Syzbot CI

Subject	fs: Move metadata bh tracking from address_space
Author	jack@suse.cz
Date	2026-03-03 10:33:50 +0000 UTC
Version
Cc	agruenba@redhat.com aivazian.tigran@gmail.com almaz.alexandrovich@paragon-software.com axboe@kernel.dk bcrl@kvack.org brauner@kernel.org david@kernel.org dsterba@suse.com gfs2@lists.linux.dev hirofumi@mail.parknet.co.jp jack@suse.cz jlbec@evilplan.org joseph.qi@linux.alibaba.com linux-aio@kvack.org linux-block@vger.kernel.org linux-ext4@vger.kernel.org linux-fsdevel@vger.kernel.org linux-mm@kvack.org muchun.song@linux.dev ntfs3@lists.linux.dev ocfs2-devel@lists.linux.dev osalvador@suse.de tytso@mit.edu viro@zeniv.linux.org.uk

Subject

fs: Move metadata bh tracking from address_space

Author

jack@suse.cz

Date

2026-03-03 10:33:50 +0000 UTC

Version

agruenba@redhat.com aivazian.tigran@gmail.com almaz.alexandrovich@paragon-software.com axboe@kernel.dk bcrl@kvack.org brauner@kernel.org david@kernel.org dsterba@suse.com gfs2@lists.linux.dev hirofumi@mail.parknet.co.jp jack@suse.cz jlbec@evilplan.org joseph.qi@linux.alibaba.com linux-aio@kvack.org linux-block@vger.kernel.org linux-ext4@vger.kernel.org linux-fsdevel@vger.kernel.org linux-mm@kvack.org muchun.song@linux.dev ntfs3@lists.linux.dev ocfs2-devel@lists.linux.dev osalvador@suse.de tytso@mit.edu viro@zeniv.linux.org.uk

Name	Content [All]
[PATCH 01/32] fat: Sync and invalidate metadata buffers from fat_evict_inode()	[Body]
[PATCH 02/32] udf: Sync and invalidate metadata buffers from udf_evict_inode()	[Body]
[PATCH 03/32] minix: Sync and invalidate metadata buffers from minix_evict_inode()	[Body]
[PATCH 04/32] ext2: Sync and invalidate metadata buffers from ext2_evict_inode()	[Body]
[PATCH 05/32] ext4: Sync and invalidate metadata buffers from ext4_evict_inode()	[Body]
[PATCH 06/32] ext4: Use inode_has_buffers()	[Body]
[PATCH 07/32] bfs: Sync and invalidate metadata buffers from bfs_evict_inode()	[Body]
[PATCH 08/32] affs: Sync and invalidate metadata buffers from affs_evict_inode()	[Body]
[PATCH 09/32] fs: Ignore inode metadata buffers in inode_lru_isolate()	[Body]
[PATCH 10/32] fs: Stop using i_private_data for metadata bh tracking	[Body]
[PATCH 11/32] gfs2: Don't zero i_private_data	[Body]
[PATCH 12/32] hugetlbfs: Stop using i_private_data	[Body]
[PATCH 13/32] aio: Stop using i_private_data and i_private_lock	[Body]
[PATCH 14/32] fs: Remove i_private_data	[Body]
[PATCH 15/32] fs: Drop osync_buffers_list()	[Body]
[PATCH 16/32] fs: Fold fsync_buffers_list() into sync_mapping_buffers()	[Body]
[PATCH 17/32] fs: Move metadata bhs tracking to a separate struct	[Body]
[PATCH 18/32] fs: Provide operation for fetching mapping_metadata_bhs	[Body]
[PATCH 19/32] ntfs3: Drop pointless sync_mapping_buffers() call	[Body]
[PATCH 20/32] ocfs2: Drop pointless sync_mapping_buffers() calls	[Body]
[PATCH 21/32] bdev: Drop pointless invalidate_mapping_buffers() call	[Body]
[PATCH 22/32] fs: Switch inode_has_buffers() to take mapping_metadata_bhs	[Body]
[PATCH 23/32] ext2: Track metadata bhs in fs-private inode part	[Body]
[PATCH 24/32] affs: Track metadata bhs in fs-private inode part	[Body]
[PATCH 25/32] bfs: Track metadata bhs in fs-private inode part	[Body]
[PATCH 26/32] fat: Track metadata bhs in fs-private inode part	[Body]
[PATCH 27/32] udf: Track metadata bhs in fs-private inode part	[Body]
[PATCH 28/32] minix: Track metadata bhs in fs-private inode part	[Body]
[PATCH 29/32] ext4: Track metadata bhs in fs-private inode part	[Body]
[PATCH 30/32] vfs: Drop mapping_metadata_bhs from address space	[Body]
[PATCH 31/32] kvm: Use private inode list instead of i_private_list	[Body]
[PATCH 32/32] fs: Drop i_private_list from address_space	[Body]

