[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 9.692597] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 12.789829] random: sshd: uninitialized urandom read (32 bytes read) [ 12.956396] random: sshd: uninitialized urandom read (32 bytes read) [ 13.178917] random: crng init done Warning: Permanently added '10.128.10.44' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 33.329271] lowmemorykiller: Killing 'syz-executor620' (2057) (tgid 2057), adj 1000, [ 33.329271] to free 48kB on behalf of 'kswapd0' (33) because [ 33.329271] cache 36740kB is below limit 65536kB for oom_score_adj 12 [ 33.329271] Free memory is -13420kB above reserved [ 33.339654] lowmemorykiller: Killing 'syz-executor620' (2057) (tgid 2057), adj 1000, [ 33.339654] to free 48kB on behalf of 'syz-executor620' (2066) because [ 33.339654] cache 34240kB is below limit 65536kB for oom_score_adj 12 [ 33.339654] Free memory is -13112kB above reserved [ 33.339679] [ 33.339681] ================================= [ 33.339683] [ INFO: inconsistent lock state ] [ 33.339689] 4.9.194+ #0 Not tainted [ 33.339690] --------------------------------- [ 33.339693] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 33.339699] syz-executor620/2066 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 33.339726] (&mm->mmap_sem){+++++?}, at: [<0000000047221078>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 33.339736] mark_held_locks+0xb1/0x100 [ 33.339742] lockdep_trace_alloc+0x18c/0x2b0 [ 33.339747] __alloc_pages_nodemask+0x143/0x1a80 [ 33.339753] __pmd_alloc+0x4a/0x330 [ 33.339759] move_page_tables+0xadb/0xd60 [ 33.339765] shift_arg_pages+0x1ae/0x470 [ 33.339770] setup_arg_pages+0x60d/0x7c0 [ 33.339779] load_elf_binary+0xa84/0x4a90 [ 33.339784] search_binary_handler+0x14f/0x700 [ 33.339789] do_execveat_common.isra.0+0xf81/0x1db0 [ 33.339794] do_execve+0x3a/0x50 [ 33.339801] run_init_process+0x33/0x37 [ 33.339806] try_to_run_init_process+0x18/0x48 [ 33.339814] kernel_init+0xf2/0x163 [ 33.339819] ret_from_fork+0x5c/0x70 [ 33.339822] irq event stamp: 258131 [ 33.339829] hardirqs last enabled at (258131): [<000000009135c57f>] vprintk_emit+0x25c/0x6f0 [ 33.339836] hardirqs last disabled at (258130): [<000000007ea5007b>] vprintk_emit+0x6d/0x6f0 [ 33.339844] softirqs last enabled at (257554): [<00000000e3884fec>] __do_softirq+0x474/0x964 [ 33.339851] softirqs last disabled at (257033): [<0000000053ae730f>] irq_exit+0x119/0x160 [ 33.339853] [ 33.339853] other info that might help us debug this: [ 33.339855] Possible unsafe locking scenario: [ 33.339855] [ 33.339856] CPU0 [ 33.339857] ---- [ 33.339861] lock(&mm->mmap_sem); [ 33.339863] [ 33.339867] lock(&mm->mmap_sem); [ 33.339868] [ 33.339868] *** DEADLOCK *** [ 33.339868] [ 33.339872] 1 lock held by syz-executor620/2066: [ 33.339886] #0: (shrinker_rwsem){++++..}, at: [<000000007eade036>] shrink_slab.part.0+0xb2/0xa20 [ 33.339887] [ 33.339887] stack backtrace: [ 33.339894] CPU: 0 PID: 2066 Comm: syz-executor620 Not tainted 4.9.194+ #0 [ 33.339909] ffff8801c4546fe0 ffffffff81b67001 00000000000000f0 ffff8801d0b3df00 [ 33.339919] ffffffff83cb0630 ffff8801d0b3e7f8 ffffffff84252000 ffff8801c4547058 [ 33.339927] ffffffff81408710 0000000000000000 ffffffff00000001 0000000000000001 [ 33.339928] Call Trace: [ 33.339938] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 [ 33.339948] [<000000004e945102>] print_usage_bug.cold+0x452/0x5a2 [ 33.339955] [<00000000644ae385>] mark_lock+0x6c7/0x12e0 [ 33.339962] [<00000000dedccb78>] ? print_irq_inversion_bug+0xa0/0xa0 [ 33.339970] [<0000000021ee83c9>] __lock_acquire+0x5be/0x4390 [ 33.339976] [<000000001afcd3ce>] ? trace_hardirqs_on+0x10/0x10 [ 33.339982] [<000000001afcd3ce>] ? trace_hardirqs_on+0x10/0x10 [ 33.339990] [<000000008df67ba9>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 33.339996] [<0000000039a85a73>] lock_acquire+0x133/0x3d0 [ 33.340006] [<0000000047221078>] ? get_cmdline+0xa3/0x2d0 [ 33.340013] [<0000000022efa3b5>] down_read+0x44/0xb0 [ 33.340019] [<0000000047221078>] ? get_cmdline+0xa3/0x2d0 [ 33.340025] [<0000000047221078>] get_cmdline+0xa3/0x2d0 [ 33.340033] [<00000000fc44d84b>] handle_lmk_event+0x169/0x920 [ 33.340039] [<0000000006eb7c19>] ? lmk_event_show+0x390/0x390 [ 33.340045] [<00000000e4b6cebe>] ? vprintk+0x28/0x30 [ 33.340052] [<000000008df67ba9>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 33.340060] [<00000000e8d6c1cf>] ? kill_pid_info_as_cred+0x540/0x540 [ 33.340069] [<00000000fa9142fe>] ? check_preemption_disabled+0x3c/0x200 [ 33.340076] [<00000000fa9142fe>] ? check_preemption_disabled+0x3c/0x200 [ 33.340084] [<00000000fa9142fe>] ? check_preemption_disabled+0x3c/0x200 [ 33.340091] [<00000000e66fb722>] ? lowmem_scan+0x6ae/0xb70 [ 33.340099] [<00000000868a9fc3>] lowmem_scan+0x6f3/0xb70 [ 33.340106] [<0000000050074e64>] shrink_slab.part.0+0x3cf/0xa20 [ 33.340114] [<000000008a8fb4f8>] ? unregister_shrinker+0x230/0x230 [ 33.340121] [<00000000d3bfe2ad>] shrink_node+0x1ed/0x750 [ 33.340130] [<00000000677b34d8>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 33.340139] [<00000000a325b269>] ? __delayacct_freepages_start+0x41/0x80 [ 33.340147] [<00000000b0994267>] try_to_free_pages+0x397/0xbd0 [ 33.340155] [<000000009ab096e8>] ? shrink_node+0x750/0x750 [ 33.340162] [<000000002eb8d623>] __alloc_pages_nodemask+0x930/0x1a80 [ 33.340170] [<000000008fc5bb31>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.340177] [<00000000a2f9e9c8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 