------------[ cut here ]------------
WARNING: CPU: 1 PID: 21846 at lib/iov_iter.c:274 _copy_from_iter+0x38c/0x10f0 lib/iov_iter.c:274
Modules linked in:
CPU: 1 PID: 21846 Comm: syz-executor.1 Not tainted 6.8.0-rc1-syzkaller-00169-gecb1b8288dc7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:_copy_from_iter+0x38c/0x10f0 lib/iov_iter.c:274
Code: 77 fd 0f 01 cb 4c 89 f9 4c 89 f7 48 89 de f3 a4 0f 1f 00 48 89 cb 0f 01 ca 4d 89 fc 49 29 cc e9 db fe ff ff e8 f5 ac 1f fd 90 <0f> 0b 90 45 31 e4 e9 25 ff ff ff e8 e4 ac 1f fd 48 8b 14 24 4c 89
RSP: 0018:ffffc9002274f668 EFLAGS: 00010287
RAX: 0000000000001ce4 RBX: 0000000000000000 RCX: ffffc90009681000
RDX: 0000000000040000 RSI: ffffffff84675f7b RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000097
R13: ffffea0000c12a00 R14: ffffc9002274f880 R15: 0000000000000097
FS:  00007fe44664f6c0(0000) GS:ffff88806b700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001200 CR3: 000000003589c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 copy_page_from_iter lib/iov_iter.c:441 [inline]
 copy_page_from_iter+0xa5/0x120 lib/iov_iter.c:430
 bio_copy_from_iter block/blk-map.c:56 [inline]
 bio_copy_user_iov block/blk-map.c:211 [inline]
 blk_rq_map_user_iov+0x9e7/0x1840 block/blk-map.c:661
 blk_rq_map_user block/blk-map.c:690 [inline]
 blk_rq_map_user_io+0x202/0x230 block/blk-map.c:723
 sg_start_req drivers/scsi/sg.c:1817 [inline]
 sg_common_write.constprop.0+0xd61/0x1c90 drivers/scsi/sg.c:803
 sg_new_write.isra.0+0x546/0xaa0 drivers/scsi/sg.c:770
 sg_ioctl_common drivers/scsi/sg.c:935 [inline]
 sg_ioctl+0x1814/0x2760 drivers/scsi/sg.c:1160
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fe44587cda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe44664f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe4459abf80 RCX: 00007fe44587cda9
RDX: 0000000020001200 RSI: 0000000000002285 RDI: 0000000000000003
RBP: 00007fe4458c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fe4459abf80 R15: 00007ffc09cc9da8
 </TASK>