[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 11.274432] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 11.467477] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.20' (ECDSA) to the list of known hosts. 2019/01/28 23:27:10 parsed 1 programs 2019/01/28 23:27:13 executed programs: 0 syzkaller login: [ 45.153015] audit: type=1400 audit(1548718033.890:5): avc: denied { sys_admin } for pid=2074 comm="syz-executor2" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 45.182732] audit: type=1400 audit(1548718033.920:6): avc: denied { net_admin } for pid=2079 comm="syz-executor3" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 45.518417] audit: type=1400 audit(1548718034.260:7): avc: denied { sys_chroot } for pid=2080 comm="syz-executor4" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 45.522009] audit: type=1400 audit(1548718034.260:8): avc: denied { associate } for pid=2079 comm="syz-executor3" name="syz3" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 47.004153] lowmemorykiller: Killing 'syz-executor1' (2234) (tgid 2231), adj 1000, [ 47.004153] to free 796kB on behalf of 'syz-executor5' (2244) because [ 47.004153] cache 52412kB is below limit 65536kB for oom_score_adj 12 [ 47.004153] Free memory is -13268kB above reserved [ 47.004612] lowmemorykiller: Killing 'syz-executor1' (2234) (tgid 2231), adj 1000, [ 47.004612] to free 796kB on behalf of 'kswapd0' (33) because [ 47.004612] cache 51912kB is below limit 65536kB for oom_score_adj 12 [ 47.004612] Free memory is -12568kB above reserved [ 47.403336] oom_reaper: reaped process 2267 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.450790] syz-executor4: vmalloc: allocation failure, allocated 341475328 of 3623886848 bytes[ 47.460403] syz-executor3 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 47.460411] CPU: 0 PID: 2220 Comm: syz-executor3 Not tainted 4.9.141+ #23 [ 47.460416] ffff8801ca737550 [ 47.460419] ffffffff81b42e79 ffff8801ca737910 ffffffff833e92b0 00000000000003e8 [ 47.460429] ffff8801ca737928 0000000000000000 ffff8801ca7375d0 ffffffff814fb526 [ 47.460439] 0000000000000000 00000000000003e8 ffffffff82816fa5Call Trace: [ 47.460459] [] dump_stack+0xc1/0x128 [ 47.460468] [] dump_header.isra.4+0x142/0x747 [ 47.460475] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 47.460483] [] ? ___ratelimit+0x53/0x401 [ 47.460491] [] oom_kill_process.cold.10+0xd/0xa6e [ 47.460500] [] ? check_preemption_disabled+0x3b/0x200 [ 47.460509] [] ? out_of_memory+0x6d4/0xe90 [ 47.460516] [] out_of_memory+0x292/0xe90 [ 47.460523] [] ? out_of_memory+0x410/0xe90 [ 47.460531] [] ? oom_killer_disable+0x200/0x200 [ 47.460539] [] ? trace_hardirqs_on+0xd/0x10 [ 47.460547] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 47.460555] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 47.460562] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 47.460571] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.460580] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.460588] [] ? check_preemption_disabled+0x3b/0x200 [ 47.460595] [] ? retint_kernel+0x2d/0x2d [ 47.460603] [] __vmalloc_node_range+0x25b/0x600 [ 47.460612] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.460618] [] vmalloc+0x5b/0x70 [ 47.460625] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.460632] [] xt_alloc_table_info+0xc9/0x100 [ 47.460641] [] compat_do_replace.isra.10+0x116/0x380 [ 47.460649] [] ? translate_compat_table+0x1790/0x1790 [ 47.460658] [] ? mutex_lock_nested+0x6b7/0x900 ** 11 printk messages dropped ** [ 47.460757] [] ? ipv6_setsockopt+0x130/0x130 [ 47.460764] [] compat_tcp_setsockopt+0x3d/0x70 [ 47.460772] [] compat_sock_common_setsockopt+0xb4/0x150 [ 47.460779] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 47.460788] [] compat_SyS_setsockopt+0x169/0x550 [ 47.460795] [] ? sock_common_setsockopt+0xe0/0xe0 [ 47.460803] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.460812] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 47.460819] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 47.460825] [] ? do_fast_syscall_32+0xcf/0xa10 [ 47.460831] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.460837] [] do_fast_syscall_32+0x2f1/0xa10 [ 47.460844] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.460852] [] entry_SYSENTER_compat+0x90/0xa2 [ 47.460855] Mem-Info: [ 47.460881] active_anon:5730 inactive_anon:42 isolated_anon:0 [ 47.460881] active_file:28 inactive_file:38 isolated_file:26 [ 47.460881] unevictable:0 dirty:14 writeback:1 unstable:0 [ 47.460881] slab_reclaimable:4561 slab_unreclaimable:57128 [ 47.460881] mapped:12 shmem:48 pagetables:441 bounce:0 [ 47.460881] free:0 free_pcp:0 free_cma:0 [ 47.460893] Node 0 active_anon:22920kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:48kB dirty:56kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.460915] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.460919] 0 3505 3505Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:22920kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18244kB slab_unreclaimable:228488kB kernel_stack:4320kB pagetables:1764kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.460945] 0 0 0DMA32: 2*4kB (UM) 2*8kB (U) 1*16kB (U) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 72kB Normal: 12*4kB (UM) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 48kB 112 total pagecache pages [ 47.461032] 0 pages in swap cache [ 47.461036] Swap cache stats: add 0, delete 0, find 0/0 [ 47.461038] Free swap = 0kB [ 47.461040] Total swap = 0kB [ 47.461042] 1965979 pages RAM [ 47.461044] 0 pages HighMem/MovableOnly [ 47.461046] 313617 pages reserved [ 47.461049] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 47.461063] [ 470] 0 470 5384 186 15 3 0 -1000 udevd [ 47.461074] [ 592] 0 592 5383 177 14 3 0 -1000 udevd [ 47.461084] [ 593] 0 593 5383 177 14 3 0 -1000 udevd [ 47.461094] [ 1766] 0 1766 2492 574 8 3 0 0 dhclient [ 47.461104] [ 1897] 0 1897 14264 108 23 3 0 0 rsyslogd [ 47.461113] [ 1939] 0 1939 4724 50 15 3 0 0 cron [ 47.461124] [ 1966] 0 1966 3735 45 11 3 0 0 mcstransd [ 47.461134] [ 1972] 0 1972 12926 1232 27 3 0 0 restorecond [ 47.461144] [ 1998] 0 1998 12489 153 30 3 0 -1000 sshd [ 47.461151] [ 2028] 0 2028 3648 40 12 3 0 0 getty [ 47.461158] [ 2053] 0 2053 17820 198 41 3 0 0 sshd [ 47.461166] [ 2055] 0 2055 33720 2271 28 5 0 0 syz-execprog [ 47.461173] [ 2061] 0 2061 3648 42 13 3 0 0 getty [ 47.461181] [ 2062] 0 2062 3648 44 13 4 0 0 getty [ 47.461188] [ 2063] 0 2063 3648 44 13 3 0 0 getty [ 47.461195] [ 2064] 0 2064 3648 41 13 3 0 0 getty [ 47.461202] [ 2065] 0 2065 3648 43 12 3 0 0 getty [ 47.461210] [ 2066] 0 2066 3648 43 14 3 0 0 getty [ 47.461217] [ 2074] 0 2074 9307 14 5 2 0 0 syz-executor2 [ 47.461225] [ 2075] 0 2075 9307 14 5 2 0 0 syz-executor3 [ 47.461232] [ 2076] 0 2076 9307 14 5 2 0 0 syz-executor4 [ 47.461240] [ 2078] 0 2078 9307 13 5 2 0 0 syz-executor5 [ 47.461247] [ 2079] 0 2079 9307 15 6 2 0 0 syz-executor3 [ 47.461254] [ 2080] 0 2080 9307 15 6 2 0 0 syz-executor4 [ 47.461262] [ 2081] 0 2081 9307 15 6 2 0 0 syz-executor2 [ 47.461269] [ 2082] 0 2082 9307 13 5 2 0 0 syz-executor0 [ 47.461277] [ 2083] 0 2083 9307 14 6 2 0 0 syz-executor5 [ 47.461288] [ 2084] 0 2084 9307 15 5 2 0 0 syz-executor1 [ 47.461297] [ 2085] 0 2085 9307 14 6 2 0 0 syz-executor0 [ 47.461307] [ 2086] 0 2086 9307 16 6 2 0 0 syz-executor1 [ 47.461319] [ 2220] 0 2219 9373 34 8 2 0 1000 syz-executor3 [ 47.461329] [ 2225] 0 2225 9373 34 8 2 0 1000 syz-executor3 [ 47.461337] [ 2234] 0 2231 9406 37 8 2 0 1000 syz-executor1 [ 47.461351] [ 2244] 0 2243 9373 33 8 2 0 1000 syz-executor5 [ 47.461363] [ 2247] 0 2247 9373 33 8 2 0 1000 syz-executor5 [ 47.461374] [ 2252] 0 2249 9439 37 8 2 0 1000 syz-executor2 [ 47.461388] [ 2261] 0 2255 9406 0 8 2 0 1000 syz-executor4 [ 47.461399] [ 2259] 0 2256 9373 33 8 2 0 1000 syz-executor0 [ 47.461413] [ 2265] 0 2265 9373 33 8 2 0 1000 syz-executor0 [ 47.461420] Out of memory: Kill process 2231 (syz-executor1) score 999 or sacrifice child [ 47.461594] Killed process 2234 (syz-executor1) total-vm:37624kB, anon-rss:116kB, file-rss:32kB, shmem-rss:0kB [ 47.462458] oom_reaper: reaped process 2234 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.462939] syz-executor2: [ 47.462944] vmalloc: allocation failure, allocated 377143296 of 3623886848 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 47.462957] CPU: 1 PID: 2254 Comm: syz-executor2 Not tainted 4.9.141+ #23 [ 47.462960] ffff88015d93f850 [ 47.462962] ffffffff81b42e79 1ffff1002bb27f0c dffffc0000000000 ffffffff82aa8ba0 [ 47.462969] 0000000000000000 0000000000400000 ffff88015d93f998 ffffffff814fc7c8 [ 47.462976] 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0Call Trace: [ 47.462991] [] dump_stack+0xc1/0x128 [ 47.462998] [] warn_alloc.cold.31+0x7f/0x9c [ 47.463004] [] ? zone_watermark_ok_safe+0x250/0x250 [ 47.463010] [] __vmalloc_node_range+0x3f8/0x600 [ 47.463016] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.463021] [] vmalloc+0x5b/0x70 [ 47.463025] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.463030] [] xt_alloc_table_info+0xc9/0x100 [ 47.463036] [] compat_do_replace.isra.10+0x116/0x380 [ 47.463042] [] ? translate_compat_table+0x1790/0x1790 [ 47.463048] [] ? mutex_lock_nested+0x6b7/0x900 [ 47.463054] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.463060] [] ? __cap_capable+0x168/0x1c0 [ 47.463067] [] ? ns_capable_common+0x12a/0x150 [ 47.463073] [] compat_do_ipt_set_ctl+0x102/0x140 [ 47.463079] [] compat_nf_setsockopt+0x8b/0x130 [ 47.463084] [] ? compat_do_replace.isra.10+0x380/0x380 [ 47.463090] [] compat_ip_setsockopt+0x97/0xd0 [ 47.463096] [] compat_udp_setsockopt+0x4a/0x90 [ 47.463102] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 47.463108] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 47.463114] [] inet_csk_compat_setsockopt+0x97/0x120 [ 47.463119] [] ? ipv6_setsockopt+0x130/0x130 [ 47.463124] [] compat_tcp_setsockopt+0x3d/0x70 [ 47.463130] [] compat_sock_common_setsockopt+0xb4/0x150 [ 47.463135] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 47.463141] [] compat_SyS_setsockopt+0x169/0x550 [ 47.463146] [] ? sock_common_setsockopt+0xe0/0xe0 [ 47.463152] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.463158] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 47.463164] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 47.463169] [] ? do_fast_syscall_32+0xcf/0xa10 [ 47.463174] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.463178] [] do_fast_syscall_32+0x2f1/0xa10 [ 47.463185] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.463191] [] entry_SYSENTER_compat+0x90/0xa2 [ 47.463195] Mem-Info: [ 47.463208] active_anon:5705 