general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027]
CPU: 0 PID: 10626 Comm: syz-executor.3 Not tainted 6.2.0-rc7-next-20230208-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
RIP: 0010:bpf_prog_load+0x1bb1/0x21d0 kernel/bpf/syscall.c:2646
Code: 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 8f 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c 24 38 48 8d 7b 24 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 45
RSP: 0018:ffffc90004eefb20 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000b212000
RDX: 0000000000000004 RSI: ffffffff81936807 RDI: 0000000000000024
RBP: ffffc90004eefcd8 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffea R11: 0000000000000000 R12: ffffc90004a63000
R13: ffffc90004a63000 R14: ffffffff8a52ae00 R15: ffff88802a05a000
FS: 00007fb6195fe700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb6195fe718 CR3: 00000000298cc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__sys_bpf+0x1435/0x5100 kernel/bpf/syscall.c:4966
__do_sys_bpf kernel/bpf/syscall.c:5070 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5068 [inline]
__x64_sys_bpf+0x79/0xc0 kernel/bpf/syscall.c:5068
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb61aa8c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb6195fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fb61abac120 RCX: 00007fb61aa8c0f9
RDX: 0000000000000080 RSI: 0000000020000380 RDI: 0000000000000005
RBP: 00007fb61aae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd1bc763f R14: 00007fb6195fe300 R15: 0000000000022000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bpf_prog_load+0x1bb1/0x21d0 kernel/bpf/syscall.c:2646
Code: 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 8f 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c 24 38 48 8d 7b 24 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 45
RSP: 0018:ffffc90004eefb20 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000b212000
RDX: 0000000000000004 RSI: ffffffff81936807 RDI: 0000000000000024
RBP: ffffc90004eefcd8 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffea R11: 0000000000000000 R12: ffffc90004a63000
R13: ffffc90004a63000 R14: ffffffff8a52ae00 R15: ffff88802a05a000
FS: 00007fb6195fe700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0ef7c34000 CR3: 00000000298cc000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 89 fa mov %edi,%edx
2: 48 c1 ea 03 shr $0x3,%rdx
6: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
a: 0f 85 8f 05 00 00 jne 0x59f
10: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
17: fc ff df
1a: 49 8b 5c 24 38 mov 0x38(%r12),%rbx
1f: 48 8d 7b 24 lea 0x24(%rbx),%rdi
23: 48 89 fa mov %rdi,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx <-- trapping instruction
2e: 48 89 f8 mov %rdi,%rax
31: 83 e0 07 and $0x7,%eax
34: 83 c0 03 add $0x3,%eax
37: 38 d0 cmp %dl,%al
39: 7c 08 jl 0x43
3b: 84 d2 test %dl,%dl
3d: 0f .byte 0xf
3e: 85 .byte 0x85
3f: 45 rex.RB