[18475] 0 18471 18343 7 27 4 0 1000 syz-executor.0 [18478] 0 18478 1542 23 8 3 0 0 modprobe Out of memory: Kill process 5248 (syz-executor.0) score 1005 or sacrifice child Killed process 5248 (syz-executor.0) total-vm:72580kB, anon-rss:172kB, file-rss:34688kB, shmem-rss:0kB ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4023 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: 4023 Comm: syz-executor.3 Not tainted 4.9.141+ #1 ffff8801ce9ff660 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff ffffffff82a34000 0000000000000001 0000000000000009 ffff8801ce9ff720 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+0xcd/0x360 kernel/fork.c:906 [] exit_mm kernel/exit.c:514 [inline] [] do_exit+0x6c9/0x2a50 kernel/exit.c:820 [] do_group_exit+0x111/0x300 kernel/exit.c:937 [] get_signal+0x4e1/0x1460 kernel/signal.c:2321 [] do_signal+0x95/0x1b00 arch/x86/kernel/signal.c:807 [] exit_to_usermode_loop+0x10e/0x150 arch/x86/entry/common.c:158 [] prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] [] syscall_return_slowpath arch/x86/entry/common.c:263 [inline] [] do_syscall_64+0x3e2/0x550 arch/x86/entry/common.c:290 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Kernel Offset: disabled Rebooting in 86400 seconds..