[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [ 10.627565] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 11.291878] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.248' (ECDSA) to the list of known hosts. 2019/01/31 04:36:54 parsed 1 programs 2019/01/31 04:36:56 executed programs: 0 syzkaller login: [ 81.769709] audit: type=1400 audit(1548909416.621:5): avc: denied { sys_admin } for pid=2100 comm="syz-executor2" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 81.787186] audit: type=1400 audit(1548909416.631:6): avc: denied { net_admin } for pid=2102 comm="syz-executor2" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 82.029087] audit: type=1400 audit(1548909416.881:7): avc: denied { sys_chroot } for pid=2104 comm="syz-executor0" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 82.055259] audit: type=1400 audit(1548909416.901:8): avc: denied { associate } for pid=2104 comm="syz-executor0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 83.250047] lowmemorykiller: Killing 'syz-executor3' (2262) (tgid 2259), adj 1000, [ 83.250047] to free 968kB on behalf of 'kswapd0' (33) because [ 83.250047] cache 52716kB is below limit 65536kB for oom_score_adj 12 [ 83.250047] Free memory is -12088kB above reserved [ 83.280494] lowmemorykiller: Killing 'syz-executor3' (2262) (tgid 2259), adj 1000, [ 83.280494] to free 968kB on behalf of 'syz-executor4' (2269) because [ 83.280494] cache 50416kB is below limit 65536kB for oom_score_adj 12 [ 83.280494] Free memory is -13260kB above reserved [ 84.041915] oom_reaper: reaped process 2276 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 84.094439] syz-executor0: vmalloc: allocation failure, allocated 1267027968 of 4261421056 bytes[ 84.107907] syz-executor4: [ 84.107913] vmalloc: allocation failure, allocated 2867200 of 4261421056 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 84.107927] CPU: 0 PID: 2282 Comm: syz-executor4 Not tainted 4.9.141+ #1 [ 84.107933] ffff88003561f958 [ 84.107936] ffffffff81b42e79 1ffff10006ac3f2d dffffc0000000000 ffffffff82aa8ba0 [ 84.107947] 0000000000000000 0000000000400000 ffff88003561faa0 ffffffff814fc7c8 [ 84.107959] 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0Call Trace: [ 84.107981] [] dump_stack+0xc1/0x128 [ 84.107991] [] warn_alloc.cold.31+0x7f/0x9c ** 293 printk messages dropped ** [ 84.128769] Normal: ** 7 printk messages dropped ** [ 84.128788] (H) ** 14 printk messages dropped ** [ 84.128825] Swap cache stats: add 0, delete 0, find 0/0 ** 4 printk messages dropped ** [ 84.128835] 313617 pages reserved ** 12 printk messages dropped ** [ 84.132862] ffffffff814fc7c8 [ 84.132865] 0000000041b58ab3 ffffffff82e37a10** 303 printk messages dropped ** [ 84.162809] [] warn_alloc.cold.31+0x7f/0x9c [ 84.162817] [] ? zone_watermark_ok_safe+0x250/0x250 [ 84.162827] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.162834] [] ? retint_kernel+0x2d/0x2d [ 84.162842] [] __vmalloc_node_range+0x3f8/0x600 [ 84.162850] [] ? xt_alloc_table_info+0xc9/0x100 [ 84.162857] [] vmalloc+0x5b/0x70 [ 84.162864] [] ? xt_alloc_table_info+0xc9/0x100 [ 84.162871] [] xt_alloc_table_info+0xc9/0x100 [ 84.162879] [] do_replace.isra.7+0xfd/0x470 [ 84.162887] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 84.162895] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 84.162903] [] ? selinux_capable+0x36/0x40 [ 84.162911] [] ? ns_capable_common+0x12a/0x150 [ 84.162919] [] do_arpt_set_ctl+0xff/0x140 [ 84.162927] [] nf_setsockopt+0x6d/0xc0 [ 84.162935] [] ip_setsockopt+0x88/0xa0 [ 84.162942] [] tcp_setsockopt+0x88/0xe0 [ 84.162950] [] sock_common_setsockopt+0x9a/0xe0 [ 84.162957] [] SyS_setsockopt+0x166/0x260 [ 84.162964] [] ? SyS_recv+0x40/0x40 [ 84.162972] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 84.162980] [] ? SyS_clock_settime+0x220/0x220 [ 84.162986] [] ? do_syscall_64+0x48/0x550 [ 84.162993] [] ? SyS_recv+0x40/0x40 [ 84.163000] [] do_syscall_64+0x19f/0x550 [ 84.163008] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 84.163011] Mem-Info: [ 84.163017] CPU: 0 PID: 2274 Comm: syz-executor5 Not tainted 4.9.141+ #1 [ 84.163032] active_anon:5638 inactive_anon:41 isolated_anon:0 [ 84.163032] active_file:29 inactive_file:36 isolated_file:0 [ 84.163032] unevictable:0 dirty:20 writeback:0 unstable:0 [ 84.163032] slab_reclaimable:4556 slab_unreclaimable:57215 [ 84.163032] mapped:0 shmem:48 pagetables:443 bounce:0 [ 84.163032] free:851 free_pcp:69 free_cma:0 [ 84.163034] ffff88006d217958 [ 84.163047] Node 0 active_anon:22552kB inactive_anon:164kB active_file:116kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:80kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 84.163048] ffffffff81b42e79DMA32 free:32kB min:4696kB low:7712kB high:10728kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:92kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:20kB local_pcp:20kB free_cma:0kB 1ffff1000da42f2dlowmem_reserve[]: [ 84.163071] dffffc0000000000 0 3505 ffffffff82aa8ba0 [ 84.163078] 3505 0000000000000000 0000000000400000Normal free:3372kB min:5580kB low:9168kB high:12756kB active_anon:22432kB inactive_anon:164kB active_file:116kB inactive_file:144kB unevictable:0kB writepending:80kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18224kB slab_unreclaimable:228768kB kernel_stack:4160kB pagetables:1772kB bounce:0kB free_pcp:256kB local_pcp:48kB free_cma:0kB ffff88006d217aa0lowmem_reserve[]: [ 84.163105] 0 ffffffff814fc7c8 [ 84.163109] 0 0000000041b58ab3 0 ffffffff82e37a10 ffffffff81427db0DMA32: Call Trace: [ 84.163122] 0*4kB [] dump_stack+0xc1/0x128 [ 84.163132] 0*8kB [] warn_alloc.cold.31+0x7f/0x9c [ 84.163141] 0*16kB [] ? zone_watermark_ok_safe+0x250/0x250 [ 84.163151] 0*32kB [] __vmalloc_node_range+0x3f8/0x600 [ 84.163160] 0*64kB [] ? xt_alloc_table_info+0xc9/0x100 [ 84.163168] 0*128kB [] vmalloc+0x5b/0x70 [ 84.163176] 0*256kB [] ? xt_alloc_table_info+0xc9/0x100 [ 84.163185] 0*512kB [] xt_alloc_table_info+0xc9/0x100 [ 84.163194] 0*1024kB [] do_replace.isra.7+0xfd/0x470 [ 84.163203] 0*2048kB [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 84.163219] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 84.163222] 0*4096kB [] ? selinux_capable+0x36/0x40 [ 84.163229] = 0kB [] ? ns_capable_common+0x12a/0x150 [ 84.163238] Normal: [] do_arpt_set_ctl+0xff/0x140 [ 84.163248] 6*4kB [] nf_setsockopt+0x6d/0xc0 [ 84.163255] (H) [] ip_setsockopt+0x88/0xa0 [ 84.163265] 7*8kB [] tcp_setsockopt+0x88/0xe0 [ 84.163272] (H) [] sock_common_setsockopt+0x9a/0xe0 [ 84.163282] 15*16kB [] SyS_setsockopt+0x166/0x260 [ 84.163289] (H) [] ? SyS_recv+0x40/0x40 [ 84.163298] 12*32kB [] ? SyS_clock_gettime+0x11e/0x1f0 [ 84.163306] (H) [] ? SyS_clock_settime+0x220/0x220 [ 84.163316] 10*64kB [] ? do_syscall_64+0x48/0x550 [ 84.163323] (H) [] ? SyS_recv+0x40/0x40 [ 84.163332] 6*128kB [] do_syscall_64+0x19f/0x550 [ 84.163339] (H) [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 84.163349] 3*256kB Mem-Info: [ 84.163351] (H) active_anon:5638 inactive_anon:41 isolated_anon:0 [ 84.163366] active_file:29 inactive_file:36 isolated_file:0 [ 84.163366] unevictable:0 dirty:20 writeback:0 unstable:0 [ 