syzbot


Out of 168 bugs, 145 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 packet_rcv perf trace 1 2 66d 118d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (5) perf 6 2 163d 176d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (5) perf 6 3 171d 188d
BUG: soft lockup in __sk_destruct perf 1 1 251d 251d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (4) perf 6 1 287d 287d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (3) perf 6 4 383d 433d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (4) perf 6 2 393d 396d
KCSAN: data-race in _free_event / perf_pending_task (2) perf 6 9 395d 506d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (9) perf 6 1 463d 463d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (2) perf 6 1 501d 501d
KASAN: slab-use-after-free Read in filter_chain perf trace 19 13 539d 597d
KASAN: slab-use-after-free Read in uprobe_mmap perf trace 19 67 541d 588d
WARNING in free_event perf -1 C unreliable done 1 603d 800d
KASAN: slab-use-after-free Read in uprobe_unregister trace perf 19 C unreliable 5 562d 561d
KCSAN: data-race in _free_event / perf_pending_task perf 6 6 551d 581d
KCSAN: data-race in __change_pid / perf_event_switch_output (3) perf 6 1 578d 578d
BUG: soft lockup in sys_perf_event_open perf 1 1 643d 639d
BUG: using __this_cpu_add() in preemptible code in graph_lock perf 4 1 685d 681d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (3) perf 6 2 621d 632d
WARNING: suspicious RCU usage in __schedule (2) perf 4 1 689d 685d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state perf 6 1 641d 641d
KCSAN: data-race in __change_pid / perf_event_switch_output (2) perf 6 1 650d 650d
KASAN: use-after-free Read in refcount_sub_and_test_checked (2) perf 19 syz done error 10 2212d 2618d
KCSAN: data-race in __change_pid / perf_event_switch_output perf 6 1 704d 704d
WARNING in ctx_sched_in (2) perf -1 1 776d 772d
KCSAN: data-race in perf_event_set_state / perf_event_update_userpage perf 6 1 729d 729d
KCSAN: data-race in detach_pid / perf_event_switch_output (4) perf 6 1 746d 746d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (2) perf 6 1 771d 771d
KCSAN: data-race in ctx_sched_out / perf_event_update_time perf 6 1 841d 815d
INFO: task hung in perf_event_free_task perf 1 C done error 40 906d 2415d
KCSAN: data-race in detach_pid / perf_event_switch_output (3) perf 6 1 901d 901d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (8) perf 6 2 958d 974d
KCSAN: data-race in perf_event_set_state / perf_event_update_time perf 6 2 969d 977d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event (4) perf 6 2 981d 983d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (5) perf 6 2 989d 991d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (4) perf 6 1 1056d 1056d
INFO: task can't die in perf_event_free_task perf 1 syz unreliable 6 1231d 1931d
WARNING: held lock freed in uprobe_unregister trace perf 4 C error 3 1853d 1855d
KCSAN: data-race in event_sched_out / perf_event_update_time (4) perf 6 1 1165d 1165d
KCSAN: data-race in __perf_event_read_value / event_sched_out (6) perf 6 1 1189d 1189d
INFO: rcu detected stall in __perf_sw_event perf 1 syz done error 99 1763d 2582d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (7) perf 6 3 1206d 1258d
KCSAN: data-race in __perf_event_read_value / event_sched_out (5) perf 6 5 1226d 1283d
possible deadlock in down_trylock (2) perf 4 C error error 17 1409d 2680d
KCSAN: data-race in event_sched_out / perf_event_update_time (3) perf 6 1 1267d 1267d
possible deadlock in perf_event_ctx_lock_nested (2) perf 4 syz done 12 1595d 1752d
INFO: rcu detected stall in inet_sendmsg (3) perf 1 syz error error 68 1408d 2047d
KCSAN: data-race in event_sched_out / perf_event_update_time (2) perf 6 1 1302d 1302d
WARNING in add_event_to_ctx perf -1 C done done 7 2437d 2449d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event (3) perf 6 1 1313d 1313d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (3) perf 6 1 1337d 1337d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (5) perf 6 1 1349d 1349d
KCSAN: data-race in __perf_event_read_value / event_sched_out (4) perf 6 1 1350d 1350d
