------------[ cut here ]------------ kernel BUG at arch/x86/kvm/x86.c:357! binder: BINDER_SET_CONTEXT_MGR already set binder: 18655:18663 ioctl 40046207 0 returned -16 binder: 18655:18663 got transaction with invalid data ptr invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 18659 Comm: syz-executor4 Not tainted 4.20.0+ #175 binder: 18655:18663 transaction failed 29201/-14, size 2048-0 line 3053 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: 45 10 50 e8 29 4f 7f 00 58 5a 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 27 ef 75 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 89 fd 41 54 kobject: 'loop3' (00000000eee1a268): kobject_uevent_env RSP: 0018:ffff888096e2ed30 EFLAGS: 00010212 kobject: 'loop3' (00000000eee1a268): fill_kobj_path: path = '/devices/virtual/block/loop3' RAX: 0000000000040000 RBX: ffff888096e2ee70 RCX: ffffc9000e02a000 RDX: 000000000000cac5 RSI: ffffffff810bfd19 RDI: 0000000000000005 RBP: ffff888096e2ed30 R08: ffff888092e58080 R09: ffffed1015239e60 R10: ffffed1015239e69 R11: ffff8880a91cf34f R12: 1ffff11012dc5dae R13: ffff88804f0c8000 R14: ffff888096e2edd0 R15: 0000000000000175 FS: 00007f7bac32e700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000070a158 CR3: 00000000a440d000 CR4: 00000000001426f0 Call Trace: __vmcs_writel arch/x86/kvm/vmx/ops.h:117 [inline] vmcs_writel arch/x86/kvm/vmx/ops.h:160 [inline] vmx_set_msr+0x7ab/0x2380 arch/x86/kvm/vmx/vmx.c:1827 kvm_set_msr+0x18a/0x370 arch/x86/kvm/x86.c:1334 do_set_msr+0x10d/0x1a0 arch/x86/kvm/x86.c:1363 __msr_io arch/x86/kvm/x86.c:2917 [inline] msr_io+0x222/0x380 arch/x86/kvm/x86.c:2953 kvm_arch_vcpu_ioctl+0x1042/0x3c60 arch/x86/kvm/x86.c:3970 kobject: 'loop3' (00000000eee1a268): kobject_uevent_env kobject: 'loop3' (00000000eee1a268): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000ab0d2f70): kobject_uevent_env kobject: 'loop5' (00000000ab0d2f70): fill_kobj_path: path = '/devices/virtual/block/loop5' kvm_vcpu_ioctl+0x278/0x1150 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2826 kobject: 'loop5' (00000000ab0d2f70): kobject_uevent_env kobject: 'loop5' (00000000ab0d2f70): fill_kobj_path: path = '/devices/virtual/block/loop5' vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0x1de/0x1790 fs/ioctl.c:696 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 binder: undelivered TRANSACTION_ERROR: 29201 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457d37 Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 cd b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7bac32c028 EFLAGS: 00000206 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000457d37 RDX: 00007f7bac32c030 RSI: 000000004008ae89 RDI: 0000000000000005 RBP: 00000000000001ff R08: 0000000000000090 R09: 0000000000000005 R10: 00000000000000b3 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000020000000 R14: 00000000004dafa8 R15: 00000000ffffffff Modules linked in: ------------[ cut here ]------------ kernel BUG at arch/x86/kvm/x86.c:357! invalid opcode: 0000 [#2] PREEMPT SMP KASAN CPU: 0 PID: 2947 Comm: kworker/0:2 Tainted: G D 4.20.0+ #175 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events cache_reap RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: 45 10 50 e8 29 4f 7f 00 58 5a 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 27 ef 75 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 89 fd 41 54 RSP: 0018:ffff8880ae607b98 EFLAGS: 00010006 RAX: ffff88809e4ee4c0 RBX: ffff88804f0cb810 RCX: 1ffff11015cc0f7b RDX: 0000000000010000 RSI: ffffffff810bfd19 RDI: 0000000000000007 RBP: ffff8880ae607b98 R08: ffff88809e4ee4c0 R09: ffffed1015cc5ba8 R10: ffffed1015cc5ba8 R11: ffff8880ae62dd47 R12: 1ffff11015cc0f77 R13: ffff8880ae607c58 R14: ffff8880ae607bd8 R15: ffff8880ae607d18 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880ae607bd8 CR3: 0000000089714000 CR4: 00000000001426f0 Call Trace: vmcs_clear arch/x86/kvm/vmx/ops.h:185 [inline] loaded_vmcs_init+0xd2/0x340 arch/x86/kvm/vmx/vmx.c:565 __loaded_vmcs_clear+0x2be/0x510 arch/x86/kvm/vmx/vmx.c:632 flush_smp_call_function_queue+0x1d2/0x640 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:192 smp_call_function_single_interrupt+0x12f/0x650 arch/x86/kernel/smp.c:296 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:reap_alien mm/slab.c:744 [inline] RIP: 0010:cache_reap+0xbd/0x280 mm/slab.c:4048 Code: 3a 89 4b 8b 9c f4 08 01 00 00 e8 8e 26 cb 01 65 48 8b 15 96 fe 3c 7e 48 8b 83 90 00 00 00 48 85 c0 74 18 48 63 ca 4c 8b 3c c8 <4d> 85 ff 74 0c 41 8b 4f 38 85 c9 0f 85 24 01 00 00 4d 8b 3c 24 e8 RSP: 0018:ffff88809e5176e8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff04 RAX: ffff88809ee2bd80 RBX: ffff8880a3ad7b00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8390b5d8 RDI: 0000000000000006 RBP: ffff88809e517738 R08: ffff88809e4ee4c0 R09: 0000000000000000 R10: fffffbfff13046b0 R11: ffff88809e4ee4c0 R12: ffff8880948ad6c0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 993abe3d8e762645 ]--- RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: 45 10 50 e8 29 4f 7f 00 58 5a 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 27 ef 75 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 89 fd 41 54 RSP: 0018:ffff888096e2ed30 EFLAGS: 00010212 RAX: 0000000000040000 RBX: ffff888096e2ee70 RCX: ffffc9000e02a000 RDX: 000000000000cac5 RSI: ffffffff810bfd19 RDI: 0000000000000005 RBP: ffff888096e2ed30 R08: ffff888092e58080 R09: ffffed1015239e60 R10: ffffed1015239e69 R11: ffff8880a91cf34f R12: 1ffff11012dc5dae R13: ffff88804f0c8000 R14: ffff888096e2edd0 R15: 0000000000000175 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880ae607bd8 CR3: 0000000089714000 CR4: 00000000001426f0