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* [syzbot] [ocfs2?] kernel BUG in ocfs2_truncate_log_append
@ 2024-11-06 17:37 syzbot
  2024-12-30  2:25 ` Glass Su
  0 siblings, 1 reply; 7+ messages in thread
From: syzbot @ 2024-11-06 17:37 UTC (permalink / raw)
  To: jlbec, joseph.qi, linux-kernel, mark, ocfs2-devel, syzkaller-bugs

Hello,

syzbot found the following issue on:

HEAD commit:    11066801dd4b Merge tag 'linux_kselftest-fixes-6.12-rc6' of..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=161ed630580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=672325e7ab17fdf7
dashboard link: https://syzkaller.appspot.com/bug?extid=a66542ca5ebb4233b563
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=10c0f55f980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12482b40580000

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-11066801.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/b062b193560b/vmlinux-11066801.xz
kernel image: https://storage.googleapis.com/syzbot-assets/5b6da4ee7c42/bzImage-11066801.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/3a77709f2405/mount_0.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a66542ca5ebb4233b563@syzkaller.appspotmail.com

(syz-executor404,5313,0):ocfs2_truncate_log_append:5874 ERROR: bug expression: tl_count > ocfs2_truncate_recs_per_inode(osb->sb) || tl_count == 0
(syz-executor404,5313,0):ocfs2_truncate_log_append:5874 ERROR: Truncate record count on #77 invalid wanted 39, actual 2087
------------[ cut here ]------------
kernel BUG at fs/ocfs2/alloc.c:5874!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5313 Comm: syz-executor404 Not tainted 6.12.0-rc5-syzkaller-00299-g11066801dd4b #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_truncate_log_append+0x9a8/0x9c0 fs/ocfs2/alloc.c:5868
Code: bc 24 a0 00 00 00 48 c7 c6 ac ae 12 8e ba f2 16 00 00 48 c7 c1 c0 18 49 8c 4d 89 f0 41 89 d9 50 e8 ad 90 20 00 48 83 c4 08 90 <0f> 0b e8 71 87 11 fe 90 0f 0b e8 69 87 11 fe 90 0f 0b e8 f1 d3 43
RSP: 0018:ffffc9000cf16f40 EFLAGS: 00010292
RAX: b4b54f1d10640800 RBX: 0000000000000027 RCX: b4b54f1d10640800
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000cf17070 R08: ffffffff8174a14c R09: 1ffff11003f8519a
R10: dffffc0000000000 R11: ffffed1003f8519b R12: 1ffff110085f5f58
R13: ffffff3800000000 R14: 000000000000004d R15: ffff8880438f0008
FS:  00005555722df380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000f000 CR3: 000000004010e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_remove_btree_range+0x1303/0x1860 fs/ocfs2/alloc.c:5789
 ocfs2_remove_inode_range+0xff3/0x29f0 fs/ocfs2/file.c:1907
 ocfs2_reflink_remap_extent fs/ocfs2/refcounttree.c:4537 [inline]
 ocfs2_reflink_remap_blocks+0xcd4/0x1f30 fs/ocfs2/refcounttree.c:4684
 ocfs2_remap_file_range+0x5fa/0x8d0 fs/ocfs2/file.c:2736
 vfs_copy_file_range+0xc07/0x1510 fs/read_write.c:1615
 __do_sys_copy_file_range fs/read_write.c:1705 [inline]
 __se_sys_copy_file_range+0x3f2/0x5d0 fs/read_write.c:1668
 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: 0033:0x7fd327167af9
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:00007ffe6b8e22e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007fd3271b005e RCX: 00007fd327167af9
RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fd3271de610 R08: 000000000000d8c2 R09: 0000000000000000
R10: 0000000020000640 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe6b8e24b8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_truncate_log_append+0x9a8/0x9c0 fs/ocfs2/alloc.c:5868
Code: bc 24 a0 00 00 00 48 c7 c6 ac ae 12 8e ba f2 16 00 00 48 c7 c1 c0 18 49 8c 4d 89 f0 41 89 d9 50 e8 ad 90 20 00 48 83 c4 08 90 <0f> 0b e8 71 87 11 fe 90 0f 0b e8 69 87 11 fe 90 0f 0b e8 f1 d3 43
RSP: 0018:ffffc9000cf16f40 EFLAGS: 00010292
RAX: b4b54f1d10640800 RBX: 0000000000000027 RCX: b4b54f1d10640800
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000cf17070 R08: ffffffff8174a14c R09: 1ffff11003f8519a
R10: dffffc0000000000 R11: ffffed1003f8519b R12: 1ffff110085f5f58
R13: ffffff3800000000 R14: 000000000000004d R15: ffff8880438f0008
FS:  00005555722df380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000f000 CR3: 000000004010e000 CR4: 0000000000352ef0
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 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

