sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.1 not setting count and/or reply_len properly ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8014 at lib/iov_iter.c:629 _copy_from_iter+0x2b2/0x1140 Modules linked in: CPU: 1 PID: 8014 Comm: syz-executor.1 Not tainted 6.2.0-rc5-next-20230125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2b2/0x1140 Code: 5d 41 5e 41 5f e9 c2 09 33 02 e8 29 76 35 ff be 79 02 00 00 48 c7 c7 40 e4 9e 84 e8 f8 5c 59 ff e9 51 fe ff ff e8 0e 76 35 ff <0f> 0b 45 31 f6 eb 87 e8 02 76 35 ff 31 ff 89 ee e8 b9 71 35 ff 40 RSP: 0018:ffff888041757608 EFLAGS: 00010212 RAX: 0000000000000e0e RBX: 0000000000000000 RCX: ffffc900019ec000 RDX: 0000000000040000 RSI: ffffffff82165ae2 RDI: 0000000000000001 RBP: 0000000000000390 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888041757838 R14: 0000000000000390 R15: ffff888041757838 FS: 00007f563b7b8700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffd422eff8 CR3: 000000003f008000 CR4: 0000000000350ee0 Call Trace: copy_page_from_iter+0x251/0x430 blk_rq_map_user_iov+0xb41/0x16c0 blk_rq_map_user_io+0x1d1/0x200 sg_common_write.constprop.0+0xd8d/0x15f0 sg_write.part.0+0x698/0xac0 sg_write+0x8d/0xe0 vfs_write+0x2cf/0xdd0 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f563e263b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f563b7b8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f563e377020 RCX: 00007f563e263b19 RDX: 000000000000002b RSI: 0000000020000380 RDI: 0000000000000007 RBP: 00007f563e2bdf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdfcf4ed3f R14: 00007f563b7b8300 R15: 0000000000022000 irq event stamp: 1899 hardirqs last enabled at (1911): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1922): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1616): [] irq_exit_rcu+0x11f/0x190 softirqs last disabled at (1531): [] irq_exit_rcu+0x11f/0x190 ---[ end trace 0000000000000000 ]--- sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.0 not setting count and/or reply_len properly sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.1 not setting count and/or reply_len properly sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.0 not setting count and/or reply_len properly block device autoloading is deprecated and will be removed. block device autoloading is deprecated and will be removed. device lo left promiscuous mode block device autoloading is deprecated and will be removed. block device autoloading is deprecated and will be removed.