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muchun.song@linux.dev, ntfs3@lists.linux.dev, roman.gushchin@linux.dev, shakeel.butt@linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 8E684120005 X-Stat-Signature: 5iwmtb3ocfbe6wc641fkq85bie31pxck X-HE-Tag: 1740916589-604917 X-HE-Meta: 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3rUVOirsqE4ir4A0GS7E52LXw2EyUMpS+YIs6FXYmahCEAA2tVDu1UkZUDi9Uzh9ef35uAh2SRo9Di80beM/9n0SyQ10t2apYjciRWKsjn5Kw2YRpHxLESfEI66teGXRvunQPH+pga9PKekyIhWiX3qiJvT8Y7weL7Mm3blNcETd+Z/PMvZNW9fMtHiBjltsg0vezvhVAX+UtEPo59CJuwiLGY6LaaWDiIZBdQTSRkNCDVlBORuO1QqCTda7r4H2HM2eSkRmFCp+uQxkDwB44m4gycD1kKq0CXzURBY8su2ISr6h8jlCpECWNCUp+rDaBBsUxG7UY8MshRv3YQlaJRoNPvuqFMgVv8W1ewPVJWAFgwxxhAQqlcLffJ4QqZepUUdvKLqPXP/R/fKsZ7hGwJBrIGp/oQRg 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: 03d38806a902 Merge tag 'thermal-6.14-rc5' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17d6a864580000 kernel config: https://syzkaller.appspot.com/x/.config?x=5b4c41bdaeea1964 dashboard link: https://syzkaller.appspot.com/bug?extid=7687c9b2316f07027b29 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=144528b7980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1036a864580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-03d38806.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/67cb2018261a/vmlinux-03d38806.xz kernel image: https://storage.googleapis.com/syzbot-assets/a6169e75b74a/bzImage-03d38806.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/b184f3480c95/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+7687c9b2316f07027b29@syzkaller.appspotmail.com ntfs3(loop0): Failed to initialize $Extend. overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support RENAME_WHITEOUT. ================================================================== BUG: KASAN: global-out-of-bounds in __lock_acquire+0x78/0x2100 kernel/locking/lockdep.c:5091 Read of size 8 at addr ffffffff8eb38f9f by task syz-executor682/7971 CPU: 0 UID: 0 PID: 7971 Comm: syz-executor682 Not tainted 6.14.0-rc4-syzkaller-00248-g03d38806a902 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0x16e/0x5b0 mm/kasan/report.c:521 kasan_report+0x143/0x180 mm/kasan/report.c:634 __lock_acquire+0x78/0x2100 kernel/locking/lockdep.c:5091 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 rcu_lock_acquire include/linux/rcupdate.h:337 [inline] rcu_read_lock include/linux/rcupdate.h:849 [inline] get_mem_cgroup_from_mm+0x55/0x2a0 mm/memcontrol.c:943 __mem_cgroup_charge+0x16/0x80 mm/memcontrol.c:4504 mem_cgroup_charge include/linux/memcontrol.h:644 [inline] filemap_add_folio+0xb7/0x380 mm/filemap.c:976 __filemap_get_folio+0x52b/0xae0 mm/filemap.c:1980 ntfs_get_frame_pages+0xbe/0x4b0 fs/ntfs3/file.c:945 ntfs_compress_write+0x1154/0x2170 fs/ntfs3/file.c:1101 ntfs_file_write_iter+0x697/0x7f0 fs/ntfs3/file.c:1266 iter_file_splice_write+0xbfa/0x1510 fs/splice.c:743 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0x11b/0x220 fs/splice.c:1164 splice_direct_to_actor+0x586/0xc80 fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x289/0x3e0 fs/splice.c:1233 ovl_copy_up_file+0x5ed/0x7e0 fs/overlayfs/copy_up.c:349 ovl_copy_up_data+0x216/0x290 fs/overlayfs/copy_up.c:654 ovl_copy_up_workdir fs/overlayfs/copy_up.c:796 [inline] ovl_do_copy_up fs/overlayfs/copy_up.c:1001 [inline] ovl_copy_up_one fs/overlayfs/copy_up.c:1202 [inline] ovl_copy_up_flags+0x1e86/0x47e0 fs/overlayfs/copy_up.c:1257 ovl_open+0x139/0x310 fs/overlayfs/file.c:211 do_dentry_open+0xdec/0x1960 fs/open.c:956 vfs_open+0x3b/0x370 fs/open.c:1086 dentry_open+0x61/0xa0 fs/open.c:1109 ima_calc_file_hash+0x16b/0x1b30 security/integrity/ima/ima_crypto.c:553 ima_collect_measurement+0x529/0xb20 security/integrity/ima/ima_api.c:293 process_measurement+0x1351/0x1fb0 security/integrity/ima/ima_main.c:375 ima_file_check+0xd9/0x120 security/integrity/ima/ima_main.c:603 security_file_post_open+0xb9/0x280 security/security.c:3130 do_open fs/namei.c:3832 [inline] path_openat+0x2cca/0x3590 fs/namei.c:3989 do_filp_open+0x27f/0x4e0 fs/namei.c:4016 do_sys_openat2+0x13e/0x1d0 fs/open.c:1428 do_sys_open fs/open.c:1443 [inline] __do_sys_openat fs/open.c:1459 [inline] __se_sys_openat fs/open.c:1454 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1454 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f492e5d8d19 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:00007f492e58f218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f492e6806a8 RCX: 00007f492e5d8d19 RDX: 0000000000000083 RSI: 0000400000000000 RDI: 00000000ffffff9c RBP: 00007f492e6806a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f492e64c920 R13: 0000400000000000 R14: 0000400000000140 R15: 0030656c69662f2e The buggy address belongs to the variable: rcu_expedited_nesting+0x1f/0x20 The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xeb38 flags: 0xfff00000002000(reserved|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000002000 ffffea00003ace08 ffffea00003ace08 0000000000000000 raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner info is not present (never set?) Memory state around the buggy address: ffffffff8eb38e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f9 ffffffff8eb38f00: f9 f9 f9 f9 00 00 00 00 00 f9 f9 f9 f9 f9 f9 f9 >ffffffff8eb38f80: 04 f9 f9 f9 00 00 00 00 00 f9 f9 f9 f9 f9 f9 f9 ^ ffffffff8eb39000: 00 00 00 00 00 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 ffffffff8eb39080: 00 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00 ================================================================== --- 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