============================= [ BUG: Invalid wait context ] 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0 Not tainted ----------------------------- syz.0.4309/24196 is trying to lock: ffffffff8eabdbb8 (kernfs_rename_lock){....}-{3:3}, at: kernfs_path_from_node+0x92/0xb00 fs/kernfs/dir.c:229 other info that might help us debug this: context-{5:5} 9 locks held by syz.0.4309/24196: #0: ffffffff9a400170 (&pmus_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:158 [inline] #0: ffffffff9a400170 (&pmus_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:249 [inline] #0: ffffffff9a400170 (&pmus_srcu){.+.+}-{0:0}, at: perf_init_event kernel/events/core.c:11987 [inline] #0: ffffffff9a400170 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc+0xd9e/0x1e30 kernel/events/core.c:12309 #1: ffffffff8e99a3e8 (event_mutex){+.+.}-{4:4}, at: perf_trace_init+0x53/0x2e0 kernel/trace/trace_event_perf.c:221 #2: ffffffff8e98bc68 (tracepoints_mutex){+.+.}-{4:4}, at: tracepoint_probe_register_prio kernel/tracepoint.c:460 [inline] #2: ffffffff8e98bc68 (tracepoints_mutex){+.+.}-{4:4}, at: tracepoint_probe_register+0xb6/0x160 kernel/tracepoint.c:484 #3: ffffffff8e7d2ed0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_enable+0x12/0x20 kernel/jump_label.c:222 #4: ffffffff8e9eee08 (jump_label_mutex){+.+.}-{4:4}, at: jump_label_lock kernel/jump_label.c:27 [inline] #4: ffffffff8e9eee08 (jump_label_mutex){+.+.}-{4:4}, at: static_key_enable_cpuslocked+0xd7/0x260 kernel/jump_label.c:207 #5: ffffffff8e7e7e28 (text_mutex){+.+.}-{4:4}, at: arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:145 #6: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #6: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #6: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: ___pte_offset_map+0x82/0x380 mm/pgtable-generic.c:287 #7: ffff8880b863e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 #8: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #8: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #8: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2361 [inline] #8: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run2+0x1fc/0x540 kernel/trace/bpf_trace.c:2403 stack backtrace: CPU: 0 UID: 0 PID: 24196 Comm: syz.0.4309 Not tainted 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_lock_invalid_wait_context kernel/locking/lockdep.c:4826 [inline] check_wait_context kernel/locking/lockdep.c:4898 [inline] __lock_acquire+0x15a8/0x2100 kernel/locking/lockdep.c:5176 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline] _raw_read_lock_irqsave+0xdd/0x130 kernel/locking/spinlock.c:236 kernfs_path_from_node+0x92/0xb00 fs/kernfs/dir.c:229 kernfs_path include/linux/kernfs.h:598 [inline] cgroup_path include/linux/cgroup.h:599 [inline] get_mm_memcg_path+0x95/0x350 mm/mmap_lock.c:59 __mmap_lock_do_trace_start_locking+0xeb/0x310 mm/mmap_lock.c:72 __mmap_lock_trace_start_locking include/linux/mmap_lock.h:29 [inline] mmap_read_trylock include/linux/mmap_lock.h:162 [inline] stack_map_get_build_id_offset+0x81e/0x870 kernel/bpf/stackmap.c:157 __bpf_get_stack+0x8da/0xad0 kernel/bpf/stackmap.c:483 ____bpf_get_stack kernel/bpf/stackmap.c:499 [inline] bpf_get_stack+0x33/0x50 kernel/bpf/stackmap.c:496 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1944 [inline] bpf_get_stack_raw_tp+0x1a3/0x240 kernel/trace/bpf_trace.c:1934 bpf_prog_ec3b2eefa702d8d3+0x43/0x47 bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline] __bpf_prog_run include/linux/filter.h:701 [inline] bpf_prog_run include/linux/filter.h:708 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2362 [inline] bpf_trace_run2+0x2ec/0x540 kernel/trace/bpf_trace.c:2403 trace_tlb_flush+0x11c/0x140 include/trace/events/tlb.h:38 switch_mm_irqs_off+0x77a/0xa70 context_switch kernel/sched/core.c:5353 [inline] __schedule+0x10c8/0x4c30 kernel/sched/core.c:6756 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6935 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6959 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:391 [inline] __text_poke+0xa6b/0xd30 arch/x86/kernel/alternative.c:1989 text_poke arch/x86/kernel/alternative.c:2013 [inline] text_poke_bp_batch+0x265/0xb30 arch/x86/kernel/alternative.c:2321 text_poke_flush arch/x86/kernel/alternative.c:2515 [inline] text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2522 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 static_key_enable_cpuslocked+0x136/0x260 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 tracepoint_add_func+0x973/0xaa0 kernel/tracepoint.c:315 tracepoint_probe_register_prio kernel/tracepoint.c:464 [inline] tracepoint_probe_register+0x105/0x160 kernel/tracepoint.c:484 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline] perf_trace_event_init+0x478/0x930 kernel/trace/trace_event_perf.c:202 perf_trace_init+0x243/0x2e0 kernel/trace/trace_event_perf.c:226 perf_tp_event_init+0x8d/0x110 kernel/events/core.c:10407 perf_try_init_event+0x146/0x810 kernel/events/core.c:11941 perf_init_event kernel/events/core.c:12027 [inline] perf_event_alloc+0x1324/0x1e30 kernel/events/core.c:12309 __do_sys_perf_event_open kernel/events/core.c:12831 [inline] __se_sys_perf_event_open+0xa5d/0x34b0 kernel/events/core.c:12721 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbfc978cda9 Code: Unable to access opcode bytes at 0x7fbfc978cd7f. RSP: 002b:00007fbfca6c0038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fbfc99a5fa0 RCX: 00007fbfc978cda9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000240 RBP: 00007fbfc980e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fbfc99a5fa0 R15: 00007ffd86ad5288