oom_reaper: reaped process 15192 (syz.1.996), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 in_atomic(): 0, irqs_disabled(): 0, non_block: 1, pid: 39, name: oom_reaper preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 locks held by oom_reaper/39: 4, last CPU#0: #0: ffff88806609aab8 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_trylock include/linux/mmap_lock.h:619 [inline] #0: ffff88806609aab8 (&mm->mmap_lock){++++}-{4:4}, at: oom_reap_task_mm mm/oom_kill.c:559 [inline] #0: ffff88806609aab8 (&mm->mmap_lock){++++}-{4:4}, at: oom_reap_task mm/oom_kill.c:602 [inline] #0: ffff88806609aab8 (&mm->mmap_lock){++++}-{4:4}, at: oom_reaper+0x2af/0xc00 mm/oom_kill.c:643 #1: ffffffff8f5103e0 (mmu_notifier_invalidate_range_start){+.+.}-{0:0}, at: mmu_notifier_invalidate_range_start_nonblock include/linux/mmu_notifier.h:495 [inline] #1: ffffffff8f5103e0 (mmu_notifier_invalidate_range_start){+.+.}-{0:0}, at: zap_vma_for_reaping+0x193/0x380 mm/memory.c:2229 #2: ffffffff8f510438 (srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #2: ffffffff8f510438 (srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:320 [inline] #2: ffffffff8f510438 (srcu){.+.+}-{0:0}, at: mn_hlist_invalidate_range_start mm/mmu_notifier.c:515 [inline] #2: ffffffff8f510438 (srcu){.+.+}-{0:0}, at: __mmu_notifier_invalidate_range_start+0x5c6/0xb80 mm/mmu_notifier.c:580 #3: ffff888057875368 (&kvm->mn_invalidate_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:45 [inline] #3: ffff888057875368 (&kvm->mn_invalidate_lock){+.+.}-{3:3}, at: kvm_mmu_notifier_invalidate_range_start+0x1b6/0xc10 virt/kvm/kvm_main.c:753 CPU: 0 UID: 0 PID: 39 Comm: oom_reaper Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 __might_resched+0x31b/0x470 kernel/sched/core.c:9195 __rt_spin_lock kernel/locking/spinlock_rt.c:48 [inline] rt_spin_lock+0xc2/0x400 kernel/locking/spinlock_rt.c:57 spin_lock include/linux/spinlock_rt.h:45 [inline] kvm_mmu_notifier_invalidate_range_start+0x1b6/0xc10 virt/kvm/kvm_main.c:753 mn_hlist_invalidate_range_start mm/mmu_notifier.c:525 [inline] __mmu_notifier_invalidate_range_start+0x709/0xb80 mm/mmu_notifier.c:580 mmu_notifier_invalidate_range_start_nonblock include/linux/mmu_notifier.h:498 [inline] zap_vma_for_reaping+0x1f7/0x380 mm/memory.c:2229 __oom_reap_task_mm mm/oom_kill.c:541 [inline] oom_reap_task_mm mm/oom_kill.c:578 [inline] oom_reap_task mm/oom_kill.c:602 [inline] oom_reaper+0x514/0xc00 mm/oom_kill.c:643 kthread+0x38b/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 oom_reaper: reaped process 15611 (syz.1.1028), now anon-rss:0kB, file-rss:34284kB, shmem-rss:0kB