[Android 5.10] kernel BUG in ext4_split_extent_at
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syzbot
Jun 8, 2023, 8:07:49 PM6/8/23
to syzkaller-a...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 43c801dc3325 Revert "ASoC: hdac_hdmi: use set_stream() ins..
git tree: android13-5.10-lts
console output: https://syzkaller.appspot.com/x/log.txt?x=102f9d95280000
kernel config: https://syzkaller.appspot.com/x/.config?x=8c298cd1af0b8136
dashboard link: https://syzkaller.appspot.com/bug?extid=1257631df4d42447d768
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14202c63280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11135f93280000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/df726002fbe5/disk-43c801dc.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2b767931d62c/vmlinux-43c801dc.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9048fda500c7/bzImage-43c801dc.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/691cb28128e2/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+125763...@syzkaller.appspotmail.com
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4_extents.h:199!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1064 Comm: syz-executor276 Not tainted 5.10.178-syzkaller-00127-g43c801dc3325 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:ext4_ext_mark_unwritten fs/ext4/ext4_extents.h:199 [inline]
RIP: 0010:ext4_split_extent_at+0x10f0/0x1100 fs/ext4/extents.c:3216
Code: fb cf ff 48 8b 74 24 68 48 8b 54 24 40 e9 46 fa ff ff e8 d3 ed 92 ff 0f 0b e8 cc ed 92 ff 0f 0b e8 75 34 d2 02 e8 c0 ed 92 ff <0f> 0b e8 b9 ed 92 ff 0f 0b e8 b2 ed 92 ff 0f 0b 55 48 89 e5 41 57
RSP: 0018:ffffc90001c66e60 EFLAGS: 00010293
RAX: ffffffff81d78560 RBX: 0000000000000000 RCX: ffff88811e424f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001c66fd8 R08: ffffffff81d77915 R09: ffffed10238a0e7f
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888119b8a200
R13: ffff88811b9de010 R14: 0000000000000000 R15: 0000000000000004
FS: 00007f891a7d2700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002003f000 CR3: 000000010e1c5000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ext4_split_extent+0x370/0x4e0 fs/ext4/extents.c:3380
ext4_split_convert_extents fs/ext4/extents.c:3708 [inline]
ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3870 [inline]
ext4_ext_map_blocks+0x210f/0x6be0 fs/ext4/extents.c:4162
ext4_map_blocks+0xaa7/0x1f00 fs/ext4/inode.c:646
ext4_iomap_alloc fs/ext4/inode.c:3516 [inline]
ext4_iomap_begin+0x798/0xbb0 fs/ext4/inode.c:3566
iomap_apply+0x116/0x8a0 fs/iomap/apply.c:46
__iomap_dio_rw+0x767/0x10f0 fs/iomap/direct-io.c:525
iomap_dio_rw+0x35/0x80 fs/iomap/direct-io.c:613
ext4_dio_write_iter fs/ext4/file.c:577 [inline]
ext4_file_write_iter+0x10e8/0x1ca0 fs/ext4/file.c:687
call_write_iter include/linux/fs.h:1976 [inline]
new_sync_write fs/read_write.c:518 [inline]
vfs_write+0xb55/0xe70 fs/read_write.c:605
ksys_write+0x199/0x2c0 fs/read_write.c:658
__do_sys_write fs/read_write.c:670 [inline]
__se_sys_write fs/read_write.c:667 [inline]
__x64_sys_write+0x7b/0x90 fs/read_write.c:667
do_syscall_64+0x34/0x70
entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f8922c0fbf9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f891a7d2208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000027 RCX: 00007f8922c0fbf9
RDX: 0000000000000012 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007f8922c8d790 R08: 00007f8922c8d798 R09: 00007f8922c8d798
R10: 00007f8922c8d798 R11: 0000000000000246 R12: 00007f8922c8d79c
R13: 00007ffd4671edef R14: 00007f891a7d2300 R15: 0000000000022000
Modules linked in:
---[ end trace d5301ebced837581 ]---
RIP: 0010:ext4_ext_mark_unwritten fs/ext4/ext4_extents.h:199 [inline]
RIP: 0010:ext4_split_extent_at+0x10f0/0x1100 fs/ext4/extents.c:3216
Code: fb cf ff 48 8b 74 24 68 48 8b 54 24 40 e9 46 fa ff ff e8 d3 ed 92 ff 0f 0b e8 cc ed 92 ff 0f 0b e8 75 34 d2 02 e8 c0 ed 92 ff <0f> 0b e8 b9 ed 92 ff 0f 0b e8 b2 ed 92 ff 0f 0b 55 48 89 e5 41 57
RSP: 0018:ffffc90001c66e60 EFLAGS: 00010293
RAX: ffffffff81d78560 RBX: 0000000000000000 RCX: ffff88811e424f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001c66fd8 R08: ffffffff81d77915 R09: ffffed10238a0e7f
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888119b8a200
R13: ffff88811b9de010 R14: 0000000000000000 R15: 0000000000000004
FS: 00007f891a7d2700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8922c4b3b0 CR3: 000000010e1c5000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
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 syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the bug is already fixed, 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 change bug's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the bug is a duplicate of another bug, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 43c801dc3325 Revert "ASoC: hdac_hdmi: use set_stream() ins..
