Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 58.416662][ T7030] ------------[ cut here ]------------ [ 58.422228][ T7030] memtype_reserve failed: [mem 0xffffffffff000-0x003fefff], req write-back [ 58.432341][ T7030] WARNING: CPU: 0 PID: 7030 at arch/x86/mm/pat/memtype.c:589 memtype_reserve+0x69f/0x820 [ 58.442222][ T7030] Kernel panic - not syncing: panic_on_warn set ... [ 58.448788][ T7030] CPU: 0 PID: 7030 Comm: syz-executor752 Not tainted 5.7.0-rc4-syzkaller #0 [ 58.457458][ T7030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.467490][ T7030] Call Trace: [ 58.470760][ T7030] dump_stack+0x188/0x20d [ 58.475083][ T7030] ? memtype_reserve+0x680/0x820 [ 58.480009][ T7030] panic+0x2e3/0x75c [ 58.483880][ T7030] ? add_taint.cold+0x16/0x16 [ 58.488547][ T7030] ? __probe_kernel_read+0x188/0x1d0 [ 58.493806][ T7030] ? __warn.cold+0x14/0x35 [ 58.498281][ T7030] ? __warn+0xd5/0x1c8 [ 58.502325][ T7030] ? memtype_reserve+0x69f/0x820 [ 58.507239][ T7030] __warn.cold+0x2f/0x35 [ 58.511455][ T7030] ? irq_work_queue+0xc3/0x100 [ 58.516203][ T7030] ? memtype_reserve+0x69f/0x820 [ 58.521115][ T7030] report_bug+0x27b/0x2f0 [ 58.525450][ T7030] do_error_trap+0x12b/0x220 [ 58.530015][ T7030] ? memtype_reserve+0x69f/0x820 [ 58.534933][ T7030] do_invalid_op+0x32/0x40 [ 58.539334][ T7030] ? memtype_reserve+0x69f/0x820 [ 58.544263][ T7030] invalid_op+0x23/0x30 [ 58.548407][ T7030] RIP: 0010:memtype_reserve+0x69f/0x820 [ 58.553930][ T7030] Code: 48 8b 2c ed c0 00 29 88 e8 ae ad 3e 00 48 8d 4b ff 49 89 e8 4c 89 e2 48 c7 c6 20 01 29 88 48 c7 c7 80 f9 28 88 e8 79 e8 0f 00 <0f> 0b 41 bf ea ff ff ff e9 03 fc ff ff 41 bf ea ff ff ff e9 f8 fb [ 58.573524][ T7030] RSP: 0018:ffffc900014777a0 EFLAGS: 00010282 [ 58.579562][ T7030] RAX: 0000000000000000 RBX: 00000000003ff000 RCX: 0000000000000000 [ 58.587534][ T7030] RDX: 0000000000000000 RSI: ffffffff815ce181 RDI: fffff5200028eee6 [ 58.595666][ T7030] RBP: ffffffff8828ff40 R08: ffff88808cfd4040 R09: ffffed1015cc66a9 [ 58.603630][ T7030] R10: ffff8880ae633547 R11: ffffed1015cc66a8 R12: 000ffffffffff000 [ 58.611577][ T7030] R13: 1ffff9200028eefa R14: dffffc0000000000 R15: 0000000000000000 [ 58.619538][ T7030] ? vprintk_func+0x81/0x17e [ 58.624111][ T7030] ? __lock_acquire+0x2184/0x4c50 [ 58.629109][ T7030] ? pat_init+0x440/0x440 [ 58.633414][ T7030] ? __init_cache_modes+0x270/0x270 [ 58.638592][ T7030] reserve_pfn_range+0x173/0x470 [ 58.643542][ T7030] ? arch_io_reserve_memtype_wc+0xa0/0xa0 [ 58.649268][ T7030] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.655233][ T7030] ? ksys_mmap_pgoff+0x457/0x5b0 [ 58.660175][ T7030] track_pfn_remap+0x18b/0x280 [ 58.664917][ T7030] remap_pfn_range+0x202/0xbf0 [ 58.669655][ T7030] ? __kmalloc+0x75f/0x7a0 [ 58.674053][ T7030] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.679574][ T7030] ? __kasan_kmalloc.constprop.0+0x75/0xd0 [ 58.685357][ T7030] ? copy_page_range+0x1f00/0x1f00 [ 58.690446][ T7030] ? __kmalloc+0x62f/0x7a0 [ 58.694838][ T7030] ? hcd_buffer_alloc+0x1ed/0x290 [ 58.699855][ T7030] dma_direct_mmap+0x197/0x260 [ 58.704600][ T7030] dma_mmap_attrs+0xfe/0x150 [ 58.709168][ T7030] usbdev_mmap+0x3ae/0x730 [ 58.713560][ T7030] ? usbdev_vm_close+0x40/0x40 [ 58.718327][ T7030] mmap_region+0xafb/0x1540 [ 58.722811][ T7030] ? __x64_sys_brk+0x6e0/0x6e0 [ 58.727550][ T7030] ? security_mmap_addr+0x81/0xa0 [ 58.732559][ T7030] ? get_unmapped_area+0x2a0/0x3c0 [ 58.737822][ T7030] do_mmap+0x849/0x1160 [ 58.741959][ T7030] vm_mmap_pgoff+0x197/0x200 [ 58.746552][ T7030] ? randomize_stack_top+0x100/0x100 [ 58.751816][ T7030] ? ksys_dup3+0x3c0/0x3c0 [ 58.756212][ T7030] ? up_read+0x1ab/0x750 [ 58.760492][ T7030] ksys_mmap_pgoff+0x457/0x5b0 [ 58.765295][ T7030] ? find_mergeable_anon_vma+0x2c0/0x2c0 [ 58.770913][ T7030] ? trace_hardirqs_off_caller+0x55/0x230 [ 58.776634][ T7030] do_syscall_64+0xf6/0x7d0 [ 58.781119][ T7030] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.787001][ T7030] RIP: 0033:0x443e79 [ 58.790874][ T7030] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.810478][ T7030] RSP: 002b:00007fff91954478 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 58.818962][ T7030] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443e79 [ 58.826933][ T7030] RDX: 000000000000000c RSI: 0000000000400000 RDI: 0000000020000000 [ 58.834913][ T7030] RBP: 00000000006ce018 R08: 0000000000000003 R09: 0000000000000000 [ 58.843421][ T7030] R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000401b80 [ 58.851370][ T7030] R13: 0000000000401c10 R14: 0000000000000000 R15: 0000000000000000 [ 58.861224][ T7030] Kernel Offset: disabled [ 58.865611][ T7030] Rebooting in 86400 seconds..