Hello, syzbot found the following issue on: HEAD commit: b6394d6f7159 Merge tag 'pull-misc' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=142a7cb2980000 kernel config: https://syzkaller.appspot.com/x/.config?x=713476114e57eef3 dashboard link: https://syzkaller.appspot.com/bug?extid=026119922c20a8915631 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14d43f84980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11d4fadc980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/e8e1377d4772/disk-b6394d6f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/19fbbb3b6dd5/vmlinux-b6394d6f.xz kernel image: https://storage.googleapis.com/syzbot-assets/4dcce16af95d/bzImage-b6394d6f.xz mounted in repro #1: https://storage.googleapis.com/syzbot-assets/e197bb1019a1/mount_0.gz mounted in repro #2: https://storage.googleapis.com/syzbot-assets/1c62d475ecf4/mount_2.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+026119922c20a8915631@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5096 at mm/filemap.c:217 filemap_unaccount_folio+0x6be/0xe40 mm/filemap.c:216 Modules linked in: CPU: 1 PID: 5096 Comm: syz-executor306 Not tainted 6.9.0-syzkaller-10729-gb6394d6f7159 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:filemap_unaccount_folio+0x6be/0xe40 mm/filemap.c:216 Code: 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 0f 85 e5 00 00 00 8b 6d 00 ff c5 e9 45 fa ff ff e8 c3 66 ca ff 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 41 80 3c 06 00 74 0a 48 8b RSP: 0018:ffffc9000382f1f8 EFLAGS: 00010093 RAX: ffffffff81cbd3ad RBX: ffff888079ef0380 RCX: ffff88802d4f5a00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000003 R08: ffffffff81cbd2c9 R09: 1ffffd40000c1ec8 R10: dffffc0000000000 R11: fffff940000c1ec9 R12: 1ffffd40000c1ec8 R13: ffffea000060f640 R14: 1ffff1100f3de070 R15: ffffea000060f648 FS: 00007f13ab0c76c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000002ca92000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> delete_from_page_cache_batch+0x173/0xc70 mm/filemap.c:341 truncate_inode_pages_range+0x364/0xfc0 mm/truncate.c:359 truncate_inode_pages mm/truncate.c:439 [inline] truncate_pagecache mm/truncate.c:732 [inline] truncate_setsize+0xcf/0xf0 mm/truncate.c:757 simple_setattr+0xbe/0x110 fs/libfs.c:886 notify_change+0xbb4/0xe70 fs/attr.c:499 do_truncate+0x220/0x310 fs/open.c:65 handle_truncate fs/namei.c:3308 [inline] do_open fs/namei.c:3654 [inline] path_openat+0x2a3d/0x3280 fs/namei.c:3807 do_filp_open+0x235/0x490 fs/namei.c:3834 do_sys_openat2+0x13e/0x1d0 fs/open.c:1405 do_sys_open fs/open.c:1420 [inline] __do_sys_creat fs/open.c:1496 [inline] __se_sys_creat fs/open.c:1490 [inline] __x64_sys_creat+0x123/0x170 fs/open.c:1490 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f13ab131c99 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f13ab0c7198 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f13ab1bf6d8 RCX: 00007f13ab131c99 RDX: 00007f13ab131c99 RSI: 0000000000000000 RDI: 00000000200001c0 RBP: 00007f13ab1bf6d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f13ab18c160 R13: 000000000000006e R14: 0030656c69662f2e R15: 00007f13ab186bc0 </TASK> --- 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@xxxxxxxxxxxxxxxx. 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
