================================================================== BUG: KCSAN: data-race in process_srcu / synchronize_srcu read to 0xffffffff8625d2e0 of 8 bytes by task 7 on cpu 1: srcu_might_be_idle kernel/rcu/srcutree.c:784 [inline] synchronize_srcu+0x107/0x214 kernel/rcu/srcutree.c:996 fsnotify_mark_destroy_workfn+0xef/0x230 fs/notify/mark.c:832 process_one_work+0x3d4/0x890 kernel/workqueue.c:2264 process_scheduled_works+0x50/0xa0 kernel/workqueue.c:2326 worker_thread+0x4ee/0x800 kernel/workqueue.c:2412 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 write to 0xffffffff8625d2e0 of 8 bytes by task 5 on cpu 0: srcu_gp_end kernel/rcu/srcutree.c:533 [inline] srcu_advance_state kernel/rcu/srcutree.c:1146 [inline] process_srcu+0x207/0x780 kernel/rcu/srcutree.c:1237 process_one_work+0x3d4/0x890 kernel/workqueue.c:2264 worker_thread+0xa0/0x800 kernel/workqueue.c:2410 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.5.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: rcu_gp process_srcu ==================================================================