serio: Serial port tty27
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WARNING: CPU: 1 PID: 4741 at fs/ext4/file.c:611 ext4_file_write_iter+0xe2a/0x19b0
Modules linked in:
CPU: 1 PID: 4741 Comm: syz-executor.3 Not tainted 6.4.0-rc6-next-20230616 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:ext4_file_write_iter+0xe2a/0x19b0
Code: 02 84 c0 74 08 3c 03 0f 8e 81 0b 00 00 41 8b 5f 20 31 ff 83 e3 08 89 de e8 33 4c 9c ff 85 db 0f 85 ef fc ff ff e8 86 50 9c ff <0f> 0b e9 e3 fc ff ff e8 7a 50 9c ff 48 8b 54 24 70 48 b8 00 00 00
RSP: 0018:ffff88801690fc28 EFLAGS: 00010212
RAX: 00000000000003b7 RBX: 0000000000000000 RCX: ffffc90003fdf000
RDX: 0000000000040000 RSI: ffffffff81afb54a RDI: 0000000000000005
RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: fffffffffffffff5
R13: 0000000000000140 R14: ffff88801690fdb0 R15: ffff88801690fe00
FS:  00007fcb64aad700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcb64a8c9d0 CR3: 000000001bfe4000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 vfs_write+0x97d/0xdd0
 ksys_write+0x122/0x250
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fcb675dcb19
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:00007fcb64aad188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fcb676f0320 RCX: 00007fcb675dcb19
RDX: 0000000000140000 RSI: 0000000020000200 RDI: 0000000000000008
RBP: 00007fcb67636f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc12ccb56f R14: 00007fcb64aad300 R15: 0000000000022000
 </TASK>
irq event stamp: 1959
hardirqs last  enabled at (1969): [<ffffffff812fe7b8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1978): [<ffffffff812fe79d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (1566): [<ffffffff8118dda3>] irq_exit_rcu+0x93/0xc0
softirqs last disabled at (1557): [<ffffffff8118dda3>] irq_exit_rcu+0x93/0xc0
---[ end trace 0000000000000000 ]---