============================= [ BUG: Invalid wait context ] 6.13.0-rc1-next-20241205-syzkaller #0 Not tainted ----------------------------- syz.4.42/6124 is trying to lock: ffff888028b51a00 (&trie->lock){....}-{3:3}, at: trie_delete_elem+0x96/0x6a0 kernel/bpf/lpm_trie.c:462 other info that might help us debug this: context-{5:5} 7 locks held by syz.4.42/6124: #0: ffffffff8e98b648 (tracepoints_mutex){+.+.}-{4:4}, at: tracepoint_probe_register_prio_may_exist+0xbb/0x190 kernel/tracepoint.c:431 #1: ffffffff8e7d26b0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_enable+0x12/0x20 kernel/jump_label.c:222 #2: ffffffff8e9ed488 (jump_label_mutex){+.+.}-{4:4}, at: jump_label_lock kernel/jump_label.c:27 [inline] #2: ffffffff8e9ed488 (jump_label_mutex){+.+.}-{4:4}, at: static_key_enable_cpuslocked+0xd7/0x260 kernel/jump_label.c:207 #3: ffffffff8e7e77a8 (text_mutex){+.+.}-{4:4}, at: arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:145 #4: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #4: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #4: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x82/0x380 mm/pgtable-generic.c:287 #5: ffff8880b873e998 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 #6: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #6: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #6: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2354 [inline] #6: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run4+0x244/0x590 kernel/trace/bpf_trace.c:2398 stack backtrace: CPU: 1 UID: 0 PID: 6124 Comm: syz.4.42 Not tainted 6.13.0-rc1-next-20241205-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 trie_delete_elem+0x96/0x6a0 kernel/bpf/lpm_trie.c:462 bpf_prog_2c29ac5cdc6b1842+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:2355 [inline] bpf_trace_run4+0x334/0x590 kernel/trace/bpf_trace.c:2398 trace_sched_switch include/trace/events/sched.h:222 [inline] __schedule+0x230b/0x4c80 kernel/sched/core.c:6755 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6937 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6961 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+0xac1/0xd80 arch/x86/kernel/alternative.c:1993 text_poke arch/x86/kernel/alternative.c:2017 [inline] text_poke_bp_batch+0x265/0xb30 arch/x86/kernel/alternative.c:2325 text_poke_flush arch/x86/kernel/alternative.c:2519 [inline] text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2526 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_may_exist+0x122/0x190 kernel/tracepoint.c:435 bpf_raw_tp_link_attach+0x4a3/0x700 kernel/bpf/syscall.c:3981 bpf_raw_tracepoint_open+0x177/0x1f0 kernel/bpf/syscall.c:4012 __sys_bpf+0x3c0/0x810 kernel/bpf/syscall.c:5832 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline] __se_sys_bpf kernel/bpf/syscall.c:5895 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5895 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: 0033:0x7fd93ff7ff19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd940d65058 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fd940146160 RCX: 00007fd93ff7ff19 RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000011 RBP: 00007fd93fff3cc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd940146160 R15: 00007fff41f53458