inactive_anon:42 isolated_anon:0 [ 47.463208] active_file:28 inactive_file:38 isolated_file:26 [ 47.463208] unevictable:0 dirty:14 writeback:1 unstable:0 [ 47.463208] slab_reclaimable:4561 slab_unreclaimable:57128 [ 47.463208] mapped:12 shmem:48 pagetables:441 bounce:0 [ 47.463208] free:0 free_pcp:13 free_cma:0 [ 47.463223] Node 0 active_anon:22820kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:48kB dirty:56kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.463239] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.463244] 0 3505 3505Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:22720kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18244kB slab_unreclaimable:228488kB kernel_stack:4320kB pagetables:1764kB bounce:0kB free_pcp:72kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.463272] oom_reaper: reaped process 2254 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.463273] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 112 total pagecache pages [ 47.463341] 0 pages in swap cache [ 47.463345] Swap cache stats: add 0, delete 0, find 0/0 [ 47.463347] Free swap = 0kB [ 47.463348] Total swap = 0kB [ 47.463351] 1965979 pages RAM [ 47.463353] 0 pages HighMem/MovableOnly [ 47.463354] 313617 pages reserved [ 47.466958] syz-executor0 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 47.466965] CPU: 1 PID: 2259 Comm: syz-executor0 Not tainted 4.9.141+ #23 [ 47.466969] ffff88015bc1f550 [ 47.466972] ffffffff81b42e79 ffff88015bc1f910 ffffffff833e92b0 00000000000003e8 [ 47.466983] ffff88015bc1f928 0000000000000000 ffff88015bc1f5d0 ffffffff814fb526 [ 47.466994] 0000000000000000 00000000000003e8 ffffffff82816fa5Call Trace: [ 47.467012] [] dump_stack+0xc1/0x128 [ 47.467020] [] dump_header.isra.4+0x142/0x747 [ 47.467028] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 47.467036] [] ? ___ratelimit+0x53/0x401 [ 47.467043] [] oom_kill_process.cold.10+0xd/0xa6e [ 47.467051] [] ? check_preemption_disabled+0x3b/0x200 [ 47.467060] [] ? out_of_memory+0x6d4/0xe90 [ 47.467067] [] out_of_memory+0x292/0xe90 [ 47.467074] [] ? out_of_memory+0x410/0xe90 [ 47.467082] [] ? oom_killer_disable+0x200/0x200 [ 47.467090] [] ? trace_hardirqs_on+0xd/0x10 [ 47.467098] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 47.467106] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 47.467112] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 47.467121] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.467130] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.467137] [] ? retint_kernel+0x2d/0x2d [ 47.467145] [] __vmalloc_node_range+0x25b/0x600 [ 47.467153] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.467160] [] vmalloc+0x5b/0x70 [ 47.467166] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.467173] [] xt_alloc_table_info+0xc9/0x100 [ 47.467181] [] compat_do_replace.isra.10+0x116/0x380 [ 47.467189] [] ? translate_compat_table+0x1790/0x1790 [ 47.467197] [] ? mutex_lock_nested+0x6b7/0x900 [ 47.467205] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.467213] [] ? __cap_capable+0x168/0x1c0 [ 47.467222] [] ? ns_capable_common+0x12a/0x150 [ 47.467230] [] compat_do_ipt_set_ctl+0x102/0x140 [ 47.467238] [] compat_nf_setsockopt+0x8b/0x130 [ 47.467246] [] ? compat_do_replace.isra.10+0x380/0x380 [ 47.467254] [] compat_ip_setsockopt+0x97/0xd0 [ 47.467261] [] compat_udp_setsockopt+0x4a/0x90 [ 47.467269] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 47.467278] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 47.467286] [] inet_csk_compat_setsockopt+0x97/0x120 [ 47.467293] [] ? ipv6_setsockopt+0x130/0x130 [ 47.467301] [] compat_tcp_setsockopt+0x3d/0x70 [ 47.467309] [] compat_sock_common_setsockopt+0xb4/0x150 [ 47.467316] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 47.467324] [] compat_SyS_setsockopt+0x169/0x550 [ 47.467331] [] ? sock_common_setsockopt+0xe0/0xe0 [ 47.467339] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.467348] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 47.467355] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 47.467362] [] ? do_fast_syscall_32+0xcf/0xa10 [ 47.467370] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.467376] [] do_fast_syscall_32+0x2f1/0xa10 [ 47.467384] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.467392] [] entry_SYSENTER_compat+0x90/0xa2 [ 47.467395] Mem-Info: [ 47.467417] active_anon:5680 inactive_anon:42 isolated_anon:0 [ 47.467417] active_file:28 inactive_file:38 isolated_file:26 [ 47.467417] unevictable:0 dirty:14 writeback:1 unstable:0 [ 47.467417] slab_reclaimable:4561 slab_unreclaimable:57128 [ 47.467417] mapped:12 shmem:48 pagetables:441 bounce:0 [ 47.467417] free:21 free_pcp:0 free_cma:0 [ 47.467429] Node 0 active_anon:22720kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:48kB dirty:56kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.467446] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.467450] 0 3505 3505Normal free:84kB min:5580kB low:9168kB high:12756kB active_anon:22720kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18244kB slab_unreclaimable:228488kB kernel_stack:4320kB pagetables:1764kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.467476] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 16*4kB (UM) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 72kB 112 total pagecache pages [ 47.467554] 0 pages in swap cache [ 47.467558] Swap cache stats: add 0, delete 0, find 0/0 [ 47.467560] Free swap = 0kB [ 47.467562] Total swap = 0kB [ 47.467564] 1965979 pages RAM [ 47.467566] 0 pages HighMem/MovableOnly [ 47.467568] 313617 pages reserved [ 47.467571] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 47.467583] [ 470] 0 470 5384 186 15 3 0 -1000 udevd [ 47.467591] [ 592] 0 592 5383 177 14 3 0 -1000 udevd [ 47.467598] [ 593] 0 593 5383 177 14 3 0 -1000 udevd [ 47.467606] [ 1766] 0 1766 2492 574 8 3 0 0 dhclient [ 47.467613] [ 1897] 0 1897 14264 108 23 3 0 0 rsyslogd [ 47.467620] [ 1939] 0 1939 4724 50 15 3 0 0 cron [ 47.467627] [ 1966] 0 1966 3735 45 11 3 0 0 mcstransd [ 47.467634] [ 1972] 0 1972 12926 1232 27 3 0 0 restorecond [ 47.467642] [ 1998] 0 1998 12489 153 30 3 0 -1000 sshd [ 47.467649] [ 2028] 0 2028 3648 40 12 3 0 0 getty [ 47.467656] [ 2053] 0 2053 17820 198 41 3 0 0 sshd [ 47.467663] [ 2055] 0 2055 33720 2271 28 5 0 0 syz-execprog [ 47.467671] [ 2061] 0 2061 3648 42 13 3 0 0 getty [ 47.467678] [ 2062] 0 2062 3648 44 13 4 0 0 getty [ 47.467685] [ 2063] 0 2063 3648 44 13 3 0 0 getty [ 47.467692] [ 2064] 0 2064 3648 41 13 3 0 0 getty [ 47.467699] [ 2065] 0 2065 3648 43 12 3 0 0 getty [ 47.467706] [ 2066] 0 2066 3648 43 14 3 0 0 getty [ 47.467713] [ 2074] 0 2074 9307 14 5 2 0 0 syz-executor2 [ 47.467720] [ 2075] 0 2075 9307 14 5 2 0 0 syz-executor3 [ 47.467727] [ 2076] 0 2076 9307 14 5 2 0 0 syz-executor4 [ 47.467734] [ 2078] 0 2078 9307 13 5 2 0 0 syz-executor5 [ 47.467741] [ 2079] 0 2079 9307 15 6 2 0 0 syz-executor3 [ 47.467749] [ 2080] 0 2080 9307 15 6 2 0 0 syz-executor4 [ 47.467756] [ 2081] 0 2081 9307 15 6 2 0 0 syz-executor2 [ 47.467763] [ 2082] 0 2082 9307 13 5 2 0 0 syz-executor0 [ 47.467770] [ 2083] 0 2083 9307 14 6 2 0 0 syz-executor5 [ 47.467777] [ 2084] 0 2084 9307 15 5 2 0 0 syz-executor1 [ 47.467784] [ 2085] 0 2085 9307 14 6 2 0 0 syz-executor0 [ 47.467791] [ 2086] 0 2086 9307 16 6 2 0 0 syz-executor1 [ 47.467799] [ 2220] 0 2219 9373 34 8 2 0 1000 syz-executor3 [ 47.467808] [ 2225] 0 2225 9373 34 8 2 0 1000 syz-executor3 [ 47.467815] [ 2234] 0 2231 9406 0 8 2 0 1000 syz-executor1 [ 47.467828] [ 2244] 0 2243 9373 33 8 2 0 1000 syz-executor5 [ 47.467838] [ 2247] 0 2247 9373 33 8 2 0 1000 syz-executor5 [ 47.467849] [ 2252] 0 2249 9439 0 8 2 0 1000 syz-executor2 [ 47.467870] [ 2261] 0 2255 9406 0 8 2 0 1000 syz-executor4 [ 47.467880] [ 2259] 0 2256 9373 33 8 2 0 1000 syz-executor0 [ 47.467893] [ 2265] 0 2265 9373 33 8 2 0 1000 syz-executor0 [ 47.467899] Out of memory: Kill process 2219 (syz-executor3) score 999 or sacrifice child [ 47.468058] Killed process 2225 (syz-executor3) total-vm:37492kB, anon-rss:104kB, file-rss:32kB, shmem-rss:0kB [ 47.469552] oom_reaper: reaped process 2225 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.496623] syz-executor1: [ 47.496630] vmalloc: allocation failure, allocated 676679680 of 3623886848 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 47.496643] CPU: 1 PID: 2234 Comm: syz-executor1 Not tainted 4.9.141+ #23 [ 47.496648] ffff88019550f850 [ 47.496650] ffffffff81b42e79 1ffff10032aa1f0c dffffc0000000000 ffffffff82aa8ba0 [ 47.496661] 0000000000000000 0000000000400000 ffff88019550f998 ffffffff814fc7c8 [ 47.496672] 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0Call Trace: [ 47.496692] [] dump_stack+0xc1/0x128 [ 47.496702] [] warn_alloc.cold.31+0x7f/0x9c [ 47.496712] [] ? zone_watermark_ok_safe+0x250/0x250 [ 47.496721] [] ? retint_kernel+0x2d/0x2d [ 47.496730] [] __vmalloc_node_range+0x3f8/0x600 [ 47.496739] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.496745] [] vmalloc+0x5b/0x70 [ 47.496752] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.496759] [] xt_alloc_table_info+0xc9/0x100 [ 47.496768] [] compat_do_replace.isra.10+0x116/0x380 [ 47.496776] [] ? translate_compat_table+0x1790/0x1790 [ 47.496785] [] ? mutex_lock_nested+0x6b7/0x900 [ 47.496793] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.496803] [] ? __cap_capable+0x168/0x1c0 [ 47.496812] [] ? ns_capable_common+0x12a/0x150 [ 47.496820] [] compat_do_ipt_set_ctl+0x102/0x140 [ 47.496829] [] compat_nf_setsockopt+0x8b/0x130 [ 47.496837] [] ? compat_do_replace.isra.10+0x380/0x380 [ 47.496846] [] compat_ip_setsockopt+0x97/0xd0 [ 47.496864] [] compat_udp_setsockopt+0x4a/0x90 [ 47.496871] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 47.496881] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 47.496889] [] inet_csk_compat_setsockopt+0x97/0x120 [ 47.496897] [] ? ipv6_setsockopt+0x130/0x130 [ 47.496903] [] compat_tcp_setsockopt+0x3d/0x70 [ 47.496912] [] compat_sock_common_setsockopt+0xb4/0x150 [ 47.496920] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 47.496929] [] compat_SyS_setsockopt+0x169/0x550 [ 47.496936] [] ? sock_common_setsockopt+0xe0/0xe0 [ 47.496944] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.496954] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 47.496962] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 47.496969] [] ? do_fast_syscall_32+0xcf/0xa10 [ 47.496977] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.496984] [] do_fast_syscall_32+0x2f1/0xa10 [ 47.496992] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.497000] [] entry_SYSENTER_compat+0x90/0xa2 [ 47.497003] Mem-Info: [ 47.497019] active_anon:5680 inactive_anon:42 isolated_anon:0 [ 47.497019] active_file:28 inactive_file:38 isolated_file:26 [ 47.497019] unevictable:0 dirty:14 writeback:1 unstable:0 [ 47.497019] slab_reclaimable:4561 slab_unreclaimable:57128 [ 47.497019] mapped:12 shmem:48 pagetables:441 bounce:0 [ 47.497019] free:0 free_pcp:15 free_cma:0 [ 47.497032] Node 0 active_anon:22720kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:48kB dirty:56kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.497049] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.497053] 0 3505 3505Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:22720kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18244kB slab_unreclaimable:228488kB kernel_stack:4288kB pagetables:1764kB bounce:0kB free_pcp:60kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.497079] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 112 total pagecache pages [ 47.497151] 0 pages in swap cache [ 47.497154] Swap cache stats: add 0, delete 0, find 0/0 [ 47.497157] Free swap = 0kB [ 47.497158] Total swap = 0kB [ 47.497161] 1965979 pages RAM [ 47.497163] 0 pages HighMem/MovableOnly [ 47.497165] 313617 pages reserved [ 47.555537] syz-executor0 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 47.555546] CPU: 1 PID: 2259 Comm: syz-executor0 Not tainted 4.9.141+ #23 [ 47.555552] ffff88015bc1f550 [ 47.555555] ffffffff81b42e79 ffff88015bc1f910 ffffffff833e92b0 00000000000003e8 [ 47.555565] ffff88015bc1f928 0000000000000000 ffff88015bc1f5d0 ffffffff814fb526 [ 47.555576] 0000000000000000 00000000000003e8 ffffffff82816fa5Call Trace: [ 47.555598] [] dump_stack+0xc1/0x128 [ 47.555607] [] dump_header.isra.4+0x142/0x747 [ 47.555616] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 47.555624] [] ? ___ratelimit+0x53/0x401 [ 47.555632] [] oom_kill_process.cold.10+0xd/0xa6e [ 47.555641] [] ? rcu_read_unlock_special+0x7e2/0xb20 [ 47.555649] [] ? out_of_memory+0x6d4/0xe90 [ 47.555656] [] out_of_memory+0x292/0xe90 [ 47.555663] [] ? out_of_memory+0x410/0xe90 [ 47.555671] [] ? oom_killer_disable+0x200/0x200 [ 47.555679] [] ? trace_hardirqs_on+0xd/0x10 [ 47.555687] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 47.555695] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 47.555702] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 47.555710] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.555720] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.555727] [] ? retint_kernel+0x2d/0x2d [ 47.555736] [] __vmalloc_node_range+0x25b/0x600 [ 47.555744] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.555751] [] vmalloc+0x5b/0x70 [ 47.555758] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.555764] [] xt_alloc_table_info+0xc9/0x100 [ 47.555773] [] compat_do_replace.isra.10+0x116/0x380 [ 47.555781] [] ? translate_compat_table+0x1790/0x1790 [ 47.555789] [] ? mutex_lock_nested+0x6b7/0x900 [ 47.555797] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.555805] [] ? __cap_capable+0x168/0x1c0 [ 47.555815] [] ? ns_capable_common+0x12a/0x150 [ 47.555823] [] compat_do_ipt_set_ctl+0x102/0x140 [ 47.555831] [] compat_nf_setsockopt+0x8b/0x130 [ 47.555839] [] ? compat_do_replace.isra.10+0x380/0x380 [ 47.555847] [] compat_ip_setsockopt+0x97/0xd0 [ 47.555865] [] compat_udp_setsockopt+0x4a/0x90 [ 47.555873] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 47.555882] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 47.555891] [] inet_csk_compat_setsockopt+0x97/0x120 [ 47.555897] [] ? ipv6_setsockopt+0x130/0x130 [ 47.555905] [] compat_tcp_setsockopt+0x3d/0x70 [ 47.555913] [] compat_sock_common_setsockopt+0xb4/0x150 [ 47.555920] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 47.555929] [] compat_SyS_setsockopt+0x169/0x550 [ 47.555936] [] ? sock_common_setsockopt+0xe0/0xe0 [ 47.555944] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.555952] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 47.555960] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 47.555967] [] ? do_fast_syscall_32+0xcf/0xa10 [ 47.555975] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.555982] [] do_fast_syscall_32+0x2f1/0xa10 [ 47.555990] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.555998] [] entry_SYSENTER_compat+0x90/0xa2 [ 47.556001] Mem-Info: [ 47.556018] active_anon:5680 inactive_anon:42 isolated_anon:0 [ 47.556018] active_file:28 inactive_file:38 isolated_file:26 [ 47.556018] unevictable:0 dirty:14 writeback:1 unstable:0 [ 47.556018] slab_reclaimable:4561 slab_unreclaimable:57128 [ 47.556018] mapped:12 shmem:48 pagetables:441 bounce:0 [ 47.556018] free:0 free_pcp:15 free_cma:0 [ 47.556031] Node 0 active_anon:22720kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:48kB dirty:56kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.556048] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.556051] 0 3505 3505Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:22720kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18244kB slab_unreclaimable:228488kB kernel_stack:4288kB pagetables:1764kB bounce:0kB free_pcp:60kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.556078] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 112 total pagecache pages [ 47.556152] 0 pages in swap cache [ 47.556156] Swap cache stats: add 0, delete 0, find 0/0 [ 47.556158] Free swap = 0kB [ 47.556160] Total swap = 0kB [ 47.556162] 1965979 pages RAM [ 47.556164] 0 pages HighMem/MovableOnly [ 47.556166] 313617 pages reserved [ 47.556174] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 47.556331] [ 470] 0 470 5384 186 15 3 0 -1000 udevd [ 47.556341] [ 592] 0 592 5383 177 14 3 0 -1000 udevd [ 47.556351] [ 593] 0 593 5383 177 14 3 0 -1000 udevd [ 47.556361] [ 1766] 0 1766 2492 574 8 3 0 0 dhclient [ 47.556399] [ 1897] 0 1897 14264 108 23 3 0 0 rsyslogd [ 47.556409] [ 1939] 0 1939 4724 50 15 3 0 0 cron [ 47.556418] [ 1966] 0 1966 3735 45 11 3 0 0 mcstransd [ 47.556427] [ 1972] 0 1972 12926 1232 27 3 0 0 restorecond [ 47.556437] [ 1998] 0 1998 12489 153 30 3 0 -1000 sshd [ 47.556446] [ 2028] 0 2028 3648 40 12 3 0 0 getty [ 47.556456] [ 2053] 0 2053 17820 198 41 3 0 0 sshd [ 47.556466] [ 2055] 0 2055 33720 2271 28 5 0 0 syz-execprog [ 47.556473] [ 2061] 0 2061 3648 42 13 3 0 0 getty [ 47.556480] [ 2062] 0 2062 3648 44 13 4 0 0 getty [ 47.556488] [ 2063] 0 2063 3648 44 13 3 0 0 getty [ 47.556495] [ 2064] 0 2064 3648 41 13 3 0 0 getty [ 47.556503] [ 2065] 0 2065 3648 43 12 3 0 0 getty [ 47.556510] [ 2066] 0 2066 3648 43 14 3 0 0 getty [ 47.556518] [ 2074] 0 2074 9307 14 5 2 0 0 syz-executor2 [ 47.556525] [ 2075] 0 2075 9307 14 5 2 0 0 syz-executor3 [ 47.556532] [ 2076] 0 2076 9307 14 5 2 0 0 syz-executor4 [ 47.556540] [ 2078] 0 2078 9307 13 5 2 0 0 syz-executor5 [ 47.556547] [ 2079] 0 2079 9307 15 6 2 0 0 syz-executor3 [ 47.556555] [ 2080] 0 2080 9307 15 6 2 0 0 syz-executor4 [ 47.556562] [ 2081] 0 2081 9307 15 6 2 0 0 syz-executor2 [ 47.556569] [ 2082] 0 2082 9307 13 5 2 0 0 syz-executor0 [ 47.556577] [ 2083] 0 2083 9307 14 6 2 0 0 syz-executor5 [ 47.556587] [ 2084] 0 2084 9307 15 5 2 0 0 syz-executor1 [ 47.556597] [ 2085] 0 2085 9307 14 6 2 0 0 syz-executor0 [ 47.556607] [ 2086] 0 2086 9307 16 6 2 0 0 syz-executor1 [ 47.556618] [ 2220] 0 2219 9373 0 8 2 0 1000 syz-executor3 [ 47.556629] [ 2234] 0 2231 9406 0 8 2 0 1000 syz-executor1 [ 47.556643] [ 2244] 0 2243 9373 33 8 2 0 1000 syz-executor5 [ 47.556655] [ 2247] 0 2247 9373 33 8 2 0 1000 syz-executor5 [ 47.556666] [ 2252] 0 2249 9439 0 8 2 0 1000 syz-executor2 [ 47.556680] [ 2261] 0 2255 9406 0 8 2 0 1000 syz-executor4 [ 47.556691] [ 2259] 0 2256 9373 33 8 2 0 1000 syz-executor0 [ 47.556706] [ 2265] 0 2265 9373 33 8 2 0 1000 syz-executor0 [ 47.556713] Out of memory: Kill process 2243 (syz-executor5) score 999 or sacrifice child [ 47.556743] Killed process 2247 (syz-executor5) total-vm:37492kB, anon-rss:100kB, file-rss:32kB, shmem-rss:0kB [ 47.566686] oom_reaper: reaped process 2247 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.570718] syz-executor3 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 47.570726] CPU: 0 PID: 2220 Comm: syz-executor3 Not tainted 4.9.141+ #23 [ 47.570730] ffff8801ca737550 [ 47.570733] ffffffff81b42e79 ffff8801ca737910 ffffffff833e92b0 00000000000003e8 [ 47.570742] ffff8801ca737928 0000000000000000 ffff8801ca7375d0 ffffffff814fb526 [ 47.570751] 0000000000000000 00000000000003e8 ffffffff82816fa5Call Trace: [ 47.570770] [] dump_stack+0xc1/0x128 [ 47.570780] [] dump_header.isra.4+0x142/0x747 [ 47.570788] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 47.570795] [] ? ___ratelimit+0x53/0x401 [ 47.570802] [] oom_kill_process.cold.10+0xd/0xa6e [ 47.570810] [] ? check_preemption_disabled+0x3b/0x200 [ 47.570818] [] ? out_of_memory+0x6d4/0xe90 [ 47.570825] [] out_of_memory+0x292/0xe90 [ 47.570832] [] ? out_of_memory+0x410/0xe90 [ 47.570839] [] ? oom_killer_disable+0x200/0x200 [ 47.570846] [] ? trace_hardirqs_on+0xd/0x10 [ 47.570863] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 47.570870] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 47.570876] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 47.570884] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.570893] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.570905] [] ? check_preemption_disabled+0x3b/0x200 [ 47.570912] [] ? retint_kernel+0x2d/0x2d [ 47.570919] [] __vmalloc_node_range+0x25b/0x600 [ 47.570927] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.570933] [] vmalloc+0x5b/0x70 [ 47.570939] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.570945] [] xt_alloc_table_info+0xc9/0x100 [ 47.570953] [] compat_do_replace.isra.10+0x116/0x380 [ 47.570961] [] ? translate_compat_table+0x1790/0x1790 [ 47.570970] [] ? mutex_lock_nested+0x6b7/0x900 [ 47.570976] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.570985] [] ? __cap_capable+0x168/0x1c0 [ 47.570994] [] ? ns_capable_common+0x12a/0x150 [ 47.571001] [] compat_do_ipt_set_ctl+0x102/0x140 [ 47.571009] [] compat_nf_setsockopt+0x8b/0x130 [ 47.571017] [] ? compat_do_replace.isra.10+0x380/0x380 [ 47.571025] [] compat_ip_setsockopt+0x97/0xd0 [ 47.571033] [] compat_udp_setsockopt+0x4a/0x90 [ 47.571040] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 47.571049] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 47.571057] [] inet_csk_compat_setsockopt+0x97/0x120 [ 47.571064] [] ? ipv6_setsockopt+0x130/0x130 [ 47.571072] [] compat_tcp_setsockopt+0x3d/0x70 [ 47.571080] [] compat_sock_common_setsockopt+0xb4/0x150 [ 47.571086] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 47.571095] [] compat_SyS_setsockopt+0x169/0x550 [ 47.571102] [] ? sock_common_setsockopt+0xe0/0xe0 [ 47.571109] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.571118] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 47.571126] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 47.571132] [] ? do_fast_syscall_32+0xcf/0xa10 [ 47.571139] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.571146] [] do_fast_syscall_32+0x2f1/0xa10 [ 47.571153] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.571161] [] entry_SYSENTER_compat+0x90/0xa2 [ 47.571164] Mem-Info: [ 47.571180] active_anon:5680 inactive_anon:42 isolated_anon:0 [ 47.571180] active_file:28 inactive_file:38 isolated_file:26 [ 47.571180] unevictable:0 dirty:14 writeback:1 unstable:0 [ 47.571180] slab_reclaimable:4561 slab_unreclaimable:57128 [ 47.571180] mapped:12 shmem:48 pagetables:441 bounce:0 [ 47.571180] free:0 free_pcp:30 free_cma:0 [ 47.571191] Node 0 active_anon:22720kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:48kB dirty:56kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.571206] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.571209] 0 3505 3505Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:22720kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18244kB slab_unreclaimable:228488kB kernel_stack:4256kB pagetables:1764kB bounce:0kB free_pcp:120kB local_pcp:60kB free_cma:0kB lowmem_reserve[]: [ 47.571233] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32kB 112 total pagecache pages [ 47.571305] 0 pages in swap cache [ 47.571308] Swap cache stats: add 0, delete 0, find 0/0 [ 47.571310] Free swap = 0kB [ 47.571312] Total swap = 0kB [ 47.571314] 1965979 pages RAM [ 47.571316] 0 pages HighMem/MovableOnly [ 47.571318] 313617 pages reserved [ 47.571320] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 47.571334] [ 470] 0 470 5384 186 15 3 0 -1000 udevd [ 47.571344] [ 592] 0 592 5383 177 14 3 0 -1000 udevd [ 47.571353] [ 593] 0 593 5383 177 14 3 0 -1000 udevd [ 47.571362] [ 1766] 0 1766 2492 574 8 3 0 0 dhclient [ 47.571371] [ 1897] 0 1897 14264 108 23 3 0 0 rsyslogd [ 47.571380] [ 1939] 0 1939 4724 50 15 3 0 0 cron [ 47.571389] [ 1966] 0 1966 3735 45 11 3 0 0 mcstransd [ 47.571399] [ 1972] 0 1972 12926 1232 27 3 0 0 restorecond [ 47.571408] [ 1998] 0 1998 12489 153 30 3 0 -1000 sshd [ 47.571417] [ 2028] 0 2028 3648 40 12 3 0 0 getty [ 47.571426] [ 2053] 0 2053 17820 198 41 3 0 0 sshd [ 47.571435] [ 2055] 0 2055 33720 2271 28 5 0 0 syz-execprog [ 47.571444] [ 2061] 0 2061 3648 42 13 3 0 0 getty [ 47.571457] [ 2062] 0 2062 3648 44 13 4 0 0 getty [ 47.571466] [ 2063] 0 2063 3648 44 13 3 0 0 getty [ 47.571475] [ 2064] 0 2064 3648 41 13 3 0 0 getty [ 47.571484] [ 2065] 0 2065 3648 43 12 3 0 0 getty [ 47.571493] [ 2066] 0 2066 3648 43 14 3 0 0 getty [ 47.571502] [ 2074] 0 2074 9307 14 5 2 0 0 syz-executor2 [ 47.571511] [ 2075] 0 2075 9307 14 5 2 0 0 syz-executor3 [ 47.571521] [ 2076] 0 2076 9307 14 5 2 0 0 syz-executor4 [ 47.571530] [ 2078] 0 2078 9307 13 5 2 0 0 syz-executor5 [ 47.571540] [ 2079] 0 2079 9307 15 6 2 0 0 syz-executor3 [ 47.571550] [ 2080] 0 2080 9307 15 6 2 0 0 syz-executor4 [ 47.571560] [ 2081] 0 2081 9307 15 6 2 0 0 syz-executor2 [ 47.571569] [ 2082] 0 2082 9307 13 5 2 0 0 syz-executor0 [ 47.571579] [ 2083] 0 2083 9307 14 6 2 0 0 syz-executor5 [ 47.571589] [ 2084] 0 2084 9307 15 5 2 0 0 syz-executor1 [ 47.571599] [ 2085] 0 2085 9307 14 6 2 0 0 syz-executor0 [ 47.571608] [ 2086] 0 2086 9307 16 6 2 0 0 syz-executor1 [ 47.571619] [ 2220] 0 2219 9373 0 8 2 0 1000 syz-executor3 [ 47.571631] [ 2234] 0 2231 9406 0 8 2 0 1000 syz-executor1 [ 47.571644] [ 2244] 0 2243 9373 0 8 2 0 1000 syz-executor5 [ 47.571658] [ 2252] 0 2249 9439 0 8 2 0 1000 syz-executor2 [ 47.571670] [ 2261] 0 2255 9406 0 8 2 0 1000 syz-executor4 [ 47.571681] [ 2259] 0 2256 9373 33 8 2 0 1000 syz-executor0 [ 47.571694] [ 2265] 0 2265 9373 33 8 2 0 1000 syz-executor0 [ 47.571701] Out of memory: Kill process 2256 (syz-executor0) score 999 or sacrifice child [ 47.571730] Killed process 2265 (syz-executor0) total-vm:37492kB, anon-rss:100kB, file-rss:32kB, shmem-rss:0kB [ 47.572699] oom_reaper: reaped process 2265 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.577313] syz-executor0 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 47.577320] CPU: 1 PID: 2259 Comm: syz-executor0 Not tainted 4.9.141+ #23 [ 47.577325] ffff88015bc1f550 [ 47.577327] ffffffff81b42e79 ffff88015bc1f910 ffffffff833e92b0 00000000000003e8 [ 47.577338] ffff88015bc1f928 0000000000000000 ffff88015bc1f5d0 ffffffff814fb526 [ 47.577349] 0000000000000000 00000000000003e8 ffffffff82816fa5Call Trace: [ 47.577368] [] dump_stack+0xc1/0x128 [ 47.577378] [] dump_header.isra.4+0x142/0x747 [ 47.577386] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 47.577399] [] ? ___ratelimit+0x53/0x401 [ 47.577407] [] oom_kill_process.cold.10+0xd/0xa6e [ 47.577416] [] ? rcu_read_unlock_special+0x6d0/0xb20 [ 47.577424] [] ? out_of_memory+0x6d4/0xe90 [ 47.577431] [] out_of_memory+0x292/0xe90 [ 47.577438] [] ? out_of_memory+0x410/0xe90 [ 47.577446] [] ? oom_killer_disable+0x200/0x200 [ 47.577453] [] ? trace_hardirqs_on+0xd/0x10 [ 47.577461] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 47.577469] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 47.577476] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 47.577485] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.577494] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.577501] [] ? retint_kernel+0x2d/0x2d [ 47.577509] [] __vmalloc_node_range+0x25b/0x600 [ 47.577517] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.577524] [] vmalloc+0x5b/0x70 [ 47.577531] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.577538] [] xt_alloc_table_info+0xc9/0x100 [ 47.577547] [] compat_do_replace.isra.10+0x116/0x380 [ 47.577555] [] ? translate_compat_table+0x1790/0x1790 [ 47.577563] [] ? mutex_lock_nested+0x6b7/0x900 [ 47.577570] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.577579] [] ? __cap_capable+0x168/0x1c0 [ 47.577589] [] ? ns_capable_common+0x12a/0x150 [ 47.577596] [] compat_do_ipt_set_ctl+0x102/0x140 [ 47.577605] [] compat_nf_setsockopt+0x8b/0x130 [ 47.577612] [] ? compat_do_replace.isra.10+0x380/0x380 [ 47.577620] [] compat_ip_setsockopt+0x97/0xd0 [ 47.577628] [] compat_udp_setsockopt+0x4a/0x90 [ 47.577636] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 47.577644] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 47.577652] [] inet_csk_compat_setsockopt+0x97/0x120 [ 47.577660] [] ? ipv6_setsockopt+0x130/0x130 [ 47.577667] [] compat_tcp_setsockopt+0x3d/0x70 [ 47.577675] [] compat_sock_common_setsockopt+0xb4/0x150 [ 47.577682] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 47.577691] [] compat_SyS_setsockopt+0x169/0x550 [ 47.577698] [] ? sock_common_setsockopt+0xe0/0xe0 [ 47.577706] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.577714] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 47.577723] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 47.577729] [] ? do_fast_syscall_32+0xcf/0xa10 [ 47.577737] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.577744] [] do_fast_syscall_32+0x2f1/0xa10 [ 47.577751] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.577760] [] entry_SYSENTER_compat+0x90/0xa2 [ 47.577763] Mem-Info: [ 47.577778] active_anon:5655 inactive_anon:42 isolated_anon:0 [ 47.577778] active_file:28 inactive_file:38 isolated_file:26 [ 47.577778] unevictable:0 dirty:14 writeback:1 unstable:0 [ 47.577778] slab_reclaimable:4561 slab_unreclaimable:57128 [ 47.577778] mapped:12 shmem:48 pagetables:441 bounce:0 [ 47.577778] free:8 free_pcp:45 free_cma:0 [ 47.577791] Node 0 active_anon:22620kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:48kB dirty:56kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.577809] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.577812] 0 3505 3505Normal free:32kB min:5580kB low:9168kB high:12756kB active_anon:22620kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18244kB slab_unreclaimable:228488kB kernel_stack:4224kB pagetables:1764kB bounce:0kB free_pcp:180kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: [ 47.577838] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 64kB 112 total pagecache pages [ 47.577922] 0 pages in swap cache [ 47.577926] Swap cache stats: add 0, delete 0, find 0/0 [ 47.577928] Free swap = 0kB [ 47.577930] Total swap = 0kB [ 47.577932] 1965979 pages RAM [ 47.577934] 0 pages HighMem/MovableOnly [ 47.577936] 313617 pages reserved [ 47.577939] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 47.577952] [ 470] 0 470 5384 186 15 3 0 -1000 udevd [ 47.577963] [ 592] 0 592 5383 177 14 3 0 -1000 udevd [ 47.577970] [ 593] 0 593 5383 177 14 3 0 -1000 udevd [ 47.577978] [ 1766] 0 1766 2492 574 8 3 0 0 dhclient [ 47.577985] [ 1897] 0 1897 14264 108 23 3 0 0 rsyslogd [ 47.577993] [ 1939] 0 1939 4724 50 15 3 0 0 cron [ 47.578000] [ 1966] 0 1966 3735 45 11 3 0 0 mcstransd [ 47.578007] [ 1972] 0 1972 12926 1232 27 3 0 0 restorecond [ 47.578015] [ 1998] 0 1998 12489 153 30 3 0 -1000 sshd [ 47.578022] [ 2028] 0 2028 3648 40 12 3 0 0 getty [ 47.578029] [ 2053] 0 2053 17820 198 41 3 0 0 sshd [ 47.578036] [ 2055] 0 2055 33720 2271 28 5 0 0 syz-execprog [ 47.578043] [ 2061] 0 2061 3648 42 13 3 0 0 getty [ 47.578051] [ 2062] 0 2062 3648 44 13 4 0 0 getty [ 47.578058] [ 2063] 0 2063 3648 44 13 3 0 0 getty [ 47.578065] [ 2064] 0 2064 3648 41 13 3 0 0 getty [ 47.578072] [ 2065] 0 2065 3648 43 12 3 0 0 getty [ 47.578079] [ 2066] 0 2066 3648 43 14 3 0 0 getty [ 47.578090] [ 2074] 0 2074 9307 14 5 2 0 0 syz-executor2 [ 47.578100] [ 2075] 0 2075 9307 14 5 2 0 0 syz-executor3 [ 47.578110] [ 2076] 0 2076 9307 14 5 2 0 0 syz-executor4 [ 47.578120] [ 2078] 0 2078 9307 13 5 2 0 0 syz-executor5 [ 47.578129] [ 2079] 0 2079 9307 15 6 2 0 0 syz-executor3 [ 47.578136] [ 2080] 0 2080 9307 15 6 2 0 0 syz-executor4 [ 47.578144] [ 2081] 0 2081 9307 15 6 2 0 0 syz-executor2 [ 47.578151] [ 2082] 0 2082 9307 13 5 2 0 0 syz-executor0 [ 47.578158] [ 2083] 0 2083 9307 14 6 2 0 0 syz-executor5 [ 47.578165] [ 2084] 0 2084 9307 15 5 2 0 0 syz-executor1 [ 47.578173] [ 2085] 0 2085 9307 14 6 2 0 0 syz-executor0 [ 47.578180] [ 2086] 0 2086 9307 16 6 2 0 0 syz-executor1 [ 47.578188] [ 2220] 0 2219 9373 0 8 2 0 1000 syz-executor3 [ 47.578197] [ 2234] 0 2231 9406 0 8 2 0 1000 syz-executor1 [ 47.578209] [ 2244] 0 2243 9373 0 8 2 0 1000 syz-executor5 [ 47.578222] [ 2252] 0 2249 9439 0 8 2 0 1000 syz-executor2 [ 47.578235] [ 2261] 0 2255 9406 0 8 2 0 1000 syz-executor4 [ 47.578245] [ 2259] 0 2256 9373 0 8 2 0 1000 syz-executor0 [ 47.578256] Out of memory: Kill process 2055 (syz-execprog) score 1 or sacrifice child [ 47.580641] Killed