------------[ cut here ]------------
WARNING: fs/namespace.c:1375 at cleanup_mnt+0x33f/0x430, CPU#0: syz-executor.6/4066
Modules linked in:
CPU: 0 UID: 0 PID: 4066 Comm: syz-executor.6 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:cleanup_mnt+0x33f/0x430
Code: c7 20 49 d1 85 e8 41 b3 fa 02 49 8d 7d 40 5b 48 c7 c6 d0 fa be 81 5d 41 5c 41 5d 41 5e 41 5f e9 97 9a 9c ff e8 f2 3c b4 ff 90 <0f> 0b 90 e9 e6 fc ff ff e8 e4 3c b4 ff 4c 89 ef e8 6c d7 06 00 e9
RSP: 0018:ffff8880162b7af8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000009 RCX: ffffffff81bfb6a5
RDX: ffff88801786d280 RSI: ffffffff81bfb9be RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000009 R11: 0000000000000001 R12: ffff88801786db58
R13: ffff88801dfcefc0 R14: 0000000000000001 R15: ffff88801dfcf000
FS:  0000000000000000(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556364f708 CR3: 0000000045472000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 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:00007f8ff56ef190 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f8ff828cf60 RCX: 00007f8ff8179b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200002c0
RBP: 00007f8ff81d3f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc1741755f R14: 00007f8ff56ef300 R15: 0000000000022000
 </TASK>
irq event stamp: 481
hardirqs last  enabled at (487): [<ffffffff8154bfc0>] vprintk_emit+0x5f0/0x630
hardirqs last disabled at (492): [<ffffffff8154bf51>] vprintk_emit+0x581/0x630
softirqs last  enabled at (186): [<ffffffff813bafcc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (175): [<ffffffff813bb364>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
kmemleak: Automatic memory scanning thread ended
audit: type=1400 audit(1756729629.849:11): avc:  denied  { write } for  pid=4108 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
loop7: detected capacity change from 0 to 32767
loop7: detected capacity change from 0 to 32767
loop7: detected capacity change from 0 to 32767
loop0: detected capacity change from 0 to 592
loop7: detected capacity change from 0 to 32767
audit: type=1400 audit(1756729635.052:12): avc:  denied  { tracepoint } for  pid=4329 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
Bluetooth: hci1: unexpected event 0x07 length: 4 < 255
Bluetooth: hci1: unexpected event 0x07 length: 4 < 255
loop3: detected capacity change from 0 to 6
FAT-fs (loop3): Directory bread(block 6) failed
FAT-fs (loop3): Directory bread(block 7) failed
FAT-fs (loop3): Directory bread(block 8) failed
FAT-fs (loop3): Directory bread(block 9) failed
kernel write not supported for file /snd/seq (pid: 23 comm: kworker/1:0)
kernel write not supported for file /snd/seq (pid: 23 comm: kworker/1:0)
loop3: detected capacity change from 0 to 6
FAT-fs (loop3): Directory bread(block 6) failed
FAT-fs (loop3): Directory bread(block 7) failed
kernel write not supported for file /snd/seq (pid: 58 comm: kworker/0:2)
FAT-fs (loop3): Directory bread(block 8) failed
FAT-fs (loop3): Directory bread(block 9) failed
loop3: detected capacity change from 0 to 6
FAT-fs (loop3): Directory bread(block 6) failed
FAT-fs (loop3): Directory bread(block 7) failed
FAT-fs (loop3): Directory bread(block 8) failed
FAT-fs (loop3): Directory bread(block 9) failed
kernel write not supported for file /snd/seq (pid: 58 comm: kworker/0:2)
kernel write not supported for file /snd/seq (pid: 23 comm: kworker/1:0)
audit: type=1400 audit(1756729636.682:13): avc:  denied  { add_name } for  pid=4440 comm="syz-executor.7" name="4445" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dir permissive=1
loop3: detected capacity change from 0 to 6
=======================================================
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
audit: type=1400 audit(1756729636.683:14): avc:  denied  { create } for  pid=4440 comm="syz-executor.7" name="4445" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:kernel_t:s0 tclass=file permissive=1
FAT-fs (loop3): Directory bread(block 6) failed
FAT-fs (loop3): Directory bread(block 7) failed
FAT-fs (loop3): Directory bread(block 8) failed
FAT-fs (loop3): Directory bread(block 9) failed
Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#1] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197]
CPU: 1 UID: 0 PID: 4597 Comm: syz-executor.4 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:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff8880109277c0 EFLAGS: 00010212
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002
RDX: ffff8880168bb700 RSI: ffffffff8189a4e7 RDI: 0000000100000190
RBP: ffff888010927a30 R08: ffff88806cf31340 R09: ffffe8ffffd16698
R10: 0000000000000000 R11: 000000000000002c R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806cf31340 R15: dffffc0000000000
FS:  000055556364f400(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555563650c18 CR3: 000000000dcd8000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 perf_trace_run_bpf_submit+0xef/0x180
