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Message-ID: <Y3YhyMtswrhLy3nt@xpf.sh.intel.com>
Date:   Thu, 17 Nov 2022 19:58:00 +0800
From:   Pengfei Xu <pengfei.xu@...el.com>
To:     <elver@...gle.com>
CC:     <linux-kernel@...r.kernel.org>, <pengfei.xu@...el.com>,
        <heng.su@...el.com>
Subject: [Syzkaller and bisect] There is "task hung in
 perf_event_release_kernel" WARNING in v6.1-rc5 kernel

Hi Marco Elver and kernel developers,

Greeting!

There is "task hung in perf_event_release_kernel" WARNING in v6.1-rc5 kernel
+ below patch:
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=perf/urgent&id=bb88f9695460bec25aa30ba9072595025cf6c8af

[  300.223812] INFO: task repro:3009 blocked for more than 147 seconds.
[  300.224414]       Not tainted 6.1.0-rc5-kvmperfoverflow+ #10
[  300.224931] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  300.225626] task:repro           state:D stack:0     pid:3009  ppid:492    flags:0x00004002
[  300.226375] Call Trace:
[  300.226609]  <TASK>
[  300.226817]  __schedule+0x2de/0x8f0
[  300.227170]  ? kmem_cache_free_bulk.part.80+0x651/0x680
[  300.227682]  schedule+0x5b/0xe0
[  300.227998]  schedule_preempt_disabled+0x1c/0x30
[  300.228443]  __mutex_lock.isra.17+0x480/0x710
[  300.228856]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.229302]  __mutex_lock_slowpath+0x13/0x20
[  300.229702]  mutex_lock+0x30/0x40
[  300.230021]  perf_event_ctx_lock_nested.isra.103+0xd4/0x190
[  300.230537]  perf_event_release_kernel+0x77/0x370
[  300.230988]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.231437]  ? perf_event_release_kernel+0x370/0x370
[  300.231923]  perf_release+0x22/0x30
[  300.232267]  __fput+0x10e/0x440
[  300.232582]  ____fput+0x1e/0x30
[  300.232894]  task_work_run+0xa6/0x100
[  300.233250]  do_exit+0x4d4/0x11f0
[  300.233580]  ? write_comp_data+0x2f/0x90
[  300.233948]  do_group_exit+0x58/0xe0
[  300.234302]  get_signal+0xf07/0xf10
[  300.234642]  arch_do_signal_or_restart+0x3b/0x7d0
[  300.235080]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.235521]  ? do_futex+0x1a2/0x2e0
[  300.235866]  ? write_comp_data+0x2f/0x90
[  300.236239]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.236683]  exit_to_user_mode_prepare+0xdc/0x180
[  300.237132]  syscall_exit_to_user_mode+0x1f/0x30
[  300.237582]  do_syscall_64+0x4a/0x90
[  300.237931]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  300.238404] RIP: 0033:0x7fa38e38a59d
[  300.238752] RSP: 002b:00007fa38e242ea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[  300.239437] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007fa38e38a59d
[  300.240084] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000405158
[  300.240720] RBP: 00007fa38e242ec0 R08: 0000000000000000 R09: 0000000000000000
[  300.241355] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff34812dce
[  300.241983] R13: 00007fff34812dcf R14: 00007fff34812e60 R15: 00007fa38e243700
[  300.242620]  </TASK>
[  300.242832] INFO: task repro:3001 blocked for more than 147 seconds.
[  300.243402]       Not tainted 6.1.0-rc5-kvmperfoverflow+ #10
[  300.243941] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  300.244641] task:repro           state:D stack:0     pid:3001  ppid:496    flags:0x00004004
[  300.245401] Call Trace:
[  300.245635]  <TASK>
[  300.245845]  __schedule+0x2de/0x8f0
[  300.246200]  schedule+0x5b/0xe0
[  300.246522]  schedule_preempt_disabled+0x1c/0x30
[  300.246972]  __mutex_lock.isra.17+0x480/0x710
[  300.247395]  ? write_comp_data+0x2f/0x90
[  300.247789]  __mutex_lock_slowpath+0x13/0x20
[  300.248200]  mutex_lock+0x30/0x40
