INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-kasan-gce-4,10.128.15.193' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 45.411369] syzkaller483116 invoked oom-killer: gfp_mask=0x14000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 45.412995] syzkaller483116 cpuset=/ mems_allowed=0 [ 45.413983] CPU: 1 PID: 2986 Comm: syzkaller483116 Not tainted 4.14.0-rc5+ #141 [ 45.414971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.416237] Call Trace: [ 45.416610] dump_stack+0x194/0x257 [ 45.417119] ? arch_local_irq_restore+0x53/0x53 [ 45.417777] dump_header+0x234/0xa0e [ 45.418334] ? check_noncircular+0x20/0x20 [ 45.418910] ? task_will_free_mem+0x252/0xaa0 [ 45.419529] ? pagefault_out_of_memory+0x152/0x152 [ 45.420213] ? ___ratelimit+0x30d/0x630 [ 45.420761] ? lock_downgrade+0x990/0x990 [ 45.421337] ? do_raw_spin_trylock+0x190/0x190 [ 45.421982] ? mark_held_locks+0xaf/0x100 [ 45.422553] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 45.423277] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.423962] ? trace_hardirqs_on+0xd/0x10 [ 45.424538] ? ___ratelimit+0x95/0x630 [ 45.425077] ? idr_get_free_cmn+0xfd0/0xfd0 [ 45.425682] ? find_held_lock+0x35/0x1d0 [ 45.426259] oom_kill_process+0x86d/0x13d0 [ 45.426835] ? lock_downgrade+0x990/0x990 [ 45.427413] ? lock_release+0xa40/0xa40 [ 45.427986] ? oom_evaluate_task+0x480/0x480 [ 45.428590] ? security_capable_noaudit+0x8b/0xc0 [ 45.429272] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 45.429964] ? has_capability+0x30/0x30 [ 45.430508] ? mark_held_locks+0xaf/0x100 [ 45.431106] ? check_noncircular+0x20/0x20 [ 45.432691] ? has_capability_noaudit+0x24/0x30 [ 45.437343] ? oom_badness+0xdf/0xb80 [ 45.441134] ? lock_downgrade+0x990/0x990 [ 45.445272] ? find_lock_task_mm+0x460/0x460 [ 45.449659] ? lock_release+0xa40/0xa40 [ 45.453632] ? find_held_lock+0x35/0x1d0 [ 45.457687] ? out_of_memory+0xaa9/0x11d0 [ 45.461818] ? lock_downgrade+0x990/0x990 [ 45.465955] ? lock_release+0xa40/0xa40 [ 45.469910] ? lock_acquire+0x1d5/0x580 [ 45.473864] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 45.478862] ? oom_evaluate_task+0x284/0x480 [ 45.483253] out_of_memory+0x7dc/0x11d0 [ 45.487223] ? oom_killer_disable+0x310/0x310 [ 45.491696] ? mutex_trylock+0x23a/0x2d0 [ 45.495742] ? __lock_is_held+0xb6/0x140 [ 45.499783] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 45.505235] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 45.510118] ? warn_alloc+0x2f0/0x2f0 [ 45.513900] ? lock_downgrade+0x990/0x990 [ 45.518027] ? do_raw_spin_trylock+0x190/0x190 [ 45.522585] ? mark_held_locks+0xaf/0x100 [ 45.527259] ? _raw_spin_unlock_irq+0x27/0x70 [ 45.531726] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.536707] ? trace_hardirqs_on+0xd/0x10 [ 45.540824] ? mark_held_locks+0xaf/0x100 [ 45.544939] ? check_noncircular+0x20/0x20 [ 45.549139] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.554134] ? retint_kernel+0x10/0x10 [ 45.558005] ? __lock_is_held+0xb6/0x140 [ 45.562054] ? check_same_owner+0x320/0x320 [ 45.566343] ? __lock_is_held+0xb6/0x140 [ 45.570375] ? __might_sleep+0x95/0x190 [ 45.574320] __alloc_pages_nodemask+0x9fb/0xd80 [ 45.578959] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 45.583950] ? mark_held_locks+0xaf/0x100 [ 45.588066] ? retint_kernel+0x10/0x10 [ 45.591922] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.596907] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.601647] alloc_pages_current+0xb6/0x1e0 [ 45.605933] ? __sanitizer_cov_trace_pc+0x1/0x60 [ 45.610658] relay_open_buf.part.10+0x22e/0x9b0 [ 45.615303] relay_open+0x57a/0xa40 [ 45.618901] ? relay_open_buf.part.10+0x9b0/0x9b0 [ 45.623713] ? __debugfs_create_file+0x2cc/0x3e0 [ 45.628441] ? debugfs_create_file+0x57/0x70 [ 45.632820] do_blk_trace_setup+0x4a4/0xcf0 [ 45.637111] ? blk_tracer_print_line+0x40/0x40 [ 45.641661] ? __might_sleep+0x95/0x190 [ 45.645608] ? kasan_check_write+0x14/0x20 [ 45.649808] ? _copy_from_user+0x99/0x110 [ 45.653924] blk_trace_setup+0xbd/0x180 [ 