git tree: android13-5.10-lts
console output: https://syzkaller.appspot.com/x/log.txt?x=102f9d95280000
kernel config: https://syzkaller.appspot.com/x/.config?x=8c298cd1af0b8136
dashboard link: https://syzkaller.appspot.com/bug?extid=1257631df4d42447d768
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14202c63280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11135f93280000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/df726002fbe5/disk-43c801dc.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2b767931d62c/vmlinux-43c801dc.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9048fda500c7/bzImage-43c801dc.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/691cb28128e2/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+125763...@syzkaller.appspotmail.com
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4_extents.h:199!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1064 Comm: syz-executor276 Not tainted 5.10.178-syzkaller-00127-g43c801dc3325 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:ext4_ext_mark_unwritten fs/ext4/ext4_extents.h:199 [inline]
RIP: 0010:ext4_split_extent_at+0x10f0/0x1100 fs/ext4/extents.c:3216
Code: fb cf ff 48 8b 74 24 68 48 8b 54 24 40 e9 46 fa ff ff e8 d3 ed 92 ff 0f 0b e8 cc ed 92 ff 0f 0b e8 75 34 d2 02 e8 c0 ed 92 ff <0f> 0b e8 b9 ed 92 ff 0f 0b e8 b2 ed 92 ff 0f 0b 55 48 89 e5 41 57
RSP: 0018:ffffc90001c66e60 EFLAGS: 00010293
RAX: ffffffff81d78560 RBX: 0000000000000000 RCX: ffff88811e424f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001c66fd8 R08: ffffffff81d77915 R09: ffffed10238a0e7f
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888119b8a200
R13: ffff88811b9de010 R14: 0000000000000000 R15: 0000000000000004
FS: 00007f891a7d2700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002003f000 CR3: 000000010e1c5000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ext4_split_extent+0x370/0x4e0 fs/ext4/extents.c:3380
ext4_split_convert_extents fs/ext4/extents.c:3708 [inline]
ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3870 [inline]
ext4_ext_map_blocks+0x210f/0x6be0 fs/ext4/extents.c:4162
ext4_map_blocks+0xaa7/0x1f00 fs/ext4/inode.c:646
ext4_iomap_alloc fs/ext4/inode.c:3516 [inline]
ext4_iomap_begin+0x798/0xbb0 fs/ext4/inode.c:3566
iomap_apply+0x116/0x8a0 fs/iomap/apply.c:46
__iomap_dio_rw+0x767/0x10f0 fs/iomap/direct-io.c:525
iomap_dio_rw+0x35/0x80 fs/iomap/direct-io.c:613
ext4_dio_write_iter fs/ext4/file.c:577 [inline]
ext4_file_write_iter+0x10e8/0x1ca0 fs/ext4/file.c:687
call_write_iter include/linux/fs.h:1976 [inline]
new_sync_write fs/read_write.c:518 [inline]
vfs_write+0xb55/0xe70 fs/read_write.c:605
ksys_write+0x199/0x2c0 fs/read_write.c:658
__do_sys_write fs/read_write.c:670 [inline]
__se_sys_write fs/read_write.c:667 [inline]
__x64_sys_write+0x7b/0x90 fs/read_write.c:667
do_syscall_64+0x34/0x70
entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f8922c0fbf9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f891a7d2208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000027 RCX: 00007f8922c0fbf9
RDX: 0000000000000012 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007f8922c8d790 R08: 00007f8922c8d798 R09: 00007f8922c8d798
R10: 00007f8922c8d798 R11: 0000000000000246 R12: 00007f8922c8d79c
R13: 00007ffd4671edef R14: 00007f891a7d2300 R15: 0000000000022000
Modules linked in:
---[ end trace d5301ebced837581 ]---
RIP: 0010:ext4_ext_mark_unwritten fs/ext4/ext4_extents.h:199 [inline]
RIP: 0010:ext4_split_extent_at+0x10f0/0x1100 fs/ext4/extents.c:3216
Code: fb cf ff 48 8b 74 24 68 48 8b 54 24 40 e9 46 fa ff ff e8 d3 ed 92 ff 0f 0b e8 cc ed 92 ff 0f 0b e8 75 34 d2 02 e8 c0 ed 92 ff <0f> 0b e8 b9 ed 92 ff 0f 0b e8 b2 ed 92 ff 0f 0b 55 48 89 e5 41 57
RSP: 0018:ffffc90001c66e60 EFLAGS: 00010293
RAX: ffffffff81d78560 RBX: 0000000000000000 RCX: ffff88811e424f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001c66fd8 R08: ffffffff81d77915 R09: ffffed10238a0e7f
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888119b8a200
R13: ffff88811b9de010 R14: 0000000000000000 R15: 0000000000000004
FS: 00007f891a7d2700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8922c4b3b0 CR3: 000000010e1c5000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
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 syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the bug is already fixed, 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 change bug's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the bug is a duplicate of another bug, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot
