[v5.15] kernel BUG in __locate_dirty_segment
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syzbot
Jan 7, 2025, 2:13:24 PM1/7/25
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 91786f140358 Linux 5.15.175
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1555f5c4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=1fc30776feb70ea7
dashboard link: https://syzkaller.appspot.com/bug?extid=e0e7acee474d9914d580
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/210b1e4b59b1/disk-91786f14.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1cf8391059a0/vmlinux-91786f14.xz
kernel image: https://storage.googleapis.com/syzbot-assets/1d9077a44b1c/bzImage-91786f14.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e0e7ac...@syzkaller.appspotmail.com
F2FS-fs (loop1): Found nat_bits in checkpoint
F2FS-fs (loop1): Start checkpoint disabled!
F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
------------[ cut here ]------------
kernel BUG at fs/f2fs/segment.c:836!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4345 Comm: syz.1.30 Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__locate_dirty_segment+0xb53/0xb60 fs/f2fs/segment.c:835
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 2a fd ff ff 4c 89 e7 e8 0e 6f 1a fe e9 1d fd ff ff e8 f4 92 d0 fd 0f 0b e8 ed 92 d0 fd <0f> 0b e8 e6 92 d0 fd 0f 0b 0f 1f 40 00 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc9000327f1f0 EFLAGS: 00010283
RAX: ffffffff83aff1f3 RBX: ffff88805fec54f0 RCX: 0000000000080000
RDX: ffffc90005681000 RSI: 0000000000020bd5 RDI: 0000000000020bd6
RBP: 0000000000000000 R08: ffffffff83afec3f R09: ffffed102833bdaf
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078ddba10
R13: 1ffff1100fa1d02d R14: 0000000000000002 R15: ffff88807d0e8168
FS: 00007f4f89ebc6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000001fb99000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
locate_dirty_segment+0x43f/0x5a0 fs/f2fs/segment.c:908
f2fs_invalidate_blocks+0x2b2/0x3a0 fs/f2fs/segment.c:2382
f2fs_truncate_data_blocks_range+0x79c/0xfe0 fs/f2fs/file.c:605
truncate_dnode fs/f2fs/node.c:943 [inline]
f2fs_truncate_inode_blocks+0xa3a/0x10d0 fs/f2fs/node.c:1155
f2fs_do_truncate_blocks+0x52e/0x9c0 fs/f2fs/file.c:723
f2fs_truncate_blocks+0x109/0x2f0 fs/f2fs/file.c:751
f2fs_truncate+0x3c2/0x740 fs/f2fs/file.c:803
f2fs_setattr+0xae3/0x11d0 fs/f2fs/file.c:974
notify_change+0xc6d/0xf50 fs/attr.c:505
do_truncate+0x21c/0x300 fs/open.c:65
handle_truncate fs/namei.c:3265 [inline]
do_open fs/namei.c:3612 [inline]
path_openat+0x28a3/0x2f20 fs/namei.c:3742
do_filp_open+0x21c/0x460 fs/namei.c:3769
do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
do_sys_open fs/open.c:1269 [inline]
__do_sys_creat fs/open.c:1345 [inline]
__se_sys_creat fs/open.c:1339 [inline]
__x64_sys_creat+0x11f/0x160 fs/open.c:1339
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4f8c04bd29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4f89ebc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f4f8c23bfa0 RCX: 00007f4f8c04bd29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f4f8c0c7b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4f8c23bfa0 R15: 00007fff1f9d9368
</TASK>
Modules linked in:
---[ end trace 521da77abc80c21c ]---
RIP: 0010:__locate_dirty_segment+0xb53/0xb60 fs/f2fs/segment.c:835
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 2a fd ff ff 4c 89 e7 e8 0e 6f 1a fe e9 1d fd ff ff e8 f4 92 d0 fd 0f 0b e8 ed 92 d0 fd <0f> 0b e8 e6 92 d0 fd 0f 0b 0f 1f 40 00 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc9000327f1f0 EFLAGS: 00010283
RAX: ffffffff83aff1f3 RBX: ffff88805fec54f0 RCX: 0000000000080000
RDX: ffffc90005681000 RSI: 0000000000020bd5 RDI: 0000000000020bd6
RBP: 0000000000000000 R08: ffffffff83afec3f R09: ffffed102833bdaf
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078ddba10
R13: 1ffff1100fa1d02d R14: 0000000000000002 R15: ffff88807d0e8168
FS: 00007f4f89ebc6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000001fb99000 CR4: 00000000003526f0
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 report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
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
syzbot found the following issue on:
HEAD commit: 91786f140358 Linux 5.15.175
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1555f5c4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=1fc30776feb70ea7
dashboard link: https://syzkaller.appspot.com/bug?extid=e0e7acee474d9914d580
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/210b1e4b59b1/disk-91786f14.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1cf8391059a0/vmlinux-91786f14.xz
kernel image: https://storage.googleapis.com/syzbot-assets/1d9077a44b1c/bzImage-91786f14.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e0e7ac...@syzkaller.appspotmail.com
F2FS-fs (loop1): Found nat_bits in checkpoint
F2FS-fs (loop1): Start checkpoint disabled!