45.657865] ? do_blk_trace_setup+0xcf0/0xcf0 [ 45.662339] ? avc_has_extended_perms+0x6e5/0x12c0 [ 45.667236] sg_ioctl+0xc71/0x2d90 [ 45.670742] ? lock_release+0xa40/0xa40 [ 45.674680] ? __handle_mm_fault+0x587/0x39c0 [ 45.679144] ? sg_new_write.isra.20+0x830/0x830 [ 45.683784] ? is_bpf_text_address+0xa4/0x120 [ 45.688250] ? avc_has_extended_perms+0x7fa/0x12c0 [ 45.693155] ? avc_ss_reset+0x110/0x110 [ 45.697100] ? find_held_lock+0x35/0x1d0 [ 45.701141] ? __do_page_fault+0x64c/0xd60 [ 45.705343] ? lock_downgrade+0x990/0x990 [ 45.709464] ? handle_mm_fault+0x410/0x8d0 [ 45.713680] ? check_same_owner+0x320/0x320 [ 45.717965] ? up_read+0x1a/0x40 [ 45.721297] ? __do_page_fault+0x3d6/0xd60 [ 45.725509] ? sg_new_write.isra.20+0x830/0x830 [ 45.730144] do_vfs_ioctl+0x1b1/0x1520 [ 45.734009] ? ioctl_preallocate+0x2b0/0x2b0 [ 45.738393] ? selinux_capable+0x40/0x40 [ 45.742424] ? putname+0xf3/0x130 [ 45.745846] ? do_sys_open+0x320/0x6d0 [ 45.749710] ? security_file_ioctl+0x89/0xb0 [ 45.754091] SyS_ioctl+0x8f/0xc0 [ 45.757429] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 45.762148] RIP: 0033:0x443ec9 [ 45.765303] RSP: 002b:00007ffeeec46728 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 [ 45.772975] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443ec9 [ 45.780210] RDX: 000000002084cf90 RSI: 00000000c0481273 RDI: 0000000000000003 [ 45.787449] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 45.794685] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000401bb0 [ 45.801919] R13: 0000000000401c40 R14: 0000000000000000 R15: 0000000000000000 [ 45.809244] Mem-Info: [ 45.812710] active_anon:2276 inactive_anon:32 isolated_anon:0 [ 45.812710] active_file:269 inactive_file:322 isolated_file:0 [ 45.812710] unevictable:0 dirty:574 writeback:0 unstable:0 [ 45.812710] slab_reclaimable:5851 slab_unreclaimable:83095 [ 45.812710] mapped:2 shmem:39 pagetables:269 bounce:0 [ 45.812710] free:24122 free_pcp:344 free_cma:0 [ 45.845176] Node 0 active_anon:9104kB inactive_anon:128kB active_file:1076kB inactive_file:1316kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:2296kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 45.872488] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.898593] lowmem_reserve[]: 0 2886 6399 6399 [ 45.903172] Node 0 DMA32 free:44156kB min:30408kB low:38008kB high:45608kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2958344kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.930318] lowmem_reserve[]: 0 0 3513 3513 [ 45.934641] Node 0 Normal free:36424kB min:37008kB low:46260kB high:55512kB active_anon:9104kB inactive_anon:128kB active_file:1076kB inactive_file:1316kB unevictable:0kB writepending:2296kB present:4718592kB managed:3597452kB mlocked:0kB kernel_stack:2656kB pagetables:1076kB bounce:0kB free_pcp:1376kB local_pcp:720kB free_cma:0kB [ 45.964507] lowmem_reserve[]: 0 0 0 0 [ 45.968325] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 45.981986] Node 0 DMA32: 3*4kB (UM) 2*8kB (M) 4*16kB (UM) 1*32kB (U) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 2*512kB (M) 1*1024kB (M) 4*2048kB (UM) 8*4096kB (M) = 44156kB [ 45.997217] Node 0 Normal: 522*4kB (UMEH) 346*8kB (ME) 241*16kB (ME) 154*32kB (MEH) 82*64kB (UME) 39*128kB (ME) 15*256kB (MEH) 7*512kB (MEH) 3*1024kB (UM) 1*2048kB (M) 0*4096kB = 36424kB [ 46.014067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 46.022625] 637 total pagecache pages [ 46.026411] 0 pages in swap cache [ 46.029848] Swap cache stats: add 0, delete 0, find 0/0 [ 46.035195] Free swap = 0kB [ 46.038207] Total swap = 0kB [ 46.041214] 1965979 pages RAM [ 46.044313] 0 pages HighMem/MovableOnly [ 46.048284] 323053 pages reserved [ 46.051736] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 46.060446] [ 1514] 0 1514 5342 122 17 3 0 -1000 udevd [ 46.069220] [ 1615] 0 1615 5340 123 16 3 0 -1000 udevd [ 46.077960] [ 1616] 0 1616 5340 124 16 3 0 -1000 udevd [ 46.086699] [ 2738] 0 2738 2493 574 9 3 0 0 dhclient [ 46.095702] [ 2872] 0 2872 14265 108 23 3 0 0 