INFO: task syz-executor.1:5087 blocked for more than 143 seconds.
      Not tainted 6.12.0-next-20241122 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:28544 pid:5087  tgid:5084  ppid:287    flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0xc19/0x2fa0
 schedule+0xdb/0x340
 wb_wait_for_completion+0x187/0x240
 sync_inodes_sb+0x1a8/0x9b0
 sync_inodes_one_sb+0x51/0x60
 iterate_supers+0xd6/0x230
 ksys_sync+0x8a/0x150
 __do_sys_sync+0xe/0x20
 do_syscall_64+0xbf/0x1d0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8495fe2b19
RSP: 002b:00007f8493558188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f84960f5f60 RCX: 00007f8495fe2b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f849603cf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd6aa8645f R14: 00007f8493558300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.1:5091 blocked for more than 143 seconds.
      Not tainted 6.12.0-next-20241122 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:29712 pid:5091  tgid:5084  ppid:287    flags:0x00000004
Call Trace:
 <TASK>
 __schedule+0xc19/0x2fa0
 schedule+0xdb/0x340
 schedule_preempt_disabled+0x10/0x20
 rwsem_down_write_slowpath+0x3a7/0x1190
 down_write+0x1c4/0x1f0
 sync_inodes_sb+0x18e/0x9b0
 sync_inodes_one_sb+0x51/0x60
 iterate_supers+0xd6/0x230
 ksys_sync+0x8a/0x150
 __do_sys_sync+0xe/0x20
 do_syscall_64+0xbf/0x1d0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8495fe2b19
RSP: 002b:00007f8493516188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f84960f60e0 RCX: 00007f8495fe2b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f849603cf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd6aa8645f R14: 00007f8493516300 R15: 0000000000022000
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: ffffffff85c16140 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x70/0x390
3 locks held by kworker/u9:2/38:
 #0: ffff888009828148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x11ff/0x1a00
 #1: ffff88800a31fd90 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x861/0x1a00
 #2: ffff88800bdf0b90 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x1aa/0x810
3 locks held by systemd-journal/96:
 #0: ffff888015c96df0 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x141/0x800
 #1: ffff88800bd664f0 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x180/0x380
 #2: ffff888015138598 (mapping.invalidate_lock){++++}-{4:4}, at: ext4_page_mkwrite+0x34f/0x15e0
3 locks held by kworker/u10:2/108:
 #0: ffff888009828148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x11ff/0x1a00
 #1: ffff88801321fd90 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x861/0x1a00
 #2: ffff88800bdf0b90 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x1aa/0x810
2 locks held by in:imklog/172:
 #0: ffff888015cc02b8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x283/0x3a0
 #1: ffffffff85c16080 (rcu_read_lock_sched){....}-{1:2}, at: __schedule+0x1d3/0x2fa0
2 locks held by syz-executor.1/5087:
 #0: ffff88800bd660e0 (&type->s_umount_key#46){++++}-{4:4}, at: super_lock+0x315/0x3e0
 #1: ffff88800ed827d0 (&bdi->wb_switch_rwsem){++++}-{4:4}, at: sync_inodes_sb+0x18e/0x9b0
2 locks held by syz-executor.1/5091:
 #0: ffff88800bd660e0 (&type->s_umount_key#46){++++}-{4:4}, at: super_lock+0x315/0x3e0
 #1: ffff88800ed827d0 (&bdi->wb_switch_rwsem){++++}-{4:4}, at: sync_inodes_sb+0x18e/0x9b0
3 locks held by kworker/1:2/5104:
 #0: ffff88800a393548 ((wq_completion)inode_switch_wbs){+.+.}-{0:0}, at: process_one_work+0x11ff/0x1a00
 #1: ffff888040d87d90 ((work_completion)(&(&isw->work)->work)){+.+.}-{0:0}, at: process_one_work+0x861/0x1a00
 #2: ffff88800ed827d0 (&bdi->wb_switch_rwsem){++++}-{4:4}, at: inode_switch_wbs_work_fn+0x153/0x1170

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