 perf_trace_lock_acquire+0x3c2/0x700
 lock_acquire+0xc5/0x2f0
 futex_private_hash_put+0x5d/0x2d0
 futex_hash_put+0x3f/0x50
 futex_wake+0x1bb/0x540
 do_futex+0x26d/0x370
 __x64_sys_futex+0x1c9/0x4d0
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f58d3c7ab19
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:00007ffc2403f188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f58d3c7ab19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f58d3d8df68
RBP: 00007f58d3d8df60 R08: 00007f58d11f0700 R09: 0000000000000000
R10: 00007f58d11f0700 R11: 0000000000000246 R12: 00007f58d3d92a68
R13: 00007ffc2403f290 R14: 00007f58d3d8df60 R15: 000000000002094d
 </TASK>
Modules linked in:
Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#2] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197]
CPU: 1 UID: 0 PID: 4597 Comm: syz-executor.4 Tainted: G      D W           6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) 
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88806cf08a80 EFLAGS: 00010012
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002
RDX: ffff8880168bb700 RSI: ffffffff8189a4e7 RDI: 0000000100000190
RBP: ffff88806cf08cf0 R08: ffff88806cf31490 R09: ffffe8ffffd16698
R10: 0000000000000000 R11: 000000000000002c R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806cf31490 R15: dffffc0000000000
FS:  000055556364f400(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555563650c18 CR3: 000000000dcd8000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 perf_trace_run_bpf_submit+0xef/0x180
 perf_trace_lock_acquire+0x3c2/0x700
 lock_acquire+0xc5/0x2f0
 _raw_spin_lock_irqsave+0x3a/0x60
 hrtimer_interrupt+0xd6/0x830
 __sysvec_apic_timer_interrupt+0xbb/0x330
 sysvec_apic_timer_interrupt+0x6b/0x80
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:oops_exit+0x0/0x50
Code: 00 3a 00 be ff ff ff ff 48 c7 c7 50 b4 43 86 e8 c6 0f f9 ff 5b e9 50 00 3a 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 53 e8 36 00 3a 00 8b 1d c0 3d 4f 06 31 ff 89 de e8 57
RSP: 0018:ffff888010927650 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000293 RCX: ffffffff8139f06f
RDX: ffff8880168bb700 RSI: ffffffff812a3dca RDI: 0000000000000007
RBP: 000000000000000b R08: 0000000000000001 R09: fffffbfff0f12690
R10: 0000000000000000 R11: 000000000000002c R12: ffff888010927718
R13: 0000000000000000 R14: dffffc0020000032 R15: 0000000000000000
 oops_end+0x65/0xe0
 exc_general_protection+0x1a2/0x330
 asm_exc_general_protection+0x26/0x30
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff8880109277c0 EFLAGS: 00010212
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002
RDX: ffff8880168bb700 RSI: ffffffff8189a4e7 RDI: 0000000100000190
RBP: ffff888010927a30 R08: ffff88806cf31340 R09: ffffe8ffffd16698
R10: 0000000000000000 R11: 000000000000002c R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806cf31340 R15: dffffc0000000000
 perf_trace_run_bpf_submit+0xef/0x180
 perf_trace_lock_acquire+0x3c2/0x700
 lock_acquire+0xc5/0x2f0
 futex_private_hash_put+0x5d/0x2d0
 futex_hash_put+0x3f/0x50
 futex_wake+0x1bb/0x540
 do_futex+0x26d/0x370
 __x64_sys_futex+0x1c9/0x4d0
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f58d3c7ab19
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:00007ffc2403f188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f58d3c7ab19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f58d3d8df68
RBP: 00007f58d3d8df60 R08: 00007f58d11f0700 R09: 0000000000000000
R10: 00007f58d11f0700 R11: 0000000000000246 R12: 00007f58d3d92a68
R13: 00007ffc2403f290 R14: 00007f58d3d8df60 R15: 000000000002094d
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff8880109277c0 EFLAGS: 00010212
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002
RDX: ffff8880168bb700 RSI: ffffffff8189a4e7 RDI: 0000000100000190
RBP: ffff888010927a30 R08: ffff88806cf31340 R09: ffffe8ffffd16698
R10: 0000000000000000 R11: 000000000000002c R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806cf31340 R15: dffffc0000000000
FS:  000055556364f400(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555563650c18 CR3: 000000000dcd8000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	df 48 89             	fisttps -0x77(%rax)
   3:	85 a8 fd ff ff 48    	test   %ebp,0x48fffffd(%rax)
   9:	c1 e8 03             	shr    $0x3,%eax
   c:	4c 01 e0             	add    %r12,%rax
   f:	48 89 85 c8 fd ff ff 	mov    %rax,-0x238(%rbp)
  16:	e8 c9 51 ea ff       	callq  0xffea51e4
  1b:	48 8d bb f0 01 00 00 	lea    0x1f0(%rbx),%rdi
  22:	48 89 f8             	mov    %rdi,%rax
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	74 08                	je     0x3a
  32:	3c 03                	cmp    $0x3,%al
  34:	0f 8e c5 0b 00 00    	jle    0xbff
  3a:	44                   	rex.R
  3b:	8b                   	.byte 0x8b
  3c:	ab                   	stos   %eax,%es:(%rdi)
  3d:	f0                   	lock
  3e:	01                   	.byte 0x1