syzbot


Out of 169 bugs, 146 were automatically obsoleted (11 due to revoked reproducers), 23 were invalidated by users.
Applied filters: Label=subsystems:perf (drop)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
BUG: soft lockup in xfrm_timer_handler (2) perf 1 1 93d 89d
BUG: soft lockup in packet_rcv perf trace 1 2 71d 123d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (5) perf 6 2 167d 181d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (5) perf 6 3 175d 193d
BUG: soft lockup in __sk_destruct perf 1 1 256d 256d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (4) perf 6 1 291d 291d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (3) perf 6 4 387d 438d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (4) perf 6 2 397d 401d
KCSAN: data-race in _free_event / perf_pending_task (2) perf 6 9 400d 511d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (9) perf 6 1 468d 468d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (2) perf 6 1 506d 506d
KASAN: slab-use-after-free Read in filter_chain perf trace 19 13 544d 602d
KASAN: slab-use-after-free Read in uprobe_mmap perf trace 19 67 546d 593d
WARNING in free_event perf -1 C unreliable done 1 608d 805d
KASAN: slab-use-after-free Read in uprobe_unregister trace perf 19 C unreliable 5 567d 565d
KCSAN: data-race in _free_event / perf_pending_task perf 6 6 556d 586d
KCSAN: data-race in __change_pid / perf_event_switch_output (3) perf 6 1 583d 583d
BUG: soft lockup in sys_perf_event_open perf 1 1 647d 643d
BUG: using __this_cpu_add() in preemptible code in graph_lock perf 4 1 690d 686d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (3) perf 6 2 626d 637d
WARNING: suspicious RCU usage in __schedule (2) perf 4 1 694d 690d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state perf 6 1 646d 646d
KCSAN: data-race in __change_pid / perf_event_switch_output (2) perf 6 1 655d 655d
KASAN: use-after-free Read in refcount_sub_and_test_checked (2) perf 19 syz done error 10 2216d 2623d
KCSAN: data-race in __change_pid / perf_event_switch_output perf 6 1 709d 709d
WARNING in ctx_sched_in (2) perf -1 1 781d 777d
KCSAN: data-race in perf_event_set_state / perf_event_update_userpage perf 6 1 734d 734d
KCSAN: data-race in detach_pid / perf_event_switch_output (4) perf 6 1 751d 751d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (2) perf 6 1 776d 776d
KCSAN: data-race in ctx_sched_out / perf_event_update_time perf 6 1 846d 819d
INFO: task hung in perf_event_free_task perf 1 C done error 40 911d 2420d
KCSAN: data-race in detach_pid / perf_event_switch_output (3) perf 6 1 906d 906d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (8) perf 6 2 963d 979d
KCSAN: data-race in perf_event_set_state / perf_event_update_time perf 6 2 974d 981d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event (4) perf 6 2 986d 988d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (5) perf 6 2 994d 996d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (4) perf 6 1 1060d 1060d
INFO: task can't die in perf_event_free_task perf 1 syz unreliable 6 1236d 1936d
WARNING: held lock freed in uprobe_unregister trace perf 4 C error 3 1858d 1860d
KCSAN: data-race in event_sched_out / perf_event_update_time (4) perf 6 1 1170d 1170d
KCSAN: data-race in __perf_event_read_value / event_sched_out (6) perf 6 1 1193d 1193d
INFO: rcu detected stall in __perf_sw_event perf 1 syz done error 99 1768d 2587d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (7) perf 6 3 1211d 1262d
KCSAN: data-race in __perf_event_read_value / event_sched_out (5) perf 6 5 1231d 1288d
possible deadlock in down_trylock (2) perf 4 C error error 17 1414d 2685d
KCSAN: data-race in event_sched_out / perf_event_update_time (3) perf 6 1 1272d 1272d
possible deadlock in perf_event_ctx_lock_nested (2) perf 4 syz done 12 1600d 1757d
INFO: rcu detected stall in inet_sendmsg (3) perf 1 syz error error 68 1413d 2052d
KCSAN: data-race in event_sched_out / perf_event_update_time (2) perf 6 1 1307d 1307d
WARNING in add_event_to_ctx perf -1 C done done 7 2442d 2454d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event (3) perf 6 1 1318d 1318d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (3) perf 6 1 1342d 1342d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (5) perf 6 1 1354d 1354d
