FAT-fs (loop1): unable to read boot sector
FAT-fs (loop0): unable to read boot sector
------------[ cut here ]------------
WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x364/0x400, CPU#0: syz-executor.5/14492
Modules linked in:
CPU: 0 UID: 0 PID: 14492 Comm: syz-executor.5 Not tainted 6.18.0-rc3-next-20251031 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:get_data+0x364/0x400
Code: e8 83 e0 07 83 c0 03 38 d0 0f 8c be fe ff ff 84 d2 0f 84 b6 fe ff ff 48 89 ef e8 17 b8 5b 00 e9 a9 fe ff ff e8 4d bb 1e 00 90 <0f> 0b 90 45 31 e4 e9 3b ff ff ff e8 3c bb 1e 00 90 0f 0b 90 45 31
RSP: 0018:ffff88801ec77248 EFLAGS: 00010212
RAX: 000000000000176c RBX: ffff88801ec77360 RCX: ffffc90006608000
RDX: 0000000000040000 RSI: ffffffff81555ba3 RDI: 0000000000000006
RBP: ffff88801ec77328 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85d30790
R13: 00003fffffffffff R14: 0000000000000000 R15: 0000000000000000
FS:  00007f5a20335700(0000) GS:ffff8880e53ed000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5a20336000 CR3: 000000000ddf3000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 _prb_read_valid+0x2f3/0x830
 prb_read_valid+0x78/0xa0
 printk_get_next_message+0x10b/0x570
 console_flush_one_record+0x64f/0xb20
 __console_flush_and_unlock+0xb1/0x1d0
 vprintk_emit+0x4c1/0x690
 _printk+0xbe/0xf0
 _fat_msg+0xe0/0x120
 fat_fill_super+0x2ba2/0x3fd0
 get_tree_bdev_flags+0x38a/0x620
 vfs_get_tree+0x93/0x340
 path_mount+0x720/0x2130
 __x64_sys_mount+0x293/0x310
 do_syscall_64+0xbf/0x390
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a22dc104a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f5a20334fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020002b80 RCX: 00007f5a22dc104a
RDX: 0000000020001840 RSI: 0000000020001880 RDI: 00007f5a20335000
RBP: 00007f5a20335040 R08: 00007f5a20335040 R09: 0000000020001840
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020001840
R13: 0000000020001880 R14: 00007f5a20335000 R15: 0000000020002c00
 </TASK>
irq event stamp: 1949
hardirqs last  enabled at (1955): [<ffffffff8154e480>] vprintk_emit+0x650/0x690
hardirqs last disabled at (1960): [<ffffffff8154e411>] vprintk_emit+0x5e1/0x690
softirqs last  enabled at (1592): [<ffffffff813bc0ec>] handle_softirqs+0x50c/0x770
softirqs last disabled at (1581): [<ffffffff813bc484>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
FAT-fs (loop0): unable to read boot sector
FAT-fs (loop5): unable to read boot sector
FAT-fs (loop1): unable to read boot sector
loop4: detected capacity change from 0 to 1
FAT-fs (loop6): unable to read boot sector
FAT-fs (loop3): unable to read boot sector
FAT-fs (loop4): invalid media value (0xd0)
FAT-fs (loop4): Can't find a valid FAT filesystem
FAT-fs (loop2): unable to read boot sector
FAT-fs (loop7): unable to read boot sector
FAT-fs (loop5): unable to read boot sector
FAT-fs (loop0): unable to read boot sector
FAT-fs (loop4): unable to read boot sector