WARNING: CPU: 0 PID: 161217 at lib/iov_iter.c:644 _copy_from_iter+0x2f1/0x1320 Modules linked in: CPU: 0 PID: 161217 Comm: syz-executor.3 Not tainted 6.4.0-rc2-next-20230519 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2f1/0x1320 Code: 92 ff ff 89 c3 e9 1f ff ff ff e8 da c6 35 ff be 88 02 00 00 48 c7 c7 00 dc 9e 84 e8 99 00 5a ff e9 13 fe ff ff e8 bf c6 35 ff <0f> 0b 45 31 f6 e9 67 ff ff ff e8 b0 c6 35 ff 31 ff 89 ee e8 e7 c1 RSP: 0018:ffff888043e17608 EFLAGS: 00010212 RAX: 000000000000247b RBX: 0000000000000000 RCX: ffffc900031ec000 RDX: 0000000000040000 RSI: ffffffff82162c81 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000 R13: ffffea00011ca600 R14: 0000000000001000 R15: ffff888043e17838 FS: 00007f19ad803700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd0c5f7090 CR3: 000000004e7ea000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: copy_page_from_iter+0xe3/0x180 blk_rq_map_user_iov+0xb39/0x16c0 blk_rq_map_user_io+0x1d1/0x200 sg_common_write.constprop.0+0xd8d/0x15f0 sg_write.part.0+0x698/0xac0 sg_write+0x8d/0xe0 vfs_write+0x2b8/0xd40 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f19b028db19 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:00007f19ad803188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f19b03a0f60 RCX: 00007f19b028db19 RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005 RBP: 00007f19b02e7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcfa5642cf R14: 00007f19ad803300 R15: 0000000000022000 irq event stamp: 16819 hardirqs last enabled at (16935): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (17120): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (17258): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (17217): [] irq_exit_rcu+0x93/0xc0 ---[ end trace 0000000000000000 ]--- UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 loop0: detected capacity change from 0 to 512 workqueue: Failed to create a rescuer kthread for wq "ext4-rsv-conversion": -EINTR EXT4-fs: failed to create workqueue EXT4-fs (loop0): mount failed UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 ext4: Unknown parameter 'no' ext4: Unknown parameter 'no' UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 loop0: detected capacity change from 0 to 1024 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 EXT4-fs error (device loop0): __ext4_get_inode_loc:4370: comm syz-executor.0: Invalid inode table block 0 in block_group 0 EXT4-fs (loop0): get root inode failed EXT4-fs (loop0): mount failed loop0: detected capacity change from 0 to 1024 EXT4-fs error (device loop0): __ext4_get_inode_loc:4370: comm syz-executor.0: Invalid inode table block 0 in block_group 0 EXT4-fs (loop0): get root inode failed EXT4-fs (loop0): mount failed UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 loop0: detected capacity change from 0 to 1024 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy EXT4-fs error (device loop0): __ext4_get_inode_loc:4370: comm syz-executor.0: Invalid inode table block 0 in block_group 0 EXT4-fs (loop0): get root inode failed EXT4-fs (loop0): mount failed misc raw-gadget: fail, usb_gadget_register_driver returned -16