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Tue, 29 Nov 2022 00:43:37 -0800 (PST) Date: Tue, 29 Nov 2022 00:43:37 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ec75b005ee97fbaa@google.com> Subject: [syzbot] WARNING in rmqueue From: syzbot To: chao@kernel.org, huyue2@coolpad.com, jefflexu@linux.alibaba.com, linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, xiang@kernel.org Content-Type: text/plain; charset="UTF-8" X-BeenThere: linux-erofs@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development of Linux EROFS file system List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Sender: "Linux-erofs" Hello, syzbot found the following issue on: HEAD commit: b7b275e60bcd Linux 6.1-rc7 git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=16a70187880000 kernel config: https://syzkaller.appspot.com/x/.config?x=2325e409a9a893e1 dashboard link: https://syzkaller.appspot.com/bug?extid=aafb3f37cfeb6534c4ac compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15dde8a1880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15685e8d880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/525233126d34/disk-b7b275e6.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e8299bf41400/vmlinux-b7b275e6.xz kernel image: https://storage.googleapis.com/syzbot-assets/eebf691dbf6f/bzImage-b7b275e6.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/d643567f551d/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+aafb3f37cfeb6534c4ac@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 48 at mm/page_alloc.c:3837 __count_numa_events include/linux/vmstat.h:249 [inline] WARNING: CPU: 0 PID: 48 at mm/page_alloc.c:3837 zone_statistics mm/page_alloc.c:3692 [inline] WARNING: CPU: 0 PID: 48 at mm/page_alloc.c:3837 rmqueue_buddy mm/page_alloc.c:3728 [inline] WARNING: CPU: 0 PID: 48 at mm/page_alloc.c:3837 rmqueue+0x1d6b/0x1ed0 mm/page_alloc.c:3853 Modules linked in: CPU: 0 PID: 48 Comm: kworker/u5:0 Not tainted 6.1.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: erofs_unzipd z_erofs_decompressqueue_work RIP: 0010:rmqueue+0x1d6b/0x1ed0 mm/page_alloc.c:3837 Code: 48 8b 02 65 48 ff 40 20 49 83 f6 05 42 80 3c 2b 00 74 08 4c 89 e7 e8 a4 44 0b 00 49 8b 04 24 65 4a ff 44 f0 10 e9 2a fe ff ff <0f> 0b e9 29 e3 ff ff 48 89 df be 08 00 00 00 e8 31 46 0b 00 f0 41 RSP: 0018:ffffc90000b97260 EFLAGS: 00010202 RAX: f301f204f1f1f1f1 RBX: ffff88813fffae00 RCX: 000000000000adc2 RDX: 1ffff92000172e70 RSI: 1ffff92000172e70 RDI: ffff88813fffae00 RBP: ffffc90000b97420 R08: 0000000000000901 R09: 0000000000000009 R10: ffffed1027fff5b3 R11: 1ffff11027fff5b2 R12: ffff88813fffc310 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88813fffa700 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7bec722f10 CR3: 000000004a430000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: get_page_from_freelist+0x4b6/0x7c0 mm/page_alloc.c:4288 __alloc_pages+0x259/0x560 mm/page_alloc.c:5558 vm_area_alloc_pages mm/vmalloc.c:2975 [inline] __vmalloc_area_node mm/vmalloc.c:3043 [inline] __vmalloc_node_range+0x8f4/0x1290 mm/vmalloc.c:3213 kvmalloc_node+0x13e/0x180 mm/util.c:606 kvmalloc include/linux/slab.h:706 [inline] kvmalloc_array include/linux/slab.h:724 [inline] kvcalloc include/linux/slab.h:729 [inline] z_erofs_decompress_pcluster fs/erofs/zdata.c:1049 [inline] z_erofs_decompress_queue+0x693/0x2c30 fs/erofs/zdata.c:1155 z_erofs_decompressqueue_work+0x95/0xe0 fs/erofs/zdata.c:1167 process_one_work+0x877/0xdb0 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 --- 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. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches