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X-Gm-Message-State: AOJu0YykjA/VJ1TDXDJ7ujvVEKZLD+xRw4TJD2KG9ybL+DAk4mtzEt7n QRPY8rIF9pXV3cgzSvxsJ4Nu0ms7uV99wwAFjjsvm6d2e9ALUSlK4Rj8aj1b0SnD842cYLm+I58 f59aFAjzsJwECsoZsJOKfQMeALR9dqKvR8z2JzPRgXhN4a4v8WMMo2yg= X-Google-Smtp-Source: AGHT+IE50ouefAkt2BGufmMoPWuvwf/pYuVzrJlnaShulcNkIQZLK81fMothhtCAJZW5U6DxdPvbdTOFbOX43LYm1GOQYE1eTxeO MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c46:b0:3a7:fe8c:b014 with SMTP id e9e14a558f8ab-3a811e29199mr72662135ab.21.1733593644938; Sat, 07 Dec 2024 09:47:24 -0800 (PST) Date: Sat, 07 Dec 2024 09:47:24 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67548a2c.050a0220.2477f.001a.GAE@google.com> Subject: [syzbot] [mm?] upstream test error: WARNING: locking bug in __rmqueue_pcplist From: syzbot To: Liam.Howlett@oracle.com, akpm@linux-foundation.org, jannh@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, syzkaller-bugs@googlegroups.com, vbabka@suse.cz 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TEKYl7eEpq+PVrU29ngY25XpOTxDvldA96p+u5srwtZdmagRWpnyen+nuvVVDxSxLUV9V0NMRBzBX+1cZN1hCUNWiEcdxIGEqsGpNiOvQkXb6K3cvEi7fA/eti5GJnjr1fycVwvby7VAJHfhzItoD3GwtJ9a4KwDFrLDHKYFkG+ekdbj7N4spQiCnqwuVK5ciqB3ocfjvpV0wzWEM5YouINkqJfl0PQEzc4uGLZIb6Z1NNC3yIxMHMrLfnmide6ujvg0k+thnWWe8xCOmUQNhScBJPQNMhfgD5KXxxq0Uq5Bs2+C18SpkGZHU95ziBTkBBnOPc3hzHU5/bSXoyqdjDQzsAU7i5mJv47I3cqGqiTKc9hTVG4J6KpknO/YGTirQBpjaHMebS2E3d26zAavf9QHuYgUtcFv 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: ceb8bf2ceaa7 module: Convert default symbol namespace to s.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13cef5e8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=6271abc57260d634 dashboard link: https://syzkaller.appspot.com/bug?extid=4dbab151c88eb889644b compiler: aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/384ffdcca292/non_bootable_disk-ceb8bf2c.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/30e29cf33ebb/vmlinux-ceb8bf2c.xz kernel image: https://storage.googleapis.com/syzbot-assets/ee2d212ca202/zImage-ceb8bf2c.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4dbab151c88eb889644b@syzkaller.appspotmail.com ============================= [ BUG: Invalid wait context ] 6.13.0-rc1-syzkaller-00005-gceb8bf2ceaa7 #0 Not tainted ----------------------------- syz.0.40/3323 is trying to lock: ffff00007fc1ffd8 (&zone->lock){..-.}-{3:3}, at: rmqueue_bulk mm/page_alloc.c:2307 [inline] ffff00007fc1ffd8 (&zone->lock){..-.}-{3:3}, at: __rmqueue_pcplist+0x388/0x1178 mm/page_alloc.c:3001 other info that might help us debug this: context-{2:2} 4 locks held by syz.0.40/3323: #0: ffff0000171eed10 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:144 [inline] #0: ffff0000171eed10 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0xe4/0x94c mm/mmap.c:1651 #1: ffff800086f89760 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x0/0x290 mm/pgtable-generic.c:253 #2: ffff00000fbdcc78 (ptlock_ptr(ptdesc)){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline] #2: ffff00000fbdcc78 (ptlock_ptr(ptdesc)){+.+.}-{3:3}, at: __pte_offset_map_lock+0x118/0x2ec mm/pgtable-generic.c:402 #3: ffff000069f98698 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline] #3: ffff000069f98698 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3030 [inline] #3: ffff000069f98698 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3074 [inline] #3: ffff000069f98698 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x428/0x20f0 mm/page_alloc.c:3471 stack backtrace: CPU: 1 UID: 0 PID: 3323 Comm: syz.0.40 Not tainted 6.13.0-rc1-syzkaller-00005-gceb8bf2ceaa7 #0 Hardware name: linux,dummy-virt (DT) Call trace: show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:484 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xa4/0xf4 