audit: type=1400 audit(1756738401.305:11): avc:  denied  { write } for  pid=3979 comm="syz-executor.2" 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.5/290
Modules linked in:
CPU: 0 UID: 0 PID: 290 Comm: syz-executor.5 Tainted: G        W           6.17.0-rc4-next-20250901 #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 d6 30 81 04 01 e8 71 df 91 ff e9 41 fc ff ff e8 27 47 b4 ff 31 ff 44 89 ee e8 4d 42 b4 ff 45 85 ed 79 09 e8 13 47 b4 ff 90 <0f> 0b 90 e8 0a 47 b4 ff e8 b5 2d fc 02 31 ff 89 c5 89 c6 e8 2a 42
RSP: 0018:ffff888015867c00 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11002b0cf85 RCX: ffffffff81bfaf93
RDX: ffff888016315280 RSI: ffffffff81bfaf9d RDI: 0000000000000005
RBP: ffff88801e5016c0 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000fffffffe R11: 0000000000000001 R12: ffff888015867c68
R13: 00000000fffffffe R14: dead000000000100 R15: ffff88801e5016c0
FS:  00005555897ea400(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd62480ff8 CR3: 0000000045e14000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 namespace_unlock+0x7f1/0x810
 path_umount+0x6a4/0x1100
 __x64_sys_umount+0x15c/0x190
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f41f5f7ff87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 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:00007ffd62481298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f41f5f7ff87
RDX: 00007ffd62481369 RSI: 000000000000000a RDI: 00007ffd62481360
RBP: 00007ffd62481360 R08: 00000000ffffffff R09: 00007ffd62481130
R10: 00005555897ebc7b R11: 0000000000000246 R12: 00007f41f5fd8105
R13: 00007ffd62482420 R14: 00005555897ebc20 R15: 00007ffd62482460
 </TASK>
irq event stamp: 169937
hardirqs last  enabled at (169945): [<ffffffff81541b18>] __up_console_sem+0x78/0x80
hardirqs last disabled at (169954): [<ffffffff81541afd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (169804): [<ffffffff813bafcc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (169797): [<ffffffff813bb364>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop2: detected capacity change from 0 to 264192
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.5/290
Modules linked in:
CPU: 0 UID: 0 PID: 290 Comm: syz-executor.5 Tainted: G        W           6.17.0-rc4-next-20250901 #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 d6 30 81 04 01 e8 71 df 91 ff e9 41 fc ff ff e8 27 47 b4 ff 31 ff 44 89 ee e8 4d 42 b4 ff 45 85 ed 79 09 e8 13 47 b4 ff 90 <0f> 0b 90 e8 0a 47 b4 ff e8 b5 2d fc 02 31 ff 89 c5 89 c6 e8 2a 42
RSP: 0018:ffff888015867ce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11002b0cfa1 RCX: ffffffff81bfaf93
RDX: ffff888016315280 RSI: ffffffff81bfaf9d RDI: 0000000000000005
RBP: ffff88801e5016c0 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000fffffffd R11: 0000000000000001 R12: ffff888015867d48
R13: 00000000fffffffd R14: ffff88801e5016c0 R15: ffff88801e5017a8
FS:  00005555897ea400(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002045f000 CR3: 0000000045e14000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 path_umount+0x6e0/0x1100
 __x64_sys_umount+0x15c/0x190
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f41f5f7ff87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 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:00007ffd62481298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f41f5f7ff87
RDX: 00007ffd62481369 RSI: 000000000000000a RDI: 00007ffd62481360
RBP: 00007ffd62481360 R08: 00000000ffffffff R09: 00007ffd62481130
R10: 00005555897ebc7b R11: 0000000000000246 R12: 00007f41f5fd8105
R13: 00007ffd62482420 R14: 00005555897ebc20 R15: 00007ffd62482460
 </TASK>
irq event stamp: 170441
hardirqs last  enabled at (170449): [<ffffffff81541b18>] __up_console_sem+0x78/0x80
hardirqs last disabled at (170458): [<ffffffff81541afd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (170254): [<ffffffff813bafcc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (170249): [<ffffffff813bb364>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
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
BUG: Bad rss-counter state mm:000000000db42025 type:MM_ANONPAGES val:-22 Comm:syz-executor.0 Pid:3984