syzbot


Out of 175 bugs, 151 were automatically obsoleted (11 due to revoked reproducers), 24 were invalidated by users.
Applied filters: Label=subsystems:perf (drop)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
KCSAN: data-race in __perf_event_read_value / event_sched_out (7) perf 6 1 82d 82d
BUG: soft lockup in tcp_write_timer (10) perf mm net 1 3 48d 78d
general protection fault in perf_tp_event (4) perf 2 1 123d 119d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (6) race:harmful perf 6 6 94d 82d
KASAN: slab-use-after-free Read in __task_pid_nr_ns perf 19 5 138d 267d
KCSAN: data-race in perf_event_set_state / perf_mmap_rb race:harmful perf 6 1 105d 82d
BUG: soft lockup in xfrm_timer_handler (2) perf 1 1 144d 140d
BUG: soft lockup in packet_rcv perf trace 1 2 122d 174d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (5) perf 6 2 218d 232d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (5) perf 6 3 226d 243d
BUG: soft lockup in __sk_destruct perf 1 1 307d 307d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (4) perf 6 1 342d 342d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (3) perf 6 4 438d 489d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (4) perf 6 2 448d 452d
KCSAN: data-race in _free_event / perf_pending_task (2) perf 6 9 451d 562d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (9) perf 6 1 519d 519d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (2) perf 6 1 557d 557d
KASAN: slab-use-after-free Read in filter_chain perf trace 19 13 594d 652d
KASAN: slab-use-after-free Read in uprobe_mmap perf trace 19 67 596d 643d
WARNING in free_event perf -1 C unreliable done 1 658d 856d
KASAN: slab-use-after-free Read in uprobe_unregister trace perf 19 C unreliable 5 618d 616d
KCSAN: data-race in _free_event / perf_pending_task perf 6 6 607d 637d
KCSAN: data-race in __change_pid / perf_event_switch_output (3) perf 6 1 634d 634d
BUG: soft lockup in sys_perf_event_open perf 1 1 698d 694d
BUG: using __this_cpu_add() in preemptible code in graph_lock perf 4 1 741d 737d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (3) perf 6 2 677d 687d
WARNING: suspicious RCU usage in __schedule (2) perf 4 1 744d 740d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state perf 6 1 697d 697d
KCSAN: data-race in __change_pid / perf_event_switch_output (2) perf 6 1 706d 706d
KASAN: use-after-free Read in refcount_sub_and_test_checked (2) perf 19 syz done error 10 2267d 2674d
KCSAN: data-race in __change_pid / perf_event_switch_output perf 6 1 760d 760d
WARNING in ctx_sched_in (2) perf -1 1 832d 828d
KCSAN: data-race in perf_event_set_state / perf_event_update_userpage perf 6 1 785d 785d
KCSAN: data-race in detach_pid / perf_event_switch_output (4) perf 6 1 802d 802d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (2) perf 6 1 826d 826d
KCSAN: data-race in ctx_sched_out / perf_event_update_time perf 6 1 897d 870d
INFO: task hung in perf_event_free_task perf 1 C done error 40 962d 2470d
KCSAN: data-race in detach_pid / perf_event_switch_output (3) perf 6 1 957d 957d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (8) perf 6 2 1014d 1030d
KCSAN: data-race in perf_event_set_state / perf_event_update_time perf 6 2 1025d 1032d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event (4) perf 6 2 1037d 1039d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (5) perf 6 2 1045d 1047d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (4) perf 6 1 1111d 1111d
INFO: task can't die in perf_event_free_task perf 1 syz unreliable 6 1287d 1987d
WARNING: held lock freed in uprobe_unregister trace perf 4 C error 3 1908d 1911d
KCSAN: data-race in event_sched_out / perf_event_update_time (4) perf 6 1 1221d 1221d
KCSAN: data-race in __perf_event_read_value / event_sched_out (6) perf 6 1 1244d 1244d
INFO: rcu detected stall in __perf_sw_event perf 1 syz done error 99 1819d 2638d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (7) perf 6 3 1262d 1313d
KCSAN: data-race in __perf_event_read_value / event_sched_out (5) perf 6 5 1282d 1339d
possible deadlock in down_trylock (2) perf 4 C error error 17 1465d 2736d
KCSAN: data-race in event_sched_out / perf_event_update_time (3) perf 6 1 1322d 1322d
possible deadlock in perf_event_ctx_lock_nested (2) perf 4 syz done 12 1651d 1808d
INFO: rcu detected stall in inet_sendmsg (3) perf 1 syz error error 68 1464d 2102d
