------------[ cut here ]------------
WARNING: CPU: 0 PID: 5013 at lib/iov_iter.c:385 _copy_from_iter+0x2d9/0x1190
Modules linked in:
CPU: 0 PID: 5013 Comm: syz-executor165 Not tainted 6.5.0-rc7-syzkaller-00168-g7d2f353b2682 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:_copy_from_iter+0x2d9/0x1190 lib/iov_iter.c:385
Code: 25 28 00 00 00 48 3b 84 24 00 01 00 00 0f 85 92 0e 00 00 4c 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 37 e3 56 fd <0f> 0b 45 31 f6 eb a7 e8 2b e3 56 fd 49 89 de e9 52 fe ff ff e8 1e
RSP: 0018:ffffc9000391f360 EFLAGS: 00010293
RAX: ffffffff8434d4f9 RBX: 0000000000000000 RCX: ffff8880293f1dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000391f4b8 R08: ffffffff8434d2d2 R09: 0000000000000200
R10: dffffc0000000000 R11: ffffed1002bd660f R12: 1ffff92000723e7c
R13: dffffc0000000000 R14: 0000000000000021 R15: ffffc9000391f6f0
FS:  0000555555ca8380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004561a0 CR3: 000000002a52b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 copy_page_from_iter+0x7a/0x100 lib/iov_iter.c:542
 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+0x146d/0x2570 block/blk-map.c:662
 blk_rq_map_user block/blk-map.c:691 [inline]
 blk_rq_map_user_io+0x288/0x420 block/blk-map.c:724
 sg_start_req drivers/scsi/sg.c:1818 [inline]
 sg_common_write+0xd7f/0x14d0 drivers/scsi/sg.c:803
 sg_new_write+0x5fe/0x7e0 drivers/scsi/sg.c:770
 sg_ioctl_common drivers/scsi/sg.c:935 [inline]
 sg_ioctl+0x17bd/0x2e80 drivers/scsi/sg.c:1160
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5b7b23a1e9
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffbc4a45c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fffbc4a4798 RCX: 00007f5b7b23a1e9
RDX: 0000000020000180 RSI: 0000000000002285 RDI: 0000000000000003
RBP: 00007f5b7b2ad610 R08: 002367732f766564 R09: 00007fffbc4a4798
R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffbc4a4788 R14: 0000000000000001 R15: 0000000000000001
 </TASK>