9514/0x12bf0 kernel/bpf/verifier.c:14117
Code: 24 70 80 3c 08 00 74 08 4c 89 ef e8 86 ca 30 00 49 8b 75 00 89 df 41 ff d6 48 89 c3 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 5e ca 30 00 48 8b 1b 48 85 db 0f 84
RSP: 0018:ffffc900080e74e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 00000000fffffff3 RDI: 0000000000000000
RBP: ffffc900080e7bb0 R08: ffffffff817c2d4d R09: 0000000000000003
R10: fffff5200101cd68 R11: dffffc0000000001 R12: 1ffff9200004e213
R13: ffff888136198008 R14: ffffffff817be770 R15: ffffc9000027109c
FS:  00007fe5b74526c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbf3726aab8 CR3: 000000011b09e000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	24 70                	and    $0x70,%al
   2:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1)
   6:	74 08                	je     0x10
   8:	4c 89 ef             	mov    %r13,%rdi
   b:	e8 86 ca 30 00       	call   0x30ca96
  10:	49 8b 75 00          	mov    0x0(%r13),%rsi
  14:	89 df                	mov    %ebx,%edi
  16:	41 ff d6             	call   *%r14
  19:	48 89 c3             	mov    %rax,%rbx
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	48 89 df             	mov    %rbx,%rdi
  33:	e8 5e ca 30 00       	call   0x30ca96
  38:	48 8b 1b             	mov    (%rbx),%rbx
  3b:	48 85 db             	test   %rbx,%rbx
  3e:	0f                   	.byte 0xf
  3f:	84                   	.byte 0x84