Killed process 7116 (syz-executor.1) total-vm:72444kB, anon-rss:160kB, file-rss:34688kB, shmem-rss:0kB Out of memory: Kill process 2930 (syz-executor.4) score 1005 or sacrifice child Killed process 2930 (syz-executor.4) total-vm:72444kB, anon-rss:156kB, file-rss:34688kB, shmem-rss:0kB oom_reaper: reaped process 2930 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18 at arch/x86/mm/pat.c:1019 untrack_pfn+0x242/0x290 arch/x86/mm/pat.c:1019 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 18 Comm: kworker/1:0 Not tainted 4.9.141+ #1 Workqueue: events mmput_async_fn ffff8801da717858 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff ffffffff82a34000 0000000000000001 0000000000000009 ffff8801da717918 ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] panic+0x1bf/0x39f kernel/panic.c:179 [] __warn.cold.8+0x2f/0x2f kernel/panic.c:542 [] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585 [] untrack_pfn+0x242/0x290 arch/x86/mm/pat.c:1019 [] unmap_single_vma+0x141/0x170 mm/memory.c:1315 [] unmap_vmas+0x81/0xd0 mm/memory.c:1366 [] exit_mmap+0x1cc/0x3a0 mm/mmap.c:3021 [] __mmput kernel/fork.c:884 [inline] [] mmput_async_fn+0xab/0x330 kernel/fork.c:914 [] process_one_work+0x831/0x15f0 kernel/workqueue.c:2092 [] worker_thread+0xd6/0x1140 kernel/workqueue.c:2226 [] kthread+0x26d/0x300 kernel/kthread.c:211 [] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 Kernel Offset: disabled Rebooting in 86400 seconds..