F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
------------[ cut here ]------------
kernel BUG at fs/f2fs/segment.c:836!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4345 Comm: syz.1.30 Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__locate_dirty_segment+0xb53/0xb60 fs/f2fs/segment.c:835
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 2a fd ff ff 4c 89 e7 e8 0e 6f 1a fe e9 1d fd ff ff e8 f4 92 d0 fd 0f 0b e8 ed 92 d0 fd <0f> 0b e8 e6 92 d0 fd 0f 0b 0f 1f 40 00 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc9000327f1f0 EFLAGS: 00010283
RAX: ffffffff83aff1f3 RBX: ffff88805fec54f0 RCX: 0000000000080000
RDX: ffffc90005681000 RSI: 0000000000020bd5 RDI: 0000000000020bd6
RBP: 0000000000000000 R08: ffffffff83afec3f R09: ffffed102833bdaf
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078ddba10
R13: 1ffff1100fa1d02d R14: 0000000000000002 R15: ffff88807d0e8168
FS: 00007f4f89ebc6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000001fb99000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
locate_dirty_segment+0x43f/0x5a0 fs/f2fs/segment.c:908
f2fs_invalidate_blocks+0x2b2/0x3a0 fs/f2fs/segment.c:2382
f2fs_truncate_data_blocks_range+0x79c/0xfe0 fs/f2fs/file.c:605
truncate_dnode fs/f2fs/node.c:943 [inline]
f2fs_truncate_inode_blocks+0xa3a/0x10d0 fs/f2fs/node.c:1155
f2fs_do_truncate_blocks+0x52e/0x9c0 fs/f2fs/file.c:723
f2fs_truncate_blocks+0x109/0x2f0 fs/f2fs/file.c:751
f2fs_truncate+0x3c2/0x740 fs/f2fs/file.c:803
f2fs_setattr+0xae3/0x11d0 fs/f2fs/file.c:974
notify_change+0xc6d/0xf50 fs/attr.c:505
do_truncate+0x21c/0x300 fs/open.c:65
handle_truncate fs/namei.c:3265 [inline]
do_open fs/namei.c:3612 [inline]
path_openat+0x28a3/0x2f20 fs/namei.c:3742
do_filp_open+0x21c/0x460 fs/namei.c:3769
do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
do_sys_open fs/open.c:1269 [inline]
__do_sys_creat fs/open.c:1345 [inline]
__se_sys_creat fs/open.c:1339 [inline]
__x64_sys_creat+0x11f/0x160 fs/open.c:1339
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4f8c04bd29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4f89ebc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f4f8c23bfa0 RCX: 00007f4f8c04bd29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f4f8c0c7b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4f8c23bfa0 R15: 00007fff1f9d9368
</TASK>
Modules linked in:
---[ end trace 521da77abc80c21c ]---
RIP: 0010:__locate_dirty_segment+0xb53/0xb60 fs/f2fs/segment.c:835
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 2a fd ff ff 4c 89 e7 e8 0e 6f 1a fe e9 1d fd ff ff e8 f4 92 d0 fd 0f 0b e8 ed 92 d0 fd <0f> 0b e8 e6 92 d0 fd 0f 0b 0f 1f 40 00 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc9000327f1f0 EFLAGS: 00010283
RAX: ffffffff83aff1f3 RBX: ffff88805fec54f0 RCX: 0000000000080000
RDX: ffffc90005681000 RSI: 0000000000020bd5 RDI: 0000000000020bd6
RBP: 0000000000000000 R08: ffffffff83afec3f R09: ffffed102833bdaf
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078ddba10
R13: 1ffff1100fa1d02d R14: 0000000000000002 R15: ffff88807d0e8168
FS: 00007f4f89ebc6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000001fb99000 CR4: 00000000003526f0