process 2084 (syz-executor1) total-vm:37228kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 47.582493] syz-executor4 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 47.582500] CPU: 0 PID: 2261 Comm: syz-executor4 Not tainted 4.9.141+ #23 [ 47.582504] ffff88015897f550 [ 47.582507] ffffffff81b42e79 ffff88015897f910 ffffffff833e92b0 00000000000003e8 [ 47.582518] ffff88015897f928 0000000000000000 ffff88015897f5d0 ffffffff814fb526 [ 47.582528] 0000000000000000 00000000000003e8 ffffffff82816fa5Call Trace: [ 47.582546] [] dump_stack+0xc1/0x128 [ 47.582555] [] dump_header.isra.4+0x142/0x747 [ 47.582563] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 47.582570] [] ? ___ratelimit+0x53/0x401 [ 47.582578] [] oom_kill_process.cold.10+0xd/0xa6e [ 47.582586] [] ? check_preemption_disabled+0x3b/0x200 [ 47.582594] [] ? out_of_memory+0x6d4/0xe90 [ 47.582602] [] out_of_memory+0x292/0xe90 [ 47.582609] [] ? out_of_memory+0x410/0xe90 [ 47.582617] [] ? oom_killer_disable+0x200/0x200 [ 47.582624] [] ? trace_hardirqs_on+0xd/0x10 [ 47.582632] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 47.582640] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 47.582647] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 47.582655] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.582664] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.582671] [] ? retint_kernel+0x2d/0x2d [ 47.582679] [] __vmalloc_node_range+0x25b/0x600 [ 47.582687] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.582694] [] vmalloc+0x5b/0x70 [ 47.582701] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.582708] [] xt_alloc_table_info+0xc9/0x100 [ 47.582716] [] compat_do_replace.isra.10+0x116/0x380 [ 47.582724] [] ? translate_compat_table+0x1790/0x1790 [ 47.582733] [] ? mutex_lock_nested+0x6b7/0x900 [ 47.582740] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.582748] [] ? __cap_capable+0x168/0x1c0 [ 47.582757] [] ? ns_capable_common+0x12a/0x150 [ 47.582765] [] compat_do_ipt_set_ctl+0x102/0x140 [ 47.582773] [] compat_nf_setsockopt+0x8b/0x130 [ 47.582781] [] ? compat_do_replace.isra.10+0x380/0x380 [ 47.582789] [] compat_ip_setsockopt+0x97/0xd0 [ 47.582797] [] compat_udp_setsockopt+0x4a/0x90 [ 47.582805] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 47.582813] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 47.582822] [] inet_csk_compat_setsockopt+0x97/0x120 [ 47.582829] [] ? ipv6_setsockopt+0x130/0x130 [ 47.582836] [] compat_tcp_setsockopt+0x3d/0x70 [ 47.582844] [] compat_sock_common_setsockopt+0xb4/0x150 [ 47.582860] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 47.582868] [] compat_SyS_setsockopt+0x169/0x550 [ 47.582875] [] ? sock_common_setsockopt+0xe0/0xe0 [ 47.582882] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.582890] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 47.582903] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 47.582909] [] ? do_fast_syscall_32+0xcf/0xa10 [ 47.582916] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.582922] [] do_fast_syscall_32+0x2f1/0xa10 [ 47.582930] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.582937] [] entry_SYSENTER_compat+0x90/0xa2 [ 47.582940] Mem-Info: [ 47.582955] active_anon:5605 inactive_anon:42 isolated_anon:0 [ 47.582955] active_file:28 inactive_file:38 isolated_file:26 [ 47.582955] unevictable:0 dirty:14 writeback:1 unstable:0 [ 47.582955] slab_reclaimable:4561 slab_unreclaimable:57128 [ 47.582955] mapped:12 shmem:48 pagetables:441 bounce:0 [ 47.582955] free:8 free_pcp:93 free_cma:0 [ 47.582966] Node 0 active_anon:22420kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:48kB dirty:56kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.582982] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.582985] 0 3505 3505Normal free:32kB min:5580kB low:9168kB high:12756kB active_anon:22420kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18244kB slab_unreclaimable:228488kB kernel_stack:4192kB pagetables:1764kB bounce:0kB free_pcp:372kB local_pcp:128kB free_cma:0kB lowmem_reserve[]: [ 47.583009] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 3*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 96kB 112 total pagecache pages [ 47.583078] 0 pages in swap cache [ 47.583082] Swap cache stats: add 0, delete 0, find 0/0 [ 47.583084] Free swap = 0kB [ 47.583086] Total swap = 0kB [ 47.583088] 1965979 pages RAM [ 47.583090] 0 pages HighMem/MovableOnly [ 47.583092] 313617 pages reserved [ 47.583094] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 47.583107] [ 470] 0 470 5384 186 15 3 0 -1000 udevd [ 47.583117] [ 592] 0 592 5383 177 14 3 0 -1000 udevd [ 47.583126] [ 593] 0 593 5383 177 14 3 0 -1000 udevd [ 47.583136] [ 1766] 0 1766 2492 574 8 3 0 0 dhclient [ 47.583144] [ 1897] 0 1897 14264 108 23 3 0 0 rsyslogd [ 47.583153] [ 1939] 0 1939 4724 50 15 3 0 0 cron [ 47.583162] [ 1966] 0 1966 3735 45 11 3 0 0 mcstransd [ 47.583171] [ 1972] 0 1972 12926 1232 27 3 0 0 restorecond [ 47.583180] [ 1998] 0 1998 12489 153 30 3 0 -1000 sshd [ 47.583189] [ 2028] 0 2028 3648 40 12 3 0 0 getty [ 47.583199] [ 2053] 0 2053 17820 198 41 3 0 0 sshd [ 47.583208] [ 2055] 0 2055 33720 2271 28 5 0 0 syz-execprog [ 47.583217] [ 2061] 0 2061 3648 42 13 3 0 0 getty [ 47.583226] [ 2062] 0 2062 3648 44 13 4 0 0 getty [ 47.583235] [ 2063] 0 2063 3648 44 13 3 0 0 getty [ 47.583244] [ 2064] 0 2064 3648 41 13 3 0 0 getty [ 47.583253] [ 2065] 0 2065 3648 43 12 3 0 0 getty [ 47.583262] [ 2066] 0 2066 3648 43 14 3 0 0 getty [ 47.583271] [ 2074] 0 2074 9307 14 5 2 0 0 syz-executor2 [ 47.583280] [ 2075] 0 2075 9307 14 5 2 0 0 syz-executor3 [ 47.583289] [ 2076] 0 2076 9307 14 5 2 0 0 syz-executor4 [ 47.583298] [ 2078] 0 2078 9307 13 5 2 0 0 syz-executor5 [ 47.583307] [ 2079] 0 2079 9307 15 6 2 0 0 syz-executor3 [ 47.583316] [ 2080] 0 2080 9307 15 6 2 0 0 syz-executor4 [ 47.583325] [ 2081] 0 2081 9307 15 6 2 0 0 syz-executor2 [ 47.583335] [ 2082] 0 2082 9307 13 5 2 0 0 syz-executor0 [ 47.583344] [ 2083] 0 2083 9307 14 6 2 0 0 syz-executor5 [ 47.583354] [ 2085] 0 2085 9307 14 6 2 0 0 syz-executor0 [ 47.583365] [ 2220] 0 2219 9373 0 8 2 0 1000 syz-executor3 [ 47.583376] [ 2234] 0 2231 9406 0 8 2 0 1000 syz-executor1 [ 47.583388] [ 2244] 0 2243 9373 0 8 2 0 1000 syz-executor5 [ 47.583399] [ 2252] 0 2249 9439 0 8 2 0 1000 syz-executor2 [ 47.583410] [ 2261] 0 2255 9406 0 8 2 0 1000 syz-executor4 [ 47.583419] [ 2259] 0 2256 9373 0 8 2 0 1000 syz-executor0 [ 47.583429] Out of memory: Kill process 2055 (syz-execprog) score 1 or sacrifice child [ 47.583467] Killed process 2074 (syz-executor2) total-vm:37228kB, anon-rss:56kB, file-rss:0kB, shmem-rss:0kB [ 47.590580] syz-executor4 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 47.590588] CPU: 0 PID: 2261 Comm: syz-executor4 Not tainted 4.9.141+ #23 [ 47.590592] ffff88015897f550 [ 47.590595] ffffffff81b42e79 ffff88015897f910 ffffffff833e92b0 00000000000003e8 [ 47.590606] ffff88015897f928 0000000000000000 ffff88015897f5d0 ffffffff814fb526 [ 47.590616] 0000000000000000 00000000000003e8 ffffffff82816fa5Call Trace: [ 47.590635] [] dump_stack+0xc1/0x128 [ 47.590644] [] dump_header.isra.4+0x142/0x747 [ 47.590651] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 47.590659] [] ? ___ratelimit+0x53/0x401 [ 47.590666] [] oom_kill_process.cold.10+0xd/0xa6e [ 47.590675] [] ? check_preemption_disabled+0x3b/0x200 [ 47.590683] [] ? out_of_memory+0x6d4/0xe90 [ 47.590690] [] out_of_memory+0x292/0xe90 [ 47.590697] [] ? out_of_memory+0x410/0xe90 [ 47.590705] [] ? oom_killer_disable+0x200/0x200 [ 47.590712] [] ? trace_hardirqs_on+0xd/0x10 [ 47.590721] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 47.590729] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 47.590736] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 47.590744] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.590754] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.590761] [] ? retint_kernel+0x2d/0x2d [ 47.590769] [] __vmalloc_node_range+0x25b/0x600 [ 47.590777] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.590783] [] vmalloc+0x5b/0x70 [ 47.590791] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.590797] [] xt_alloc_table_info+0xc9/0x100 [ 47.590806] [] compat_do_replace.isra.10+0x116/0x380 [ 47.590814] [] ? translate_compat_table+0x1790/0x1790 [ 47.590822] [] ? mutex_lock_nested+0x6b7/0x900 [ 47.590829] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.590838] [] ? __cap_capable+0x168/0x1c0 [ 47.590855] [] ? ns_capable_common+0x12a/0x150 [ 47.590863] [] compat_do_ipt_set_ctl+0x102/0x140 [ 47.590871] [] compat_nf_setsockopt+0x8b/0x130 [ 47.590879] [] ? compat_do_replace.isra.10+0x380/0x380 [ 47.590887] [] compat_ip_setsockopt+0x97/0xd0 [ 47.590901] [] compat_udp_setsockopt+0x4a/0x90 [ 47.590908] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 47.590917] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 47.590926] [] inet_csk_compat_setsockopt+0x97/0x120 [ 47.590933] [] ? ipv6_setsockopt+0x130/0x130 [ 47.590940] [] compat_tcp_setsockopt+0x3d/0x70 [ 47.590948] [] compat_sock_common_setsockopt+0xb4/0x150 [ 47.590956] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 47.590964] [] compat_SyS_setsockopt+0x169/0x550 [ 47.590971] [] ? sock_common_setsockopt+0xe0/0xe0 [ 47.590979] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.590987] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 47.590995] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 47.591002] [] ? do_fast_syscall_32+0xcf/0xa10 [ 47.591009] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.591016] [] do_fast_syscall_32+0x2f1/0xa10 [ 47.591024] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.591032] [] entry_SYSENTER_compat+0x90/0xa2 [ 47.591035] Mem-Info: [ 47.591051] active_anon:5605 inactive_anon:42 isolated_anon:0 [ 47.591051] active_file:28 inactive_file:38 isolated_file:26 [ 47.591051] unevictable:0 dirty:14 writeback:1 unstable:0 [ 47.591051] slab_reclaimable:4561 slab_unreclaimable:57128 [ 47.591051] mapped:12 shmem:48 pagetables:441 bounce:0 [ 47.591051] free:8 free_pcp:140 free_cma:0 [ 47.591063] Node 0 active_anon:22420kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:48kB dirty:56kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.591080] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.591084] 0 3505 3505Normal free:32kB min:5580kB low:9168kB high:12756kB active_anon:22420kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18244kB slab_unreclaimable:228488kB kernel_stack:4160kB pagetables:1764kB bounce:0kB free_pcp:560kB local_pcp:196kB free_cma:0kB lowmem_reserve[]: [ 47.591110] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 