loop4: detected capacity change from 0 to 128
FAT-fs (loop4): Unrecognized mount option "fowner>00000000000000000000{" or missing value
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WARNING: CPU: 0 PID: 4508 at fs/ext4/file.c:611 ext4_file_write_iter+0xe2a/0x19b0
Modules linked in:
CPU: 0 PID: 4508 Comm: syz-executor.7 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:ffff8880456ffc28 EFLAGS: 00010212
RAX: 000000000000138a RBX: 0000000000000000 RCX: ffffc90007a00000
RDX: 0000000000040000 RSI: ffffffff81afb54a RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: fffffffffffffff5
R13: 0000000000000001 R14: ffff8880456ffdb0 R15: ffff8880456ffe00
FS: 00007f730809d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f73080df9d0 CR3: 000000001b91a000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
vfs_write+0x97d/0xdd0
ksys_write+0x122/0x250
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f730ab69b19
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:00007f730809d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f730ac7d0e0 RCX: 00007f730ab69b19
RDX: 0000000000140000 RSI: 0000000020000200 RDI: 0000000000000006
RBP: 00007f730abc3f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8bab093f R14: 00007f730809d300 R15: 0000000000022000
irq event stamp: 1403
hardirqs last enabled at (1413): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1424): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1438): [] irq_exit_rcu+0x93/0xc0
softirqs last disabled at (1433): [] irq_exit_rcu+0x93/0xc0
---[ end trace 0000000000000000 ]---