INFO: task syz-executor:5789 blocked for more than 143 seconds.
      Not tainted 6.6.102-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21736 pid:5789  ppid:1      flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5380 [inline]
 __schedule+0x14d2/0x44d0 kernel/sched/core.c:6699
 schedule+0xbd/0x170 kernel/sched/core.c:6773
 io_schedule+0x80/0xd0 kernel/sched/core.c:9022
 folio_wait_bit_common+0x6eb/0xf70 mm/filemap.c:1329
 __filemap_get_folio+0xbc/0xbc0 mm/filemap.c:1910
 truncate_inode_pages_range+0x40a/0xf00 mm/truncate.c:376
 evict+0x499/0x870 fs/inode.c:707
 dispose_list fs/inode.c:738 [inline]
 evict_inodes+0x5fe/0x690 fs/inode.c:792
 generic_shutdown_super+0x97/0x2b0 fs/super.c:672
 kill_block_super+0x44/0x90 fs/super.c:1660
 deactivate_locked_super+0x97/0x100 fs/super.c:481
 cleanup_mnt+0x429/0x4c0 fs/namespace.c:1250
 task_work_run+0x1ce/0x250 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f640378ff17
RSP: 002b:00007ffd8ce4a4c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f6403811c05 RCX: 00007f640378ff17
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd8ce4a580
RBP: 00007ffd8ce4a580 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd8ce4b610
R13: 00007f6403811c05 R14: 00000000000624a1 R15: 00007ffd8ce4b650
 </TASK>

Showing all locks held in the system:
1 lock held by ksoftirqd/1/22:
 #0: ffff8880b8f3c458 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
1 lock held by khungtaskd/29:
 #0: ffffffff8cd2fbe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
 #0: ffffffff8cd2fbe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:786 [inline]
 #0: ffffffff8cd2fbe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290 kernel/locking/lockdep.c:6633
2 locks held by getty/5553:
 #0: ffff888031e800a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x425/0x1380 drivers/tty/n_tty.c:2217
1 lock held by syz-executor/5789:
 #0: ffff88807dd500e0 (&type->s_umount_key#89){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline]
 #0: ffff88807dd500e0 (&type->s_umount_key#89){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
 #0: ffff88807dd500e0 (&type->s_umount_key#89){+.+.}-{3:3}, at: deactivate_super+0xa4/0xe0 fs/super.c:513

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x39b/0x3d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x17a/0x2f0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xf41/0xf80 kernel/hung_task.c:379
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 25171 Comm: syz.3.5579 Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:trace_hardirqs_on+0x28/0x40 kernel/trace/trace_preemptirq.c:62
Code: 00 00 f3 0f 1e fa 65 8b 05 ed 5b 77 7e 85 c0 74 14 48 8b 3c 24 e8 08 ff ff ff 65 c7 05 d5 5b 77 7e 00 00 00 00 e8 c8 d8 da ff <48> 8b 3c 24 e9 ef 59 e1 08 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44
RSP: 0018:ffffc9000c7179d8 EFLAGS: 00000046
RAX: 401f0851ed1a9e00 RBX: 0000000000000002 RCX: 401f0851ed1a9e00
RDX: dffffc0000000000 RSI: ffffffff8aaacb40 RDI: ffffffff8afc66c0
RBP: 00000000ffffffff R08: ffffffff8e4a882f R09: 1ffffffff1c95105
R10: dffffc0000000000 R11: fffffbfff1c95106 R12: ffff88807cda1e00
R13: ffffffff81dbfa92 R14: 0000000000000001 R15: ffff88807cda3110
FS:  00007fb58d7396c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4c55d84198 CR3: 000000004e5ca000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline]
 read_mems_allowed_begin include/linux/cpuset.h:146 [inline]
 get_any_partial mm/slub.c:2373 [inline]
 get_partial mm/slub.c:2415 [inline]
 ___slab_alloc+0xbec/0x12f0 mm/slub.c:3225
 __slab_alloc mm/slub.c:3329 [inline]
 __slab_alloc_node mm/slub.c:3382 [inline]
 slab_alloc_node mm/slub.c:3475 [inline]
 __kmem_cache_alloc_node+0x1a2/0x260 mm/slub.c:3524
 kmalloc_trace+0x2a/0xe0 mm/slab_common.c:1098
 kmalloc include/linux/slab.h:600 [inline]
 audit_log_d_path+0xb5/0x190 kernel/audit.c:2150
 audit_log_d_path_exe+0x45/0x70 kernel/audit.c:2221
 audit_log_task+0x210/0x2e0 kernel/auditsc.c:2963
 audit_seccomp+0x85/0x180 kernel/auditsc.c:3010
 seccomp_log kernel/seccomp.c:1003 [inline]
 __seccomp_filter+0x18e2/0x1ba0 kernel/seccomp.c:1324
 syscall_trace_enter+0xa7/0x150 kernel/entry/common.c:72
 do_syscall_64+0x28/0xb0 arch/x86/entry/common.c:77
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb58c98ebe9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb58d7390e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007fb58cbb5fa8 RCX: 00007fb58c98ebe9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb58cbb5fa8
RBP: 00007fb58cbb5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb58cbb6038 R14: 00007ffc775f8140 R15: 00007ffc775f8228
 </TASK>