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 report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
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
syzbot
Jan 7, 2025, 3:01:28 PM1/7/25
to syzkaller...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: 91786f140358 Linux 5.15.175
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=110c3edf980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15e564b0580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/210b1e4b59b1/disk-91786f14.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1cf8391059a0/vmlinux-91786f14.xz
kernel image: https://storage.googleapis.com/syzbot-assets/1d9077a44b1c/bzImage-91786f14.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/c0e8205d2332/mount_1.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e0e7ac...@syzkaller.appspotmail.com
F2FS-fs (loop0): invalid crc value
F2FS-fs (loop0): Found nat_bits in checkpoint
F2FS-fs (loop0): Start checkpoint disabled!
F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
RAX: ffffffff83aff1f3 RBX: ffff888079f72cf0 RCX: ffff888029808000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83afec3f R09: ffffed1004ac42d8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888075bce110
R13: 1ffff1100efc902d R14: 0000000000000002 R15: ffff888077e48168
FS: 0000555581935380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
RIP: 0033:0x7f3cbf6bf739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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:00007ffc5597e7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007ffc5597e9b8 RCX: 00007f3cbf6bf739
RDX: 00007f3cbf6bf739 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f3cbf752610 R08: 00007ffc5597e9b8 R09: 00007ffc5597e9b8
R10: 00007ffc5597e9b8 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc5597e9a8 R14: 0000000000000001 R15: 0000000000000001
</TASK>
Modules linked in:
---[ end trace 7b13541c5745823b ]---
RAX: ffffffff83aff1f3 RBX: ffff888079f72cf0 RCX: ffff888029808000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83afec3f R09: ffffed1004ac42d8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888075bce110
R13: 1ffff1100efc902d R14: 0000000000000002 R15: ffff888077e48168
FS: 0000555581935380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
HEAD commit: 91786f140358 Linux 5.15.175
git tree: linux-5.15.y
kernel config: https://syzkaller.appspot.com/x/.config?x=1fc30776feb70ea7
dashboard link: https://syzkaller.appspot.com/bug?extid=e0e7acee474d9914d580
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=1457f6f8580000
dashboard link: https://syzkaller.appspot.com/bug?extid=e0e7acee474d9914d580
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15e564b0580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/210b1e4b59b1/disk-91786f14.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1cf8391059a0/vmlinux-91786f14.xz
kernel image: https://storage.googleapis.com/syzbot-assets/1d9077a44b1c/bzImage-91786f14.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e0e7ac...@syzkaller.appspotmail.com
F2FS-fs (loop0): Found nat_bits in checkpoint
F2FS-fs (loop0): Start checkpoint disabled!
