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[ 8.843990][ T0] invalid opcode: 0000 [#1] SMP [ 8.844869][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.8.0-rc5-00331-g8991ea0d3bba #1 [ 8.845853][ T0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 8.845853][ T0] RIP: __rmqueue_pcplist_split+0x3d5/0x440 [ 8.845853][ T0] Code: 8b 4c 24 28 4c 8b 44 24 20 8b 4c 24 18 44 8b 54 24 14 48 8b 3c 24 e9 5e fe ff ff 48 c7 c6 18 d7 f8 88 4c 89 f7 e8 eb a6 fc ff <0f> 0b 44 89 ca 44 89 ee 4c 89 f7 4c 89 44 24 18 89 4c 24 14 44 89 All code ======== 0: 8b 4c 24 28 mov 0x28(%rsp),%ecx 4: 4c 8b 44 24 20 mov 0x20(%rsp),%r8 9: 8b 4c 24 18 mov 0x18(%rsp),%ecx d: 44 8b 54 24 14 mov 0x14(%rsp),%r10d 12: 48 8b 3c 24 mov (%rsp),%rdi 16: e9 5e fe ff ff jmp 0xfffffffffffffe79 1b: 48 c7 c6 18 d7 f8 88 mov $0xffffffff88f8d718,%rsi 22: 4c 89 f7 mov %r14,%rdi 25: e8 eb a6 fc ff call 0xfffffffffffca715 2a:* 0f 0b ud2 <-- trapping instruction 2c: 44 89 ca mov %r9d,%edx 2f: 44 89 ee mov %r13d,%esi 32: 4c 89 f7 mov %r14,%rdi 35: 4c 89 44 24 18 mov %r8,0x18(%rsp) 3a: 89 4c 24 14 mov %ecx,0x14(%rsp) 3e: 44 rex.R 3f: 89 .byte 0x89 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 44 89 ca mov %r9d,%edx 5: 44 89 ee mov %r13d,%esi 8: 4c 89 f7 mov %r14,%rdi b: 4c 89 44 24 18 mov %r8,0x18(%rsp) 10: 89 4c 24 14 mov %ecx,0x14(%rsp) 14: 44 rex.R 15: 89 .byte 0x89 [ 8.845853][ T0] RSP: 0000:ffffffff89403bc0 EFLAGS: 00010296 [ 8.845853][ T0] RAX: 0000000000000000 RBX: ffffea0004119e08 RCX: ffffffff89403b34 [ 8.845853][ T0] RDX: 0000000000000001 RSI: ffffffff8984d940 RDI: ffffffff89462890 [ 8.845853][ T0] RBP: ffff88842fc32bc0 R08: 0000000000000000 R09: 0000000000000002 [ 8.845853][ T0] R10: 00000000a5fa65bd R11: 00000000f812dbd9 R12: 0000000000000004 [ 8.845853][ T0] R13: ffff88842fc32c38 R14: ffffea0004119e00 R15: 0000000000000001 [ 8.845853][ T0] FS: 0000000000000000(0000) GS:ffff88842fc00000(0000) knlGS:0000000000000000 [ 8.845853][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.845853][ T0] CR2: ffff88843ffff000 CR3: 000000039d68c000 CR4: 00000000000406f0 [ 8.845853][ T0] Call Trace: [ 8.845853][ T0] [ 8.845853][ T0] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) [ 8.845853][ T0] ? do_trap (arch/x86/kernel/traps.c:113 arch/x86/kernel/traps.c:154) [ 8.845853][ T0] ? __rmqueue_pcplist_split+0x3d5/0x440 [ 8.845853][ T0] ? do_error_trap (arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:175) [ 8.845853][ T0] ? __rmqueue_pcplist_split+0x3d5/0x440 [ 8.845853][ T0] ? exc_invalid_op (arch/x86/kernel/traps.c:266) [ 8.845853][ T0] ? __rmqueue_pcplist_split+0x3d5/0x440 [ 8.845853][ T0] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:568) [ 8.845853][ T0] ? __rmqueue_pcplist_split+0x3d5/0x440 [ 8.845853][ T0] rmqueue+0x476/0x1780 [ 8.845853][ T0] ? free_unref_page (arch/x86/include/asm/preempt.h:84 mm/page_alloc.c:2509) [ 8.845853][ T0] ? __lock_release+0x67/0x180 [ 8.845853][ T0] ? validate_chain (kernel/locking/lockdep.c:3762 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 8.845853][ T0] get_page_from_freelist (mm/page_alloc.c:3391) [ 8.845853][ T0] __alloc_pages (mm/page_alloc.c:4654) [ 8.845853][ T0] allocate_slab (include/linux/gfp.h:238 include/linux/gfp.h:261 mm/slub.c:2190 mm/slub.c:2354) [ 8.845853][ T0] slab_alloc_node+0x13e/0x2c0 [ 8.845853][ T0] kmalloc_trace (mm/slub.c:4010) [ 8.845853][ T0] kernfs_create_root (fs/kernfs/dir.c:959) [ 8.845853][ T0] sysfs_init (fs/sysfs/mount.c:101) [ 8.845853][ T0] ? sysfs_init (fs/sysfs/mount.c:101) [ 8.845853][ T0] mnt_init (fs/namespace.c:5186) [ 8.845853][ T0] vfs_caches_init (fs/dcache.c:3184) [ 8.845853][ T0] start_kernel (init/main.c:1057) [ 8.845853][ T0] x86_64_start_reservations (arch/x86/kernel/head64.c:543) [ 8.845853][ T0] x86_64_start_kernel (arch/x86/kernel/head64.c:485 (discriminator 17)) [ 8.845853][ T0] secondary_startup_64_no_verify (arch/x86/kernel/head_64.S:461) [ 8.845853][ T0] [ 8.845853][ T0] Modules linked in: [ 8.845862][ T0] ---[ end trace 0000000000000000 ]--- [ 8.846851][ T0] RIP: __rmqueue_pcplist_split+0x3d5/0x440 [ 8.848228][ T0] Code: 8b 4c 24 28 4c 8b 44 24 20 8b 4c 24 18 44 8b 54 24 14 48 8b 3c 24 e9 5e fe ff ff 48 c7 c6 18 d7 f8 88 4c 89 f7 e8 eb a6 fc ff <0f> 0b 44 89 ca 44 89 ee 4c 89 f7 4c 89 44 24 18 89 4c 24 14 44 89 All code ======== 0: 8b 4c 24 28 mov 0x28(%rsp),%ecx 4: 4c 8b 44 24 20 mov 0x20(%rsp),%r8 9: 8b 4c 24 18 mov 0x18(%rsp),%ecx d: 44 8b 54 24 14 mov 0x14(%rsp),%r10d 12: 48 8b 3c 24 mov (%rsp),%rdi 16: e9 5e fe ff ff jmp 0xfffffffffffffe79 1b: 48 c7 c6 18 d7 f8 88 mov $0xffffffff88f8d718,%rsi 22: 4c 89 f7 mov %r14,%rdi 25: e8 eb a6 fc ff call 0xfffffffffffca715 2a:* 0f 0b ud2 <-- trapping instruction 2c: 44 89 ca mov %r9d,%edx 2f: 44 89 ee mov %r13d,%esi 32: 4c 89 f7 mov %r14,%rdi 35: 4c 89 44 24 18 mov %r8,0x18(%rsp) 3a: 89 4c 24 14 mov %ecx,0x14(%rsp) 3e: 44 rex.R 3f: 89 .byte 0x89 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 44 89 ca mov %r9d,%edx 5: 44 89 ee mov %r13d,%esi 8: 4c 89 f7 mov %r14,%rdi b: 4c 89 44 24 18 mov %r8,0x18(%rsp) 10: 89 4c 24 14 mov %ecx,0x14(%rsp) 14: 44 rex.R 15: 89 .byte 0x89 The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240226/202402262127.e8ae2f80-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki