FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7285 Comm: syz-executor.2 Not tainted 4.14.180-syzkaller #0 ------------[ cut here ]------------ Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 WARNING: CPU: 1 PID: 7278 at arch/x86/mm/pat.c:1020 untrack_pfn+0x1ab/0x210 arch/x86/mm/pat.c:1027 Call Trace: Kernel panic - not syncing: panic_on_warn set ... __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xf7/0x13b lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.3+0x105/0x14b lib/fault-inject.c:149 should_failslab+0xba/0xf0 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x2cf/0x790 mm/slab.c:3550 anon_vma_alloc mm/rmap.c:82 [inline] anon_vma_fork+0xd0/0x4c0 mm/rmap.c:341 dup_mmap kernel/fork.c:664 [inline] dup_mm kernel/fork.c:1199 [inline] copy_mm kernel/fork.c:1254 [inline] copy_process.part.37+0x5bf8/0x66c0 kernel/fork.c:1771 copy_process kernel/fork.c:1586 [inline] _do_fork+0x155/0xbb0 kernel/fork.c:2070 SYSC_clone kernel/fork.c:2180 [inline] SyS_clone+0x14/0x20 kernel/fork.c:2174 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459879 RSP: 002b:00007fc75e9f0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fc75e9f0c90 RCX: 0000000000459879 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc75e9f16d4 R13: 00000000004bfd46 R14: 00000000004d1af8 R15: 0000000000000004 CPU: 1 PID: 7278 Comm: syz-executor.5 Not tainted 4.14.180-syzkaller #0 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+0xf7/0x13b lib/dump_stack.c:58 panic+0x1b0/0x358 kernel/panic.c:183 __warn.cold.8+0x25/0x2c kernel/panic.c:547 report_bug+0x1a4/0x1f3 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] do_error_trap+0x1bd/0x310 arch/x86/kernel/traps.c:295 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 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+0x1ab/0x210 arch/x86/mm/pat.c:1020 RSP: 0018:ffff888084a878f8 EFLAGS: 00010282 RAX: 00000000ffffffea RBX: ffff8880851c3ca0 RCX: 0000000000000000 RDX: 0000000000000004 RSI: 0000000000000001 RDI: ffffffff893867c0 RBP: ffff888084a879c8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffff888092ef4100 R12: 1ffff11010950f21 R13: 0000000000000000 R14: ffff888084a879a8 R15: ffff888084a87a98 unmap_single_vma+0x144/0x300 mm/memory.c:1539 unmap_vmas+0xe2/0x190 mm/memory.c:1590 exit_mmap+0x249/0x450 mm/mmap.c:3056 __mmput kernel/fork.c:930 [inline] mmput+0xed/0x3c0 kernel/fork.c:951 dup_mm kernel/fork.c:1215 [inline] copy_mm kernel/fork.c:1254 [inline] copy_process.part.37+0x5d4e/0x66c0 kernel/fork.c:1771 copy_process kernel/fork.c:1586 [inline] _do_fork+0x155/0xbb0 kernel/fork.c:2070 SYSC_clone kernel/fork.c:2180 [inline] SyS_clone+0x14/0x20 kernel/fork.c:2174 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459879 RSP: 002b:00007f76ad73bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f76ad73bc90 RCX: 0000000000459879 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f76ad73c6d4 R13: 00000000004bfd46 R14: 00000000004d1af8 R15: 0000000000000004 CPU: 0 PID: 7286 Comm: syz-executor.3 Not tainted 4.14.180-syzkaller #0 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+0xf7/0x13b lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.3+0x105/0x14b lib/fault-inject.c:149 should_failslab+0xba/0xf0 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x2ea/0x7a0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] kzalloc include/linux/slab.h:661 [inline] reserve_memtype+0x14e/0x6e0 arch/x86/mm/pat.c:573 reserve_pfn_range+0x117/0x340 arch/x86/mm/pat.c:868 track_pfn_copy+0x15f/0x190 arch/x86/mm/pat.c:937 copy_page_range+0xf7f/0x1970 mm/memory.c:1250 dup_mmap kernel/fork.c:709 [inline] dup_mm kernel/fork.c:1199 [inline] copy_mm kernel/fork.c:1254 [inline] copy_process.part.37+0x5d70/0x66c0 kernel/fork.c:1771 copy_process kernel/fork.c:1586 [inline] _do_fork+0x155/0xbb0 kernel/fork.c:2070 SYSC_clone kernel/fork.c:2180 [inline] SyS_clone+0x14/0x20 kernel/fork.c:2174 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459879 RSP: 002b:00007f4ffab2fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f4ffab2fc90 RCX: 0000000000459879 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4ffab306d4 R13: 00000000004bfd46 R14: 00000000004d1af8 R15: 0000000000000004 Kernel Offset: disabled Rebooting in 86400 seconds..