KCSAN: data-race in event_sched_out / perf_event_update_time (2) perf 6 1 1358d 1358d
WARNING in add_event_to_ctx perf -1 C done done 7 2493d 2505d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event (3) perf 6 1 1369d 1369d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (3) perf 6 1 1393d 1393d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (5) perf 6 1 1405d 1405d
KCSAN: data-race in __perf_event_read_value / event_sched_out (4) perf 6 1 1405d 1405d
KCSAN: data-race in event_sched_out / perf_event_update_time perf 6 2 1446d 1461d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (2) perf 6 1 1458d 1458d
KCSAN: data-race in __perf_event_read_value / event_sched_out (3) perf 6 2 1468d 1484d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (5) perf 6 2 1480d 1487d
KCSAN: data-race in event_sched_in / perf_mmap (3) perf 6 1 1485d 1485d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (6) perf 6 2 1486d 1494d
KCSAN: data-race in arch_perf_update_userpage / perf_mmap perf 6 2 1494d 1507d
general protection fault in perf_tp_event (3) perf 2 9 1587d 1671d
KCSAN: data-race in __perf_event_read / perf_mmap perf 6 1 1504d 1504d
KMSAN: uninit-value in __perf_event_task_sched_in perf 7 1 1580d 1580d
KCSAN: data-race in __perf_event_read_value / event_sched_out (2) perf 6 3 1526d 1565d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (5) perf 6 3 1532d 1539d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (4) perf 6 1 1534d 1534d
KCSAN: data-race in event_sched_in / perf_mmap (2) perf 6 1 1534d 1534d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (4) perf 6 1 1546d 1546d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event perf 6 1 1547d 1547d
KMSAN: uninit-value in build_id_parse (2) perf 7 3 1604d 1615d
KCSAN: data-race in event_sched_out / perf_mmap perf 6 7 1552d 1636d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event (2) perf 6 1 1554d 1554d
INFO: rcu detected stall in mrp_periodic_timer (3) perf 1 1 1575d 1575d
INFO: rcu detected stall in estimation_timer (2) perf 1 1 1580d 1580d
INFO: rcu detected stall in __mod_timer (3) perf 1 24 1549d 1775d
INFO: rcu detected stall in sys_sendto (5) perf 1 7 1549d 1670d
INFO: task hung in uprobe_start_dup_mmap (2) perf trace 1 4 1568d 1582d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (7) perf 6 2 1576d 1583d
INFO: rcu detected stall in read_iter_zero (3) perf 1 1 1633d 1633d
INFO: rcu detected stall in sys_io_submit perf 1 1 1634d 1634d
general protection fault in perf_cgroup_switch perf 2 1 1643d 1639d
possible deadlock in register_for_each_vma (2) trace perf 4 1 1677d 1674d
KCSAN: data-race in detach_pid / perf_event_switch_output (2) perf 6 1 1592d 1592d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (3) perf 6 1 1598d 1598d
KCSAN: data-race in __perf_event_read_value / event_sched_out perf 6 6 1602d 1677d
INFO: rcu detected stall in tipc_sendstream perf 1 1 1644d 1644d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (6) perf 6 1 1626d 1626d
INFO: task hung in perf_event_alloc perf 1 1 1683d 1683d
KCSAN: data-race in event_sched_in / perf_mmap perf 6 1 1629d 1623d
KCSAN: data-race in ctx_sched_out / perf_mmap perf 6 2 1639d 1645d
INFO: rcu detected stall in perf_event_open (2) perf 1 1 1674d 1674d
KCSAN: data-race in __perf_event_read_value / event_sched_in perf 6 2 1650d 1663d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event perf 6 1 1667d 1667d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (5) perf 6 1 1677d 1677d
KCSAN: data-race in detach_pid / perf_event_switch_output perf 6 16 1677d 1828d
WARNING in ctx_sched_in perf -1 33 1775d 1839d
INFO: task hung in perf_event_exit_task perf 1 25 1748d 1848d
KCSAN: data-race in copy_page_from_iter_atomic / uprobe_write_opcode trace perf 6 1 1695d 1695d
WARNING in __perf_install_in_context perf -1 6 1785d 1808d
WARNING in task_ctx_sched_out perf -1 2 1788d 1808d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (4) perf 6 1 1703d 1703d
INFO: rcu detected stall in read_iter_zero (2) perf 1 1 1769d 1769d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (3) perf 6 1 1717d 1717d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (4) perf 6 1 1727d 1727d
WARNING in ctx_sched_out perf -1 2 1841d 1808d
KMSAN: uninit-value in build_id_parse perf 7 3 1818d 1828d
possible deadlock in register_for_each_vma perf trace 4 1 1864d 1860d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (3) perf 6 2 1791d 1802d
