syzbot


Out of 165 bugs, 143 were automatically obsoleted (11 due to revoked reproducers), 22 were invalidated by users.
Applied filters: Label=subsystems:perf (drop)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
BUG: soft lockup in __sk_destruct perf 1 1 55d 55d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (4) perf 6 1 91d 91d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (3) perf 6 4 187d 237d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (4) perf 6 2 197d 201d
KCSAN: data-race in _free_event / perf_pending_task (2) perf 6 9 199d 311d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (9) perf 6 1 268d 268d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state (2) perf 6 1 305d 305d
KASAN: slab-use-after-free Read in filter_chain trace perf 19 13 343d 401d
KASAN: slab-use-after-free Read in uprobe_mmap perf trace 19 67 345d 392d
WARNING in free_event perf -1 C unreliable done 1 407d 604d
KASAN: slab-use-after-free Read in uprobe_unregister perf trace 19 C unreliable 5 366d 365d
KCSAN: data-race in _free_event / perf_pending_task perf 6 6 356d 385d
KCSAN: data-race in __change_pid / perf_event_switch_output (3) perf 6 1 382d 382d
BUG: soft lockup in sys_perf_event_open perf 1 1 447d 443d
BUG: using __this_cpu_add() in preemptible code in graph_lock perf 4 1 490d 486d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (3) perf 6 2 425d 436d
WARNING: suspicious RCU usage in __schedule (2) perf 4 1 493d 489d
KCSAN: data-race in __perf_event_read_value / perf_event_set_state perf 6 1 446d 446d
KCSAN: data-race in __change_pid / perf_event_switch_output (2) perf 6 1 455d 455d
KASAN: use-after-free Read in refcount_sub_and_test_checked (2) perf 19 syz done error 10 2016d 2422d
KCSAN: data-race in __change_pid / perf_event_switch_output perf 6 1 509d 509d
WARNING in ctx_sched_in (2) perf -1 1 581d 577d
KCSAN: data-race in perf_event_set_state / perf_event_update_userpage perf 6 1 533d 533d
KCSAN: data-race in detach_pid / perf_event_switch_output (4) perf 6 1 551d 551d
KCSAN: data-race in perf_event_set_state / perf_event_update_time (2) perf 6 1 575d 575d
KCSAN: data-race in ctx_sched_out / perf_event_update_time perf 6 1 645d 619d
INFO: task hung in perf_event_free_task perf 1 C done error 40 710d 2219d
KCSAN: data-race in detach_pid / perf_event_switch_output (3) perf 6 1 705d 705d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (8) perf 6 2 763d 778d
KCSAN: data-race in perf_event_set_state / perf_event_update_time perf 6 2 773d 781d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event (4) perf 6 2 786d 787d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (5) perf 6 2 794d 796d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (4) perf 6 1 860d 860d
INFO: task can't die in perf_event_free_task perf 1 syz unreliable 6 1035d 1735d
WARNING: held lock freed in uprobe_unregister perf trace 4 C error 3 1657d 1659d
KCSAN: data-race in event_sched_out / perf_event_update_time (4) perf 6 1 969d 969d
KCSAN: data-race in __perf_event_read_value / event_sched_out (6) perf 6 1 993d 993d
INFO: rcu detected stall in __perf_sw_event perf 1 syz done error 99 1567d 2386d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (7) perf 6 3 1011d 1062d
KCSAN: data-race in __perf_event_read_value / event_sched_out (5) perf 6 5 1030d 1088d
possible deadlock in down_trylock (2) perf 4 C error error 17 1213d 2484d
KCSAN: data-race in event_sched_out / perf_event_update_time (3) perf 6 1 1071d 1071d
possible deadlock in perf_event_ctx_lock_nested (2) perf 4 syz done 12 1399d 1556d
INFO: rcu detected stall in inet_sendmsg (3) perf 1 syz error error 68 1213d 1851d
KCSAN: data-race in event_sched_out / perf_event_update_time (2) perf 6 1 1106d 1106d
WARNING in add_event_to_ctx perf -1 C done done 7 2241d 2253d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event (3) perf 6 1 1117d 1117d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (3) perf 6 1 1141d 1141d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (5) perf 6 1 1154d 1154d
KCSAN: data-race in __perf_event_read_value / event_sched_out (4) perf 6 1 1154d 1154d