84.163366] slab_reclaimable:4556 slab_unreclaimable:57215 [ 84.163366] mapped:0 shmem:48 pagetables:443 bounce:0 [ 84.163366] free:851 free_pcp:69 free_cma:0 [ 84.163368] 1*512kB Node 0 active_anon:22552kB inactive_anon:164kB active_file:116kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:80kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 84.163383] (H) DMA32 free:32kB min:4696kB low:7712kB high:10728kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:92kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:20kB local_pcp:0kB free_cma:0kB 0*1024kB lowmem_reserve[]: [ 84.163406] 0*2048kB 00*4096kB 3505= 3392kB 3505129 total pagecache pages [ 84.163418] 0 pages in swap cache [ 84.163436] Normal free:3372kB min:5580kB low:9168kB high:12756kB active_anon:22432kB inactive_anon:164kB active_file:116kB inactive_file:144kB unevictable:0kB writepending:80kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18224kB slab_unreclaimable:228768kB kernel_stack:4160kB pagetables:1772kB bounce:0kB free_pcp:256kB local_pcp:208kB free_cma:0kB Swap cache stats: add 0, delete 0, find 0/0 [ 84.163441] lowmem_reserve[]: [ 84.163443] Free swap = 0kB [ 84.163444] 0Total swap = 0kB [ 84.163447] 01965979 pages RAM [ 84.163450] 00 pages HighMem/MovableOnly [ 84.163453] 313617 pages reserved [ 84.163455] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 6*4kB (H) 7*8kB (H) 15*16kB (H) 12*32kB (H) 10*64kB (H) 6*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 3392kB 129 total pagecache pages [ 84.163538] 0 pages in swap cache [ 84.163542] Swap cache stats: add 0, delete 0, find 0/0 [ 84.163544] Free swap = 0kB [ 84.163546] Total swap = 0kB [ 84.163548] 1965979 pages RAM [ 84.163550] 0 pages HighMem/MovableOnly [ 84.163553] 313617 pages reserved [ 84.172857] Node 0 active_anon:22552kB inactive_anon:164kB active_file:116kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:80kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 84.172875] DMA32 free:32kB min:4696kB low:7712kB high:10728kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:92kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:20kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 84.172878] 0 3505 3505Normal free:3372kB min:5580kB low:9168kB high:12756kB active_anon:22432kB inactive_anon:164kB active_file:116kB inactive_file:144kB unevictable:0kB writepending:80kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18224kB slab_unreclaimable:228768kB kernel_stack:4160kB pagetables:1772kB bounce:0kB free_pcp:256kB local_pcp:208kB free_cma:0kB lowmem_reserve[]: [ 84.172905] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 6*4kB (H) 7*8kB (H) 15*16kB (H) 12*32kB (H) 10*64kB (H) 6*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 3392kB 129 total pagecache pages [ 84.172997] 0 pages in swap cache [ 84.173001] Swap cache stats: add 0, delete 0, find 0/0 [ 84.173003] Free swap = 0kB [ 84.173005] Total swap = 0kB [ 84.173007] 1965979 pages RAM [ 84.173009] 0 pages HighMem/MovableOnly [ 84.173011] 313617 pages reserved [ 84.178433] oom_reaper: reaped process 2274 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 84.178484] oom_reaper: reaped process 2251 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 84.178602] oom_reaper: reaped process 2262 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 84.178653] oom_reaper: reaped process 2280 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 84.178790] oom_reaper: reaped process 2284 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 84.178841] oom_reaper: reaped process 2272 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 84.178961] oom_reaper: reaped process 2269 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 84.179077] oom_reaper: reaped process 2279 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 84.179128] oom_reaper: reaped process 2282 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 84.179179] oom_reaper: reaped process 2261 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 84.181451] syz-executor2 invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 84.181458] CPU: 1 PID: 2102 Comm: syz-executor2 Not tainted 4.9.141+ #1 [ 84.181462] ffff8801cec276f8 [ 84.181465] ffffffff81b42e79 ffff8801cec27ab8 ffffffff833e92b0 0000000000000000 [ 84.181476] ffff8801cec27ad0 0000000000000000 ffff8801cec27778 ffffffff814fb526 [ 84.181487] 0000000000000000 0000000000000000 ffffffff82816fa5Call Trace: [ 84.181505] [] dump_stack+0xc1/0x128 [ 84.181513] [] dump_header.isra.4+0x142/0x747 [ 84.181521] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 84.181529] [] ? ___ratelimit+0x53/0x401 [ 84.181537] [] oom_kill_process.cold.10+0xd/0xa6e [ 84.181545] [] ? has_capability_noaudit+0x24/0x30 [ 84.181554] [] ? check_preemption_disabled+0x3b/0x200 [ 84.181562] [] ? out_of_memory+0x6d4/0xe90 [ 84.181570] [] out_of_memory+0x292/0xe90 [ 84.181578] [] ? out_of_memory+0x410/0xe90 [ 84.181586] [] ? oom_killer_disable+0x200/0x200 [ 84.181593] [] ? trace_hardirqs_on+0xd/0x10 [ 84.181601] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 84.181610] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 84.181618] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 84.181627] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 84.181635] [] ? check_preemption_disabled+0x3b/0x200 [ 84.181643] [] ? find_get_entry+0x11a/0x570 [ 84.181650] [] ? find_get_entry+0x141/0x570 [ 84.181657] [] ? page_cache_prev_hole+0x80/0x80 [ 84.181665] [] ? pagecache_get_page+0x131/0x710 [ 84.181673] [] filemap_fault+0xaf1/0x1110 [ 84.181682] [] ext4_filemap_fault+0x71/0xa0 [ 84.181689] [] __do_fault+0x223/0x500 [ 84.181707] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 84.181716] [] ? generic_file_readonly_mmap+0x190/0x190 [ 84.181723] [] handle_mm_fault+0x1326/0x2350 [ 84.181731] [] ? vm_insert_page+0x6f0/0x6f0 [ 84.181738] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 84.181746] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 84.181755] [] __do_page_fault+0x403/0xa60 [ 84.181763] [] ? bad_area_access_error+0x3a0/0x3a0 [ 84.181772] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.181780] [] do_page_fault+0x27/0x30 [ 84.181787] [] page_fault+0x25/0x30 [ 84.181790] Mem-Info: [ 84.181807] active_anon:5563 inactive_anon:41 isolated_anon:0 [ 84.181807] active_file:29 inactive_file:36 isolated_file:0 [ 84.181807] unevictable:0 dirty:20 writeback:0 unstable:0 [ 84.181807] slab_reclaimable:4556 slab_unreclaimable:57215 [ 84.181807] mapped:0 shmem:48 pagetables:443 bounce:0 [ 84.181807] free:851 free_pcp:108 free_cma:0 [ 84.181821] Node 0 active_anon:22252kB inactive_anon:164kB active_file:116kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:80kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 84.181840] DMA32 free:32kB min:4696kB low:7712kB high:10728kB active_anon:20kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:92kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:20kB free_cma:0kB lowmem_reserve[]: [ 84.181843] 0 3505 3505Normal free:3372kB min:5580kB low:9168kB high:12756kB active_anon:22232kB inactive_anon:164kB active_file:116kB inactive_file:144kB