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_truncate_log_append
  2024-11-06 17:37 [syzbot] [ocfs2?] kernel BUG in ocfs2_truncate_log_append syzbot
@ 2024-12-30  2:25 ` Glass Su
  2024-12-30  2:40   ` syzbot
  0 siblings, 1 reply; 7+ messages in thread
From: Glass Su @ 2024-12-30  2:25 UTC (permalink / raw)
  To: syzbot; +Cc: jlbec, Joseph Qi, linux-kernel, mark, ocfs2-devel, syzkaller-bugs



> On Nov 7, 2024, at 01:37, syzbot <syzbot+a66542ca5ebb4233b563@syzkaller.appspotmail.com> wrote:
> 
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    11066801dd4b Merge tag 'linux_kselftest-fixes-6.12-rc6' of..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=161ed630580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=672325e7ab17fdf7
> dashboard link: https://syzkaller.appspot.com/bug?extid=a66542ca5ebb4233b563
> 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=10c0f55f980000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12482b40580000

I can still repro the BUG_ON in my test box.

#syz test

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 395e23920632..cef3d5562e21 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -6154,6 +6154,9 @@ static int ocfs2_get_truncate_log_info(struct ocfs2_super *osb,
        int status;
        struct inode *inode = NULL;
        struct buffer_head *bh = NULL;
+       struct ocfs2_dinode *di;
+       struct ocfs2_truncate_log *tl;
+       unsigned int tl_count;

        inode = ocfs2_get_system_file_inode(osb,
                                           TRUNCATE_LOG_SYSTEM_INODE,
@@ -6171,6 +6174,18 @@ static int ocfs2_get_truncate_log_info(struct ocfs2_super *osb,
                goto bail;
        }

