syzbot

INFO: task kworker/1:6:5136 blocked for more than 143 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00399-g5bed8d585aa1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6     state:D stack:26024 pid:5136  ppid:2      flags:0x00004000
Workqueue: infiniband ib_cache_event_task
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rxe_query_port+0x5d/0x1f0 drivers/infiniband/sw/rxe/rxe_verbs.c:54
 __ib_query_port drivers/infiniband/core/device.c:2060 [inline]
 ib_query_port drivers/infiniband/core/device.c:2092 [inline]
 ib_query_port+0x431/0x8a0 drivers/infiniband/core/device.c:2082
 ib_cache_update.part.0+0xdc/0xa30 drivers/infiniband/core/cache.c:1498
 ib_cache_update drivers/infiniband/core/cache.c:1572 [inline]
 ib_cache_event_task+0x1c2/0x290 drivers/infiniband/core/cache.c:1572
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task kworker/0:31:24264 blocked for more than 143 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00399-g5bed8d585aa1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:31    state:D stack:27888 pid:24264 ppid:2      flags:0x00004000
Workqueue: infiniband ib_cache_event_task
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rxe_query_port+0x5d/0x1f0 drivers/infiniband/sw/rxe/rxe_verbs.c:54
 __ib_query_port drivers/infiniband/core/device.c:2060 [inline]
 ib_query_port drivers/infiniband/core/device.c:2092 [inline]
 ib_query_port+0x431/0x8a0 drivers/infiniband/core/device.c:2082
 ib_cache_update.part.0+0xdc/0xa30 drivers/infiniband/core/cache.c:1498
 ib_cache_update drivers/infiniband/core/cache.c:1572 [inline]
 ib_cache_event_task+0x1c2/0x290 drivers/infiniband/core/cache.c:1572
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task kworker/1:35:24754 blocked for more than 144 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00399-g5bed8d585aa1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:35    state:D stack:27680 pid:24754 ppid:2      flags:0x00004000
Workqueue: infiniband ib_cache_event_task
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rxe_query_port+0x5d/0x1f0 drivers/infiniband/sw/rxe/rxe_verbs.c:54
 __ib_query_port drivers/infiniband/core/device.c:2060 [inline]
 ib_query_port drivers/infiniband/core/device.c:2092 [inline]
 ib_query_port+0x431/0x8a0 drivers/infiniband/core/device.c:2082
 ib_cache_update.part.0+0xdc/0xa30 drivers/infiniband/core/cache.c:1498
 ib_cache_update drivers/infiniband/core/cache.c:1572 [inline]
 ib_cache_event_task+0x1c2/0x290 drivers/infiniband/core/cache.c:1572
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task kworker/0:49:25857 blocked for more than 144 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00399-g5bed8d585aa1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:49    state:D stack:27336 pid:25857 ppid:2      flags:0x00004000
Workqueue: infiniband ib_cache_event_task
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rxe_query_port+0x5d/0x1f0 drivers/infiniband/sw/rxe/rxe_verbs.c:54
 __ib_query_port drivers/infiniband/core/device.c:2060 [inline]
 ib_query_port drivers/infiniband/core/device.c:2092 [inline]
 ib_query_port+0x431/0x8a0 drivers/infiniband/core/device.c:2082
 ib_cache_update.part.0+0xdc/0xa30 drivers/infiniband/core/cache.c:1498
 ib_cache_update drivers/infiniband/core/cache.c:1572 [inline]
 ib_cache_event_task+0x1c2/0x290 drivers/infiniband/core/cache.c:1572
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task kworker/1:57:5810 blocked for more than 144 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00399-g5bed8d585aa1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:57    state:D stack:27680 pid:5810  ppid:2      flags:0x00004000
Workqueue: infiniband ib_cache_event_task
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rxe_query_port+0x5d/0x1f0 drivers/infiniband/sw/rxe/rxe_verbs.c:54
 __ib_query_port drivers/infiniband/core/device.c:2060 [inline]
 ib_query_port drivers/infiniband/core/device.c:2092 [inline]
 ib_query_port+0x431/0x8a0 drivers/infiniband/core/device.c:2082
 ib_cache_update.part.0+0xdc/0xa30 drivers/infiniband/core/cache.c:1498
 ib_cache_update drivers/infiniband/core/cache.c:1572 [inline]
 ib_cache_event_task+0x1c2/0x290 drivers/infiniband/core/cache.c:1572
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task kworker/1:92:8288 blocked for more than 145 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00399-g5bed8d585aa1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:92    state:D stack:27680 pid:8288  ppid:2      flags:0x00004000
Workqueue: infiniband ib_cache_event_task
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rxe_query_port+0x5d/0x1f0 drivers/infiniband/sw/rxe/rxe_verbs.c:54
 __ib_query_port drivers/infiniband/core/device.c:2060 [inline]
 ib_query_port drivers/infiniband/core/device.c:2092 [inline]
 ib_query_port+0x431/0x8a0 drivers/infiniband/core/device.c:2082
 ib_cache_update.part.0+0xdc/0xa30 drivers/infiniband/core/cache.c:1498
 ib_cache_update drivers/infiniband/core/cache.c:1572 [inline]
 ib_cache_event_task+0x1c2/0x290 drivers/infiniband/core/cache.c:1572