33.340184] [<00000000f2794079>] ? retint_kernel+0x2d/0x2d [ 33.340192] [<000000007c2a26d0>] __vmalloc_node_range+0x25b/0x610 [ 33.340200] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 33.340207] [<000000008a3c787b>] vmalloc+0x5c/0x70 [ 33.340213] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 33.340220] [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 [ 33.340228] [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 [ 33.340235] [<0000000067406698>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 33.340241] [<00000000b4efa098>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 33.340248] [<000000006a0a3f85>] ? __cap_capable+0x182/0x1d0 [ 33.340256] [<00000000185e6044>] ? ns_capable_common+0x12c/0x160 [ 33.340263] [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 [ 33.340271] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 [ 33.340279] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 [ 33.340286] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 [ 33.340295] [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 [ 33.340302] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 [ 33.340308] [<000000001e8c9f49>] ? SyS_recv+0x40/0x40 [ 33.340314] [<0000000077e3e192>] ? __do_page_fault+0x545/0xa60 executing program executing program executing program executing program [ 33.340321] [<00000000d6b5edb0>] ? do_syscall_64+0x4a/0x5c0 [ 33.340328] [<000000001e8c9f49>] ? SyS_recv+0x40/0x40 [ 33.340334] [<00000000a0e017d7>] do_syscall_64+0x1ad/0x5c0 [ 33.340342] [<000000009170a0f3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 33.487273] oom_reaper: reaped process 2057 (syz-executor620), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.497880] syz-executor620 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 33.497888] CPU: 0 PID: 2063 Comm: syz-executor620 Not tainted 4.9.194+ #0 [ 33.497901] ffff8801d0b0f6a8 ffffffff81b67001 ffff8801d0b0fa00 ffffffff833f1c30 [ 33.497910] 00000000000003e8 ffff8801d0b0fa18 0000000000000000 ffff8801d0b0f728 [ 33.497919] ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 [ 33.497920] Call Trace: [ 33.497934] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 [ 33.497944] [<000000009105cdb0>] dump_header.isra.0+0x142/0x74c [ 33.497953] [<0000000035b4bbf6>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.497961] [<0000000009873728>] ? ___ratelimit+0x55/0x413 [ 33.497968] [<00000000d67edfa2>] oom_kill_process.cold+0xd/0xa74 [ 33.497977] [<00000000ac880bab>] ? has_capability_noaudit+0x25/0x30 [ 33.497986] [<000000009b11d713>] ? oom_badness.part.0+0x11d/0x600 [ 33.497992] [<000000005d6e85b9>] ? oom_badness.part.0+0x12f/0x600 [ 33.497999] [<0000000005f27a76>] ? out_of_memory+0x6d3/0xea0 [ 33.498006] [<000000009db5683f>] out_of_memory+0x29b/0xea0 [ 33.498013] [<00000000afdbd5d6>] ? out_of_memory+0x41c/0xea0 [ 33.498020] [<00000000ba74459b>] ? oom_killer_disable+0x210/0x210 [ 33.498028] [<000000009ada63a6>] ? trace_hardirqs_on+0xd/0x10 [ 33.498034] [<000000008c7b19c0>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 33.498040] [<00000000d62bed1f>] __alloc_pages_nodemask+0x1730/0x1a80 [ 33.498047] [<00000000a2f9e9c8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 33.498054] [<00000000a2fa3bea>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 33.498062] [<000000008fc5bb31>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.498070] [<00000000fa9142fe>] ? check_preemption_disabled+0x3c/0x200 [ 33.498078] [<000000007c2a26d0>] __vmalloc_node_range+0x25b/0x610 [ 33.498087] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 33.498093] [<000000008a3c787b>] vmalloc+0x5c/0x70 [ 33.498100] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 33.498107] [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 [ 33.498114] [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 [ 33.498121] [<0000000067406698>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 33.498127] [<00000000b4efa098>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 33.498134] [<000000006a0a3f85>] ? __cap_capable+0x182/0x1d0 [ 33.498146] [<00000000185e6044>] ? ns_capable_common+0x12c/0x160 [ 33.498152] [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 [ 33.498160] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 [ 33.498166] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 [ 33.498175] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 [ 33.498185] [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 [ 33.498192] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 [ 33.498198] [<000000001e8c9f49>] ? SyS_recv+0x40/0x40 [ 33.498206] [<0000000077e3e192>] ? __do_page_fault+0x545/0xa60 [ 33.498212] [<00000000d6b5edb0>] ? do_syscall_64+0x4a/0x5c0 [ 33.498218] [<000000001e8c9f49>] ? SyS_recv+0x40/0x40 [ 33.498224] [<00000000a0e017d7>] do_syscall_64+0x1ad/0x5c0 [ 33.498231] [<000000009170a0f3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program executing program [ 33.498292] Mem-Info: [ 33.498307] active_anon:3222 inactive_anon:41 isolated_anon:0 [ 33.498307] active_file:15 inactive_file:21 isolated_file:0 [ 33.498307] unevictable:0 dirty:0 writeback:9 unstable:0 [ 33.498307] slab_reclaimable:4271 slab_unreclaimable:56855 [ 33.498307] mapped:9 shmem:48 pagetables:355 bounce:0 [ 33.498307] free:6024 free_pcp:68 free_cma:0 [ 33.498319] Node 0 