Warning: Permanently added '10.128.1.20' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.347397] ------------[ cut here ]------------ [ 46.348361] WARNING: CPU: 0 PID: 2070 at mm/page_alloc.c:3556 __alloc_pages_nodemask+0x13a0/0x1bd0 [ 46.349919] Kernel panic - not syncing: panic_on_warn set ... [ 46.349919] [ 46.351281] CPU: 0 PID: 2070 Comm: syz-executor876 Not tainted 4.9.141+ #23 [ 46.352307] ffff8801d03fef80 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff [ 46.353712] ffffffff82a96600 0000000000000000 0000000000000009 ffff8801d03ff040 [ 46.355436] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66 [ 46.356803] Call Trace: [ 46.357186] [] dump_stack+0xc1/0x128 [ 46.358001] [] panic+0x1bf/0x39f [ 46.358946] [] ? add_taint.cold.5+0x16/0x16 [ 46.359747] [] ? __warn.cold.8+0x14/0x2f [ 46.360523] [] ? __alloc_pages_nodemask+0x13a0/0x1bd0 [ 46.361461] [] __warn.cold.8+0x2f/0x2f [ 46.362349] [] warn_slowpath_null+0x2c/0x40 [ 46.363348] [] __alloc_pages_nodemask+0x13a0/0x1bd0 [ 46.364308] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 46.365202] [] ? kasan_kmalloc.part.1+0x62/0xf0 [ 46.366081] [] ? kmem_cache_alloc_trace+0x117/0x2e0 [ 46.366989] [] ? role_read+0xcf/0x3e0 [ 46.368875] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 46.375532] [] ? vfs_write+0x187/0x520 [ 46.381047] [] ? SyS_write+0xd9/0x1c0 [ 46.386483] [] ? do_fast_syscall_32+0x2f1/0xa10 [ 46.392794] [] ? entry_SYSENTER_compat+0x90/0xa2 [ 46.399294] [] ? quarantine_put+0xd9/0x180 [ 46.405160] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 46.411976] [] ? trace_hardirqs_on+0xd/0x10 [ 46.417936] [] ? policydb_read+0x85e/0x2390 [ 46.423926] [] ? kasan_slab_free+0x119/0x190 [ 46.430123] [] ? save_stack_trace+0x16/0x20 [ 46.436076] [] ? kasan_slab_free+0xac/0x190 [ 46.442036] [] ? kfree+0xfb/0x310 [ 46.447128] [] ? policydb_read+0x85e/0x2390 [ 46.453121] [] ? security_load_policy+0x264/0x9b0 [ 46.459597] [] ? sel_write_load+0x19b/0xfa0 [ 46.465545] [] ? vfs_write+0x187/0x520 [ 46.471061] [] kmalloc_order+0x2a/0x70 [ 46.476573] [] kmalloc_order_trace+0x1f/0x190 [ 46.482699] [] __kmalloc+0x1ae/0x310 [ 46.488112] [] str_read+0x39/0x150 [ 46.493294] [] role_read+0x238/0x3e0 [ 46.498763] [] ? type_read+0x410/0x410 [ 46.504297] [] ? debug_object_activate+0x4e0/0x4e0 [ 46.510866] [] ? kfree+0xdb/0x310 [ 46.515954] [] ? policydb_read+0x85e/0x2390 [ 46.521961] [] ? type_read+0x410/0x410 [ 46.527489] [] policydb_read+0xdba/0x2390 [ 46.533281] [] ? trace_hardirqs_on+0x10/0x10 [ 46.539335] [] ? string_to_av_perm+0x90/0x90 [ 46.545379] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 46.552117] [] ? check_preemption_disabled+0x3b/0x200 [ 46.558943] [] ? kasan_unpoison_shadow+0x35/0x50 [ 46.565333] [] ? kasan_kmalloc+0xaf/0xc0 [ 46.571029] [] ? kmem_cache_alloc_trace+0x117/0x2e0 [ 46.577791] [] ? security_load_policy+0x137/0x9b0 [ 46.584260] [] security_load_policy+0x264/0x9b0 [ 46.590560] [] ? security_get_bools+0x690/0x690 [ 46.596859] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 46.603677] [] ? __alloc_pages_nodemask+0x11df/0x1bd0 [ 46.610500] [] ? trace_hardirqs_on+0x10/0x10 [ 46.616541] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 46.623194] [] ? vmap_page_range_noflush+0x512/0x770 [ 46.630036] [] ? alloc_vmap_area.isra.8+0x8d0/0x8d0 [ 46.636706] [] ? kasan_unpoison_shadow+0x35/0x50 [ 46.643105] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 46.649856] [] ? check_stack_object+0x110/0x150 [ 46.656250] [] ? __check_object_size+0x248/0x38e [ 46.662642] [] sel_write_load+0x19b/0xfa0 [ 46.668426] [] ? trace_hardirqs_on+0xd/0x10 [ 46.674381] [] ? sel_read_bool+0x240/0x240 [ 46.680295] [] ? kasan_slab_free+0xac/0x190 [ 46.686255] [] ? kmem_cache_free+0xbe/0x310 [ 46.692251] [] ? trace_hardirqs_on+0x10/0x10 [ 46.698342] [] __vfs_write+0x115/0x580 [ 46.703874] [] ? sel_read_bool+0x240/0x240 [ 46.709798] [] ? __vfs_read+0x560/0x560 [ 46.715405] [] ? putname+0xdb/0x110 [ 46.720663] [] ? check_preemption_disabled+0x3b/0x200 [ 46.727491] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 46.734320] [] ? rcu_sync_lockdep_assert+0x73/0xb0 [ 46.740893] [] ? __sb_start_write+0x161/0x300 [ 46.747021] [] vfs_write+0x187/0x520 [ 46.752374] [] SyS_write+0xd9/0x1c0 [ 46.757648] [] ? SyS_read+0x1c0/0x1c0 [ 46.763077] [] ? do_fast_syscall_32+0xcf/0xa10 [ 46.769284] [] ? SyS_read+0x1c0/0x1c0 [ 46.774724] [] do_fast_syscall_32+0x2f1/0xa10 [ 46.780853] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.787499] [] entry_SYSENTER_compat+0x90/0xa2 [ 46.794004] Kernel Offset: disabled [ 46.797633] Rebooting in 86400 seconds..