rsyslogd [ 46.104713] [ 2907] 0 2907 4725 49 14 3 0 0 cron [ 46.113369] [ 2933] 0 2933 12490 153 28 3 0 -1000 sshd [ 46.122044] [ 2957] 0 2957 3694 41 13 3 0 0 getty [ 46.130790] [ 2958] 0 2958 3694 41 13 3 0 0 getty [ 46.139527] [ 2959] 0 2959 3694 41 13 3 0 0 getty [ 46.148265] [ 2960] 0 2960 3694 40 12 3 0 0 getty [ 46.157033] [ 2961] 0 2961 3694 39 13 3 0 0 getty [ 46.165781] [ 2962] 0 2962 3694 40 13 3 0 0 getty [ 46.174523] [ 2963] 0 2963 3649 40 13 3 0 0 getty [ 46.183263] [ 2984] 0 2984 17821 196 39 3 0 0 sshd [ 46.191913] [ 2986] 0 2986 4383 513 6 2 0 0 syzkaller483116 [ 46.201516] Out of memory: Kill process 2738 (dhclient) score 0 or sacrifice child [ 46.209569] Killed process 2738 (dhclient) total-vm:9972kB, anon-rss:2296kB, file-rss:0kB, shmem-rss:0kB [ 48.625548] rsyslogd invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 48.638379] rsyslogd cpuset=/ mems_allowed=0 [ 48.642843] CPU: 0 PID: 2875 Comm: rsyslogd Not tainted 4.14.0-rc5+ #141 [ 48.649644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.658962] Call Trace: [ 48.661518] dump_stack+0x194/0x257 [ 48.665116] ? arch_local_irq_restore+0x53/0x53 [ 48.669765] dump_header+0x234/0xa0e [ 48.673448] ? check_noncircular+0x20/0x20 [ 48.677647] ? task_will_free_mem+0x252/0xaa0 [ 48.682112] ? pagefault_out_of_memory+0x152/0x152 [ 48.687014] ? ___ratelimit+0x30d/0x630 [ 48.690955] ? lock_downgrade+0x990/0x990 [ 48.695074] ? do_raw_spin_trylock+0x190/0x190 [ 48.699627] ? mark_held_locks+0xaf/0x100 [ 48.703743] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 48.708812] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 48.713792] ? trace_hardirqs_on+0xd/0x10 [ 48.717909] ? ___ratelimit+0x95/0x630 [ 48.721773] ? idr_get_free_cmn+0xfd0/0xfd0 [ 48.726066] ? find_held_lock+0x35/0x1d0 [ 48.730108] oom_kill_process+0x86d/0x13d0 [ 48.734309] ? lock_downgrade+0x990/0x990 [ 48.738428] ? lock_release+0xa40/0xa40 [ 48.742376] ? oom_evaluate_task+0x480/0x480 [ 48.746756] ? security_capable_noaudit+0x8b/0xc0 [ 48.751570] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 48.756639] ? has_capability+0x30/0x30 [ 48.760588] ? check_noncircular+0x20/0x20 [ 48.764788] ? has_capability_noaudit+0x24/0x30 [ 48.769426] ? oom_badness+0xdf/0xb80 [ 48.773193] ? lock_downgrade+0x990/0x990 [ 48.777310] ? find_lock_task_mm+0x460/0x460 [ 48.781686] ? lock_release+0xa40/0xa40 [ 48.785636] ? find_held_lock+0x35/0x1d0 [ 48.789669] ? out_of_memory+0xaa9/0x11d0 [ 48.793783] ? lock_downgrade+0x990/0x990 [ 48.797900] ? lock_release+0xa40/0xa40 [ 48.801837] ? lock_acquire+0x1d5/0x580 [ 48.805779] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 48.810767] ? oom_evaluate_task+0x284/0x480 [ 48.815143] out_of_memory+0x7dc/0x11d0 [ 48.819080] ? trace_hardirqs_on+0xd/0x10 [ 48.823200] ? oom_killer_disable+0x310/0x310 [ 48.827665] ? mutex_trylock+0x23a/0x2d0 [ 48.831696] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 48.837116] ? __alloc_pages_direct_compact+0xc2/0x330 [ 48.842363] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 48.847194] ? warn_alloc+0x2f0/0x2f0 [ 48.850964] ? warn_alloc+0x2f0/0x2f0 [ 48.854730] ? __lock_acquire+0x6aa/0x3d50 [ 48.858932] ? warn_alloc+0x2f0/0x2f0 [ 48.862697] ? __lock_acquire+0x6aa/0x3d50 [ 48.866908] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.872070] ? check_noncircular+0x20/0x20 [ 48.876279] ? should_fail+0x23b/0xa40 [ 48.880132] ? find_held_lock+0x35/0x1d0 [ 48.884161] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 48.889259] ? check_same_owner+0x320/0x320 [ 48.893557] ? __might_sleep+0x95/0x190 [ 48.897502] __alloc_pages_nodemask+0x9fb/0xd80 [ 48.902146] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 48.907125] ? __alloc_pages_nodemask+0xadb/0xd80 [ 48.911939] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 48.916918] ? find_held_lock+0x35/0x1d0 [ 48.920966] ? cache_grow_begin+0x31b/0x400 [ 48.925257] cache_grow_begin+0x86/0x400 [ 48.929304] fallback_alloc+0x13b/0x2a0 [ 48.933259] ____cache_alloc_node+0x1cc/0x1e0 [ 48.937726] kmem_cache_alloc_trace+0x27d/0x750 [ 48.942358] ? dl_cpu_busy+0x370/0x370 [ 48.946223] do_syslog+0x5d7/0xb80 [ 48.949732] ? log_buf_vmcoreinfo_setup+0x120/0x120 [ 48.954714] ? finish_wait+0x490/0x490 [ 48.958571] ? __lock_is_held+0xb6/0x140 [ 48.962601] kmsg_read+0x74/0xa0 [ 48.965932] ? kmsg_poll+0xa0/0xa0 [ 48.969438] proc_reg_read+0xef/0x170 [ 48.973207] ? proc_reg_write+0x170/0x170 [ 48.977321] __vfs_read+0xef/0xa00 [ 48.980832] ? vfs_copy_file_range+0x940/0x940 [ 48.985382] ? fsnotify+0x1af0/0x1af0 [ 48.989153] ? __inode_security_revalidate+0xd9/0x130 [ 48.994311] ? avc_policy_seqno+0x9/0x20 [ 48.998338] ? selinux_file_permission+0x82/0x460 [ 49.003151] ? security_file_permission+0x89/0x1e0 [ 49.008047] ? rw_verify_area+0xe5/0x2b0 [ 49.012072] ? __fdget_raw+0x20/0x20 [ 49.015755] vfs_read+0x11e/0x350 [ 49.019178] SyS_read+0xef/0x220 [ 49.022522] ? kernel_write+0x120/0x120 [ 49.026459] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.031443] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.036173] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 49.040899] RIP: 0033:0x7f15fc4a01fd [ 49.044583] RSP: 002b:00007f15f9a3fe30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 49.052256] RAX: ffffffffffffffda RBX: 00000000024ac170 RCX: 00007f15fc4a01fd [ 49.059491] RDX: 0000000000000fff RSI: 00007f15fb2745a0 RDI: 0000000000000004 [ 49.066725] RBP: 0000000000000082 R08: 0000000002497260 R09: 0000000000000000 [ 49.073959] R10: 3a6874706564206b R11: 0000000000000293 R12: 00000000024e2f90 [ 49.081191] R13: 0000000000016e61 R14: 0000000000000000 R15: 0000000000000004 [ 49.088502] Mem-Info: [ 49.091558] active_anon:1702 inactive_anon:32 isolated_anon:0 [ 49.091558] active_file:269 inactive_file:329 isolated_file:0 [ 49.091558] unevictable:0 dirty:574 writeback:0 unstable:0 [ 49.091558] slab_reclaimable:5849 slab_unreclaimable:83035 [ 49.091558] mapped:2 shmem:39 pagetables:260 bounce:0 [ 49.091558] free:24268 free_pcp:33 free_cma:0 [ 49.123929] Node 0 active_anon:6808kB inactive_anon:128kB active_file:1076kB inactive_file:1316kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:2296kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 49.152657] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.178835] lowmem_reserve[]: 0 2886 6399 6399 [ 49.183433] Node 0 DMA32 free:44156kB min:30408kB low:38008kB high:45608kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2958344kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.210579] lowmem_reserve[]: 0 0 3513 3513 [ 49.214933] Node 0 Normal free:37008kB min:37008kB low:46260kB high:55512kB active_anon:6808kB inactive_anon:128kB active_file:1076kB inactive_file:1288kB unevictable:0kB writepending:2296kB present:4718592kB managed:3597452kB mlocked:0kB kernel_stack:2624kB pagetables:1040kB bounce:0kB free_pcp:140kB local_pcp:20kB free_cma:0kB [ 49.244158] lowmem_reserve[]: 0 0 0 0 [ 49.247951] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 49.261557] Node 0 DMA32: 3*4kB (UM) 2*8kB (M) 4*16kB (UM) 1*32kB (U) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 2*512kB (M) 1*1024kB (M) 4*2048kB (UM) 8*4096kB (M) = 44156kB [ 49.276792] Node 0 Normal: 482*4kB (UME) 311*8kB (UME) 229*16kB (ME) 142*32kB (UME) 69*64kB (ME) 34*128kB (UME) 17*256kB (UME) 8*512kB (UME) 5*1024kB (M) 1*2048kB (M) 0*4096kB = 37008kB [ 49.293490] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 49.302050] 637 total pagecache pages [ 49.305832] 0 pages in swap cache [ 49.309264] Swap cache stats: add 0, delete 0, find 0/0 [ 49.314609] Free swap = 0kB [ 49.317606] Total swap = 0kB [ 49.320604] 1965979 pages RAM [ 49.323686] 0 pages HighMem/MovableOnly [ 49.327637] 323053 pages reserved [ 49.331067] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 49.339754] [ 1514] 0 1514 5342 122 17 3 0 -1000 udevd [ 49.348528] [ 1615] 0 1615 5340 123 16 3 0 -1000 udevd [ 49.357260] [ 1616] 0 1616 5340 124 16 3 0 -1000 udevd [ 49.365997] [ 2872] 0 2872 14265 108 23 3 0 0 rsyslogd [ 49.374996] [ 2907] 0 2907 4725 49 14 3 0 0 cron [ 49.383644] [ 2933] 0 2933 12490 153 28 3 0 -1000 sshd [ 49.392291] [ 2957] 0 2957 3694 41 13 3 0 0 getty [ 49.401044] [ 2958] 0 2958 3694 41 13 3 0 0 getty [ 49.409785] [ 2959] 0 2959 3694 41 13 3 0 0 getty [ 49.418521] [ 2960] 0 2960 3694 40 12 3 0 0 getty [ 49.427256] [ 2961] 0 2961 3694 39 13 3 0 0 getty [ 49.435987] [ 2962] 0 2962 3694 40 13 3 0 0 getty [ 49.444720] [ 2963] 0 2963 3649 40 13 3 0 0 getty [ 49.453454] [ 2984] 0 2984 17821 196 39 3 0 0 sshd [ 49.462100] [ 2986] 0 2986 4383 513 6 2 0 0 syzkaller483116 [ 49.471703] Out of memory: Kill process 2986 (syzkaller483116) score 0 or sacrifice child [ 49.480104] Killed process 2986 (syzkaller483116) total-vm:17532kB, anon-rss:2052kB, file-rss:0kB, shmem-rss:0kB [ 49.492507] oom_reaper: reaped process 2986 (syzkaller483116), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 49.630424] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 49.642978] rsyslogd cpuset=/ mems_allowed=0 [ 49.643185] syzkaller483116: page allocation failure: order:0, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 49.643209] syzkaller483116 cpuset=/ mems_allowed=0 [ 49.643250] CPU: 1 PID: 2986 Comm: syzkaller483116 Not tainted 4.14.0-rc5+ #141 [ 49.643254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.643257] Call Trace: [ 49.643269] dump_stack+0x194/0x257 [ 49.643282] ? arch_local_irq_restore+0x53/0x53 [ 49.643308] warn_alloc+0x1c2/0x2f0 [ 49.643318] ? zone_watermark_ok_safe+0x400/0x400 [ 49.643325] ? usleep_range+0x190/0x190 [ 49.643337] ? call_timer_fn+0x830/0x830 [ 49.643352] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 49.643376] __alloc_pages_slowpath+0x25b5/0x2db0 [ 49.643425] ? warn_alloc+0x2f0/0x2f0 [ 49.643439] ? lock_downgrade+0x990/0x990 [ 49.643464] ? print_irqtrace_events+0x270/0x270 [ 49.643470] ? mark_held_locks+0xaf/0x100 [ 49.643480] ? _raw_spin_unlock_irq+0x27/0x70 [ 49.643492] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.643501] ? trace_hardirqs_on+0xd/0x10 [ 49.643523] ? check_noncircular+0x20/0x20 [ 49.643532] ? retint_kernel+0x10/0x10 [ 49.643544] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.643554] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.643592] ? __lock_is_held+0xb6/0x140 [ 49.643621] ? check_same_owner+0x320/0x320 [ 49.643630] ? __lock_is_held+0xb6/0x140 [ 49.643649] ? __might_sleep+0x95/0x190 [ 49.643663] __alloc_pages_nodemask+0x9fb/0xd80 [ 49.643679] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 49.643693] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.643703] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.643720] ? retint_kernel+0x10/0x10 [ 49.643746] ? __sanitizer_cov_trace_pc+0xd/0x60 [ 49.643767] alloc_pages_current+0xb6/0x1e0 [ 49.643773] ? __sanitizer_cov_trace_pc+0x1/0x60 [ 49.643787] relay_open_buf.part.10+0x22e/0x9b0 [ 49.643811] relay_open+0x57a/0xa40 [ 49.643828] ? relay_open_buf.part.10+0x9b0/0x9b0 [ 49.643842] ? __debugfs_create_file+0x2cc/0x3e0 [ 49.643859] ? debugfs_create_file+0x57/0x70 [ 49.643874] do_blk_trace_setup+0x4a4/0xcf0 [ 49.643890] ? blk_tracer_print_line+0x40/0x40 [ 49.643899] ? __might_sleep+0x95/0x190 [ 49.643917] ? kasan_check_write+0x14/0x20 [ 49.643924] ? _copy_from_user+0x99/0x110 [ 49.643937] blk_trace_setup+0xbd/0x180 [ 49.643948] ? do_blk_trace_setup+0xcf0/0xcf0 [ 49.643974] ? avc_has_extended_perms+0x6e5/0x12c0 [ 49.643987] sg_ioctl+0xc71/0x2d90 [ 49.644015] ? lock_release+0xa40/0xa40 [ 49.644021] ? __handle_mm_fault+0x587/0x39c0 [ 49.644035] ? sg_new_write.isra.20+0x830/0x830 [ 49.644051] ? is_bpf_text_address+0xa4/0x120 [ 49.644067] ? avc_has_extended_perms+0x7fa/0x12c0 [ 49.644092] ? avc_ss_reset+0x110/0x110 [ 49.644098] ? find_held_lock+0x35/0x1d0 [ 49.644119] ? __do_page_fault+0x64c/0xd60 [ 49.644129] ? lock_downgrade+0x990/0x990 [ 49.644149] ? handle_mm_fault+0x410/0x8d0 [ 49.644176] ? check_same_owner+0x320/0x320 [ 49.644182] ? up_read+0x1a/0x40 [ 49.644190] ? __do_page_fault+0x3d6/0xd60 [ 