active_anon:12888kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:36kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:19 all_unreclaimable? no [ 33.498334] DMA32 free:18600kB 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.498357] Normal free:5496kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17084kB slab_unreclaimable:227420kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:152kB local_pcp:152kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.498407] DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (M) 2*32kB (UM) 1*64kB (M) 4*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18620kB Normal: 331*4kB (UM) 177*8kB (UM) 97*16kB (UM) 39*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5540kB 99 total pagecache pages [ 33.498442] 0 pages in swap cache [ 33.498445] Swap cache stats: add 0, delete 0, find 0/0 [ 33.498447] Free swap = 0kB [ 33.498449] Total swap = 0kB [ 33.498451] 1965979 pages RAM [ 33.498452] 0 pages HighMem/MovableOnly [ 33.498454] 313627 pages reserved [ 33.498456] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 33.498470] [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 33.498479] [ 589] 0 589 5383 175 15 3 0 -1000 udevd [ 33.498487] [ 590] 0 590 5383 176 15 3 0 -1000 udevd [ 33.498495] [ 1757] 0 1757 2492 572 7 3 0 0 dhclient [ 33.498503] [ 1896] 0 1896 14231 110 23 3 0 0 rsyslogd [ 33.498511] [ 1951] 0 1951 4724 50 15 3 0 0 cron [ 33.498518] [ 1963] 0 1963 3734 44 12 3 0 0 mcstransd [ 33.498527] [ 1979] 0 1979 12489 152 29 3 0 -1000 sshd [ 33.498538] [ 1997] 0 1997 12926 1226 27 3 0 0 restorecond [ 33.498578] [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 33.498586] [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 33.498594] [ 2047] 0 2047 3648 42 13 3 0 0 getty [ 33.498601] [ 2048] 0 2048 3648 43 13 3 0 0 getty [ 33.498609] [ 2049] 0 2049 3648 42 12 3 0 0 getty [ 33.498617] [ 2050] 0 2050 3648 44 13 3 0 0 getty [ 33.498624] [ 2051] 0 2051 3648 43 12 3 0 0 getty [ 33.498632] [ 2052] 0 2052 17820 198 38 3 0 0 sshd [ 33.498640] [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor620 [ 33.498648] [ 2055] 0 2055 4380 12 4 2 0 0 syz-executor620 [ 33.498656] [ 2056] 0 2056 4380 12 4 2 0 0 syz-executor620 [ 33.498664] [ 2057] 0 2057 4380 0 5 2 0 1000 syz-executor620 [ 33.498671] [ 2058] 0 2058 4380 12 4 2 0 0 syz-executor620 [ 33.498679] [ 2059] 0 2059 4380 12 4 2 0 0 syz-executor620 [ 33.498687] [ 2060] 0 2060 4380 12 4 2 0 0 syz-executor620 [ 33.498695] [ 2061] 0 2061 4380 12 4 2 0 0 syz-executor620 executing program executing program [ 33.498702] [ 2062] 0 2062 4380 12 5 2 0 1000 syz-executor620 [ 33.498710] [ 2063] 0 2063 4380 12 5 2 0 1000 syz-executor620 [ 33.498718] [ 2064] 0 2064 4380 12 5 2 0 1000 syz-executor620 [ 33.498726] [ 2065] 0 2065 4380 12 5 2 0 1000 syz-executor620 [ 33.498735] [ 2066] 0 2066 4380 12 5 2 0 1000 syz-executor620 [ 33.498740] Out of memory: Kill process 2062 (syz-executor620) score 999 or sacrifice child [ 33.498751] Killed process 2062 (syz-executor620) total-vm:17520kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB [ 33.517262] oom_reaper: reaped process 2062 (syz-executor620), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.521636] syz-executor620 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 33.521644] CPU: 0 PID: 2063 Comm: syz-executor620 Not tainted 4.9.194+ #0 [ 33.521657] ffff8801d0b0f6a8 ffffffff81b67001 ffff8801d0b0fa00 ffffffff833f1c30 [ 33.521667] 00000000000003e8 ffff8801d0b0fa18 0000000000000000 ffff8801d0b0f728 [ 33.521675] ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 [ 33.521677] Call Trace: [ 33.521690] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 [ 33.521701] [<000000009105cdb0>] dump_header.isra.0+0x142/0x74c [ 33.521709] [<0000000035b4bbf6>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.521717] [<0000000009873728>] ? ___ratelimit+0x55/0x413 [ 33.521725] [<00000000d67edfa2>] oom_kill_process.cold+0xd/0xa74 [ 33.521735] [<00000000ac880bab>] ? has_capability_noaudit+0x25/0x30 [ 33.521744] [<000000009b11d713>] ? oom_badness.part.0+0x11d/0x600 [ 33.521751] [<000000005d6e85b9>] ? oom_badness.part.0+0x12f/0x600 [ 33.521758] [<0000000005f27a76>] ? out_of_memory+0x6d3/0xea0 [ 33.521765] [<000000009db5683f>] out_of_memory+0x29b/0xea0 [ 33.521772] [<00000000afdbd5d6>] ? out_of_memory+0x41c/0xea0 [ 33.521779] [<00000000ba74459b>] ? oom_killer_disable+0x210/0x210 [ 33.521787] [<000000009ada63a6>] ? trace_hardirqs_on+0xd/0x10 [ 33.521794] [<000000008c7b19c0>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 33.521800] [<00000000d62bed1f>] __alloc_pages_nodemask+0x1730/0x1a80 [ 33.521808] [<00000000a2f9e9c8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 33.521815] [<00000000a2fa3bea>] ? trace_hardirqs_on_caller+0x385/0x5a0 executing program [ 33.521824] [<000000008fc5bb31>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.521832] [<00000000fa9142fe>] ? check_preemption_disabled+0x3c/0x200 [ 33.521841] [<000000007c2a26d0>] __vmalloc_node_range+0x25b/0x610 [ 33.521849] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 33.521856] [<000000008a3c787b>] vmalloc+0x5c/0x70 [ 33.521863] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 33.521870] [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 [ 33.521877] [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 [ 33.521884] [<0000000067406698>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 33.521890] [<00000000b4efa098>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 