CPU: 0 PID: 6676 Comm: syz-executor5 Not tainted 4.19.0-rc1+ #118 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x11 lib/fault-inject.c:149 WARNING: CPU: 1 PID: 6661 at arch/x86/mm/pat.c:1055 untrack_pfn+0x2b8/0x320 arch/x86/mm/pat.c:1055 Kernel panic - not syncing: panic_on_warn set ... __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x29c/0x710 mm/slab.c:3552 vm_area_dup+0x7a/0x220 kernel/fork.c:323 dup_mmap kernel/fork.c:484 [inline] dup_mm kernel/fork.c:1275 [inline] copy_mm kernel/fork.c:1330 [inline] copy_process+0x3a48/0x7ad0 kernel/fork.c:1870 _do_fork+0x1ca/0x1170 kernel/fork.c:2167 __do_compat_sys_x86_clone arch/x86/ia32/sys_ia32.c:240 [inline] __se_compat_sys_x86_clone arch/x86/ia32/sys_ia32.c:236 [inline] __ia32_compat_sys_x86_clone+0xbc/0x140 arch/x86/ia32/sys_ia32.c:236 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f56ca9 Code: 55 08 8b 88 64 cd ff ff 8b 98 68 cd ff ff 89 c8 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 1c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f7f520cc EFLAGS: 00000296 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020000180 RDX: 0000000020000040 RSI: 0000000020001180 RDI: 00000000200011c0 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 CPU: 1 PID: 6661 Comm: syz-executor1 Not tainted 4.19.0-rc1+ #118 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x252/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 RIP: 0010:untrack_pfn+0x2b8/0x320 arch/x86/mm/pat.c:1055 Code: 00 00 00 00 48 8b 45 d0 65 48 33 04 25 28 00 00 00 75 39 48 81 c4 b0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 38 36 45 00 <0f> 0b eb b5 4c 89 e7 e8 8c 33 84 00 e9 86 fe ff ff 48 8b bd 28 ff RSP: 0018:ffff8801c8da6d18 EFLAGS: 00010293 RAX: ffff8801ccc52040 RBX: 1ffff100391b4da5 RCX: ffffffff81378904 RDX: 0000000000000000 RSI: ffffffff81378a48 RDI: 0000000000000005 RBP: ffff8801c8da6df0 R08: ffff8801ccc52040 R09: 0000000000000000 R10: ffffed003adbc78c R11: ffff8801d6de3c63 R12: ffff8801c0bef948 R13: 00000000ffffffea R14: ffff8801c8da6dc8 R15: 0000000000000000 unmap_single_vma+0x1c5/0x310 mm/memory.c:1535 unmap_vmas+0x125/0x200 mm/memory.c:1586 exit_mmap+0x2c2/0x590 mm/mmap.c:3093 __mmput kernel/fork.c:1002 [inline] mmput+0x265/0x620 kernel/fork.c:1023 dup_mm kernel/fork.c:1290 [inline] copy_mm kernel/fork.c:1330 [inline] copy_process+0x3037/0x7ad0 kernel/fork.c:1870 _do_fork+0x1ca/0x1170 kernel/fork.c:2167 __do_compat_sys_x86_clone arch/x86/ia32/sys_ia32.c:240 [inline] __se_compat_sys_x86_clone arch/x86/ia32/sys_ia32.c:236 [inline] __ia32_compat_sys_x86_clone+0xbc/0x140 arch/x86/ia32/sys_ia32.c:236 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f08ca9 Code: 55 08 8b 88 64 cd ff ff 8b 98 68 cd ff ff 89 c8 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 1c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f7f040cc EFLAGS: 00000296 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020000180 RDX: 0000000020000040 RSI: 0000000020001180 RDI: 00000000200011c0 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 CPU: 0 PID: 6690 Comm: syz-executor3 Not tainted 4.19.0-rc1+ #118 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x11 lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x29c/0x710 mm/slab.c:3552 anon_vma_alloc mm/rmap.c:82 [inline] anon_vma_fork+0x192/0x960 mm/rmap.c:341 dup_mmap kernel/fork.c:499 [inline] dup_mm kernel/fork.c:1275 [inline] copy_mm kernel/fork.c:1330 [inline] copy_process+0x3ff8/0x7ad0 kernel/fork.c:1870 _do_fork+0x1ca/0x1170 kernel/fork.c:2167 __do_compat_sys_x86_clone arch/x86/ia32/sys_ia32.c:240 [inline] __se_compat_sys_x86_clone arch/x86/ia32/sys_ia32.c:236 [inline] __ia32_compat_sys_x86_clone+0xbc/0x140 arch/x86/ia32/sys_ia32.c:236 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f45ca9 Code: 55 08 8b 88 64 cd ff ff 8b 98 68 cd ff ff 89 c8 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 1c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f7f410cc EFLAGS: 00000296 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020000180 RDX: 0000000020000040 RSI: 0000000020001180 RDI: 00000000200011c0 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..