KCSAN: data-race in event_sched_out / perf_event_update_time perf 6 2 1391d 1405d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (2) perf 6 1 1403d 1403d
KCSAN: data-race in __perf_event_read_value / event_sched_out (3) perf 6 2 1412d 1429d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (5) perf 6 2 1424d 1431d
KCSAN: data-race in event_sched_in / perf_mmap (3) perf 6 1 1430d 1430d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (6) perf 6 2 1430d 1438d
KCSAN: data-race in arch_perf_update_userpage / perf_mmap perf 6 2 1438d 1451d
general protection fault in perf_tp_event (3) perf 2 9 1531d 1615d
KCSAN: data-race in __perf_event_read / perf_mmap perf 6 1 1449d 1449d
KMSAN: uninit-value in __perf_event_task_sched_in perf 7 1 1525d 1525d
KCSAN: data-race in __perf_event_read_value / event_sched_out (2) perf 6 3 1470d 1509d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (5) perf 6 3 1476d 1483d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (4) perf 6 1 1478d 1478d
KCSAN: data-race in event_sched_in / perf_mmap (2) perf 6 1 1479d 1479d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (4) perf 6 1 1490d 1490d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event perf 6 1 1491d 1491d
KMSAN: uninit-value in build_id_parse (2) perf 7 3 1548d 1559d
KCSAN: data-race in event_sched_out / perf_mmap perf 6 7 1497d 1580d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event (2) perf 6 1 1498d 1498d
INFO: rcu detected stall in mrp_periodic_timer (3) perf 1 1 1519d 1519d
INFO: rcu detected stall in estimation_timer (2) perf 1 1 1525d 1525d
INFO: rcu detected stall in __mod_timer (3) perf 1 24 1494d 1720d
INFO: rcu detected stall in sys_sendto (5) perf 1 7 1494d 1614d
INFO: task hung in uprobe_start_dup_mmap (2) perf trace 1 4 1512d 1527d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (7) perf 6 2 1521d 1527d
INFO: rcu detected stall in read_iter_zero (3) perf 1 1 1577d 1577d
INFO: rcu detected stall in sys_io_submit perf 1 1 1578d 1578d
general protection fault in perf_cgroup_switch perf 2 1 1587d 1583d
possible deadlock in register_for_each_vma (2) trace perf 4 1 1621d 1619d
KCSAN: data-race in detach_pid / perf_event_switch_output (2) perf 6 1 1537d 1537d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (3) perf 6 1 1542d 1542d
KCSAN: data-race in __perf_event_read_value / event_sched_out perf 6 6 1547d 1622d
INFO: rcu detected stall in tipc_sendstream perf 1 1 1588d 1588d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (6) perf 6 1 1570d 1570d
INFO: task hung in perf_event_alloc perf 1 1 1628d 1628d
KCSAN: data-race in event_sched_in / perf_mmap perf 6 1 1573d 1567d
KCSAN: data-race in ctx_sched_out / perf_mmap perf 6 2 1584d 1590d
INFO: rcu detected stall in perf_event_open (2) perf 1 1 1619d 1619d
KCSAN: data-race in __perf_event_read_value / event_sched_in perf 6 2 1594d 1608d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event perf 6 1 1611d 1611d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (5) perf 6 1 1621d 1621d
KCSAN: data-race in detach_pid / perf_event_switch_output perf 6 16 1622d 1773d
WARNING in ctx_sched_in perf -1 33 1720d 1783d
INFO: task hung in perf_event_exit_task perf 1 25 1692d 1792d
KCSAN: data-race in copy_page_from_iter_atomic / uprobe_write_opcode trace perf 6 1 1639d 1639d
WARNING in __perf_install_in_context perf -1 6 1729d 1752d
WARNING in task_ctx_sched_out perf -1 2 1732d 1752d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (4) perf 6 1 1648d 1648d
INFO: rcu detected stall in read_iter_zero (2) perf 1 1 1714d 1714d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (3) perf 6 1 1661d 1661d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (4) perf 6 1 1671d 1671d
WARNING in ctx_sched_out perf -1 2 1785d 1752d
KMSAN: uninit-value in build_id_parse perf 7 3 1762d 1773d
possible deadlock in register_for_each_vma perf trace 4 1 1808d 1804d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (3) perf 6 2 1735d 1746d
general protection fault in perf_tp_event (2) perf 2 109 1826d 2067d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (2) perf 6 1 1759d 1759d
KCSAN: data-race in __perf_event_header__init_id / detach_pid perf 6 1 1780d 1780d
