INFO: task kworker/u32:3:60 blocked for more than 143 seconds.
      Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u32:3   state:D
 stack:22024 pid:60    tgid:60    ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: writeback wb_workfn
 (flush-7:0)

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1190/0x5de0 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:7058
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7115
 __mutex_lock_common kernel/locking/mutex.c:676 [inline]
 __mutex_lock+0x82a/0x10b0 kernel/locking/mutex.c:760
 hfsplus_find_init+0x17b/0x1f0 fs/hfsplus/bfind.c:28
 hfsplus_cat_write_inode+0x255/0x7e0 fs/hfsplus/inode.c:592
 hfsplus_write_inode fs/hfsplus/super.c:161 [inline]
 hfsplus_write_inode+0x91/0x4f0 fs/hfsplus/super.c:148
 write_inode fs/fs-writeback.c:1525 [inline]
 __writeback_single_inode+0xb3b/0xfb0 fs/fs-writeback.c:1745
 writeback_sb_inodes+0x60d/0xfa0 fs/fs-writeback.c:1976
 __writeback_inodes_wb+0xf8/0x2d0 fs/fs-writeback.c:2047
 wb_writeback+0x7f3/0xb70 fs/fs-writeback.c:2158
 wb_check_old_data_flush fs/fs-writeback.c:2262 [inline]
 wb_do_writeback fs/fs-writeback.c:2315 [inline]
 wb_workfn+0x8ca/0xbe0 fs/fs-writeback.c:2343
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/41:
 #0: ffffffff8e5c11e0 (rcu_read_lock
){....}-{1:3}
, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6775
4 locks held by kworker/u32:3/60:
 #0: ffff88801e2e4148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3211
 #1: ffffc90000adfd10
 ((work_completion)(&(&wb->dwork)->work)
){+.+.}-{0:0}
, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3212
 #2: 
ffff888029ab00e0
 (&type->s_umount_key
#66
){.+.+}-{4:4}
, at: super_trylock_shared+0x1e/0xf0 fs/super.c:563
 #3: ffff8880260f00b0
 (&tree->tree_lock
){+.+.}-{4:4}
, at: hfsplus_find_init+0x17b/0x1f0 fs/hfsplus/bfind.c:28
2 locks held by getty/5766:
 #0: 
ffff8880268090a0
 (
&tty->ldisc_sem
){++++}-{0:0}
, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
 #1: 
ffffc900033f32f0
 (
&ldata->atomic_read_lock
){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 drivers/tty/n_tty.c:2222
8 locks held by syz-executor.0/6168:
1 lock held by syz-executor.0/23933:

