===================================================== BUG: KMSAN: uninit-value in spin_lock_bh include/linux/spinlock.h:343 [inline] BUG: KMSAN: uninit-value in __rxrpc_put_peer net/rxrpc/peer_object.c:415 [inline] BUG: KMSAN: uninit-value in rxrpc_put_peer+0x333/0x7d0 net/rxrpc/peer_object.c:435 CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.3.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x191/0x1f0 lib/dump_stack.c:113 kmsan_report+0x13a/0x2b0 mm/kmsan/kmsan_report.c:108 __msan_warning+0x73/0xe0 mm/kmsan/kmsan_instr.c:250 arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:200 [inline] atomic_try_cmpxchg include/asm-generic/atomic-instrumented.h:695 [inline] queued_spin_lock include/asm-generic/qspinlock.h:78 [inline] do_raw_spin_lock include/linux/spinlock.h:181 [inline] __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x72/0xb0 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:343 [inline] __rxrpc_put_peer net/rxrpc/peer_object.c:415 [inline] rxrpc_put_peer+0x333/0x7d0 net/rxrpc/peer_object.c:435 rxrpc_rcu_destroy_call+0x8a/0x1e0 net/rxrpc/call_object.c:564 __rcu_reclaim kernel/rcu/rcu.h:222 [inline] rcu_do_batch kernel/rcu/tree.c:2114 [inline] rcu_core+0xb6f/0x1850 kernel/rcu/tree.c:2314 rcu_core_si+0xe/0x10 kernel/rcu/tree.c:2323 __do_softirq+0x4a1/0x83a kernel/softirq.c:293 run_ksoftirqd+0x25/0x40 kernel/softirq.c:607 smpboot_thread_fn+0x4a3/0x990 kernel/smpboot.c:165 kthread+0x4b5/0x4f0 kernel/kthread.c:256 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:150 [inline] kmsan_internal_poison_shadow+0x53/0x100 mm/kmsan/kmsan.c:134 kmsan_slab_free+0x8d/0x100 mm/kmsan/kmsan_hooks.c:123 slab_free_freelist_hook mm/slub.c:1472 [inline] slab_free mm/slub.c:3038 [inline] kfree+0x4c1/0x2db0 mm/slub.c:3980 rxrpc_local_rcu+0x7a/0xe0 net/rxrpc/local_object.c:499 __rcu_reclaim kernel/rcu/rcu.h:222 [inline] rcu_do_batch kernel/rcu/tree.c:2114 [inline] rcu_core+0xb6f/0x1850 kernel/rcu/tree.c:2314 rcu_core_si+0xe/0x10 kernel/rcu/tree.c:2323 __do_softirq+0x4a1/0x83a kernel/softirq.c:293 run_ksoftirqd+0x25/0x40 kernel/softirq.c:607 smpboot_thread_fn+0x4a3/0x990 kernel/smpboot.c:165 kthread+0x4b5/0x4f0 kernel/kthread.c:256 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 =====================================================