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Thu, 09 Oct 2025 09:45:33 -0700 (PDT) Date: Thu, 09 Oct 2025 09:45:33 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68e7e6ad.a70a0220.126b66.0043.GAE@google.com> Subject: [syzbot] [mm?] WARNING: locking bug in __set_page_owner (2) From: syzbot To: akpm@linux-foundation.org, hannes@cmpxchg.org, jackmanb@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, netdev@vger.kernel.org, surenb@google.com, syzkaller-bugs@googlegroups.com, vbabka@suse.cz, ziy@nvidia.com Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: ngog6d9prptm41otze4tg1t3g38w4dzc X-Rspamd-Queue-Id: AA436160011 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1760028334-624002 X-HE-Meta: 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 r0wtBTaY 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, syzbot found the following issue on: HEAD commit: 2c95a756e0cf net: pse-pd: tps23881: Fix current measuremen.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=16e1852f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=5bcbbf19237350b5 dashboard link: https://syzkaller.appspot.com/bug?extid=8259e1d0e3ae8ed0c490 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/8272657e4298/disk-2c95a756.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/4e53ba690f28/vmlinux-2c95a756.xz kernel image: https://storage.googleapis.com/syzbot-assets/6112d620d6fc/bzImage-2c95a756.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8259e1d0e3ae8ed0c490@syzkaller.appspotmail.com ============================= [ BUG: Invalid wait context ] syzkaller #0 Not tainted ----------------------------- syz.3.7709/29103 is trying to lock: ffffffff8e276d58 (stack_list_lock){-.-.}-{3:3}, at: add_stack_record_to_list mm/page_owner.c:182 [inline] ffffffff8e276d58 (stack_list_lock){-.-.}-{3:3}, at: inc_stack_record_count mm/page_owner.c:214 [inline] ffffffff8e276d58 (stack_list_lock){-.-.}-{3:3}, at: __set_page_owner+0x2c3/0x4a0 mm/page_owner.c:333 other info that might help us debug this: context-{2:2} 6 locks held by syz.3.7709/29103: #0: ffffffff8e190068 (tracepoints_mutex){+.+.}-{4:4}, at: tracepoint_probe_register_prio_may_exist+0x43/0xa0 kernel/tracepoint.c:431 #1: ffffffff8dfd2a70 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_enable+0x12/0x20 kernel/jump_label.c:222 #2: ffffffff8e1f5748 (jump_label_mutex){+.+.}-{4:4}, at: jump_label_lock kernel/jump_label.c:27 [inline] #2: ffffffff8e1f5748 (jump_label_mutex){+.+.}-{4:4}, at: static_key_enable_cpuslocked+0xcb/0x250 kernel/jump_label.c:207 #3: ffffffff8dfe5e68 (text_mutex){+.+.}-{4:4}, at: arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:145 #4: ffffffff8e13a960 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #4: ffffffff8e13a960 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #4: ffffffff8e13a960 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2074 [inline] #4: ffffffff8e13a960 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run2+0x186/0x4b0 kernel/trace/bpf_trace.c:2116 #5: ffff8880b8632780 ((stream_local_lock).llock){....}-{3:3}, at: local_trylock_acquire include/linux/local_lock_internal.h:45 [inline] #5: ffff8880b8632780 ((stream_local_lock).llock){....}-{3:3}, at: bpf_stream_page_local_lock kernel/bpf/stream.c:46 [inline] #5: ffff8880b8632780 ((stream_local_lock).llock){....}-{3:3}, at: bpf_stream_elem_alloc kernel/bpf/stream.c:175 [inline] #5: ffff8880b8632780 ((stream_local_lock).llock){....}-{3:3}, at: __bpf_stream_push_str+0x1db/0xc90 kernel/bpf/stream.c:190 stack backtrace: CPU: 0 UID: 0 PID: 29103 Comm: syz.3.7709 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 print_lock_invalid_wait_context kernel/locking/lockdep.c:4830 [inline] check_wait_context kernel/locking/lockdep.c:4902 [inline] __lock_acquire+0xbcb/0xd20 kernel/locking/lockdep.c:5187 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xa7/0xf0 kernel/locking/spinlock.c:162 add_stack_record_to_list mm/page_owner.c:182 [inline] inc_stack_record_count mm/page_owner.c:214 [inline] __set_page_owner+0x2c3/0x4a0 mm/page_owner.c:333 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851 prep_new_page mm/page_alloc.c:1859 [inline] get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858 