BUG: unable to handle page fault for address: ffffc90014cca330 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 11800067 P4D 11800067 PUD 119c9067 PMD 59e7b067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 29311 Comm: syz-executor.1 Not tainted 6.0.0-rc1-syzkaller-00025-g274a2eebf80c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline] RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline] RIP: 0010:kvm_arch_hardware_enable+0x2ab/0x840 arch/x86/kvm/x86.c:11847 Code: 48 89 e8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 14 08 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ed 04 00 00 <41> 8b 95 30 13 00 00 4d 8d b5 40 12 00 00 b9 08 00 00 00 4c 89 fe RSP: 0018:ffffc90000007ea0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81120fe0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90014cca330 RBP: ffffc90014cca330 R08: 0000000000000000 R09: 0000000000000003 R10: fffff52002999466 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc90014cc9000 R14: 0023001000000000 R15: ffffc90000007ef8 FS: 0000555557234400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90014cca330 CR3: 000000005cb1b000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hardware_enable_nolock+0xa7/0x140 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5007 __flush_smp_call_function_queue+0x205/0x9a0 kernel/smp.c:631 __sysvec_call_function_single+0x95/0x3d0 arch/x86/kernel/smp.c:248 sysvec_call_function_single+0x8e/0xc0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:657 RIP: 0010:lock_acquire+0x1ef/0x570 kernel/locking/lockdep.c:5634 Code: f8 a2 7e 83 f8 01 0f 85 e8 02 00 00 9c 58 f6 c4 02 0f 85 fb 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffffc90014aafb40 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff92002955f6a RCX: cddf6a1a72193c9d RDX: 1ffff1100e9738ae RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff908dc947 R10: fffffbfff211b928 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff8bf892c0 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:280 [inline] rcu_read_lock include/linux/rcupdate.h:706 [inline] percpu_ref_tryget_many include/linux/percpu-refcount.h:241 [inline] percpu_ref_tryget include/linux/percpu-refcount.h:266 [inline] css_tryget include/linux/cgroup.h:354 [inline] get_mem_cgroup_from_objcg include/linux/memcontrol.h:540 [inline] memcg_slab_pre_alloc_hook mm/slab.h:488 [inline] slab_pre_alloc_hook mm/slab.h:705 [inline] slab_alloc_node mm/slub.c:3157 [inline] slab_alloc mm/slub.c:3251 [inline] __kmem_cache_alloc_lru mm/slub.c:3258 [inline] kmem_cache_alloc_lru+0x563/0x720 mm/slub.c:3275 alloc_inode_sb include/linux/fs.h:3103 [inline] shmem_alloc_inode+0x23/0x50 mm/shmem.c:3807 alloc_inode+0x61/0x230 fs/inode.c:260 new_inode_pseudo fs/inode.c:1019 [inline] new_inode+0x27/0x270 fs/inode.c:1047 shmem_get_inode+0x19b/0xe00 mm/shmem.c:2306 shmem_symlink+0xe2/0x560 mm/shmem.c:3083 vfs_symlink fs/namei.c:4378 [inline] vfs_symlink+0x365/0x5b0 fs/namei.c:4363 do_symlinkat+0x261/0x2e0 fs/namei.c:4407 __do_sys_symlinkat fs/namei.c:4424 [inline] __se_sys_symlinkat fs/namei.c:4421 [inline] __x64_sys_symlinkat+0x93/0xc0 fs/namei.c:4421 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: 0033:0x7f3c53488b87 Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3c53acfd78 EFLAGS: 00000202 ORIG_RAX: 000000000000010a RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3c53488b87 RDX: 00007f3c534e322a RSI: 00000000ffffff9c RDI: 00007f3c534e1ec3 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f3c53acf7f0 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007f3c53acfe40 Modules linked in: CR2: ffffc90014cca330 ---[ end trace 0000000000000000 ]--- RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline] RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline] RIP: 0010:kvm_arch_hardware_enable+0x2ab/0x840 arch/x86/kvm/x86.c:11847 Code: 48 89 e8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 14 08 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ed 04 00 00 <41> 8b 95 30 13 00 00 4d 8d b5 40 12 00 00 b9 08 00 00 00 4c 89 fe RSP: 0018:ffffc90000007ea0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81120fe0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90014cca330 RBP: ffffc90014cca330 R08: 0000000000000000 R09: 0000000000000003 R10: fffff52002999466 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc90014cc9000 R14: 0023001000000000 R15: ffffc90000007ef8 FS: 0000555557234400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90014cca330 CR3: 000000005cb1b000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 89 e8 mov %rbp,%rax 3: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx a: fc ff df d: 48 c1 e8 03 shr $0x3,%rax 11: 0f b6 14 08 movzbl (%rax,%rcx,1),%edx 15: 48 89 e8 mov %rbp,%rax 18: 83 e0 07 and $0x7,%eax 1b: 83 c0 03 add $0x3,%eax 1e: 38 d0 cmp %dl,%al 20: 7c 08 jl 0x2a 22: 84 d2 test %dl,%dl 24: 0f 85 ed 04 00 00 jne 0x517 * 2a: 41 8b 95 30 13 00 00 mov 0x1330(%r13),%edx <-- trapping instruction 31: 4d 8d b5 40 12 00 00 lea 0x1240(%r13),%r14 38: b9 08 00 00 00 mov $0x8,%ecx 3d: 4c 89 fe mov %r15,%rsi