loop6: rw=0, sector=0, nr_sectors = 1 limit=0
FAT-fs (loop6): unable to read boot sector
Process accounting resumed
Process accounting resumed
------------[ cut here ]------------
WARNING: CPU: 1 PID: 35780 at lib/iov_iter.c:385 _copy_from_iter+0x2f1/0x1320
Modules linked in:
CPU: 1 PID: 35780 Comm: syz-executor.1 Not tainted 6.4.0-rc6-next-20230615 #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 aa 28 36 ff be 85 01 00 00 48 c7 c7 e0 f3 9e 84 e8 29 6d 5a ff e9 13 fe ff ff e8 8f 28 36 ff <0f> 0b 45 31 f6 e9 67 ff ff ff e8 80 28 36 ff 31 ff 89 ee e8 b7 23
RSP: 0018:ffff8880478176b0 EFLAGS: 00010216
RAX: 00000000000001df RBX: 0000000000000000 RCX: ffffc90003803000
RDX: 0000000000040000 RSI: ffffffff8215dd41 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000021
R13: ffffea0001190c00 R14: 0000000000000021 R15: ffff8880478178e0
FS:  00007f2d85814700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000047b08000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 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: 0033:0x7f2d882bfb19
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:00007f2d85814188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2d883d3020 RCX: 00007f2d882bfb19
RDX: 0000000020000240 RSI: 0000000000002285 RDI: 0000000000000004
RBP: 00007f2d88319f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdafa4783f R14: 00007f2d85814300 R15: 0000000000022000
 </TASK>
irq event stamp: 1125
hardirqs last  enabled at (1135): [<ffffffff812fe7b8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1146): [<ffffffff812fe79d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (792): [<ffffffff8118dda3>] irq_exit_rcu+0x93/0xc0
softirqs last disabled at (785): [<ffffffff8118dda3>] irq_exit_rcu+0x93/0xc0
---[ end trace 0000000000000000 ]---