syzbot

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: 1099 Comm: syz.3.232 Not tainted 5.15.180-syzkaller-00024-g88c4075c39ed #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:do_misc_fixups kernel/bpf/verifier.c:13331 [inline]
RIP: 0010:bpf_check+0x82c8/0xf330 kernel/bpf/verifier.c:14120
Code: 3b 48 8b 44 24 68 42 80 3c 28 00 48 8b 5c 24 10 74 08 48 89 df e8 78 ce 2d 00 48 8b 33 44 89 ff 41 ff d6 49 89 c7 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 59 ce 2d 00 4d 8b 37 4d 85 f6 48
RSP: 0018:ffffc9000154f5e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88812fdec008 RCX: ffffffff8546e0c0
RDX: 0000000000000002 RSI: 00000000fffffff3 RDI: 0000000000000000
RBP: ffffc9000154fbb0 R08: 0000000000000004 R09: 0000000000000003
R10: fffff520002a9d8c R11: 1ffff920002a9d8c R12: 1ffff92000040612
R13: dffffc0000000000 R14: ffffffff8173b8e0 R15: 0000000000000000
FS:  00007f90ff8686c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f84c6ed3710 CR3: 0000000119bac000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000097 DR2: 00000000fec0006d
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bpf_prog_load+0x1042/0x1550 kernel/bpf/syscall.c:2325
 __sys_bpf+0x4c3/0x730 kernel/bpf/syscall.c:4630
 __do_sys_bpf kernel/bpf/syscall.c:4734 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4732 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4732
 x64_sys_call+0x4b9/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f91011ff969
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:00007f90ff868038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f9101426fa0 RCX: 00007f91011ff969
RDX: 0000000000000094 RSI: 0000200000000440 RDI: 0000000000000005
RBP: 00007f9101281ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9101426fa0 R15: 00007fff1efa7738
 </TASK>
Modules linked in:
Kernel Offset: disabled
Rebooting in 86400 seconds..
----------------
Code disassembly (best guess):
   0:	3b 48 8b             	cmp    -0x75(%rax),%ecx
   3:	44 24 68             	rex.R and $0x68,%al
   6:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
   b:	48 8b 5c 24 10       	mov    0x10(%rsp),%rbx
  10:	74 08                	je     0x1a
  12:	48 89 df             	mov    %rbx,%rdi
  15:	e8 78 ce 2d 00       	call   0x2dce92
  1a:	48 8b 33             	mov    (%rbx),%rsi
  1d:	44 89 ff             	mov    %r15d,%edi
  20:	41 ff d6             	call   *%r14
  23:	49 89 c7             	mov    %rax,%r15
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 ff             	mov    %r15,%rdi
  34:	e8 59 ce 2d 00       	call   0x2dce92
  39:	4d 8b 37             	mov    (%r15),%r14
  3c:	4d 85 f6             	test   %r14,%r14
  3f:	48                   	rex.W