Warning: Permanently added '10.128.0.211' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.746228] ------------[ cut here ]------------ [ 25.751417] WARNING: CPU: 0 PID: 2067 at mm/page_alloc.c:3069 __alloc_pages_nodemask+0x11d7/0x14b0() [ 25.761048] Kernel panic - not syncing: panic_on_warn set ... [ 25.761048] [ 25.768424] CPU: 0 PID: 2067 Comm: syz-executor698 Not tainted 4.4.174+ #4 [ 25.775428] 0000000000000000 bd5bb8795dab0753 ffff8801d4017238 ffffffff81aad1a1 [ 25.783654] 0000000000000000 ffffffff82835ee0 ffffffff82885260 0000000000000bfd [ 25.791705] ffffffff813d12d7 ffff8801d4017318 ffffffff813a48c2 0000000041b58ab3 [ 25.799790] Call Trace: [ 25.802383] [] dump_stack+0xc1/0x120 [ 25.807956] [] ? __alloc_pages_nodemask+0x11d7/0x14b0 [ 25.814874] [] panic+0x1b9/0x37b [ 25.819873] [] ? add_taint.cold+0x16/0x16 [ 25.825650] [] ? warn_slowpath_common.cold+0x5/0x20 [ 25.832298] [] warn_slowpath_common.cold+0x20/0x20 [ 25.838859] [] warn_slowpath_null+0x2a/0x30 [ 25.844816] [] __alloc_pages_nodemask+0x11d7/0x14b0 [ 25.851472] [] ? save_stack_trace+0x26/0x50 [ 25.857437] [] ? kasan_kmalloc.part.0+0x62/0xf0 [ 25.863740] [] ? kasan_kmalloc+0xb7/0xd0 [ 25.869434] [] ? __kmalloc+0x141/0x330 [ 25.875136] [] ? hashtab_create+0x11d/0x210 [ 25.881099] [] ? symtab_init+0x2c/0xb0 [ 25.886634] [] ? common_read+0x1be/0x380 [ 25.892416] [] ? policydb_read+0xc3b/0x2280 [ 25.898717] [] ? security_load_policy+0x23c/0x9c0 [ 25.905190] [] ? sel_write_load+0x175/0xf90 [ 25.911153] [] ? __vfs_write+0x116/0x3d0 [ 25.916854] [] ? vfs_write+0x182/0x4e0 [ 25.922629] [] ? SyS_write+0xdc/0x1c0 [ 25.928093] [] ? entry_SYSCALL_64_fastpath+0x1e/0x9a [ 25.934931] [] ? policydb_read+0xc3b/0x2280 [ 25.940886] [] ? security_load_policy+0x23c/0x9c0 [ 25.947371] [] ? sel_write_load+0x175/0xf90 [ 25.953336] [] ? vfs_write+0x182/0x4e0 [ 25.959065] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 25.966439] [] ? trace_hardirqs_on_caller+0x500/0x5a0 [ 25.973275] [] ? policydb_read+0x7dd/0x2280 [ 25.979228] [] ? kasan_slab_free+0x11a/0x190 [ 25.985275] [] ? check_preemption_disabled+0x3c/0x200 [ 25.992185] [] alloc_kmem_pages+0x12/0x20 [ 25.997980] [] kmalloc_order+0x21/0x70 [ 26.003497] [] kmalloc_order_trace+0x1f/0x1a0 [ 26.009622] [] __kmalloc+0x1c2/0x330 [ 26.015019] [] ? symcmp+0x30/0x30 [ 26.020132] [] str_read+0x2b/0x130 [ 26.020141] [] common_read+0x260/0x380 [ 26.020147] [] ? class_read+0x950/0x950 [ 26.020154] [] ? policydb_read+0x7dd/0x2280 [ 26.020162] [] ? kfree+0xf4/0x310 [ 26.020168] [] policydb_read+0xc3b/0x2280 [ 26.020176] [] ? mark_held_locks+0xb1/0x100 [ 26.020184] [] ? get_page_from_freelist+0x9d8/0x1d00 [ 26.020192] [] ? class_read+0x950/0x950 [ 26.020199] [] ? string_to_av_perm+0x90/0x90 [ 26.020207] [] ? security_load_policy+0x103/0x9c0 [ 26.020216] [] ? check_preemption_disabled+0x3c/0x200 [ 26.020222] [] ? check_preemption_disabled+0x3c/0x200 [ 26.020230] [] ? kasan_kmalloc+0xb7/0xd0 [ 26.020237] [] ? kmem_cache_alloc_trace+0x123/0x2d0 [ 26.020245] [] security_load_policy+0x23c/0x9c0 [ 26.020253] [] ? native_set_pgd+0x50/0x50 [ 26.020260] [] ? security_get_bools+0x610/0x610 [ 26.020267] [] ? vmap_page_range_noflush+0x517/0x780 [ 26.020275] [] ? alloc_vmap_area.isra.0+0x810/0x810 [ 26.020284] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 26.020292] [] ? check_stack_object+0x114/0x160 [ 26.020300] [] ? __check_object_size+0x222/0x332 [ 26.020307] [] sel_write_load+0x175/0xf90 [ 26.020314] [] ? sel_read_bool+0x240/0x240 [ 26.020321] [] ? trace_hardirqs_on+0x10/0x10 [ 26.020328] [] __vfs_write+0x116/0x3d0 [ 26.020335] [] ? sel_read_bool+0x240/0x240 [ 26.020341] [] ? __vfs_read+0x3c0/0x3c0 [ 26.020347] [] ? check_preemption_disabled+0x3c/0x200 [ 26.020354] [] ? check_preemption_disabled+0x3c/0x200 [ 26.020361] [] ? rcu_read_lock_sched_held+0x10b/0x130 [ 26.020368] [] ? rcu_sync_lockdep_assert+0x73/0xb0 [ 26.020376] [] ? __sb_start_write+0x14f/0x310 [ 26.020383] [] vfs_write+0x182/0x4e0 [ 26.020389] [] SyS_write+0xdc/0x1c0 [ 26.020396] [] ? SyS_read+0x1c0/0x1c0 [ 26.020405] [] ? trace_hardirqs_on_thunk+0x17/0x19 [ 26.020414] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 26.021283] Kernel Offset: disabled [ 26.268981] Rebooting in 86400 seconds..