+       di = (struct ocfs2_dinode *)bh->b_data;
+       tl = &di->id2.i_dealloc;
+       tl_count = le16_to_cpu(tl->tl_count);
+
+       if (unlikely(tl_count > ocfs2_truncate_recs_per_inode(osb->sb) ||
+           tl_count == 0)) {
+               status = -EFSCORRUPTED;
+               iput(inode);
+               mlog_errno(status);
+               goto bail;
+       }
+
        *tl_inode = inode;
        *tl_bh    = bh;
 bail:
> 
> Downloadable assets:
> disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-11066801.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/b062b193560b/vmlinux-11066801.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/5b6da4ee7c42/bzImage-11066801.xz
> mounted in repro: https://storage.googleapis.com/syzbot-assets/3a77709f2405/mount_0.gz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+a66542ca5ebb4233b563@syzkaller.appspotmail.com
> 
> (syz-executor404,5313,0):ocfs2_truncate_log_append:5874 ERROR: bug expression: tl_count > ocfs2_truncate_recs_per_inode(osb->sb) || tl_count == 0
> (syz-executor404,5313,0):ocfs2_truncate_log_append:5874 ERROR: Truncate record count on #77 invalid wanted 39, actual 2087
> ------------[ cut here ]------------
> kernel BUG at fs/ocfs2/alloc.c:5874!
> Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
> CPU: 0 UID: 0 PID: 5313 Comm: syz-executor404 Not tainted 6.12.0-rc5-syzkaller-00299-g11066801dd4b #0
> Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
> RIP: 0010:ocfs2_truncate_log_append+0x9a8/0x9c0 fs/ocfs2/alloc.c:5868
> Code: bc 24 a0 00 00 00 48 c7 c6 ac ae 12 8e ba f2 16 00 00 48 c7 c1 c0 18 49 8c 4d 89 f0 41 89 d9 50 e8 ad 90 20 00 48 83 c4 08 90 <0f> 0b e8 71 87 11 fe 90 0f 0b e8 69 87 11 fe 90 0f 0b e8 f1 d3 43
> RSP: 0018:ffffc9000cf16f40 EFLAGS: 00010292
> RAX: b4b54f1d10640800 RBX: 0000000000000027 RCX: b4b54f1d10640800
> RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
> RBP: ffffc9000cf17070 R08: ffffffff8174a14c R09: 1ffff11003f8519a
> R10: dffffc0000000000 R11: ffffed1003f8519b R12: 1ffff110085f5f58
> R13: ffffff3800000000 R14: 000000000000004d R15: ffff8880438f0008
> FS:  00005555722df380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 000000002000f000 CR3: 000000004010e000 CR4: 0000000000352ef0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> Call Trace:
> <TASK>
> ocfs2_remove_btree_range+0x1303/0x1860 fs/ocfs2/alloc.c:5789
> ocfs2_remove_inode_range+0xff3/0x29f0 fs/ocfs2/file.c:1907
> ocfs2_reflink_remap_extent fs/ocfs2/refcounttree.c:4537 [inline]
> ocfs2_reflink_remap_blocks+0xcd4/0x1f30 fs/ocfs2/refcounttree.c:4684
> ocfs2_remap_file_range+0x5fa/0x8d0 fs/ocfs2/file.c:2736
> vfs_copy_file_range+0xc07/0x1510 fs/read_write.c:1615
> __do_sys_copy_file_range fs/read_write.c:1705 [inline]
> __se_sys_copy_file_range+0x3f2/0x5d0 fs/read_write.c:1668
> 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: 0033:0x7fd327167af9
> 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:00007ffe6b8e22e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
> RAX: ffffffffffffffda RBX: 00007fd3271b005e RCX: 00007fd327167af9
> RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004
> RBP: 00007fd3271de610 R08: 000000000000d8c2 R09: 0000000000000000
> R10: 0000000020000640 R11: 0000000000000246 R12: 0000000000000001
> R13: 00007ffe6b8e24b8 R14: 0000000000000001 R15: 0000000000000001
> </TASK>
> Modules linked in:
> ---[ end trace 0000000000000000 ]---
> RIP: 0010:ocfs2_truncate_log_append+0x9a8/0x9c0 fs/ocfs2/alloc.c:5868
> Code: bc 24 a0 00 00 00 48 c7 c6 ac ae 12 8e ba f2 16 00 00 48 c7 c1 c0 18 49 8c 4d 89 f0 41 89 d9 50 e8 ad 90 20 00 48 83 c4 08 90 <0f> 0b e8 71 87 11 fe 90 0f 0b e8 69 87 11 fe 90 0f 0b e8 f1 d3 43
> RSP: 0018:ffffc9000cf16f40 EFLAGS: 00010292
> RAX: b4b54f1d10640800 RBX: 0000000000000027 RCX: b4b54f1d10640800
> RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
> RBP: ffffc9000cf17070 R08: ffffffff8174a14c R09: 1ffff11003f8519a
> R10: dffffc0000000000 R11: ffffed1003f8519b R12: 1ffff110085f5f58
> R13: ffffff3800000000 R14: 000000000000004d R15: ffff8880438f0008
> FS:  00005555722df380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 000000002000f000 CR3: 000000004010e000 CR4: 0000000000352ef0
> 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 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
> 


^ permalink raw reply related	[flat|nested] 7+ messages in thread

* Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_truncate_log_append
  2024-12-30  2:25 ` Glass Su
@ 2024-12-30  2:40   ` syzbot
  2025-01-06  6:10     ` Glass Su
  0 siblings, 1 reply; 7+ messages in thread
From: syzbot @ 2024-12-30  2:40 UTC (permalink / raw)
  To: glass.su, jlbec, joseph.qi, linux-kernel, mark, ocfs2-devel,
	syzkaller-bugs

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
kernel BUG in ocfs2_truncate_log_append

