FAT-fs (loop7): Directory bread(block 6) failed
FAT-fs (loop7): Directory bread(block 7) failed
FAT-fs (loop7): Directory bread(block 8) failed
FAT-fs (loop7): Directory bread(block 9) failed
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.6/294
Modules linked in:
CPU: 0 UID: 0 PID: 294 Comm: syz-executor.6 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:ffff88801638fce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11002c71fa1 RCX: ffffffff81bf96d3
RDX: ffff88800eaed280 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff88801dc57880 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88801638fd48
R13: 00000000ffffffff R14: ffff88801dc57880 R15: ffff88801dc57968
FS:  0000555565d98400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555565da1c58 CR3: 0000000045c17000 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: 0033:0x7fef5c67cf87
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:00007ffd1eff5fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 0000000000000018 RCX: 00007fef5c67cf87
RDX: 00007ffd1eff60b9 RSI: 000000000000000a RDI: 00007ffd1eff60b0
RBP: 00007ffd1eff60b0 R08: 00000000ffffffff R09: 00007ffd1eff5e80
R10: 0000555565d99c7b R11: 0000000000000246 R12: 00007fef5c6d5105
R13: 00007ffd1eff7170 R14: 0000555565d99c20 R15: 00007ffd1eff71b0
 </TASK>
irq event stamp: 184369
hardirqs last  enabled at (184379): [<ffffffff81541b18>] __up_console_sem+0x78/0x80
hardirqs last disabled at (184388): [<ffffffff81541afd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (184292): [<ffffffff813bafcc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (184281): [<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
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
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
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
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
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
Bluetooth: hci6: unexpected event for opcode 0x2012
loop4: detected capacity change from 0 to 136
Bluetooth: hci6: unexpected event for opcode 0x041c
Bluetooth: hci6: SCO packet for unknown connection handle 200
Bluetooth: hci6: SCO packet for unknown connection handle 201
isofs_fill_super: get root inode failed
loop4: detected capacity change from 0 to 136
isofs_fill_super: get root inode failed
kmemleak: Found object by alias at 0x607f1a6386c4
CPU: 0 UID: 0 PID: 4148 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
Call Trace:
 <TASK>
 dump_stack_lvl+0xca/0x120
 __lookup_object+0x94/0xb0
 delete_object_full+0x27/0x70
 free_percpu+0x30/0x1160
 futex_hash_free+0x38/0xc0
 mmput+0x2d3/0x390
 do_exit+0x79d/0x2970
 do_group_exit+0xd3/0x2a0
 get_signal+0x2315/0x2340
 arch_do_signal_or_restart+0x80/0x790
 exit_to_user_mode_loop+0x8b/0x110
 do_syscall_64+0x2f7/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7723d0eb19
Code: Unable to access opcode bytes at 0x7f7723d0eaef.
RSP: 002b:00007f7721242218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f7723e220e8 RCX: 00007f7723d0eb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7723e220e8
RBP: 00007f7723e220e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7723e220ec
R13: 00007ffdb5b4b22f R14: 00007f7721242300 R15: 0000000000022000
 </TASK>
kmemleak: Object (percpu) 0x607f1a6386c0 (size 8):
kmemleak:   comm "syz-executor.5", pid 4145, jiffies 4294839605
kmemleak:   min_count = 1
kmemleak:   count = 0
kmemleak:   flags = 0x21
kmemleak:   checksum = 0
kmemleak:   backtrace:
 pcpu_alloc_noprof+0x87a/0x1170
 alloc_vfsmnt+0x135/0x6e0
 vfs_create_mount.part.0+0x40/0x440
 fc_mount_longterm+0x126/0x160
 mq_init_ns+0x42e/0x630
 copy_ipcs+0x38d/0x630
 create_new_namespaces+0x210/0xab0
