BUG: unable to handle page fault for address: ffffffff9e618922 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD ce91067 P4D ce91067 PUD ce92063 PMD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 6583 Comm: syz-executor.5 Not tainted 6.1.57-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:bpf_dispatcher_xdp+0x8b0/0x1000 Code: 5b 00 a0 0f 84 41 16 00 00 ff e2 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 81 fa 08 5c 00 a0 0f 84 db 16 00 00 ff e2 90 <48> 81 fa 54 5c 00 a0 7f 17 48 81 fa 54 5c 00 a0 0f 84 0e 17 00 00 RSP: 0018:ffffc9000375f978 EFLAGS: 00010216 RAX: ffffffff888d0513 RBX: ffffc9000375fa60 RCX: 0000000000040000 RDX: ffffffffa0005c54 RSI: ffffc90003515048 RDI: ffffc9000375fc80 RBP: ffffc9000375fb70 R08: ffffffff88bd5577 R09: ffffed100c6e0771 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90003515030 R14: 0000000000000000 R15: ffffc9000375fc60 FS: 00007f7bbfd606c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff9e618922 CR3: 000000006037d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: bpf_prog_test_run_xdp+0x7a7/0x1130 net/bpf/test_run.c:1389 bpf_prog_test_run+0x32f/0x3a0 kernel/bpf/syscall.c:3633 __sys_bpf+0x3eb/0x6c0 kernel/bpf/syscall.c:4986 __do_sys_bpf kernel/bpf/syscall.c:5072 [inline] __se_sys_bpf kernel/bpf/syscall.c:5070 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5070 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7bbf07cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7bbfd600c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f7bbf19bf80 RCX: 00007f7bbf07cae9 RDX: 0000000000000048 RSI: 0000000020001480 RDI: 000000000000000a RBP: 00007f7bbf0c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f7bbf19bf80 R15: 00007ffd86ff55f8 Modules linked in: CR2: ffffffff9e618922 ---[ end trace 0000000000000000 ]--- RIP: 0010:bpf_dispatcher_xdp+0x8b0/0x1000 Code: 5b 00 a0 0f 84 41 16 00 00 ff e2 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 81 fa 08 5c 00 a0 0f 84 db 16 00 00 ff e2 90 <48> 81 fa 54 5c 00 a0 7f 17 48 81 fa 54 5c 00 a0 0f 84 0e 17 00 00 RSP: 0018:ffffc9000375f978 EFLAGS: 00010216 RAX: ffffffff888d0513 RBX: ffffc9000375fa60 RCX: 0000000000040000 RDX: ffffffffa0005c54 RSI: ffffc90003515048 RDI: ffffc9000375fc80 RBP: ffffc9000375fb70 R08: ffffffff88bd5577 R09: ffffed100c6e0771 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90003515030 R14: 0000000000000000 R15: ffffc9000375fc60 FS: 00007f7bbfd606c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff9e618922 CR3: 000000006037d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess): 0: 5b pop %rbx 1: 00 a0 0f 84 41 16 add %ah,0x1641840f(%rax) 7: 00 00 add %al,(%rax) 9: ff e2 jmp *%rdx b: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 12: 00 13: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1a: 48 81 fa 08 5c 00 a0 cmp $0xffffffffa0005c08,%rdx 21: 0f 84 db 16 00 00 je 0x1702 27: ff e2 jmp *%rdx 29: 90 nop * 2a: 48 81 fa 54 5c 00 a0 cmp $0xffffffffa0005c54,%rdx <-- trapping instruction 31: 7f 17 jg 0x4a 33: 48 81 fa 54 5c 00 a0 cmp $0xffffffffa0005c54,%rdx 3a: 0f 84 0e 17 00 00 je 0x174e