unevictable:0kB writepending:80kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18224kB slab_unreclaimable:228768kB kernel_stack:4160kB pagetables:1772kB bounce:0kB free_pcp:312kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: [ 84.181872] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 6*4kB (H) 7*8kB (H) 15*16kB (H) 12*32kB (H) 10*64kB (H) 6*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 3392kB 129 total pagecache pages [ 84.181989] 0 pages in swap cache [ 84.181993] Swap cache stats: add 0, delete 0, find 0/0 [ 84.181996] Free swap = 0kB [ 84.181998] Total swap = 0kB [ 84.182000] 1965979 pages RAM [ 84.182002] 0 pages HighMem/MovableOnly [ 84.182005] 313617 pages reserved [ 84.182007] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 84.182023] [ 470] 0 470 5402 190 16 3 0 -1000 udevd [ 84.182034] [ 583] 0 583 5756 538 16 3 0 -1000 udevd [ 84.182045] [ 584] 0 584 5364 170 15 3 0 -1000 udevd [ 84.182056] [ 1760] 0 1760 2492 573 8 3 0 0 dhclient [ 84.182067] [ 1893] 0 1893 14231 109 23 3 0 0 rsyslogd [ 84.182077] [ 1944] 0 1944 4724 51 15 3 0 0 cron [ 84.182088] [ 1966] 0 1966 3734 44 11 3 0 0 mcstransd [ 84.182099] [ 1976] 0 1976 12926 1233 26 4 0 0 restorecond [ 84.182110] [ 1988] 0 1988 12489 152 30 3 0 -1000 sshd [ 84.182120] [ 2025] 0 2025 3648 40 12 3 0 0 getty [ 84.182131] [ 2074] 0 2074 17820 198 38 3 0 0 sshd [ 84.182142] [ 2076] 0 2076 33456 1782 28 5 0 0 syz-execprog [ 84.182152] [ 2087] 0 2087 3648 42 13 3 0 0 getty [ 84.182163] [ 2088] 0 2088 3648 43 13 3 0 0 getty [ 84.182173] [ 2089] 0 2089 3648 42 12 3 0 0 getty [ 84.182184] [ 2090] 0 2090 3648 42 13 3 0 0 getty [ 84.182194] [ 2091] 0 2091 3648 43 13 3 0 0 getty [ 84.182204] [ 2092] 0 2092 3648 43 13 3 0 0 getty [ 84.182222] [ 2100] 0 2100 9375 16 5 2 0 0 syz-executor2 [ 84.182233] [ 2101] 0 2101 9375 16 4 2 0 0 syz-executor0 [ 84.182243] [ 2102] 0 2102 9375 17 6 3 0 0 syz-executor2 [ 84.182254] [ 2103] 0 2103 9375 17 5 2 0 0 syz-executor3 [ 84.182265] [ 2104] 0 2104 9375 17 5 3 0 0 syz-executor0 [ 84.182275] [ 2105] 0 2105 9375 15 5 2 0 0 syz-executor5 [ 84.182286] [ 2106] 0 2106 9375 18 6 3 0 0 syz-executor3 [ 84.182297] [ 2107] 0 2107 9375 15 5 2 0 0 syz-executor1 [ 84.182307] [ 2108] 0 2108 9375 16 6 3 0 0 syz-executor5 [ 84.182318] [ 2109] 0 2109 9375 16 5 2 0 0 syz-executor4 [ 84.182329] [ 2110] 0 2110 9375 16 6 3 0 0 syz-executor1 [ 84.182339] [ 2111] 0 2111 9375 17 6 3 0 0 syz-executor4 [ 84.182351] [ 2251] 0 2249 9474 0 9 4 0 1000 syz-executor5 [ 84.182362] [ 2256] 0 2254 9474 0 9 4 0 1000 syz-executor2 [ 84.182373] [ 2261] 0 2258 9474 0 8 4 0 1000 syz-executor0 [ 84.182385] [ 2262] 0 2259 9474 0 9 4 0 1000 syz-executor3 [ 84.182396] [ 2269] 0 2267 9474 0 9 4 0 1000 syz-executor4 [ 84.182407] [ 2272] 0 2270 9474 0 9 4 0 1000 syz-executor1 [ 84.182413] Out of memory: Kill process 2076 (syz-execprog) score 1 or sacrifice child [ 84.182804] Killed process 2103 (syz-executor3) total-vm:37500kB, anon-rss:68kB, file-rss:0kB, shmem-rss:0kB [ 84.206820] syz-executor2 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 84.206828] CPU: 0 PID: 2256 Comm: syz-executor2 Not tainted 4.9.141+ #1 [ 84.206832] ffff8801c14f7658 [ 84.206835] ffffffff81b42e79 ffff8801c14f7a18 ffffffff833e92b0 00000000000003e8 [ 84.206847] ffff8801c14f7a30 0000000000000000 ffff8801c14f76d8 ffffffff814fb526 [ 84.206857] 0000000000000000 00000000000003e8 ffffffff82816fa5Call Trace: [ 84.206877] [] dump_stack+0xc1/0x128 [ 84.206886] [] dump_header.isra.4+0x142/0x747 [ 84.206894] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 84.206902] [] ? ___ratelimit+0x53/0x401 [ 84.206910] [] oom_kill_process.cold.10+0xd/0xa6e [ 84.206918] [] ? has_capability_noaudit+0x24/0x30 [ 84.206927] [] ? check_preemption_disabled+0x3b/0x200 [ 84.206935] [] ? out_of_memory+0x6d4/0xe90 [ 84.206943] [] out_of_memory+0x292/0xe90 [ 84.206950] [] ? out_of_memory+0x410/0xe90 [ 84.206958] [] ? oom_killer_disable+0x200/0x200 [ 84.206965] [] ? trace_hardirqs_on+0xd/0x10 [ 84.206974] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 84.206982] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 84.206989] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 84.206998] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 84.207006] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 84.207015] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.207024] [] __vmalloc_node_range+0x25b/0x600 [ 84.207032] [] ? xt_alloc_table_info+0xc9/0x100 [ 84.207039] [] vmalloc+0x5b/0x70 [ 84.207046] [] ? xt_alloc_table_info+0xc9/0x100 [ 84.207054] [] xt_alloc_table_info+0xc9/0x100 [ 84.207063] [] do_replace.isra.7+0xfd/0x470 [ 84.207070] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 84.207079] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 84.207087] [] ? selinux_capable+0x36/0x40 [ 84.207095] [] ? ns_capable_common+0x12a/0x150 [ 84.207103] [] do_arpt_set_ctl+0xff/0x140 [ 84.207112] [] nf_setsockopt+0x6d/0xc0 [ 84.207120] [] ip_setsockopt+0x88/0xa0 [ 84.207127] [] tcp_setsockopt+0x88/0xe0 [ 84.207136] [] sock_common_setsockopt+0x9a/0xe0 [ 84.207143] [] SyS_setsockopt+0x166/0x260 [ 84.207150] [] ? SyS_recv+0x40/0x40 [ 84.207158] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 84.207166] [] ? SyS_clock_settime+0x220/0x220 [ 84.207173] [] ? do_syscall_64+0x48/0x550 [ 84.207179] [] ? SyS_recv+0x40/0x40 [ 84.207186] [] do_syscall_64+0x19f/0x550 [ 84.207194] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 84.207197] Mem-Info: [ 84.207213] active_anon:5538 inactive_anon:41 isolated_anon:0 [ 84.207213] active_file:29 inactive_file:36 isolated_file:0 [ 84.207213] unevictable:0 dirty:20 writeback:0 unstable:0 [ 84.207213] slab_reclaimable:4556 slab_unreclaimable:57215 [ 84.207213] mapped:0 shmem:48 pagetables:443 bounce:0 [ 84.207213] free:851 free_pcp:126 free_cma:0 [ 84.207227] Node 0 active_anon:22152kB inactive_anon:164kB active_file:116kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:80kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 84.207246] DMA32 free:32kB min:4696kB low:7712kB high:10728kB active_anon:20kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:92kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: [ 84.207249] 0 3505 3505Normal free:3372kB min:5580kB low:9168kB high:12756kB active_anon:22132kB inactive_anon:164kB active_file:116kB inactive_file:144kB unevictable:0kB writepending:80kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18224kB slab_unreclaimable:228768kB kernel_stack:4128kB pagetables:1772kB bounce:0kB free_pcp:384kB local_pcp:336kB free_cma:0kB lowmem_reserve[]: [ 84.207277] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 6*4kB (H) 7*8kB (H) 15*16kB (H) 13*32kB (UH) 10*64kB (H) 6*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 3424kB 129 total pagecache pages [ 84.207370] 0 pages in swap cache [ 84.207374] Swap cache stats: add 0, delete 0, find 0/0 [ 84.207376] Free swap = 0kB [ 84.207379] Total swap = 0kB [ 84.207381] 1965979 pages RAM [ 84.207383] 0 pages HighMem/MovableOnly [ 84.207385] 313617 pages reserved [ 84.207388] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 