[  300.248525]  __do_sys_perf_event_open+0xb46/0x19b0
[  300.248993]  __x64_sys_perf_event_open+0x2f/0x40
[  300.249441]  do_syscall_64+0x3b/0x90
[  300.249797]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  300.250275] RIP: 0033:0x7fa38e38a59d
[  300.250613] RSP: 002b:00007fa38e263e98 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
[  300.251298] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa38e38a59d
[  300.251955] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000020000080
[  300.252602] RBP: 00007fa38e263ec0 R08: 0000000000000000 R09: 0000000000000000
[  300.253250] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fff34812dce
[  300.253901] R13: 00007fff34812dcf R14: 00007fff34812e60 R15: 00007fa38e264700
[  300.254563]  </TASK>
[  300.254783] INFO: task repro:3016 blocked for more than 147 seconds.
[  300.255376]       Not tainted 6.1.0-rc5-kvmperfoverflow+ #10
[  300.255912] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  300.256623] task:repro           state:D stack:0     pid:3016  ppid:488    flags:0x00004004
[  300.257394] Call Trace:
[  300.257632]  <TASK>
[  300.257844]  __schedule+0x2de/0x8f0
[  300.258196]  schedule+0x5b/0xe0
[  300.258522]  schedule_preempt_disabled+0x1c/0x30
[  300.258974]  __mutex_lock.isra.17+0x480/0x710
[  300.259401]  __mutex_lock_slowpath+0x13/0x20
[  300.259825]  mutex_lock+0x30/0x40
[  300.260160]  perf_event_ctx_lock_nested.isra.103+0xd4/0x190
[  300.260696]  perf_try_init_event+0x191/0x280
[  300.261118]  perf_event_alloc+0xe30/0x1850
[  300.261517]  ? __fget_light+0xb0/0x220
[  300.261890]  __do_sys_perf_event_open+0x3cb/0x19b0
[  300.262360]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.262822]  __x64_sys_perf_event_open+0x2f/0x40
[  300.263282]  do_syscall_64+0x3b/0x90
[  300.263637]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  300.264145] RIP: 0033:0x7fa38e38a59d
[  300.264496] RSP: 002b:00007fa38e242e98 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
[  300.265208] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa38e38a59d
[  300.265871] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000020000000
[  300.266523] RBP: 00007fa38e242ec0 R08: 0000000000000000 R09: 0000000000000000
[  300.267177] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fff34812dce
[  300.267839] R13: 00007fff34812dcf R14: 00007fff34812e60 R15: 00007fa38e243700
[  300.268501]  </TASK>
[  300.268718] INFO: task repro:3005 blocked for more than 147 seconds.
[  300.269297]       Not tainted 6.1.0-rc5-kvmperfoverflow+ #10
[  300.269821] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  300.270527] task:repro           state:D stack:0     pid:3005  ppid:487    flags:0x00004004
[  300.271292] Call Trace:
[  300.271523]  <TASK>
[  300.271741]  __schedule+0x2de/0x8f0
[  300.272096]  schedule+0x5b/0xe0
[  300.272421]  schedule_preempt_disabled+0x1c/0x30
[  300.272873]  __mutex_lock.isra.17+0x480/0x710
[  300.273293]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.273741]  __mutex_lock_slowpath+0x13/0x20
[  300.274145]  mutex_lock+0x30/0x40
[  300.274472]  __do_sys_perf_event_open+0xb46/0x19b0
[  300.274943]  __x64_sys_perf_event_open+0x2f/0x40
[  300.275399]  do_syscall_64+0x3b/0x90
[  300.275767]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  300.276253] RIP: 0033:0x7fa38e38a59d
[  300.276603] RSP: 002b:00007fa38e263e98 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
[  300.277316] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa38e38a59d
[  300.277984] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000020000000
