syzbot

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CPA refuse W^X violation: 8000000000000163 -> 0000000000000163 range: 0xffffffffa0401000 - 0xffffffffa0401fff PFN 7c074
WARNING: CPU: 1 PID: 3609 at arch/x86/mm/pat/set_memory.c:601 verify_rwx arch/x86/mm/pat/set_memory.c:601 [inline]
WARNING: CPU: 1 PID: 3609 at arch/x86/mm/pat/set_memory.c:601 __change_page_attr arch/x86/mm/pat/set_memory.c:1570 [inline]
WARNING: CPU: 1 PID: 3609 at arch/x86/mm/pat/set_memory.c:601 __change_page_attr_set_clr+0x1faa/0x2080 arch/x86/mm/pat/set_memory.c:1692
Modules linked in:
CPU: 1 PID: 3609 Comm: syz-executor283 Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:verify_rwx arch/x86/mm/pat/set_memory.c:601 [inline]
RIP: 0010:__change_page_attr arch/x86/mm/pat/set_memory.c:1570 [inline]
RIP: 0010:__change_page_attr_set_clr+0x1faa/0x2080 arch/x86/mm/pat/set_memory.c:1692
Code: 8b 44 24 50 4d 89 f1 4c 89 e2 4c 89 ee 48 c7 c7 80 0c ea 89 c6 05 68 26 94 0c 01 4c 8d 80 ff 0f 00 00 48 89 c1 e8 56 a4 10 08 <0f> 0b e9 68 fc ff ff e8 6a b3 91 00 e9 be f7 ff ff 48 8b 7c 24 08
RSP: 0018:ffffc90003a7f6c0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 800000007c074163 RCX: 0000000000000000
RDX: ffff88801c2a8000 RSI: ffffffff81620008 RDI: fffff5200074feca
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 7566657220415043 R12: 0000000000000163
R13: 8000000000000163 R14: 000000000007c074 R15: 0000000000000000
FS:  0000555556d6a300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002062b000 CR3: 00000000742d5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 change_page_attr_set_clr+0x333/0x500 arch/x86/mm/pat/set_memory.c:1785
 change_page_attr_clear arch/x86/mm/pat/set_memory.c:1822 [inline]
 set_memory_x+0xb2/0x110 arch/x86/mm/pat/set_memory.c:2000
 bpf_jit_alloc_exec_page+0x69/0x80 kernel/bpf/trampoline.c:131
 bpf_dispatcher_change_prog+0x303/0x8f0 kernel/bpf/dispatcher.c:143
 bpf_prog_test_run_xdp+0x95e/0x1440 net/bpf/test_run.c:1386
 bpf_prog_test_run kernel/bpf/syscall.c:3630 [inline]
 __sys_bpf+0x10a0/0x4cf0 kernel/bpf/syscall.c:4983
 __do_sys_bpf kernel/bpf/syscall.c:5069 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5067 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:5067
 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: 0033:0x7f282a4d6d09
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:00007fffc3d80848 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f282a4d6d09
RDX: 0000000000000048 RSI: 0000000020000b40 RDI: 000000000000000a
RBP: 00007f282a49aeb0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f282a49af40
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>