BUG: unable to handle page fault for address: ffffffff88835d73 #PF: supervisor write access in kernel mode #PF: error_code(0x0003) - permissions violation PGD cc8f067 P4D cc8f067 PUD cc90063 PMD 88001e1 Oops: 0003 [#1] PREEMPT SMP KASAN CPU: 1 PID: 27178 Comm: syz-executor.0 Not tainted 6.1.22-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:bpf_dispatcher_xdp+0x9/0x1000 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 81 fa 50 49 00 a0 0f 84 <83> 10 00 00 ff e2 a0 7f 1e 48 81 fa 50 49 00 a0 0f 84 71 10 00 00 RSP: 0018:ffffc9000507f978 EFLAGS: 00010283 RAX: ffffffff88835d73 RBX: ffffc9000507fa60 RCX: 0000000000040000 RDX: ffffffffa0004950 RSI: ffffc900050e7048 RDI: ffffc9000507fc80 RBP: ffffc9000507fb70 R08: ffffffff88b92d07 R09: ffffed100b838af9 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc900050e7030 R14: 0000000000000000 R15: ffffc9000507fc60 FS: 00007f958f045700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff88835d73 CR3: 0000000048b73000 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:3628 __sys_bpf+0x3eb/0x6c0 kernel/bpf/syscall.c:4981 __do_sys_bpf kernel/bpf/syscall.c:5067 [inline] __se_sys_bpf kernel/bpf/syscall.c:5065 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5065 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: 0033:0x7f958e28c0f9 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:00007f958f045168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f958e3abf80 RCX: 00007f958e28c0f9 RDX: 0000000000000048 RSI: 0000000020000200 RDI: 000000000000000a RBP: 00007f958e2e7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc2618761f R14: 00007f958f045300 R15: 0000000000022000 Modules linked in: CR2: ffffffff88835d73 ---[ end trace 0000000000000000 ]--- RIP: 0010:bpf_dispatcher_xdp+0x9/0x1000 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 81 fa 50 49 00 a0 0f 84 <83> 10 00 00 ff e2 a0 7f 1e 48 81 fa 50 49 00 a0 0f 84 71 10 00 00 RSP: 0018:ffffc9000507f978 EFLAGS: 00010283 RAX: ffffffff88835d73 RBX: ffffc9000507fa60 RCX: 0000000000040000 RDX: ffffffffa0004950 RSI: ffffc900050e7048 RDI: ffffc9000507fc80 RBP: ffffc9000507fb70 R08: ffffffff88b92d07 R09: ffffed100b838af9 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc900050e7030 R14: 0000000000000000 R15: ffffc9000507fc60 FS: 00007f958f045700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff88835d73 CR3: 0000000048b73000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400