syzbot

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WARNING: CPU: 0 PID: 5012 at lib/iov_iter.c:385 _copy_from_iter+0x2c2/0x11f0 lib/iov_iter.c:385
Modules linked in:
CPU: 0 PID: 5012 Comm: syz-executor281 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+0x2c2/0x11f0 lib/iov_iter.c:385
Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 69 8c 68 fd be 85 01 00 00 48 c7 c7 c0 99 c7 8a e8 48 45 a6 fd e9 48 fe ff ff e8 4e 8c 68 fd <0f> 0b 45 31 ff eb 88 e8 42 8c 68 fd 31 ff 44 89 e6 e8 68 87 68 fd
RSP: 0018:ffffc9000340f110 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffc9000340f358 RCX: 0000000000000000
RDX: ffff888072f92200 RSI: ffffffff841c9472 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8a40008b R12: 0000000000001000
R13: 0000000000001000 R14: 0000000000000000 R15: 0000160000000000
FS:  0000555557213380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020670000 CR3: 000000002b99e000 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:542 [inline]
 copy_page_from_iter+0xa5/0x120 lib/iov_iter.c:531
 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+0x9d5/0x17e0 block/blk-map.c:662
 blk_rq_map_user_io.part.0+0x276/0x2c0 block/blk-map.c:720
 blk_rq_map_user_io+0xe6/0x230 block/blk-map.c:701
 sg_start_req drivers/scsi/sg.c:1818 [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+0xa7b/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]
 do_iter_write+0x45f/0x830 fs/read_write.c:862
 vfs_writev+0x221/0x700 fs/read_write.c:933
 do_writev+0x137/0x370 fs/read_write.c:976
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe6655ae1a9
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:00007ffebf625d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007ffebf625f18 RCX: 00007fe6655ae1a9
RDX: 0000000000000002 RSI: 0000000020000040 RDI: 0000000000000003
RBP: 00007fe665621610 R08: 002367732f766564 R09: 00007ffebf625f18
R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffebf625f08 R14: 0000000000000001 R15: 0000000000000001
 </TASK>