------------[ cut here ]------------ WARNING: CPU: 0 PID: 10127 at lib/iov_iter.c:376 _copy_from_iter+0x2b2/0x1140 Modules linked in: CPU: 0 PID: 10127 Comm: syz-executor.0 Not tainted 6.3.0-rc3-next-20230327 #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 52 46 34 02 e8 a9 89 36 ff be 7c 01 00 00 48 c7 c7 60 c4 9e 84 e8 d8 7e 5a ff e9 51 fe ff ff e8 8e 89 36 ff <0f> 0b 45 31 f6 eb 87 e8 82 89 36 ff 31 ff 89 ee e8 b9 84 36 ff 40 RSP: 0018:ffff88804265f9d0 EFLAGS: 00010216 RAX: 00000000000000bc RBX: 0000000000000000 RCX: ffffc90007214000 RDX: 0000000000040000 RSI: ffffffff8214ff52 RDI: 0000000000000001 RBP: ffff888044735000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000800 R13: ffff88804265fd58 R14: 0000000000000800 R15: ffff88804265fd58 FS: 00007f6445c7d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6445c5bd58 CR3: 000000000cd08000 CR4: 0000000000350ef0 Call Trace: file_tty_write.constprop.0+0x402/0x9d0 do_iter_readv_writev+0x211/0x3c0 do_iter_write+0x18b/0x700 vfs_writev+0x1ae/0x660 do_writev+0x133/0x300 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f6448707b19 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:00007f6445c7d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007f644881af60 RCX: 00007f6448707b19 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 00007f6448761f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc58acf7f R14: 00007f6445c7d300 R15: 0000000000022000 irq event stamp: 2753 hardirqs last enabled at (2765): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (2776): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (2112): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (2013): [] __irq_exit_rcu+0xcc/0x110 ---[ end trace 0000000000000000 ]---