================================ WARNING: inconsistent lock state 6.10.0-syzkaller-04484-g13c9b702e6cb #0 Not tainted -------------------------------- inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. syz.0.665/7916 [HC1[1]:SC0[0]:HE0:SE1] takes: ffff8880b9438798 (lock#10){?.+.}-{2:2}, at: local_lock_acquire include/linux/local_lock_internal.h:29 [inline] ffff8880b9438798 (lock#10){?.+.}-{2:2}, at: __mmap_lock_do_trace_released+0x83/0x620 mm/mmap_lock.c:243 {HARDIRQ-ON-W} state was registered at: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5753 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] __mmap_lock_do_trace_released+0x9c/0x620 mm/mmap_lock.c:243 __mmap_lock_trace_released include/linux/mmap_lock.h:42 [inline] mmap_write_unlock include/linux/mmap_lock.h:129 [inline] dup_mmap kernel/fork.c:772 [inline] dup_mm kernel/fork.c:1671 [inline] copy_mm+0x1ef0/0x1f30 kernel/fork.c:1720 copy_process+0x187a/0x3dc0 kernel/fork.c:2373 kernel_clone+0x226/0x8f0 kernel/fork.c:2780 __do_sys_clone kernel/fork.c:2923 [inline] __se_sys_clone kernel/fork.c:2907 [inline] __x64_sys_clone+0x258/0x2a0 kernel/fork.c:2907 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 irq event stamp: 2184 hardirqs last enabled at (2183): [] __text_poke+0x9bf/0xd30 arch/x86/kernel/alternative.c:1959 hardirqs last disabled at (2184): [] sysvec_irq_work+0xe/0xc0 arch/x86/kernel/irq_work.c:17 softirqs last enabled at (2142): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (2142): [] bpf_link_alloc_id kernel/bpf/syscall.c:3187 [inline] softirqs last enabled at (2142): [] bpf_link_prime+0x7a/0x240 kernel/bpf/syscall.c:3216 softirqs last disabled at (2136): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (2136): [] bpf_link_alloc_id kernel/bpf/syscall.c:3185 [inline] softirqs last disabled at (2136): [] bpf_link_prime+0x4c/0x240 kernel/bpf/syscall.c:3216 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(lock#10); lock(lock#10); *** DEADLOCK *** 6 locks held by syz.0.665/7916: #0: ffffffff8e383368 (tracepoints_mutex){+.+.}-{3:3}, at: tracepoint_probe_register_prio_may_exist+0xbb/0x190 kernel/tracepoint.c:478 #1: ffffffff8e1d05b0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_enable+0x12/0x20 kernel/jump_label.c:222 #2: ffffffff8e3e5168 (jump_label_mutex){+.+.}-{3:3}, at: jump_label_lock kernel/jump_label.c:27 [inline] #2: ffffffff8e3e5168 (jump_label_mutex){+.+.}-{3:3}, at: static_key_enable_cpuslocked+0xd7/0x260 kernel/jump_label.c:207 #3: ffffffff8e1e5728 (text_mutex){+.+.}-{3:3}, at: arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:145 #4: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:327 [inline] #4: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:839 [inline] #4: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: __pte_offset_map+0x82/0x380 mm/pgtable-generic.c:287 #5: ffff88801507b078 (ptlock_ptr(ptdesc)#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #5: ffff88801507b078 (ptlock_ptr(ptdesc)#2){+.+.