F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
------------[ cut here ]------------
kernel BUG at fs/f2fs/segment.c:836!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4162 Comm: syz-executor490 Not tainted 5.15.175-syzkaller #0
kernel BUG at fs/f2fs/segment.c:836!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__locate_dirty_segment+0xb53/0xb60 fs/f2fs/segment.c:835
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 2a fd ff ff 4c 89 e7 e8 0e 6f 1a fe e9 1d fd ff ff e8 f4 92 d0 fd 0f 0b e8 ed 92 d0 fd <0f> 0b e8 e6 92 d0 fd 0f 0b 0f 1f 40 00 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc900023371f0 EFLAGS: 00010293
RIP: 0010:__locate_dirty_segment+0xb53/0xb60 fs/f2fs/segment.c:835
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 2a fd ff ff 4c 89 e7 e8 0e 6f 1a fe e9 1d fd ff ff e8 f4 92 d0 fd 0f 0b e8 ed 92 d0 fd <0f> 0b e8 e6 92 d0 fd 0f 0b 0f 1f 40 00 55 41 57 41 56 41 55 41 54
RAX: ffffffff83aff1f3 RBX: ffff888079f72cf0 RCX: ffff888029808000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83afec3f R09: ffffed1004ac42d8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888075bce110
R13: 1ffff1100efc902d R14: 0000000000000002 R15: ffff888077e48168
FS: 0000555581935380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558a49a3c470 CR3: 0000000074868000 CR4: 00000000003506f0
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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:00007ffc5597e7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007ffc5597e9b8 RCX: 00007f3cbf6bf739
RDX: 00007f3cbf6bf739 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f3cbf752610 R08: 00007ffc5597e9b8 R09: 00007ffc5597e9b8
R10: 00007ffc5597e9b8 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc5597e9a8 R14: 0000000000000001 R15: 0000000000000001
</TASK>
Modules linked in:
---[ end trace 7b13541c5745823b ]---
RIP: 0010:__locate_dirty_segment+0xb53/0xb60 fs/f2fs/segment.c:835
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 2a fd ff ff 4c 89 e7 e8 0e 6f 1a fe e9 1d fd ff ff e8 f4 92 d0 fd 0f 0b e8 ed 92 d0 fd <0f> 0b e8 e6 92 d0 fd 0f 0b 0f 1f 40 00 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc900023371f0 EFLAGS: 00010293
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 2a fd ff ff 4c 89 e7 e8 0e 6f 1a fe e9 1d fd ff ff e8 f4 92 d0 fd 0f 0b e8 ed 92 d0 fd <0f> 0b e8 e6 92 d0 fd 0f 0b 0f 1f 40 00 55 41 57 41 56 41 55 41 54
RAX: ffffffff83aff1f3 RBX: ffff888079f72cf0 RCX: ffff888029808000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83afec3f R09: ffffed1004ac42d8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888075bce110
R13: 1ffff1100efc902d R14: 0000000000000002 R15: ffff888077e48168
FS: 0000555581935380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558a49a3c470 CR3: 0000000074868000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
If you want syzbot to run the reproducer, reply with:
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
syzbot
Jan 7, 2025, 9:25:33 PM1/7/25
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 7dc732d24ff7 Linux 6.1.123
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1551e4b0580000
kernel config: https://syzkaller.appspot.com/x/.config?x=b700290711767e0c
dashboard link: https://syzkaller.appspot.com/bug?extid=e6004fe17169c1b9fd40
disk image: https://storage.googleapis.com/syzbot-assets/7ad136b42edb/disk-7dc732d2.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/859a37ce3517/vmlinux-7dc732d2.xz
kernel image: https://storage.googleapis.com/syzbot-assets/6d506d0fa6c0/bzImage-7dc732d2.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e6004f...@syzkaller.appspotmail.com
------------[ cut here ]------------
kernel BUG at fs/f2fs/segment.c:757!