(syz.0.15,5809,0):ocfs2_truncate_log_append:5874 ERROR: bug expression: tl_count > ocfs2_truncate_recs_per_inode(osb->sb) || tl_count == 0
(syz.0.15,5809,0):ocfs2_truncate_log_append:5874 ERROR: Truncate record count on #77 invalid wanted 39, actual 2087
------------[ cut here ]------------
kernel BUG at fs/ocfs2/alloc.c:5874!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5809 Comm: syz.0.15 Not tainted 6.13.0-rc5-syzkaller-gfc033cf25e61-dirty #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_truncate_log_append+0x9a8/0x9c0 fs/ocfs2/alloc.c:5868
Code: bc 24 a0 00 00 00 48 c7 c6 dd 83 0d 8e ba f2 16 00 00 48 c7 c1 40 4a 47 8c 4d 89 f0 41 89 d9 50 e8 6d 7d 20 00 48 83 c4 08 90 <0f> 0b e8 11 bf 21 fe 90 0f 0b e8 09 bf 21 fe 90 0f 0b e8 c1 24 40
RSP: 0018:ffffc900027def60 EFLAGS: 00010296
RAX: d6f52f3429698400 RBX: 0000000000000027 RCX: d6f52f3429698400
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900027df090 R08: ffffffff817f0a3c R09: 1ffff11003f8519a
R10: dffffc0000000000 R11: ffffed1003f8519b R12: 1ffff11009d5dd58
R13: ffffff3800000000 R14: 000000000000004d R15: ffff88801227c008
FS:  00007f02de6956c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000f000 CR3: 00000000444da000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_remove_btree_range+0x1303/0x1860 fs/ocfs2/alloc.c:5789
 ocfs2_remove_inode_range+0xff3/0x29c0 fs/ocfs2/file.c:1907
 ocfs2_reflink_remap_extent fs/ocfs2/refcounttree.c:4537 [inline]
 ocfs2_reflink_remap_blocks+0xcd4/0x1f30 fs/ocfs2/refcounttree.c:4684
 ocfs2_remap_file_range+0x5fa/0x8d0 fs/ocfs2/file.c:2740
 vfs_copy_file_range+0xc07/0x1510 fs/read_write.c:1584
 __do_sys_copy_file_range fs/read_write.c:1670 [inline]
 __se_sys_copy_file_range+0x3fa/0x600 fs/read_write.c:1637
 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: 0033:0x7f02dd97e719
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:00007f02de695038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007f02ddb35f80 RCX: 00007f02dd97e719
RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f02dd9f132e R08: 000000000000d8c2 R09: 0000000000000000
R10: 0000000020000640 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f02ddb35f80 R15: 00007ffc7cf04758
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_truncate_log_append+0x9a8/0x9c0 fs/ocfs2/alloc.c:5868
Code: bc 24 a0 00 00 00 48 c7 c6 dd 83 0d 8e ba f2 16 00 00 48 c7 c1 40 4a 47 8c 4d 89 f0 41 89 d9 50 e8 6d 7d 20 00 48 83 c4 08 90 <0f> 0b e8 11 bf 21 fe 90 0f 0b e8 09 bf 21 fe 90 0f 0b e8 c1 24 40
RSP: 0018:ffffc900027def60 EFLAGS: 00010296
RAX: d6f52f3429698400 RBX: 0000000000000027 RCX: d6f52f3429698400
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900027df090 R08: ffffffff817f0a3c R09: 1ffff11003f8519a
R10: dffffc0000000000 R11: ffffed1003f8519b R12: 1ffff11009d5dd58
R13: ffffff3800000000 R14: 000000000000004d R15: ffff88801227c008
FS:  00007f02de6956c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000f000 CR3: 00000000444da000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400


Tested on:

commit:         fc033cf2 Linux 6.13-rc5
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1136aaf8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=f52ce141d88125fd
dashboard link: https://syzkaller.appspot.com/bug?extid=a66542ca5ebb4233b563
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=10ffa818580000


^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_truncate_log_append
  2024-12-30  2:40   ` syzbot
@ 2025-01-06  6:10     ` Glass Su
  2025-01-06  6:25       ` syzbot
  0 siblings, 1 reply; 7+ messages in thread
From: Glass Su @ 2025-01-06  6:10 UTC (permalink / raw)
  To: syzbot; +Cc: jlbec, Joseph Qi, linux-kernel, mark, ocfs2-devel, syzkaller-bugs