84.207402] [ 470] 0 470 5402 190 16 3 0 -1000 udevd [ 84.207413] [ 583] 0 583 5756 538 16 3 0 -1000 udevd [ 84.207424] [ 584] 0 584 5364 170 15 3 0 -1000 udevd [ 84.207435] [ 1760] 0 1760 2492 573 8 3 0 0 dhclient [ 84.207445] [ 1893] 0 1893 14231 109 23 3 0 0 rsyslogd [ 84.207456] [ 1944] 0 1944 4724 51 15 3 0 0 cron [ 84.207467] [ 1966] 0 1966 3734 44 11 3 0 0 mcstransd [ 84.207477] [ 1976] 0 1976 12926 1233 26 4 0 0 restorecond [ 84.207488] [ 1988] 0 1988 12489 152 30 3 0 -1000 sshd [ 84.207499] [ 2025] 0 2025 3648 40 12 3 0 0 getty [ 84.207510] [ 2074] 0 2074 17820 198 38 3 0 0 sshd [ 84.207520] [ 2076] 0 2076 33456 1782 28 5 0 0 syz-execprog [ 84.207531] [ 2087] 0 2087 3648 42 13 3 0 0 getty [ 84.207542] [ 2088] 0 2088 3648 43 13 3 0 0 getty [ 84.207552] [ 2089] 0 2089 3648 42 12 3 0 0 getty [ 84.207563] [ 2090] 0 2090 3648 42 13 3 0 0 getty [ 84.207573] [ 2091] 0 2091 3648 43 13 3 0 0 getty [ 84.207584] [ 2092] 0 2092 3648 43 13 3 0 0 getty [ 84.207594] [ 2100] 0 2100 9375 16 5 2 0 0 syz-executor2 [ 84.207605] [ 2101] 0 2101 9375 16 4 2 0 0 syz-executor0 [ 84.207616] [ 2102] 0 2102 9375 17 6 3 0 0 syz-executor2 [ 84.207627] [ 2104] 0 2104 9375 17 5 3 0 0 syz-executor0 [ 84.207638] [ 2105] 0 2105 9375 15 5 2 0 0 syz-executor5 [ 84.207648] [ 2106] 0 2106 9375 18 6 3 0 0 syz-executor3 [ 84.207659] [ 2107] 0 2107 9375 15 5 2 0 0 syz-executor1 [ 84.207670] [ 2108] 0 2108 9375 16 6 3 0 0 syz-executor5 [ 84.207680] [ 2109] 0 2109 9375 16 5 2 0 0 syz-executor4 [ 84.207691] [ 2110] 0 2110 9375 16 6 3 0 0 syz-executor1 [ 84.207717] [ 2111] 0 2111 9375 17 6 3 0 0 syz-executor4 [ 84.207729] [ 2251] 0 2249 9474 0 9 4 0 1000 syz-executor5 [ 84.207740] [ 2256] 0 2254 9474 0 9 4 0 1000 syz-executor2 [ 84.207751] [ 2261] 0 2258 9474 0 8 4 0 1000 syz-executor0 [ 84.207762] [ 2262] 0 2259 9474 0 9 4 0 1000 syz-executor3 [ 84.207773] [ 2269] 0 2267 9474 0 9 4 0 1000 syz-executor4 [ 84.207784] [ 2272] 0 2270 9474 0 9 4 0 1000 syz-executor1 [ 84.207789] Out of memory: Kill process 2076 (syz-execprog) score 1 or sacrifice child [ 84.208030] Killed process 2109 (syz-executor4) total-vm:37500kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 84.283073] syz-execprog invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 84.283082] CPU: 1 PID: 2080 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 84.283088] ffff8801cdd6f6f8 [ 84.283091] ffffffff81b42e79 ffff8801cdd6fab8 ffffffff833e92b0 0000000000000000 [ 84.283103] ffff8801cdd6fad0 0000000000000000 ffff8801cdd6f778 ffffffff814fb526 [ 84.283113] 0000000000000000 0000000000000000 ffffffff82816fa5Call Trace: [ 84.283136] [] dump_stack+0xc1/0x128 [ 84.283146] [] dump_header.isra.4+0x142/0x747 [ 84.283155] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 84.283163] [] ? ___ratelimit+0x53/0x401 [ 84.283171] [] oom_kill_process.cold.10+0xd/0xa6e [ 84.283181] [] ? has_capability_noaudit+0x24/0x30 [ 84.283190] [] ? check_preemption_disabled+0x3b/0x200 [ 84.283199] [] ? out_of_memory+0x6d4/0xe90 [ 84.283214] [] out_of_memory+0x292/0xe90 [ 84.283222] [] ? out_of_memory+0x410/0xe90 [ 84.283230] [] ? oom_killer_disable+0x200/0x200 [ 84.283238] [] ? trace_hardirqs_on+0xd/0x10 [ 84.283247] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 84.283255] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 84.283263] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 84.283272] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 84.283280] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 84.283288] [] ? find_get_entry+0x11a/0x570 [ 84.283295] [] ? find_get_entry+0x141/0x570 [ 84.283302] [] ? page_cache_prev_hole+0x80/0x80 [ 84.283311] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 84.283319] [] ? pagecache_get_page+0x131/0x710 [ 84.283327] [] filemap_fault+0xaf1/0x1110 [ 84.283336] [] ext4_filemap_fault+0x71/0xa0 [ 84.283343] [] __do_fault+0x223/0x500 [ 84.283350] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 84.283358] [] ? generic_file_readonly_mmap+0x190/0x190 [ 84.283366] [] handle_mm_fault+0x1326/0x2350 [ 84.283373] [] ? vm_insert_page+0x6f0/0x6f0 [ 84.283383] [] ? kvm_clock_read+0x23/0x40 [ 84.283390] [] ? kvm_clock_get_cycles+0x9/0x10 [ 84.283397] [] ? memset+0x31/0x40 [ 84.283406] [] __do_page_fault+0x403/0xa60 [ 84.283414] [] ? bad_area_access_error+0x3a0/0x3a0 [ 84.283424] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.283431] [] do_page_fault+0x27/0x30 [ 84.283445] [] page_fault+0x25/0x30 [ 84.283448] Mem-Info: [ 84.283466] active_anon:5519 inactive_anon:41 isolated_anon:0 [ 84.283466] active_file:23 inactive_file:36 isolated_file:0 [ 84.283466] unevictable:0 dirty:13 writeback:3 unstable:0 [ 84.283466] slab_reclaimable:4556 slab_unreclaimable:57228 [ 84.283466] mapped:4 shmem:48 pagetables:443 bounce:0 [ 84.283466] free:856 free_pcp:144 free_cma:0 [ 84.283480] Node 0 active_anon:22076kB inactive_anon:164kB active_file:92kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:52kB writeback:12kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:18 all_unreclaimable? yes [ 84.283500] DMA32 free:32kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:92kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:20kB free_cma:0kB lowmem_reserve[]: [ 84.283504] 0 3505 3505Normal free:3392kB min:5580kB low:9168kB high:12756kB active_anon:22076kB inactive_anon:164kB active_file:92kB inactive_file:144kB unevictable:0kB writepending:64kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18224kB slab_unreclaimable:228820kB kernel_stack:4096kB pagetables:1772kB bounce:0kB free_pcp:456kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: [ 84.283533] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 6*4kB (H) 7*8kB (H) 15*16kB (H) 14*32kB (UH) 10*64kB (H) 6*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 3456kB 117 total pagecache pages [ 84.283633] 0 pages in swap cache [ 84.283637] Swap cache stats: add 0, delete 0, find 0/0 [ 84.283639] Free swap = 0kB [ 84.283641] Total swap = 0kB [ 84.283644] 1965979 pages RAM [ 84.283646] 0 pages HighMem/MovableOnly [ 84.283648] 313617 pages reserved [ 84.283651] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 84.283666] [ 470] 0 470 5402 190 16 3 0 -1000 udevd [ 84.283677] [ 583] 0 583 5756 538 16 3 0 -1000 udevd [ 84.283688] [ 584] 0 584 5364 170 15 3 0 -1000 udevd [ 84.283708] [ 1760] 0 1760 2492 573 8 3 0 0 dhclient [ 84.283719] [ 1893] 0 1893 14231 109 23 3 0 0 rsyslogd [ 84.283735] [ 1944] 0 1944 4724 51 15 3 0 0 cron [ 84.283746] [ 1966] 0 1966 3734 44 11 3 0 0 mcstransd [ 84.283757] [ 1976] 0 1976 12926 1233 26 4 0 0 restorecond [ 84.283767] [ 1988] 0 1988 12489 152 30 3 0 -1000 sshd [ 84.283778] [ 2025] 0 2025 3648 40 12 3 0 0 getty [ 84.283789] [ 2074] 0 2074 17820 198 38 3 0 0 sshd [ 84.283799] [ 2076] 0 2076 33456 1782 28 5 0 0 syz-execprog [ 84.283810] [ 2087] 0 2087 3648 42 13 3 0 0 getty [ 84.283820] [ 2088] 0 2088 3648 43 13 3 0 0 getty [ 84.283831] [ 2089] 0 2089 3648 42 12 3 0 0 getty [ 84.283842] [ 2090] 0 2090 3648 42 13 3 0 0 getty [ 84.283853] [ 2091] 0 2091 3648 43 13 3 0 0 getty [ 84.283863] [ 2092] 0 2092 3648 43 13 3 0 0 getty [ 84.283874] [ 2100] 