syzbot

ntfs3(loop0): Failed to initialize $Extend.
overlayfs: upper fs does not support tmpfile.
overlayfs: upper fs does not support RENAME_WHITEOUT.
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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:
 <TASK>
 __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
 </TASK>

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
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