------------[ cut here ]------------ WARNING: CPU: 0 PID: 11353 at lib/iov_iter.c:385 _copy_from_iter+0x2f1/0x1320 Modules linked in: CPU: 0 PID: 11353 Comm: syz-executor.0 Not tainted 6.4.0-rc7-next-20230621 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2f1/0x1320 Code: b2 ff ff 89 c3 e9 1f ff ff ff e8 da 41 36 ff be 85 01 00 00 48 c7 c7 e0 f5 9e 84 e8 f9 85 5a ff e9 13 fe ff ff e8 bf 41 36 ff <0f> 0b 45 31 f6 e9 67 ff ff ff e8 b0 41 36 ff 31 ff 89 ee e8 e7 3c RSP: 0018:ffff888043dbf6b0 EFLAGS: 00010212 RAX: 00000000000001eb RBX: 0000000000000000 RCX: ffffc9000180f000 RDX: 0000000000040000 RSI: ffffffff8215e671 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 00000000000000ba R13: ffffea0000d91200 R14: 00000000000000ba R15: ffff888043dbf8e0 FS: 00007f1eafe78700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c8ac4a54c8 CR3: 0000000041074000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: copy_page_from_iter+0xe3/0x180 blk_rq_map_user_iov+0xb39/0x16c0 blk_rq_map_user_io+0x1d1/0x200 sg_common_write.constprop.0+0xd8d/0x15f0 sg_new_write.isra.0+0x53b/0x790 sg_ioctl+0x9fb/0x26c0 __x64_sys_ioctl+0x1a4/0x210 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f1eb2902b19 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:00007f1eafe78188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1eb2a15f60 RCX: 00007f1eb2902b19 RDX: 0000000020000180 RSI: 0000000000002285 RDI: 0000000000000007 RBP: 00007f1eb295cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd20638ef R14: 00007f1eafe78300 R15: 0000000000022000 irq event stamp: 1505 hardirqs last enabled at (1515): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1528): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1418): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (1409): [] irq_exit_rcu+0x93/0xc0 ---[ end trace 0000000000000000 ]---