> On Dec 30, 2024, at 10:40, syzbot <syzbot+a66542ca5ebb4233b563@syzkaller.appspotmail.com> wrote:
> 
> Hello,
> 
> syzbot has tested the proposed patch but the reproducer is still triggering an issue:
> kernel BUG in ocfs2_truncate_log_append
> 
> (syz.0.15,5809,0):ocfs2_truncate_log_append:5874 ERROR: bug expression: tl_count > ocfs2_truncate_recs_per_inode(osb->sb) || tl_count == 0
> (syz.0.15,5809,0):ocfs2_truncate_log_append:5874 ERROR: Truncate record count on #77 invalid wanted 39, actual 2087
> ------------[ cut here ]------------
> kernel BUG at fs/ocfs2/alloc.c:5874!
> Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
> CPU: 0 UID: 0 PID: 5809 Comm: syz.0.15 Not tainted 6.13.0-rc5-syzkaller-gfc033cf25e61-dirty #0
> Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
> RIP: 0010:ocfs2_truncate_log_append+0x9a8/0x9c0 fs/ocfs2/alloc.c:5868
> Code: bc 24 a0 00 00 00 48 c7 c6 dd 83 0d 8e ba f2 16 00 00 48 c7 c1 40 4a 47 8c 4d 89 f0 41 89 d9 50 e8 6d 7d 20 00 48 83 c4 08 90 <0f> 0b e8 11 bf 21 fe 90 0f 0b e8 09 bf 21 fe 90 0f 0b e8 c1 24 40
> RSP: 0018:ffffc900027def60 EFLAGS: 00010296
> RAX: d6f52f3429698400 RBX: 0000000000000027 RCX: d6f52f3429698400
> RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
> RBP: ffffc900027df090 R08: ffffffff817f0a3c R09: 1ffff11003f8519a
> R10: dffffc0000000000 R11: ffffed1003f8519b R12: 1ffff11009d5dd58
> R13: ffffff3800000000 R14: 000000000000004d R15: ffff88801227c008
> FS:  00007f02de6956c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 000000002000f000 CR3: 00000000444da000 CR4: 0000000000352ef0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> Call Trace:
> <TASK>
> ocfs2_remove_btree_range+0x1303/0x1860 fs/ocfs2/alloc.c:5789
> ocfs2_remove_inode_range+0xff3/0x29c0 fs/ocfs2/file.c:1907
> ocfs2_reflink_remap_extent fs/ocfs2/refcounttree.c:4537 [inline]
> ocfs2_reflink_remap_blocks+0xcd4/0x1f30 fs/ocfs2/refcounttree.c:4684
> ocfs2_remap_file_range+0x5fa/0x8d0 fs/ocfs2/file.c:2740
> vfs_copy_file_range+0xc07/0x1510 fs/read_write.c:1584
> __do_sys_copy_file_range fs/read_write.c:1670 [inline]
> __se_sys_copy_file_range+0x3fa/0x600 fs/read_write.c:1637
> 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: 0033:0x7f02dd97e719
> 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:00007f02de695038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
> RAX: ffffffffffffffda RBX: 00007f02ddb35f80 RCX: 00007f02dd97e719
> RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004
> RBP: 00007f02dd9f132e R08: 000000000000d8c2 R09: 0000000000000000
> R10: 0000000020000640 R11: 0000000000000246 R12: 0000000000000000
> R13: 0000000000000000 R14: 00007f02ddb35f80 R15: 00007ffc7cf04758
> </TASK>
> Modules linked in:
> ---[ end trace 0000000000000000 ]---
> RIP: 0010:ocfs2_truncate_log_append+0x9a8/0x9c0 fs/ocfs2/alloc.c:5868
> Code: bc 24 a0 00 00 00 48 c7 c6 dd 83 0d 8e ba f2 16 00 00 48 c7 c1 40 4a 47 8c 4d 89 f0 41 89 d9 50 e8 6d 7d 20 00 48 83 c4 08 90 <0f> 0b e8 11 bf 21 fe 90 0f 0b e8 09 bf 21 fe 90 0f 0b e8 c1 24 40
> RSP: 0018:ffffc900027def60 EFLAGS: 00010296
> RAX: d6f52f3429698400 RBX: 0000000000000027 RCX: d6f52f3429698400
> RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
> RBP: ffffc900027df090 R08: ffffffff817f0a3c R09: 1ffff11003f8519a
> R10: dffffc0000000000 R11: ffffed1003f8519b R12: 1ffff11009d5dd58
> R13: ffffff3800000000 R14: 000000000000004d R15: ffff88801227c008
> FS:  00007f02de6956c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 000000002000f000 CR3: 00000000444da000 CR4: 0000000000352ef0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> 
> 
> Tested on:
> 
> commit:         fc033cf2 Linux 6.13-rc5
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1136aaf8580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=f52ce141d88125fd
> dashboard link: https://syzkaller.appspot.com/bug?extid=a66542ca5ebb4233b563
> compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> patch:          https://syzkaller.appspot.com/x/patch.diff?x=10ffa818580000
> 