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 0f fd ff ff 48 89 df e8 10 ea 04 fe e9 02 fd ff ff e8 06 56 ad fd 0f 0b e8 ff 55 ad fd <0f> 0b e8 f8 55 ad fd 0f 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55
RSP: 0018:ffffc9000364f1f8 EFLAGS: 00010283
RAX: ffffffff83dd4601 RBX: ffff8880562f7cf0 RCX: 0000000000080000
RDX: ffffc9000e1d1000 RSI: 000000000001c3c3 RDI: 000000000001c3c4
RBP: 0000000000000000 R08: ffffffff83dd4002 R09: ffffed1006159114
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880749f6810
R13: 1ffff110033cf82d R14: 0000000000000004 R15: ffff888019e7c168
FS: 00007fc53e2116c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
f2fs_invalidate_blocks+0x2b2/0x3a0 fs/f2fs/segment.c:2304
f2fs_truncate_data_blocks_range+0x5f6/0xe50 fs/f2fs/file.c:641
truncate_dnode fs/f2fs/node.c:950 [inline]
f2fs_truncate_inode_blocks+0x899/0xe50 fs/f2fs/node.c:1162
f2fs_do_truncate_blocks+0x605/0xd50 fs/f2fs/file.c:759
f2fs_truncate_blocks+0x109/0x2f0 fs/f2fs/file.c:787
f2fs_truncate+0x3de/0x7d0 fs/f2fs/file.c:839
f2fs_setattr+0xc34/0x1260 fs/f2fs/file.c:1057
notify_change+0xce3/0xfc0 fs/attr.c:499
do_truncate+0x21c/0x300 fs/open.c:65
handle_truncate fs/namei.c:3285 [inline]
do_open fs/namei.c:3630 [inline]
path_openat+0x27e2/0x2e60 fs/namei.c:3783
do_filp_open+0x230/0x480 fs/namei.c:3810
do_sys_openat2+0x13b/0x4f0 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_creat fs/open.c:1412 [inline]
__se_sys_creat fs/open.c:1406 [inline]
__x64_sys_creat+0x11f/0x160 fs/open.c:1406
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc53d385d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc53e211038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fc53d575fa0 RCX: 00007fc53d385d29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007fc53d401b08 R08: 0000000000000000 R09: 0000000000000000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__locate_dirty_segment+0xba1/0xbb0 fs/f2fs/segment.c:756
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 0f fd ff ff 48 89 df e8 10 ea 04 fe e9 02 fd ff ff e8 06 56 ad fd 0f 0b e8 ff 55 ad fd <0f> 0b e8 f8 55 ad fd 0f 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55
RSP: 0018:ffffc9000364f1f8 EFLAGS: 00010283
RAX: ffffffff83dd4601 RBX: ffff8880562f7cf0 RCX: 0000000000080000
RDX: ffffc9000e1d1000 RSI: 000000000001c3c3 RDI: 000000000001c3c4
RBP: 0000000000000000 R08: ffffffff83dd4002 R09: ffffed1006159114
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880749f6810
R13: 1ffff110033cf82d R14: 0000000000000004 R15: ffff888019e7c168
FS: 00007fc53e2116c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
syzbot found the following issue on:
HEAD commit: 7dc732d24ff7 Linux 6.1.123
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1551e4b0580000
kernel config: https://syzkaller.appspot.com/x/.config?x=b700290711767e0c
dashboard link: https://syzkaller.appspot.com/bug?extid=e6004fe17169c1b9fd40
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/7ad136b42edb/disk-7dc732d2.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/859a37ce3517/vmlinux-7dc732d2.xz
kernel image: https://storage.googleapis.com/syzbot-assets/6d506d0fa6c0/bzImage-7dc732d2.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
------------[ cut here ]------------
kernel BUG at fs/f2fs/segment.c:757!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4876 Comm: syz.4.149 Not tainted 6.1.123-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__locate_dirty_segment+0xba1/0xbb0 fs/f2fs/segment.c:756
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 0f fd ff ff 48 89 df e8 10 ea 04 fe e9 02 fd ff ff e8 06 56 ad fd 0f 0b e8 ff 55 ad fd <0f> 0b e8 f8 55 ad fd 0f 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55
RSP: 0018:ffffc9000364f1f8 EFLAGS: 00010283
RAX: ffffffff83dd4601 RBX: ffff8880562f7cf0 RCX: 0000000000080000
RDX: ffffc9000e1d1000 RSI: 000000000001c3c3 RDI: 000000000001c3c4
RBP: 0000000000000000 R08: ffffffff83dd4002 R09: ffffed1006159114
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880749f6810
R13: 1ffff110033cf82d R14: 0000000000000004 R15: ffff888019e7c168
FS: 00007fc53e2116c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557301885000 CR3: 000000007e2b4000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
locate_dirty_segment+0x43f/0x5a0 fs/f2fs/segment.c:829
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
f2fs_invalidate_blocks+0x2b2/0x3a0 fs/f2fs/segment.c:2304
f2fs_truncate_data_blocks_range+0x5f6/0xe50 fs/f2fs/file.c:641
truncate_dnode fs/f2fs/node.c:950 [inline]
f2fs_truncate_inode_blocks+0x899/0xe50 fs/f2fs/node.c:1162
