syzbot

loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
(syz.0.0,5320,0):ocfs2_check_set_options:1244 ERROR: Invalid heartbeat mount options
loop0: detected capacity change from 32768 to 32767
OCFS2: ERROR (device loop0): int ocfs2_validate_inode_block(struct super_block *, struct buffer_head *): Invalid dinode #17058: signature = �|�
On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted.
OCFS2: File system is now read-only.
(syz.0.0,5320,0):ocfs2_assign_bh:2417 ERROR: status = -30
(syz.0.0,5320,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -30
(syz.0.0,5320,0):ocfs2_reflink_inodes_lock:4747 ERROR: status = -30
------------[ cut here ]------------
kernel BUG at ./include/linux/highmem.h:577!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:memcpy_from_folio include/linux/highmem.h:577 [inline]
RIP: 0010:ocfs2_write_end_inline fs/ocfs2/aops.c:1917 [inline]
RIP: 0010:ocfs2_write_end_nolock+0x1760/0x18c0 fs/ocfs2/aops.c:1951
Code: 90 0f 0b e8 e2 dc 06 fe 90 0f 0b e8 da dc 06 fe 48 8b 7c 24 10 48 c7 c6 60 97 12 8c e8 09 1a 69 fd 90 0f 0b e8 c1 dc 06 fe 90 <0f> 0b 65 44 8b 25 aa fb 7a 0f bf 07 00 00 00 44 89 e6 e8 e9 e0 06
RSP: 0018:ffffc9000e44f1e0 EFLAGS: 00010283
RAX: ffffffff83bef47f RBX: 0000000000000000 RCX: 0000000000100000
RDX: ffffc9000eea2000 RSI: 0000000000003791 RDI: 0000000000003792
RBP: ffffc9000e44f350 R08: ffffea0000471c87 R09: 1ffffd400008e390
R10: dffffc0000000000 R11: fffff9400008e391 R12: 0000000000001000
R13: 0000000000002000 R14: 0000000000001000 R15: 0000000000000000
FS:  00007fd4bfe296c0(0000) GS:ffff88808c881000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc3837909c0 CR3: 000000000e4c7000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ocfs2_write_end+0x58/0x90 fs/ocfs2/aops.c:2061
 generic_perform_write+0x620/0x8f0 mm/filemap.c:4346
 ocfs2_file_write_iter+0x1663/0x1e70 fs/ocfs2/file.c:2476
 iter_file_splice_write+0x9a1/0x10f0 fs/splice.c:736
 do_splice_from fs/splice.c:936 [inline]
 direct_splice_actor+0x101/0x160 fs/splice.c:1159
 splice_direct_to_actor+0x53a/0xc70 fs/splice.c:1103
 do_splice_direct_actor fs/splice.c:1202 [inline]
 do_splice_direct+0x195/0x290 fs/splice.c:1228
 vfs_copy_file_range+0xb02/0x1370 fs/read_write.c:1634
 __do_sys_copy_file_range fs/read_write.c:1683 [inline]
 __se_sys_copy_file_range+0x2fb/0x480 fs/read_write.c:1650
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd4bef9cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd4bfe28fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007fd4bf215fa0 RCX: 00007fd4bef9cdd9
RDX: 0000000000000004 RSI: 00002000000001c0 RDI: 0000000000000005
RBP: 00007fd4bf032d69 R08: ffffffffa003e45b R09: 0700000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd4bf216038 R14: 00007fd4bf215fa0 R15: 00007ffea2828fd8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:memcpy_from_folio include/linux/highmem.h:577 [inline]
RIP: 0010:ocfs2_write_end_inline fs/ocfs2/aops.c:1917 [inline]
RIP: 0010:ocfs2_write_end_nolock+0x1760/0x18c0 fs/ocfs2/aops.c:1951
Code: 90 0f 0b e8 e2 dc 06 fe 90 0f 0b e8 da dc 06 fe 48 8b 7c 24 10 48 c7 c6 60 97 12 8c e8 09 1a 69 fd 90 0f 0b e8 c1 dc 06 fe 90 <0f> 0b 65 44 8b 25 aa fb 7a 0f bf 07 00 00 00 44 89 e6 e8 e9 e0 06
RSP: 0018:ffffc9000e44f1e0 EFLAGS: 00010283
RAX: ffffffff83bef47f RBX: 0000000000000000 RCX: 0000000000100000
RDX: ffffc9000eea2000 RSI: 0000000000003791 RDI: 0000000000003792
RBP: ffffc9000e44f350 R08: ffffea0000471c87 R09: 1ffffd400008e390
R10: dffffc0000000000 R11: fffff9400008e391 R12: 0000000000001000
R13: 0000000000002000 R14: 0000000000001000 R15: 0000000000000000
FS:  00007fd4bfe296c0(0000) GS:ffff88808c881000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc3837909c0 CR3: 000000000e4c7000 CR4: 0000000000352ef0