INFO: task kworker/0:8:5192 blocked for more than 143 seconds.
      Not tainted 6.8.0-rc4-syzkaller-00395-gf2667e0c3240 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:8     state:D stack:20400 pid:5192  tgid:5192  ppid:2      flags:0x00004000
Workqueue: gfs2_recovery gfs2_recover_func
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 io_schedule+0x8c/0x110 kernel/sched/core.c:9023
 folio_wait_bit_common+0x881/0x12b0 mm/filemap.c:1274
 folio_wait_locked include/linux/pagemap.h:1123 [inline]
 gfs2_jhead_process_page+0x194/0x750 fs/gfs2/lops.c:470
 gfs2_find_jhead+0x9c9/0xf10 fs/gfs2/lops.c:576
 gfs2_recover_func+0x6c1/0x1f20 fs/gfs2/recovery.c:460
 process_one_work kernel/workqueue.c:2633 [inline]
 process_scheduled_works+0x915/0x1420 kernel/workqueue.c:2706
 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
 kthread+0x2f1/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
INFO: task syz-executor.5:21073 blocked for more than 144 seconds.
      Not tainted 6.8.0-rc4-syzkaller-00395-gf2667e0c3240 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:24216 pid:21073 tgid:21072 ppid:5099   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 bit_wait+0x12/0xd0 kernel/sched/wait_bit.c:199
 __wait_on_bit+0xb2/0x2f0 kernel/sched/wait_bit.c:49
 out_of_line_wait_on_bit+0x1d4/0x260 kernel/sched/wait_bit.c:64
 wait_on_bit include/linux/wait_bit.h:76 [inline]
 gfs2_recover_journal+0xf2/0x160 fs/gfs2/recovery.c:577
 init_journal+0x1845/0x23f0 fs/gfs2/ops_fstype.c:831
 init_inodes+0xdc/0x320 fs/gfs2/ops_fstype.c:884
 gfs2_fill_super+0x1edb/0x26c0 fs/gfs2/ops_fstype.c:1263
 get_tree_bdev+0x3f9/0x570 fs/super.c:1619
 gfs2_get_tree+0x54/0x220 fs/gfs2/ops_fstype.c:1341
 vfs_get_tree+0x92/0x2a0 fs/super.c:1784
 do_new_mount+0x2be/0xb40 fs/namespace.c:3352
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f93bc27f4aa
RSP: 002b:00007f93bcf3def8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f93bcf3df80 RCX: 00007f93bc27f4aa
RDX: 000000002001f680 RSI: 000000002001f6c0 RDI: 00007f93bcf3df40
RBP: 000000002001f680 R08: 00007f93bcf3df80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000002001f6c0
R13: 00007f93bcf3df40 R14: 000000000001f738 R15: 0000000020000000
 </TASK>

Showing all locks held in the system:
4 locks held by kworker/u4:1/12:
1 lock held by khungtaskd/29:
 #0: ffffffff8e130ae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
 #0: ffffffff8e130ae0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
 #0: ffffffff8e130ae0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
2 locks held by kworker/u4:3/49:
 #0: ffff888014c89538 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888014c89538 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc90000b9fd20 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc90000b9fd20 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
2 locks held by getty/4825:
 #0: ffff88802aefd0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
2 locks held by kworker/0:8/5192:
 #0: ffff888018f18d38 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888018f18d38 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc90004b5fd20 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc90004b5fd20 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
1 lock held by syz-executor.5/21073:
 #0: ffff88807e36e0e0 (&type->s_umount_key#98/1){+.+.}-{3:3}, at: alloc_super+0x20e/0x8f0 fs/super.c:345
2 locks held by syz-executor.5/25000:

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

NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc4-syzkaller-00395-gf2667e0c3240 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x198/0x320 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+0xfaf/0xff0 kernel/hung_task.c:379
 kthread+0x2f1/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 15736 Comm: kworker/1:9 Not tainted 6.8.0-rc4-syzkaller-00395-gf2667e0c3240 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: events free_obj_work
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: 89 fb e8 23 00 00 00 48 8b 3d f4 b5 1a 0c 48 89 de 5b e9 23 cc 56 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0d 00 53 70 7e 65 8b 15 01 53 70
RSP: 0018:ffffc90014827580 EFLAGS: 00000287
RAX: ffffffff8f94a4ec RBX: ffffffff8f94a4f0 RCX: ffff88807ebbd940
RDX: ffff88807ebbd940 RSI: ffffffff8135418c RDI: ffffffff81354174
RBP: ffffffff81354174 R08: ffffffff81405265 R09: ffffc90014827750
R10: 0000000000000003 R11: ffffffff81804360 R12: ffffffff8f94a520
R13: ffffffff8f94a4f4 R14: ffffffff8135418c R15: ffffffff8f94a4f0
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00a72e000 CR3: 000000000df32000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 __orc_find arch/x86/kernel/unwind_orc.c:99 [inline]
 orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
 unwind_next_frame+0x536/0x29e0 arch/x86/kernel/unwind_orc.c:494
 arch_stack_walk+0x150/0x1b0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x117/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x4e/0x60 mm/kasan/generic.c:640
 poison_slab_object+0xa6/0xe0 mm/kasan/common.c:241
 __kasan_slab_free+0x34/0x70 mm/kasan/common.c:257
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2121 [inline]
 slab_free mm/slub.c:4299 [inline]
 kmem_cache_free+0x102/0x2a0 mm/slub.c:4363
 free_obj_work+0x4ff/0x6d0 lib/debugobjects.c:331
 process_one_work kernel/workqueue.c:2633 [inline]
 process_scheduled_works+0x915/0x1420 kernel/workqueue.c:2706
 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
 kthread+0x2f1/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>