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: 2 UID: 0 PID: 5421 Comm: syz.3.7 Not tainted 6.11.0-syzkaller-07341-gbaeb9a7d8b60 #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.isra.0+0x4ce/0x610 drivers/ata/libata-scsi.c:2276 Code: 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 93 7f 99 fb 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 4c 89 e2 83 e2 07 38 d0 7f 08 84 c0 0f 85 12 01 00 00 RSP: 0018:ffffc90004cef450 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffffffff9a62c6b8 RCX: ffffc90003e24000 RDX: 0000000000000000 RSI: ffffffff85f2ae9d RDI: 0000000000000001 RBP: 0000000000000007 R08: 0000000000000001 R09: 0000000000000007 R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000007 R14: ffffffff9a62c6ac R15: ffff888024bc2690 FS: 0000000000000000(0000) GS:ffff88802b800000(0063) knlGS:00000000f56d6b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000200033c0 CR3: 0000000012d18000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ata_msense_control+0xe3/0x4a0 drivers/ata/libata-scsi.c:2358 ata_scsiop_mode_sense drivers/ata/libata-scsi.c:2468 [inline] ata_scsi_rbuf_fill drivers/ata/libata-scsi.c:1815 [inline] ata_scsi_simulate+0x145f/0x3700 drivers/ata/libata-scsi.c:4316 __ata_scsi_queuecmd+0xab4/0x1300 drivers/ata/libata-scsi.c:4191 ata_scsi_queuecmd+0xac/0x160 drivers/ata/libata-scsi.c:4234 scsi_dispatch_cmd drivers/scsi/scsi_lib.c:1608 [inline] scsi_queue_rq+0x1273/0x35d0 drivers/scsi/scsi_lib.c:1850 blk_mq_dispatch_rq_list+0x443/0x1dc0 block/blk-mq.c:2032 __blk_mq_sched_dispatch_requests+0x219/0x1620 block/blk-mq-sched.c:301 blk_mq_sched_dispatch_requests+0xd4/0x150 block/blk-mq-sched.c:331 blk_mq_run_hw_queue+0x645/0x9a0 block/blk-mq.c:2245 blk_execute_rq_nowait+0x157/0x210 block/blk-mq.c:1337 sg_common_write.constprop.0+0xd73/0x1c60 drivers/scsi/sg.c:835 sg_new_write.isra.0+0x540/0xaa0 drivers/scsi/sg.c:773 sg_ioctl_common drivers/scsi/sg.c:938 [inline] sg_ioctl+0x179d/0x26b0 drivers/scsi/sg.c:1163 compat_ptr_ioctl+0x6b/0xa0 fs/ioctl.c:946 __do_compat_sys_ioctl+0x2bd/0x330 fs/ioctl.c:1007 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf73ee579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f56d656c EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000002285 RDX: 00000000200033c0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ata_msense_control_spgt2.isra.0+0x4ce/0x610 drivers/ata/libata-scsi.c:2276 Code: 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 93 7f 99 fb 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 4c 89 e2 83 e2 07 38 d0 7f 08 84 c0 0f 85 12 01 00 00 RSP: 0018:ffffc90004cef450 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffffffff9a62c6b8 RCX: ffffc90003e24000 RDX: 0000000000000000 RSI: ffffffff85f2ae9d RDI: 0000000000000001 RBP: 0000000000000007 R08: 0000000000000001 R09: 0000000000000007 R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000007 R14: ffffffff9a62c6ac R15: ffff888024bc2690 FS: 0000000000000000(0000) GS:ffff88802b800000(0063) knlGS:00000000f56d6b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000200033c0 CR3: 0000000012d18000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 83 c4 08 add $0x8,%rsp 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: 41 5d pop %r13 a: 41 5e pop %r14 c: 41 5f pop %r15 e: c3 ret f: cc int3 10: cc int3 11: cc int3 12: cc int3 13: e8 93 7f 99 fb call 0xfb997fab 18: 4c 89 e2 mov %r12,%rdx 1b: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 22: fc ff df 25: 48 c1 ea 03 shr $0x3,%rdx * 29: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2d: 4c 89 e2 mov %r12,%rdx 30: 83 e2 07 and $0x7,%edx 33: 38 d0 cmp %dl,%al 35: 7f 08 jg 0x3f 37: 84 c0 test %al,%al 39: 0f 85 12 01 00 00 jne 0x151