------------[ cut here ]------------
WARNING: CPU: 0 PID: 15918 at lib/iov_iter.c:385 _copy_from_iter+0x2d9/0x1190
Modules linked in:
CPU: 0 PID: 15918 Comm: syz-executor.3 Not tainted 6.5.0-syzkaller-01207-g1c59d383390f #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 9d 56 fd <0f> 0b 45 31 f6 eb a7 e8 2b 9d 56 fd 49 89 de e9 52 fe ff ff e8 1e
RSP: 0018:ffffc900145af360 EFLAGS: 00010283
RAX: ffffffff84357c59 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000b771000 RSI: 000000000000040a RDI: 000000000000040b
RBP: ffffc900145af4b8 R08: ffffffff84357a32 R09: 0000000000000200
R10: dffffc0000000000 R11: ffffed100fb4c5ef R12: 1ffff920028b5e7c
R13: dffffc0000000000 R14: 00000000000000b8 R15: ffffc900145af6f0
FS:  00007f06acffe6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f06acffdc98 CR3: 000000002eaf5000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 00000000000000fc DR6: 00000000ffff0ff0 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:871 [inline]
 __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857
 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: 0033:0x7f06ae47cae9
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:00007f06acffe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f06ae59bf80 RCX: 00007f06ae47cae9
RDX: 0000000020000200 RSI: 0000000000002285 RDI: 0000000000000004
RBP: 00007f06ae4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f06ae59bf80 R15: 00007fff8858af58
 </TASK>