Warning: Permanently added '10.128.0.148' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 22.450593] lowmemorykiller: Killing 'syz-executor539' (2048) (tgid 2048), adj 1000, [ 22.450593] to free 44kB on behalf of 'kswapd0' (33) because [ 22.450593] cache 36400kB is below limit 65536kB for oom_score_adj 12 [ 22.450593] Free memory is -12892kB above reserved [ 22.455810] [ 22.456198] ================================= [ 22.457121] [ INFO: inconsistent lock state ] [ 22.458047] 4.9.189+ #4 Not tainted [ 22.458768] --------------------------------- [ 22.459616] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 22.460713] kswapd0/33 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 22.461459] (&mm->mmap_sem){+++++?}, at: [<000000006d2f5b09>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 22.463311] mark_held_locks+0xb1/0x100 [ 22.463883] lockdep_trace_alloc+0x18c/0x2b0 [ 22.464512] __alloc_pages_nodemask+0x143/0x1a80 [ 22.465224] __pmd_alloc+0x4a/0x330 [ 22.465853] move_page_tables+0xadb/0xd60 [ 22.466462] shift_arg_pages+0x1ae/0x470 [ 22.467061] setup_arg_pages+0x60d/0x7c0 [ 22.467733] load_elf_binary+0xa84/0x4a90 [ 22.468394] search_binary_handler+0x14f/0x700 [ 22.469122] do_execveat_common.isra.0+0xf81/0x1db0 [ 22.469879] do_execve+0x3a/0x50 [ 22.470385] run_init_process+0x33/0x37 [ 22.472181] try_to_run_init_process+0x18/0x48 [ 22.476825] kernel_init+0xf2/0x163 [ 22.480515] ret_from_fork+0x5c/0x70 [ 22.484291] irq event stamp: 4415 [ 22.487721] hardirqs last enabled at (4415): [<00000000dddf4769>] vprintk_emit+0x25c/0x6f0 [ 22.496189] hardirqs last disabled at (4414): [<00000000101089ad>] vprintk_emit+0x6d/0x6f0 [ 22.504569] softirqs last enabled at (2342): [<000000006f7035e1>] __do_softirq+0x474/0x964 [ 22.513032] softirqs last disabled at (2335): [<0000000005c56acf>] irq_exit+0x119/0x160 [ 22.521290] [ 22.521290] other info that might help us debug this: [ 22.527938] Possible unsafe locking scenario: [ 22.527938] [ 22.533976] CPU0 [ 22.536536] ---- [ 22.539102] lock(&mm->mmap_sem); [ 22.542865] [ 22.545598] lock(&mm->mmap_sem); [ 22.549568] [ 22.549568] *** DEADLOCK *** [ 22.549568] [ 22.555602] 1 lock held by kswapd0/33: [ 22.559461] #0: (shrinker_rwsem){++++..}, at: [<00000000ac2ccc5e>] shrink_slab.part.0+0xb2/0xa20 [ 22.569041] [ 22.569041] stack backtrace: [ 22.573513] CPU: 1 PID: 33 Comm: kswapd0 Not tainted 4.9.189+ #4 [ 22.579638] ffff8801d8417420 ffffffff81b65c01 00000000000000f0 ffff8801d995af80 [ 22.587642] ffffffff83caf7a0 ffff8801d995b878 ffffffff84250fc0 ffff8801d8417498 [ 22.595641] ffffffff81408330 0000000000000000 ffffffff00000001 0000000000000001 [ 22.603642] Call Trace: [ 22.606208] [<0000000019c8fcd7>] dump_stack+0xc1/0x120 [ 22.611547] [<000000001de744b1>] print_usage_bug.cold+0x452/0x5a2 [ 22.617856] [<00000000eae5bab1>] mark_lock+0x6c7/0x12e0 [ 22.623281] [<00000000d396eb81>] ? print_irq_inversion_bug+0xa0/0xa0 [ 22.629833] [<00000000cdec28fb>] __lock_acquire+0x5be/0x4390 [ 22.635695] [<0000000088e07d73>] ? serial8250_console_write+0x3d4/0x860 [ 22.642509] [<00000000d02425cf>] ? trace_hardirqs_on+0x10/0x10 [ 22.648651] [<00000000d02425cf>] ? trace_hardirqs_on+0x10/0x10 [ 22.654698] [<0000000094dbc56b>] ? check_preemption_disabled+0x3c/0x200 [ 22.661525] [<0000000094dbc56b>] ? check_preemption_disabled+0x3c/0x200 [ 22.668342] [<00000000d2deb2cd>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 22.675149] [<00000000ef4fd319>] lock_acquire+0x133/0x3d0 [ 22.680748] [<000000006d2f5b09>] ? get_cmdline+0xa3/0x2d0 [ 22.686351] [<00000000419c08fa>] down_read+0x44/0xb0 [ 22.691514] [<000000006d2f5b09>] ? get_cmdline+0xa3/0x2d0 [ 22.697115] [<000000006d2f5b09>] get_cmdline+0xa3/0x2d0 [ 22.702543] [<00000000230d85bc>] handle_lmk_event+0x169/0x920 [ 22.708489] [<00000000660ba3d3>] ? lmk_event_show+0x390/0x390 [ 22.714437] [<00000000b92b333a>] ? vprintk+0x28/0x30 [ 22.719601] [<00000000d2deb2cd>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 22.726331] [<00000000f10d97b1>] ? kill_pid_info_as_cred+0x540/0x540 [ 22.732893] [<0000000094dbc56b>] ? check_preemption_disabled+0x3c/0x200 [ 22.739728] [<0000000094dbc56b>] ? check_preemption_disabled+0x3c/0x200 [ 22.746684] [<0000000094dbc56b>] ? check_preemption_disabled+0x3c/0x200 [ 22.753505] [<00000000a7164543>] ? lowmem_scan+0x6ae/0xb70 [ 22.759195] [<000000007199ff37>] lowmem_scan+0x6f3/0xb70 [ 22.764718] [<0000000021176575>] shrink_slab.part.0+0x3cf/0xa20 [ 22.770844] [<000000006b30af0f>] ? unregister_shrinker+0x230/0x230 [ 22.777234] [<0000000079bcbc01>] ? _raw_spin_unlock_irq+0x39/0x60 [ 22.783534] [<0000000030177381>] ? finish_task_switch+0x1e5/0x660 [ 22.789851] [<000000002b01e78c>] ? finish_task_switch+0x1b7/0x660 [ 22.796158] [<000000008de3186f>] ? __switch_to_asm+0x41/0x70 [ 22.802203] [<00000000eb2a34df>] shrink_node+0x1ed/0x750 [ 22.807718] [<000000007e857425>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 22.814707] [<000000005a12350f>] kswapd+0x7f8/0x13b0 [ 22.819885] [<00000000cc2d3c71>] ? try_to_free_pages+0xbd0/0xbd0 [ 22.826094] [<000000000428a25d>] ? autoremove_wake_function.part.0+0x130/0x130 [ 22.833535] [<000000007c1981b7>] ? __kthread_parkme+0x173/0x240 [ 22.839671] [<00000000cc2d3c71>] ? try_to_free_pages+0xbd0/0xbd0 [ 22.845880] [<00000000eab7b051>] kthread+0x278/0x310 [ 22.851250] [<000000007c57fd9a>] ? kthread_park+0xa0/0xa0 [ 22.856867] [<00000000d2deb2cd>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 22.863596] [<0000000079bcbc01>] ? _raw_spin_unlock_irq+0x39/0x60 [ 22.869890] [<0000000030177381>] ? finish_task_switch+0x1e5/0x660 [ 22.876186] [<000000002b01e78c>] ? finish_task_switch+0x1b7/0x660 [ 22.882498] [<000000008de3186f>] ? __switch_to_asm+0x41/0x70 [ 22.888356] [<00000000bc70081f>] ? __switch_to_asm+0x35/0x70 [ 22.894216] [<000000008de3186f>] ? __switch_to_asm+0x41/0x70 [ 22.900077] [<000000007c57fd9a>] ? kthread_park+0xa0/0xa0 [ 22.905675] [<000000007c57fd9a>] ? kthread_park+0xa0/0xa0 [ 22.911273] [<00000000b304bfbf>] ret_from_fork+0x5c/0x70 [ 23.197102] syz-executor539: vmalloc: allocation failure, allocated 1304621056 of 4294971392 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 23.215475] oom_reaper: reaped process 2048 (syz-executor539), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 23.216559] syz-executor539 invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 [ 23.216568] CPU: 1 PID: 2051 Comm: syz-executor539 Not tainted 4.9.189+ #4 [ 23.216582] ffff8801ce8576f0 ffffffff81b65c01 ffff8801ce857a48 ffffffff833f14f0 [ 23.216592] 0000000000000000 ffff8801ce857a60 0000000000000000 ffff8801ce857770 [ 23.216602] ffffffff81506abb 0000000000000000 0000000000000000 ffffffff828289d5 [ 23.216603] Call Trace: [ 23.216618] [<0000000019c8fcd7>] dump_stack+0xc1/0x120 [ 23.216629] [<000000008c0fd38a>] dump_header.isra.0+0x142/0x74c [ 23.216638] [<0000000074be68ef>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 23.216646] [<00000000821adbb2>] ? ___ratelimit+0x55/0x413 [ 23.216654] [<0000000054dc7380>] oom_kill_process.cold+0xd/0xa74 [ 23.216664] [<00000000d8e6b6c4>] ? has_capability_noaudit+0x25/0x30 [ 23.216673] [<0000000089a2b1d9>] ? oom_badness.part.0+0x11d/0x600 [ 23.216680] [<00000000c59ea159>] ? oom_badness.part.0+0x12f/0x600 [ 23.216688] [<0000000023071e9e>] ? out_of_memory+0x6d3/0xea0 [ 23.216696] [<00000000613db1dc>] out_of_memory+0x29b/0xea0 [ 23.216703] [<00000000bbe0cb7a>] ? out_of_memory+0x41c/0xea0 [ 23.216711] [<000000004867f0c4>] ? oom_killer_disable+0x210/0x210 [ 23.216719] [<000000001552d245>] ? trace_hardirqs_on+0xd/0x10 [ 23.216726] [<00000000cb770be3>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 23.216733] [<00000000a109dfb6>] __alloc_pages_nodemask+0x1730/0x1a80 [ 23.216741] [<00000000d2af973a>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 23.216758] [<00000000203f78f7>] ? page_cache_prev_hole+0x80/0x80 [ 23.216765] [<00000000ca9ecda4>] ? find_get_entry+0x2a9/0x510 [ 23.216773] [<00000000ce677723>] ? find_get_entry+0x2d0/0x510 [ 23.216780] [<00000000203f78f7>] ? page_cache_prev_hole+0x80/0x80 [ 23.216788] [<0000000087d4d2dc>] pagecache_get_page+0x248/0x740 [ 23.216795] [<00000000ace91503>] filemap_fault+0xb1f/0x1360 [ 23.216805] [<0000000046285935>] ext4_filemap_fault+0x72/0xa0 [ 23.216813] [<000000003034af2b>] __do_fault+0x2a8/0x6c0 [ 23.216820] [<00000000a30e35fd>] ? do_page_mkwrite+0x400/0x400 [ 23.216828] [<00000000f5b17bc5>] ? handle_mm_fault+0x1ba8/0x2420 [ 23.216835] [<00000000f85793d3>] handle_mm_fault+0x11bc/0x2420 [ 23.216843] [<000000006f4a8575>] ? debug_object_free+0x1c9/0x340 [ 23.216850] [<00000000cd67f4af>] ? vm_insert_page+0x850/0x850 [ 23.216857] [<00000000fd250bd9>] ? vmacache_find+0x59/0x280 [ 23.216864] [<00000000a2553687>] __do_page_fault+0x3f0/0xa60 [ 23.216872] [<00000000ac214700>] ? bad_area_access_error+0x3d0/0x3d0 [ 23.216881] [<000000008eb540f9>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.216888] [<00000000113b48e3>] do_page_fault+0x28/0x30 [ 23.216895] [<00000000e245c279>] page_fault+0x25/0x30 [ 23.216898] Mem-Info: [ 23.216914] active_anon:3225 inactive_anon:41 isolated_anon:0 [ 23.216914] active_file:0 inactive_file:15 isolated_file:0 [ 23.216914] unevictable:0 dirty:1 writeback:7 unstable:0 [ 23.216914] slab_reclaimable:4256 slab_unreclaimable:56458 [ 23.216914] mapped:13 shmem:48 pagetables:360 bounce:0 [ 23.216914] free:55 free_pcp:8 free_cma:0 [ 23.216927] Node 0 active_anon:12900kB inactive_anon:164kB active_file:0kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:4kB writeback:28kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 23.216945] DMA32 free:16kB 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:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:4kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 23.216971] Normal free:204kB min:5580kB low:9168kB high:12756kB active_anon:12900kB inactive_anon:164kB active_file:0kB inactive_file:60kB unevictable:0kB writepending:32kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17024kB slab_unreclaimable:225828kB kernel_stack:3456kB pagetables:1440kB bounce:0kB free_pcp:32kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 23.217005] 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: 0*4kB 0*8kB 0*16kB 0*32kB 1*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 192kB 94 total pagecache pages [ 23.217039] 0 pages in swap cache [ 23.217043] Swap cache stats: add 0, delete 0, find 0/0 [ 23.217045] Free swap = 0kB [ 23.217047] Total swap = 0kB executing program executing program [ 23.217050] 1965979 pages RAM [ 23.217051] 0 pages HighMem/MovableOnly [ 23.217053] 313625 pages reserved [ 23.217064] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 23.217076] [ 470] 0 470 5384 