49.644211] ? sg_new_write.isra.20+0x830/0x830 [ 49.644219] do_vfs_ioctl+0x1b1/0x1520 [ 49.644236] ? ioctl_preallocate+0x2b0/0x2b0 [ 49.644248] ? selinux_capable+0x40/0x40 [ 49.644260] ? putname+0xf3/0x130 [ 49.644273] ? do_sys_open+0x320/0x6d0 [ 49.644295] ? security_file_ioctl+0x89/0xb0 [ 49.644309] SyS_ioctl+0x8f/0xc0 [ 49.644324] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 49.644330] RIP: 0033:0x443ec9 [ 49.644333] RSP: 002b:00007ffeeec46728 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 [ 49.644341] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443ec9 [ 49.644345] RDX: 000000002084cf90 RSI: 00000000c0481273 RDI: 0000000000000003 [ 49.644348] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 49.644352] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000401bb0 [ 49.644356] R13: 0000000000401c40 R14: 0000000000000000 R15: 0000000000000000 [ 49.644446] Mem-Info: [ 49.644461] active_anon:1177 inactive_anon:32 isolated_anon:0 [ 49.644461] active_file:15 inactive_file:2 isolated_file:0 [ 49.644461] unevictable:0 dirty:0 writeback:24 unstable:0 [ 49.644461] slab_reclaimable:5849 slab_unreclaimable:83043 [ 49.644461] mapped:2 shmem:39 pagetables:259 bounce:0 [ 49.644461] free:15655 free_pcp:30 free_cma:0 [ 49.644474] Node 0 active_anon:4708kB inactive_anon:128kB active_file:60kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:96kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 49.644477] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.644492] lowmem_reserve[]: 0 2886 6399 6399 [ 49.644504] Node 0 DMA32 free:28772kB min:30408kB low:38008kB high:45608kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2958344kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.644519] lowmem_reserve[]: 0 0 3513 3513 [ 49.644531] Node 0 Normal free:17940kB min:37008kB low:46260kB high:55512kB active_anon:4708kB inactive_anon:128kB active_file:176kB inactive_file:8kB unevictable:0kB writepending:36kB present:4718592kB managed:3597452kB mlocked:0kB kernel_stack:2624kB pagetables:1036kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 49.644546] lowmem_reserve[]: 0 0 0 0 [ 49.644557] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 49.644608] Node 0 DMA32: 3*4kB (UM) 3*8kB (UM) 4*16kB (UM) 0*32kB 4*64kB (UM) 2*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (UM) 4*2048kB (UM) 4*4096kB (M) = 28772kB [ 49.644661] Node 0 Normal: 397*4kB (ME) 249*8kB (M) 184*16kB (M) 104*32kB (M) 46*64kB (UM) 26*128kB (M) 8*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18172kB [ 49.644713] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 49.644715] 71 total pagecache pages [ 49.644724] 0 pages in swap cache [ 49.644728] Swap cache stats: add 0, delete 0, find 0/0 [ 49.644730] Free swap = 0kB [ 49.644732] Total swap = 0kB [ 49.644735] 1965979 pages RAM [ 49.644738] 0 pages HighMem/MovableOnly [ 49.644740] 323053 pages reserved [ 50.255391] CPU: 0 PID: 2875 Comm: rsyslogd Not tainted 4.14.0-rc5+ #141 [ 50.262208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.271537] Call Trace: [ 50.274110] dump_stack+0x194/0x257 [ 50.277727] ? arch_local_irq_restore+0x53/0x53 [ 50.282400] dump_header+0x234/0xa0e [ 50.286102] ? check_noncircular+0x20/0x20 [ 50.290316] ? task_will_free_mem+0x252/0xaa0 [ 50.294805] ? pagefault_out_of_memory+0x152/0x152 [ 50.299725] ? ___ratelimit+0x30d/0x630 [ 50.303685] ? lock_downgrade+0x990/0x990 [ 50.307819] ? do_raw_spin_trylock+0x190/0x190 [ 50.312391] ? mark_held_locks+0xaf/0x100 [ 50.316523] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 50.321607] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.326609] ? trace_hardirqs_on+0xd/0x10 [ 50.330739] ? ___ratelimit+0x95/0x630 [ 50.334614] ? idr_get_free_cmn+0xfd0/0xfd0 [ 50.338912] ? find_held_lock+0x35/0x1d0 [ 50.342969] oom_kill_process+0x86d/0x13d0 [ 50.347180] ? lock_downgrade+0x990/0x990 [ 50.351319] ? lock_release+0xa40/0xa40 [ 50.355275] ? check_noncircular+0x20/0x20 [ 50.359503] ? oom_evaluate_task+0x480/0x480 [ 