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X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR11MB5974 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "Bad_pagetable" on: commit: 6436f5c960638cb098424b38f2e9781154112380 ("vdso/datastore: Allocate data pages dynamically") https://git.kernel.org/cgit/linux/kernel/git/thomas.weissschuh/linux.git b4/vdso-sparc64-generic-2 in testcase: boot config: x86_64-kexec compiler: clang-20 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +------------------------------------------+------------+------------+ | | 22d81ce14c | 6436f5c960 | +------------------------------------------+------------+------------+ | boot_successes | 12 | 0 | | boot_failures | 0 | 12 | | Bad_pagetable | 0 | 12 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 12 | +------------------------------------------+------------+------------+ If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202509121258.599356dc-lkp@intel.com INIT: version 2.88 booting [ 5.689575][ T1530] init: Corrupted page table at address 7fdfcc79d000 [ 5.690579][ T1530] PGD 8000000124a1d067 P4D 8000000124a1d067 PUD 124dc0067 PMD 124db9067 PTE 800f88818ca10235 [ 5.696374][ T1530] Oops: Bad pagetable: 000d [#1] SMP PTI [ 5.697220][ T1530] CPU: 0 UID: 0 PID: 1530 Comm: init Not tainted 6.17.0-rc4-00029-g6436f5c96063 #1 PREEMPT(voluntary) [ 5.698735][ T1530] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 5.700209][ T1530] RIP: 0033:0x7fdfcc7a3746 [ 5.700911][ T1530] Code: 41 55 41 54 53 48 83 ec 10 48 85 ff 0f 84 29 01 00 00 48 bb ff ff ff ff ff ff ff 7f 49 be ff ff ff ff ff ff ff 3f 4d 8d 7e 01 <44> 8b 25 b3 98 ff ff 41 f6 c4 01 75 5f 8b 05 ab 98 ff ff 83 f8 01 All code ======== 0: 41 55 push %r13 2: 41 54 push %r12 4: 53 push %rbx 5: 48 83 ec 10 sub $0x10,%rsp 9: 48 85 ff test %rdi,%rdi c: 0f 84 29 01 00 00 je 0x13b 12: 48 bb ff ff ff ff ff movabs $0x7fffffffffffffff,%rbx 19: ff ff 7f 1c: 49 be ff ff ff ff ff movabs $0x3fffffffffffffff,%r14 23: ff ff 3f 26: 4d 8d 7e 01 lea 0x1(%r14),%r15 2a:* 44 8b 25 b3 98 ff ff mov -0x674d(%rip),%r12d # 0xffffffffffff98e4 <-- trapping instruction 31: 41 f6 c4 01 test $0x1,%r12b 35: 75 5f jne 0x96 37: 8b 05 ab 98 ff ff mov -0x6755(%rip),%eax # 0xffffffffffff98e8 3d: 83 f8 01 cmp $0x1,%eax Code starting with the faulting instruction =========================================== 0: 44 8b 25 b3 98 ff ff mov -0x674d(%rip),%r12d # 0xffffffffffff98ba 7: 41 f6 c4 01 test $0x1,%r12b b: 75 5f jne 0x6c d: 8b 05 ab 98 ff ff mov -0x6755(%rip),%eax # 0xffffffffffff98be 13: 83 f8 01 cmp $0x1,%eax [ 5.703533][ T1530] RSP: 002b:00007ffe81dbc808 EFLAGS: 00010206 [ 5.704387][ T1530] RAX: 00007ffe81dbc898 RBX: 7fffffffffffffff RCX: 00007fdfcc67e1b0 [ 5.705546][ T1530] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffe81dbc860 [ 5.706691][ T1530] RBP: 00007ffe81dbc840 R08: 0000000000000001 R09: 00007ffe81dbcbc0 [ 5.708168][ T1530] R10: 0000000000000000 R11: 00007fdfcc758c10 R12: 0000557d503f1339 [ 5.709332][ T1530] R13: 0000557d503f668c R14: 3fffffffffffffff R15: 4000000000000000 [ 5.710539][ T1530] FS: 00007fdfcc79b580 GS: 0000000000000000 [ 5.711508][ T1530] Modules linked in: [ 5.712129][ T1530] ---[ end trace 0000000000000000 ]--- [ 5.712925][ T1530] RIP: 0033:0x7fdfcc7a3746 [ 5.713600][ T1530] RSP: 002b:00007ffe81dbc808 EFLAGS: 00010206 [ 5.714464][ T1530] RAX: 00007ffe81dbc898 RBX: 7fffffffffffffff RCX: 00007fdfcc67e1b0 [ 5.715696][ T1530] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffe81dbc860 [ 5.716941][ T1530] RBP: 00007ffe81dbc840 R08: 0000000000000001 R09: 00007ffe81dbcbc0 [ 5.718145][ T1530] R10: 0000000000000000 R11: 00007fdfcc758c10 R12: 0000557d503f1339 [ 5.719403][ T1530] R13: 0000557d503f668c R14: 3fffffffffffffff R15: 4000000000000000 [ 5.720582][ T1530] FS: 00007fdfcc79b580(0000) GS:ffff8884ac416000(0000) knlGS:0000000000000000 [ 5.721848][ T1530] CS: 0033 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5.722759][ T1530] CR2: 00007fdfcc79d000 CR3: 0000000124cce000 CR4: 00000000000406f0 [ 5.728314][ T1530] Kernel panic - not syncing: Fatal exception [ 5.729402][ T1530] Kernel Offset: disabled The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250912/202509121258.599356dc-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki