__dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x197 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_failslab+0xdb/0x130 mm/failslab.c:32
------------[ cut here ]------------
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x2d7/0x780 mm/slab.c:3550
WARNING: CPU: 0 PID: 26779 at arch/x86/mm/pat.c:1020 untrack_pfn+0x1dc/0x220 arch/x86/mm/pat.c:1020
Kernel panic - not syncing: panic_on_warn set ...

 ptlock_alloc+0x20/0x70 mm/memory.c:4741
 ptlock_init include/linux/mm.h:1757 [inline]
 pgtable_page_ctor include/linux/mm.h:1791 [inline]
 pte_alloc_one+0x60/0x100 arch/x86/mm/pgtable.c:33
 copy_huge_pmd+0x7d/0x8c0 mm/huge_memory.c:917
 copy_pmd_range mm/memory.c:1147 [inline]
 copy_pud_range mm/memory.c:1191 [inline]
 copy_p4d_range mm/memory.c:1213 [inline]
 copy_page_range+0x69a/0x1bd0 mm/memory.c:1275
 dup_mmap kernel/fork.c:714 [inline]
 dup_mm kernel/fork.c:1208 [inline]
 copy_mm kernel/fork.c:1263 [inline]
 copy_process.part.0+0x4764/0x6a00 kernel/fork.c:1780
 copy_process kernel/fork.c:1595 [inline]
 _do_fork+0x19e/0xce0 kernel/fork.c:2085
 SYSC_clone kernel/fork.c:2195 [inline]
 SyS_clone+0x37/0x50 kernel/fork.c:2189
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459879
RSP: 002b:00007f8cec878c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f8cec878c90 RCX: 0000000000459879
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8cec8796d4
R13: 00000000004bfd46 R14: 00000000004d1af8 R15: 0000000000000006
CPU: 0 PID: 26779 Comm: syz-executor.3 Not tainted 4.14.140 #36
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x197 lib/dump_stack.c:53
 panic+0x1f2/0x426 kernel/panic.c:182
 __warn.cold+0x2f/0x36 kernel/panic.c:546
 report_bug+0x216/0x254 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963
RIP: 0010:untrack_pfn+0x1dc/0x220 arch/x86/mm/pat.c:1020
RSP: 0018:ffff88803be4f948 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88808b844eb0 RCX: ffffc90008440000
RDX: 0000000000040000 RSI: ffffffff812a659c RDI: 0000000000000001
RBP: ffff88803be4f9d8 R08: ffff88805e606740 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88805e606740 R12: 1ffff110077c9f2a
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88803be4f9b0
 unmap_single_vma+0x182/0x2c0 mm/memory.c:1539
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3062
 __mmput kernel/fork.c:935 [inline]
 mmput+0x114/0x440 kernel/fork.c:956
 dup_mm kernel/fork.c:1224 [inline]
 copy_mm kernel/fork.c:1263 [inline]
 copy_process.part.0+0x4743/0x6a00 kernel/fork.c:1780
 copy_process kernel/fork.c:1595 [inline]
 _do_fork+0x19e/0xce0 kernel/fork.c:2085
 SYSC_clone kernel/fork.c:2195 [inline]
 SyS_clone+0x37/0x50 kernel/fork.c:2189
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459879
RSP: 002b:00007fed359dac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fed359dac90 RCX: 0000000000459879
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fed359db6d4
R13: 00000000004bfd46 R14: 00000000004d1af8 R15: 0000000000000006
Kernel Offset: disabled
Rebooting in 86400 seconds..