f2fs_do_truncate_blocks+0x605/0xd50 fs/f2fs/file.c:759
f2fs_truncate_blocks+0x109/0x2f0 fs/f2fs/file.c:787
f2fs_truncate+0x3de/0x7d0 fs/f2fs/file.c:839
f2fs_setattr+0xc34/0x1260 fs/f2fs/file.c:1057
notify_change+0xce3/0xfc0 fs/attr.c:499
do_truncate+0x21c/0x300 fs/open.c:65
handle_truncate fs/namei.c:3285 [inline]
do_open fs/namei.c:3630 [inline]
path_openat+0x27e2/0x2e60 fs/namei.c:3783
do_filp_open+0x230/0x480 fs/namei.c:3810
do_sys_openat2+0x13b/0x4f0 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_creat fs/open.c:1412 [inline]
__se_sys_creat fs/open.c:1406 [inline]
__x64_sys_creat+0x11f/0x160 fs/open.c:1406
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc53d385d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc53e211038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fc53d575fa0 RCX: 00007fc53d385d29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007fc53d401b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc53d575fa0 R15: 00007ffdd6ae8988
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__locate_dirty_segment+0xba1/0xbb0 fs/f2fs/segment.c:756
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 0f fd ff ff 48 89 df e8 10 ea 04 fe e9 02 fd ff ff e8 06 56 ad fd 0f 0b e8 ff 55 ad fd <0f> 0b e8 f8 55 ad fd 0f 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55
RSP: 0018:ffffc9000364f1f8 EFLAGS: 00010283
RAX: ffffffff83dd4601 RBX: ffff8880562f7cf0 RCX: 0000000000080000
RDX: ffffc9000e1d1000 RSI: 000000000001c3c3 RDI: 000000000001c3c4
RBP: 0000000000000000 R08: ffffffff83dd4002 R09: ffffed1006159114
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880749f6810
R13: 1ffff110033cf82d R14: 0000000000000004 R15: ffff888019e7c168
FS: 00007fc53e2116c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557301885000 CR3: 000000007e2b4000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
syzbot
Jan 7, 2025, 10:03:27 PM1/7/25
to syzkaller...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: 7dc732d24ff7 Linux 6.1.123
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=130d0dc4580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1545e4b0580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/7ad136b42edb/disk-7dc732d2.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/859a37ce3517/vmlinux-7dc732d2.xz
kernel image: https://storage.googleapis.com/syzbot-assets/6d506d0fa6c0/bzImage-7dc732d2.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/7b239479446f/mount_2.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e6004f...@syzkaller.appspotmail.com
RAX: ffffffff83dd4601 RBX: ffff88807e6630f0 RCX: ffff888027cf0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83dd4002 R09: ffffed1005e05a6a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880247dcc10
R13: 1ffff1100ee0882d R14: 0000000000000004 R15: ffff888077044168
FS: 000055558d36a380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
RIP: 0033:0x7f7de6dee739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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:00007ffd5562d118 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007ffd5562d2e8 RCX: 00007f7de6dee739
RDX: 00007f7de6dee739 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f7de6e81610 R08: 00007ffd5562d2e8 R09: 00007ffd5562d2e8
R10: 00007ffd5562d2e8 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd5562d2d8 R14: 0000000000000001 R15: 0000000000000001
RAX: ffffffff83dd4601 RBX: ffff88807e6630f0 RCX: ffff888027cf0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83dd4002 R09: ffffed1005e05a6a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880247dcc10
R13: 1ffff1100ee0882d R14: 0000000000000004 R15: ffff888077044168
FS: 000055558d36a380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
HEAD commit: 7dc732d24ff7 Linux 6.1.123
git tree: linux-6.1.y
kernel config: https://syzkaller.appspot.com/x/.config?x=b700290711767e0c
dashboard link: https://syzkaller.appspot.com/bug?extid=e6004fe17169c1b9fd40
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=134d0ef8580000
dashboard link: https://syzkaller.appspot.com/bug?extid=e6004fe17169c1b9fd40
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1545e4b0580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/7ad136b42edb/disk-7dc732d2.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/859a37ce3517/vmlinux-7dc732d2.xz
kernel image: https://storage.googleapis.com/syzbot-assets/6d506d0fa6c0/bzImage-7dc732d2.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e6004f...@syzkaller.appspotmail.com
F2FS-fs (loop0): invalid crc value
F2FS-fs (loop0): Found nat_bits in checkpoint
F2FS-fs (loop0): Start checkpoint disabled!