I don’t get why the patch:          https://syzkaller.appspot.com/x/patch.diff?x=10ffa818580000 is wrong.

#syz test: https://github.com/Damenly/linux ocfs2-syz

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_truncate_log_append
  2025-01-06  6:10     ` Glass Su
@ 2025-01-06  6:25       ` syzbot
  2025-01-06  6:34         ` Glass Su
  0 siblings, 1 reply; 7+ messages in thread
From: syzbot @ 2025-01-06  6:25 UTC (permalink / raw)
  To: glass.su, jlbec, joseph.qi, linux-kernel, mark, ocfs2-devel,
	syzkaller-bugs

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
kernel BUG in ocfs2_truncate_log_append

(syz.0.15,5818,0):ocfs2_truncate_log_append:5874 ERROR: bug expression: tl_count > ocfs2_truncate_recs_per_inode(osb->sb) || tl_count == 0
(syz.0.15,5818,0):ocfs2_truncate_log_append:5874 ERROR: Truncate record count on #77 invalid wanted 39, actual 2087
------------[ cut here ]------------
kernel BUG at fs/ocfs2/alloc.c:5874!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5818 Comm: syz.0.15 Not tainted 6.13.0-rc4-syzkaller-g7dace56f464b #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_truncate_log_append+0x9a8/0x9c0 fs/ocfs2/alloc.c:5868
Code: bc 24 a0 00 00 00 48 c7 c6 0f 85 0d 8e ba f2 16 00 00 48 c7 c1 00 4b 47 8c 4d 89 f0 41 89 d9 50 e8 ed 7d 20 00 48 83 c4 08 90 <0f> 0b e8 91 bd 21 fe 90 0f 0b e8 89 bd 21 fe 90 0f 0b e8 e1 22 40
RSP: 0018:ffffc90002a7ef60 EFLAGS: 00010296
RAX: 3de6beb9eda26200 RBX: 0000000000000027 RCX: 3de6beb9eda26200
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90002a7f090 R08: ffffffff817f0a8c R09: 1ffff9200054fd5c
R10: dffffc0000000000 R11: fffff5200054fd5d R12: 1ffff11007e58958
R13: ffffff3800000000 R14: 000000000000004d R15: ffff88804f32c008
FS:  00007f7dae2556c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000f000 CR3: 0000000056b52000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_remove_btree_range+0x1303/0x1860 fs/ocfs2/alloc.c:5789
 ocfs2_remove_inode_range+0xff3/0x29c0 fs/ocfs2/file.c:1907
 ocfs2_reflink_remap_extent fs/ocfs2/refcounttree.c:4537 [inline]
 ocfs2_reflink_remap_blocks+0xcd4/0x1f30 fs/ocfs2/refcounttree.c:4684
 ocfs2_remap_file_range+0x5fa/0x8d0 fs/ocfs2/file.c:2740
 vfs_copy_file_range+0xc07/0x1510 fs/read_write.c:1584
 __do_sys_copy_file_range fs/read_write.c:1670 [inline]
 __se_sys_copy_file_range+0x3fa/0x600 fs/read_write.c:1637
 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: 0033:0x7f7dad37e719
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:00007f7dae255038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007f7dad535f80 RCX: 00007f7dad37e719
RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f7dad3f132e R08: 000000000000d8c2 R09: 0000000000000000
R10: 0000000020000640 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7dad535f80 R15: 00007ffffb564de8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_truncate_log_append+0x9a8/0x9c0 fs/ocfs2/alloc.c:5868
Code: bc 24 a0 00 00 00 48 c7 c6 0f 85 0d 8e ba f2 16 00 00 48 c7 c1 00 4b 47 8c 4d 89 f0 41 89 d9 50 e8 ed 7d 20 00 48 83 c4 08 90 <0f> 0b e8 91 bd 21 fe 90 0f 0b e8 89 bd 21 fe 90 0f 0b e8 e1 22 40
RSP: 0018:ffffc90002a7ef60 EFLAGS: 00010296
RAX: 3de6beb9eda26200 RBX: 0000000000000027 RCX: 3de6beb9eda26200
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90002a7f090 R08: ffffffff817f0a8c R09: 1ffff9200054fd5c
R10: dffffc0000000000 R11: fffff5200054fd5d R12: 1ffff11007e58958
R13: ffffff3800000000 R14: 000000000000004d R15: ffff88804f32c008
FS:  00007f7dae2556c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000f000 CR3: 0000000056b52000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400


