------------[ cut here ]------------ CPA refuse W^X violation: 8000000000000163 -> 0000000000000163 range: 0xffffffffa0401000 - 0xffffffffa0401fff PFN 7d8d5 WARNING: CPU: 0 PID: 3607 at arch/x86/mm/pat/set_memory.c:600 verify_rwx arch/x86/mm/pat/set_memory.c:600 [inline] WARNING: CPU: 0 PID: 3607 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: 3607 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: 3607 Comm: syz-executor178 Not tainted 6.0.0-rc6-next-20220921-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2022 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: 0018:ffffc90003c9ebf8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 800000007d8d5163 RCX: 0000000000000000 RDX: ffff8880217c57c0 RSI: ffffffff81620348 RDI: fffff52000793d71 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 7566657220415043 R12: 0000000000000163 R13: 8000000000000163 R14: 000000000007d8d5 R15: 0000000000000000 FS: 0000555556be0300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000045b630 CR3: 0000000073ec9000 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_change_xdp_fd+0x246/0x300 net/core/dev.c:9520 do_setlink+0x31e3/0x3bb0 net/core/rtnetlink.c:3002 rtnl_group_changelink net/core/rtnetlink.c:3303 [inline] __rtnl_newlink+0xb96/0x17e0 net/core/rtnetlink.c:3557 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3594 rtnetlink_rcv_msg+0x43a/0xca0 net/core/rtnetlink.c:6091 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf3/0x1c0 net/socket.c:2565 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: 0033:0x7fe786b1ce59 Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffecfcfcf28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe786b1ce59 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 00007fe786ae1000 R08: 0000000000000008 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007fe786ae1090 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000