INFO: task syz.2.25:6604 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.25        state:D stack:24664 pid:6604  tgid:6603  ppid:6332   task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1794/0x4c40 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x161/0x360 kernel/sched/core.c:7058
 schedule_timeout+0x96/0x260 kernel/time/sleep_timeout.c:75
 ___down_common kernel/locking/semaphore.c:268 [inline]
 __down_common+0x33a/0x790 kernel/locking/semaphore.c:293
 down+0xa6/0xe0 kernel/locking/semaphore.c:100
 xfs_buf_lock+0x159/0x4b0 fs/xfs/xfs_buf.c:996
 xfs_buf_item_unpin+0x1d0/0x6f0 fs/xfs/xfs_buf_item.c:556
 xlog_cil_ail_insert fs/xfs/xfs_log_cil.c:-1 [inline]
 xlog_cil_committed+0x952/0x1030 fs/xfs/xfs_log_cil.c:897
 xlog_cil_process_committed+0x158/0x1a0 fs/xfs/xfs_log_cil.c:927
 xlog_state_shutdown_callbacks+0x265/0x360 fs/xfs/xfs_log.c:488
 xlog_force_shutdown+0x32e/0x400 fs/xfs/xfs_log.c:3520
 xfs_do_force_shutdown+0x27f/0x630 fs/xfs/xfs_fsops.c:517
 xfs_fs_goingdown+0x6d/0x150 fs/xfs/xfs_fsops.c:-1
 xfs_file_ioctl+0x1174/0x18b0 fs/xfs/xfs_ioctl.c:1377
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x86/0x2e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f60c518ebe9
RSP: 002b:00007f60c5f1a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f60c53b5fa0 RCX: 00007f60c518ebe9
RDX: 0000200000000080 RSI: 000000008004587d RDI: 0000000000000005
RBP: 00007f60c5211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f60c53b6038 R14: 00007f60c53b5fa0 R15: 00007ffdab85f438
 </TASK>
INFO: task syz.2.25:6604 blocked on a semaphore likely last held by task syz.2.25:6683
task:syz.2.25        state:D stack:26568 pid:6683  tgid:6603  ppid:6332   task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1794/0x4c40 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x161/0x360 kernel/sched/core.c:7058
 xlog_wait fs/xfs/xfs_log_priv.h:588 [inline]
 xlog_wait_on_iclog+0x4a8/0x6e0 fs/xfs/xfs_log.c:841
 xlog_force_lsn+0x4c7/0x950 fs/xfs/xfs_log.c:3045
 __xfs_trans_commit+0x7d8/0xbf0 fs/xfs/xfs_trans.c:878
 xfs_trans_commit+0x13a/0x1c0 fs/xfs/xfs_trans.c:927
 xfs_sync_sb_buf+0x130/0x220 fs/xfs/libxfs/xfs_sb.c:1474
 xfs_ioc_setlabel fs/xfs/xfs_ioctl.c:1045 [inline]
 xfs_file_ioctl+0x156c/0x18b0 fs/xfs/xfs_ioctl.c:1202
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x86/0x2e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f60c518ebe9
RSP: 002b:00007f60c47fe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f60c53b6090 RCX: 00007f60c518ebe9
RDX: 0000200000000100 RSI: 0000000041009432 RDI: 0000000000000004
RBP: 00007f60c5211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f60c53b6128 R14: 00007f60c53b6090 R15: 00007ffdab85f438
 </TASK>
INFO: task syz.2.25:6683 blocked for more than 146 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.25        state:D stack:26568 pid:6683  tgid:6603  ppid:6332   task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1794/0x4c40 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x161/0x360 kernel/sched/core.c:7058
 xlog_wait fs/xfs/xfs_log_priv.h:588 [inline]
 xlog_wait_on_iclog+0x4a8/0x6e0 fs/xfs/xfs_log.c:841
 xlog_force_lsn+0x4c7/0x950 fs/xfs/xfs_log.c:3045
 __xfs_trans_commit+0x7d8/0xbf0 fs/xfs/xfs_trans.c:878
 xfs_trans_commit+0x13a/0x1c0 fs/xfs/xfs_trans.c:927
 xfs_sync_sb_buf+0x130/0x220 fs/xfs/libxfs/xfs_sb.c:1474
 xfs_ioc_setlabel fs/xfs/xfs_ioctl.c:1045 [inline]
 xfs_file_ioctl+0x156c/0x18b0 fs/xfs/xfs_ioctl.c:1202
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x86/0x2e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f60c518ebe9
RSP: 002b:00007f60c47fe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f60c53b6090 RCX: 00007f60c518ebe9
RDX: 0000200000000100 RSI: 0000000041009432 RDI: 0000000000000004
RBP: 00007f60c5211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f60c53b6128 R14: 00007f60c53b6090 R15: 00007ffdab85f438
 </TASK>
INFO: task syz.1.26:6614 blocked for more than 148 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.26        state:D stack:24056 pid:6614  tgid:6613  ppid:6327   task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1794/0x4c40 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x161/0x360 kernel/sched/core.c:7058
