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Mon, 08 Sep 2025 11:45:30 -0700 (PDT) Date: Mon, 08 Sep 2025 11:45:30 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68bf244a.050a0220.192772.0883.GAE@google.com> Subject: [syzbot] [mm?] [ext4?] WARNING in ext4_init_orphan_info From: syzbot To: akpm@linux-foundation.org, apopple@nvidia.com, byungchul@sk.com, david@redhat.com, gourry@gourry.net, joshua.hahnjy@gmail.com, linux-ext4@vger.kernel.org, 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-Queue-Id: CC73940008 X-Rspam-User: X-Rspamd-Server: rspam07 X-Stat-Signature: sc99ja488widuyy6emr3d489p3pxbop5 X-HE-Tag: 1757357131-260731 X-HE-Meta: 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 VT+FTyYL 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 GmJ5ESCn 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 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: 76eeb9b8de98 Linux 6.17-rc5 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12ca0934580000 kernel config: https://syzkaller.appspot.com/x/.config?x=429771c55b615e85 dashboard link: https://syzkaller.appspot.com/bug?extid=0b92850d68d9b12934f5 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=168d2562580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15869562580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/eee687cc7d76/disk-76eeb9b8.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/4062cd7a7107/vmlinux-76eeb9b8.xz kernel image: https://storage.googleapis.com/syzbot-assets/3bcb5a03c247/bzImage-76eeb9b8.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/7e09a33c999c/mount_0.gz fsck result: OK (log: https://syzkaller.appspot.com/x/fsck.log?x=140df312580000) IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0b92850d68d9b12934f5@syzkaller.appspotmail.com EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6103 at mm/page_alloc.c:5124 __alloc_frozen_pages_noprof+0x2c8/0x370 mm/page_alloc.c:5124 Modules linked in: CPU: 0 UID: 0 PID: 6103 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__alloc_frozen_pages_noprof+0x2c8/0x370 mm/page_alloc.c:5124 Code: 74 10 4c 89 e7 89 54 24 0c e8 24 e2 0c 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a5 fe ff ff e9 a6 fe ff ff c6 05 a6 ac f6 0c 01 90 <0f> 0b 90 e9 18 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24 RSP: 0018:ffffc900047676a0 EFLAGS: 00010246 RAX: ffffc90004767600 RBX: 000000000000000e RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90004767708 RBP: ffffc900047677a0 R08: ffffc90004767707 R09: 0000000000000000 R10: ffffc900047676e0 R11: fffff520008ecee1 R12: 0000000000000000 R13: 1ffff920008eced8 R14: 0000000000040cc0 R15: dffffc0000000000 FS: 000055556bfce500(0000) GS:ffff8881268bf000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f54f6aba6b0 CR3: 000000003b292000 CR4: 00000000003526f0 Call Trace: alloc_pages_mpol+0xd1/0x380 mm/mempolicy.c:2416 ___kmalloc_large_node+0x5f/0x1b0 mm/slub.c:4317 __kmalloc_large_node_noprof+0x18/0x90 mm/slub.c:4348 __do_kmalloc_node mm/slub.c:4364 [inline] __kmalloc_noprof+0x27a/0x430 mm/slub.c:4388 kmalloc_noprof include/linux/slab.h:909 [inline] kmalloc_array_noprof include/linux/slab.h:948 [inline] ext4_init_orphan_info+0x2b7/0xc70 fs/ext4/orphan.c:592 __ext4_fill_super fs/ext4/super.c:5590 [inline] ext4_fill_super+0x55ef/0x60b0 fs/ext4/super.c:5728 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1692 vfs_get_tree+0x8f/0x2b0 fs/super.c:1815 do_new_mount+0x2a2/0x9e0 fs/namespace.c:3808 do_mount fs/namespace.c:4136 [inline] __do_sys_mount fs/namespace.c:4347 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4324 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbc7ab6038a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffed38a5318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffed38a53a0 RCX: 00007fbc7ab6038a RDX: 0000200000000040 RSI: 00002000000001c0 RDI: 00007ffed38a5360 RBP: 0000200000000040 R08: 00007ffed38a53a0 R09: 0000000000000c04 R10: 0000000000000c04 R11: 0000000000000246 R12: 00002000000001c0 R13: 00007ffed38a5360 R14: 0000000000000448 R15: 0000200000000580 --- 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