Name

Content [All]

[PATCH 01/32] fat: Sync and invalidate metadata buffers from fat_evict_inode()

[PATCH 02/32] udf: Sync and invalidate metadata buffers from udf_evict_inode()

[PATCH 03/32] minix: Sync and invalidate metadata buffers from minix_evict_inode()

[PATCH 04/32] ext2: Sync and invalidate metadata buffers from ext2_evict_inode()

[PATCH 05/32] ext4: Sync and invalidate metadata buffers from ext4_evict_inode()

[PATCH 06/32] ext4: Use inode_has_buffers()

[PATCH 07/32] bfs: Sync and invalidate metadata buffers from bfs_evict_inode()

[PATCH 08/32] affs: Sync and invalidate metadata buffers from affs_evict_inode()

[PATCH 09/32] fs: Ignore inode metadata buffers in inode_lru_isolate()

[PATCH 10/32] fs: Stop using i_private_data for metadata bh tracking

[PATCH 11/32] gfs2: Don't zero i_private_data

[PATCH 12/32] hugetlbfs: Stop using i_private_data

[PATCH 13/32] aio: Stop using i_private_data and i_private_lock

[PATCH 14/32] fs: Remove i_private_data

[PATCH 15/32] fs: Drop osync_buffers_list()

[PATCH 16/32] fs: Fold fsync_buffers_list() into sync_mapping_buffers()

[PATCH 17/32] fs: Move metadata bhs tracking to a separate struct

[PATCH 18/32] fs: Provide operation for fetching mapping_metadata_bhs

[PATCH 19/32] ntfs3: Drop pointless sync_mapping_buffers() call

[PATCH 20/32] ocfs2: Drop pointless sync_mapping_buffers() calls

[PATCH 21/32] bdev: Drop pointless invalidate_mapping_buffers() call

[PATCH 22/32] fs: Switch inode_has_buffers() to take mapping_metadata_bhs

[PATCH 23/32] ext2: Track metadata bhs in fs-private inode part

[PATCH 24/32] affs: Track metadata bhs in fs-private inode part

[PATCH 25/32] bfs: Track metadata bhs in fs-private inode part

[PATCH 26/32] fat: Track metadata bhs in fs-private inode part

[PATCH 27/32] udf: Track metadata bhs in fs-private inode part

[PATCH 28/32] minix: Track metadata bhs in fs-private inode part

[PATCH 29/32] ext4: Track metadata bhs in fs-private inode part

[PATCH 30/32] vfs: Drop mapping_metadata_bhs from address space

[PATCH 31/32] kvm: Use private inode list instead of i_private_list

[PATCH 32/32] fs: Drop i_private_list from address_space

Session 2026-03-03

3 Findings

ID (for dev)	55aed4a3-1041-40ad-8de3-1202671ac329
Status	finished
Triaged	OK [Log]
Execution Log	[Link]

Test	Base	Patched	Verdict
[KASAN] Build Base	f50c6ce7bf30099042dac755fbd1e97da456f5ec [Config]		passed [Log]
[KASAN] Boot test: Base	f50c6ce7bf30099042dac755fbd1e97da456f5ec [Config]		passed [Log]
[KASAN] Build Patched		f50c6ce7bf30099042dac755fbd1e97da456f5ec [Config] [patched]	passed [Log]
[KASAN] Boot test: Patched		f50c6ce7bf30099042dac755fbd1e97da456f5ec [Config] [patched]	passed [Log]
[KASAN] Fuzz	f50c6ce7bf30099042dac755fbd1e97da456f5ec [Config]	f50c6ce7bf30099042dac755fbd1e97da456f5ec [Config] [patched]	passed [Log] [Artifacts]
finding BUG: spinlock bad magic in region_del Log Syz Repro finding KASAN: slab-use-after-free Read in region_del Log Syz Repro finding general protection fault in mark_buffer_dirty_inode Log Syz Repro C Repro

Patches (32)

Series Summary

Sessions

Session 2026-03-03