4*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 128kB 112 total pagecache pages [ 47.591186] 0 pages in swap cache [ 47.591190] Swap cache stats: add 0, delete 0, find 0/0 [ 47.591192] Free swap = 0kB [ 47.591194] Total swap = 0kB [ 47.591196] 1965979 pages RAM [ 47.591198] 0 pages HighMem/MovableOnly [ 47.591200] 313617 pages reserved [ 47.591203] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 47.591215] [ 470] 0 470 5384 186 15 3 0 -1000 udevd [ 47.591222] [ 592] 0 592 5383 177 14 3 0 -1000 udevd [ 47.591229] [ 593] 0 593 5383 177 14 3 0 -1000 udevd [ 47.591237] [ 1766] 0 1766 2492 574 8 3 0 0 dhclient [ 47.591244] [ 1897] 0 1897 14264 108 23 3 0 0 rsyslogd [ 47.591251] [ 1939] 0 1939 4724 50 15 3 0 0 cron [ 47.591258] [ 1966] 0 1966 3735 45 11 3 0 0 mcstransd [ 47.591265] [ 1972] 0 1972 12926 1232 27 3 0 0 restorecond [ 47.591273] [ 1998] 0 1998 12489 153 30 3 0 -1000 sshd [ 47.591280] [ 2028] 0 2028 3648 40 12 3 0 0 getty [ 47.591287] [ 2053] 0 2053 17820 198 41 3 0 0 sshd [ 47.591294] [ 2055] 0 2055 33720 2271 28 5 0 0 syz-execprog [ 47.591301] [ 2061] 0 2061 3648 42 13 3 0 0 getty [ 47.591309] [ 2062] 0 2062 3648 44 13 4 0 0 getty [ 47.591316] [ 2063] 0 2063 3648 44 13 3 0 0 getty [ 47.591323] [ 2064] 0 2064 3648 41 13 3 0 0 getty [ 47.591330] [ 2065] 0 2065 3648 43 12 3 0 0 getty [ 47.591337] [ 2066] 0 2066 3648 43 14 3 0 0 getty [ 47.591345] [ 2075] 0 2075 9307 14 5 2 0 0 syz-executor3 [ 47.591352] [ 2076] 0 2076 9307 14 5 2 0 0 syz-executor4 [ 47.591360] [ 2078] 0 2078 9307 13 5 2 0 0 syz-executor5 [ 47.591367] [ 2079] 0 2079 9307 15 6 2 0 0 syz-executor3 [ 47.591374] [ 2080] 0 2080 9307 15 6 2 0 0 syz-executor4 [ 47.591382] [ 2082] 0 2082 9307 13 5 2 0 0 syz-executor0 [ 47.591389] [ 2083] 0 2083 9307 14 6 2 0 0 syz-executor5 [ 47.591398] [ 2085] 0 2085 9307 14 6 2 0 0 syz-executor0 [ 47.591407] [ 2220] 0 2219 9373 0 8 2 0 1000 syz-executor3 [ 47.591416] [ 2234] 0 2231 9406 0 8 2 0 1000 syz-executor1 [ 47.591428] [ 2244] 0 2243 9373 0 8 2 0 1000 syz-executor5 [ 47.591442] [ 2252] 0 2249 9439 0 8 2 0 1000 syz-executor2 [ 47.591453] [ 2261] 0 2255 9406 0 8 2 0 1000 syz-executor4 [ 47.591464] [ 2259] 0 2256 9373 0 8 2 0 1000 syz-executor0 [ 47.591474] Out of memory: Kill process 2055 (syz-execprog) score 1 or sacrifice child [ 47.591511] Killed process 2075 (syz-executor3) total-vm:37228kB, anon-rss:56kB, file-rss:0kB, shmem-rss:0kB [ 47.629295] syz-executor4 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 47.629302] CPU: 0 PID: 2261 Comm: syz-executor4 Not tainted 4.9.141+ #23 [ 47.629307] ffff88015897f550 [ 47.629310] ffffffff81b42e79 ffff88015897f910 ffffffff833e92b0 00000000000003e8 [ 47.629320] ffff88015897f928 0000000000000000 ffff88015897f5d0 ffffffff814fb526 [ 47.629329] 0000000000000000 00000000000003e8 ffffffff82816fa5Call Trace: [ 47.629349] [] dump_stack+0xc1/0x128 [ 47.629359] [] dump_header.isra.4+0x142/0x747 [ 47.629367] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 47.629374] [] ? ___ratelimit+0x53/0x401 [ 47.629381] [] oom_kill_process.cold.10+0xd/0xa6e [ 47.629389] [] ? check_preemption_disabled+0x3b/0x200 [ 47.629396] [] ? out_of_memory+0x6d4/0xe90 [ 47.629403] [] out_of_memory+0x292/0xe90 [ 47.629409] [] ? out_of_memory+0x410/0xe90 [ 47.629417] [] ? oom_killer_disable+0x200/0x200 [ 47.629424] [] ? trace_hardirqs_on+0xd/0x10 [ 47.629432] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 47.629439] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 47.629445] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 47.629453] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.629462] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.629469] [] ? retint_kernel+0x2d/0x2d [ 47.629477] [] __vmalloc_node_range+0x25b/0x600 [ 47.629484] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.629490] [] vmalloc+0x5b/0x70 [ 47.629497] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.629503] [] xt_alloc_table_info+0xc9/0x100 [ 47.629511] [] compat_do_replace.isra.10+0x116/0x380 [ 47.629519] [] ? translate_compat_table+0x1790/0x1790 [ 47.629527] [] ? mutex_lock_nested+0x6b7/0x900 [ 47.629533] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.629541] [] ? __cap_capable+0x168/0x1c0 [ 47.629550] [] ? ns_capable_common+0x12a/0x150 [ 47.629558] [] compat_do_ipt_set_ctl+0x102/0x140 [ 47.629565] [] compat_nf_setsockopt+0x8b/0x130 [ 47.629572] [] ? compat_do_replace.isra.10+0x380/0x380 [ 47.629580] [] compat_ip_setsockopt+0x97/0xd0 [ 47.629587] [] compat_udp_setsockopt+0x4a/0x90 [ 47.629594] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 47.629601] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 47.629609] [] inet_csk_compat_setsockopt+0x97/0x120 [ 47.629616] [] ? ipv6_setsockopt+0x130/0x130 [ 47.629623] [] compat_tcp_setsockopt+0x3d/0x70 [ 47.629630] [] compat_sock_common_setsockopt+0xb4/0x150 [ 47.629637] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 47.629645] [] compat_SyS_setsockopt+0x169/0x550 [ 47.629651] [] ? sock_common_setsockopt+0xe0/0xe0 [ 47.629659] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.629667] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 47.629674] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 47.629681] [] ? do_fast_syscall_32+0xcf/0xa10 [ 47.629688] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.629694] [] do_fast_syscall_32+0x2f1/0xa10 [ 47.629701] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.629709] [] entry_SYSENTER_compat+0x90/0xa2 [ 47.629712] Mem-Info: [ 47.629726] active_anon:5580 inactive_anon:42 isolated_anon:0 [ 47.629726] active_file:28 inactive_file:38 isolated_file:26 [ 47.629726] unevictable:0 dirty:14 writeback:1 unstable:0 [ 47.629726] slab_reclaimable:4561 slab_unreclaimable:57128 [ 47.629726] mapped:12 shmem:48 pagetables:441 bounce:0 [ 47.629726] free:8 free_pcp:157 free_cma:0 [ 47.629738] Node 0 active_anon:22320kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:48kB dirty:56kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.629754] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.629757] 0 3505 3505Normal free:32kB min:5580kB low:9168kB high:12756kB active_anon:22320kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18244kB slab_unreclaimable:228488kB kernel_stack:4128kB pagetables:1764kB bounce:0kB free_pcp:628kB local_pcp:196kB free_cma:0kB lowmem_reserve[]: [ 47.629782] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 5*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 160kB 112 total pagecache pages [ 47.629859] 0 pages in swap cache [ 47.629863] Swap cache stats: add 0, delete 0, find 0/0 [ 47.629864] Free swap = 0kB [ 47.629866] Total swap = 0kB [ 47.629868] 1965979 pages RAM [ 47.629870] 0 pages HighMem/MovableOnly [ 47.629872] 313617 pages reserved [ 47.629874] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 47.629887] [ 470] 0 470 5384 186 15 3 0 -1000 udevd [ 47.629901] [ 592] 0 592 5383 177 14 3 0 -1000 udevd [ 47.629911] [ 593] 0 593 5383 177 14 3 0 -1000 udevd [ 47.629920] [ 1766] 0 1766 2492 574 8 3 0 0 dhclient [ 47.629929] [ 1897] 0 1897 14264 108 23 3 0 0 rsyslogd [ 47.629938] [ 1939] 0 1939 4724 50 15 3 0 0 cron [ 47.629948] [ 1966] 0 1966 3735 45 11 3 0 0 mcstransd [ 47.629957] [ 1972] 0 1972 12926 1232 27 3 0 0 restorecond [ 47.629966] [ 1998] 0 1998 12489 153 30 3 0 -1000 sshd [ 47.629975] [ 2028] 0 2028 3648 40 12 3 0 0 getty [ 47.629984] [ 2053] 0 2053 17820 198 41 3 0 0 sshd [ 47.629993] [ 2055] 0 2055 33720 2271 28 5 0 0 syz-execprog [ 47.630002] [ 2061] 0 2061 3648 42 13 3 0 0 getty [ 47.630011] [ 2062] 0 2062 3648 44 13 4 0 0 getty [ 47.630020] [ 2063] 0 2063 3648 44 13 3 0 0 getty [ 47.630029] [ 2064] 0 2064 3648 41 13 3 0 0 getty [ 47.630038] [ 2065] 0 2065 3648 43 12 3 0 0 getty [ 47.630047] [ 2066] 0 2066 3648 43 14 3 0 0 getty [ 47.630058] [ 2076] 0 2076 9307 14 5 2 0 0 syz-executor4 [ 47.630067] [ 2078] 0 2078 9307 13 5 2 0 0 syz-executor5 [ 47.630076] [ 2079] 0 2079 9307 15 6 2 0 0 syz-executor3 [ 47.630085] [ 2080] 0 2080 9307 15 6 2 0 0 syz-executor4 [ 47.630095] [ 2082] 0 2082 9307 13 5 2 0 0 syz-executor0 [ 47.630104] [ 2083] 0 2083 9307 14 6 2 0 0 syz-executor5 [ 47.630114] [ 2085] 0 2085 9307 14 6 2 0 0 syz-executor0 [ 47.630125] [ 2220] 0 2219 9373 0 8 2 0 1000 syz-executor3 [ 47.630136] [ 2234] 0 2231 9406 0 8 2 0 1000 syz-executor1 [ 47.630148] [ 2244] 0 2243 9373 0 8 2 0 1000 syz-executor5 [ 47.630161] [ 2252] 0 2249 9439 0 8 2 0 1000 syz-executor2 [ 47.630172] [ 2261] 0 2255 9406 0 8 2 0 1000 syz-executor4 [ 47.630182] [ 2259] 0 2256 9373 0 8 2 0 1000 syz-executor0 [ 47.630192] Out of memory: Kill process 2055 (syz-execprog) score 1 or sacrifice child [ 47.630229] Killed process 2076 (syz-executor4) total-vm:37228kB, anon-rss:56kB, file-rss:0kB, shmem-rss:0kB [ 47.675230] kworker/u4:3 invoked oom-killer: gfp_mask=0x2420848(GFP_NOFS|__GFP_NOFAIL|__GFP_HARDWALL|__GFP_MOVABLE), nodemask=0, order=0, oom_score_adj=0 [ 47.675238] CPU: 1 PID: 2099 Comm: kworker/u4:3 Not tainted 4.9.141+ #23 [ 47.675250] Workqueue: writeback wb_workfn [ 47.675252] (flush-8:0) ffff8801cc18f0b8 [ 47.675259] ffffffff81b42e79 ffff8801cc18f478 ffffffff833e92b0 0000000000000000 [ 47.675270] ffff8801cc18f490 0000000000000000 ffff8801cc18f138 ffffffff814fb526 [ 47.675281] 0000000000000000 0000000000000000 ffffffff82816fa5Call Trace: [ 47.675301] [] dump_stack+0xc1/0x128 [ 47.675310] [] dump_header.isra.4+0x142/0x747 [ 47.675318] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 47.675325] [] ? ___ratelimit+0x53/0x401 [ 47.675333] [] oom_kill_process.cold.10+0xd/0xa6e [ 47.675342] [] ? rcu_read_unlock_special+0x6d0/0xb20 [ 47.675351] [] ? out_of_memory+0x6d4/0xe90 [ 47.675358] [] out_of_memory+0x292/0xe90 [ 47.675365] [] ? out_of_memory+0x410/0xe90 [ 47.675373] [] ? oom_killer_disable+0x200/0x200 [ 47.675381] [] ? trace_hardirqs_on+0xd/0x10 [ 47.675396] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 47.675404] [] __alloc_pages_nodemask+0x161f/0x1bd0 [ 47.675413] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.675420] [] ? find_get_entry+0x11a/0x570 [ 47.675427] [] ? __radix_tree_lookup+0x18c/0x230 [ 47.675435] [] ? find_get_entry+0x11a/0x570 [ 47.675444] [] ? __find_get_block_slow+0x263/0x330 [ 47.675452] [] pagecache_get_page+0x244/0x710 [ 47.675459] [] ? __find_get_block+0x21a/0x4d0 [ 47.675467] [] __getblk_gfp+0x240/0x700 [ 47.675475] [] __breadahead+0x79/0xf0 [ 47.675483] [] ? write_boundary_block+0x120/0x120 [ 47.675492] [] ? __might_sleep+0x95/0x1a0 [ 47.675501] [] __ext4_get_inode_loc+0x961/0xef0 [ 47.675508] [] ? trace_hardirqs_on+0x10/0x10 [ 47.675515] [] ext4_write_inode+0x204/0x3b0 [ 47.675522] [] ? ext4_iget_normal+0xd0/0xd0 [ 