[....] Starting OpenBSD Secure Shell server: sshd[ 12.308254] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 38.298040] random: sshd: uninitialized urandom read (32 bytes read) [ 38.819536] audit: type=1400 audit(1540329656.177:6): avc: denied { map } for pid=1771 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 38.869391] random: sshd: uninitialized urandom read (32 bytes read) [ 39.350255] random: sshd: uninitialized urandom read (32 bytes read) [ 39.502736] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.40' (ECDSA) to the list of known hosts. [ 45.178486] random: sshd: uninitialized urandom read (32 bytes read) [ 45.271471] audit: type=1400 audit(1540329662.637:7): avc: denied { map } for pid=1789 comm="syz-executor313" path="/root/syz-executor313754915" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 executing program executing program executing program net.ipv6.conf.syz_tun.router_solicitations = 0 [ 46.087767] audit: type=1400 audit(1540329663.447:8): avc: denied { module_load } for pid=1866 comm="syz-executor313" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=system permissive=1 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 executing program executing program [ 49.204547] oom_reaper: reaped process 1871 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 49.300198] oom_reaper: reaped process 1870 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 49.311751] oom_reaper: reaped process 1868 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 49.334675] init invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 49.347653] CPU: 0 PID: 1 Comm: init Not tainted 4.14.78+ #24 [ 49.353556] Call Trace: [ 49.356132] dump_stack+0xb9/0x11b [ 49.359658] dump_header+0x17d/0x7a8 [ 49.363351] ? trace_hardirqs_on_caller+0x381/0x520 [ 49.368350] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 49.373460] ? ___ratelimit+0x4f/0x3f0 [ 49.377343] oom_kill_process.cold.8+0x10/0xc88 [ 49.381996] ? lock_downgrade+0x560/0x560 [ 49.386140] ? check_preemption_disabled+0x34/0x160 [ 49.391164] out_of_memory+0x669/0xa60 [ 49.395037] ? oom_killer_disable+0x1f0/0x1f0 [ 49.399517] __alloc_pages_nodemask+0x1949/0x2300 [ 49.404366] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 49.409190] ? find_get_entry+0x118/0x550 [ 49.413319] ? check_preemption_disabled+0x34/0x160 [ 49.418312] ? check_preemption_disabled+0x34/0x160 [ 49.423328] ? find_get_entry+0x13f/0x550 [ 49.427476] ? pagecache_get_page+0x129/0x770 [ 49.431956] filemap_fault+0xcdd/0x14a0 [ 49.435920] ext4_filemap_fault+0x7d/0xb0 [ 49.440050] __do_fault+0x80/0x210 [ 49.443573] __handle_mm_fault+0xe04/0x23a0 [ 49.447877] ? poll_select_copy_remaining+0x23b/0x330 [ 49.453059] ? vm_insert_page+0x6d0/0x6d0 [ 49.457213] ? check_preemption_disabled+0x34/0x160 [ 49.462214] handle_mm_fault+0x2f2/0x6eb [ 49.466272] __do_page_fault+0x45d/0xb60 [ 49.470495] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 49.475855] ? bad_area_access_error+0x330/0x330 [ 49.480589] ? page_fault+0x2c/0x50 [ 49.484198] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.489023] ? page_fault+0x2c/0x50 [ 49.492627] page_fault+0x42/0x50 [ 49.496055] RIP: b6601fa7:0x1 [ 49.499133] RSP: b6600970:00007ffcb6600b20 EFLAGS: ffffffff [ 49.514159] Mem-Info: [ 49.522342] active_anon:3327 inactive_anon:42 isolated_anon:0 [ 49.522342] active_file:722 inactive_file:1072 isolated_file:0 [ 49.522342] unevictable:0 dirty:1747 writeback:0 unstable:0 [ 49.522342] slab_reclaimable:4509 slab_unreclaimable:57269 [ 49.522342] mapped:17 shmem:48 pagetables:383 bounce:0 [ 49.522342] free:4674 free_pcp:186 free_cma:0 [ 49.555035] Node 0 active_anon:13308kB inactive_anon:168kB active_file:2888kB inactive_file:4288kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:6988kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 49.577980] DMA32 free:16024kB min:4792kB low:7868kB high:10944kB active_anon:80kB inactive_anon:0kB active_file:40kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:32kB pagetables:28kB bounce:0kB free_pcp:264kB local_pcp:120kB free_cma:0kB [ 49.605068] lowmem_reserve[]: 0 3437 3437 [ 49.609259] Normal free:2672kB min:5480kB low:9000kB high:12520kB active_anon:13228kB inactive_anon:168kB active_file:2848kB inactive_file:4288kB unevictable:0kB writepending:6988kB present:4718592kB managed:3521720kB mlocked:0kB kernel_stack:2784kB pagetables:1504kB bounce:0kB free_pcp:480kB local_pcp:260kB free_cma:0kB [ 49.647172] lowmem_reserve[]: 0 0 0 [ 49.650867] DMA32: 4*4kB (UM) 7*8kB (M) 1*16kB (E) 2*32kB (UE) 2*64kB (UE) 1*128kB (E) 3*256kB (UME) 3*512kB (UME) 3*1024kB (UME) 3*2048kB (UME) 1*4096kB (M) = 16024kB [ 49.666134] Normal: 128*4kB (M) 70*8kB (M) 24*16kB (M) 14*32kB (M) 6*64kB (M) 1*128kB (M) 1*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2672kB [ 49.679366] 1849 total pagecache pages [ 49.683300] 0 pages in swap cache [ 49.686735] Swap cache stats: add 0, delete 0, find 0/0 [ 49.692115] Free swap = 0kB [ 49.695126] Total swap = 0kB [ 49.698148] 1965979 pages RAM [ 49.701256] 0 pages HighMem/MovableOnly [ 49.705213] 315631 pages reserved [ 49.708644] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 49.717428] [ 191] 0 191 5384 184 16 3 0 -1000 udevd [ 49.726275] [ 290] 0 290 5383 162 14 3 0 -1000 udevd [ 49.735050] [ 291] 0 291 5382 162 14 3 0 -1000 udevd [ 49.743810] [ 1494] 0 1494 2493 574 9 3 0 0 dhclient [ 49.757713] [ 1625] 0 1625 14265 109 23 3 0 0 rsyslogd [ 49.766760] [ 1674] 0 1674 4725 50 14 3 0 0 cron [ 49.775459] [ 1686] 0 1686 3736 45 11 3 0 0 mcstransd [ 49.784767] [ 1701] 0 1701 12927 1231 26 3 0 0 restorecond [ 49.794045] [ 1726] 0 1726 12490 153 28 3 0 -1000 sshd [ 49.802727] [ 1756] 0 1756 3649 40 13 3 0 0 getty [ 49.811514] [ 1781] 0 1781 3649 42 13 3 0 0 getty [ 49.820294] [ 1782] 0 1782 3649 42 13 3 0 0 getty [ 49.829030] [ 1783] 0 1783 3649 44 13 3 0 0 getty [ 49.837791] [ 1784] 0 1784 3649 43 12 3 0 0 getty [ 49.846564] [ 1785] 0 1785 3649 43 13 3 0 0 getty [ 49.855380] [ 1786] 0 1786 3649 44 13 3 0 0 getty [ 49.864761] [ 1787] 0 1787 17821 197 39 3 0 0 sshd [ 49.879077] [ 1789] 0 1789 4406 1 4 2 0 0 syz-executor313 [ 49.894864] [ 1790] 0 1790 4406 14 4 2 0 0 syz-executor313 [ 49.904616] [ 1791] 0 1791 4406 14 4 2 0 0 syz-executor313 [ 49.914310] [ 1792] 0 1792 4406 14 4 2 0 0 syz-executor313 [ 49.924020] [ 1793] 0 1793 4406 14 4 2 0 0 syz-executor313 [ 49.933719] [ 1794] 0 1794 4406 14 4 2 0 0 syz-executor313 [ 49.943420] [ 1795] 0 1795 4406 14 4 2 0 0 syz-executor313 [ 49.953124] [ 1796] 0 1796 4406 14 4 2 0 0 syz-executor313 [ 49.962811] [ 1797] 0 1797 4406 14 4 2 0 0 syz-executor313 [ 49.973534] [ 1798] 0 1798 4406 14 4 2 0 0 syz-executor313 [ 49.988161] [ 1799] 0 1799 4406 14 4 2 0 0 syz-executor313 [ 49.997811] [ 1800] 0 1800 4406 14 4 2 0 0 syz-executor313 [ 50.011697] [ 1801] 0 1801 4406 14 4 2 0 0 syz-executor313 [ 50.021350] [ 1868] 0 1866 4472 0 6 3 0 1000 syz-executor313 [ 50.032115] [ 1870] 0 1867 4472 0 6 3 0 1000 syz-executor313 [ 50.041879] [ 1871] 0 1869 4472 0 6 3 0 1000 syz-executor313 [ 50.051598] [ 1919] 0 1918 4472 28 6 3 0 1000 syz-executor313 [ 50.061311] [ 1923] 0 1922 4472 28 6 3 0 1000 syz-executor313 [ 50.071033] [ 1925] 0 1925 95 1 5 3 0 0 modprobe [ 50.080135] Out of memory: Kill process 1918 (syz-executor313) score 999 or sacrifice child [ 50.088908] Killed process 1919 (syz-executor313) total-vm:17888kB, anon-rss:88kB, file-rss:24kB, shmem-rss:0kB [ 50.129725] oom_reaper: reaped process 1919 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 51.022093] syz-executor313 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 51.036012] CPU: 1 PID: 1919 Comm: syz-executor313 Not tainted 4.14.78+ #24 [ 51.043097] Call Trace: [ 51.045698] dump_stack+0xb9/0x11b [ 51.049244] dump_header+0x17d/0x7a8 [ 