Tested on:

commit:         7dace56f ocfs2: check dir i_size in ocfs2_find_entry
git tree:       https://github.com/Damenly/linux ocfs2-syz
console output: https://syzkaller.appspot.com/x/log.txt?x=12b4b9c4580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e5ad6ebf66b1e197
dashboard link: https://syzkaller.appspot.com/bug?extid=a66542ca5ebb4233b563
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_truncate_log_append
  2025-01-06  6:25       ` syzbot
@ 2025-01-06  6:34         ` Glass Su
  2025-01-06  6:55           ` syzbot
  0 siblings, 1 reply; 7+ messages in thread
From: Glass Su @ 2025-01-06  6:34 UTC (permalink / raw)
  To: syzbot; +Cc: jlbec, Joseph Qi, linux-kernel, mark, ocfs2-devel, syzkaller-bugs



> On Jan 6, 2025, at 14:25, syzbot <syzbot+a66542ca5ebb4233b563@syzkaller.appspotmail.com> wrote:
> 
> Hello,
> 
> syzbot has tested the proposed patch but the reproducer is still triggering an issue:
> kernel BUG in ocfs2_truncate_log_append
> 
> (syz.0.15,5818,0):ocfs2_truncate_log_append:5874 ERROR: bug expression: tl_count > ocfs2_truncate_recs_per_inode(osb->sb) || tl_count == 0
> (syz.0.15,5818,0):ocfs2_truncate_log_append:5874 ERROR: Truncate record count on #77 invalid wanted 39, actual 2087
> ------------[ cut here ]------------
> kernel BUG at fs/ocfs2/alloc.c:5874!
> Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
> CPU: 0 UID: 0 PID: 5818 Comm: syz.0.15 Not tainted 6.13.0-rc4-syzkaller-g7dace56f464b #0
> Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
> RIP: 0010:ocfs2_truncate_log_append+0x9a8/0x9c0 fs/ocfs2/alloc.c:5868
> Code: bc 24 a0 00 00 00 48 c7 c6 0f 85 0d 8e ba f2 16 00 00 48 c7 c1 00 4b 47 8c 4d 89 f0 41 89 d9 50 e8 ed 7d 20 00 48 83 c4 08 90 <0f> 0b e8 91 bd 21 fe 90 0f 0b e8 89 bd 21 fe 90 0f 0b e8 e1 22 40
> RSP: 0018:ffffc90002a7ef60 EFLAGS: 00010296
> RAX: 3de6beb9eda26200 RBX: 0000000000000027 RCX: 3de6beb9eda26200
> RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
> RBP: ffffc90002a7f090 R08: ffffffff817f0a8c R09: 1ffff9200054fd5c
> R10: dffffc0000000000 R11: fffff5200054fd5d R12: 1ffff11007e58958
> R13: ffffff3800000000 R14: 000000000000004d R15: ffff88804f32c008
> FS:  00007f7dae2556c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 000000002000f000 CR3: 0000000056b52000 CR4: 0000000000352ef0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> Call Trace:
> <TASK>
> ocfs2_remove_btree_range+0x1303/0x1860 fs/ocfs2/alloc.c:5789
> ocfs2_remove_inode_range+0xff3/0x29c0 fs/ocfs2/file.c:1907
> ocfs2_reflink_remap_extent fs/ocfs2/refcounttree.c:4537 [inline]
> ocfs2_reflink_remap_blocks+0xcd4/0x1f30 fs/ocfs2/refcounttree.c:4684
> ocfs2_remap_file_range+0x5fa/0x8d0 fs/ocfs2/file.c:2740
> vfs_copy_file_range+0xc07/0x1510 fs/read_write.c:1584
> __do_sys_copy_file_range fs/read_write.c:1670 [inline]
> __se_sys_copy_file_range+0x3fa/0x600 fs/read_write.c:1637
> 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: 0033:0x7f7dad37e719
> 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:00007f7dae255038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
