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[83.38.164.33]) by smtp.gmail.com with ESMTPSA id w9sm18848617wmi.0.2019.04.13.13.53.53 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Sat, 13 Apr 2019 13:53:53 -0700 (PDT) From: Xose Vazquez Perez To: LKML , x86 team Subject: bug disabling NX (noexec=off) Message-ID: Date: Sat, 13 Apr 2019 22:53:52 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Intel Core i3-2120 + kernel-5.0.7 x86_64 from Fedora: [ 0.000000] microcode: microcode updated early to revision 0x2e, date = 2018-04-10 [ 0.000000] Linux version 5.0.7-300.fc30.x86_64 (mockbuild@bkernel04.phx2.fedoraproject.org) (gcc version 9.0.1 20190312 (Red Hat 9.0.1-0.10) (GCC)) #1 SMP Mon Apr 8 18:28:09 UTC 2019 [ 0.000000] Command line: BOOT_IMAGE=(hd0,msdos1)/boot/vmlinuz-5.0.7-300.fc30.x86_64 root=UUID=ea93877a-9487-4416-9f32-9d1fba2a639a ro quiet audit=0 usb-storage.delay_use=0 net.ifnames=0 plymouth.enable=0 pti=off spectre_v2=off spectre_v2_user=off spec_store_bypass_disable=off l1tf=off noexec=off [...] [ 0.000000] NX (Execute Disable) protection: disabled by kernel command line option [ 0.000000] ------------[ cut here ]------------ [ 0.000000] attempted to set unsupported pgprot: 8000000000000163 bits: 8000000000000000 supported: 7fffffffffffffff [ 0.000000] WARNING: CPU: 0 PID: 0 at arch/x86/include/asm/pgtable.h:537 __early_set_fixmap+0xa2/0xff [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 5.0.7-300.fc30.x86_64 #1 [ 0.000000] RIP: 0010:__early_set_fixmap+0xa2/0xff [ 0.000000] Code: ed be ff 49 21 cc 4c 39 e2 74 21 80 3d b8 a2 bb ff 00 75 18 4c 31 e2 48 c7 c7 68 b6 09 ac c6 05 a5 a2 bb ff 01 e8 ae ba 95 fe <0f> 0b 4c 89 e7 4c 09 ef ff 14 25 98 e2 22 ac 48 89 c6 48 89 df ff [ 0.000000] RSP: 0000:ffffffffac203de8 EFLAGS: 00010082 ORIG_RAX: 0000000000000000 [ 0.000000] RAX: 0000000000000000 RBX: ffffffffac972000 RCX: 0000000000000078 [ 0.000000] RDX: 0000000000000001 RSI: 0000000000000092 RDI: 0000000000000047 [ 0.000000] RBP: ffffffffff200000 R08: 0000000000000001 R09: 0000000000000024 [ 0.000000] R10: 0000000000000c1c R11: 0000000000000003 R12: 0000000000000163 [ 0.000000] R13: 00000000000f0000 R14: 0000000000010000 R15: 0000000000000000 [ 0.000000] FS: 0000000000000000(0000) GS:ffffffffac73a000(0000) knlGS:0000000000000000 [ 0.000000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.000000] CR2: ffff888046212ff8 CR3: 00000000467de000 CR4: 00000000000406a0 [ 0.000000] Call Trace: [ 0.000000] ? __early_ioremap+0x10b/0x189 [ 0.000000] ? dmi_scan_machine+0xfe/0x209 [ 0.000000] ? setup_arch+0x436/0xc9f [ 0.000000] ? start_kernel+0x65/0x519 [ 0.000000] ? secondary_startup_64+0xa4/0xb0 [ 0.000000] random: get_random_bytes called from print_oops_end_marker+0x26/0x40 with crng_init=0 [ 0.000000] ---[ end trace 0000000000000000 ]--- [ 0.000000] SMBIOS 2.6 present. [...] The same happens in a T61 with an Intel Core 2 Duo T7300. Thanks.