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AJvYcCXZFi0k6lFpQ44vc15IPMeR6sLa2uRKCrgdE39t/kRYFpm16mptptV2DKI0J10LPwhIa/hV@lists.linux.dev X-Gm-Message-State: AOJu0YzuBSCFoLFZscZNgoa9qh0rV33pYe/KBcZmT1bh5yK44XYYnGlQ ZSdURpRO4UoVUI0O15rC1NmbiXRTeVft+h8EucPxqSx4ykWh1N+aUfUwJz0gURTh8YiZ5lC+bIQ 38C8+rd83Zh0TXqg2DV3LiVWCzwhATseIKLilP6NDMyCiV5O4EK8ZiQslFCE= Precedence: bulk X-Mailing-List: gfs2@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1524:b0:663:2b12:14fa with SMTP id 006d021491bc7-66a229792d7mr1787822eaf.51.1770224320836; Wed, 04 Feb 2026 08:58:40 -0800 (PST) Date: Wed, 04 Feb 2026 08:58:40 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69837ac0.a00a0220.34fa92.0011.GAE@google.com> Subject: [syzbot] [gfs2?] memory leak in gfs2_quota_init (2) From: syzbot To: agruenba@redhat.com, gfs2@lists.linux.dev, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 283073725700 Merge tag 'riscv-for-linus-6.19-rc8' of git:/.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=108d3c5a580000 kernel config: https://syzkaller.appspot.com/x/.config?x=9d7d0fbecb37bff8 dashboard link: https://syzkaller.appspot.com/bug?extid=e57495fb65020ac7bca4 compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=158fa72a580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=174c9644580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/29ae0baa9654/disk-28307372.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/cc5f836cdf79/vmlinux-28307372.xz kernel image: https://storage.googleapis.com/syzbot-assets/c40c2fb29195/bzImage-28307372.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/bb1679f271de/mount_0.gz fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=170d3c5a580000) IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e57495fb65020ac7bca4@syzkaller.appspotmail.com BUG: memory leak unreferenced object 0xffff88810e866000 (size 8192): comm "syz.0.477", pid 7931, jiffies 4295008793 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 8429a099): 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] __do_kmalloc_node mm/slub.c:5656 [inline] __kmalloc_noprof+0x465/0x680 mm/slub.c:5669 kmalloc_noprof include/linux/slab.h:961 [inline] kzalloc_noprof include/linux/slab.h:1094 [inline] gfs2_quota_init+0xe5/0x820 fs/gfs2/quota.c:1409 gfs2_make_fs_rw+0x7a/0xe0 fs/gfs2/super.c:149 gfs2_fill_super+0xfbb/0x1210 fs/gfs2/ops_fstype.c:1275 get_tree_bdev_flags+0x1c0/0x290 fs/super.c:1691 gfs2_get_tree+0x26/0xd0 fs/gfs2/ops_fstype.c:1332 vfs_get_tree+0x30/0x120 fs/super.c:1751 fc_mount fs/namespace.c:1199 [inline] do_new_mount_fc fs/namespace.c:3636 [inline] do_new_mount fs/namespace.c:3712 [inline] path_mount+0x5a9/0x1350 fs/namespace.c:4022 do_mount fs/namespace.c:4035 [inline] __do_sys_mount fs/namespace.c:4224 [inline] __se_sys_mount fs/namespace.c:4201 [inline] __x64_sys_mount+0x1a3/0x1e0 fs/namespace.c:4201 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 --- 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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