33.521897] [<000000006a0a3f85>] ? __cap_capable+0x182/0x1d0 [ 33.521905] [<00000000185e6044>] ? ns_capable_common+0x12c/0x160 [ 33.521912] [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 [ 33.521920] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 [ 33.521926] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 [ 33.521933] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 [ 33.521942] [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 [ 33.521949] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 [ 33.521956] [<000000001e8c9f49>] ? SyS_recv+0x40/0x40 [ 33.521963] [<0000000077e3e192>] ? __do_page_fault+0x545/0xa60 [ 33.521969] [<00000000d6b5edb0>] ? do_syscall_64+0x4a/0x5c0 [ 33.521976] [<000000001e8c9f49>] ? SyS_recv+0x40/0x40 [ 33.521982] [<00000000a0e017d7>] do_syscall_64+0x1ad/0x5c0 [ 33.521990] [<000000009170a0f3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 33.521993] Mem-Info: [ 33.522008] active_anon:3214 inactive_anon:41 isolated_anon:0 [ 33.522008] active_file:15 inactive_file:21 isolated_file:0 [ 33.522008] unevictable:0 dirty:0 writeback:9 unstable:0 [ 33.522008] slab_reclaimable:4271 slab_unreclaimable:56855 [ 33.522008] mapped:9 shmem:48 pagetables:355 bounce:0 [ 33.522008] free:4292 free_pcp:14 free_cma:0 [ 33.522019] Node 0 active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:36kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no executing program [ 33.522035] DMA32 free:17108kB 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.522059] Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17084kB slab_unreclaimable:227420kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.522110] DMA32: 5*4kB (UM) 1*8kB (M) 3*16kB (UM) 1*32kB (M) 2*64kB (UM) 3*128kB (M) 4*256kB (UM) 2*512kB (UM) 2*1024kB (M) 2*2048kB (UM) 2*4096kB (M) = 17004kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 99 total pagecache pages [ 33.522140] 0 pages in swap cache [ 33.522143] Swap cache stats: add 0, delete 0, find 0/0 [ 33.522145] Free swap = 0kB [ 33.522147] Total swap = 0kB [ 33.522149] 1965979 pages RAM [ 33.522151] 0 pages HighMem/MovableOnly [ 33.522153] 313627 pages reserved [ 33.522155] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 33.522235] [ 470] 0 470 5384 178 16 3 0 -1000 udevd executing program [ 33.522245] [ 589] 0 589 5383 175 15 3 0 -1000 udevd [ 33.522253] [ 590] 0 590 5383 176 15 3 0 -1000 udevd executing program [ 33.522262] [ 1757] 0 1757 2492 572 7 3 0 0 dhclient [ 33.522270] [ 1896] 0 1896 14231 110 23 3 0 0 rsyslogd [ 33.522278] [ 1951] 0 1951 4724 50 15 3 0 0 cron [ 33.522286] [ 1963] 0 1963 3734 44 12 3 0 0 mcstransd [ 33.522295] [ 1979] 0 1979 12489 152 29 3 0 -1000 sshd [ 33.522303] [ 1997] 0 1997 12926 1226 27 3 0 0 restorecond [ 33.522311] [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 33.522319] [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 33.522364] [ 2047] 0 2047 3648 42 13 3 0 0 getty [ 33.522372] [ 2048] 0 2048 3648 43 13 3 0 0 getty executing program [ 33.522386] [ 2049] 0 2049 3648 42 12 3 0 0 getty [ 33.522394] [ 2050] 0 2050 3648 44 13 3 0 0 getty [ 33.522402] [ 2051] 0 2051 3648 43 12 3 0 0 getty [ 33.522410] [ 2052] 0 2052 17820 198 38 3 0 0 sshd [ 33.522418] [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor620 [ 33.522426] [ 2055] 0 2055 4380 12 4 2 0 0 syz-executor620 [ 33.522435] [ 2056] 0 2056 4380 12 4 2 0 0 syz-executor620 [ 33.522443] [ 2057] 0 2057 4380 0 5 2 0 1000 syz-executor620 [ 33.522451] [ 2058] 0 2058 4380 12 4 2 0 0 syz-executor620 [ 33.522459] [ 2059] 0 2059 4380 12 4 2 0 0 syz-executor620 [ 33.522467] [ 2060] 0 2060 4380 12 4 2 0 0 syz-executor620 [ 33.522475] [ 2061] 0 2061 4380 12 4 2 0 0 syz-executor620 [ 33.522484] [ 2062] 0 2062 4380 0 5 2 0 1000 syz-executor620 [ 33.522492] [ 2063] 0 2063 4380 12 5 2 0 1000 syz-executor620 [ 33.522500] [ 2064] 0 2064 4380 12 5 2 0 1000 syz-executor620 [ 33.522508] [ 2065] 0 2065 4380 12 5 2 0 1000 syz-executor620 [ 33.522517] [ 2066] 0 2066 4380 12 5 2 0 1000 syz-executor620 [ 33.522522] Out of memory: Kill process 2063 (syz-executor620) score 999 or sacrifice child [ 33.522533] Killed process 2063 (syz-executor620) total-vm:17520kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB [ 33.522623] oom_reaper: reaped process 2063 (syz-executor620), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.525792] syz-executor620: vmalloc: allocation failure, allocated 1327271936 of 4231929856 bytes [ 33.525795] syz-executor620: [ 33.525796] , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) vmalloc: allocation failure, allocated 1372045312 of 4231929856 bytes[ 33.525803] CPU: 0 PID: 2063 Comm: syz-executor620 Not tainted 4.9.194+ #0 [ 33.525806] , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) ffff8801d0b0f980 ffffffff81b67001 1ffff1003a161f32 dffffc0000000000 [ 33.525822] ffffffff82aab480 0000000000000000 0000000000400000 ffff8801d0b0faa8 [ 33.525829] ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 [ 33.525831] Call Trace: [ 33.525840] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 [ 33.525848] [<00000000c3d25e26>] warn_alloc.cold+0x76/0x93 [ 33.525854] [<00000000c2bf7b65>] ? zone_watermark_ok_safe+0x260/0x260 [ 33.525861] [<000000008fc5bb31>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.525869] [<00000000fa9142fe>] ? check_preemption_disabled+0x3c/0x200 [ 