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 print_lock_invalid_wait_context kernel/locking/lockdep.c:4826 [inline] check_wait_context kernel/locking/lockdep.c:4898 [inline] __lock_acquire+0x1514/0x6604 kernel/locking/lockdep.c:5176 lock_acquire kernel/locking/lockdep.c:5849 [inline] lock_acquire+0x450/0x76c kernel/locking/lockdep.c:5814 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x58/0x80 kernel/locking/spinlock.c:162 rmqueue_bulk mm/page_alloc.c:2307 [inline] __rmqueue_pcplist+0x388/0x1178 mm/page_alloc.c:3001 rmqueue_pcplist mm/page_alloc.c:3043 [inline] rmqueue mm/page_alloc.c:3074 [inline] get_page_from_freelist+0x4a0/0x20f0 mm/page_alloc.c:3471 __alloc_pages_noprof+0x1b4/0x2248 mm/page_alloc.c:4751 alloc_pages_mpol_noprof+0x104/0x490 mm/mempolicy.c:2265 alloc_pages_noprof+0x178/0x1ec mm/mempolicy.c:2344 stack_depot_save_flags+0x508/0x95c lib/stackdepot.c:627 kasan_save_stack+0x50/0x64 mm/kasan/common.c:48 __kasan_record_aux_stack+0xa0/0xb8 mm/kasan/generic.c:544 kasan_record_aux_stack+0x14/0x20 mm/kasan/generic.c:549 task_work_add+0x9c/0x35c kernel/task_work.c:77 __run_posix_cpu_timers kernel/time/posix-cpu-timers.c:1223 [inline] run_posix_cpu_timers+0x51c/0x810 kernel/time/posix-cpu-timers.c:1422 update_process_times+0x16c/0x444 kernel/time/timer.c:2526 tick_sched_handle kernel/time/tick-sched.c:276 [inline] tick_nohz_handler+0x198/0x40c kernel/time/tick-sched.c:297 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x5ec/0x964 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x2a0/0x768 kernel/time/hrtimer.c:1865 timer_handler drivers/clocksource/arm_arch_timer.c:674 [inline] arch_timer_handler_phys+0x40/0x6c drivers/clocksource/arm_arch_timer.c:692 handle_percpu_devid_irq+0x19c/0x30c kernel/irq/chip.c:942 generic_handle_irq_desc include/linux/irqdesc.h:173 [inline] handle_irq_desc kernel/irq/irqdesc.c:714 [inline] generic_handle_domain_irq+0x78/0xa4 kernel/irq/irqdesc.c:770 gic_handle_irq+0x54/0x184 drivers/irqchip/irq-gic.c:370 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:891 do_interrupt_handler+0x12c/0x150 arch/arm64/kernel/entry-common.c:310 __el1_irq arch/arm64/kernel/entry-common.c:560 [inline] el1_interrupt+0x34/0x54 arch/arm64/kernel/entry-common.c:575 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:580 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596 __kasan_check_write+0x20/0x2c mm/kasan/shadow.c:37 (P) __kasan_check_write+0x20/0x2c mm/kasan/shadow.c:37 (L) instrument_atomic_read_write include/linux/instrumented.h:96 [inline] atomic_add_negative include/linux/atomic/atomic-instrumented.h:1420 [inline] __folio_remove_rmap mm/rmap.c:1547 [inline] folio_remove_rmap_ptes+0x6c/0x380 mm/rmap.c:1620 zap_present_folio_ptes mm/memory.c:1526 [inline] zap_present_ptes mm/memory.c:1585 [inline] zap_pte_range mm/memory.c:1627 [inline] zap_pmd_range mm/memory.c:1753 [inline] zap_pud_range mm/memory.c:1782 [inline] zap_p4d_range mm/memory.c:1803 [inline] unmap_page_range+0xe38/0x2318 mm/memory.c:1824 unmap_single_vma.constprop.0+0xb4/0x188 mm/memory.c:1870 unmap_vmas+0x194/0x318 mm/memory.c:1914 exit_mmap+0x138/0x94c mm/mmap.c:1667 __mmput+0xa8/0x39c kernel/fork.c:1353 mmput+0x88/0x98 kernel/fork.c:1375 exit_mm kernel/exit.c:570 [inline] do_exit+0x6d4/0x2048 kernel/exit.c:925 do_group_exit+0xa4/0x208 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __arm64_sys_exit_group+0x3c/0x44 kernel/exit.c:1096 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:132 do_el0_svc_compat+0x40/0x68 arch/arm64/kernel/syscall.c:157 el0_svc_compat+0x4c/0x17c arch/arm64/kernel/entry-common.c:887 el0t_32_sync_handler+0x98/0x13c arch/arm64/kernel/entry-common.c:897 el0t_32_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:605 --- 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