------------[ cut here ]------------ WARNING: CPU: 0 PID: 7963 at lib/iov_iter.c:623 _copy_from_iter+0x2ad/0x1060 lib/iov_iter.c:623 Modules linked in: CPU: 0 PID: 7963 Comm: syz-executor.0 Not tainted 6.2.0-next-20230228-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 RIP: 0010:_copy_from_iter+0x2ad/0x1060 lib/iov_iter.c:623 Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 fe bd 69 fd be 73 02 00 00 48 c7 c7 c0 e8 a6 8a e8 3d 4d a6 fd e9 56 fe ff ff e8 e3 bd 69 fd <0f> 0b 45 31 ff eb 8b e8 d7 bd 69 fd 31 ff 89 ee e8 de b9 69 fd 40 RSP: 0018:ffffc9000318f4e0 EFLAGS: 00010212 RAX: 0000000000009293 RBX: 0000000000000000 RCX: ffffc90003fd2000 RDX: 0000000000040000 RSI: ffffffff841aec6d RDI: 0000000000000001 RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffea0001eeba00 R14: ffffc9000318f718 R15: 0000000000001000 FS: 00007fa5e2495700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd75830e265 CR3: 000000001c9d0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: copy_page_from_iter lib/iov_iter.c:748 [inline] copy_page_from_iter+0x233/0x3f0 lib/iov_iter.c:737 bio_copy_from_iter block/blk-map.c:55 [inline] bio_copy_user_iov block/blk-map.c:210 [inline] blk_rq_map_user_iov+0xb5d/0x16e0 block/blk-map.c:661 blk_rq_map_user block/blk-map.c:690 [inline] blk_rq_map_user_io+0x1cd/0x200 block/blk-map.c:723 sg_start_req drivers/scsi/sg.c:1807 [inline] sg_common_write.constprop.0+0xdcd/0x1e00 drivers/scsi/sg.c:803 sg_write.part.0+0x75d/0xd90 drivers/scsi/sg.c:707 sg_write+0x8d/0xe0 drivers/scsi/sg.c:226 do_loop_readv_writev fs/read_write.c:759 [inline] do_loop_readv_writev fs/read_write.c:743 [inline] do_iter_write+0x4ef/0x700 fs/read_write.c:863 vfs_writev+0x1aa/0x670 fs/read_write.c:934 do_writev+0x133/0x2f0 fs/read_write.c:977 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa5e168c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa5e2495168 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007fa5e17abf80 RCX: 00007fa5e168c0f9 RDX: 0000000000000001 RSI: 0000000020000280 RDI: 0000000000000003 RBP: 00007fa5e16e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb609ceaf R14: 00007fa5e2495300 R15: 0000000000022000