0 2100 9375 16 5 2 0 0 syz-executor2 [ 84.283885] [ 2101] 0 2101 9375 16 4 2 0 0 syz-executor0 [ 84.283896] [ 2102] 0 2102 9375 17 6 3 0 0 syz-executor2 [ 84.283908] [ 2104] 0 2104 9375 17 5 3 0 0 syz-executor0 [ 84.283919] [ 2105] 0 2105 9375 15 5 2 0 0 syz-executor5 [ 84.283929] [ 2106] 0 2106 9375 18 6 3 0 0 syz-executor3 [ 84.283940] [ 2107] 0 2107 9375 15 5 2 0 0 syz-executor1 [ 84.283951] [ 2108] 0 2108 9375 16 6 3 0 0 syz-executor5 [ 84.283963] [ 2110] 0 2110 9375 16 6 3 0 0 syz-executor1 [ 84.283973] [ 2111] 0 2111 9375 17 6 3 0 0 syz-executor4 [ 84.283985] [ 2251] 0 2249 9474 0 9 4 0 1000 syz-executor5 [ 84.283997] [ 2256] 0 2254 9474 0 9 4 0 1000 syz-executor2 [ 84.284008] [ 2261] 0 2258 9474 0 8 4 0 1000 syz-executor0 [ 84.284020] [ 2262] 0 2259 9474 0 9 4 0 1000 syz-executor3 [ 84.284031] [ 2269] 0 2267 9474 0 9 4 0 1000 syz-executor4 [ 84.284043] [ 2272] 0 2270 9474 0 9 4 0 1000 syz-executor1 [ 84.284049] Out of memory: Kill process 2076 (syz-execprog) score 1 or sacrifice child [ 84.284102] Killed process 2100 (syz-executor2) total-vm:37500kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 84.343893] syz-execprog invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 84.343902] CPU: 1 PID: 2080 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 84.343907] ffff8801cdd6f6f8 [ 84.343910] ffffffff81b42e79 ffff8801cdd6fab8 ffffffff833e92b0 0000000000000000 [ 84.343922] ffff8801cdd6fad0 0000000000000000 ffff8801cdd6f778 ffffffff814fb526 [ 84.343933] 0000000000000000 0000000000000000 ffffffff82816fa5Call Trace: [ 84.343955] [] dump_stack+0xc1/0x128 [ 84.343965] [] dump_header.isra.4+0x142/0x747 [ 84.343974] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 84.343982] [] ? ___ratelimit+0x53/0x401 [ 84.343991] [] oom_kill_process.cold.10+0xd/0xa6e [ 84.344000] [] ? has_capability_noaudit+0x24/0x30 [ 84.344009] [] ? check_preemption_disabled+0x3b/0x200 [ 84.344018] [] ? out_of_memory+0x6d4/0xe90 [ 84.344026] [] out_of_memory+0x292/0xe90 [ 84.344033] [] ? out_of_memory+0x410/0xe90 [ 84.344041] [] ? oom_killer_disable+0x200/0x200 [ 84.344049] [] ? trace_hardirqs_on+0xd/0x10 [ 84.344058] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 84.344066] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 84.344074] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 84.344084] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 84.344091] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 84.344099] [] ? find_get_entry+0x11a/0x570 [ 84.344106] [] ? find_get_entry+0x141/0x570 [ 84.344114] [] ? page_cache_prev_hole+0x80/0x80 [ 84.344123] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 84.344130] [] ? pagecache_get_page+0x131/0x710 [ 84.344138] [] filemap_fault+0xaf1/0x1110 [ 84.344147] [] ext4_filemap_fault+0x71/0xa0 [ 84.344155] [] __do_fault+0x223/0x500 [ 84.344162] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 84.344170] [] ? generic_file_readonly_mmap+0x190/0x190 [ 84.344178] [] handle_mm_fault+0x1326/0x2350 [ 84.344185] [] ? vm_insert_page+0x6f0/0x6f0 [ 84.344194] [] ? kvm_clock_read+0x23/0x40 [ 84.344202] [] ? kvm_clock_get_cycles+0x9/0x10 [ 84.344217] [] ? memset+0x31/0x40 [ 84.344232] [] __do_page_fault+0x403/0xa60 [ 84.344240] [] ? bad_area_access_error+0x3a0/0x3a0 [ 84.344250] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.344257] [] do_page_fault+0x27/0x30 [ 84.344265] [] page_fault+0x25/0x30 [ 84.344269] Mem-Info: [ 84.344286] active_anon:5497 inactive_anon:41 isolated_anon:0 [ 84.344286] active_file:19 inactive_file:30 isolated_file:0 [ 84.344286] unevictable:0 dirty:13 writeback:0 unstable:0 [ 84.344286] slab_reclaimable:4556 slab_unreclaimable:57243 [ 84.344286] mapped:3 shmem:48 pagetables:428 bounce:0 [ 84.344286] free:872 free_pcp:162 free_cma:0 [ 84.344301] Node 0 active_anon:21988kB inactive_anon:164kB active_file:76kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:52kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 84.344326] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:96kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:20kB free_cma:0kB lowmem_reserve[]: [ 84.344330] 0 3505 3505Normal free:3488kB min:5580kB low:9168kB high:12756kB active_anon:21988kB inactive_anon:164kB active_file:76kB inactive_file:120kB unevictable:0kB writepending:52kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18224kB slab_unreclaimable:228876kB kernel_stack:4064kB pagetables:1712kB bounce:0kB free_pcp:528kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: [ 84.344358] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 6*4kB (H) 7*8kB (H) 15*16kB (H) 15*32kB (UH) 10*64kB (H) 6*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 3488kB 97 total pagecache pages [ 84.344457] 0 pages in swap cache [ 84.344462] Swap cache stats: add 0, delete 0, find 0/0 [ 84.344464] Free swap = 0kB [ 84.344466] Total swap = 0kB [ 84.344469] 1965979 pages RAM [ 84.344471] 0 pages HighMem/MovableOnly [ 84.344473] 313617 pages reserved [ 84.344476] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 84.344491] [ 470] 0 470 5402 190 16 3 0 -1000 udevd [ 84.344502] [ 583] 0 583 5756 538 16 3 0 -1000 udevd [ 84.344513] [ 584] 0 584 5364 170 15 3 0 -1000 udevd [ 84.344524] [ 1760] 0 1760 2492 573 8 3 0 0 dhclient [ 84.344535] [ 1893] 0 1893 14231 109 23 3 0 0 rsyslogd [ 84.344545] [ 1944] 0 1944 4724 51 15 3 0 0 cron [ 84.344556] [ 1966] 0 1966 3734 44 11 3 0 0 mcstransd [ 84.344567] [ 1976] 0 1976 12926 1233 26 4 0 0 restorecond [ 84.344578] [ 1988] 0 1988 12489 152 30 3 0 -1000 sshd [ 84.344588] [ 2025] 0 2025 3648 40 12 3 0 0 getty [ 84.344599] [ 2074] 0 2074 17820 198 38 3 0 0 sshd [ 84.344610] [ 2076] 0 2076 33456 1782 28 5 0 0 syz-execprog [ 84.344620] [ 2087] 0 2087 3648 42 13 3 0 0 getty [ 84.344631] [ 2088] 0 2088 3648 43 13 3 0 0 getty [ 84.344641] [ 2089] 0 2089 3648 42 12 3 0 0 getty [ 84.344652] [ 2090] 0 2090 3648 42 13 3 0 0 getty [ 84.344663] [ 2091] 0 2091 3648 43 13 3 0 0 getty [ 84.344673] [ 2092] 0 2092 3648 43 13 3 0 0 getty [ 84.344685] [ 2101] 0 2101 9375 16 4 2 0 0 syz-executor0 [ 84.344705] [ 2102] 0 2102 9375 17 6 3 0 0 syz-executor2 [ 84.344717] [ 2104] 0 2104 9375 17 5 3 0 0 syz-executor0 [ 84.344728] [ 2105] 0 2105 9375 15 5 2 0 0 syz-executor5 [ 84.344738] [ 2106] 0 2106 9375 18 6 3 0 0 syz-executor3 [ 84.344749] [ 2107] 0 2107 9375 15 5 2 0 0 syz-executor1 [ 84.344760] [ 2108] 0 2108 9375 16 6 3 0 0 syz-executor5 [ 84.344772] [ 2110] 0 2110 9375 16 6 3 0 0 syz-executor1 [ 84.344782] [ 2111] 0 2111 9375 17 6 3 0 0 syz-executor4 [ 84.344794] [ 2251] 0 2249 9474 0 9 4 0 1000 syz-executor5 [ 84.344805] [ 2256] 0 2254 9474 0 9 4 0 1000 syz-executor2 [ 84.344816] [ 2261] 0 2258 9474 0 8 4 0 1000 syz-executor0 [ 84.344827] [ 2262] 0 2259 9474 0 9 4 0 1000 syz-executor3 [ 84.344839] [ 2269] 0 2267 9474 0 9 4 0 1000 syz-executor4 [ 84.344851] [ 2272] 0 2270 9474 0 9 4 0 1000 syz-executor1 [ 84.344856] Out of memory: Kill process 2076 (syz-execprog) score 1 or sacrifice child [ 84.344906] Killed process 2101 (syz-executor0) total-vm:37500kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 84.418759] lowmemorykiller: Killing 