KCSAN: data-race in event_sched_out / perf_event_update_time perf 6 2 1195d 1210d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event (2) perf 6 1 1207d 1207d
KCSAN: data-race in __perf_event_read_value / event_sched_out (3) perf 6 2 1216d 1233d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (5) perf 6 2 1229d 1235d
KCSAN: data-race in event_sched_in / perf_mmap (3) perf 6 1 1234d 1234d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (6) perf 6 2 1234d 1243d
KCSAN: data-race in arch_perf_update_userpage / perf_mmap perf 6 2 1243d 1256d
general protection fault in perf_tp_event (3) perf 2 9 1335d 1419d
KCSAN: data-race in __perf_event_read / perf_mmap perf 6 1 1253d 1253d
KMSAN: uninit-value in __perf_event_task_sched_in perf 7 1 1329d 1329d
KCSAN: data-race in __perf_event_read_value / event_sched_out (2) perf 6 3 1274d 1313d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (5) perf 6 3 1281d 1287d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (4) perf 6 1 1282d 1282d
KCSAN: data-race in event_sched_in / perf_mmap (2) perf 6 1 1283d 1283d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (4) perf 6 1 1294d 1294d
KCSAN: data-race in __perf_event_overflow / perf_event_exit_event perf 6 1 1295d 1295d
KMSAN: uninit-value in build_id_parse (2) perf 7 3 1353d 1363d
KCSAN: data-race in event_sched_out / perf_mmap perf 6 7 1301d 1384d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event (2) perf 6 1 1303d 1303d
INFO: rcu detected stall in mrp_periodic_timer (3) perf 1 1 1324d 1324d
INFO: rcu detected stall in estimation_timer (2) perf 1 1 1329d 1329d
INFO: rcu detected stall in __mod_timer (3) perf 1 24 1298d 1524d
INFO: rcu detected stall in sys_sendto (5) perf 1 7 1298d 1419d
INFO: task hung in uprobe_start_dup_mmap (2) perf trace 1 4 1316d 1331d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (7) perf 6 2 1325d 1331d
INFO: rcu detected stall in read_iter_zero (3) perf 1 1 1381d 1381d
INFO: rcu detected stall in sys_io_submit perf 1 1 1382d 1382d
general protection fault in perf_cgroup_switch perf 2 1 1391d 1387d
possible deadlock in register_for_each_vma (2) perf trace 4 1 1425d 1423d
KCSAN: data-race in detach_pid / perf_event_switch_output (2) perf 6 1 1341d 1341d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (3) perf 6 1 1347d 1347d
KCSAN: data-race in __perf_event_read_value / event_sched_out perf 6 6 1351d 1426d
INFO: rcu detected stall in tipc_sendstream perf 1 1 1393d 1393d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (6) perf 6 1 1374d 1374d
INFO: task hung in perf_event_alloc perf 1 1 1432d 1432d
KCSAN: data-race in event_sched_in / perf_mmap perf 6 1 1378d 1371d
KCSAN: data-race in ctx_sched_out / perf_mmap perf 6 2 1388d 1394d
INFO: rcu detected stall in perf_event_open (2) perf 1 1 1423d 1423d
KCSAN: data-race in __perf_event_read_value / event_sched_in perf 6 2 1398d 1412d
KCSAN: data-race in perf_event_exit_event / perf_event_exit_event perf 6 1 1415d 1415d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (5) perf 6 1 1426d 1426d
KCSAN: data-race in detach_pid / perf_event_switch_output perf 6 16 1426d 1577d
WARNING in ctx_sched_in perf -1 33 1524d 1588d
INFO: task hung in perf_event_exit_task perf 1 25 1496d 1596d
KCSAN: data-race in copy_page_from_iter_atomic / uprobe_write_opcode perf trace 6 1 1444d 1444d
WARNING in __perf_install_in_context perf -1 6 1534d 1556d
WARNING in task_ctx_sched_out perf -1 2 1537d 1556d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (4) perf 6 1 1452d 1452d
INFO: rcu detected stall in read_iter_zero (2) perf 1 1 1518d 1518d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (3) perf 6 1 1465d 1465d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (4) perf 6 1 1476d 1476d
WARNING in ctx_sched_out perf -1 2 1589d 1556d
KMSAN: uninit-value in build_id_parse perf 7 3 1566d 1577d
possible deadlock in register_for_each_vma perf trace 4 1 1612d 1608d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (3) perf 6 2 1540d 1551d
general protection fault in perf_tp_event (2) perf 2 109 1631d 1871d
KCSAN: data-race in event_sched_in / perf_event_update_userpage (2) perf 6 1 1563d 1563d
KCSAN: data-race in __perf_event_header__init_id / detach_pid perf 6 1 1584d 1584d
