Subject writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs()
Author libaokun@linux.alibaba.com
Date 2026-05-18 13:53:47 +0000 UTC
Version
Cc brauner@kernel.org jack@suse.cz libaokun@linux.alibaba.com linux-fsdevel@vger.kernel.org linux-kernel@vger.kernel.org stable@vger.kernel.org tj@kernel.org viro@zeniv.linux.org.uk
Patches (3)
Name Content [All]
[PATCH v3 1/3] writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs() [Body]
[PATCH v3 2/3] writeback: drop now-unnecessary rcu_barrier() in cgroup_writeback_umount() [Body]
[PATCH v3 3/3] writeback: use a per-sb counter to drain inode wb switches at umount [Body]
Series Summary
Passed
✓ All tests passed. No findings.
Sessions
Session 2026-05-18
Passed
ID (for dev) 609978a3-57ee-446f-9842-1c41ccdfda3a
Status finished
Triaged OK [Log]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 5200f5f493f79f14bbdc349e402a40dfb32f23c8 [Config] passed [Log]
[KASAN] Boot test: Base 5200f5f493f79f14bbdc349e402a40dfb32f23c8 [Config] passed [Log]
[KASAN] Build Patched 5200f5f493f79f14bbdc349e402a40dfb32f23c8 [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 5200f5f493f79f14bbdc349e402a40dfb32f23c8 [Config] [patched] passed [Log]
[KASAN] Fuzz 5200f5f493f79f14bbdc349e402a40dfb32f23c8 [Config] 5200f5f493f79f14bbdc349e402a40dfb32f23c8 [Config] [patched] passed [Log] [Artifacts]