FAT-fs (loop1): bogus sectors per cluster 6
FAT-fs (loop1): Can't find a valid FAT filesystem
9pnet_fd: Insufficient options for proto=fd
loop0: detected capacity change from 0 to 16
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: syz-executor.4/4069
Modules linked in:
CPU: 1 UID: 0 PID: 4069 Comm: syz-executor.4 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:ffff8880161b7878 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 1ffff11002c36f14 RCX: ffffc90000a8f000
RDX: 0000000000040000 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff88801e0f4000 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff8880161b78e0
R13: 00000000ffffffff R14: dead000000000100 R15: ffff88801e0f4000
FS: 00007fd5bdf57700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559adbf9b080 CR3: 000000000b92f000 CR4: 0000000000350ef0
Call Trace:
namespace_unlock+0x7f1/0x810
put_mnt_ns+0xf5/0x120
free_nsproxy+0x3a/0x400
switch_task_namespaces+0xe2/0x100
copy_process+0x26c8/0x73c0
kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd5c09e1b19
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:00007fd5bdf57188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fd5c0af4f60 RCX: 00007fd5c09e1b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020001300
RBP: 00007fd5c0a3bf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd7e92b60f R14: 00007fd5bdf57300 R15: 0000000000022000
irq event stamp: 2721
hardirqs last enabled at (2729): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2738): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (2718): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (2711): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
ext4: Unknown parameter 'fÍ룰-F¡¿ŽÊ›'
kmemleak: Found object by alias at 0x607f1a639738
CPU: 1 UID: 0 PID: 4063 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:
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: 0033:0x7f260d671b19
Code: Unable to access opcode bytes at 0x7f260d671aef.
RSP: 002b:00007f260abe7218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f260d784f68 RCX: 00007f260d671b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f260d784f68
RBP: 00007f260d784f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f260d784f6c
R13: 00007ffc572ad6cf R14: 00007f260abe7300 R15: 0000000000022000
kmemleak: Object (percpu) 0x607f1a639734 (size 8):
kmemleak: comm "syz-executor.4", pid 4069, jiffies 4294824176
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
alloc_vfsmnt+0x135/0x6e0
clone_mnt+0x6c/0xb70
copy_tree+0x34b/0xaf0
copy_mnt_ns+0x1ab/0xab0
create_new_namespaces+0xd6/0xab0
copy_namespaces+0x45c/0x580
copy_process+0x2649/0x73c0
kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
faux_driver regulatory: Direct firmware load for regulatory.db failed with error -2
random: crng reseeded on system resumption
audit: type=1326 audit(1756677153.758:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4086 comm="syz-executor.0" exe="/syz-executor.0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f67351a2b19 code=0x0
random: crng reseeded on system resumption
faux_driver regulatory: Direct firmware load for regulatory.db failed with error -2
loop7: detected capacity change from 0 to 736
ISOFS: Unable to identify CD-ROM format.
capability: warning: `syz-executor.1' uses deprecated v2 capabilities in a way that may be insecure
program syz-executor.1 is using a deprecated SCSI ioctl, please convert it to SG_IO
program syz-executor.1 is using a deprecated SCSI ioctl, please convert it to SG_IO
random: crng reseeded on system resumption
random: crng reseeded on system resumption
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
audit: type=1326 audit(1756677154.593:13): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4086 comm="syz-executor.0" exe="/syz-executor.0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f67351a2b19 code=0x0
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
loop2: detected capacity change from 0 to 264192
Bluetooth: Unexpected continuation frame (len 20)
Bluetooth: hci2: ACL packet for unknown connection handle 45
Bluetooth: hci2: ACL packet for unknown connection handle 512
loop2: detected capacity change from 0 to 24576
nfs: Unknown parameter '#]'
loop2: detected capacity change from 0 to 264192
loop2: detected capacity change from 0 to 264192
UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
loop2: detected capacity change from 0 to 24576
nfs: Unknown parameter '#]'
loop2: detected capacity change from 0 to 264192
loop3: detected capacity change from 0 to 64
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
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
loop7: detected capacity change from 0 to 512
ext3: Bad value for 'debug_want_extra_isize'
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext3: Bad value for 'debug_want_extra_isize'
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
Bluetooth: Unexpected continuation frame (len 20)
Bluetooth: hci2: ACL packet for unknown connection handle 45
Bluetooth: hci2: ACL packet for unknown connection handle 512