'syz-execprog' (2076) (tgid 2076), adj 0, [ 84.418759] to free 7128kB on behalf of 'syz-execprog' (2079) because [ 84.418759] cache 196kB is below limit 6144kB for oom_score_adj 0 [ 84.418759] Free memory is -34016kB above reserved [ 84.432604] oom_reaper: reaped process 2096 (syz-execprog), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 84.435510] syz-execprog invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 84.435519] CPU: 1 PID: 2080 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 84.435524] ffff8801cdd6f6f8 [ 84.435528] ffffffff81b42e79 ffff8801cdd6fab8 ffffffff833e92b0 0000000000000000 [ 84.435539] ffff8801cdd6fad0 0000000000000000 ffff8801cdd6f778 ffffffff814fb526 [ 84.435550] 0000000000000000 0000000000000000 ffffffff82816fa5Call Trace: [ 84.435582] [] dump_stack+0xc1/0x128 [ 84.435593] [] dump_header.isra.4+0x142/0x747 [ 84.435602] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 84.435610] [] ? ___ratelimit+0x53/0x401 [ 84.435619] [] oom_kill_process.cold.10+0xd/0xa6e [ 84.435633] [] ? has_capability_noaudit+0x24/0x30 [ 84.435642] [] ? check_preemption_disabled+0x3b/0x200 [ 84.435651] [] ? out_of_memory+0x6d4/0xe90 [ 84.435659] [] out_of_memory+0x292/0xe90 [ 84.435666] [] ? out_of_memory+0x410/0xe90 [ 84.435674] [] ? oom_killer_disable+0x200/0x200 [ 84.435683] [] ? trace_hardirqs_on+0xd/0x10 [ 84.435691] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 84.435710] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 84.435717] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 84.435726] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 84.435734] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 84.435741] [] ? find_get_entry+0x11a/0x570 [ 84.435748] [] ? find_get_entry+0x141/0x570 [ 84.435756] [] ? page_cache_prev_hole+0x80/0x80 [ 84.435765] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 84.435773] [] ? pagecache_get_page+0x131/0x710 [ 84.435780] [] filemap_fault+0xaf1/0x1110 [ 84.435789] [] ext4_filemap_fault+0x71/0xa0 [ 84.435796] [] __do_fault+0x223/0x500 [ 84.435803] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 84.435812] [] ? generic_file_readonly_mmap+0x190/0x190 [ 84.435820] [] handle_mm_fault+0x1326/0x2350 [ 84.435828] [] ? vm_insert_page+0x6f0/0x6f0 [ 84.435837] [] ? kvm_clock_read+0x23/0x40 [ 84.435844] [] ? kvm_clock_get_cycles+0x9/0x10 [ 84.435851] [] ? memset+0x31/0x40 [ 84.435860] [] __do_page_fault+0x403/0xa60 [ 84.435868] [] ? bad_area_access_error+0x3a0/0x3a0 [ 84.435878] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.435885] [] do_page_fault+0x27/0x30 [ 84.435893] [] page_fault+0x25/0x30 [ 84.435897] Mem-Info: [ 84.435915] active_anon:3697 inactive_anon:41 isolated_anon:0 [ 84.435915] active_file:19 inactive_file:30 isolated_file:0 [ 84.435915] unevictable:0 dirty:13 writeback:0 unstable:0 [ 84.435915] slab_reclaimable:4556 slab_unreclaimable:57053 [ 84.435915] mapped:3 shmem:48 pagetables:428 bounce:0 [ 84.435915] free:1366 free_pcp:325 free_cma:0 [ 84.435928] Node 0 active_anon:14788kB inactive_anon:164kB active_file:76kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:52kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 84.435948] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:96kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:20kB free_cma:0kB lowmem_reserve[]: [ 84.435952] 0 3505 3505Normal free:5464kB min:5580kB low:9168kB high:12756kB active_anon:14788kB inactive_anon:164kB active_file:76kB inactive_file:120kB unevictable:0kB writepending:52kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18224kB slab_unreclaimable:228116kB kernel_stack:3776kB pagetables:1712kB bounce:0kB free_pcp:1180kB local_pcp:740kB free_cma:0kB lowmem_reserve[]: [ 84.435980] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 67*4kB (UMH) 29*8kB (UMH) 34*16kB (UMH) 29*32kB (UMH) 19*64kB (UMH) 8*128kB (MH) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5492kB 97 total pagecache pages [ 84.436080] 0 pages in swap cache [ 84.436084] Swap cache stats: add 0, delete 0, find 0/0 [ 84.436086] Free swap = 0kB [ 84.436088] Total swap = 0kB [ 84.436091] 1965979 pages RAM [ 84.436093] 0 pages HighMem/MovableOnly [ 84.436095] 313617 pages reserved [ 84.436098] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 84.436113] [ 470] 0 470 5402 190 16 3 0 -1000 udevd [ 84.436124] [ 583] 0 583 5756 538 16 3 0 -1000 udevd [ 84.436135] [ 584] 0 584 5364 170 15 3 0 -1000 udevd [ 84.436146] [ 1760] 0 1760 2492 573 8 3 0 0 dhclient [ 84.436157] [ 1893] 0 1893 14231 109 23 3 0 0 rsyslogd [ 84.436168] [ 1944] 0 1944 4724 51 15 3 0 0 cron [ 84.436178] [ 1966] 0 1966 3734 44 11 3 0 0 mcstransd [ 84.436189] [ 1976] 0 1976 12926 1233 26 4 0 0 restorecond [ 84.436200] [ 1988] 0 1988 12489 152 30 3 0 -1000 sshd [ 84.436219] [ 2025] 0 2025 3648 40 12 3 0 0 getty [ 84.436230] [ 2074] 0 2074 17820 198 38 3 0 0 sshd [ 84.436241] [ 2079] 0 2076 33456 0 28 5 0 0 syz-execprog [ 84.436252] [ 2087] 0 2087 3648 42 13 3 0 0 getty [ 84.436263] [ 2088] 0 2088 3648 43 13 3 0 0 getty [ 84.436273] [ 2089] 0 2089 3648 42 12 3 0 0 getty [ 84.436284] [ 2090] 0 2090 3648 42 13 3 0 0 getty [ 84.436295] [ 2091] 0 2091 3648 43 13 3 0 0 getty [ 84.436306] [ 2092] 0 2092 3648 43 13 3 0 0 getty [ 84.436318] [ 2102] 0 2102 9375 17 6 3 0 0 syz-executor2 [ 84.436330] [ 2104] 0 2104 9375 17 5 3 0 0 syz-executor0 [ 84.436341] [ 2105] 0 2105 9375 15 5 2 0 0 syz-executor5 [ 84.436352] [ 2106] 0 2106 9375 18 6 3 0 0 syz-executor3 [ 84.436363] [ 2107] 0 2107 9375 15 5 2 0 0 syz-executor1 [ 84.436374] [ 2108] 0 2108 9375 16 6 3 0 0 syz-executor5 [ 84.436386] [ 2110] 0 2110 9375 16 6 3 0 0 syz-executor1 [ 84.436397] [ 2111] 0 2111 9375 17 6 3 0 0 syz-executor4 [ 84.436408] [ 2251] 0 2249 9474 0 9 4 0 1000 syz-executor5 [ 84.436420] [ 2256] 0 2254 9474 0 9 4 0 1000 syz-executor2 [ 84.436431] [ 2261] 0 2258 9474 0 8 4 0 1000 syz-executor0 [ 84.436443] [ 2262] 0 2259 9474 0 9 4 0 1000 syz-executor3 [ 84.436454] [ 2269] 0 2267 9474 0 9 4 0 1000 syz-executor4 [ 84.436465] [ 2272] 0 2270 9474 0 9 4 0 1000 syz-executor1 [ 84.436471] Out of memory: Kill process 1976 (restorecond) score 0 or sacrifice child [ 84.436497] Killed process 1976 (restorecond) total-vm:51704kB, anon-rss:4932kB, file-rss:0kB, shmem-rss:0kB [ 84.530917] syz-executor2 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 84.530926] CPU: 1 PID: 2256 Comm: syz-executor2 Not tainted 4.9.141+ #1 [ 84.530931] ffff8801c14f7658 [ 84.530934] ffffffff81b42e79 ffff8801c14f7a18 ffffffff833e92b0 00000000000003e8 [ 84.530946] ffff8801c14f7a30 0000000000000000 ffff8801c14f76d8 ffffffff814fb526 [ 84.530957] 0000000000000000 00000000000003e8 ffffffff82816fa5Call Trace: [ 84.530979] [] dump_stack+0xc1/0x128 [ 84.530989] [] dump_header.isra.4+0x142/0x747 [ 84.530998] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 84.531006] [] ? ___ratelimit+0x53/0x401 [ 84.531014] [] oom_kill_process.cold.10+0xd/0xa6e [ 84.531023] [] ? check_preemption_disabled+0x3b/0x200 [ 84.531032] [] ? out_of_memory+0x6d4/0xe90 [ 84.531040] [] out_of_memory+0x292/0xe90 [ 84.531047] [] ? out_of_memory+0x410/0xe90 [ 