kernel tried to execute NX-protected page - exploit attempt? (uid: 0) BUG: unable to handle page fault for address: ffffc90004e97978 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0011) - permissions violation PGD 12400067 P4D 12400067 PUD 12616067 PMD 1f4da067 PTE 800000004c5c6163 Oops: 0011 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5347 Comm: syz-executor.1 Not tainted 6.1.62-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:0xffffc90004e97978 Code: ff ff 10 00 00 00 00 00 00 00 87 02 01 00 00 00 00 00 78 79 e9 04 00 c9 ff ff 18 00 00 00 00 00 00 00 60 7c e9 04 00 c9 ff ff ef bb 88 ff ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90004e97978 EFLAGS: 00010287 RAX: ffffffff888bf233 RBX: ffffc90004e97a60 RCX: 0000000000040000 RDX: ffffffffa0001dcc RSI: ffffc9000503b048 RDI: ffffc90004e97c80 RBP: ffffc90004e97b70 R08: ffffffff88bc44c7 R09: ffffed1009007001 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc9000503b030 R14: 0000000000000000 R15: ffffc90004e97c60 FS: 00007f07356ee6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90004e97978 CR3: 0000000057e91000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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: 0033:0x7f0734a7cae9 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:00007f07356ee0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f0734b9c120 RCX: 00007f0734a7cae9 RDX: 0000000000000048 RSI: 0000000020001480 RDI: 000000000000000a RBP: 00007f0734ac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f0734b9c120 R15: 00007fff21843548 Modules linked in: CR2: ffffc90004e97978 ---[ end trace 0000000000000000 ]--- RIP: 0010:0xffffc90004e97978 Code: ff ff 10 00 00 00 00 00 00 00 87 02 01 00 00 00 00 00 78 79 e9 04 00 c9 ff ff 18 00 00 00 00 00 00 00 60 7c e9 04 00 c9 ff ff ef bb 88 ff ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90004e97978 EFLAGS: 00010287 RAX: ffffffff888bf233 RBX: ffffc90004e97a60 RCX: 0000000000040000 RDX: ffffffffa0001dcc RSI: ffffc9000503b048 RDI: ffffc90004e97c80 RBP: ffffc90004e97b70 R08: ffffffff88bc44c7 R09: ffffed1009007001 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc9000503b030 R14: 0000000000000000 R15: ffffc90004e97c60 FS: 00007f07356ee6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90004e97978 CR3: 0000000057e91000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400