KCSAN: data-race in __perf_event_read_value / event_sched_out (4) perf 6 1 1354d 1354d
KCSAN: data-race in event_sched_out / perf_event_update_time perf 6 2 1396d 1410d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (2) perf 6 1 1407d 1407d
KCSAN: data-race in __perf_event_read_value / event_sched_out (3) perf 6 2 1417d 1434d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (5) perf 6 2 1429d 1436d
KCSAN: data-race in event_sched_in / perf_mmap (3) perf 6 1 1434d 1434d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (6) perf 6 2 1435d 1443d
KCSAN: data-race in arch_perf_update_userpage / perf_mmap perf 6 2 1443d 1456d
general protection fault in perf_tp_event (3) perf 2 9 1536d 1620d
KCSAN: data-race in __perf_event_read / perf_mmap perf 6 1 1453d 1453d
KMSAN: uninit-value in __perf_event_task_sched_in perf 7 1 1530d 1530d
KCSAN: data-race in __perf_event_read_value / event_sched_out (2) perf 6 3 1475d 1514d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (5) perf 6 3 1481d 1488d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (4) perf 6 1 1483d 1483d
KCSAN: data-race in event_sched_in / perf_mmap (2) perf 6 1 1484d 1484d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (4) perf 6 1 1495d 1495d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event perf 6 1 1496d 1496d
KMSAN: uninit-value in build_id_parse (2) perf 7 3 1553d 1564d
KCSAN: data-race in event_sched_out / perf_mmap perf 6 7 1501d 1585d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event (2) perf 6 1 1503d 1503d
INFO: rcu detected stall in mrp_periodic_timer (3) perf 1 1 1524d 1524d
INFO: rcu detected stall in estimation_timer (2) perf 1 1 1529d 1529d
INFO: rcu detected stall in __mod_timer (3) perf 1 24 1499d 1724d
INFO: rcu detected stall in sys_sendto (5) perf 1 7 1498d 1619d
INFO: task hung in uprobe_start_dup_mmap (2) perf trace 1 4 1517d 1532d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (7) perf 6 2 1525d 1532d
INFO: rcu detected stall in read_iter_zero (3) perf 1 1 1582d 1582d
INFO: rcu detected stall in sys_io_submit perf 1 1 1583d 1583d
general protection fault in perf_cgroup_switch perf 2 1 1592d 1588d
possible deadlock in register_for_each_vma (2) trace perf 4 1 1626d 1624d
KCSAN: data-race in detach_pid / perf_event_switch_output (2) perf 6 1 1541d 1541d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (3) perf 6 1 1547d 1547d
KCSAN: data-race in __perf_event_read_value / event_sched_out perf 6 6 1552d 1627d
INFO: rcu detected stall in tipc_sendstream perf 1 1 1593d 1593d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (6) perf 6 1 1575d 1575d
INFO: task hung in perf_event_alloc perf 1 1 1633d 1633d
KCSAN: data-race in event_sched_in / perf_mmap perf 6 1 1578d 1572d
KCSAN: data-race in ctx_sched_out / perf_mmap perf 6 2 1588d 1594d
INFO: rcu detected stall in perf_event_open (2) perf 1 1 1624d 1624d
KCSAN: data-race in __perf_event_read_value / event_sched_in perf 6 2 1599d 1612d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event perf 6 1 1616d 1616d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (5) perf 6 1 1626d 1626d
KCSAN: data-race in detach_pid / perf_event_switch_output perf 6 16 1627d 1778d
WARNING in ctx_sched_in perf -1 33 1725d 1788d
INFO: task hung in perf_event_exit_task perf 1 25 1697d 1797d
KCSAN: data-race in copy_page_from_iter_atomic / uprobe_write_opcode trace perf 6 1 1644d 1644d
WARNING in __perf_install_in_context perf -1 6 1734d 1757d
WARNING in task_ctx_sched_out perf -1 2 1737d 1757d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (4) perf 6 1 1653d 1653d
INFO: rcu detected stall in read_iter_zero (2) perf 1 1 1719d 1719d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (3) perf 6 1 1666d 1666d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (4) perf 6 1 1676d 1676d
WARNING in ctx_sched_out perf -1 2 1790d 1757d
KMSAN: uninit-value in build_id_parse perf 7 3 1767d 1778d
possible deadlock in register_for_each_vma perf trace 4 1 1813d 1809d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (3) perf 6 2 1740d 1751d
general protection fault in perf_tp_event (2) perf 2 109 1831d 2072d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (2) perf 6 1 1764d 1764d