33.525876] [<00000000575da95d>] __vmalloc_node_range+0x404/0x610 [ 33.525884] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 33.525890] [<000000008a3c787b>] vmalloc+0x5c/0x70 [ 33.525896] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 33.525902] [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 [ 33.525908] [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 [ 33.525915] [<0000000067406698>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 33.525921] [<00000000b4efa098>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 33.525927] [<000000006a0a3f85>] ? __cap_capable+0x182/0x1d0 [ 33.525935] [<00000000185e6044>] ? ns_capable_common+0x12c/0x160 [ 33.525941] [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 [ 33.525948] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 [ 33.525954] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 [ 33.525960] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 [ 33.525968] [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 [ 33.525974] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 [ 33.525980] [<000000001e8c9f49>] ? SyS_recv+0x40/0x40 [ 33.525986] [<0000000077e3e192>] ? __do_page_fault+0x545/0xa60 [ 33.525992] [<00000000d6b5edb0>] ? do_syscall_64+0x4a/0x5c0 [ 33.525997] [<000000001e8c9f49>] ? SyS_recv+0x40/0x40 [ 33.526002] [<00000000a0e017d7>] do_syscall_64+0x1ad/0x5c0 [ 33.526009] [<000000009170a0f3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 33.526011] Mem-Info: [ 33.526015] CPU: 1 PID: 2062 Comm: syz-executor620 Not tainted 4.9.194+ #0 [ 33.526026] active_anon:3214 inactive_anon:41 isolated_anon:0 [ 33.526026] active_file:15 inactive_file:21 isolated_file:0 [ 33.526026] unevictable:0 dirty:0 writeback:9 unstable:0 [ 33.526026] slab_reclaimable:4271 slab_unreclaimable:56855 [ 33.526026] mapped:9 shmem:48 pagetables:355 bounce:0 [ 33.526026] free:0 free_pcp:7 free_cma:0 [ 33.526036] ffff8801c62cf980 [ 33.526036] Node 0 active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:36kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 33.526049] ffffffff81b67001DMA32 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 1ffff10038c59f32lowmem_reserve[]: [ 33.526054] dffffc0000000000 0 3505 ffffffff82aab480 [ 33.526060] 3505 0000000000000000 0000000000400000Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17084kB slab_unreclaimable:227420kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:28kB local_pcp:28kB free_cma:0kB ffff8801c62cfaa8lowmem_reserve[]: [ 33.526080] 0 ffffffff815080fc [ 33.526083] 0 0000000041b58ab3 0 ffffffff82e3bc80 ffffffff81431d00DMA32: 0*4kB Call Trace: [ 33.526100] 0*8kB [<00000000c2a7efe1>] dump_stack+0xc1/0x120 [ 33.526106] 0*16kB [<00000000c3d25e26>] warn_alloc.cold+0x76/0x93 [ 33.526112] 0*32kB [<00000000c2bf7b65>] ? zone_watermark_ok_safe+0x260/0x260 [ 33.526119] 0*64kB [<00000000575da95d>] __vmalloc_node_range+0x404/0x610 executing program [ 33.526126] 0*128kB [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 33.526132] 0*256kB [<000000008a3c787b>] vmalloc+0x5c/0x70 [ 33.526138] 0*512kB [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 33.526145] 0*1024kB [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 [ 33.526151] 0*2048kB [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 [ 33.526157] 0*4096kB [<0000000067406698>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 33.526159] = 0kB [<00000000b4efa098>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 33.526169] Normal: [<000000006a0a3f85>] ? __cap_capable+0x182/0x1d0 [ 33.526176] 0*4kB [<00000000185e6044>] ? ns_capable_common+0x12c/0x160 [ 33.526182] 0*8kB [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 [ 33.526188] 0*16kB [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 [ 33.526194] 0*32kB [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 [ 33.526200] 0*64kB [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 [ 33.526207] 0*128kB [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 [ 33.526214] 0*256kB [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 [ 33.526220] 0*512kB [<000000001e8c9f49>] ? SyS_recv+0x40/0x40 [ 33.526226] 0*1024kB [<0000000077e3e192>] ? __do_page_fault+0x545/0xa60 [ 33.526232] 0*2048kB [<00000000d6b5edb0>] ? do_syscall_64+0x4a/0x5c0 [ 33.526238] 0*4096kB [<000000001e8c9f49>] ? SyS_recv+0x40/0x40 [ 33.526240] = 0kB [<00000000a0e017d7>] do_syscall_64+0x1ad/0x5c0 [ 33.526245] 99 total pagecache pages [ 33.526250] [<000000009170a0f3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 33.526252] 0 pages in swap cache [ 33.526253] Mem-Info: [ 33.526255] Swap cache stats: add 0, delete 0, find 0/0 [ 33.526265] active_anon:3214 inactive_anon:41 isolated_anon:0 [ 33.526265] active_file:15 inactive_file:21 isolated_file:0 [ 33.526265] unevictable:0 dirty:0 writeback:9 unstable:0 [ 33.526265] slab_reclaimable:4271 slab_unreclaimable:56855 [ 33.526265] mapped:9 shmem:48 pagetables:355 bounce:0 [ 33.526265] free:0 free_pcp:7 free_cma:0 [ 33.526267] Free swap = 0kB [ 33.526275] Node 0 active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:36kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 33.526276] Total swap = 0kB [ 33.526287] 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 1965979 pages RAM [ 33.526291] lowmem_reserve[]: [ 33.526291] 0 pages HighMem/MovableOnly [ 33.526293] 0313627 pages reserved [ 33.526296] 3505 3505 Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17084kB