 schedule_timeout+0x96/0x260 kernel/time/sleep_timeout.c:75
 ___down_common kernel/locking/semaphore.c:268 [inline]
 __down_common+0x33a/0x790 kernel/locking/semaphore.c:293
 down+0xa6/0xe0 kernel/locking/semaphore.c:100
 xfs_buf_lock+0x159/0x4b0 fs/xfs/xfs_buf.c:996
 xfs_buf_item_unpin+0x1d0/0x6f0 fs/xfs/xfs_buf_item.c:556
 xlog_cil_ail_insert fs/xfs/xfs_log_cil.c:-1 [inline]
 xlog_cil_committed+0x952/0x1030 fs/xfs/xfs_log_cil.c:897
 xlog_cil_process_committed+0x158/0x1a0 fs/xfs/xfs_log_cil.c:927
 xlog_state_shutdown_callbacks+0x265/0x360 fs/xfs/xfs_log.c:488
 xlog_force_shutdown+0x32e/0x400 fs/xfs/xfs_log.c:3520
 xfs_do_force_shutdown+0x27f/0x630 fs/xfs/xfs_fsops.c:517
 xfs_fs_goingdown+0x6d/0x150 fs/xfs/xfs_fsops.c:-1
 xfs_file_ioctl+0x1174/0x18b0 fs/xfs/xfs_ioctl.c:1377
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x86/0x2e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f3c66b8ebe9
RSP: 002b:00007f3c6794e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3c66db5fa0 RCX: 00007f3c66b8ebe9
RDX: 0000200000000080 RSI: 000000008004587d RDI: 0000000000000005
RBP: 00007f3c66c11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3c66db6038 R14: 00007f3c66db5fa0 R15: 00007ffed1d23dd8
 </TASK>
INFO: task syz.1.26:6614 blocked on a semaphore likely last held by task syz.1.26:6684
task:syz.1.26        state:D stack:26936 pid:6684  tgid:6613  ppid:6327   task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1794/0x4c40 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x161/0x360 kernel/sched/core.c:7058
 xlog_wait fs/xfs/xfs_log_priv.h:588 [inline]
 xlog_wait_on_iclog+0x4a8/0x6e0 fs/xfs/xfs_log.c:841
 xlog_force_lsn+0x4c7/0x950 fs/xfs/xfs_log.c:3045
 __xfs_trans_commit+0x7d8/0xbf0 fs/xfs/xfs_trans.c:878
 xfs_trans_commit+0x13a/0x1c0 fs/xfs/xfs_trans.c:927
 xfs_sync_sb_buf+0x130/0x220 fs/xfs/libxfs/xfs_sb.c:1474
 xfs_ioc_setlabel fs/xfs/xfs_ioctl.c:1045 [inline]
 xfs_file_ioctl+0x156c/0x18b0 fs/xfs/xfs_ioctl.c:1202
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x86/0x2e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f3c66b8ebe9
RSP: 002b:00007f3c6792d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3c66db6090 RCX: 00007f3c66b8ebe9
RDX: 0000200000000100 RSI: 0000000041009432 RDI: 0000000000000004
RBP: 00007f3c66c11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3c66db6128 R14: 00007f3c66db6090 R15: 00007ffed1d23dd8
 </TASK>
INFO: task syz.1.26:6684 blocked for more than 151 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.26        state:D stack:26936 pid:6684  tgid:6613  ppid:6327   task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1794/0x4c40 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x161/0x360 kernel/sched/core.c:7058
 xlog_wait fs/xfs/xfs_log_priv.h:588 [inline]
 xlog_wait_on_iclog+0x4a8/0x6e0 fs/xfs/xfs_log.c:841
 xlog_force_lsn+0x4c7/0x950 fs/xfs/xfs_log.c:3045
 __xfs_trans_commit+0x7d8/0xbf0 fs/xfs/xfs_trans.c:878
 xfs_trans_commit+0x13a/0x1c0 fs/xfs/xfs_trans.c:927
 xfs_sync_sb_buf+0x130/0x220 fs/xfs/libxfs/xfs_sb.c:1474
 xfs_ioc_setlabel fs/xfs/xfs_ioctl.c:1045 [inline]
 xfs_file_ioctl+0x156c/0x18b0 fs/xfs/xfs_ioctl.c:1202
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x86/0x2e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f3c66b8ebe9
RSP: 002b:00007f3c6792d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3c66db6090 RCX: 00007f3c66b8ebe9
RDX: 0000200000000100 RSI: 0000000041009432 RDI: 0000000000000004
RBP: 00007f3c66c11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3c66db6128 R14: 00007f3c66db6090 R15: 00007ffed1d23dd8
 </TASK>
INFO: task syz.3.39:6846 blocked for more than 152 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.39        state:D stack:24664 pid:6846  tgid:6844  ppid:6331   task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1794/0x4c40 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x161/0x360 kernel/sched/core.c:7058
 schedule_timeout+0x96/0x260 kernel/time/sleep_timeout.c:75
 ___down_common kernel/locking/semaphore.c:268 [inline]
 __down_common+0x33a/0x790 kernel/locking/semaphore.c:293
 down+0xa6/0xe0 kernel/locking/semaphore.c:100