general protection fault in perf_tp_event (2) perf 2 109 1882d 2123d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (2) perf 6 1 1815d 1815d
KCSAN: data-race in __perf_event_header__init_id / detach_pid perf 6 1 1836d 1836d
KCSAN: data-race in find_get_context / find_get_context perf 6 1 1837d 1837d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (2) perf 6 1 1838d 1838d
BUG: KFENCE: use-after-free read in find_uprobe perf trace -1 1 1912d 1912d
WARNING: refcount bug in uprobe_mmap trace perf 13 1 1912d 1912d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (3) perf 6 1 1917d 1917d
KCSAN: data-race in event_sched_in / perf_event_update_userpage perf 6 1 1920d 1920d
INFO: rcu detected stall in __do_sys_bpf perf 1 1 2021d 2021d
INFO: rcu detected stall in __do_sys_perf_event_open perf 1 2 2063d 2065d
KCSAN: data-race in event_sched_out / perf_event_update_userpage perf 6 1 2008d 2008d
KMSAN: uninit-value in x86_pmu_stop perf 7 1 2069d 2069d
BUG: unable to handle kernel paging request in perf_misc_flags perf 8 1 2070d 2066d
BUG: corrupted list in event_sched_out perf 8 1 2072d 2068d
general protection fault in perf_tp_event_match (2) perf 2 356 2127d 2455d
BUG: unable to handle kernel NULL pointer dereference in perf_misc_flags perf 10 2 2111d 2121d
BUG: soft lockup in perf_release (2) perf 1 2 2122d 2118d
general protection fault in msr_event_init perf 2 1 2125d 2121d
INFO: rcu detected stall in __se_sys_perf_event_open perf 1 1 2125d 2125d
general protection fault in perf_misc_flags perf 2 7 2040d 2048d
KCSAN: data-race in perf_event_exit_task / perf_event_exit_task perf 6 1 2071d 2071d
INFO: rcu detected stall in sys_sendto (4) perf 1 1 2128d 2128d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (2) perf 6 1 2108d 2108d
WARNING: locking bug in __perf_event_task_sched_in perf 4 2 2213d 2247d
KASAN: out-of-bounds Read in perf_assign_events perf 17 1 2196d 2192d
KCSAN: data-race in perf_event_wakeup / perf_event_wakeup perf 6 1 2176d 2176d
BUG: unable to handle kernel NULL pointer dereference in smp_call_function_many_cond perf 10 1 2145d 2145d
KCSAN: data-race in calc_timer_values / perf_event_update_time perf 6 8 2249d 2361d
KCSAN: data-race in __change_pid / __task_pid_nr_ns (2) perf 6 1 2269d 2269d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage perf 6 4 2281d 2367d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (2) perf 6 1 2324d 2324d
KCSAN: data-race in mmap_region / register_for_each_vma perf trace 6 1 2331d 2331d
INFO: rcu detected stall in sys_perf_event_open (4) perf 1 1 2303d 2303d
INFO: rcu detected stall in sys_perf_event_open (3) perf 1 1 2303d 2303d
INFO: rcu detected stall in sys_perf_event_open (2) perf 1 8 2338d 2339d
INFO: task hung in perf_ioctl perf 1 1 2342d 2341d
INFO: task hung in perf_event_release_kernel perf 1 18 2342d 2343d
KCSAN: data-race in ns_capable_common / prepare_signal perf 6 1 2365d 2365d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage perf 6 1 2368d 2368d
general protection fault in perf_tp_event perf 2 423 2493d 2917d
KASAN: use-after-free Read in _free_event perf 19 1 2502d 2501d
INFO: task hung in uprobe_start_dup_mmap trace perf 1 196 2577d 2791d
INFO: task hung in register_for_each_vma perf trace 1 1 2644d 2644d
possible deadlock in uprobe_clear_state perf trace 4 2 2657d 2695d
possible deadlock in percpu_down_write perf trace 4 2 2665d 2753d
possible deadlock in fs_reclaim_acquire perf trace 4 1 2670d 2669d
KASAN: slab-out-of-bounds Read in perf_exclude_event perf 17 5 2689d 2678d
general protection fault in uprobe_mmap perf trace 2 1 2712d 2710d
INFO: rcu detected stall in sys_perf_event_open perf 1 1 2782d 2780d
INFO: task hung in __do_sys_perf_event_open perf 1 1 2847d 2845d
general protection fault in perf_tp_event_match perf 2 1 2849d 2849d
possible deadlock in perf_event_for_each_child perf 4 135 3009d 3018d
possible deadlock in perf_event_ctx_lock_nested perf 4 8914 3056d 3106d
INFO: rcu detected stall in smp_call_function_many perf 1 138 2801d 2956d
BUG: soft lockup in __msan_metadata_ptr_for_load_4 perf 1 243 2789d 2850d
general protection fault in __perf_event_task_sched_in perf 2 1 2856d 2855d
BUG: soft lockup in event_function_call perf 1 25 2795d 2847d
INFO: rcu detected stall in event_function_call perf 1 5 2802d 2840d
INFO: task hung in rwsem_down_read_failed perf 1 8 3007d 3054d