slab_unreclaimable:227420kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:28kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.526339] 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 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 99 total pagecache pages executing program [ 33.526366] 0 pages in swap cache [ 33.526369] Swap cache stats: add 0, delete 0, find 0/0 [ 33.526370] Free swap = 0kB [ 33.526372] Total swap = 0kB [ 33.526373] 1965979 pages RAM [ 33.526375] 0 pages HighMem/MovableOnly [ 33.526376] 313627 pages reserved [ 33.527311] syz-executor620 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 33.527317] CPU: 0 PID: 2057 Comm: syz-executor620 Not tainted 4.9.194+ #0 [ 33.527328] ffff8801ce8976a8 ffffffff81b67001 ffff8801ce897a00 ffffffff833f1c30 [ 33.527338] 00000000000003e8 ffff8801ce897a18 0000000000000000 ffff8801ce897728 [ 33.527348] ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 [ 33.527349] Call Trace: [ 33.527358] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 [ 33.527367] [<000000009105cdb0>] dump_header.isra.0+0x142/0x74c [ 33.527374] [<0000000035b4bbf6>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.527389] [<0000000009873728>] ? ___ratelimit+0x55/0x413 [ 33.527397] [<00000000d67edfa2>] oom_kill_process.cold+0xd/0xa74 [ 33.527406] [<00000000ac880bab>] ? has_capability_noaudit+0x25/0x30 [ 33.527415] [<000000009b11d713>] ? oom_badness.part.0+0x11d/0x600 [ 33.527422] [<000000005d6e85b9>] ? oom_badness.part.0+0x12f/0x600 [ 33.527429] [<0000000005f27a76>] ? out_of_memory+0x6d3/0xea0 [ 33.527436] [<000000009db5683f>] out_of_memory+0x29b/0xea0 [ 33.527442] [<00000000afdbd5d6>] ? out_of_memory+0x41c/0xea0 [ 33.527450] [<00000000ba74459b>] ? oom_killer_disable+0x210/0x210 [ 33.527457] [<000000009ada63a6>] ? trace_hardirqs_on+0xd/0x10 [ 33.527464] [<000000008c7b19c0>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 33.527471] [<00000000d62bed1f>] __alloc_pages_nodemask+0x1730/0x1a80 [ 33.527480] [<00000000ec5ca820>] ? __schedule+0x6d6/0x1f10 [ 33.527487] [<00000000a2f9e9c8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 33.527495] [<000000008fc5bb31>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.527504] [<000000007c2a26d0>] __vmalloc_node_range+0x25b/0x610 [ 33.527512] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 33.527519] [<000000008a3c787b>] vmalloc+0x5c/0x70 [ 33.527526] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 33.527534] [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 [ 33.527541] [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 [ 33.527548] [<0000000067406698>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 33.527555] [<00000000b4efa098>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 33.527570] [<000000006a0a3f85>] ? __cap_capable+0x182/0x1d0 [ 33.527579] [<00000000185e6044>] ? ns_capable_common+0x12c/0x160 [ 33.527586] [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 [ 33.527594] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 [ 33.527601] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 [ 33.527608] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 [ 33.527617] [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 [ 33.527624] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 [ 33.527631] [<000000001e8c9f49>] ? SyS_recv+0x40/0x40 [ 33.527639] [<0000000077e3e192>] ? __do_page_fault+0x545/0xa60 [ 33.527645] [<00000000d6b5edb0>] ? do_syscall_64+0x4a/0x5c0 [ 33.527652] [<000000001e8c9f49>] ? SyS_recv+0x40/0x40 [ 33.527659] [<00000000a0e017d7>] do_syscall_64+0x1ad/0x5c0 [ 33.527667] [<000000009170a0f3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 33.527694] Mem-Info: [ 33.527709] active_anon:3214 inactive_anon:41 isolated_anon:0 [ 33.527709] active_file:15 inactive_file:21 isolated_file:0 [ 33.527709] unevictable:0 dirty:0 writeback:9 unstable:0 [ 33.527709] slab_reclaimable:4271 slab_unreclaimable:56855 [ 33.527709] mapped:9 shmem:48 pagetables:355 bounce:0 [ 33.527709] free:13 free_pcp:0 free_cma:0 [ 33.527722] Node 0 active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:36kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:7 all_unreclaimable? no [ 33.527738] 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.527763] Normal free:36kB min:5580kB low:9168kB high:12756kB active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17084kB slab_unreclaimable:227420kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.527796] 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: 7*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 28kB 99 total pagecache pages [ 33.527829] 0 pages in swap cache [ 33.527832] Swap cache stats: add 0, delete 0, find 0/0 [ 33.527834] Free swap = 0kB [ 33.527836] Total swap = 0kB [ 33.527838] 1965979 pages RAM [ 33.527840] 0 pages HighMem/MovableOnly [ 33.527842] 313627 pages reserved [ 33.527844] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 33.527856] [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 33.527864] [ 589] 0 589 5383 175 15 3 0 -1000 udevd executing program [ 33.527870] [ 590] 0 590 5383 176 15 3 0 -1000 udevd [ 33.527876] [ 1757] 0 1757 2492 572 7 3 0 0 dhclient [ 33.527883] [ 1896] 0 1896 14231 110 23 3 0 0 rsyslogd [ 33.527889] [ 1951] 0 1951 4724 50 15 3 0 0 cron [ 33.527895] [ 1963] 0 1963 3734 44 12 3 0 0 mcstransd [ 33.527902] [ 1979] 0 1979 12489 152 29 3 0 -1000 sshd [ 33.527908] [ 1997] 0 1997 