SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=7401 comm=syz-executor.3 INFO: task syz-executor.2:7396 blocked for more than 143 seconds. Not tainted 5.10.162 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:27952 pid: 7396 ppid: 4799 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3797 [inline] __schedule+0x848/0x1ed0 kernel/sched/core.c:4546 schedule+0xcb/0x270 kernel/sched/core.c:4624 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4683 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x8e3/0x12a0 kernel/locking/mutex.c:1109 perf_event_ctx_lock_nested+0x243/0x4a0 kernel/events/core.c:1386 perf_event_ctx_lock kernel/events/core.c:1399 [inline] perf_event_release_kernel+0x3a6/0xc20 kernel/events/core.c:5072 perf_release+0x33/0x50 kernel/events/core.c:5170 __fput+0x285/0x980 fs/file_table.c:281 task_work_run+0xe2/0x1a0 kernel/task_work.c:161 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x186/0x190 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x38/0x230 kernel/entry/common.c:274 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7fc6ff5bd72b RSP: 002b:00007ffc1cf93840 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fc6ff5bd72b RDX: 00007fc6ff723fe0 RSI: 00000000000f4240 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fc6ff723550 R10: 00007ffc1cfea090 R11: 0000000000000293 R12: 00000000000f3f38 R13: 00000000000003e8 R14: 00007fc6ff71df60 R15: 00000000000f3f0d INFO: task syz-executor.2:7403 blocked for more than 143 seconds. Not tainted 5.10.162 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:29232 pid: 7403 ppid: 4799 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3797 [inline] __schedule+0x848/0x1ed0 kernel/sched/core.c:4546 schedule+0xcb/0x270 kernel/sched/core.c:4624 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4683 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x8e3/0x12a0 kernel/locking/mutex.c:1109 mutex_lock_double kernel/events/core.c:11596 [inline] __perf_event_ctx_lock_double kernel/events/core.c:11740 [inline] __do_sys_perf_event_open+0x1248/0x2cb0 kernel/events/core.c:12013 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7fc6ff60ab19 RSP: 002b:00007fc6fcb5f188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fc6ff71e020 RCX: 00007fc6ff60ab19 RDX: 0000000000000000 RSI: 00000000000000e3 RDI: 0000000020000000 RBP: 00007fc6ff664f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc1cf937df R14: 00007fc6fcb5f300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84ff8320 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6390 1 lock held by in:imklog/178: #0: ffff88800eae14f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xed/0x110 fs/file.c:1017 1 lock held by syz-executor.2/7396: #0: ffff88800e92b0b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_ctx_lock_nested+0x243/0x4a0 kernel/events/core.c:1386 3 locks held by syz-executor.2/7403: #0: ffff88801addc6d8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc5/0x2cb0 kernel/events/core.c:11995 #1: ffff88800e92b0b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11595 [inline] #1: ffff88800e92b0b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11740 [inline] #1: ffff88800e92b0b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x123b/0x2cb0 kernel/events/core.c:12013 #2: ffff88800e92b0b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11596 [inline] #2: ffff88800e92b0b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11740 [inline] #2: ffff88800e92b0b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1248/0x2cb0 kernel/events/core.c:12013 =============================================