------------[ cut here ]------------ WARNING: CPU: 1 PID: 5462 at lib/iov_iter.c:385 _copy_from_iter+0x2c2/0x1270 lib/iov_iter.c:385 Modules linked in: CPU: 1 PID: 5462 Comm: syz-executor.0 Not tainted 6.6.0-rc2-syzkaller-gce9ecca0238b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:_copy_from_iter+0x2c2/0x1270 lib/iov_iter.c:385 Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 99 6b 64 fd be 85 01 00 00 48 c7 c7 e0 9a e8 8a e8 f8 9b a3 fd e9 48 fe ff ff e8 7e 6b 64 fd <0f> 0b 45 31 ff eb 88 e8 72 6b 64 fd 31 ff 89 ee e8 99 66 64 fd 40 RSP: 0018:ffffc90003727110 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88802a32a080 RSI: ffffffff842259d2 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff8a60008b R12: 0000000000001000 R13: ffffc90003727358 R14: 0000000000001000 R15: 0000160000000000 FS: 00007f6c930916c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020670000 CR3: 000000002af83000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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+0x9d5/0x1860 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: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: 0033:0x7f6c9227cae9 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:00007f6c930910c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007f6c9239bf80 RCX: 00007f6c9227cae9 RDX: 0000000000000002 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00007f6c922c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f6c9239bf80 R15: 00007ffc30ad5648