[  300.278652] RBP: 00007fa38e263ec0 R08: 0000000000000000 R09: 0000000000000000
[  300.279327] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fff34812dce
[  300.279999] R13: 00007fff34812dcf R14: 00007fff34812e60 R15: 00007fa38e264700
[  300.280676]  </TASK>
[  300.280898] INFO: task repro:3007 blocked for more than 147 seconds.
[  300.281492]       Not tainted 6.1.0-rc5-kvmperfoverflow+ #10
[  300.282019] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  300.282736] task:repro           state:D stack:0     pid:3007  ppid:495    flags:0x00004002
[  300.283518] Call Trace:
[  300.283774]  <TASK>
[  300.283988]  __schedule+0x2de/0x8f0
[  300.284351]  ? kmem_cache_free_bulk.part.80+0x651/0x680
[  300.284863]  schedule+0x5b/0xe0
[  300.285193]  schedule_preempt_disabled+0x1c/0x30
[  300.285658]  __mutex_lock.isra.17+0x480/0x710
[  300.286081]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.286544]  __mutex_lock_slowpath+0x13/0x20
[  300.286965]  mutex_lock+0x30/0x40
[  300.287310]  perf_event_ctx_lock_nested.isra.103+0xd4/0x190
[  300.287852]  perf_event_release_kernel+0x77/0x370
[  300.288319]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.288784]  ? perf_event_release_kernel+0x370/0x370
[  300.289271]  perf_release+0x22/0x30
[  300.289625]  __fput+0x10e/0x440
[  300.289952]  ____fput+0x1e/0x30
[  300.290278]  task_work_run+0xa6/0x100
[  300.290651]  do_exit+0x4d4/0x11f0
[  300.290996]  ? write_comp_data+0x2f/0x90
[  300.291387]  do_group_exit+0x58/0xe0
[  300.291769]  get_signal+0xf07/0xf10
[  300.292122]  ? wake_up_q+0x52/0xa0
[  300.292468]  arch_do_signal_or_restart+0x3b/0x7d0
[  300.292927]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.293387]  ? do_futex+0x1a2/0x2e0
[  300.293735]  ? write_comp_data+0x2f/0x90
[  300.294121]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.294581]  exit_to_user_mode_prepare+0xdc/0x180
[  300.295049]  syscall_exit_to_user_mode+0x1f/0x30
[  300.295504]  do_syscall_64+0x4a/0x90
[  300.295879]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  300.296373] RIP: 0033:0x7fa38e38a59d
[  300.296723] RSP: 002b:00007fa38e263ea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[  300.297431] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007fa38e38a59d
[  300.298098] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000405148
[  300.298767] RBP: 00007fa38e263ec0 R08: 0000000000000000 R09: 0000000000000000
[  300.299441] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff34812dce
[  300.300128] R13: 00007fff34812dcf R14: 00007fff34812e60 R15: 00007fa38e264700
[  300.300805]  </TASK>
[  300.301029] INFO: task repro:3018 blocked for more than 147 seconds.
[  300.301627]       Not tainted 6.1.0-rc5-kvmperfoverflow+ #10
[  300.302163] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  300.302888] task:repro           state:D stack:0     pid:3018  ppid:491    flags:0x00004004
[  300.303693] Call Trace:
[  300.303936]  <TASK>
[  300.304153]  __schedule+0x2de/0x8f0
[  300.304525]  schedule+0x5b/0xe0
[  300.304860]  schedule_preempt_disabled+0x1c/0x30
[  300.305327]  __mutex_lock.isra.17+0x480/0x710
[  300.305760]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.306222]  __mutex_lock_slowpath+0x13/0x20
[  300.306649]  mutex_lock+0x30/0x40
[  300.306989]  __do_sys_perf_event_open+0x108f/0x19b0
[  300.307485]  ? write_comp_data+0x2f/0x90
[  300.307897]  __x64_sys_perf_event_open+0x2f/0x40
[  300.308363]  do_syscall_64+0x3b/0x90
[  300.308733]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  300.309233] RIP: 0033:0x7fa38e38a59d
[  300.309586] RSP: 002b:00007fa38e242e98 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