51.052952] ? trace_hardirqs_on_caller+0x381/0x520 [ 51.057976] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 51.063081] ? ___ratelimit+0x4f/0x3f0 [ 51.066984] oom_kill_process.cold.8+0x10/0xc88 [ 51.071644] ? lock_downgrade+0x560/0x560 [ 51.075777] ? check_preemption_disabled+0x34/0x160 [ 51.080780] out_of_memory+0x669/0xa60 [ 51.084659] ? oom_killer_disable+0x1f0/0x1f0 [ 51.089181] __alloc_pages_nodemask+0x1949/0x2300 [ 51.094038] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 51.098889] ? trace_hardirqs_on_caller+0x381/0x520 [ 51.103911] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.108681] __vmalloc_node_range+0x283/0x680 [ 51.113172] ? SyS_init_module+0x119/0x1e0 [ 51.117398] __vmalloc+0x63/0x80 [ 51.120769] ? SyS_init_module+0x119/0x1e0 [ 51.124997] SyS_init_module+0x119/0x1e0 [ 51.129041] ? load_module+0x9150/0x9150 [ 51.133108] ? do_syscall_64+0x43/0x4b0 [ 51.137096] ? load_module+0x9150/0x9150 [ 51.141169] do_syscall_64+0x19b/0x4b0 [ 51.145050] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.150238] RIP: 0033:0x448869 [ 51.153409] RSP: 002b:00007fc2ba6aace8 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 51.161098] RAX: ffffffffffffffda RBX: 00000000006e49e8 RCX: 0000000000448869 [ 51.168348] RDX: 0000000020000500 RSI: 00000000ffffff5f RDI: 00000000200002c0 [ 51.175602] RBP: 00000000006e49e0 R08: 00007fc2ba6ab700 R09: 0000000000000000 [ 51.182855] R10: 00007fc2ba6ab700 R11: 0000000000000246 R12: 00000000006e49ec [ 51.190114] R13: 00007ffcce18d0cf R14: 00007fc2ba6ab9c0 R15: 000000000000002d [ 51.205099] Mem-Info: [ 51.207546] active_anon:3312 inactive_anon:42 isolated_anon:0 [ 51.207546] active_file:722 inactive_file:1040 isolated_file:32 [ 51.207546] unevictable:0 dirty:1747 writeback:0 unstable:0 [ 51.207546] slab_reclaimable:4509 slab_unreclaimable:57270 [ 51.207546] mapped:19 shmem:48 pagetables:383 bounce:0 [ 51.207546] free:4674 free_pcp:200 free_cma:0 [ 51.243743] Node 0 active_anon:13248kB inactive_anon:168kB active_file:2888kB inactive_file:4160kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:76kB dirty:6988kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 51.266931] DMA32 free:16024kB min:4792kB low:7868kB high:10944kB active_anon:80kB inactive_anon:0kB active_file:40kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:32kB pagetables:28kB bounce:0kB free_pcp:264kB local_pcp:144kB free_cma:0kB [ 51.294039] lowmem_reserve[]: 0 3437 3437 [ 51.298217] Normal free:2672kB min:5480kB low:9000kB high:12520kB active_anon:13168kB inactive_anon:168kB active_file:2848kB inactive_file:4260kB unevictable:0kB writepending:6988kB present:4718592kB managed:3521720kB mlocked:0kB kernel_stack:2784kB pagetables:1504kB bounce:0kB free_pcp:536kB local_pcp:220kB free_cma:0kB [ 51.326825] lowmem_reserve[]: 0 0 0 [ 51.331135] DMA32: 4*4kB (UM) 7*8kB (M) 1*16kB (E) 2*32kB (UE) 2*64kB (UE) 1*128kB (E) 3*256kB (UME) 3*512kB (UME) 3*1024kB (UME) 3*2048kB (UME) 1*4096kB (M) = 16024kB [ 51.346386] Normal: 128*4kB (M) 70*8kB (M) 24*16kB (M) 14*32kB (M) 6*64kB (M) 1*128kB (M) 1*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2672kB [ 51.363405] 1849 total pagecache pages [ 51.367308] 0 pages in swap cache [ 51.370786] Swap cache stats: add 0, delete 0, find 0/0 [ 51.376150] Free swap = 0kB [ 51.379154] Total swap = 0kB [ 51.382199] 1965979 pages RAM [ 51.385297] 0 pages HighMem/MovableOnly [ 51.389260] 315631 pages reserved [ 51.392744] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 51.401503] [ 191] 0 191 5384 184 16 3 0 -1000 udevd [ 51.410345] [ 290] 0 290 5383 162 14 3 0 -1000 udevd [ 51.419105] [ 291] 0 291 5382 162 14 3 0 -1000 udevd [ 51.427888] [ 1494] 0 1494 2493 574 9 3 0 0 dhclient [ 51.436932] [ 1625] 0 1625 14265 109 23 3 0 0 rsyslogd [ 51.445976] [ 1674] 0 1674 4725 50 14 3 0 0 cron [ 51.454722] [ 1686] 0 1686 3736 45 11 3 0 0 mcstransd [ 51.480059] [ 1701] 0 1701 12927 1231 