47.675531] [] __writeback_single_inode+0x4c4/0x1020 [ 47.675539] [] ? writeback_sb_inodes+0x39b/0xe70 [ 47.675547] [] writeback_sb_inodes+0x4ac/0xe70 [ 47.675556] [] ? __writeback_single_inode+0x1020/0x1020 [ 47.675564] [] ? down_read_trylock+0x6a/0xd0 [ 47.675572] [] ? trylock_super+0x20/0xf0 [ 47.675580] [] __writeback_inodes_wb+0xfb/0x1e0 [ 47.675588] [] wb_writeback+0x512/0xbd0 [ 47.675597] [] ? __writeback_inodes_wb+0x1e0/0x1e0 [ 47.675604] [] ? mark_held_locks+0xc7/0x130 [ 47.675612] [] ? check_preemption_disabled+0x3b/0x200 [ 47.675619] [] wb_workfn+0x20e/0xe90 [ 47.675627] [] ? debug_object_deactivate+0x214/0x340 [ 47.675634] [] ? inode_wait_for_writeback+0x40/0x40 [ 47.675642] [] process_one_work+0x831/0x15f0 [ 47.675649] [] ? process_one_work+0x774/0x15f0 [ 47.675657] [] ? cancel_delayed_work_sync+0x20/0x20 [ 47.675664] [] worker_thread+0xd6/0x1140 [ 47.675672] [] kthread+0x26d/0x300 [ 47.675679] [] ? process_one_work+0x15f0/0x15f0 [ 47.675686] [] ? kthread_park+0xa0/0xa0 [ 47.675694] [] ? __switch_to_asm+0x34/0x70 [ 47.675701] [] ? kthread_park+0xa0/0xa0 [ 47.675708] [] ? kthread_park+0xa0/0xa0 [ 47.675715] [] ret_from_fork+0x5c/0x70 [ 47.675718] Mem-Info: [ 47.675734] active_anon:5580 inactive_anon:42 isolated_anon:0 [ 47.675734] active_file:28 inactive_file:38 isolated_file:26 [ 47.675734] unevictable:0 dirty:14 writeback:1 unstable:0 [ 47.675734] slab_reclaimable:4561 slab_unreclaimable:57128 [ 47.675734] mapped:12 shmem:48 pagetables:441 bounce:0 [ 47.675734] free:8 free_pcp:174 free_cma:0 [ 47.675748] Node 0 active_anon:22320kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:48kB dirty:56kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.675765] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.675769] 0 3505 3505Normal free:32kB min:5580kB low:9168kB high:12756kB active_anon:22320kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18244kB slab_unreclaimable:228488kB kernel_stack:4096kB pagetables:1764kB bounce:0kB free_pcp:696kB local_pcp:432kB free_cma:0kB lowmem_reserve[]: [ 47.675796] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 6*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 192kB 112 total pagecache pages [ 47.675887] 0 pages in swap cache [ 47.675892] Swap cache stats: add 0, delete 0, find 0/0 [ 47.675894] Free swap = 0kB [ 47.675896] Total swap = 0kB [ 47.675898] 1965979 pages RAM [ 47.675900] 0 pages HighMem/MovableOnly [ 47.675903] 313617 pages reserved [ 47.675905] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 47.675920] [ 470] 0 470 5384 186 15 3 0 -1000 udevd [ 47.675930] [ 592] 0 592 5383 177 14 3 0 -1000 udevd [ 47.675941] [ 593] 0 593 5383 177 14 3 0 -1000 udevd [ 47.675949] [ 1766] 0 1766 2492 574 8 3 0 0 dhclient [ 47.675956] [ 1897] 0 1897 14264 108 23 3 0 0 rsyslogd [ 47.675964] [ 1939] 0 1939 4724 50 15 3 0 0 cron [ 47.675971] [ 1966] 0 1966 3735 45 11 3 0 0 mcstransd [ 47.675979] [ 1972] 0 1972 12926 1232 27 3 0 0 restorecond [ 47.675986] [ 1998] 0 1998 12489 153 30 3 0 -1000 sshd [ 47.675994] [ 2028] 0 2028 3648 40 12 3 0 0 getty [ 47.676001] [ 2053] 0 2053 17820 198 41 3 0 0 sshd [ 47.676008] [ 2055] 0 2055 33720 2271 28 5 0 0 syz-execprog [ 47.676016] [ 2061] 0 2061 3648 42 13 3 0 0 getty [ 47.676023] [ 2062] 0 2062 3648 44 13 4 0 0 getty [ 47.676031] [ 2063] 0 2063 3648 44 13 3 0 0 getty [ 47.676038] [ 2064] 0 2064 3648 41 13 3 0 0 getty [ 47.676045] [ 2065] 0 2065 3648 43 12 3 0 0 getty [ 47.676052] [ 2066] 0 2066 3648 43 14 3 0 0 getty [ 47.676062] [ 2078] 0 2078 9307 13 5 2 0 0 syz-executor5 [ 47.676070] [ 2079] 0 2079 9307 15 6 2 0 0 syz-executor3 [ 47.676077] [ 2080] 0 2080 9307 15 6 2 0 0 syz-executor4 [ 47.676085] [ 2082] 0 2082 9307 13 5 2 0 0 syz-executor0 [ 47.676092] [ 2083] 0 2083 9307 14 6 2 0 0 syz-executor5 [ 47.676101] [ 2085] 0 2085 9307 14 6 2 0 0 syz-executor0 [ 47.676110] [ 2220] 0 2219 9373 0 8 2 0 1000 syz-executor3 [ 47.676119] [ 2234] 0 2231 9406 0 8 2 0 1000 syz-executor1 [ 47.676132] [ 2244] 0 2243 9373 0 8 2 0 1000 syz-executor5 [ 47.676146] [ 2252] 0 2249 9439 0 8 2 0 1000 syz-executor2 [ 47.676158] [ 2261] 0 2255 9406 0 8 2 0 1000 syz-executor4 [ 47.688332] [ 2259] 0 2256 9373 0 8 2 0 1000 syz-executor0 [ 47.688348] Out of memory: Kill process 2055 (syz-execprog) score 1 or sacrifice child [ 47.688683] Killed process 2078 (syz-executor5) total-vm:37228kB, anon-rss:52kB, file-rss:0kB, shmem-rss:0kB [ 47.714222] syz-executor1 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 47.714230] CPU: 0 PID: 2236 Comm: syz-executor1 Not tainted 4.9.141+ #23 [ 47.714236] ffff88019060f550 [ 47.714238] ffffffff81b42e79 ffff88019060f910 ffffffff833e92b0 00000000000003e8 [ 47.714249] ffff88019060f928 0000000000000000 ffff88019060f5d0 ffffffff814fb526 [ 47.714260] 0000000000000000 00000000000003e8 ffffffff82816fa5Call Trace: [ 47.714280] [] dump_stack+0xc1/0x128 [ 47.714290] [] dump_header.isra.4+0x142/0x747 [ 47.714298] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 47.714306] [] ? ___ratelimit+0x53/0x401 [ 47.714314] [] oom_kill_process.cold.10+0xd/0xa6e [ 47.714323] [] ? check_preemption_disabled+0x3b/0x200 [ 47.714332] [] ? out_of_memory+0x6d4/0xe90 [ 47.714339] [] out_of_memory+0x292/0xe90 [ 47.714346] [] ? out_of_memory+0x410/0xe90 [ 47.714354] [] ? oom_killer_disable+0x200/0x200 [ 47.714362] [] ? trace_hardirqs_on+0xd/0x10 [ 47.714370] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 47.714378] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 47.714385] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 47.714394] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.714402] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.714410] [] ? retint_kernel+0x2d/0x2d [ 47.714418] [] __vmalloc_node_range+0x25b/0x600 [ 47.714426] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.714432] [] vmalloc+0x5b/0x70 [ 47.714439] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.714446] [] xt_alloc_table_info+0xc9/0x100 [ 47.714456] [] compat_do_replace.isra.10+0x116/0x380 [ 47.714464] [] ? translate_compat_table+0x1790/0x1790 [ 47.714472] [] ? mutex_lock_nested+0x6b7/0x900 [ 47.714480] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.714489] [] ? __cap_capable+0x168/0x1c0 [ 47.714499] [] ? ns_capable_common+0x12a/0x150 [ 47.714507] [] compat_do_ipt_set_ctl+0x102/0x140 [ 47.714515] [] compat_nf_setsockopt+0x8b/0x130 [ 47.714523] [] ? compat_do_replace.isra.10+0x380/0x380 [ 47.714532] [] compat_ip_setsockopt+0x97/0xd0 [ 47.714541] [] compat_udp_setsockopt+0x4a/0x90 [ 47.714549] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 47.714558] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 47.714567] [] inet_csk_compat_setsockopt+0x97/0x120 [ 47.714574] [] ? ipv6_setsockopt+0x130/0x130 [ 47.714581] [] compat_tcp_setsockopt+0x3d/0x70 [ 47.714590] [] compat_sock_common_setsockopt+0xb4/0x150 [ 47.714597] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 47.714605] [] compat_SyS_setsockopt+0x169/0x550 [ 47.714612] [] ? sock_common_setsockopt+0xe0/0xe0 [ 47.714620] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.714629] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 47.714637] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 47.714644] [] ? do_fast_syscall_32+0xcf/0xa10 [ 47.714652] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 47.714658] [] do_fast_syscall_32+0x2f1/0xa10 [ 47.714666] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.714674] [] entry_SYSENTER_compat+0x90/0xa2 [ 47.714677] Mem-Info: [ 47.714694] active_anon:5530 inactive_anon:42 isolated_anon:0 [ 47.714694] active_file:28 inactive_file:38 isolated_file:26 [ 47.714694] unevictable:0 dirty:14 writeback:1 unstable:0 [ 47.714694] slab_reclaimable:4561 slab_unreclaimable:57128 [ 47.714694] mapped:12 shmem:48 pagetables:367 bounce:0 [ 47.714694] free:183 free_pcp:105 free_cma:0 [ 47.714707] Node 0 active_anon:22120kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:48kB dirty:56kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.714724] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 47.714728] 0 3505 3505Normal free:732kB min:5580kB low:9168kB high:12756kB active_anon:22120kB inactive_anon:168kB active_file:112kB inactive_file:152kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18244kB slab_unreclaimable:228488kB kernel_stack:4064kB pagetables:1468kB bounce:0kB free_pcp:420kB local_pcp:188kB free_cma:0kB lowmem_reserve[]: [ 47.714754] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 94*4kB (UM) 26*8kB (UM) 7*16kB (U) 7*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 920kB 112 total pagecache pages [ 47.714844] 0 pages in swap cache [ 47.714848] Swap cache stats: add 0, delete 0, find 0/0 [ 47.714850] Free swap = 0kB [ 47.714852] Total swap = 0kB [ 47.714855] 1965979 pages RAM [ 47.714857] 0 pages HighMem/MovableOnly [ 47.714859] 313617 pages reserved [ 47.714861] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 47.714876] [ 470] 0 470 5384 186 15 3 0 -1000 udevd [ 47.714891] [ 592] 0 592 5383 177 14 3 0 -1000 udevd [ 47.714902] [ 593] 0 593 5383 177 14 3 0 -1000 udevd [ 47.714912] [ 1766] 0 1766 2492 574 8 3 0 0 dhclient [ 47.714922] [ 1897] 0 1897 14264 108 23 3 0 0 rsyslogd [ 47.714930] [ 1939] 0 1939 4724 50 15 3 0 0 cron [ 47.714937] [ 1966] 0 1966 3735 45 11 3 0 0 mcstransd [ 47.714944] [ 1972] 0 1972 12926 1232 27 3 0 0 restorecond [ 47.714952] [ 1998] 0 1998 12489 153 30 3 0 -1000 sshd [ 47.714959] [ 2028] 0 2028 3648 40 12 3 0 0 getty [ 47.714966] [ 2053] 0 2053 17820 198 41 3 0 0 sshd [ 47.714973] [ 2055] 0 2055 33720 2271 28 5 0 0 syz-execprog [ 47.714980] [ 2061] 0 2061 3648 42 13 3 0 0 getty [ 47.714987] [ 2062] 0 2062 3648 44 13 4 0 0 getty [ 47.714995] [ 2063] 0 2063 3648 44 13 3 0 0 getty [ 47.715002] [ 2064] 0 2064 3648 41 13 3 0 0 getty [ 47.715009] [ 2065] 0 2065 3648 43 12 3 0 0 getty [ 47.715016] [ 2066] 0 2066 3648 43 14 3 0 0 getty [ 47.715030] [ 2082] 0 2082 9307 13 5 2 0 0 syz-executor0 [ 47.715039] [ 2085] 0 2085 9307 14 6 2 0 0 syz-executor0 [ 47.715048] [ 2220] 0 2219 9373 0 8 2 0 1000 syz-executor3 [ 47.715058] [ 2234] 0 2231 9406 0 8 2 0 1000 syz-executor1 [ 47.715070] [ 2244] 0 2243 9373 0 8 2 0 1000 syz-executor5 [ 47.715084] [ 2252] 0 2249 9439 0 8 2 0 1000 syz-executor2 [ 47.715096] [ 2261] 0 2255 9406 0 8 2 0 1000 syz-executor4 [ 47.715107] [ 2259] 0 2256 9373 0 8 2 0 1000 syz-executor0 [ 47.715118] Out of memory: Kill process 2055 (syz-execprog) score 1 or sacrifice child [ 47.715153] Killed process 2082 (syz-executor0) total-vm:37228kB, anon-rss:52kB, file-rss:0kB, shmem-rss:0kB [ 47.748617] Out of memory: Kill process 2055 (syz-execprog) score 1 or sacrifice child [ 47.748696] Killed process 2055 (syz-execprog) total-vm:134880kB, anon-rss:9084kB, file-rss:0kB, shmem-rss:0kB [ 47.783009] oom_reaper: reaped process 2055 (syz-execprog), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.785700] Out of memory: Kill process 1972 (restorecond) score 0 or sacrifice child [ 47.785723] Killed process 1972 (restorecond) total-vm:51704kB, anon-rss:4928kB, file-rss:0kB, shmem-rss:0kB [ 47.817567] Out of memory: Kill process 1766 (dhclient) score 0 or sacrifice child [ 47.817594] Killed process 1766 (dhclient) total-vm:9968kB, anon-rss:2296kB, file-rss:0kB, shmem-rss:0kB [ 47.964160] Out of memory: Kill process 2053 (sshd) score 0 or sacrifice child [ 47.964191] Killed process 2053 (sshd) total-vm:71280kB, anon-rss:784kB, file-rss:0kB, shmem-rss:4kB [ 48.028773] Out of memory: Kill process 1897 (rsyslogd) score 0 or sacrifice child [ 48.028827] Killed process 1897 (rsyslogd) total-vm:57056kB, anon-rss:428kB, file-rss:4kB, shmem-rss:0kB [ 48.031746] oom_reaper: reaped process 1897 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 48.088107] Out of memory: Kill process 1939 (cron) score 0 or sacrifice child [ 48.088132] Killed process 1939 (cron) total-vm:18896kB, anon-rss:196kB, file-rss:4kB, shmem-rss:0kB [ 48.100601] Out of memory: Kill process 2062 (getty) score 0 or sacrifice child [ 48.100624] Killed process 2062 (getty) total-vm:14592kB, anon-rss:172kB, file-rss:4kB, shmem-rss:0kB [ 48.128717] Out of memory: Kill process 1966 (mcstransd) score 0 or sacrifice child [ 48.128746] Killed process 1966 (mcstransd) total-vm:14940kB, anon-rss:180kB, file-rss:0kB, shmem-rss:0kB [ 48.138610] Out of memory: Kill process 2063 (getty) score 0 or sacrifice child [ 48.138633] Killed process 2063 (getty) total-vm:14592kB, anon-rss:172kB, file-rss:4kB, shmem-rss:0kB [ 48.147452] Out of memory: Kill process 2066 (getty) score 0 or sacrifice child [ 48.147474] Killed process 2066 (getty) total-vm:14592kB, anon-rss:168kB, file-rss:4kB, shmem-rss:0kB [ 48.181589] Out of memory: Kill process 2061 (getty) score 0 or sacrifice child [ 48.181619] Killed process 2061 (getty) total-vm:14592kB, anon-rss:164kB, file-rss:4kB, shmem-rss:0kB [ 48.184020] Out of memory: Kill process 2065 (getty) score 0 or sacrifice child [ 48.184047] Killed process 2065 (getty) total-vm:14592kB, anon-rss:168kB, file-rss:4kB, shmem-rss:0kB [ 48.186001] Out of memory: Kill process 2064 (getty) score 0 or sacrifice child [ 48.186027] Killed process 2064 (getty) total-vm:14592kB, anon-rss:160kB, file-rss:4kB, shmem-rss:0kB [ 48.191529] Out of memory: Kill process 2028 (getty) score 0 or sacrifice child [ 48.191554] Killed process 2028 (getty) total-vm:14592kB, anon-rss:156kB, file-rss:4kB, shmem-rss:0kB [ 48.208214] syz-executor3 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 48.208222] CPU: 0 PID: 2222 Comm: syz-executor3 Not tainted 4.9.141+ #23 [ 48.208228] ffff8801c255f5f8 [ 48.208231] ffffffff81b42e79 ffff8801c255f910 ffffffff833e92b0 00000000000003e8 [ 48.208242] ffff8801c255f928 0000000000000000 ffff8801c255f678 ffffffff814fb526 [ 48.208253] 0000000000000000 00000000000003e8 ffff8801ca06e7a8Call Trace: [ 48.208274] [] dump_stack+0xc1/0x128 [ 48.208284] [] dump_header.isra.4+0x142/0x747 [ 48.208292] [] ? out_of_memory+0x6d4/0xe90 [ 48.208300] [] out_of_memory.cold.11+0xd/0x5d [ 48.208306] [] ? out_of_memory+0x410/0xe90 [ 48.208313] [] ? oom_killer_disable+0x200/0x200 [ 48.208320] [] ? trace_hardirqs_on+0xd/0x10 [ 48.208328] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 48.208336] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 48.208343] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 48.208351] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 48.208360] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 48.208367] [] ? retint_kernel+0x2d/0x2d [ 48.208375] [] __vmalloc_node_range+0x25b/0x600 [ 48.208383] [] ? xt_alloc_table_info+0xc9/0x100 [ 48.208389] [] vmalloc+0x5b/0x70 [ 48.208395] [] ? xt_alloc_table_info+0xc9/0x100 [ 48.208401] [] xt_alloc_table_info+0xc9/0x100 [ 48.208410] [] compat_do_replace.isra.10+0x116/0x380 [ 48.208418] [] ? translate_compat_table+0x1790/0x1790 [ 48.208426] [] ? mutex_lock_nested+0x6b7/0x900 [ 48.208433] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 48.208442] [] ? __cap_capable+0x168/0x1c0 [ 48.208451] [] ? ns_capable_common+0x12a/0x150 [ 48.208459] [] compat_do_ipt_set_ctl+0x102/0x140 [ 48.208467] [] compat_nf_setsockopt+0x8b/0x130 [ 48.208474] [] ? compat_do_replace.isra.10+0x380/0x380 [ 48.208483] [] compat_ip_setsockopt+0x97/0xd0 [ 48.208491] [] compat_udp_setsockopt+0x4a/0x90 [ 48.208498] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 48.208507] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 48.208515] [] inet_csk_compat_setsockopt+0x97/0x120 [ 48.208522] [] ? ipv6_setsockopt+0x130/0x130 [ 48.208529] [] compat_tcp_setsockopt+0x3d/0x70 [ 48.208537] [] compat_sock_common_setsockopt+0xb4/0x150 [ 48.208544] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 48.208552] [] compat_SyS_setsockopt+0x169/0x550 [ 48.208559] [] ? sock_common_setsockopt+0xe0/0xe0 [ 48.208566] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 48.208575] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 48.208583] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 48.208589] [] ? do_fast_syscall_32+0xcf/0xa10 [ 48.208596] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 48.208602] [] do_fast_syscall_32+0x2f1/0xa10 [ 48.208610] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.208618] [] entry_SYSENTER_compat+0x90/0xa2 [ 48.208621] Mem-Info: [ 48.208637] active_anon:630 inactive_anon:42 isolated_anon:0 [ 48.208637] active_file:12 inactive_file:13 isolated_file:26 [ 48.208637] unevictable:0 dirty:14 writeback:1 unstable:0 [ 48.208637] slab_reclaimable:4561 slab_unreclaimable:56754 [ 48.208637] mapped:12 shmem:48 pagetables:145 bounce:0 [ 48.208637] free:1350 free_pcp:234 free_cma:0 [ 48.208649] Node 0 active_anon:2520kB inactive_anon:168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:48kB dirty:56kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 48.208666] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 48.208669] 0 3505 3505Normal free:5400kB min:5580kB low:9168kB high:12756kB active_anon:2520kB inactive_anon:168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18244kB slab_unreclaimable:226992kB kernel_stack:3296kB pagetables:580kB bounce:0kB free_pcp:936kB local_pcp:572kB free_cma:0kB lowmem_reserve[]: [ 48.208694] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 604*4kB (UMEH) 105*8kB (UME) 40*16kB (M) 30*32kB (UME) 9*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5432kB 146 total pagecache pages [ 48.208774] 0 pages in swap cache [ 48.208778] Swap cache stats: add 0, delete 0, find 0/0 [ 48.208780] Free swap = 0kB [ 48.208782] Total swap = 0kB [ 48.208784] 1965979 pages RAM [ 48.208786] 0 pages HighMem/MovableOnly [ 48.208788] 313617 pages reserved [ 48.208790] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 48.208813] [ 470] 0 470 5384 186 15 3 0 -1000 udevd [ 48.208823] [ 592] 0 592 5383 177 14 3 0 -1000 udevd [ 48.208833] [ 593] 0 593 5383 177 14 3 0 -1000 udevd [ 48.208852] [ 1998] 0 1998 12489 153 30 3 0 -1000 sshd [ 48.208880] [ 2220] 0 2219 9373 0 8 2 0 1000 syz-executor3 [ 48.208892] [ 2234] 0 2231 9406 0 8 2 0 1000 syz-executor1 [ 48.208904] [ 2244] 0 2243 9373 0 8 2 0 1000 syz-executor5 [ 48.208918] [ 2252] 0 2249 9439 0 8 2 0 1000 syz-executor2 [ 48.208929] [ 2261] 0 2255 9406 0 8 2 0 1000 syz-executor4 [ 48.208940] [ 2259] 0 2256 9373 0 8 2 0 1000 syz-executor0 [ 48.208951] Kernel panic - not syncing: Out of memory and no killable processes... [ 48.208951] [ 48.208957] CPU: 0 PID: 2222 Comm: syz-executor3 Not tainted 4.9.141+ #23 [ 48.208960] ffff8801c255f5b8 [ 48.208962] ffffffff81b42e79 ffffffff82a962c0 00000000ffffffff ffffffff83029100 [ 48.208972] 0000000000000000 dffffc0000000000 ffff8801c255f678 ffffffff813f7125 [ 48.208982] 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66Call Trace: [ 48.208997] [] dump_stack+0xc1/0x128 [ 48.209004] [] panic+0x1bf/0x39f [ 48.209011] [] ? add_taint.cold.5+0x16/0x16 [ 48.209019] [] ? dump_header.isra.4+0x738/0x747 [ 48.209025] [] ? dump_header.isra.4+0x738/0x747 [ 48.209033] [] out_of_memory.cold.11+0x1e/0x5d [ 48.209040] [] ? out_of_memory+0x410/0xe90 [ 48.209047] [] ? oom_killer_disable+0x200/0x200 [ 48.209053] [] ? trace_hardirqs_on+0xd/0x10 [ 48.209061] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 48.209068] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 48.209075] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 48.209083] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 48.209091] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 48.209097] [] ? retint_kernel+0x2d/0x2d [ 48.209104] [] __vmalloc_node_range+0x25b/0x600 [ 48.209111] [] ? xt_alloc_table_info+0xc9/0x100 [ 48.209117] [] vmalloc+0x5b/0x70 [ 48.209123] [] ? xt_alloc_table_info+0xc9/0x100 [ 48.209129] [] xt_alloc_table_info+0xc9/0x100 [ 48.209137] [] compat_do_replace.isra.10+0x116/0x380 [ 48.209145] [] ? translate_compat_table+0x1790/0x1790 [ 48.209152] [] ? mutex_lock_nested+0x6b7/0x900 [ 48.209158] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 48.209166] [] ? __cap_capable+0x168/0x1c0 [ 48.209173] [] ? ns_capable_common+0x12a/0x150 [ 48.209181] [] compat_do_ipt_set_ctl+0x102/0x140 [ 48.209187] [] compat_nf_setsockopt+0x8b/0x130 [ 48.209194] [] ? compat_do_replace.isra.10+0x380/0x380 [ 48.209202] [] compat_ip_setsockopt+0x97/0xd0 [ 48.209209] [] compat_udp_setsockopt+0x4a/0x90 [ 48.209216] [] ? udp_flush_pending_frames+0xb0/0xb0 [ 48.209223] [] compat_ipv6_setsockopt+0xb4/0x1d0 [ 48.209231] [] inet_csk_compat_setsockopt+0x97/0x120 [ 48.209238] [] ? ipv6_setsockopt+0x130/0x130 [ 48.209244] [] compat_tcp_setsockopt+0x3d/0x70 [ 48.209252] [] compat_sock_common_setsockopt+0xb4/0x150 [ 48.209258] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 48.209265] [] compat_SyS_setsockopt+0x169/0x550 [ 48.209272] [] ? sock_common_setsockopt+0xe0/0xe0 [ 48.209279] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 48.209286] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 48.209294] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 48.209300] [] ? do_fast_syscall_32+0xcf/0xa10 [ 48.209308] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 48.209314] [] do_fast_syscall_32+0x2f1/0xa10 [ 48.209321] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.209328] [] entry_SYSENTER_compat+0x90/0xa2 [ 48.209809] Kernel Offset: disabled [ 58.938834] Rebooting in 86400 seconds..