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https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git x86/urgent [test failed on linux-next/master 469f1bad3c1c6e268059f78c0eec7e9552b3894c] in testcase: boot compiler: clang-18 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +--------------------------------------+------------+------------+ | | 2848ff28d1 | dfb3911c36 | +--------------------------------------+------------+------------+ | boot_successes | 21 | 0 | | boot_failures | 0 | 21 | | kernel_BUG_at_arch/x86/mm/physaddr.c | 0 | 21 | | PANIC:early_exception | 0 | 21 | | RIP:__phys_addr | 0 | 21 | +--------------------------------------+------------+------------+ 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/202408201529.498d4d4d-lkp@intel.com [ 0.010309][ T0] ------------[ cut here ]------------ [ 0.011020][ T0] kernel BUG at arch/x86/mm/physaddr.c:28! PANIC: early exception 0x06 IP 10:ffffffffb08e3511 error 0 cr2 0xffff888038627ff8 [ 0.012655][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.11.0-rc3-00003-gdfb3911c3692 #1 [ 0.013805][ T0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 0.015203][ T0] RIP: 0010:__phys_addr (ld-temp.o:?) [ 0.015856][ T0] Code: c3 48 3d 00 00 00 40 73 23 48 03 05 19 8b d4 02 48 89 c3 eb dd 48 c7 c7 d0 02 81 b3 48 89 de 4c 89 f2 e8 c2 26 45 00 eb bb 90 <0f> 0b 90 0f 0b cc cc cc cc cc cc cc cc cc cc 48 8b 05 59 a2 64 03 All code ======== 0: c3 ret 1: 48 3d 00 00 00 40 cmp $0x40000000,%rax 7: 73 23 jae 0x2c 9: 48 03 05 19 8b d4 02 add 0x2d48b19(%rip),%rax # 0x2d48b29 10: 48 89 c3 mov %rax,%rbx 13: eb dd jmp 0xfffffffffffffff2 15: 48 c7 c7 d0 02 81 b3 mov $0xffffffffb38102d0,%rdi 1c: 48 89 de mov %rbx,%rsi 1f: 4c 89 f2 mov %r14,%rdx 22: e8 c2 26 45 00 call 0x4526e9 27: eb bb jmp 0xffffffffffffffe4 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 0f 0b ud2 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: cc int3 39: 48 8b 05 59 a2 64 03 mov 0x364a259(%rip),%rax # 0x364a299 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 0f 0b ud2 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: cc int3 f: 48 8b 05 59 a2 64 03 mov 0x364a259(%rip),%rax # 0x364a26f [ 0.018297][ T0] RSP: 0000:ffffffffb3603e80 EFLAGS: 00010002 ORIG_RAX: 0000000000000000 [ 0.019380][ T0] RAX: 0000000000000001 RBX: 0000010040000000 RCX: 0000000000000028 [ 0.020378][ T0] RDX: 000017562bdbd039 RSI: 0000000000000000 RDI: ffffa0d640000000 [ 0.021374][ T0] RBP: ffffffffb4808710 R08: 0000000000000000 R09: 0000000000000000 [ 0.022382][ T0] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffb3603ea8 [ 0.023182][ T0] R13: 0000175600000000 R14: 0000000000000028 R15: 0000000000000000 [ 0.023800][ T0] FS: 0000000000000000(0000) GS:ffffffffb362f000(0000) knlGS:0000000000000000 [ 0.024489][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.024995][ T0] CR2: ffff888038627ff8 CR3: 00000000397c0000 CR4: 00000000000000b0 [ 0.025613][ T0] Call Trace: [ 0.025863][ T0] [ 0.026089][ T0] ? early_fixup_exception (ld-temp.o:?) [ 0.026502][ T0] ? early_idt_handler_common (arch/x86/kernel/head_64.S:542) [ 0.026951][ T0] ? __phys_addr (ld-temp.o:?) [ 0.027298][ T0] ? kernel_randomize_memory (ld-temp.o:?) [ 0.027735][ T0] ? setup_arch (ld-temp.o:?) [ 0.028082][ T0] ? start_kernel (init/main.c:927) [ 0.028433][ T0] ? x86_64_start_reservations (ld-temp.o:?) [ 0.028866][ T0] ? x86_64_start_kernel (ld-temp.o:?) [ 0.029268][ T0] ? common_startup_64 (arch/x86/kernel/head_64.S:421) [ 0.029658][ T0] The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240820/202408201529.498d4d4d-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki