INFO: task kworker/1:2:56 blocked for more than 143 seconds.
      Not tainted 6.17.0-rc1-syzkaller-00199-gdfd4b508c8c6 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:21808 pid:56    tgid:56    ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: gfs2_recovery gfs2_recover_func
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:7058
 io_schedule+0x80/0xd0 kernel/sched/core.c:7903
 folio_wait_bit_common+0x6b0/0xb90 mm/filemap.c:1317
 folio_wait_locked include/linux/pagemap.h:1208 [inline]
 gfs2_jhead_process_page+0x16e/0x650 fs/gfs2/lops.c:472
 gfs2_find_jhead+0xc9e/0xe10 fs/gfs2/lops.c:587
 gfs2_recover_func+0x643/0x1dc0 fs/gfs2/recovery.c:457
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task syz.0.3285:18959 blocked for more than 144 seconds.
      Not tainted 6.17.0-rc1-syzkaller-00199-gdfd4b508c8c6 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.3285      state:D stack:24192 pid:18959 tgid:18957 ppid:18101  task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:7058
 bit_wait+0x11/0xd0 kernel/sched/wait_bit.c:240
 __wait_on_bit+0xb9/0x310 kernel/sched/wait_bit.c:52
 out_of_line_wait_on_bit+0x123/0x170 kernel/sched/wait_bit.c:67
 wait_on_bit include/linux/wait_bit.h:77 [inline]
 gfs2_recover_journal+0xda/0x140 fs/gfs2/recovery.c:577
 init_journal+0x17cc/0x2260 fs/gfs2/ops_fstype.c:798
 init_inodes+0xdb/0x320 fs/gfs2/ops_fstype.c:851
 gfs2_fill_super+0x1923/0x20d0 fs/gfs2/ops_fstype.c:1253
 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1692
 gfs2_get_tree+0x51/0x1e0 fs/gfs2/ops_fstype.c:1335
 vfs_get_tree+0x92/0x2b0 fs/super.c:1815
 do_new_mount+0x2a2/0x9e0 fs/namespace.c:3805
 do_mount fs/namespace.c:4133 [inline]
 __do_sys_mount fs/namespace.c:4344 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4321
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb0c659038a
RSP: 002b:00007fb0c734ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb0c734eef0 RCX: 00007fb0c659038a
RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fb0c734eeb0
RBP: 000020000001f680 R08: 00007fb0c734eef0 R09: 0000000000010090
R10: 0000000000010090 R11: 0000000000000246 R12: 0000200000000040
R13: 00007fb0c734eeb0 R14: 000000000001f7ba R15: 00002000000001c0
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.17.0-rc1-syzkaller-00199-gdfd4b508c8c6 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x17a/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+0xf93/0xfe0 kernel/hung_task.c:491
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 21678 Comm: syz.5.4090 Not tainted 6.17.0-rc1-syzkaller-00199-gdfd4b508c8c6 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:kasan_record_aux_stack+0xae/0xd0 mm/kasan/generic.c:547
Code: 0f af c7 48 01 c6 48 39 f3 77 03 48 89 de 4c 89 f7 e8 66 01 f5 ff 49 63 8e bc 00 00 00 48 85 c9 74 1a 48 01 c8 74 15 8b 48 08 <89> 48 0c 31 ff 31 f6 48 89 c3 e8 83 ce ff ff 89 43 08 5b 41 5e e9
RSP: 0018:ffffc90000007ab8 EFLAGS: 00000086
RAX: ffff888064fb0200 RBX: ffff888064fb0000 RCX: 0000000004d000b8
RDX: 0000000000000000 RSI: ffff888064fb0000 RDI: ffff88801a441c80
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff33b1d0f R12: dffffc0000000000
R13: ffff88801a48e400 R14: ffff88801a441c80 R15: ffff88801a498060
FS:  00007f8c2ef0f6c0(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3d72c2 CR3: 00000000608c7000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 insert_work+0x3d/0x330 kernel/workqueue.c:2184
 __queue_work+0xcd2/0xfb0 kernel/workqueue.c:2339
 call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1747
 expire_timers kernel/time/timer.c:1793 [inline]
 __run_timers kernel/time/timer.c:2372 [inline]
 __run_timer_base+0x646/0x860 kernel/time/timer.c:2384
 run_timer_base kernel/time/timer.c:2393 [inline]
 run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403
 handle_softirqs+0x286/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:sock_poll+0xb5/0x3e0 net/socket.c:1415
Code: 89 44 24 14 31 ff e8 0a 84 67 f8 eb 0d e8 c3 7f 67 f8 c7 44 24 14 00 00 00 00 49 83 c4 40 4d 89 e6 49 c1 ee 03 41 80 3c 2e 00 <74> 08 4c 89 e7 e8 f1 e8 ca f8 49 83 3c 24 00 0f 84 20 01 00 00 4c
RSP: 0018:ffffc90003fcf8a0 EFLAGS: 00000246
RAX: ffffffff89582bc6 RBX: ffff88801deac540 RCX: 0000000000000002
RDX: ffff88802e59da00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff88803fb9fd43 R09: 1ffff11007f73fa8
R10: dffffc0000000000 R11: ffffffff89582b30 R12: ffffffff8e882040
R13: ffff888045eef200 R14: 1ffffffff1d10408 R15: ffffc90003fcfa00
 vfs_poll include/linux/poll.h:82 [inline]
 __io_arm_poll_handler+0x372/0xbb0 io_uring/poll.c:581
 io_arm_apoll+0x62b/0x9a0 io_uring/poll.c:691
 io_queue_async+0x187/0x450 io_uring/io_uring.c:2004
 io_handle_tw_list+0x350/0x4c0 io_uring/io_uring.c:1102
 tctx_task_work_run+0x99/0x370 io_uring/io_uring.c:1167
 tctx_task_work+0x3f/0x90 io_uring/io_uring.c:1185
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 get_signal+0x11ed/0x1340 kernel/signal.c:2807
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:40
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8c2e18ebe9
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:00007f8c2ef0f038 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: 0000000000001000 RBX: 00007f8c2e3b5fa0 RCX: 00007f8c2e18ebe9
RDX: 0000000000000000 RSI: 00000000000847ba RDI: 0000000000000005
RBP: 00007f8c2e211e19 R08: 0000000000000000 R09: 000000000000fdef
R10: 000000000000000e R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8c2e3b6038 R14: 00007f8c2e3b5fa0 R15: 00007ffee4b507d8
 </TASK>