26 3 0 0 restorecond [ 51.489355] [ 1726] 0 1726 12490 153 28 3 0 -1000 sshd [ 51.520083] [ 1756] 0 1756 3649 40 13 3 0 0 getty [ 51.528868] [ 1781] 0 1781 3649 42 13 3 0 0 getty [ 51.550056] [ 1782] 0 1782 3649 42 13 3 0 0 getty [ 51.558827] [ 1783] 0 1783 3649 44 13 3 0 0 getty [ 51.590675] [ 1784] 0 1784 3649 43 12 3 0 0 getty [ 51.599473] [ 1785] 0 1785 3649 43 13 3 0 0 getty [ 51.630057] [ 1786] 0 1786 3649 44 13 3 0 0 getty [ 51.638880] [ 1787] 0 1787 17821 197 39 3 0 0 sshd [ 51.660058] [ 1789] 0 1789 4406 1 4 2 0 0 syz-executor313 [ 51.669705] [ 1790] 0 1790 4406 14 4 2 0 0 syz-executor313 [ 51.710059] [ 1791] 0 1791 4406 14 4 2 0 0 syz-executor313 [ 51.719725] [ 1792] 0 1792 4406 14 4 2 0 0 syz-executor313 [ 51.740063] [ 1793] 0 1793 4406 14 4 2 0 0 syz-executor313 [ 51.749709] [ 1794] 0 1794 4406 14 4 2 0 0 syz-executor313 [ 51.780070] [ 1795] 0 1795 4406 14 4 2 0 0 syz-executor313 [ 51.789925] [ 1796] 0 1796 4406 14 4 2 0 0 syz-executor313 [ 51.830060] [ 1797] 0 1797 4406 14 4 2 0 0 syz-executor313 [ 51.839720] [ 1798] 0 1798 4406 14 4 2 0 0 syz-executor313 [ 51.870057] [ 1799] 0 1799 4406 14 4 2 0 0 syz-executor313 [ 51.879713] [ 1800] 0 1800 4406 14 4 2 0 0 syz-executor313 [ 51.900060] [ 1801] 0 1801 4406 14 4 2 0 0 syz-executor313 [ 51.909702] [ 1868] 0 1866 4472 0 6 3 0 1000 syz-executor313 [ 51.950059] [ 1870] 0 1867 4472 0 6 3 0 1000 syz-executor313 [ 51.959717] [ 1871] 0 1869 4472 0 6 3 0 1000 syz-executor313 [ 51.990056] [ 1919] 0 1918 4472 0 6 3 0 1000 syz-executor313 [ 51.999705] [ 1923] 0 1922 4472 28 6 3 0 1000 syz-executor313 [ 52.020054] [ 1925] 0 1925 95 1 5 3 0 0 modprobe [ 52.029304] Out of memory: Kill process 1922 (syz-executor313) score 999 or sacrifice child [ 52.060177] Killed process 1923 (syz-executor313) total-vm:17888kB, anon-rss:88kB, file-rss:24kB, shmem-rss:0kB [ 52.090539] oom_reaper: reaped process 1923 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program executing program executing program executing program executing program [ 55.742363] oom_reaper: reaped process 1946 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 55.752733] oom_reaper: reaped process 1937 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 55.764520] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 55.777816] CPU: 0 PID: 1628 Comm: rsyslogd Not tainted 4.14.78+ #24 [ 55.784583] Call Trace: [ 55.787173] dump_stack+0xb9/0x11b [ 55.790726] dump_header+0x17d/0x7a8 [ 55.794439] ? trace_hardirqs_on_caller+0x381/0x520 [ 55.799454] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 55.804556] ? ___ratelimit+0x4f/0x3f0 [ 55.808445] oom_kill_process.cold.8+0x10/0xc88 [ 55.813115] ? lock_downgrade+0x560/0x560 [ 55.817266] ? check_preemption_disabled+0x34/0x160 [ 55.822289] out_of_memory+0x669/0xa60 [ 55.826195] ? oom_killer_disable+0x1f0/0x1f0 [ 55.830713] __alloc_pages_nodemask+0x1949/0x2300 [ 55.835580] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 55.840425] ? find_get_entry+0x118/0x550 [ 55.844576] ? __radix_tree_lookup+0x220/0x220 [ 55.849174] ? check_preemption_disabled+0x34/0x160 [ 55.854192] ? find_get_entry+0x13f/0x550 [ 55.858344] ? pagecache_get_page+0x129/0x770 [ 55.862845] filemap_fault+0xcdd/0x14a0 [ 55.866836] ext4_filemap_fault+0x7d/0xb0 [ 55.870982] __do_fault+0x80/0x210 [ 55.874526] __handle_mm_fault+0xe04/0x23a0 [ 55.878849] ? SyS_read+0x158/0x1a0 [ 55.882500] ? vm_insert_page+0x6d0/0x6d0 [ 55.886651] ? __fsnotify_parent+0xb1/0x300 [ 55.890995] ? check_preemption_disabled+0x34/0x160 [ 55.896021] handle_mm_fault+0x2f2/0x6eb [ 55.900085] __do_page_fault+0x45d/0xb60 [ 55.904150] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 55.909514] ? bad_area_access_error+0x330/0x330 [ 55.914266] ? page_fault+0x2c/0x50 [ 55.917886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.922732] ? page_fault+0x2c/0x50 [ 55.926357] page_fault+0x42/0x50 [ 55.929805] RIP: 