[EXT4 FS bs=4096, gc=1, bpg=524288, ipg=32, mo=a042e018, mo2=0002]
System zones: 0-5
EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: syz-executor.6/285
Modules linked in:
CPU: 1 UID: 0 PID: 285 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:ffff888016287ce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11002c50fa1 RCX: ffffffff81bf96d3
RDX: ffff888013bd5280 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff88800ec07340 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff888016287d48
R13: 00000000ffffffff R14: ffff88800ec07340 R15: ffff88800ec07428
FS: 0000555579150400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555579159c58 CR3: 0000000045538000 CR4: 0000000000350ef0
Call Trace:
path_umount+0x6e0/0x1100
__x64_sys_umount+0x15c/0x190
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f644d6b5f87
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:00007ffeb94f78f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 000000000000002c RCX: 00007f644d6b5f87
RDX: 00007ffeb94f79ca RSI: 000000000000000a RDI: 00007ffeb94f79c0
RBP: 00007ffeb94f79c0 R08: 00000000ffffffff R09: 00007ffeb94f7790
R10: 0000555579151c7b R11: 0000000000000246 R12: 00007f644d70e105
R13: 00007ffeb94f8a80 R14: 0000555579151c20 R15: 00007ffeb94f8ac0
irq event stamp: 244471
hardirqs last enabled at (244481): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (244490): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (244126): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (244117): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
------------[ cut here ]------------
WARNING: fs/ext4/super.c:1322 at ext4_put_super+0xbe7/0xf30, CPU#0: syz-executor.4/279
Modules linked in:
CPU: 0 UID: 0 PID: 279 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:ext4_put_super+0xbe7/0xf30
Code: 7c ff 48 8d bd 00 02 00 00 e8 75 aa 66 00 31 ff 49 89 c4 48 89 c6 e8 08 c9 7c ff 4d 85 e4 0f 84 ff f9 ff ff e8 9a cd 7c ff 90 <0f> 0b 90 e9 f1 f9 ff ff e8 8c cd 7c ff 4c 89 ef e8 b4 09 4b ff c7
RSP: 0018:ffff888017b57d08 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8880174e8000 RCX: ffffffff81f719d8
RDX: ffff8880163d1b80 RSI: ffffffff81f719e6 RDI: 0000000000000007
RBP: ffff8880172f6000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffffffffffff R11: 0000000000000001 R12: ffffffffffffffff
R13: 0000000000000001 R14: ffff8880174e8618 R15: 0000000000000000
FS: 00005555893b8400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cd27000 CR3: 000000003efce000 CR4: 0000000000350ef0
Call Trace:
generic_shutdown_super+0x15a/0x4a0
kill_block_super+0x3b/0x90
ext4_kill_sb+0x6c/0xb0
deactivate_locked_super+0xbf/0x1a0
deactivate_super+0xb1/0xd0
cleanup_mnt+0x2df/0x430
task_work_run+0x172/0x280
exit_to_user_mode_loop+0xef/0x110
do_syscall_64+0x2f7/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f70f0f19f87
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:00007ffd9f9bf3d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 000000000000004d RCX: 00007f70f0f19f87
RDX: 00007ffd9f9bf4aa RSI: 000000000000000a RDI: 00007ffd9f9bf4a0
RBP: 00007ffd9f9bf4a0 R08: 00000000ffffffff R09: 00007ffd9f9bf270
R10: 00005555893b9c7b R11: 0000000000000246 R12: 00007f70f0f72105
R13: 00007ffd9f9c0560 R14: 00005555893b9c20 R15: 00007ffd9f9c05a0
irq event stamp: 303627
hardirqs last enabled at (303635): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (303644): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (303598): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (303593): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
Bluetooth: hci1: command 0x0406 tx timeout
Bluetooth: hci2: command 0x0406 tx timeout
Bluetooth: hci4: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci7: command 0x0406 tx timeout
Bluetooth: hci6: command 0x0406 tx timeout
Bluetooth: hci3: command 0x0406 tx timeout
Bluetooth: hci0: command 0x0406 tx timeout
loop4: detected capacity change from 0 to 4096
[EXT4 FS bs=4096, gc=1, bpg=524288, ipg=32, mo=a042e018, mo2=0002]
System zones: 0-5
EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.