F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
F2FS-fs (loop0): Found nat_bits in checkpoint
F2FS-fs (loop0): Start checkpoint disabled!
F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
------------[ cut here ]------------
kernel BUG at fs/f2fs/segment.c:757!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4240 Comm: syz-executor525 Not tainted 6.1.123-syzkaller #0
kernel BUG at fs/f2fs/segment.c:757!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__locate_dirty_segment+0xba1/0xbb0 fs/f2fs/segment.c:756
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 0f fd ff ff 48 89 df e8 10 ea 04 fe e9 02 fd ff ff e8 06 56 ad fd 0f 0b e8 ff 55 ad fd <0f> 0b e8 f8 55 ad fd 0f 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55
RSP: 0018:ffffc90003bf71f8 EFLAGS: 00010293
RIP: 0010:__locate_dirty_segment+0xba1/0xbb0 fs/f2fs/segment.c:756
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 0f fd ff ff 48 89 df e8 10 ea 04 fe e9 02 fd ff ff e8 06 56 ad fd 0f 0b e8 ff 55 ad fd <0f> 0b e8 f8 55 ad fd 0f 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55
RAX: ffffffff83dd4601 RBX: ffff88807e6630f0 RCX: ffff888027cf0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83dd4002 R09: ffffed1005e05a6a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880247dcc10
R13: 1ffff1100ee0882d R14: 0000000000000004 R15: ffff888077044168
FS: 000055558d36a380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7de69b0000 CR3: 0000000075b51000 CR4: 00000000003506f0
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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:00007ffd5562d118 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007ffd5562d2e8 RCX: 00007f7de6dee739
RDX: 00007f7de6dee739 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f7de6e81610 R08: 00007ffd5562d2e8 R09: 00007ffd5562d2e8
R10: 00007ffd5562d2e8 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd5562d2d8 R14: 0000000000000001 R15: 0000000000000001
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__locate_dirty_segment+0xba1/0xbb0 fs/f2fs/segment.c:756
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 0f fd ff ff 48 89 df e8 10 ea 04 fe e9 02 fd ff ff e8 06 56 ad fd 0f 0b e8 ff 55 ad fd <0f> 0b e8 f8 55 ad fd 0f 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55
RSP: 0018:ffffc90003bf71f8 EFLAGS: 00010293
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__locate_dirty_segment+0xba1/0xbb0 fs/f2fs/segment.c:756
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 0f fd ff ff 48 89 df e8 10 ea 04 fe e9 02 fd ff ff e8 06 56 ad fd 0f 0b e8 ff 55 ad fd <0f> 0b e8 f8 55 ad fd 0f 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55
RAX: ffffffff83dd4601 RBX: ffff88807e6630f0 RCX: ffff888027cf0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83dd4002 R09: ffffed1005e05a6a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880247dcc10
R13: 1ffff1100ee0882d R14: 0000000000000004 R15: ffff888077044168
FS: 000055558d36a380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7de69b0000 CR3: 0000000075b51000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
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