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AHgh+Rrd4CVXajvVvVHw8tXpPUWYOp8I0HJ7KfyKPg5oZzf2iI+UrmF9We7o8Oc6dt+x2IokaTPXVLhVwA==@kvack.org X-Gm-Message-State: AOJu0Yz+juzlBLobiFud1z8AemoS1SBLo/IPzXfbJHQeR3sqVxXNml+z h07piAPLZ/2IbWiLGfpBlmO3zbELsinz5IdTwFA+quFtnvk8u2AubVb9GCMnxkyuj+pozlZjCpb Sv4nhcX5LAiEBeEHykv6houJTBPVmeAyGFR79oL4lmfIKAj3wn53tgijG3zM= MIME-Version: 1.0 X-Received: by 2002:a05:6820:6aca:b0:6a3:a335:1ccd with SMTP id 006d021491bc7-6b13c35fcb9mr8149031eaf.8.1787179782340; Wed, 19 Aug 2026 15:49:42 -0700 (PDT) Date: Wed, 19 Aug 2026 15:49:42 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a863306.ae6ddae5.3da009.0013.GAE@google.com> Subject: [syzbot] [mm?] [gfs2?] WARNING in read_rindex_entry From: syzbot To: akpm@linux-foundation.org, apopple@nvidia.com, byungchul@sk.com, david@kernel.org, gfs2@lists.linux.dev, gourry@gourry.net, joshua.hahnjy@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, matthew.brost@intel.com, rakie.kim@sk.com, syzkaller-bugs@googlegroups.com, ying.huang@linux.alibaba.com, ziy@nvidia.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 50A16C000A X-Stat-Signature: 8mbigtb7dfa4fm3w7r7gsu39859bhrum X-Rspam-User: X-HE-Tag: 1787179783-276888 X-HE-Meta: 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 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: 15ef2f78c49d Merge tag 'input-for-v7.2-rc7' of git://git.k.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=10871279580000 kernel config: https://syzkaller.appspot.com/x/.config?x=a0fdc3b566746377 dashboard link: https://syzkaller.appspot.com/bug?extid=9d20c3ad7d29227de28d 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=14871279580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=100d2a25580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c2a8c7d3a889/disk-15ef2f78.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2da78afed345/vmlinux-15ef2f78.xz kernel image: https://storage.googleapis.com/syzbot-assets/c4ffd97e4708/bzImage-15ef2f78.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/eaa4120812b6/mount_0.gz fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=17f52a25580000) IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9d20c3ad7d29227de28d@syzkaller.appspotmail.com gfs2: fsid=.: Now mounting FS (format 1801)... gfs2: fsid=..0: journal 0 mapped with 18 extents in 0ms gfs2: fsid=..0: first mount done, others may mount ------------[ cut here ]------------ 1 WARNING: mm/page_alloc.c:5280 at __alloc_frozen_pages_noprof+0x2427/0x2dc0 mm/page_alloc.c:5280, CPU#1: syz-executor256/5629 Modules linked in: CPU: 1 UID: 0 PID: 5629 Comm: syz-executor256 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 RIP: 0010:__alloc_frozen_pages_noprof+0x2427/0x2dc0 mm/page_alloc.c:5280 Code: e9 8d fb ff ff 31 d2 be 28 12 00 00 48 c7 c7 a0 64 e1 8b e8 5b 8c 69 ff 2e 2e 2e 31 c0 e9 02 ed ff ff c6 05 54 c1 9d 0e 01 90 <0f> 0b 90 e9 6f df ff ff 48 c7 c7 80 ae d3 8e 45 89 f7 44 8b 74 24 RSP: 0018:ffffc9000345f0e0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 1ffff9200068be36 RDI: 0000000000040d40 RBP: 000000000000000b R08: 0000000000000005 R09: 0000000000000009 R10: 000000000000000b R11: 0000000000000000 R12: 0000000000040d40 R13: 1ffff9200068be74 R14: ffffffff9b759444 R15: 0000000000000001 FS: 000055556d263400(0000) GS:ffff888123ee1000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055886dbe9978 CR3: 000000003394d000 CR4: 0000000000350ef0 Call Trace: alloc_pages_mpol+0x1fb/0x540 mm/mempolicy.c:2490 ___kmalloc_large_node+0xe5/0x120 mm/slub.c:5274 __kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:5305 __do_kmalloc_node mm/slub.c:5322 [inline] __kmalloc_noprof+0x5a1/0x820 mm/slub.c:5359 _kmalloc_noprof include/linux/slab.h:992 [inline] _kzalloc_noprof include/linux/slab.h:1309 [inline] compute_bitstructs fs/gfs2/rgrp.c:766 [inline] read_rindex_entry+0x4a1/0x1250 fs/gfs2/rgrp.c:931 gfs2_ri_update+0x6f/0x3b0 fs/gfs2/rgrp.c:1001 gfs2_rindex_update+0x40b/0x480 fs/gfs2/rgrp.c:1051 init_inodes+0x1f78/0x2790 fs/gfs2/ops_fstype.c:872 gfs2_fill_super+0x1d3d/0x2cf0 fs/gfs2/ops_fstype.c:1250 get_tree_bdev_flags+0x38c/0x620 fs/super.c:1640 gfs2_get_tree+0x4e/0x280 fs/gfs2/ops_fstype.c:1332 vfs_get_tree+0x92/0x320 fs/super.c:1700 fc_mount fs/namespace.c:1198 [inline] do_new_mount_fc fs/namespace.c:3765 [inline] do_new_mount fs/namespace.c:3841 [inline] path_mount+0x7d0/0x23d0 fs/namespace.c:4161 do_mount fs/namespace.c:4174 [inline] __do_sys_mount fs/namespace.c:4390 [inline] __se_sys_mount fs/namespace.c:4367 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:4367 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff9e8de99ea Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 a4 30 0a 00 00 00 00 00 eb 96 e8 51 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc770eecc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffc770eece0 RCX: 00007ff9e8de99ea RDX: 0000200000000040 RSI: 0000200000000100 RDI: 00007ffc770eece0 RBP: 0000200000000100 R08: 00007ffc770eed20 R09: 0000000000000000 R10: 0000000000008cd3 R11: 0000000000000246 R12: 0000200000000040 R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffc770eed20 --- 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