KCSAN: data-race in __perf_event_header__init_id / detach_pid perf 6 1 1785d 1785d
KCSAN: data-race in find_get_context / find_get_context perf 6 1 1786d 1786d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (2) perf 6 1 1788d 1788d
BUG: KFENCE: use-after-free read in find_uprobe perf trace -1 1 1861d 1861d
WARNING: refcount bug in uprobe_mmap trace perf 13 1 1861d 1861d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (3) perf 6 1 1866d 1866d
KCSAN: data-race in event_sched_in / perf_event_update_userpage perf 6 1 1869d 1869d
INFO: rcu detected stall in __do_sys_bpf perf 1 1 1970d 1970d
INFO: rcu detected stall in __do_sys_perf_event_open perf 1 2 2012d 2014d
KCSAN: data-race in event_sched_out / perf_event_update_userpage perf 6 1 1957d 1957d
KMSAN: uninit-value in x86_pmu_stop perf 7 1 2018d 2018d
BUG: unable to handle kernel paging request in perf_misc_flags perf 8 1 2019d 2015d
BUG: corrupted list in event_sched_out perf 8 1 2022d 2018d
general protection fault in perf_tp_event_match (2) perf 2 356 2076d 2405d
BUG: unable to handle kernel NULL pointer dereference in perf_misc_flags perf 10 2 2060d 2071d
BUG: soft lockup in perf_release (2) perf 1 2 2071d 2068d
general protection fault in msr_event_init perf 2 1 2074d 2070d
INFO: rcu detected stall in __se_sys_perf_event_open perf 1 1 2074d 2074d
general protection fault in perf_misc_flags perf 2 7 1989d 1997d
KCSAN: data-race in perf_event_exit_task / perf_event_exit_task perf 6 1 2020d 2020d
INFO: rcu detected stall in sys_sendto (4) perf 1 1 2077d 2077d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (2) perf 6 1 2057d 2057d
WARNING: locking bug in __perf_event_task_sched_in perf 4 2 2162d 2196d
KASAN: out-of-bounds Read in perf_assign_events perf 17 1 2146d 2142d
KCSAN: data-race in perf_event_wakeup / perf_event_wakeup perf 6 1 2125d 2125d
BUG: unable to handle kernel NULL pointer dereference in smp_call_function_many_cond perf 10 1 2094d 2094d
KCSAN: data-race in calc_timer_values / perf_event_update_time perf 6 8 2198d 2310d
KCSAN: data-race in __change_pid / __task_pid_nr_ns (2) perf 6 1 2218d 2218d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage perf 6 4 2231d 2316d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (2) perf 6 1 2273d 2273d
KCSAN: data-race in mmap_region / register_for_each_vma perf trace 6 1 2280d 2280d
INFO: rcu detected stall in sys_perf_event_open (4) perf 1 1 2252d 2252d
INFO: rcu detected stall in sys_perf_event_open (3) perf 1 1 2252d 2252d
INFO: rcu detected stall in sys_perf_event_open (2) perf 1 8 2287d 2288d
INFO: task hung in perf_ioctl perf 1 1 2291d 2291d
INFO: task hung in perf_event_release_kernel perf 1 18 2291d 2292d
KCSAN: data-race in ns_capable_common / prepare_signal perf 6 1 2314d 2314d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage perf 6 1 2317d 2317d
general protection fault in perf_tp_event perf 2 423 2442d 2866d
KASAN: use-after-free Read in _free_event perf 19 1 2451d 2450d
INFO: task hung in uprobe_start_dup_mmap trace perf 1 196 2526d 2741d
INFO: task hung in register_for_each_vma perf trace 1 1 2594d 2593d
possible deadlock in uprobe_clear_state perf trace 4 2 2606d 2644d
possible deadlock in percpu_down_write perf trace 4 2 2614d 2702d
possible deadlock in fs_reclaim_acquire perf trace 4 1 2619d 2618d
KASAN: slab-out-of-bounds Read in perf_exclude_event perf 17 5 2639d 2627d
general protection fault in uprobe_mmap perf trace 2 1 2661d 2659d
INFO: rcu detected stall in sys_perf_event_open perf 1 1 2732d 2729d
INFO: task hung in __do_sys_perf_event_open perf 1 1 2796d 2794d
general protection fault in perf_tp_event_match perf 2 1 2799d 2799d
possible deadlock in perf_event_for_each_child perf 4 135 2958d 2967d
possible deadlock in perf_event_ctx_lock_nested perf 4 8914 3005d 3055d
INFO: rcu detected stall in smp_call_function_many perf 1 138 2750d 2905d
BUG: soft lockup in __msan_metadata_ptr_for_load_4 perf 1 243 2738d 2799d
general protection fault in __perf_event_task_sched_in perf 2 1 2805d 2805d
BUG: soft lockup in event_function_call perf 1 25 2744d 2796d
INFO: rcu detected stall in event_function_call perf 1 5 2751d 2789d
INFO: task hung in rwsem_down_read_failed perf 1 8 2956d 3003d