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AJvYcCXUlEC0ANiA3kAgIWtsDsGOFpASjZ+Np6hDU4laKT+QLJYutUvIUuRv9rz/vwKL0dqJbeEP7R80TYOh28M=@vger.kernel.org X-Gm-Message-State: AOJu0Yza+M6MPM6SlqqEXqdXoNBCkqaYo0X/HtK1E4rR1L7Ohy5FRH9v hTEsWwi80ddFjIZHR4blQ6xQPQsBP+6vaVAONGOLpZp9TIKSwYXi5ezF0AbrJfOrHzLjNyuzZtY VJ6jHwevmFxq5luejRDpjeZ2Zr7vS8DtgmTSpzzY/IGcDGL5TVUfBjb6F3RA= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:229d:b0:662:faec:7d54 with SMTP id 006d021491bc7-6630f02baaamr2468155eaf.25.1769836924220; Fri, 30 Jan 2026 21:22:04 -0800 (PST) Date: Fri, 30 Jan 2026 21:22:04 -0800 In-Reply-To: <20260131023756.72030-1-kartikey406@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <697d917c.050a0220.1d0a41.0003.GAE@google.com> Subject: Re: [syzbot] [gfs2?] memory leak in __kthread_create_on_node From: syzbot To: kartikey406@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: memory leak in gfs2_trans_begin BUG: memory leak unreferenced object 0xffff8881298e2480 (size 144): comm "syz.6.189", pid 7630, jiffies 4294961882 hex dump (first 32 bytes): ba 2d 7a 82 ff ff ff ff 05 00 00 00 00 00 00 00 .-z............. 0b 00 00 00 00 00 00 00 06 00 00 00 00 00 00 00 ................ backtrace (crc 61a3a826): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4958 [inline] slab_alloc_node mm/slub.c:5263 [inline] kmem_cache_alloc_noprof+0x412/0x580 mm/slub.c:5270 gfs2_trans_begin+0x29/0xa0 fs/gfs2/trans.c:120 alloc_dinode fs/gfs2/inode.c:432 [inline] gfs2_create_inode+0xbfa/0x17f0 fs/gfs2/inode.c:822 gfs2_atomic_open+0x96/0x190 fs/gfs2/inode.c:1402 atomic_open fs/namei.c:4304 [inline] lookup_open fs/namei.c:4415 [inline] open_last_lookups fs/namei.c:4549 [inline] path_openat+0x158f/0x20f0 fs/namei.c:4793 do_filp_open+0x104/0x1f0 fs/namei.c:4823 do_sys_openat2+0xcb/0x180 fs/open.c:1430 do_sys_open fs/open.c:1436 [inline] __do_sys_open fs/open.c:1444 [inline] __se_sys_open fs/open.c:1440 [inline] __x64_sys_open+0x7e/0xf0 fs/open.c:1440 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF Tested on: commit: ad9a728a Merge tag 'for-linus-iommufd' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13c94e94580000 kernel config: https://syzkaller.appspot.com/x/.config?x=9d7d0fbecb37bff8 dashboard link: https://syzkaller.appspot.com/bug?extid=aac438d7a1c44071e04b compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 patch: https://syzkaller.appspot.com/x/patch.diff?x=145aa252580000