12926 1226 27 3 0 0 restorecond [ 33.527913] [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 33.527919] [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 33.527925] [ 2047] 0 2047 3648 42 13 3 0 0 getty [ 33.527931] [ 2048] 0 2048 3648 43 13 3 0 0 getty [ 33.527937] [ 2049] 0 2049 3648 42 12 3 0 0 getty [ 33.527942] [ 2050] 0 2050 3648 44 13 3 0 0 getty [ 33.527948] [ 2051] 0 2051 3648 43 12 3 0 0 getty [ 33.527954] [ 2052] 0 2052 17820 198 38 3 0 0 sshd [ 33.527960] [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor620 [ 33.527966] [ 2055] 0 2055 4380 12 4 2 0 0 syz-executor620 [ 33.527972] [ 2056] 0 2056 4380 12 4 2 0 0 syz-executor620 [ 33.527978] [ 2057] 0 2057 4380 0 5 2 0 1000 syz-executor620 [ 33.527986] [ 2058] 0 2058 4380 12 4 2 0 0 syz-executor620 [ 33.527995] [ 2059] 0 2059 4380 12 4 2 0 0 syz-executor620 [ 33.528032] [ 2060] 0 2060 4380 12 4 2 0 0 syz-executor620 [ 33.528041] [ 2061] 0 2061 4380 12 4 2 0 0 syz-executor620 [ 33.528050] [ 2062] 0 2062 4380 0 5 2 0 1000 syz-executor620 [ 33.528059] [ 2063] 0 2063 4380 0 5 2 0 1000 syz-executor620 ** 60 printk messages dropped ** [ 33.547289] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 ** 45 printk messages dropped ** [ 35.217267] oom_reaper: reaped process 2065 (syz-executor620), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB ** 50 printk messages dropped ** [ 35.218827] Normal free:5460kB min:5580kB low:9168kB high:12756kB active_anon:12900kB inactive_anon:164kB active_file:32kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17104kB slab_unreclaimable:226960kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:152kB local_pcp:152kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 35.218866] DMA32: 1*4kB (M) 0*8kB 0*16kB 1*32kB (U) 0*64kB 3*128kB (UM) 3*256kB (UM) 0*512kB 1*1024kB (M) 0*2048kB 4*4096kB (U) = 18596kB Normal: 235*4kB (UME) 107*8kB (UME) 59*16kB (UM) 41*32kB (UME) 16*64kB (UME) 3*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5460kB 93 total pagecache pages [ 35.218903] 0 pages in swap cache [ 35.218907] Swap cache stats: add 0, delete 0, find 0/0 [ 35.218909] Free swap = 0kB [ 35.218910] Total swap = 0kB [ 35.218912] 1965979 pages RAM [ 35.218914] 0 pages HighMem/MovableOnly [ 35.218916] 313627 pages reserved [ 35.218918] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 35.218933] [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 35.218941] [ 589] 0 589 5383 175 15 3 0 -1000 udevd executing program [ 35.218949] [ 590] 0 590 5383 176 15 3 0 -1000 udevd [ 35.218961] [ 1757] 0 1757 2492 572 7 3 0 0 dhclient [ 35.218989] [ 1896] 0 1896 14231 110 23 3 0 0 rsyslogd [ 35.218997] [ 1951] 0 1951 4724 50 15 3 0 0 cron [ 35.219005] [ 1963] 0 1963 3734 44 12 3 0 0 mcstransd [ 35.219013] [ 1979] 0 1979 12489 152 29 3 0 -1000 sshd executing program [ 35.219021] [ 1997] 0 1997 12926 1226 27 3 0 0 restorecond [ 35.219029] [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 35.219037] [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 35.219045] [ 2047] 0 2047 3648 42 13 3 0 0 getty [ 35.219053] [ 2048] 0 2048 3648 43 13 3 0 0 getty [ 35.219060] [ 2049] 0 2049 3648 42 12 3 0 0 getty [ 35.219068] [ 2050] 0 2050 3648 44 13 3 0 0 getty [ 35.219076] [ 2051] 0 2051 3648 43 12 3 0 0 getty [ 35.219083] [ 2052] 0 2052 17820 197 38 3 0 0 sshd [ 35.219091] [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor620 [ 35.219099] [ 2055] 0 2055 4380 12 4 2 0 0 syz-executor620 [ 35.219107] [ 2056] 0 2056 4380 12 4 2 0 0 syz-executor620 [ 35.219115] [ 2058] 0 2058 4380 12 4 2 0 0 syz-executor620 [ 35.219122] [ 2059] 0 2059 4380 12 4 2 0 0 syz-executor620 [ 35.219134] [ 2060] 0 2060 4380 12 4 2 0 0 syz-executor620 ** 10 printk messages dropped ** [ 35.227700] CPU: 0 PID: 2066 Comm: syz-executor620 Not tainted 4.9.194+ #0 [ 35.227711] ffff8801c4547980 ffffffff81b67001 1ffff100388a8f32 dffffc0000000000 [ 35.227720] ffffffff82aab480 0000000000000000 0000000000400000 ffff8801c4547aa8 [ 35.227729] ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 [ 35.227731] Call Trace: [ 35.227745] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 [ 35.227754] [<00000000c3d25e26>] warn_alloc.cold+0x76/0x93 [ 35.227762] [<00000000c2bf7b65>] ? zone_watermark_ok_safe+0x260/0x260 [ 35.227770] [<00000000575da95d>] __vmalloc_node_range+0x404/0x610 [ 35.227780] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 35.227786] [<000000008a3c787b>] vmalloc+0x5c/0x70 [ 35.227793] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 35.227800] [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 [ 35.227807] [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 [ 35.227814] [<0000000067406698>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 35.227822] [<00000000b4efa098>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 35.227829] [<000000006a0a3f85>] ? __cap_capable+0x182/0x1d0 [ 35.227838] [<00000000185e6044>] ? ns_capable_common+0x12c/0x160 [ 35.227845] [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 [ 35.227852] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 [ 35.227859] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 [ 35.227865] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 [ 35.227873] [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 [ 35.227881] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 ** 73 printk messages dropped ** [ 35.362766] lowmem_reserve[]: 0 3505 3505 ** 88 printk