------------[ cut here ]------------
WARNING: CPU: 1 PID: 5492 at lib/iov_iter.c:274 _copy_from_iter+0x38c/0x10f0 lib/iov_iter.c:274
Modules linked in:
CPU: 1 PID: 5492 Comm: syz-executor.0 Not tainted 6.7.0-rc3-next-20231201-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:_copy_from_iter+0x38c/0x10f0 lib/iov_iter.c:274
Code: 7c fd 0f 01 cb 4c 89 f9 4c 89 f7 48 89 de e8 0b 3c 18 06 48 89 cb 0f 01 ca 4d 89 fc 49 29 cc e9 db fe ff ff e8 75 3e 25 fd 90 <0f> 0b 90 45 31 e4 e9 25 ff ff ff e8 64 3e 25 fd 48 8b 14 24 4c 89
RSP: 0018:ffffc900055c7190 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8462e488
RDX: ffff888079445940 RSI: ffffffff8462e75b RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff81df67d2 R12: 0000000000001000
R13: ffffea00008a6800 R14: ffffc900055c73a8 R15: 0000000000001000
FS:  00007fccfa3786c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020670000 CR3: 0000000029f35000 CR4: 00000000003506f0
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_io.part.0+0x276/0x2c0 block/blk-map.c:719
 blk_rq_map_user_io+0xe6/0x230 block/blk-map.c:700
 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_write+0xa7a/0xe10 drivers/scsi/sg.c:632
 do_loop_readv_writev fs/read_write.c:758 [inline]
 do_loop_readv_writev fs/read_write.c:743 [inline]
 vfs_writev+0x6e8/0xdb0 fs/read_write.c:967
 do_writev+0x137/0x370 fs/read_write.c:1012
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7fccf967c8d9
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:00007fccfa3780c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007fccf979bf80 RCX: 00007fccf967c8d9
RDX: 0000000000000002 RSI: 0000000020000040 RDI: 0000000000000003
RBP: 00007fccf96d8b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fccf979bf80 R15: 00007ffe991374a8
 </TASK>