 copy_namespaces+0x45c/0x580
 copy_process+0x2649/0x73c0
 kernel_clone+0xea/0x7f0
 __do_sys_clone+0xce/0x120
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
kmemleak: Cannot insert 0x607f1a6386c4 into the object search tree (overlaps existing)
CPU: 0 UID: 0 PID: 4145 Comm: syz-executor.5 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
Call Trace:
 <TASK>
 dump_stack_lvl+0xca/0x120
 __link_object+0x190/0x210
 __create_object+0x48/0x80
 pcpu_alloc_noprof+0x87a/0x1170
 alloc_netdev_mqs+0x131/0x1360
 sit_init_net+0x19e/0x630
 ops_init+0x1e1/0x650
 setup_net+0x10d/0x320
 copy_net_ns+0x2e3/0x650
 create_new_namespaces+0x3f6/0xab0
 copy_namespaces+0x45c/0x580
 copy_process+0x2649/0x73c0
 kernel_clone+0xea/0x7f0
 __do_sys_clone+0xce/0x120
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efe81be0b19
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:00007efe7f156188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007efe81cf3f60 RCX: 00007efe81be0b19
RDX: 0000000020000080 RSI: 0000000000000000 RDI: 000000004c01f900
RBP: 00007efe81c3af6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffde5d11e9f R14: 00007efe7f156300 R15: 0000000000022000
 </TASK>
kmemleak: Kernel memory leak detector disabled
kmemleak: Object (percpu) 0x607f1a6386c0 (size 8):
kmemleak:   comm "syz-executor.5", pid 4145, jiffies 4294839605
kmemleak:   min_count = 1
kmemleak:   count = 0
kmemleak:   flags = 0x21
kmemleak:   checksum = 0
kmemleak:   backtrace:
 pcpu_alloc_noprof+0x87a/0x1170
 alloc_vfsmnt+0x135/0x6e0
 vfs_create_mount.part.0+0x40/0x440
 fc_mount_longterm+0x126/0x160
 mq_init_ns+0x42e/0x630
 copy_ipcs+0x38d/0x630
 create_new_namespaces+0x210/0xab0
 copy_namespaces+0x45c/0x580
 copy_process+0x2649/0x73c0
 kernel_clone+0xea/0x7f0
 __do_sys_clone+0xce/0x120
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
kmemleak: Automatic memory scanning thread ended
Bluetooth: hci6: unexpected event for opcode 0x2012
Bluetooth: hci6: unexpected event for opcode 0x041c
Bluetooth: hci6: SCO packet for unknown connection handle 200
Bluetooth: hci6: SCO packet for unknown connection handle 201
------------[ cut here ]------------
WARNING: fs/namespace.c:1375 at cleanup_mnt+0x33f/0x430, CPU#1: kworker/1:1/39
Modules linked in:
CPU: 1 UID: 0 PID: 39 Comm: kworker/1:1 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
Workqueue: events free_ipc
RIP: 0010:cleanup_mnt+0x33f/0x430
Code: c7 a0 45 d1 85 e8 01 7c fa 02 49 8d 7d 40 5b 48 c7 c6 10 e2 be 81 5d 41 5c 41 5d 41 5e 41 5f e9 57 b3 9c ff e8 82 46 b4 ff 90 <0f> 0b 90 e9 e6 fc ff ff e8 74 46 b4 ff 4c 89 ef e8 6c d7 06 00 e9
RSP: 0018:ffff888009cf7b10 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000007 RCX: ffffffff81bf9de5
RDX: ffff888009ce8000 RSI: ffffffff81bfa0fe RDI: 0000000000000005
RBP: ffff88801dc57880 R08: 0000000000000000 R09: fffffbfff0b42d07
R10: 0000000000000007 R11: 0000000000000001 R12: 0000000000004000
R13: ffff88801dc57880 R14: ffff88801dc578e0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe3a67281f0 CR3: 000000000c00c000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 mntput_no_expire+0xa98/0xbe0
 mntput+0x6b/0x90
 free_ipc+0x179/0x2b0
 process_one_work+0x8e1/0x19c0
 worker_thread+0x67e/0xe90
 kthread+0x3c8/0x740
 ret_from_fork+0x34b/0x430
 ret_from_fork_asm+0x1a/0x30
 </TASK>
irq event stamp: 310485
hardirqs last  enabled at (310495): [<ffffffff81541b18>] __up_console_sem+0x78/0x80
hardirqs last disabled at (310504): [<ffffffff81541afd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (310338): [<ffffffff813bafcc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (310329): [<ffffffff813bb364>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---