933699c0:0x7f7c9640e040 [ 55.933855] RSP: 14c94b0:0000000000000000 EFLAGS: 0065e420 [ 55.939493] Mem-Info: [ 55.947577] active_anon:3349 inactive_anon:42 isolated_anon:0 [ 55.947577] active_file:38 inactive_file:21 isolated_file:0 [ 55.947577] unevictable:0 dirty:19 writeback:0 unstable:0 [ 55.947577] slab_reclaimable:4557 slab_unreclaimable:56955 [ 55.947577] mapped:2 shmem:48 pagetables:383 bounce:0 [ 55.947577] free:4525 free_pcp:0 free_cma:0 [ 56.070108] Node 0 active_anon:13376kB inactive_anon:168kB active_file:60kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:76kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 56.120071] DMA32 free:15968kB min:4792kB low:7868kB high:10944kB active_anon:168kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:96kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 56.182437] lowmem_reserve[]: 0 3437 3437 [ 56.186682] Normal free:2492kB min:5480kB low:9000kB high:12520kB active_anon:13208kB inactive_anon:168kB active_file:56kB inactive_file:116kB unevictable:0kB writepending:76kB present:4718592kB managed:3521720kB mlocked:0kB kernel_stack:2688kB pagetables:1436kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 56.252256] lowmem_reserve[]: 0 0 0 [ 56.255941] DMA32: 4*4kB (M) 4*8kB (UM) 5*16kB (ME) 1*32kB (E) 1*64kB (M) 3*128kB (UME) 2*256kB (UE) 3*512kB (UME) 3*1024kB (UME) 3*2048kB (UME) 1*4096kB (M) = 15968kB [ 56.300056] Normal: 169*4kB (UM) 61*8kB (M) 41*16kB (UM) 11*32kB (M) 1*64kB (U) 2*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2492kB [ 56.332253] 92 total pagecache pages [ 56.335988] 0 pages in swap cache [ 56.339432] Swap cache stats: add 0, delete 0, find 0/0 [ 56.352233] Free swap = 0kB [ 56.355259] Total swap = 0kB [ 56.358267] 1965979 pages RAM [ 56.372252] 0 pages HighMem/MovableOnly [ 56.376235] 315631 pages reserved [ 56.379681] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 56.411537] [ 191] 0 191 5384 184 16 3 0 -1000 udevd [ 56.431471] [ 290] 0 290 5383 162 14 3 0 -1000 udevd [ 56.450738] [ 291] 0 291 5382 162 14 3 0 -1000 udevd [ 56.459531] [ 1494] 0 1494 2493 574 9 3 0 0 dhclient [ 56.480061] [ 1625] 0 1625 14265 170 23 3 0 0 rsyslogd [ 56.489091] [ 1674] 0 1674 4725 50 14 3 0 0 cron [ 56.510144] [ 1686] 0 1686 3736 45 11 3 0 0 mcstransd [ 56.519269] [ 1701] 0 1701 12927 1231 26 3 0 0 restorecond [ 56.552964] [ 1726] 0 1726 12490 153 28 3 0 -1000 sshd [ 56.573092] [ 1756] 0 1756 3649 40 13 3 0 0 getty [ 56.593528] [ 1787] 0 1787 17821 197 39 3 0 0 sshd [ 56.620069] [ 1789] 0 1789 4406 1 4 2 0 0 syz-executor313 [ 56.629734] [ 1790] 0 1790 4406 14 4 2 0 0 syz-executor313 [ 56.662992] [ 1791] 0 1791 4406 14 4 2 0 0 syz-executor313 [ 56.682910] [ 1792] 0 1792 4406 14 4 2 0 0 syz-executor313 [ 56.702881] [ 1793] 0 1793 4406 14 4 2 0 0 syz-executor313 [ 56.731418] [ 1794] 0 1794 4406 14 4 2 0 0 syz-executor313 [ 56.751518] [ 1795] 0 1795 4406 14 4 2 0 0 syz-executor313 [ 56.783087] [ 1796] 0 1796 4405 20 4 2 0 0 syz-executor313 [ 56.803329] [ 1797] 0 1797 4405 20 4 2 0 0 syz-executor313 [ 56.831494] [ 1798] 0 1798 4405 20 4 2 0 0 syz-executor313 [ 56.853163] [ 1799] 0 1799 4405 20 4 2 0 0 syz-executor313 [ 56.880842] [ 1800] 0 1800 4406 14 4 2 0 0 syz-executor313 [ 56.900876] [ 1801] 0 1801 4406 14 4 2 0 0 syz-executor313 [ 56.920466] [ 1923] 0 1922 4472 0 6 3 0 1000 syz-executor313 [ 56.935702] [ 1926] 0 1926 3649 41 13 3 0 0 getty [ 56.991530] [ 1927] 0 1927 3649 42 12 3 0 0 getty [ 57.016510] [ 1928] 0 1928 3649 42 13 3 0 0 getty [ 57.055015] [ 1929] 0 1929 3649 41 13 3 0 0 getty [ 57.072614] [ 1930] 0 1930 3649 42 12 3 0 0 getty [ 57.101338] [ 1931] 0 1931 3649 41 13 3 0 0 getty [ 57.136163] [ 1934] 0 1933 4472 22 6 3 0 1000 syz-executor313 [ 57.182522] [ 1937] 0 1936 4471 0 6 3 0 1000 syz-executor313 [ 57.240082] [ 1940] 0 1939 4471 24 6 3 0 1000 syz-executor313 [ 57.249756] [ 1943] 0 1942 4471 24 6 3 0 1000 syz-executor313 [ 57.310493] Out