Jun 9, 2023, 1:14:49 AM6/9/23
to syzkaller-a...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: f73aafc29bee ANDROID: ABI: Update pixel symbol list
syzbot found the following issue on:
git tree: android14-6.1
console output: https://syzkaller.appspot.com/x/log.txt?x=179542fd280000
kernel config: https://syzkaller.appspot.com/x/.config?x=f3a6e543620145da
dashboard link: https://syzkaller.appspot.com/bug?extid=5dde536eaf52fbd0073f
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15b5e6f1280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14e73759280000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/fbb30bd9ff7d/disk-f73aafc2.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/8b6b21a43b0d/vmlinux-f73aafc2.xz
kernel image: https://storage.googleapis.com/syzbot-assets/a56483f1433b/bzImage-f73aafc2.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/b4feee506818/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4_extents.h:200!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1994 Comm: syz-executor331 Not tainted 6.1.25-syzkaller-00011-gf73aafc29bee #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:ext4_ext_mark_unwritten fs/ext4/ext4_extents.h:200 [inline]
RIP: 0010:ext4_split_extent_at+0x11d9/0x11f0 fs/ext4/extents.c:3222
Code: 4f ce ff 4c 8b 7c 24 18 48 8b 74 24 38 e9 b5 f9 ff ff e8 ba 6a 88 ff 0f 0b e8 b3 6a 88 ff 0f 0b e8 ec 66 1a 03 e8 a7 6a 88 ff <0f> 0b e8 a0 6a 88 ff 0f 0b e8 99 6a 88 ff 0f 0b 0f 1f 80 00 00 00
RSP: 0018:ffffc900035e6e60 EFLAGS: 00010293
RAX: ffffffff81eb55f9 RBX: 0000000000000000 RCX: ffff88811153e400
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900035e6fd8 R08: ffffffff81eb4942 R09: ffffed1023c47751
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881226c7010 R14: 0000000000000000 R15: ffff88810ba1af28
FS: 00007f63e3a2c700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002003f000 CR3: 00000001111f8000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ext4_split_extent+0x370/0x4e0 fs/ext4/extents.c:3385
ext4_split_convert_extents fs/ext4/extents.c:3714 [inline]
ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3876 [inline]
ext4_ext_map_blocks+0x211e/0x71e0 fs/ext4/extents.c:4168
ext4_map_blocks+0xa42/0x1ce0 fs/ext4/inode.c:651
ext4_iomap_alloc fs/ext4/inode.c:3422 [inline]
ext4_iomap_begin+0x824/0xd10 fs/ext4/inode.c:3472
iomap_iter+0x5c1/0xbf0 fs/iomap/iter.c:74
__iomap_dio_rw+0xddc/0x20a0 fs/iomap/direct-io.c:601
iomap_dio_rw+0x41/0x90 fs/iomap/direct-io.c:690
ext4_dio_write_iter fs/ext4/file.c:587 [inline]
ext4_file_write_iter+0x1123/0x1cf0 fs/ext4/file.c:698
call_write_iter include/linux/fs.h:2215 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x8d1/0xe80 fs/read_write.c:584
ksys_write+0x199/0x2c0 fs/read_write.c:637
__do_sys_write fs/read_write.c:649 [inline]
__se_sys_write fs/read_write.c:646 [inline]
__x64_sys_write+0x7b/0x90 fs/read_write.c:646
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f63ebe621c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 15 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f63e3a2c2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000027 RCX: 00007f63ebe621c9
RDX: 0000000000000012 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007f63ebee77b8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f63ebee5140
R13: 00007f63ebee77b0 R14: 00007f63ebeb47b8 R15: 6f6f6c2f7665642f
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_ext_mark_unwritten fs/ext4/ext4_extents.h:200 [inline]
RIP: 0010:ext4_split_extent_at+0x11d9/0x11f0 fs/ext4/extents.c:3222
Code: 4f ce ff 4c 8b 7c 24 18 48 8b 74 24 38 e9 b5 f9 ff ff e8 ba 6a 88 ff 0f 0b e8 b3 6a 88 ff 0f 0b e8 ec 66 1a 03 e8 a7 6a 88 ff <0f> 0b e8 a0 6a 88 ff 0f 0b e8 99 6a 88 ff 0f 0b 0f 1f 80 00 00 00
RSP: 0018:ffffc900035e6e60 EFLAGS: 00010293
RAX: ffffffff81eb55f9 RBX: 0000000000000000 RCX: ffff88811153e400
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900035e6fd8 R08: ffffffff81eb4942 R09: ffffed1023c47751
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881226c7010 R14: 0000000000000000 R15: ffff88810ba1af28
FS: 00007f63e3a2c700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f63e3a2c718 CR3: 00000001111f8000 CR4: 00000000003506a0
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