50.363898] ? security_capable_noaudit+0x8b/0xc0 [ 50.368727] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 50.373806] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.378802] ? has_capability+0x30/0x30 [ 50.382761] ? find_held_lock+0x35/0x1d0 [ 50.386806] ? check_noncircular+0x20/0x20 [ 50.391025] ? oom_unkillable_task+0x394/0x4c0 [ 50.395587] ? lock_downgrade+0x990/0x990 [ 50.399722] ? lock_release+0xa40/0xa40 [ 50.403692] ? find_held_lock+0x35/0x1d0 [ 50.407744] ? out_of_memory+0xaa9/0x11d0 [ 50.411873] ? lock_downgrade+0x990/0x990 [ 50.416005] ? lock_release+0xa40/0xa40 [ 50.419958] ? lock_acquire+0x1d5/0x580 [ 50.423911] ? __alloc_pages_slowpath+0x1001/0x2db0 [ 50.428922] ? oom_evaluate_task+0x284/0x480 [ 50.433321] out_of_memory+0x7dc/0x11d0 [ 50.437273] ? find_next_bit+0x27/0x30 [ 50.441152] ? oom_killer_disable+0x310/0x310 [ 50.445622] ? mutex_trylock+0x23a/0x2d0 [ 50.449666] ? __lock_is_held+0xb6/0x140 [ 50.453706] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 50.459156] __alloc_pages_slowpath+0x1d9d/0x2db0 [ 50.463992] ? __radix_tree_insert+0x7b0/0x7b0 [ 50.468581] ? warn_alloc+0x2f0/0x2f0 [ 50.472368] ? find_get_entry+0x513/0x9e0 [ 50.476496] ? lock_downgrade+0x990/0x990 [ 50.480642] ? radix_tree_lookup_slot+0x99/0xe0 [ 50.485314] ? find_get_entry+0x53c/0x9e0 [ 50.489449] ? check_noncircular+0x20/0x20 [ 50.493677] ? __lock_acquire+0x6aa/0x3d50 [ 50.497890] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.503058] ? find_held_lock+0x35/0x1d0 [ 50.507101] ? __radix_tree_lookup+0x435/0x5e0 [ 50.511688] ? __lock_is_held+0xb6/0x140 [ 50.515753] ? check_same_owner+0x320/0x320 [ 50.520057] ? __page_cache_alloc+0x12d/0x500 [ 50.524541] ? __might_sleep+0x95/0x190 [ 50.528501] __alloc_pages_nodemask+0x9fb/0xd80 [ 50.533159] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 50.538155] ? add_to_page_cache_lru+0x510/0x510 [ 50.542904] ? check_noncircular+0x20/0x20 [ 50.547120] ? check_noncircular+0x20/0x20 [ 50.551339] ? __lock_acquire+0x6aa/0x3d50 [ 50.555557] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 50.560321] alloc_pages_current+0xb6/0x1e0 [ 50.564629] __page_cache_alloc+0x334/0x500 [ 50.568930] ? rcu_read_lock_held+0xa9/0xc0 [ 50.573239] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 50.580597] filemap_fault+0xf32/0x1d30 [ 50.584572] ? __lock_page_or_retry+0x4f0/0x4f0 [ 50.589236] ? filemap_map_pages+0x942/0x15d0 [ 50.593710] ? __lock_acquire+0x6aa/0x3d50 [ 50.597946] ? find_get_entries_tag+0xeb0/0xeb0 [ 50.602601] ? __is_insn_slot_addr+0x1fc/0x330 [ 50.607163] ? lock_downgrade+0x990/0x990 [ 50.611296] ? check_noncircular+0x20/0x20 [ 50.615510] ? __lock_acquire+0x6aa/0x3d50 [ 50.619724] ? __lock_acquire+0x6aa/0x3d50 [ 50.623938] ? find_held_lock+0x35/0x1d0 [ 50.627984] ? check_noncircular+0x20/0x20 [ 50.632218] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.637398] ? lock_acquire+0x1d5/0x580 [ 50.641349] ? lock_acquire+0x1d5/0x580 [ 50.645301] ? ext4_filemap_fault+0x7a/0xb0 [ 50.649613] ? lock_release+0xa40/0xa40 [ 50.653566] ? check_same_owner+0x320/0x320 [ 50.657869] ? ext4_filemap_fault+0x8d/0xb0 [ 50.662174] ? lock_downgrade+0x990/0x990 [ 50.666311] ? __might_sleep+0x95/0x190 [ 50.670272] ? down_read+0x96/0x150 [ 50.673875] ? ext4_filemap_fault+0x7a/0xb0 [ 50.678174] ? __down_interruptible+0x6b0/0x6b0 [ 50.682840] ext4_filemap_fault+0x82/0xb0 [ 50.686970] __do_fault+0xeb/0x30f [ 50.691102] ? do_raw_spin_trylock+0x190/0x190 [ 50.695663] ? pte_offset_kernel+0xc7/0xc7 [ 50.699892] ? check_noncircular+0x20/0x20 [ 50.704118] __handle_mm_fault+0x1b9b/0x39c0 [ 50.708514] ? __pmd_alloc+0x4e0/0x4e0 [ 50.712396] ? find_held_lock+0x35/0x1d0 [ 50.716447] ? handle_mm_fault+0x248/0x8d0 [ 50.720666] ? lock_downgrade+0x990/0x990 [ 50.724835] handle_mm_fault+0x334/0x8d0 [ 50.728875] ? down_read_trylock+0xdb/0x170 [ 50.733177] ? __do_page_fault+0x31e/0xd60 [ 50.737394] ? __handle_mm_fault+0x39c0/0x39c0 [ 50.741953] ? vmacache_find+0x5f/0x280 [ 50.745911] ? find_vma+0x30/0x150 [ 