============================= [ BUG: Invalid wait context ] 6.13.0-syzkaller #0 Not tainted ----------------------------- syz.0.2545/12053 is trying to lock: ffffffff8e021958 (kernfs_rename_lock){....}-{3:3}, at: kernfs_path_from_node+0x29/0x60 fs/kernfs/dir.c:229 other info that might help us debug this: context-{5:5} 8 locks held by syz.0.2545/12053: #0: ffffffff8de3baa8 (tracepoints_mutex){+.+.}-{4:4}, at: tracepoint_probe_register_prio_may_exist+0x9c/0x110 kernel/tracepoint.c:431 #1: ffffffff8dc5e4d0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_enable+0x12/0x20 kernel/jump_label.c:222 #2: ffffffff8deda788 (jump_label_mutex){+.+.}-{4:4}, at: jump_label_lock kernel/jump_label.c:27 [inline] #2: ffffffff8deda788 (jump_label_mutex){+.+.}-{4:4}, at: static_key_enable_cpuslocked+0xb5/0x270 kernel/jump_label.c:207 #3: ffffffff8dc7bf08 (text_mutex){+.+.}-{4:4}, at: arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:145 #4: ffffffff8ddbad40 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #4: ffffffff8ddbad40 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #4: ffffffff8ddbad40 (rcu_read_lock){....}-{1:3}, at: ___pte_offset_map+0x42/0x540 mm/pgtable-generic.c:287 #5: ffff88802b63ed18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598 #6: ffffffff8ddbad40 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #6: ffffffff8ddbad40 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #6: ffffffff8ddbad40 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2361 [inline] #6: ffffffff8ddbad40 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run2+0x1c2/0x590 kernel/trace/bpf_trace.c:2403 #7: ffff888051c71560 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_trylock include/linux/mmap_lock.h:163 [inline] #7: ffff888051c71560 (&mm->mmap_lock){++++}-{4:4}, at: stack_map_get_build_id_offset+0x236/0x700 kernel/bpf/stackmap.c:157 stack backtrace: CPU: 2 UID: 0 PID: 12053 Comm: syz.0.2545 Not tainted 6.13.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 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+0x878/0x3c40 kernel/locking/lockdep.c:5176 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline] _raw_read_lock_irqsave+0x74/0x90 kernel/locking/spinlock.c:236 kernfs_path_from_node+0x29/0x60 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.constprop.0+0xb7/0x3d0 mm/mmap_lock.c:59 __mmap_lock_do_trace_acquire_returned.part.0+0x95/0x2d0 mm/mmap_lock.c:79 __mmap_lock_do_trace_acquire_returned+0x33/0x40 include/trace/events/mmap_lock.h:48 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_read_trylock include/linux/mmap_lock.h:164 [inline] stack_map_get_build_id_offset+0x5d6/0x700 kernel/bpf/stackmap.c:157 __bpf_get_stack+0x309/0xa30 kernel/bpf/stackmap.c:483 ____bpf_get_stack kernel/bpf/stackmap.c:499 [inline] bpf_get_stack+0x32/0x40 kernel/bpf/stackmap.c:496 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1944 [inline] bpf_get_stack_raw_tp+0x124/0x160 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+0x231/0x590 kernel/trace/bpf_trace.c:2403 trace_tlb_flush+0xf7/0x180 include/trace/events/tlb.h:38 switch_mm_irqs_off+0x395/0xb10 arch/x86/mm/tlb.c:638 context_switch kernel/sched/core.c:5353 [inline] __schedule+0xc6f/0x5ad0 kernel/sched/core.c:6756 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935 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+0x618/0xca0 arch/x86/kernel/alternative.c:1989 text_poke_bp_batch+0x1cd/0x760 arch/x86/kernel/alternative.c:2321 text_poke_flush arch/x86/kernel/alternative.c:2515 [inline] text_poke_flush arch/x86/kernel/alternative.c:2512 [inline] text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2522 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 jump_label_update+0x1d7/0x400 kernel/jump_label.c:920 static_key_enable_cpuslocked+0x1b7/0x270 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 tracepoint_add_func+0xac8/0xeb0 kernel/tracepoint.c:315 tracepoint_probe_register_prio_may_exist+0xbd/0x110 kernel/tracepoint.c:435 tracepoint_probe_register_may_exist include/linux/tracepoint.h:50 [inline] bpf_probe_register+0x189/0x200 kernel/trace/bpf_trace.c:2430 bpf_raw_tp_link_attach+0x2cd/0x5f0 kernel/bpf/syscall.c:3981 bpf_raw_tracepoint_open kernel/bpf/syscall.c:4012 [inline] __sys_bpf+0x3a7/0x57a0 kernel/bpf/syscall.c:5832 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline] __se_sys_bpf kernel/bpf/syscall.c:5895 [inline] __ia32_sys_bpf+0x76/0xe0 kernel/bpf/syscall.c:5895 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7ff7579 Code: Unable to access opcode bytes at 0xf7ff754f. RSP: 002b:00000000f512555c EFLAGS: 00000296 ORIG_RAX: 0000000000000165 RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 0000000020000080 RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000