alloc_pages_nolock_noprof+0x94/0x120 mm/page_alloc.c:7554 bpf_stream_page_replace+0x17/0x1e0 kernel/bpf/stream.c:86 bpf_stream_page_reserve_elem kernel/bpf/stream.c:148 [inline] bpf_stream_elem_alloc kernel/bpf/stream.c:177 [inline] __bpf_stream_push_str+0x3db/0xc90 kernel/bpf/stream.c:190 bpf_stream_stage_printk+0x14e/0x1c0 kernel/bpf/stream.c:448 dump_stack_cb+0x2b6/0x350 kernel/bpf/stream.c:505 arch_bpf_stack_walk+0xe2/0x170 arch/x86/net/bpf_jit_comp.c:3945 bpf_stream_stage_dump_stack+0x167/0x220 kernel/bpf/stream.c:522 bpf_prog_report_may_goto_violation+0xcc/0x190 kernel/bpf/core.c:3181 bpf_check_timed_may_goto+0xaa/0xb0 kernel/bpf/core.c:3199 arch_bpf_timed_may_goto+0x21/0x40 arch/x86/net/bpf_timed_may_goto.S:40 bpf_prog_6fd842a53d323cc5+0x53/0x5f bpf_dispatcher_nop_func include/linux/bpf.h:1350 [inline] __bpf_prog_run include/linux/filter.h:721 [inline] bpf_prog_run include/linux/filter.h:728 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2075 [inline] bpf_trace_run2+0x281/0x4b0 kernel/trace/bpf_trace.c:2116 __bpf_trace_hrtimer_expire_entry+0x102/0x160 include/trace/events/timer.h:259 __do_trace_hrtimer_expire_entry include/trace/events/timer.h:259 [inline] trace_hrtimer_expire_entry include/trace/events/timer.h:259 [inline] __run_hrtimer kernel/time/hrtimer.c:1774 [inline] __hrtimer_run_queues+0xa03/0xc60 kernel/time/hrtimer.c:1841 hrtimer_interrupt+0x45b/0xaa0 kernel/time/hrtimer.c:1903 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1041 [inline] __sysvec_apic_timer_interrupt+0x108/0x410 arch/x86/kernel/apic/apic.c:1058 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline] RIP: 0010:smp_call_function_many_cond+0xd33/0x12d0 kernel/smp.c:877 Code: 45 8b 2c 24 44 89 ee 83 e6 01 31 ff e8 a6 73 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 51 6f 0b 00 eb 38 f3 90 <42> 0f b6 04 2b 84 c0 75 11 41 f7 04 24 01 00 00 00 74 1e e8 35 6f RSP: 0018:ffffc90010c17760 EFLAGS: 00000287 RAX: ffffffff81b3ac3b RBX: 1ffff110170e7f69 RCX: 0000000000080000 RDX: ffffc9001b9a2000 RSI: 00000000000060c8 RDI: 00000000000060c9 RBP: ffffc90010c178e0 R08: ffffffff8f9d4c37 R09: 1ffffffff1f3a986 R10: dffffc0000000000 R11: fffffbfff1f3a987 R12: ffff8880b873fb48 R13: dffffc0000000000 R14: ffff8880b863b200 R15: 0000000000000001 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1043 on_each_cpu include/linux/smp.h:71 [inline] smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2653 [inline] smp_text_poke_batch_finish+0x5f9/0x1130 arch/x86/kernel/alternative.c:2863 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 static_key_enable_cpuslocked+0x128/0x250 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 tracepoint_add_func+0x994/0xa10 kernel/tracepoint.c:315 tracepoint_probe_register_prio_may_exist+0x5f/0xa0 kernel/tracepoint.c:435 bpf_raw_tp_link_attach+0x4f0/0x6c0 kernel/bpf/syscall.c:4235 bpf_raw_tracepoint_open+0x1b2/0x220 kernel/bpf/syscall.c:4266 __sys_bpf+0x73e/0x860 kernel/bpf/syscall.c:6176 __do_sys_bpf kernel/bpf/syscall.c:6244 [inline] __se_sys_bpf kernel/bpf/syscall.c:6242 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6242 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe963b8eec9 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:00007fe964a02038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fe963de6090 RCX: 00007fe963b8eec9 RDX: 0000000000000018 RSI: 00002000000000c0 RDI: 0000000000000011 RBP: 00007fe963c11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe963de6128 R14: 00007fe963de6090 R15: 00007ffc809e0088 ---------------- Code disassembly (best guess): 0: 45 8b 2c 24 mov (%r12),%r13d 4: 44 89 ee mov %r13d,%esi 7: 83 e6 01 and $0x1,%esi a: 31 ff xor %edi,%edi c: e8 a6 73 0b 00 call 0xb73b7 11: 41 83 e5 01 and $0x1,%r13d 15: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13 1c: fc ff df 1f: 75 07 jne 0x28 21: e8 51 6f 0b 00 call 0xb6f77 26: eb 38 jmp 0x60 28: f3 90 pause * 2a: 42 0f b6 04 2b movzbl (%rbx,%r13,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 75 11 jne 0x44 33: 41 f7 04 24 01 00 00 testl $0x1,(%r12) 3a: 00 3b: 74 1e je 0x5b 3d: e8 .byte 0xe8 3e: 35 .byte 0x35 3f: 6f outsl %ds:(%rsi),(%dx) --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup