------------[ cut here ]------------ WARNING: CPU: 0 PID: 139101 at kernel/locking/lockdep.c:894 look_up_lock_class+0x86/0x110 kernel/locking/lockdep.c:894 Modules linked in: CPU: 0 PID: 139101 Comm: syz-executor.3 Not tainted 5.10.209 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:look_up_lock_class+0x86/0x110 kernel/locking/lockdep.c:894 Code: 24 e8 ce 02 00 00 4d 85 e4 74 2c 49 39 5c 24 40 75 eb 48 8b 45 18 49 39 84 24 b0 00 00 00 74 1a 48 81 7d 00 00 b2 14 86 74 10 <0f> 0b eb 0c e8 b1 ca 0a fe 85 c0 75 50 45 31 e4 48 83 c4 08 4c 89 RSP: 0018:ffff888036577580 EFLAGS: 00010002 RAX: ffffffff84534260 RBX: ffffffff871b24e1 RCX: 0000000000000000 RDX: 0000000000000046 RSI: 0000000000000001 RDI: ffff88801d6fa9d8 RBP: ffff88801d6fa9d8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000246 R11: 0000000000000001 R12: ffffffff868b0b80 R13: ffffffff86bee9e0 R14: 0000000000000001 R15: 0000000000000000 FS: 00007f5d2c08d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d02e000 CR3: 000000003c2ce000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: register_lock_class+0xbb/0x17b0 kernel/locking/lockdep.c:1244 __lock_acquire+0x102/0x5b00 kernel/locking/lockdep.c:4834 lock_acquire kernel/locking/lockdep.c:5566 [inline] lock_acquire+0x197/0x470 kernel/locking/lockdep.c:5531 down_write_nested+0x96/0x160 kernel/locking/rwsem.c:1667 ext4_double_down_write_data_sem fs/ext4/move_extent.c:55 [inline] ext4_double_down_write_data_sem fs/ext4/move_extent.c:51 [inline] ext4_move_extents+0x38e/0x3270 fs/ext4/move_extent.c:610 __ext4_ioctl+0x302e/0x4190 fs/ext4/ioctl.c:999 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x19a/0x210 fs/ioctl.c:739 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x62/0xc7 RIP: 0033:0x7f5d2eb17b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5d2c08d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f5d2ec2af60 RCX: 00007f5d2eb17b19 RDX: 0000000020000040 RSI: 00000000c028660f RDI: 0000000000000003 RBP: 00007f5d2eb71f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffce72a376f R14: 00007f5d2c08d300 R15: 0000000000022000 irq event stamp: 785 hardirqs last enabled at (785): [] syscall_enter_from_user_mode+0x1d/0x50 kernel/entry/common.c:98 hardirqs last disabled at (784): [] do_syscall_64+0xf/0x40 arch/x86/entry/common.c:41 softirqs last enabled at (396): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (347): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 57c7eae933cd6d94 ]--- EXT4-fs (loop2): Mount option "noacl" will be removed by 3.5 Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs (loop2): mounted filesystem without journal. Opts: noacl,,errors=continue EXT4-fs (loop7): Mount option "noacl" will be removed by 3.5 Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs (loop7): mounted filesystem without journal. Opts: noacl,,errors=continue EXT4-fs (loop2): Mount option "noacl" will be removed by 3.5 Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs (loop7): Mount option "noacl" will be removed by 3.5 Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs (loop7): mounted filesystem without journal. Opts: noacl,,errors=continue EXT4-fs (loop2): mounted filesystem without journal. Opts: noacl,,errors=continue EXT4-fs (loop2): Mount option "noacl" will be removed by 3.5 Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs (loop7): Mount option "noacl" will be removed by 3.5 Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs (loop7): mounted filesystem without journal. Opts: noacl,,errors=continue EXT4-fs (loop2): mounted filesystem without journal. Opts: noacl,,errors=continue udc-core: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_probe_driver returned -19 udc-core: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_probe_driver returned -19 udc-core: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_probe_driver returned -19 Module has invalid ELF structures Module has invalid ELF structures Module has invalid ELF structures Module has invalid ELF structures Module has invalid ELF structures EXT4-fs: 3 callbacks suppressed EXT4-fs (sda): Invalid journal IO priority (must be 0-7) EXT4-fs (sda): Invalid journal IO priority (must be 0-7) EXT4-fs (sda): Invalid journal IO priority (must be 0-7) EXT4-fs (sda): Invalid journal IO priority (must be 0-7) platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 print_req_error: 22 callbacks suppressed blk_update_request: I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 buffer_io_error: 22 callbacks suppressed Buffer I/O error on dev sr0, logical block 0, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 1, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 2, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 3, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 4, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 5 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 5, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 6, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 7 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 7, async page read