audit: type=1400 audit(1756713011.806:11): avc:  denied  { write } for  pid=4018 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.7/4026
Modules linked in:
CPU: 0 UID: 0 PID: 4026 Comm: syz-executor.7 Tainted: G        W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:mntput_no_expire+0x78e/0xbe0
Code: 05 16 42 81 04 01 e8 31 f8 91 ff e9 41 fc ff ff e8 b7 50 b4 ff 31 ff 44 89 ee e8 dd 4b b4 ff 45 85 ed 79 09 e8 a3 50 b4 ff 90 <0f> 0b 90 e8 9a 50 b4 ff e8 75 f6 fb 02 31 ff 89 c5 89 c6 e8 ba 4b
RSP: 0018:ffff88801b54fa18 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff110036a9f48 RCX: ffffffff81bf96d3
RDX: ffff88800fba0000 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff8880160b8c40 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88801b54fa80
R13: 00000000ffffffff R14: ffff8880160b8c40 R15: ffff8880160b8bd0
FS:  0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000000e CR3: 000000003d403000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 cleanup_mnt+0x41e/0x430
 task_work_run+0x172/0x280
 do_exit+0x846/0x2970
 do_group_exit+0xd3/0x2a0
 get_signal+0x2315/0x2340
 arch_do_signal_or_restart+0x80/0x790
 irqentry_exit_to_user_mode+0x106/0x1c0
 exc_page_fault+0xd9/0x180
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0xe
Code: Unable to access opcode bytes at 0xffffffffffffffe4.
RSP: 002b:00007f3b7776c190 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f3b7a309f60 RCX: 00007f3b7a1f6b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200002c0
RBP: 00007f3b7a250f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdb68fb6bf R14: 00007f3b7776c300 R15: 0000000000022000
 </TASK>
irq event stamp: 1441
hardirqs last  enabled at (1449): [<ffffffff81541b18>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1458): [<ffffffff81541afd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (1100): [<ffffffff813bafcc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (1091): [<ffffffff813bb364>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
I/O error, dev loop7, sector 64 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
isofs_fill_super: bread failed, dev=loop7, iso_blknum=16, block=32
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16