}-{2:2}, at: __pte_offset_map_lock+0x1ba/0x300 mm/pgtable-generic.c:375 stack backtrace: CPU: 0 PID: 7916 Comm: syz.0.665 Not tainted 6.10.0-syzkaller-04484-g13c9b702e6cb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 valid_state+0x13a/0x1c0 kernel/locking/lockdep.c:4012 mark_lock_irq+0xbb/0xc20 kernel/locking/lockdep.c:4215 mark_lock+0x223/0x350 kernel/locking/lockdep.c:4677 mark_usage kernel/locking/lockdep.c:4563 [inline] __lock_acquire+0xb8e/0x1fd0 kernel/locking/lockdep.c:5090 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5753 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] __mmap_lock_do_trace_released+0x9c/0x620 mm/mmap_lock.c:243 __mmap_lock_trace_released include/linux/mmap_lock.h:42 [inline] mmap_read_unlock_non_owner include/linux/mmap_lock.h:176 [inline] do_mmap_read_unlock+0x5d/0x60 kernel/bpf/task_iter.c:1046 irq_work_single+0xe2/0x240 kernel/irq_work.c:221 irq_work_run_list kernel/irq_work.c:252 [inline] irq_work_run+0x18b/0x350 kernel/irq_work.c:261 __sysvec_irq_work+0xb8/0x430 arch/x86/kernel/irq_work.c:22 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline] sysvec_irq_work+0x9e/0xc0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738 RIP: 0010:__text_poke+0xa4a/0xd30 arch/x86/kernel/alternative.c:1960 Code: 7c 24 50 00 75 19 e8 f5 29 61 00 eb 18 e8 ee 29 61 00 e8 09 e7 56 0a 48 83 7c 24 50 00 74 e7 e8 dc 29 61 00 fb 48 8b 44 24 78 <42> 80 3c 28 00 74 0d 48 8d bc 24 60 01 00 00 e8 22 5f c7 00 48 8b RSP: 0018:ffffc90009a3f6a0 EFLAGS: 00000293 RAX: 1ffff92001347f00 RBX: 0000000000000000 RCX: ffff888041f2da00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90009a3f870 R08: ffffffff813531f4 R09: 1ffffffff25f9eb8 R10: dffffc0000000000 R11: fffffbfff25f9eb9 R12: 1ffff92001347ee4 R13: dffffc0000000000 R14: 0000000000000046 R15: ffffffff81428786 text_poke arch/x86/kernel/alternative.c:1984 [inline] text_poke_bp_batch+0x265/0xb30 arch/x86/kernel/alternative.c:2292 text_poke_flush arch/x86/kernel/alternative.c:2486 [inline] text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2493 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+0x953/0x9e0 kernel/tracepoint.c:361 tracepoint_probe_register_prio_may_exist+0x122/0x190 kernel/tracepoint.c:482 bpf_raw_tp_link_attach+0x48b/0x6e0 kernel/bpf/syscall.c:3896 bpf_raw_tracepoint_open+0x1c2/0x240 kernel/bpf/syscall.c:3927 __sys_bpf+0x3c0/0x810 kernel/bpf/syscall.c:5752 __do_sys_bpf kernel/bpf/syscall.c:5817 [inline] __se_sys_bpf kernel/bpf/syscall.c:5815 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5815 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: 0033:0x7ff1d5975f19 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:00007ff1d682d048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ff1d5b05f60 RCX: 00007ff1d5975f19 RDX: 0000000000000010 RSI: 0000000020000080 RDI: 0000000000000011 RBP: 00007ff1d59e4e68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007ff1d5b05f60 R15: 00007fffbe3491f8 ---------------- Code disassembly (best guess): 0: 7c 24 jl 0x26 2: 50 push %rax 3: 00 75 19 add %dh,0x19(%rbp) 6: e8 f5 29 61 00 call 0x612a00 b: eb 18 jmp 0x25 d: e8 ee 29 61 00 call 0x612a00 12: e8 09 e7 56 0a call 0xa56e720 17: 48 83 7c 24 50 00 cmpq $0x0,0x50(%rsp) 1d: 74 e7 je 0x6 1f: e8 dc 29 61 00 call 0x612a00 24: fb sti 25: 48 8b 44 24 78 mov 0x78(%rsp),%rax * 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction 2f: 74 0d je 0x3e 31: 48 8d bc 24 60 01 00 lea 0x160(%rsp),%rdi 38: 00 39: e8 22 5f c7 00 call 0xc75f60 3e: 48 rex.W 3f: 8b .byte 0x8b