> RAX: ffffffffffffffda RBX: 00007f7dad535f80 RCX: 00007f7dad37e719
> RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004
> RBP: 00007f7dad3f132e R08: 000000000000d8c2 R09: 0000000000000000
> R10: 0000000020000640 R11: 0000000000000246 R12: 0000000000000000
> R13: 0000000000000000 R14: 00007f7dad535f80 R15: 00007ffffb564de8
> </TASK>
> Modules linked in:
> ---[ end trace 0000000000000000 ]---
> RIP: 0010:ocfs2_truncate_log_append+0x9a8/0x9c0 fs/ocfs2/alloc.c:5868
> Code: bc 24 a0 00 00 00 48 c7 c6 0f 85 0d 8e ba f2 16 00 00 48 c7 c1 00 4b 47 8c 4d 89 f0 41 89 d9 50 e8 ed 7d 20 00 48 83 c4 08 90 <0f> 0b e8 91 bd 21 fe 90 0f 0b e8 89 bd 21 fe 90 0f 0b e8 e1 22 40
> RSP: 0018:ffffc90002a7ef60 EFLAGS: 00010296
> RAX: 3de6beb9eda26200 RBX: 0000000000000027 RCX: 3de6beb9eda26200
> RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
> RBP: ffffc90002a7f090 R08: ffffffff817f0a8c R09: 1ffff9200054fd5c
> R10: dffffc0000000000 R11: fffff5200054fd5d R12: 1ffff11007e58958
> R13: ffffff3800000000 R14: 000000000000004d R15: ffff88804f32c008
> FS:  00007f7dae2556c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 000000002000f000 CR3: 0000000056b52000 CR4: 0000000000352ef0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> 
> 
> Tested on:
> 
> commit:         7dace56f ocfs2: check dir i_size in ocfs2_find_entry


#syz test: https://github.com/Damenly/linux ocfs2-syz

> git tree:       https://github.com/Damenly/linux ocfs2-syz
> console output: https://syzkaller.appspot.com/x/log.txt?x=12b4b9c4580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=e5ad6ebf66b1e197
> dashboard link: https://syzkaller.appspot.com/bug?extid=a66542ca5ebb4233b563
> compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> 
> Note: no patches were applied.


^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_truncate_log_append
  2025-01-06  6:34         ` Glass Su
@ 2025-01-06  6:55           ` syzbot
  0 siblings, 0 replies; 7+ messages in thread
From: syzbot @ 2025-01-06  6:55 UTC (permalink / raw)
  To: glass.su, jlbec, joseph.qi, linux-kernel, mark, ocfs2-devel,
	syzkaller-bugs

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+a66542ca5ebb4233b563@syzkaller.appspotmail.com
Tested-by: syzbot+a66542ca5ebb4233b563@syzkaller.appspotmail.com

Tested on:

commit:         e957aa27 ocfs2: for syz
git tree:       https://github.com/Damenly/linux ocfs2-syz
console output: https://syzkaller.appspot.com/x/log.txt?x=136544b0580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e5ad6ebf66b1e197
dashboard link: https://syzkaller.appspot.com/bug?extid=a66542ca5ebb4233b563
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.

^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2025-01-06  6:55 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-11-06 17:37 [syzbot] [ocfs2?] kernel BUG in ocfs2_truncate_log_append syzbot
2024-12-30  2:25 ` Glass Su
2024-12-30  2:40   ` syzbot
2025-01-06  6:10     ` Glass Su
2025-01-06  6:25       ` syzbot
2025-01-06  6:34         ` Glass Su
2025-01-06  6:55           ` syzbot

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