50.749437] __do_page_fault+0x5bd/0xd60 [ 50.753493] ? mm_fault_error+0x2c0/0x2c0 [ 50.757622] ? __fsnotify_parent+0xb4/0x3a0 [ 50.761920] ? avc_policy_seqno+0x9/0x20 [ 50.765961] ? fsnotify+0x1af0/0x1af0 [ 50.769746] do_page_fault+0xee/0x720 [ 50.773529] ? __do_page_fault+0xd60/0xd60 [ 50.777741] ? __fdget_raw+0x20/0x20 [ 50.781444] ? fput+0xd2/0x140 [ 50.784622] ? SyS_read+0x184/0x220 [ 50.788232] ? retint_user+0x18/0x20 [ 50.791933] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.796772] page_fault+0x22/0x30 [ 50.800201] RIP: 0033:0x40b550 [ 50.803370] RSP: 002b:00007f15f9a3fd68 EFLAGS: 00010202 [ 50.808713] RAX: 0000000000000000 RBX: 00007f15f9a3fd88 RCX: 0000000000000004 [ 50.815958] RDX: 0000000000000000 RSI: 00007f15fb07250c RDI: 0000000000000210 [ 50.823204] RBP: 0000000000000004 R08: 000000000000003e R09: 00007f15fbe34100 [ 50.830454] R10: 3a6874706564206b R11: 0000000000000000 R12: 0000000000000000 [ 50.837703] R13: 00007f15fb2755a3 R14: 0000000000000f75 R15: 00007f15fb274621 [ 50.845024] Mem-Info: [ 50.847631] active_anon:1177 inactive_anon:32 isolated_anon:0 [ 50.847631] active_file:13 inactive_file:14 isolated_file:0 [ 50.847631] unevictable:0 dirty:0 writeback:0 unstable:0 [ 50.847631] slab_reclaimable:5849 slab_unreclaimable:83043 [ 50.847631] mapped:2 shmem:39 pagetables:259 bounce:0 [ 50.847631] free:1082681 free_pcp:341 free_cma:0 [ 50.880017] Node 0 active_anon:4708kB inactive_anon:128kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 50.906534] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 50.932724] lowmem_reserve[]: 0 2886 6399 6399 [ 50.937366] Node 0 DMA32 free:1900124kB min:30408kB low:38008kB high:45608kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2958344kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:620kB local_pcp:0kB free_cma:0kB [ 50.964919] lowmem_reserve[]: 0 0 3513 3513 [ 50.969299] Node 0 Normal free:2854180kB min:37008kB low:46260kB high:55512kB active_anon:4708kB inactive_anon:128kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3597452kB mlocked:0kB kernel_stack:2624kB pagetables:1036kB bounce:0kB free_pcp:712kB local_pcp:0kB free_cma:0kB [ 50.998095] lowmem_reserve[]: 0 0 0 0 [ 51.001920] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 51.015630] Node 0 DMA32: 3*4kB (UM) 4*8kB (UM) 8*16kB (UM) 5*32kB (U) 7*64kB (UM) 7*128kB (UM) 5*256kB (UM) 6*512kB (UM) 6*1024kB (UM) 8*2048kB (UM) 457*4096kB (UM) = 1900428kB [ 51.031744] Node 0 Normal: 609*4kB (UME) 370*8kB (UM) 252*16kB (UM) 157*32kB (UM) 73*64kB (UM) 47*128kB (UM) 24*256kB (UM) 16*512kB (U) 9*1024kB (U) 4*2048kB (U) 738*4096kB (U) = 3079732kB [ 51.048812] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.057424] 66 total pagecache pages [ 51.061179] 0 pages in swap cache [ 51.064650] Swap cache stats: add 0, delete 0, find 0/0 [ 51.070059] Free swap = 0kB [ 51.073078] Total swap = 0kB [ 51.076126] 1965979 pages RAM [ 51.079231] 0 pages HighMem/MovableOnly [ 51.083234] 323053 pages reserved [ 51.086684] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 51.095452] [ 1514] 0 1514 5342 122 17 3 0 -1000 udevd [ 51.104279] [ 1615] 0 1615 5340 123 16 3 0 -1000 udevd [ 51.113041] [ 1616] 0 1616 5340 124 16 3 0 -1000 udevd [ 51.121803] [ 2872] 0 2872 14265 163 23 3 0 0 rsyslogd [ 51.130838] [ 2907] 0 2907 4725 49 14 3 0 0 cron [ 51.139521] [ 2933] 0 2933 12490 153 28 3 0 -1000 sshd [ 51.148191] [ 2957] 0 2957 3694 41 13 3 0 0 getty [ 51.156952] [ 2958] 0 2958 3694 41 13 3 0 0 getty [ 51.165715] [ 2959] 0 2959 3694 41 13 3 0 0 getty [ 51.174480] [ 2960] 0 2960 3694 40 12 3 0 0 getty [ 51.183287] [ 2961] 0 2961 3694 39 13 3 0 0 getty [ 51.192048] [ 2962] 0 2962 3694 40 13 3 0 0 getty [ 51.200815] [ 2963] 0 2963 3649 40 13 3 0 0 getty [ 51.209572] [ 2984] 0 2984 17821 196 39 3 0 0 sshd [ 51.218245] [ 2986] 0 2986 4383 0 5 2 0 0 syzkaller483116 [ 51.227868] Out of memory: Kill process 2984 (sshd) score 0 or sacrifice child Connection to ci-upstream-kasan-gce-4 closed by remote host. [ 51.235636] Killed p