84.531055] [] ? oom_killer_disable+0x200/0x200 [ 84.531064] [] ? trace_hardirqs_on+0xd/0x10 [ 84.531072] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 84.531080] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 84.531088] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 84.531097] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 84.531104] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 84.531114] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.531138] [] __vmalloc_node_range+0x25b/0x600 [ 84.531147] [] ? xt_alloc_table_info+0xc9/0x100 [ 84.531153] [] vmalloc+0x5b/0x70 [ 84.531160] [] ? xt_alloc_table_info+0xc9/0x100 [ 84.531167] [] xt_alloc_table_info+0xc9/0x100 [ 84.531176] [] do_replace.isra.7+0xfd/0x470 [ 84.531183] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 84.531192] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 84.531222] [] ? selinux_capable+0x36/0x40 [ 84.531232] [] ? ns_capable_common+0x12a/0x150 [ 84.531240] [] do_arpt_set_ctl+0xff/0x140 [ 84.531248] [] nf_setsockopt+0x6d/0xc0 [ 84.531257] [] ip_setsockopt+0x88/0xa0 [ 84.531265] [] tcp_setsockopt+0x88/0xe0 [ 84.531274] [] sock_common_setsockopt+0x9a/0xe0 [ 84.531281] [] SyS_setsockopt+0x166/0x260 [ 84.531288] [] ? SyS_recv+0x40/0x40 [ 84.531297] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 84.531305] [] ? SyS_clock_settime+0x220/0x220 [ 84.531311] [] ? do_syscall_64+0x48/0x550 [ 84.531318] [] ? SyS_recv+0x40/0x40 [ 84.531325] [] do_syscall_64+0x19f/0x550 [ 84.531333] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 84.531337] Mem-Info: [ 84.531354] active_anon:2322 inactive_anon:41 isolated_anon:0 [ 84.531354] active_file:43 inactive_file:45 isolated_file:0 [ 84.531354] unevictable:0 dirty:13 writeback:0 unstable:0 [ 84.531354] slab_reclaimable:4556 slab_unreclaimable:56852 [ 84.531354] mapped:3 shmem:48 pagetables:354 bounce:0 [ 84.531354] free:1386 free_pcp:30 free_cma:0 [ 84.531369] Node 0 active_anon:9288kB inactive_anon:164kB active_file:172kB inactive_file:180kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:52kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:180 all_unreclaimable? no [ 84.531388] DMA32 free:100kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:96kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 84.531392] 0 3505 3505Normal free:5444kB min:5580kB low:9168kB high:12756kB active_anon:9288kB inactive_anon:164kB active_file:172kB inactive_file:180kB unevictable:0kB writepending:52kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18224kB slab_unreclaimable:227312kB kernel_stack:3552kB pagetables:1416kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: [ 84.531419] 0 0 0DMA32: 2*4kB (M) 4*8kB (M) 1*16kB (M) 0*32kB 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 120kB Normal: 111*4kB (MH) 35*8kB (UMH) 16*16kB (MH) 18*32kB (UMH) 27*64kB (UMH) 5*128kB (H) 2*256kB (H) 2*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5460kB 183 total pagecache pages [ 84.531525] 0 pages in swap cache [ 84.531529] Swap cache stats: add 0, delete 0, find 0/0 [ 84.531532] Free swap = 0kB [ 84.531534] Total swap = 0kB [ 84.531536] 1965979 pages RAM [ 84.531539] 0 pages HighMem/MovableOnly [ 84.531541] 313617 pages reserved [ 84.531543] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 84.531559] [ 470] 0 470 5402 190 16 3 0 -1000 udevd [ 84.531570] [ 583] 0 583 5756 538 16 3 0 -1000 udevd [ 84.531581] [ 584] 0 584 5364 170 15 3 0 -1000 udevd [ 84.531592] [ 1760] 0 1760 2492 573 8 3 0 0 dhclient [ 84.531603] [ 1893] 0 1893 14231 109 23 3 0 0 rsyslogd [ 84.531613] [ 1944] 0 1944 4724 51 15 3 0 0 cron [ 84.531624] [ 1966] 0 1966 3734 44 11 3 0 0 mcstransd [ 84.531636] [ 1988] 0 1988 12489 152 30 3 0 -1000 sshd [ 84.531646] [ 2025] 0 2025 3648 40 12 3 0 0 getty [ 84.531657] [ 2074] 0 2074 17820 198 38 3 0 0 sshd [ 84.531669] [ 2087] 0 2087 3648 42 13 3 0 0 getty [ 84.531680] [ 2088] 0 2088 3648 43 13 3 0 0 getty [ 84.531690] [ 2089] 0 2089 3648 42 12 3 0 0 getty [ 84.531712] [ 2090] 0 2090 3648 42 13 3 0 0 getty [ 84.531723] [ 2091] 0 2091 3648 43 13 3 0 0 getty [ 84.531734] [ 2092] 0 2092 3648 43 13 3 0 0 getty [ 84.531756] [ 2251] 0 2249 9474 0 9 4 0 1000 syz-executor5 [ 84.531768] [ 2256] 0 2254 9474 0 9 4 0 1000 syz-executor2 [ 84.531779] [ 2261] 0 2258 9474 0 8 4 0 1000 syz-executor0 [ 84.531791] [ 2262] 0 2259 9474 0 9 4 0 1000 syz-executor3 [ 84.531802] [ 2269] 0 2267 9474 0 9 4 0 1000 syz-executor4 [ 84.531814] [ 2272] 0 2270 9474 0 9 4 0 1000 syz-executor1 [ 84.531820] Out of memory: Kill process 1760 (dhclient) score 0 or sacrifice child [ 84.531849] Killed process 1760 (dhclient) total-vm:9968kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 84.612953] syz-executor2 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 84.612962] CPU: 1 PID: 2256 Comm: syz-executor2 Not tainted 4.9.141+ #1 [ 84.612968] ffff8801c14f7658 [ 84.612971] ffffffff81b42e79 ffff8801c14f7a18 ffffffff833e92b0 00000000000003e8 [ 84.612982] ffff8801c14f7a30 0000000000000000 ffff8801c14f76d8 ffffffff814fb526 [ 84.612994] 0000000000000000 00000000000003e8 ffffffff82816fa5Call Trace: [ 84.613015] [] dump_stack+0xc1/0x128 [ 84.613025] [] dump_header.isra.4+0x142/0x747 [ 84.613034] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 84.613043] [] ? ___ratelimit+0x53/0x401 [ 84.613051] [] oom_kill_process.cold.10+0xd/0xa6e [ 84.613060] [] ? check_preemption_disabled+0x3b/0x200 [ 84.613069] [] ? out_of_memory+0x6d4/0xe90 [ 84.613077] [] out_of_memory+0x292/0xe90 [ 84.613084] [] ? out_of_memory+0x410/0xe90 [ 84.613093] [] ? oom_killer_disable+0x200/0x200 [ 84.613101] [] ? trace_hardirqs_on+0xd/0x10 [ 84.613110] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 84.613118] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 84.613126] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 84.613135] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 84.613142] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 84.613152] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.613162] [] __vmalloc_node_range+0x25b/0x600 [ 84.613170] [] ? xt_alloc_table_info+0xc9/0x100 [ 84.613177] [] vmalloc+0x5b/0x70 [ 84.613185] [] ? xt_alloc_table_info+0xc9/0x100 [ 84.613192] [] xt_alloc_table_info+0xc9/0x100 [ 84.613201] [] do_replace.isra.7+0xfd/0x470 [ 84.613216] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 84.613225] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 84.613233] [] ? selinux_capable+0x36/0x40 [ 84.613243] [] ? ns_capable_common+0x12a/0x150 [ 84.613251] [] do_arpt_set_ctl+0xff/0x140 [ 84.613260] [] nf_setsockopt+0x6d/0xc0 [ 84.613269] [] ip_setsockopt+0x88/0xa0 [ 84.613276] [] tcp_setsockopt+0x88/0xe0 [ 84.613285] [] sock_common_setsockopt+0x9a/0xe0 [ 84.613293] [] SyS_setsockopt+0x166/0x260 [ 84.613300] [] ? SyS_recv+0x40/0x40 [ 84.613309] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 84.613317] [] ? SyS_clock_settime+0x220/0x220 [ 84.613324] [] ? do_syscall_64+0x48/0x550 [ 84.613331] [] ? SyS_recv+0x40/0x40 [ 84.613338] [] do_syscall_64+0x19f/0x550 [ 84.613346] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 84.613349] Mem-Info: [ 