[  300.310297] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa38e38a59d
[  300.310967] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000020000000
[  300.311511] RBP: 00007fa38e242ec0 R08: 0000000000000000 R09: 0000000000000000
[  300.311955] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fff34812dce
[  300.312415] R13: 00007fff34812dcf R14: 00007fff34812e60 R15: 00007fa38e243700
[  300.313049]  </TASK>
[  300.313249] INFO: task repro:3015 blocked for more than 147 seconds.
[  300.313798]       Not tainted 6.1.0-rc5-kvmperfoverflow+ #10
[  300.314277] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  300.314961] task:repro           state:D stack:0     pid:3015  ppid:490    flags:0x00000004
[  300.315679] Call Trace:
[  300.315903]  <TASK>
[  300.316109]  __schedule+0x2de/0x8f0
[  300.316441]  ? raw_spin_rq_lock_nested+0x2d/0x40
[  300.316873]  schedule+0x5b/0xe0
[  300.317181]  schedule_preempt_disabled+0x1c/0x30
[  300.317616]  __mutex_lock.isra.17+0x480/0x710
[  300.317992]  __mutex_lock_slowpath+0x13/0x20
[  300.318379]  mutex_lock+0x30/0x40
[  300.318672]  perf_event_ctx_lock_nested.isra.103+0xd4/0x190
[  300.319179]  perf_try_init_event+0x191/0x280
[  300.319542]  perf_event_alloc+0xe30/0x1850
[  300.319934]  ? __fget_light+0xb0/0x220
[  300.320294]  __do_sys_perf_event_open+0x3cb/0x19b0
[  300.320740]  ? write_comp_data+0x2f/0x90
[  300.321099]  __x64_sys_perf_event_open+0x2f/0x40
[  300.321500]  do_syscall_64+0x3b/0x90
[  300.321844]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  300.322273] RIP: 0033:0x7fa38e38a59d
[  300.322589] RSP: 002b:00007fa38e263e98 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
[  300.323240] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa38e38a59d
[  300.323891] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000020000000
[  300.324455] RBP: 00007fa38e263ec0 R08: 0000000000000000 R09: 0000000000000000
[  300.325051] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fff34812dce
[  300.325629] R13: 00007fff34812dcf R14: 00007fff34812e60 R15: 00007fa38e264700
[  300.326185]  </TASK>
[  300.326362] INFO: task repro:3021 blocked for more than 147 seconds.
[  300.326868]       Not tainted 6.1.0-rc5-kvmperfoverflow+ #10
[  300.327315] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  300.327873] task:repro           state:D stack:0     pid:3021  ppid:490    flags:0x00000004
[  300.328537] Call Trace:
[  300.328744]  <TASK>
[  300.328924]  __schedule+0x2de/0x8f0
[  300.329220]  schedule+0x5b/0xe0
[  300.329505]  schedule_preempt_disabled+0x1c/0x30
[  300.329884]  __mutex_lock.isra.17+0x480/0x710
[  300.330263]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.330643]  __mutex_lock_slowpath+0x13/0x20
[  300.331010]  mutex_lock+0x30/0x40
[  300.331291]  __do_sys_perf_event_open+0x108f/0x19b0
[  300.331694]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.332069]  __x64_sys_perf_event_open+0x2f/0x40
[  300.332446]  do_syscall_64+0x3b/0x90
[  300.332769]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  300.333199] RIP: 0033:0x7fa38e38a59d
[  300.333496] RSP: 002b:00007fa38e242e98 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
[  300.334114] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa38e38a59d
[  300.334700] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000020000080
[  300.335263] RBP: 00007fa38e242ec0 R08: 0000000000000000 R09: 0000000000000000
[  300.335847] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fff34812dce
[  300.336453] R13: 00007fff34812dcf R14: 00007fff34812e60 R15: 00007fa38e243700
[  300.337056]  </TASK>
