------------[ cut here ]------------ CPA refuse W^X violation: 8000000000000163 -> 0000000000000163 range: 0xffffffffa0401000 - 0xffffffffa0401fff PFN 1e09d WARNING: CPU: 0 PID: 5540 at arch/x86/mm/pat/set_memory.c:600 verify_rwx arch/x86/mm/pat/set_memory.c:600 [inline] WARNING: CPU: 0 PID: 5540 at arch/x86/mm/pat/set_memory.c:600 __change_page_attr arch/x86/mm/pat/set_memory.c:1569 [inline] WARNING: CPU: 0 PID: 5540 at arch/x86/mm/pat/set_memory.c:600 __change_page_attr_set_clr+0x1f40/0x2020 arch/x86/mm/pat/set_memory.c:1691 Modules linked in: CPU: 0 PID: 5540 Comm: syz-executor.5 Not tainted 6.0.0-rc6-next-20220921-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:verify_rwx arch/x86/mm/pat/set_memory.c:600 [inline] RIP: 0010:__change_page_attr arch/x86/mm/pat/set_memory.c:1569 [inline] RIP: 0010:__change_page_attr_set_clr+0x1f40/0x2020 arch/x86/mm/pat/set_memory.c:1691 Code: 8b 44 24 50 4d 89 f1 4c 89 e2 4c 89 ee 48 c7 c7 80 0c ea 89 c6 05 1f 3b 94 0c 01 4c 8d 80 ff 0f 00 00 48 89 c1 e8 fd 62 10 08 <0f> 0b e9 8a fc ff ff e8 f4 a1 91 00 e9 14 f8 ff ff 48 8b 7c 24 08 RSP: 0000:ffffc90015527630 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 800000001e09d163 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff81620348 RDI: fffff52002aa4eb8 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 7566657220415043 R12: 0000000000000163 R13: 8000000000000163 R14: 000000000001e09d R15: 0000000000000000 FS: 00007fc2dc32c700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2dc2e000 CR3: 000000001d41b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: change_page_attr_set_clr+0x333/0x500 arch/x86/mm/pat/set_memory.c:1784 change_page_attr_clear arch/x86/mm/pat/set_memory.c:1821 [inline] set_memory_x+0xb2/0x110 arch/x86/mm/pat/set_memory.c:1999 bpf_jit_alloc_exec_page+0x69/0x80 kernel/bpf/trampoline.c:131 bpf_dispatcher_change_prog+0x303/0x8f0 kernel/bpf/dispatcher.c:143 dev_xdp_install+0x198/0x2b0 net/core/dev.c:9134 dev_xdp_attach+0xa30/0x12a0 net/core/dev.c:9274 dev_xdp_attach_link net/core/dev.c:9293 [inline] bpf_xdp_link_attach+0x26d/0x430 net/core/dev.c:9462 link_create kernel/bpf/syscall.c:4591 [inline] __sys_bpf+0x3f77/0x4cf0 kernel/bpf/syscall.c:5024 __do_sys_bpf kernel/bpf/syscall.c:5058 [inline] __se_sys_bpf kernel/bpf/syscall.c:5056 [inline] __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:5056 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc2db28a649 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc2dc32c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fc2db39bf80 RCX: 00007fc2db28a649 RDX: 0000000000000010 RSI: 0000000020001300 RDI: 000000000000001c RBP: 00007fc2db2e5560 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd0d946d0f R14: 00007fc2dc32c300 R15: 0000000000022000