of memory: Kill process 1939 (syz-executor313) score 999 or sacrifice child [ 57.319045] Killed process 1940 (syz-executor313) total-vm:17884kB, anon-rss:96kB, file-rss:0kB, shmem-rss:0kB [ 57.392033] oom_reaper: reaped process 1940 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program [ 57.888809] syz-executor313 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 57.987581] CPU: 1 PID: 1798 Comm: syz-executor313 Not tainted 4.14.78+ #24 [ 57.994723] Call Trace: [ 57.997315] dump_stack+0xb9/0x11b [ 58.000864] dump_header+0x17d/0x7a8 [ 58.004578] ? trace_hardirqs_on_caller+0x381/0x520 [ 58.009589] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 58.014696] ? ___ratelimit+0x4f/0x3f0 [ 58.018588] oom_kill_process.cold.8+0x10/0xc88 [ 58.023259] ? lock_downgrade+0x560/0x560 [ 58.027408] ? check_preemption_disabled+0x34/0x160 [ 58.032426] out_of_memory+0x669/0xa60 [ 58.036319] ? oom_killer_disable+0x1f0/0x1f0 [ 58.040824] __alloc_pages_nodemask+0x1949/0x2300 [ 58.045696] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 58.050548] ? find_get_entry+0x118/0x550 [ 58.054710] ? check_preemption_disabled+0x34/0x160 [ 58.059726] ? check_preemption_disabled+0x34/0x160 [ 58.064746] ? find_get_entry+0x13f/0x550 [ 58.068894] ? pagecache_get_page+0x129/0x770 [ 58.073394] filemap_fault+0xcdd/0x14a0 [ 58.077385] ext4_filemap_fault+0x7d/0xb0 [ 58.081551] __do_fault+0x80/0x210 [ 58.085090] __handle_mm_fault+0xe04/0x23a0 [ 58.089406] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 58.094508] ? vm_insert_page+0x6d0/0x6d0 [ 58.098656] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 58.103768] ? free_object+0xe4/0x240 [ 58.107578] ? check_preemption_disabled+0x34/0x160 [ 58.112596] handle_mm_fault+0x2f2/0x6eb [ 58.116663] __do_page_fault+0x45d/0xb60 [ 58.120740] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 58.126104] ? bad_area_access_error+0x330/0x330 [ 58.130858] ? page_fault+0x2c/0x50 [ 58.134477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.139313] ? page_fault+0x2c/0x50 [ 58.142937] page_fault+0x42/0x50 [ 58.146385] RIP: d6cf: (null) [ 58.150289] RSP: 0015:0000000000000015 EFLAGS: 00000001 [ 58.382740] Mem-Info: [ 58.402831] active_anon:3344 inactive_anon:42 isolated_anon:0 [ 58.402831] active_file:3 inactive_file:1 isolated_file:0 [ 58.402831] unevictable:0 dirty:0 writeback:0 unstable:0 [ 58.402831] slab_reclaimable:4573 slab_unreclaimable:57007 [ 58.402831] mapped:2 shmem:48 pagetables:383 bounce:0 [ 58.402831] free:4594 free_pcp:210 free_cma:0 [ 58.456147] Node 0 active_anon:13376kB inactive_anon:168kB active_file:12kB inactive_file:404kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:108kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 58.541719] DMA32 free:16124kB min:4792kB low:7868kB high:10944kB active_anon:120kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:96kB pagetables:72kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 58.569078] lowmem_reserve[]: 0 3437 3437 [ 58.573763] Normal free:37228kB min:5480kB low:9000kB high:12520kB active_anon:13256kB inactive_anon:168kB active_file:444kB inactive_file:184kB unevictable:0kB writepending:0kB present:4718592kB managed:3521720kB mlocked:0kB kernel_stack:2720kB pagetables:1460kB bounce:0kB free_pcp:456kB local_pcp:116kB free_cma:0kB [ 58.602425] lowmem_reserve[]: 0 0 0 [ 58.606183] DMA32: 7*4kB (UM) 10*8kB (UM) 6*16kB (UME) 3*32kB (UE) 3*64kB (UM) 2*128kB (ME) 3*256kB (UE) 3*512kB (UME) 3*1024kB (UME) 3*2048kB (UME) 1*4096kB (M) = 16364kB [ 58.622045] Normal: 11*4kB (UE) 3*8kB (UM) 9*16kB (UE) 7*32kB (UME) 6*64kB (UM) 76*128kB (UM) 2*256kB (UM) 8*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 15156kB [ 58.636524] 381 total pagecache pages [ 58.640566] 0 pages in swap cache [ 58.644125] Swap cache stats: add 0, delete 0, find 0/0 [ 58.649586] Free swap = 0kB [ 58.652843] Total swap = 0kB [ 58.655980] 