[  300.337244] INFO: task repro:3020 blocked for more than 147 seconds.
[  300.337749]       Not tainted 6.1.0-rc5-kvmperfoverflow+ #10
[  300.338200] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  300.338816] task:repro           state:D stack:0     pid:3020  ppid:493    flags:0x00000004
[  300.339505] Call Trace:
[  300.339719]  <TASK>
[  300.339897]  __schedule+0x2de/0x8f0
[  300.340207]  schedule+0x5b/0xe0
[  300.340462]  schedule_preempt_disabled+0x1c/0x30
[  300.340867]  __mutex_lock.isra.17+0x480/0x710
[  300.341238]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.341633]  __mutex_lock_slowpath+0x13/0x20
[  300.341979]  mutex_lock+0x30/0x40
[  300.342267]  __do_sys_perf_event_open+0x108f/0x19b0
[  300.342670]  ? write_comp_data+0x2f/0x90
[  300.343014]  __x64_sys_perf_event_open+0x2f/0x40
[  300.343409]  do_syscall_64+0x3b/0x90
[  300.343728]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  300.344149] RIP: 0033:0x7fa38e38a59d
[  300.344448] RSP: 002b:00007fa38e263e98 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
[  300.345073] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa38e38a59d
[  300.345646] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000020000000
[  300.346176] RBP: 00007fa38e263ec0 R08: 0000000000000000 R09: 0000000000000000
[  300.346745] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff34812dce
[  300.347345] R13: 00007fff34812dcf R14: 00007fff34812e60 R15: 00007fa38e264700
[  300.347882]  </TASK>
[  300.348077] INFO: task repro:3022 blocked for more than 147 seconds.
[  300.348606]       Not tainted 6.1.0-rc5-kvmperfoverflow+ #10
[  300.349082] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  300.349681] task:repro           state:D stack:0     pid:3022  ppid:493    flags:0x00000004
[  300.350310] Call Trace:
[  300.350510]  <TASK>
[  300.350676]  __schedule+0x2de/0x8f0
[  300.350963]  schedule+0x5b/0xe0
[  300.351207]  schedule_preempt_disabled+0x1c/0x30
[  300.351555]  __mutex_lock.isra.17+0x480/0x710
[  300.351941]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.352292]  __mutex_lock_slowpath+0x13/0x20
[  300.352618]  mutex_lock+0x30/0x40
[  300.352872]  __do_sys_perf_event_open+0x108f/0x19b0
[  300.353248]  ? __sanitizer_cov_trace_pc+0x25/0x60
[  300.353648]  __x64_sys_perf_event_open+0x2f/0x40
[  300.354019]  do_syscall_64+0x3b/0x90
[  300.354282]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  300.354669] RIP: 0033:0x7fa38e38a59d
[  300.354946] RSP: 002b:00007fa38e242e98 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
[  300.355508] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa38e38a59d
[  300.356076] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000020000080
[  300.356643] RBP: 00007fa38e242ec0 R08: 0000000000000000 R09: 0000000000000000
[  300.357220] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fff34812dce
[  300.357724] R13: 00007fff34812dcf R14: 00007fff34812e60 R15: 00007fa38e243700
[  300.358270]  </TASK>

Bisected and found the first bad commit:
97ba62b278674293762c3d91f724f1bb922f04e0
"perf: Add support for SIGTRAP on perf events"

Reproduced code, kconfig and bisect info is in attached.

All detailed info is in link:
https://github.com/xupengfe/syzkaller_logs/tree/main/221116_021029_perf_event_release_kernel

If it's helpful, please add the "Reported-by" tag from me.

Thanks!
BR.

View attachment "bisect_info.log" of type "text/plain" (4091 bytes)

View attachment "repro.c" of type "text/plain" (15628 bytes)

View attachment "config-guest" of type "text/plain" (278992 bytes)

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