================================================================== BUG: KCSAN: data-race in blk_mq_sched_dispatch_requests / blk_mq_sched_dispatch_requests read-write to 0xffff888100c0f550 of 8 bytes by task 2744 on cpu 0: blk_mq_sched_dispatch_requests+0x8a/0x100 block/blk-mq-sched.c:327 blk_mq_run_hw_queue+0x2a4/0x4c0 block/blk-mq.c:2264 blk_mq_flush_plug_list+0x7b6/0xdc0 block/blk-mq.c:2812 __blk_flush_plug+0x210/0x260 block/blk-core.c:1150 blk_finish_plug+0x47/0x60 block/blk-core.c:1174 jbd2_journal_commit_transaction+0x1bb9/0x33a0 fs/jbd2/commit.c:795 kjournald2+0x242/0x420 fs/jbd2/journal.c:201 kthread+0x1d7/0x210 kernel/kthread.c:388 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 read-write to 0xffff888100c0f550 of 8 bytes by task 23 on cpu 1: blk_mq_sched_dispatch_requests+0x8a/0x100 block/blk-mq-sched.c:327 blk_mq_run_hw_queue+0x2a4/0x4c0 block/blk-mq.c:2264 blk_mq_run_hw_queues+0x161/0x1e0 block/blk-mq.c:2313 blk_mq_requeue_work+0x408/0x430 block/blk-mq.c:1498 process_one_work kernel/workqueue.c:2627 [inline] process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2700 worker_thread+0x525/0x730 kernel/workqueue.c:2781 kthread+0x1d7/0x210 kernel/kthread.c:388 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 value changed: 0x0000000000002d7b -> 0x0000000000002d7c Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 23 Comm: kworker/1:0H Not tainted 6.7.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: kblockd blk_mq_requeue_work ==================================================================