------------[ cut here ]------------ WARNING: CPU: 1 PID: 7755 at lib/iov_iter.c:623 _copy_from_iter+0x2ad/0x1060 lib/iov_iter.c:623 Modules linked in: CPU: 1 PID: 7755 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller-12018-g2fcd07b7ccd5 #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 5e 81 69 fd be 73 02 00 00 48 c7 c7 00 a0 a6 8a e8 ed 7c a5 fd e9 56 fe ff ff e8 43 81 69 fd <0f> 0b 45 31 ff eb 8b e8 37 81 69 fd 31 ff 89 ee e8 3e 7d 69 fd 40 RSP: 0018:ffffc90005317688 EFLAGS: 00010212 RAX: 00000000000007e7 RBX: 0000000000000000 RCX: ffffc900037e1000 RDX: 0000000000040000 RSI: ffffffff841aa1bd RDI: 0000000000000001 RBP: 000000000000007f R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffea000074ee00 R14: ffffc900053178c0 R15: 000000000000007f FS: 00007fa2b42b3700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe78ae9f18 CR3: 000000002b9b2000 CR4: 00000000003506e0 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_new_write.isra.0+0x522/0xa90 drivers/scsi/sg.c:770 sg_ioctl_common drivers/scsi/sg.c:935 [inline] sg_ioctl+0x9a8/0x2700 drivers/scsi/sg.c:1159 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856 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: 0033:0x7fa2b348c0f9 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:00007fa2b42b3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fa2b35abf80 RCX: 00007fa2b348c0f9 RDX: 0000000020000340 RSI: 0000000000002285 RDI: 0000000000000004 RBP: 00007fa2b34e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffed56a605f R14: 00007fa2b42b3300 R15: 0000000000022000