loop0: detected capacity change from 0 to 32768 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= kvm: vcpu 0: requested 128 ns lapic timer period limited to 200000 ns kvm: vcpu 0: requested lapic timer restore with starting count register 0x390=1812281087 (231971979136 ns) > initial count (200000 ns). Using initial count to start timer. program syz.0.0 is using a deprecated SCSI ioctl, please convert it to SG_IO Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 UID: 0 PID: 5104 Comm: syz.0.0 Not tainted 6.11.0-syzkaller-10392-g68e5c7d4cefb #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ata_msense_control_spgt2 drivers/ata/libata-scsi.c:2276 [inline] RIP: 0010:ata_msense_control+0x966/0x1cf0 drivers/ata/libata-scsi.c:2358 Code: b6 04 10 84 c0 0f 85 9b 0f 00 00 4c 89 e8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 b6 0f 00 00 66 c7 03 00 e4 49 89 ec 49 c1 ec 03 <41> 0f b6 04 14 84 c0 0f 85 cc 0f 00 00 0f b6 5d 00 c0 e3 04 80 e3 RSP: 0018:ffffc9000b13f068 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffffff9a718a76 RCX: ffffffff864b0862 RDX: dffffc0000000000 RSI: ffffffff8c921080 RDI: ffffffff9a718a75 RBP: 0000000000000000 R08: 0000000000020a0a R09: 1e00ffff00000000 R10: dffffc0000000000 R11: fffffbfff34e314f R12: 0000000000000000 R13: ffffffff9a718a77 R14: 0000000000000046 R15: ffff8880339badf8 FS: 00007f55c522e6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f55c450b170 CR3: 000000001a946000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ata_scsiop_mode_sense drivers/ata/libata-scsi.c:2474 [inline] ata_scsi_rbuf_fill drivers/ata/libata-scsi.c:1815 [inline] ata_scsi_simulate+0x1ae8/0x2320 drivers/ata/libata-scsi.c:4316 __ata_scsi_queuecmd+0x21e/0x1030 drivers/ata/libata-scsi.c:4191 ata_scsi_queuecmd+0x3bb/0x530 drivers/ata/libata-scsi.c:4234 scsi_dispatch_cmd drivers/scsi/scsi_lib.c:1608 [inline] scsi_queue_rq+0x1d7c/0x2e90 drivers/scsi/scsi_lib.c:1850 blk_mq_dispatch_rq_list+0xb89/0x1b30 block/blk-mq.c:2032 __blk_mq_sched_dispatch_requests+0x424/0x1840 block/blk-mq-sched.c:301 blk_mq_sched_dispatch_requests+0xcb/0x140 block/blk-mq-sched.c:331 blk_mq_run_hw_queue+0x9a5/0xae0 block/blk-mq.c:2245 blk_execute_rq+0x239/0x4b0 block/blk-mq.c:1398 sg_scsi_ioctl drivers/scsi/scsi_ioctl.c:593 [inline] scsi_ioctl+0x222f/0x2d80 drivers/scsi/scsi_ioctl.c:901 sg_ioctl_common drivers/scsi/sg.c:1109 [inline] sg_ioctl+0x16e9/0x2e80 drivers/scsi/sg.c:1163 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f55c437def9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f55c522e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f55c4535f80 RCX: 00007f55c437def9 RDX: 0000000020000340 RSI: 0000000000000001 RDI: 0000000000000007 RBP: 00007f55c43f0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f55c4535f80 R15: 00007ffe2296b4b8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ata_msense_control_spgt2 drivers/ata/libata-scsi.c:2276 [inline] RIP: 0010:ata_msense_control+0x966/0x1cf0 drivers/ata/libata-scsi.c:2358 Code: b6 04 10 84 c0 0f 85 9b 0f 00 00 4c 89 e8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 b6 0f 00 00 66 c7 03 00 e4 49 89 ec 49 c1 ec 03 <41> 0f b6 04 14 84 c0 0f 85 cc 0f 00 00 0f b6 5d 00 c0 e3 04 80 e3 RSP: 0018:ffffc9000b13f068 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffffff9a718a76 RCX: ffffffff864b0862 RDX: dffffc0000000000 RSI: ffffffff8c921080 RDI: ffffffff9a718a75 RBP: 0000000000000000 R08: 0000000000020a0a R09: 1e00ffff00000000 R10: dffffc0000000000 R11: fffffbfff34e314f R12: 0000000000000000 R13: ffffffff9a718a77 R14: 0000000000000046 R15: ffff8880339badf8 FS: 00007f55c522e6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f55c450b170 CR3: 000000001a946000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: b6 04 mov $0x4,%dh 2: 10 84 c0 0f 85 9b 0f adc %al,0xf9b850f(%rax,%rax,8) 9: 00 00 add %al,(%rax) b: 4c 89 e8 mov %r13,%rax e: 48 c1 e8 03 shr $0x3,%rax 12: 0f b6 04 10 movzbl (%rax,%rdx,1),%eax 16: 84 c0 test %al,%al 18: 0f 85 b6 0f 00 00 jne 0xfd4 1e: 66 c7 03 00 e4 movw $0xe400,(%rbx) 23: 49 89 ec mov %rbp,%r12 26: 49 c1 ec 03 shr $0x3,%r12 * 2a: 41 0f b6 04 14 movzbl (%r12,%rdx,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 cc 0f 00 00 jne 0x1003 37: 0f b6 5d 00 movzbl 0x0(%rbp),%ebx 3b: c0 e3 04 shl $0x4,%bl 3e: 80 .byte 0x80 3f: e3 .byte 0xe3