84.613368] active_anon:1772 inactive_anon:41 isolated_anon:0 [ 84.613368] active_file:12 inactive_file:17 isolated_file:0 [ 84.613368] unevictable:0 dirty:13 writeback:0 unstable:0 [ 84.613368] slab_reclaimable:4556 slab_unreclaimable:56852 [ 84.613368] mapped:3 shmem:48 pagetables:317 bounce:0 [ 84.613368] free:1418 free_pcp:30 free_cma:0 [ 84.613382] Node 0 active_anon:7088kB inactive_anon:164kB active_file:48kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:52kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:64 all_unreclaimable? no [ 84.613402] DMA32 free:100kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:96kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 84.613406] 0 3505 3505Normal free:5572kB min:5580kB low:9168kB high:12756kB active_anon:7088kB inactive_anon:164kB active_file:48kB inactive_file:68kB unevictable:0kB writepending:52kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18224kB slab_unreclaimable:227312kB kernel_stack:3520kB pagetables:1268kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: [ 84.613434] 0 0 0DMA32: 2*4kB (M) 4*8kB (M) 1*16kB (M) 0*32kB 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 120kB Normal: 311*4kB (UMH) 90*8kB (UMH) 23*16kB (UMH) 12*32kB (UH) 10*64kB (H) 5*128kB (H) 2*256kB (H) 2*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5532kB 133 total pagecache pages [ 84.613540] 0 pages in swap cache [ 84.613544] Swap cache stats: add 0, delete 0, find 0/0 [ 84.613547] Free swap = 0kB [ 84.613549] Total swap = 0kB [ 84.613551] 1965979 pages RAM [ 84.613553] 0 pages HighMem/MovableOnly [ 84.613556] 313617 pages reserved [ 84.613558] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 84.613574] [ 470] 0 470 5402 190 16 3 0 -1000 udevd [ 84.613585] [ 583] 0 583 5756 538 16 3 0 -1000 udevd [ 84.613596] [ 584] 0 584 5364 170 15 3 0 -1000 udevd [ 84.613607] [ 1893] 0 1893 14231 109 23 3 0 0 rsyslogd [ 84.613617] [ 1944] 0 1944 4724 51 15 3 0 0 cron [ 84.613628] [ 1966] 0 1966 3734 44 11 3 0 0 mcstransd [ 84.613639] [ 1988] 0 1988 12489 152 30 3 0 -1000 sshd [ 84.613650] [ 2025] 0 2025 3648 40 12 3 0 0 getty [ 84.613660] [ 2074] 0 2074 17820 197 38 3 0 0 sshd [ 84.613672] [ 2087] 0 2087 3648 42 13 3 0 0 getty [ 84.613682] [ 2088] 0 2088 3648 43 13 3 0 0 getty [ 84.613693] [ 2089] 0 2089 3648 42 12 3 0 0 getty [ 84.613714] [ 2090] 0 2090 3648 42 13 3 0 0 getty [ 84.613725] [ 2091] 0 2091 3648 43 13 3 0 0 getty [ 84.613735] [ 2092] 0 2092 3648 43 13 3 0 0 getty [ 84.613753] [ 2251] 0 2249 9474 0 9 4 0 1000 syz-executor5 [ 84.613771] [ 2256] 0 2254 9474 0 9 4 0 1000 syz-executor2 [ 84.613782] [ 2261] 0 2258 9474 0 8 4 0 1000 syz-executor0 [ 84.613793] [ 2262] 0 2259 9474 0 9 4 0 1000 syz-executor3 [ 84.613805] [ 2269] 0 2267 9474 0 9 4 0 1000 syz-executor4 [ 84.613817] [ 2272] 0 2270 9474 0 9 4 0 1000 syz-executor1 [ 84.613822] Out of memory: Kill process 2074 (sshd) score 0 or sacrifice child [ 84.613851] Killed process 2074 (sshd) total-vm:71280kB, anon-rss:784kB, file-rss:0kB, shmem-rss:4kB [ 84.640113] sshd invoked oom-killer: gfp_mask=0x24002c0(GFP_KERNEL|__GFP_NOWARN), nodemask=0, order=2, oom_score_adj=0 [ 84.640122] CPU: 1 PID: 2074 Comm: sshd Not tainted 4.9.141+ #1 [ 84.640127] ffff8801ce5af048 [ 84.640131] ffffffff81b42e79 ffff8801ce5af408 ffffffff833e92b0 0000000000000000 [ 84.640142] ffff8801ce5af420 0000000000000002 ffff8801ce5af0c8 ffffffff814fb526 [ 84.640153] 0000000000000002 0000000000000000 ffffffff82816fa5Call Trace: [ 84.640174] [] dump_stack+0xc1/0x128 [ 84.640183] [] dump_header.isra.4+0x142/0x747 [ 84.640192] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 84.640200] [] ? ___ratelimit+0x53/0x401 [ 84.640218] [] oom_kill_process.cold.10+0xd/0xa6e [ 84.640227] [] ? check_preemption_disabled+0x3b/0x200 [ 84.640235] [] ? out_of_memory+0x6d4/0xe90 [ 84.640243] [] out_of_memory+0x292/0xe90 [ 84.640251] [] ? out_of_memory+0x410/0xe90 [ 84.640259] [] ? oom_killer_disable+0x200/0x200 [ 84.640266] [] ? trace_hardirqs_on+0xd/0x10 [ 84.640275] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 84.640283] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 84.640293] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 84.640300] [] ? trace_hardirqs_on+0x10/0x10 [ 84.640309] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 84.640318] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 84.640325] [] ? unwind_next_frame+0x7d/0xd0 [ 84.640334] [] depot_save_stack+0x436/0x470 [ 84.640342] [] kasan_kmalloc.part.1+0xc9/0xf0 [ 84.640351] [] ? save_stack_trace+0x16/0x20 [ 84.640358] [] ? kasan_kmalloc.part.1+0x62/0xf0 [ 84.640365] [] ? kasan_kmalloc+0xaf/0xc0 [ 84.640372] [] ? kasan_slab_alloc+0x12/0x20 [ 84.640381] [] ? kmem_cache_alloc+0xd5/0x2b0 [ 84.640390] [] ? __alloc_skb+0xe6/0x5b0 [ 84.640399] [] ? tcp_send_fin+0x1da/0xab0 [ 84.640406] [] ? tcp_close+0xd83/0x1070 [ 84.640415] [] ? inet_release+0xff/0x1d0 [ 84.640424] [] ? __sock_release+0xd7/0x260 [ 84.640432] [] ? sock_close+0x19/0x20 [ 84.640440] [] ? __fput+0x263/0x700 [ 84.640446] [] ? ____fput+0x15/0x20 [ 84.640455] [] ? task_work_run+0x10c/0x180 [ 84.640462] [] ? do_exit+0x78d/0x2a50 [ 84.640469] [] ? do_group_exit+0x111/0x300 [ 84.640482] [] ? get_signal+0x4e1/0x1460 [ 84.640490] [] ? do_signal+0x95/0x1b00 [ 84.640500] [] ? exit_to_usermode_loop+0x10e/0x150 [ 84.640508] [] ? prepare_exit_to_usermode+0x145/0x1b0 [ 84.640515] [] ? retint_user+0x8/0x3c [ 84.640524] [] ? kasan_unpoison_shadow+0x35/0x50 [ 84.640531] [] kasan_kmalloc+0xaf/0xc0 [ 84.640539] [] ? __alloc_skb+0xe6/0x5b0 [ 84.640546] [] kasan_slab_alloc+0x12/0x20 [ 84.640554] [] kmem_cache_alloc+0xd5/0x2b0 [ 84.640562] [] __alloc_skb+0xe6/0x5b0 [ 84.640571] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 84.640578] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 84.640586] [] tcp_send_fin+0x1da/0xab0 [ 84.640593] [] ? tcp_set_state+0x165/0x3f0 [ 84.640600] [] tcp_close+0xd83/0x1070 [ 84.640608] [] ? __sock_release+0x8b/0x260 [ 84.640616] [] ? ip_mc_drop_socket+0x1d3/0x230 [ 84.640624] [] inet_release+0xff/0x1d0 [ 84.640632] [] __sock_release+0xd7/0x260 [ 84.640640] [] ? __sock_release+0x260/0x260 [ 84.640647] [] sock_close+0x19/0x20 [ 84.640654] [] __fput+0x263/0x700 [ 84.640662] [] ____fput+0x15/0x20 [ 84.640669] [] task_work_run+0x10c/0x180 [ 84.640676] [] do_exit+0x78d/0x2a50 [ 84.640683] [] ? trace_hardirqs_on+0x10/0x10 [ 84.640691] [] ? release_task.part.4+0x14b0/0x14b0 [ 84.640710] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 84.640719] [] ? __dequeue_signal+0x79/0x5f0 [ 84.640727] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 84.640735] [] ? recalc_sigpending+0x72/0x90 [ 84.640743] [] ? dequeue_signal+0xc4/0x4b0 [ 84.640751] [] ? check_preemption_disabled+0x3b/0x200 [ 84.640758] [] do_group_exit+0x111/0x300 [ 84.640765] [] get_signal+0x4e1/0x1460 [ 84.640772] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 84.640780] [] do_signal+0x95/0x1b00 [ 84.640788] [] ? handle_mm_fault+0x54b/0x2350 [ 84.640796] [] ? vm_insert_page+0x6f0/0x6f0 [ 84.640804] [] ? setup_sigcontext+0x7d0/0x7d0 [ 84.640811] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 84.640820] [