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

NMI backtrace for cpu 2
CPU: 2 UID: 0 PID: 41 Comm: khungtaskd Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline]
 watchdog+0xf0e/0x1260 kernel/hung_task.c:491
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 2 to CPUs 0-1,3:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 23934 Comm: syz-executor.0 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:unwind_next_frame+0xff1/0x20a0 arch/x86/kernel/unwind_orc.c:672
Code: b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 56 10 00 00 41 39 5d 00 0f 84 10 06 00 00 <bd> 01 00 00 00 e9 de f3 ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89
RSP: 0018:ffffc9002792f588 EFLAGS: 00000283
RAX: ffffc90027930001 RBX: ffffc9002792f648 RCX: ffffc90027930001
RDX: ffffc9002792f650 RSI: ffffc9002792f618 RDI: ffffc9002792f658
RBP: ffffc90027928000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000006b0a R12: ffffc9002792f698
R13: ffffc9002792f648 R14: ffffc9002792f648 R15: ffffc9002792f67c
FS:  000055557c28b480(0000) GS:ffff8880d66bd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc301cd66e4 CR3: 0000000047bea000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __unwind_start+0x45f/0x7f0 arch/x86/kernel/unwind_orc.c:758
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0x73/0x100 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:388 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:405
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4365 [inline]
 __kmalloc_noprof+0x223/0x510 mm/slub.c:4377
 kmalloc_noprof include/linux/slab.h:909 [inline]
 kmalloc_array_noprof include/linux/slab.h:948 [inline]
 security_inode_init_security+0x13f/0x390 security/security.c:1829
 __ext4_new_inode+0x402a/0x4f00 fs/ext4/ialloc.c:1325
 ext4_symlink+0x462/0xde0 fs/ext4/namei.c:3392
 vfs_symlink fs/namei.c:4730 [inline]
 vfs_symlink+0x400/0x680 fs/namei.c:4714
 do_symlinkat+0x261/0x310 fs/namei.c:4756
 __do_sys_symlinkat fs/namei.c:4772 [inline]
 __se_sys_symlinkat fs/namei.c:4769 [inline]
 __x64_sys_symlinkat+0x93/0xc0 fs/namei.c:4769
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc30107d527
Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe780db608 EFLAGS: 00000202 ORIG_RAX: 000000000000010a
RAX: ffffffffffffffda RBX: 00007ffe780db6d0 RCX: 00007fc30107d527
RDX: 00007fc3010ca53c RSI: 00000000ffffff9c RDI: 00007ffe780db6d0
RBP: 0000000000000001 R08: 0000000000000013 R09: 00007ffe780db357
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
 </TASK>
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6168 Comm: syz-executor.0 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:io_serial_in+0x87/0xb0 drivers/tty/serial/8250/8250_port.c:401
Code: 90 57 fc 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1a 66 03 5d 40 89 da ec <5b> 0f b6 c0 5d 41 5c c3 cc cc cc cc e8 28 e8 bd fc eb a2 e8 b1 e8
RSP: 0018:ffffc9000323f338 EFLAGS: 00000006
RAX: dffffc0000000005 RBX: 00000000000003f9 RCX: 0000000000000000
RDX: 00000000000003f9 RSI: ffffffff85640290 RDI: ffffffff9b10cfa0
RBP: ffffffff9b10cf60 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff9b10cfb0 R14: ffffffff9b10cf60 R15: ffffffff9b10d220
FS:  00007f47472bd6c0(0000) GS:ffff8880d67bd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc2f7e7fc00 CR3: 000000002537e000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 serial_port_in include/linux/serial_core.h:793 [inline]
 serial8250_console_write+0x246/0x1890 drivers/tty/serial/8250/8250_port.c:3360
 console_emit_next_record kernel/printk/printk.c:3138 [inline]
 console_flush_all+0x7fe/0xc60 kernel/printk/printk.c:3226
 __console_flush_and_unlock kernel/printk/printk.c:3285 [inline]
 console_unlock+0xd8/0x210 kernel/printk/printk.c:3325
 vprintk_emit+0x418/0x6d0 kernel/printk/printk.c:2450
 _printk+0xc7/0x100 kernel/printk/printk.c:2475
 is_bnode_offset_valid fs/hfsplus/bnode.c:27 [inline]
 hfsplus_bnode_read+0x4b9/0x690 fs/hfsplus/bnode.c:69
 hfsplus_bnode_read_u16 fs/hfsplus/bnode.c:101 [inline]
 hfsplus_bnode_dump+0x13f/0x3c0 fs/hfsplus/bnode.c:403
 hfsplus_brec_remove+0x3d2/0x4e0 fs/hfsplus/brec.c:229
 __hfsplus_delete_attr+0x2a0/0x3b0 fs/hfsplus/attributes.c:299
 hfsplus_delete_all_attrs+0x26f/0x330 fs/hfsplus/attributes.c:378
 hfsplus_delete_cat+0x851/0xde0 fs/hfsplus/catalog.c:425
 hfsplus_unlink+0x212/0x7f0 fs/hfsplus/dir.c:385
 vfs_unlink+0x2fe/0x9b0 fs/namei.c:4586
 do_unlinkat+0x4c5/0x6a0 fs/namei.c:4650
 __do_sys_unlink fs/namei.c:4696 [inline]
 __se_sys_unlink fs/namei.c:4694 [inline]
 __x64_sys_unlink+0xc5/0x110 fs/namei.c:4694
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f474647dda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f47472bd0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 00007f47465abf80 RCX: 00007f474647dda9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 00007f47464ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f47465abf80 R15: 00007ffebb6c7c18
 </TASK>
NMI backtrace for cpu 3
CPU: 3 UID: 0 PID: 5364 Comm: klogd Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:memcpy+0xe/0x20 arch/x86/lib/memcpy_64.S:39
Code: 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 48 89 f8 48 89 d1 f3 a4 <e9> cd e8 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90
RSP: 0018:ffffc900233a78b0 EFLAGS: 00000202
RAX: ffffc900233a7b8b RBX: ffffffff8badfc21 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff8badfc21 RDI: ffffc900233a7b8c
RBP: ffffc900233a7990 R08: 0000000000000001 R09: fffff52004674f71
R10: ffffc900233a7b8b R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff8badfc20 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f0d96e73c80(0000) GS:ffff8880d69bd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc3011a8000 CR3: 0000000033a44000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 vsnprintf+0x691/0x1160 lib/vsprintf.c:2878
 sprintf+0xcc/0x100 lib/vsprintf.c:3089
 print_time kernel/printk/printk.c:1381 [inline]
 info_print_prefix+0x25a/0x350 kernel/printk/printk.c:1407
 record_print_text+0x140/0x400 kernel/printk/printk.c:1456
 syslog_print+0x46a/0x620 kernel/printk/printk.c:1667
 do_syslog+0x3dc/0x6c0 kernel/printk/printk.c:1785
 __do_sys_syslog kernel/printk/printk.c:1877 [inline]
 __se_sys_syslog kernel/printk/printk.c:1875 [inline]
 __x64_sys_syslog+0x74/0xb0 kernel/printk/printk.c:1875
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0d9703da37
Code: 73 01 c3 48 8b 0d c1 f3 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 91 f3 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffcee150858 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007f0d971dd490 RCX: 00007f0d9703da37
RDX: 00000000000003ff RSI: 00007f0d971dd490 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000206 R12: 00007f0d971dd490
R13: 00007f0d971badfe R14: 00007f0d971dd878 R15: 00007f0d971dd878
 </TASK>