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task kworker/1:106:10464 blocked for more than 145 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00399-g5bed8d585aa1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:106   state:D stack:28000 pid:10464 ppid:2      flags:0x00004000
Workqueue: infiniband ib_cache_event_task
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rxe_query_port+0x5d/0x1f0 drivers/infiniband/sw/rxe/rxe_verbs.c:54
 __ib_query_port drivers/infiniband/core/device.c:2060 [inline]
 ib_query_port drivers/infiniband/core/device.c:2092 [inline]
 ib_query_port+0x431/0x8a0 drivers/infiniband/core/device.c:2082
 ib_cache_update.part.0+0xdc/0xa30 drivers/infiniband/core/cache.c:1498
 ib_cache_update drivers/infiniband/core/cache.c:1572 [inline]
 ib_cache_event_task+0x1c2/0x290 drivers/infiniband/core/cache.c:1572
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task kworker/0:165:14430 blocked for more than 145 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00399-g5bed8d585aa1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:165   state:D stack:28000 pid:14430 ppid:2      flags:0x00004000
Workqueue: infiniband ib_cache_event_task
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rxe_query_port+0x5d/0x1f0 drivers/infiniband/sw/rxe/rxe_verbs.c:54
 __ib_query_port drivers/infiniband/core/device.c:2060 [inline]
 ib_query_port drivers/infiniband/core/device.c:2092 [inline]
 ib_query_port+0x431/0x8a0 drivers/infiniband/core/device.c:2082
 ib_cache_update.part.0+0xdc/0xa30 drivers/infiniband/core/cache.c:1498
 ib_cache_update drivers/infiniband/core/cache.c:1572 [inline]
 ib_cache_event_task+0x1c2/0x290 drivers/infiniband/core/cache.c:1572
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task kworker/0:227:21162 blocked for more than 146 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00399-g5bed8d585aa1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:227   state:D stack:27888 pid:21162 ppid:2      flags:0x00004000
Workqueue: infiniband ib_cache_event_task
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rxe_query_port+0x5d/0x1f0 drivers/infiniband/sw/rxe/rxe_verbs.c:54
 __ib_query_port drivers/infiniband/core/device.c:2060 [inline]
 ib_query_port drivers/infiniband/core/device.c:2092 [inline]
 ib_query_port+0x431/0x8a0 drivers/infiniband/core/device.c:2082
 ib_cache_update.part.0+0xdc/0xa30 drivers/infiniband/core/cache.c:1498
 ib_cache_update drivers/infiniband/core/cache.c:1572 [inline]
 ib_cache_event_task+0x1c2/0x290 drivers/infiniband/core/cache.c:1572
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task kworker/1:232:21544 blocked for more than 146 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00399-g5bed8d585aa1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:232   state:D stack:27440 pid:21544 ppid:2      flags:0x00004000
Workqueue: infiniband ib_cache_event_task
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rxe_query_port+0x5d/0x1f0 drivers/infiniband/sw/rxe/rxe_verbs.c:54
 __ib_query_port drivers/infiniband/core/device.c:2060 [inline]
 ib_query_port drivers/infiniband/core/device.c:2092 [inline]
 ib_query_port+0x431/0x8a0 drivers/infiniband/core/device.c:2082
 ib_cache_update.part.0+0xdc/0xa30 drivers/infiniband/core/cache.c:1498
 ib_cache_update drivers/infiniband/core/cache.c:1572 [inline]
 ib_cache_event_task+0x1c2/0x290 drivers/infiniband/core/cache.c:1572
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.6.0-rc1-syzkaller-00399-g5bed8d585aa1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x299/0x300 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+0xfac/0x1230 kernel/hung_task.c:379
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5072 Comm: syz-executor.5 Not tainted 6.6.0-rc1-syzkaller-00399-g5bed8d585aa1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:vma_start_read include/linux/mm.h:662 [inline]
RIP: 0010:lock_vma_under_rcu+0x15b/0x960 mm/memory.c:5440
Code: 8d 6b 28 4c 89 e8 48 c1 e8 03 0f b6 14 28 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5d 07 00 00 4c 8d 73 10 8b 53 28 <4c> 89 f0 48 c1 e8 03 80 3c 28 00 0f 85 30 07 00 00 4c 8b 7b 10 49
RSP: 0000:ffffc90004207df0 EFLAGS: 00000246
RAX: 0000000000000003 RBX: ffff88801f293700 RCX: 0000000000000000
RDX: 0000000000001849 RSI: ffffffff81c91a80 RDI: ffffffffffffffff
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 00007ffdb8aa7410 R12: 00007fa55d778038
R13: ffff88801f293728 R14: ffff88801f293710 R15: 0000000000000255
FS:  0000555556716480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa55d778038 CR3: 000000004685d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 do_user_addr_fault+0x2bc/0x1010 arch/x86/mm/fault.c:1356
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7fa55d629a47
Code: 00 e8 fd a6 ff ff 85 c0 74 54 49 8b 34 24 8b 54 24 0c 31 c0 48 8d 3d 4b dc 09 00 e8 e3 c6 ff ff 8b 44 24 6c 8b 74 24 08 89 ef <49> 89 9c 24 b8 00 00 00 49 8d 4c 24 60 ba 40 00 00 00 41 89 84 24
RSP: 002b:00007ffdb8aa7410 EFLAGS: 00010206
RAX: 0000000000000003 RBX: 00007ffdb8aa7490 RCX: 0000000000000006
RDX: 000000000000000a RSI: 0000000000000029 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007ffdb8aa742c R09: 0079746972756365
R10: 00007ffdb8aa7490 R11: 0000000000000212 R12: 00007fa55d777f80
R13: 00007ffdb8aa742c R14: 0000000000000000 R15: 00007fa55d778d00
 </TASK>