181 17 4 0 -1000 udevd [ 23.217082] [ 585] 0 585 5383 181 16 4 0 -1000 udevd executing program [ 23.217089] [ 587] 0 587 5383 181 16 4 0 -1000 udevd [ 23.217095] [ 1752] 0 1752 2492 573 9 3 0 0 dhclient executing program [ 23.217101] [ 1893] 0 1893 14231 107 23 3 0 0 rsyslogd [ 23.217107] [ 1948] 0 1948 4724 51 15 3 0 0 cron [ 23.217113] [ 1966] 0 1966 3735 45 11 3 0 0 mcstransd [ 23.217119] [ 1976] 0 1976 12489 152 28 3 0 -1000 sshd executing program [ 23.217125] [ 1984] 0 1984 12926 1228 27 3 0 0 restorecond [ 23.217131] [ 2024] 0 2024 3648 38 13 3 0 0 getty [ 23.217137] [ 2037] 0 2037 3648 42 13 3 0 0 getty [ 23.217143] [ 2038] 0 2038 3648 42 13 3 0 0 getty [ 23.217149] [ 2039] 0 2039 3648 42 13 3 0 0 getty [ 23.217155] [ 2040] 0 2040 3648 43 13 3 0 0 getty [ 23.217161] [ 2041] 0 2041 3648 43 13 3 0 0 getty [ 23.217167] [ 2042] 0 2042 3648 41 13 3 0 0 getty [ 23.217173] [ 2043] 0 2043 17820 197 39 3 0 0 sshd [ 23.217179] [ 2045] 0 2045 4380 1 4 2 0 0 syz-executor539 [ 23.217185] [ 2046] 0 2046 4380 11 4 2 0 0 syz-executor539 [ 23.217191] [ 2047] 0 2047 4380 11 4 2 0 0 syz-executor539 [ 23.217202] [ 2048] 0 2048 4380 0 5 2 0 1000 syz-executor539 [ 23.217210] [ 2049] 0 2049 4380 11 4 2 0 0 syz-executor539 [ 23.217219] [ 2050] 0 2050 4380 11 4 2 0 0 syz-executor539 [ 23.217228] [ 2051] 0 2051 4380 11 4 2 0 0 syz-executor539 [ 23.217236] [ 2052] 0 2052 4380 11 4 2 0 0 syz-executor539 [ 23.217245] [ 2053] 0 2053 4380 11 5 2 0 1000 syz-executor539 [ 23.217254] [ 2054] 0 2054 4380 11 5 2 0 1000 syz-executor539 [ 23.217263] [ 2055] 0 2055 4380 11 5 2 0 1000 syz-executor539 [ 23.217271] [ 2056] 0 2056 4380 11 5 2 0 1000 syz-executor539 [ 23.217280] [ 2057] 0 2057 4380 11 5 2 0 1000 syz-executor539 [ 23.217286] Out of memory: Kill process 2053 (syz-executor539) score 999 or sacrifice child [ 23.217298] Killed process 2053 (syz-executor539) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 23.219434] syz-executor539: vmalloc: allocation failure, allocated 1151344640 of 4294971392 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 23.219441] CPU: 0 PID: 2053 Comm: syz-executor539 Not tainted 4.9.189+ #4 [ 23.219452] ffff8801cefe7a08 ffffffff81b65c01 1ffff10039dfcf43 dffffc0000000000 [ 23.219463] ffffffff82aab240 0000000000000000 0000000000400000 ffff8801cefe7b30 [ 23.219472] ffffffff81507d73 0000000041b58ab3 ffffffff82e3b338 ffffffff81431920 [ 23.219474] Call Trace: [ 23.219482] [<0000000019c8fcd7>] dump_stack+0xc1/0x120 [ 23.219490] [<00000000e5ceaeee>] warn_alloc.cold+0x76/0x93 [ 23.219497] [<000000006397695f>] ? zone_watermark_ok_safe+0x260/0x260 [ 23.219506] [<00000000b81a435c>] __vmalloc_node_range+0x3ff/0x610 [ 23.219516] [<0000000057668f05>] ? xt_alloc_table_info+0xc8/0x100 [ 23.219523] [<00000000a80abe76>] vmalloc+0x5c/0x70 [ 23.219530] [<0000000057668f05>] ? xt_alloc_table_info+0xc8/0x100 [ 23.219537] [<0000000057668f05>] xt_alloc_table_info+0xc8/0x100 [ 23.219545] [<000000002c5312fe>] do_ip6t_set_ctl+0x231/0x480 [ 23.219552] [<00000000ddc31000>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 23.219559] [<000000003e0849bd>] ? mutex_unlock+0x9/0x10 [ 23.219569] [<00000000a51fd1a5>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 23.219576] [<00000000b0be44a2>] nf_setsockopt+0x6d/0xc0 [ 23.219584] [<000000004dd6670f>] ipv6_setsockopt+0x10b/0x140 [ 23.219592] [<000000001e5217c2>] tcp_setsockopt+0x8a/0xe0 [ 23.219601] [<00000000bcfce092>] sock_common_setsockopt+0x9a/0xe0 [ 23.219609] [<000000000b926c58>] SyS_setsockopt+0x159/0x240 Connection to 10.128.0.148 closed by remote host. [