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Mon, 25 Nov 2024 22:31:28 -0800 (PST) Date: Mon, 25 Nov 2024 22:31:28 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67456b40.050a0220.21d33d.000f.GAE@google.com> Subject: [syzbot] [mm?] WARNING: locking bug in __sysvec_apic_timer_interrupt From: syzbot To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 0683C40013 X-Stat-Signature: 9c9tksrwpzqr465xg6mnk8addu9h44jq X-Rspam-User: X-HE-Tag: 1732602687-109944 X-HE-Meta: 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 btBkU4rc 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 3juxUlBQ tng8xJFgmCGaKJcxHS0JXjd1iT9PB6ZhFoKP+2E2OfGIkZzwxsbGWaJR6aEnD3Ot134aHsIkyYejbtpFucNy3jo3Utl2C3f0T5TW1yuTtqfAgCtJ/B0lQJMSusQ9HyYtqB3SOw+g8gWrPBR0x3l3GfDBUvCb37rH0ys9wFbwNR3CACisqC2srRprAnsK+dRnnNB45iKihH7W7rZYVdP1AEdJQiYdQM0aNCElrDqj8yzFsEh2mmOyVKVZ+qlJj0cfVU87OjBp2UCB4Q4xiMBu/ey7gEbbZseZNivJw1HFDo/GyaKxNmorHHjrQraTo4VOwbdIjFFY4+21YfVv7l287wdR5nIlM3cvx2Jo6dr3XfeAbApUxFDHvl3pXUWlvfHZiUUXh62rEaYd/ji5Grv71Y38hRnWoKH0 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: fcc79e1714e8 Merge tag 'net-next-6.13' of git://git.kernel.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=148d675f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=2c04b80691ccbb7 dashboard link: https://syzkaller.appspot.com/bug?extid=2c02da94a158ca39fcc0 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/f68aa5d85643/disk-fcc79e17.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/ad99781945ae/vmlinux-fcc79e17.xz kernel image: https://storage.googleapis.com/syzbot-assets/4c4059c60213/bzImage-fcc79e17.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2c02da94a158ca39fcc0@syzkaller.appspotmail.com ============================= [ BUG: Invalid wait context ] 6.12.0-syzkaller-05480-gfcc79e1714e8 #0 Not tainted ----------------------------- syz.1.233/6687 is trying to lock: ffffffff8e39fbd8 (stack_list_lock){-.-.}-{3:3}, at: add_stack_record_to_list mm/page_owner.c:182 [inline] ffffffff8e39fbd8 (stack_list_lock){-.-.}-{3:3}, at: inc_stack_record_count mm/page_owner.c:214 [inline] ffffffff8e39fbd8 (stack_list_lock){-.-.}-{3:3}, at: __set_page_owner+0x3ea/0x560 mm/page_owner.c:329 other info that might help us debug this: context-{2:2} 1 lock held by syz.1.233/6687: #0: ffff88807a2cf110 (&u->iolock){+.+.}-{4:4}, at: __unix_dgram_recvmsg+0x267/0xe50 net/unix/af_unix.c:2432 stack backtrace: CPU: 1 UID: 0 PID: 6687 Comm: syz.1.233 Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 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 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055 __unix_dgram_recvmsg+0x1d1/0xe50 net/unix/af_unix.c:2435 --- 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