messages dropped ** [ 35.371331] Free swap = 0kB [ 35.371332] Total swap = 0kB [ 35.371333] 1965979 pages RAM [ 35.371334] 0 pages HighMem/MovableOnly [ 35.371335] 313627 pages reserved [ 35.407345] oom_reaper: reaped process 2067 (syz-executor620), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB ** 40 printk messages dropped ** [ 35.582669] Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 410 total pagecache pages [ 35.582673] 0 pages in swap cache [ 35.582677] Swap cache stats: add 0, delete 0, find 0/0 [ 35.582679] Free swap = 0kB [ 35.582680] Total swap = 0kB [ 35.582682] 1965979 pages RAM [ 35.582684] 0 pages HighMem/MovableOnly [ 35.582686] 313627 pages reserved [ 35.626247] syz-executor620: vmalloc: allocation failure, allocated 1582354432 of 4231929856 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 35.626254] CPU: 1 PID: 2068 Comm: syz-executor620 Not tainted 4.9.194+ #0 [ 35.626267] ffff8801ce647980 ffffffff81b67001 1ffff10039cc8f32 dffffc0000000000 [ 35.626276] ffffffff82aab480 0000000000000000 0000000000400000 ffff8801ce647aa8 [ 35.626285] ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 [ 35.626286] Call Trace: executing program [ 35.626300] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 [ 35.626310] [<00000000c3d25e26>] warn_alloc.cold+0x76/0x93 [ 35.626317] [<00000000c2bf7b65>] ? zone_watermark_ok_safe+0x260/0x260 [ 35.626326] [<00000000575da95d>] __vmalloc_node_range+0x404/0x610 [ 35.626335] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 35.626342] [<000000008a3c787b>] vmalloc+0x5c/0x70 [ 35.626348] [<0000000024b2dc1f>] ? xt_alloc_table_info+0xc8/0x100 [ 35.626355] [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 [ 35.626363] [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 [ 35.626370] [<0000000067406698>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 35.626378] [<00000000d6903803>] ? mutex_unlock+0x9/0x10 [ 35.626385] [<000000006a0a3f85>] ? __cap_capable+0x182/0x1d0 [ 35.626394] [<00000000185e6044>] ? ns_capable_common+0x12c/0x160 executing program [ 35.626400] [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 [ 35.626409] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 [ 35.626416] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 [ 35.626423] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 [ 35.626431] [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 [ 35.626438] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 [ 35.626445] [<000000001e8c9f49>] ? SyS_recv+0x40/0x40 [ 35.626452] [<0000000077e3e192>] ? __do_page_fault+0x545/0xa60 [ 35.626459] [<0000000084844a5f>] ? bad_area_access_error+0x3d0/0x3d0 ** 15 printk messages dropped ** [ 35.626611] Free swap = 0kB ** 2 printk messages dropped ** [ 35.626617] 0 pages HighMem/MovableOnly [ 35.626619] 313627 pages reserved [ 35.628402] oom_reaper: reaped process 2068 (syz-executor620), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 36.249649] lowmemorykiller: Killing 'syz-executor620' (2069) (tgid 2069), adj 1000, [ 36.249649] to free 48kB on behalf of 'syz-executor620' (2072) because [ 36.249649] cache 1512kB is below limit 6144kB for oom_score_adj 0 [ 36.249649] Free memory is -13324kB above reserved ** 50 printk messages dropped ** [ 36.320447] Node 0 active_anon:12900kB inactive_anon:164kB active_file:28kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:152kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no executing program [ 36.320462] DMA32 free:18612kB min:4696kB low:7712kB high:10728kB active_anon:128kB inactive_anon:0kB active_file:0kB inactive_file:124kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:108kB kernel_stack:128kB pagetables:80kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 36.320484] Normal free:5464kB min:5580kB low:9168kB high:12756kB active_anon:12772kB inactive_anon:164kB active_file:28kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17104kB slab_unreclaimable:226100kB kernel_stack:3328kB pagetables:1340kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 36.320531] DMA32: 19*4kB (UM) 21*8kB (M) 18*16kB (M) 21*32kB (UM) 22*64kB (UM) 5*128kB (M) 4*256kB (UM) 0*512kB 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18612kB Normal: 94*4kB (M) 90*8kB (UM) 75*16kB (M) 43*32kB (UM) 22*64kB (UM) 3*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5464kB 108 total pagecache pages [ 36.320568] 0 pages in swap cache [ 36.320572] Swap cache stats: add 0, delete 0, find 0/0 [ 36.320574] Free swap = 0kB [ 36.320575] Total swap = 0kB [ 36.320578] 1965979 pages RAM [ 36.320580] 0 pages HighMem/MovableOnly [ 36.320581] 313627 pages reserved [ 36.320584] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 36.320598] [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 36.320607] [ 589] 0 589 5383 175 15 3 0 -1000 udevd [ 36.320615] [ 590] 0 590 5383 176 15 3 0 -1000 udevd [ 36.320624] [ 1757] 0 1757 2492 572 7 3 0 0 dhclient [ 36.320632] [ 1896] 0 1896 14231 110 23 3 0 0 rsyslogd [ 36.320640] [ 1951] 0 1951 4724 50 15 3 0 0 cron [ 36.320647] [ 1963] 0 1963 3734 44 12 3 0 0 mcstransd [ 36.320655] [ 1979] 0 1979 12489 152 29 3 0 -1000 sshd [ 36.320663] [ 1997] 0 1997 12926 1226 27 3 0 0 restorecond [ 36.320676] [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 36.320684] [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 36.320692] [ 2047] 0 2047 3648 42 13 3 0 0 getty [ 36.320700] [ 2048] 0 2048 3648 43 13 3 0 0 getty