KCSAN: data-race in find_get_context / find_get_context perf 6 1 1585d 1585d
KCSAN: data-race in event_sched_out / perf_event_update_userpage (2) perf 6 1 1587d 1587d
BUG: KFENCE: use-after-free read in find_uprobe trace perf -1 1 1660d 1660d
WARNING: refcount bug in uprobe_mmap perf trace 13 1 1661d 1661d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (3) perf 6 1 1666d 1666d
KCSAN: data-race in event_sched_in / perf_event_update_userpage perf 6 1 1669d 1669d
INFO: rcu detected stall in __do_sys_bpf perf 1 1 1770d 1770d
INFO: rcu detected stall in __do_sys_perf_event_open perf 1 2 1811d 1814d
KCSAN: data-race in event_sched_out / perf_event_update_userpage perf 6 1 1757d 1757d
KMSAN: uninit-value in x86_pmu_stop perf 7 1 1817d 1817d
BUG: unable to handle kernel paging request in perf_misc_flags perf 8 1 1819d 1815d
BUG: corrupted list in event_sched_out perf 8 1 1821d 1817d
general protection fault in perf_tp_event_match (2) perf 2 356 1876d 2204d
BUG: unable to handle kernel NULL pointer dereference in perf_misc_flags perf 10 2 1860d 1870d
BUG: soft lockup in perf_release (2) perf 1 2 1871d 1867d
general protection fault in msr_event_init perf 2 1 1873d 1869d
INFO: rcu detected stall in __se_sys_perf_event_open perf 1 1 1874d 1874d
general protection fault in perf_misc_flags perf 2 7 1789d 1796d
KCSAN: data-race in perf_event_exit_task / perf_event_exit_task perf 6 1 1820d 1820d
INFO: rcu detected stall in sys_sendto (4) perf 1 1 1877d 1877d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage (2) perf 6 1 1857d 1857d
WARNING: locking bug in __perf_event_task_sched_in perf 4 2 1961d 1995d
KASAN: out-of-bounds Read in perf_assign_events perf 17 1 1945d 1941d
KCSAN: data-race in perf_event_wakeup / perf_event_wakeup perf 6 1 1924d 1924d
BUG: unable to handle kernel NULL pointer dereference in smp_call_function_many_cond perf 10 1 1893d 1893d
KCSAN: data-race in calc_timer_values / perf_event_update_time perf 6 8 1997d 2109d
KCSAN: data-race in __change_pid / __task_pid_nr_ns (2) perf 6 1 2018d 2018d
KCSAN: data-race in perf_event_update_userpage / perf_event_update_userpage perf 6 4 2030d 2115d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage (2) perf 6 1 2073d 2073d
KCSAN: data-race in mmap_region / register_for_each_vma perf trace 6 1 2080d 2080d
INFO: rcu detected stall in sys_perf_event_open (4) perf 1 1 2051d 2051d
INFO: rcu detected stall in sys_perf_event_open (3) perf 1 1 2052d 2052d
INFO: rcu detected stall in sys_perf_event_open (2) perf 1 8 2086d 2088d
INFO: task hung in perf_ioctl perf 1 1 2090d 2090d
INFO: task hung in perf_event_release_kernel perf 1 18 2090d 2091d
KCSAN: data-race in ns_capable_common / prepare_signal perf 6 1 2113d 2113d
KCSAN: data-race in arch_perf_update_userpage / arch_perf_update_userpage perf 6 1 2116d 2116d
general protection fault in perf_tp_event perf 2 423 2242d 2666d
KASAN: use-after-free Read in _free_event perf 19 1 2251d 2249d
INFO: task hung in uprobe_start_dup_mmap trace perf 1 196 2326d 2540d
INFO: task hung in register_for_each_vma perf trace 1 1 2393d 2393d
possible deadlock in uprobe_clear_state perf trace 4 2 2406d 2443d
possible deadlock in percpu_down_write perf trace 4 2 2414d 2502d
possible deadlock in fs_reclaim_acquire perf trace 4 1 2419d 2417d
KASAN: slab-out-of-bounds Read in perf_exclude_event perf 17 5 2438d 2427d
general protection fault in uprobe_mmap perf trace 2 1 2461d 2459d
INFO: rcu detected stall in sys_perf_event_open perf 1 1 2531d 2529d
INFO: task hung in __do_sys_perf_event_open perf 1 1 2596d 2593d
general protection fault in perf_tp_event_match perf 2 1 2598d 2598d
possible deadlock in perf_event_for_each_child perf 4 135 2757d 2767d
possible deadlock in perf_event_ctx_lock_nested perf 4 8914 2805d 2854d
INFO: rcu detected stall in smp_call_function_many perf 1 138 2549d 2705d
BUG: soft lockup in __msan_metadata_ptr_for_load_4 perf 1 243 2537d 2598d
general protection fault in __perf_event_task_sched_in perf 2 1 2604d 2604d
BUG: soft lockup in event_function_call perf 1 25 2544d 2595d
INFO: rcu detected stall in event_function_call perf 1 5 2550d 2589d
INFO: task hung in rwsem_down_read_failed perf 1 8 2755d 2802d