KCSAN: data-race in find_get_context / find_get_context perf 6 1 1781d 1781d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (2) perf 6 1 1783d 1783d
BUG: KFENCE: use-after-free read in find_uprobe perf trace -1 1 1856d 1856d
WARNING: refcount bug in uprobe_mmap trace perf 13 1 1856d 1856d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (3) perf 6 1 1861d 1861d
KCSAN: data-race in event_sched_in / perf_event_update_userpage perf 6 1 1865d 1865d
INFO: rcu detected stall in __do_sys_bpf perf 1 1 1965d 1965d
INFO: rcu detected stall in __do_sys_perf_event_open perf 1 2 2007d 2009d
KCSAN: data-race in event_sched_out / perf_event_update_userpage perf 6 1 1953d 1953d
KMSAN: uninit-value in x86_pmu_stop perf 7 1 2013d 2013d
BUG: unable to handle kernel paging request in perf_misc_flags perf 8 1 2014d 2010d
BUG: corrupted list in event_sched_out perf 8 1 2017d 2013d
general protection fault in perf_tp_event_match (2) perf 2 356 2071d 2400d
BUG: unable to handle kernel NULL pointer dereference in perf_misc_flags perf 10 2 2055d 2066d
BUG: soft lockup in perf_release (2) perf 1 2 2066d 2063d
general protection fault in msr_event_init perf 2 1 2069d 2065d
INFO: rcu detected stall in __se_sys_perf_event_open perf 1 1 2070d 2070d
general protection fault in perf_misc_flags perf 2 7 1984d 1992d
KCSAN: data-race in perf_event_exit_task / perf_event_exit_task perf 6 1 2016d 2016d
INFO: rcu detected stall in sys_sendto (4) perf 1 1 2072d 2072d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (2) perf 6 1 2052d 2052d
WARNING: locking bug in __perf_event_task_sched_in perf 4 2 2157d 2191d
KASAN: out-of-bounds Read in perf_assign_events perf 17 1 2141d 2137d
KCSAN: data-race in perf_event_wakeup / perf_event_wakeup perf 6 1 2120d 2120d
BUG: unable to handle kernel NULL pointer dereference in smp_call_function_many_cond perf 10 1 2089d 2089d
KCSAN: data-race in calc_timer_values / perf_event_update_time perf 6 8 2193d 2305d
KCSAN: data-race in __change_pid / __task_pid_nr_ns (2) perf 6 1 2214d 2214d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage perf 6 4 2226d 2311d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (2) perf 6 1 2268d 2268d
KCSAN: data-race in mmap_region / register_for_each_vma perf trace 6 1 2275d 2275d
INFO: rcu detected stall in sys_perf_event_open (4) perf 1 1 2247d 2247d
INFO: rcu detected stall in sys_perf_event_open (3) perf 1 1 2248d 2248d
INFO: rcu detected stall in sys_perf_event_open (2) perf 1 8 2282d 2284d
INFO: task hung in perf_ioctl perf 1 1 2286d 2286d
INFO: task hung in perf_event_release_kernel perf 1 18 2286d 2287d
KCSAN: data-race in ns_capable_common / prepare_signal perf 6 1 2309d 2309d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage perf 6 1 2312d 2312d
general protection fault in perf_tp_event perf 2 423 2437d 2861d
KASAN: use-after-free Read in _free_event perf 19 1 2446d 2445d
INFO: task hung in uprobe_start_dup_mmap trace perf 1 196 2522d 2736d
INFO: task hung in register_for_each_vma perf trace 1 1 2589d 2589d
possible deadlock in uprobe_clear_state perf trace 4 2 2602d 2639d
possible deadlock in percpu_down_write perf trace 4 2 2609d 2697d
possible deadlock in fs_reclaim_acquire perf trace 4 1 2615d 2613d
KASAN: slab-out-of-bounds Read in perf_exclude_event perf 17 5 2634d 2622d
general protection fault in uprobe_mmap perf trace 2 1 2656d 2654d
INFO: rcu detected stall in sys_perf_event_open perf 1 1 2727d 2725d
INFO: task hung in __do_sys_perf_event_open perf 1 1 2791d 2789d
general protection fault in perf_tp_event_match perf 2 1 2794d 2794d
possible deadlock in perf_event_for_each_child perf 4 135 2953d 2962d
possible deadlock in perf_event_ctx_lock_nested perf 4 8914 3001d 3050d
INFO: rcu detected stall in smp_call_function_many perf 1 138 2745d 2901d
BUG: soft lockup in __msan_metadata_ptr_for_load_4 perf 1 243 2733d 2794d
general protection fault in __perf_event_task_sched_in perf 2 1 2800d 2800d
BUG: soft lockup in event_function_call perf 1 25 2739d 2791d
INFO: rcu detected stall in event_function_call perf 1 5 2746d 2784d
INFO: task hung in rwsem_down_read_failed perf 1 8 2951d 2998d