Hello, When using Healer to fuzz the Latest Linux-6.5-rc6, the following crash was triggered. HEAD commit: 2ccdd1b13c591d306f0401d98dedc4bdcd02b421 (tag: v6.5-rc6） git tree: upstream console output: https://drive.google.com/file/d/1Ccnfmov-_93xUAySMZSzVcoh48Aca3l7/view?usp=drive_link kernel config:https://drive.google.com/file/d/17hBWtOF3u_m7QNnAglE4GRL-sjI0YfQH/view?usp=drive_link C reproducer:https://drive.google.com/file/d/1Qji71sIPoWM1_tjYFN59y-TNHXNtSY8K/view?usp=drive_link Syzlang reproducer: https://drive.google.com/file/d/1_jSavSvc5zHbe8lW8Oo6OXK4Aj5ijcec/view?usp=drive_link If you fix this issue, please add the following tag to the commit: Reported-by: Yikebaer Aizezi <yikebaer61@xxxxxxxxx> --------------------------------------------------------------cut here---------------------------------------------------------------------------------- WARNING: CPU: 0 PID: 20692 at arch/x86/kvm/x86.c:12023 kvm_vcpu_reset+0x1d6/0x1410 arch/x86/kvm/x86.c:12023 Modules linked in: CPU: 0 PID: 20692 Comm: syz-executor Not tainted 6.5.0-rc6 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:kvm_vcpu_reset+0x1d6/0x1410 arch/x86/kvm/x86.c:12023 Code: 8e 7a 11 00 00 8b 9d 98 02 00 00 31 ff 41 89 df 41 83 e7 01 44 89 fe e8 f8 6e 6f 00 45 84 ff 0f 84 a8 09 00 00 e8 ea 72 6f 00 <0f> 0b e8 e3 72 6f 00 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 RSP: 0018:ffffc9000342fa10 EFLAGS: 00010216 RAX: 00000000000037c6 RBX: 0000000000000002 RCX: ffffc90002b59000 RDX: 0000000000040000 RSI: ffffffff8110f806 RDI: 0000000000000005 RBP: ffff8881130dc3b0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: ffff8881130dc648 R13: 0000000000000001 R14: ffff8881130dc5f8 R15: 0000000000000000 FS: 00007f6d890e4640(0000) GS:ffff888063c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000112b8d000 CR4: 0000000000750ef0 PKRU: 55555554 Call Trace: <TASK> shutdown_interception+0x66/0xb0 arch/x86/kvm/svm/svm.c:2148 svm_invoke_exit_handler+0x79/0x3e0 arch/x86/kvm/svm/svm.c:3390 svm_handle_exit+0x3a8/0x7c0 arch/x86/kvm/svm/svm.c:3450 vcpu_enter_guest arch/x86/kvm/x86.c:10868 [inline] vcpu_run+0x2b98/0x4df0 arch/x86/kvm/x86.c:10971 kvm_arch_vcpu_ioctl_run+0x4db/0x1a80 arch/x86/kvm/x86.c:11192 kvm_vcpu_ioctl+0x56c/0xf40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4124 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x199/0x210 fs/ioctl.c:856 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: 0033:0x7f6d87e9442d Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b4 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6d890e4048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6d87fcc0a0 RCX: 00007f6d87e9442d RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000007 RBP: 00007f6d87f014b8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6d87f00b51 R13: 000000000000000b R14: 00007f6d87fcc0a0 R15: 00007f6d890c4000 </TASK> Modules linked in: CPU: 0 PID: 20692 Comm: syz-executor Not tainted 6.5.0-rc6 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:kvm_vcpu_reset+0x1d6/0x1410 arch/x86/kvm/x86.c:12023 Code: 8e 7a 11 00 00 8b 9d 98 02 00 00 31 ff 41 89 df 41 83 e7 01 44 89 fe e8 f8 6e 6f 00 45 84 ff 0f 84 a8 09 00 00 e8 ea 72 6f 00 <0f> 0b e8 e3 72 6f 00 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 RSP: 0018:ffffc9000342fa10 EFLAGS: 00010216 RAX: 00000000000037c6 RBX: 0000000000000002 RCX: ffffc90002b59000 RDX: 0000000000040000 RSI: ffffffff8110f806 RDI: 0000000000000005 RBP: ffff8881130dc3b0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: ffff8881130dc648 R13: 0000000000000001 R14: ffff8881130dc5f8 R15: 0000000000000000 FS: 00007f6d890e4640(0000) GS:ffff888063c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000112b8d000 CR4: 0000000000750ef0 PKRU: 55555554 Call Trace: <TASK> shutdown_interception+0x66/0xb0 arch/x86/kvm/svm/svm.c:2148 svm_invoke_exit_handler+0x79/0x3e0 arch/x86/kvm/svm/svm.c:3390 svm_handle_exit+0x3a8/0x7c0 arch/x86/kvm/svm/svm.c:3450 vcpu_enter_guest arch/x86/kvm/x86.c:10868 [inline] vcpu_run+0x2b98/0x4df0 arch/x86/kvm/x86.c:10971 kvm_arch_vcpu_ioctl_run+0x4db/0x1a80 arch/x86/kvm/x86.c:11192 kvm_vcpu_ioctl+0x56c/0xf40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4124 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x199/0x210 fs/ioctl.c:856 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: 0033:0x7f6d87e9442d Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b4 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6d890e4048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6d87fcc0a0 RCX: 00007f6d87e9442d RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000007 RBP: 00007f6d87f014b8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6d87f00b51 R13: 000000000000000b R14: 00007f6d87fcc0a0 R15: 00007f6d890c4000 </TASK> Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 PID: 20692 Comm: syz-executor Not tainted 6.5.0-rc6 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd5/0x150 lib/dump_stack.c:106 panic+0x67e/0x730 kernel/panic.c:340 check_panic_on_warn+0xad/0xb0 kernel/panic.c:236 __warn+0xee/0x390 kernel/panic.c:673 __report_bug lib/bug.c:199 [inline] report_bug+0x2d9/0x500 lib/bug.c:219 handle_bug+0x3c/0x70 arch/x86/kernel/traps.c:326 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:347 asm_exc_invalid_op+0x16/0x20 arch/x86/include/asm/idtentry.h:568 RIP: 0010:kvm_vcpu_reset+0x1d6/0x1410 arch/x86/kvm/x86.c:12023 Code: 8e 7a 11 00 00 8b 9d 98 02 00 00 31 ff 41 89 df 41 83 e7 01 44 89 fe e8 f8 6e 6f 00 45 84 ff 0f 84 a8 09 00 00 e8 ea 72 6f 00 <0f> 0b e8 e3 72 6f 00 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 RSP: 0018:ffffc9000342fa10 EFLAGS: 00010216 RAX: 00000000000037c6 RBX: 0000000000000002 RCX: ffffc90002b59000 RDX: 0000000000040000 RSI: ffffffff8110f806 RDI: 0000000000000005 RBP: ffff8881130dc3b0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: ffff8881130dc648 R13: 0000000000000001 R14: ffff8881130dc5f8 R15: 0000000000000000 shutdown_interception+0x66/0xb0 arch/x86/kvm/svm/svm.c:2148 svm_invoke_exit_handler+0x79/0x3e0 arch/x86/kvm/svm/svm.c:3390 svm_handle_exit+0x3a8/0x7c0 arch/x86/kvm/svm/svm.c:3450 vcpu_enter_guest arch/x86/kvm/x86.c:10868 [inline] vcpu_run+0x2b98/0x4df0 arch/x86/kvm/x86.c:10971 kvm_arch_vcpu_ioctl_run+0x4db/0x1a80 arch/x86/kvm/x86.c:11192 kvm_vcpu_ioctl+0x56c/0xf40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4124 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x199/0x210 fs/ioctl.c:856 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: 0033:0x7f6d87e9442d Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b4 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6d890e4048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6d87fcc0a0 RCX: 00007f6d87e9442d RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000007 RBP: 00007f6d87f014b8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6d87f00b51 R13: 000000000000000b R14: 00007f6d87fcc0a0 R15: 00007f6d890c4000 </TASK> Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 1 seconds..