1965979 pages RAM [ 58.659178] 0 pages HighMem/MovableOnly [ 58.684178] 315631 pages reserved [ 58.710503] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 58.719219] [ 191] 0 191 5384 184 16 3 0 -1000 udevd [ 58.734607] [ 290] 0 290 5383 162 14 3 0 -1000 udevd [ 58.743477] [ 291] 0 291 5382 162 14 3 0 -1000 udevd [ 58.763402] [ 1494] 0 1494 2493 574 9 3 0 0 dhclient [ 58.800095] [ 1625] 0 1625 14265 170 23 3 0 0 rsyslogd [ 58.809488] [ 1674] 0 1674 4725 50 14 3 0 0 cron [ 58.835287] [ 1686] 0 1686 3736 45 11 3 0 0 mcstransd [ 58.844489] [ 1701] 0 1701 12927 1231 26 3 0 0 restorecond [ 58.877436] [ 1726] 0 1726 12490 153 28 3 0 -1000 sshd [ 58.926112] [ 1756] 0 1756 3649 40 13 3 0 0 getty [ 58.970381] [ 1787] 0 1787 17821 198 39 3 0 0 sshd [ 59.011809] [ 1789] 0 1789 4406 1 4 2 0 0 syz-executor313 [ 59.032674] [ 1790] 0 1790 4406 14 4 2 0 0 syz-executor313 [ 59.042848] [ 1791] 0 1791 4406 14 4 2 0 0 syz-executor313 [ 59.071792] [ 1792] 0 1792 4406 14 4 2 0 0 syz-executor313 [ 59.100505] [ 1793] 0 1793 4406 14 4 2 0 0 syz-executor313 [ 59.116640] [ 1794] 0 1794 4406 14 4 2 0 0 syz-executor313 [ 59.126322] [ 1795] 0 1795 4406 14 4 2 0 0 syz-executor313 [ 59.142808] [ 1796] 0 1796 4405 20 4 2 0 0 syz-executor313 [ 59.159918] [ 1797] 0 1797 4405 20 4 2 0 0 syz-executor313 [ 59.169677] [ 1798] 0 1798 4405 20 4 2 0 0 syz-executor313 [ 59.181570] [ 1799] 0 1799 4405 20 4 2 0 0 syz-executor313 [ 59.191238] [ 1800] 0 1800 4406 14 4 2 0 0 syz-executor313 [ 59.210058] [ 1801] 0 1801 4406 18 4 2 0 0 syz-executor313 [ 59.219706] [ 1923] 0 1922 4472 0 6 3 0 1000 syz-executor313 [ 59.253500] [ 1926] 0 1926 3649 41 13 3 0 0 getty [ 59.272002] [ 1927] 0 1927 3649 42 12 3 0 0 getty [ 59.281341] [ 1928] 0 1928 3649 42 13 3 0 0 getty [ 59.291205] [ 1929] 0 1929 3649 41 13 3 0 0 getty [ 59.300088] [ 1930] 0 1930 3649 42 12 3 0 0 getty [ 59.308928] [ 1931] 0 1931 3649 41 13 3 0 0 getty [ 59.317801] [ 1934] 0 1933 4472 22 6 3 0 1000 syz-executor313 [ 59.327531] [ 1940] 0 1939 4471 0 6 3 0 1000 syz-executor313 [ 59.337265] [ 1943] 0 1942 4471 24 6 3 0 1000 syz-executor313 [ 59.347004] [ 1949] 0 1948 4471 24 6 3 0 1000 syz-executor313 [ 59.356784] Out of memory: Kill process 1942 (syz-executor313) score 999 or sacrifice child [ 59.365403] Killed process 1943 (syz-executor313) total-vm:17884kB, anon-rss:96kB, file-rss:0kB, shmem-rss:0kB [ 59.440710] oom_reaper: reaped process 1943 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 59.538720] syz-executor313 invoked oom-killer: gfp_mask=0x14082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 59.579049] CPU: 0 PID: 1799 Comm: syz-executor313 Not tainted 4.14.78+ #24 [ 59.586179] Call Trace: [ 59.588765] dump_stack+0xb9/0x11b [ 59.592303] dump_header+0x17d/0x7a8 [ 59.596008] ? trace_hardirqs_on_caller+0x381/0x520 [ 59.601012] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 59.606105] ? ___ratelimit+0x4f/0x3f0 [ 59.609985] oom_kill_process.cold.8+0x10/0xc88 [ 59.614646] ? lock_downgrade+0x560/0x560 [ 59.618786] ? check_preemption_disabled+0x34/0x160 [ 59.623804] out_of_memory+0x669/0xa60 [ 59.627691] ? oom_killer_disable+0x1f0/0x1f0 [ 59.632191] __alloc_pages_nodemask+0x1949/0x2300 [ 59.637040] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 59.641874] ? _raw_spin_unlock+0x29/0x40 [ 59.646010] ? alloc_vmap_area.isra.8+0x687/0x7f0 [ 59.650858] ? kasan_unpoison_shadow+0x30/0x40 [ 59.655435] ? __kmalloc+0x153/0x340 [ 59.659138] __vmalloc_node_range+0x283/0x680 [ 59.663629] ? alloc_counters.isra.5+0x3f/0x80 [ 59.668199] vzalloc+0x63/0x80 [ 59.671380] ? alloc_counters.isra.5+0x3f/0x80 [ 59.675957] alloc_counters.isra.5+0x3f/0x80 [ 59.680353] do_ipt_get_ctl+0x41c/0x760 [ 59.684318] ? avc_has_perm+0x1ce/0x390 [ 59.688282] ? alloc_counters.isra.5+0x80/0x80 [ 59.692859] ? __mutex_unlock_slowpath+0x8d/0x770 [ 59.697699] ? wait_for_completion_io+0x10/0x10 [ 59.702377] nf_getsockopt+0x68/0xd0 [ 59.706102] ip_getsockopt+0x118/0x160 [ 59.709983] ? do_ip_getsockopt+0x1500/0x1500 [ 59.714473] ? sock_alloc_file+0x1d2/0x310 [ 59.718709] tcp_getsockopt+0x80/0xc0 [ 59.722509] SyS_getsockopt+0x126/0x200 [ 59.726475] ? SyS_setsockopt+0x220/0x220 [ 59.730612] ? SyS_socket+0x139/0x1d0 [ 59.734402] ? trace_hardirqs_on_caller+0x381/0x520 [ 59.739411] ? move_addr_to_kernel+0x50/0x50 [ 59.743811] ? do_syscall_64+0x43/0x4b0 [ 59.747775] ? SyS_setsockopt+0x220/0x220 [ 59.751914] do_syscall_64+0x19b/0x4b0 [ 59.755798] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.760978] RIP: 0033:0x44b33a [ 59.764155] RSP: 002b:00007ffcce18c9b8 EFLAGS: 00000216 ORIG_RAX: 0000000000000037 [ 59.771850] RAX: ffffffffffffffda RBX: 00000000006e0d40 RCX: 000000000044b33a [ 59.779106] RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003 [ 59.786560] RBP: 00000000006e0d40 R08: 00007ffcce18c9dc R09: 0000000000004000 [ 59.793816] R10: 00007ffcce18cae0 R11: 0000000000000216 R12: 0000000000000003 [ 59.801072] R13: 00007ffcce18cae0 R14: 00007ffcce18c9e0 R15: 0000000000000000 [ 60.186383] Mem-Info: [ 60.188918] active_anon:3329 inactive_anon:42 isolated_anon:0 [ 60.188918] active_file:19 inactive_file:88 isolated_file:0 [ 60.188918] unevictable:0 dirty:11 writeback:0 unstable:0 [ 60.188918] slab_reclaimable:4591 slab_unreclaimable:56815 [ 60.188918] mapped:85 shmem:48 pagetables:377 bounce:0 [ 60.188918] free:5302 free_pcp:485 free_cma:0 [ 60.223423] Node 0 active_anon:13316kB inactive_anon:168kB active_file:76kB inactive_file:296kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:40kB dirty:44kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 60.247485] DMA32 free:20964kB min:4792kB low:7868kB high:10944kB active_anon:72kB inactive_anon:0kB active_file:40kB inactive_file:472kB unevictable:0kB writepending:40kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:96kB pagetables:72kB bounce:0kB free_pcp:972kB local_pcp:272kB free_cma:0kB [ 60.275895] lowmem_reserve[]: 0 3437 3437 [ 60.280611] Normal free:11444kB min:5480kB low:9000kB high:12520kB active_anon:13244kB inactive_anon:168kB active_file:72kB inactive_file:40kB unevictable:0kB writepending:4kB present:4718592kB managed:3521720kB mlocked:0kB kernel_stack:2688kB pagetables:1436kB bounce:0kB free_pcp:148kB local_pcp:116kB free_cma:0kB [ 60.370055] lowmem_reserve[]: 0 0 0 [ 60.373879] DMA32: 9*4kB (ME) 11*8kB (ME) 8*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (UME) 3*256kB (UME) 3*512kB (ME) 3*1024kB (UE) 3*2048kB (UME) 1*4096kB (M) = 16540kB [ 60.410060] Normal: 2*4kB (UM) 2*8kB (UM) 17*16kB (UM) 3*32kB (UE) 17*64kB (UE) 10*128kB (UM) 0*256kB 3*512kB (UME) 1*1024kB (E) 0*2048kB 0*4096kB = 5320kB [ 60.427102] 85 total pagecache pages [ 60.430880] 0 pages in swap cache [ 60.434357] Swap cache stats: add 0, delete 0, find 0/0 [ 60.439845] Free swap = 0kB [ 60.464855] Total swap = 0kB [ 60.473203] 1965979 pages RAM [ 60.500059] 0 pages HighMem/MovableOnly [ 60.504060] 315631 pages reserved [ 60.507500] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 60.534049] [ 191] 0 191 5384 184 16 3 0 -1000 udevd [ 60.560094] [ 290] 0 290 5383 162 14 3 0 -1000 udevd [ 60.568877] [ 291] 0 291 5382 162 14 3 0 -1000 udevd [ 60.600062] [ 1494] 0 1494 2493 574 9 3 0 0 dhclient [ 60.609097] [ 1625] 0 1625 14265 173 23 3 0 0 rsyslogd [ 60.639394] [ 1674] 0 1674 4725 50 14 3 0 0 cron [ 60.658130] [ 1686] 0 1686 3736 45 11 3 0 0 mcstransd [ 60.681579] [ 1701] 0 1701 12927 1231 26 3 0 0 restorecond [ 60.700496] [ 1726] 0 1726 12490 153 28 3 0 -1000 sshd [ 60.720238] [ 1756] 0 1756 3649 40 13 3 0 0 getty [ 60.740669] [ 1787] 0 1787 17821 198 39 3 0 0 sshd [ 60.758165] [ 1789] 0 1789 4406 1 4 2 0 0 syz-executor313 [ 60.777823] [ 1790] 0 1790 4406 14 4 2 0 0 syz-executor313 [ 60.800930] [ 1791] 0 1791 4406 14 4 2 0 0 syz-executor313 [ 60.821651] [ 1792] 0 1792 4406 14 4 2 0 0 syz-executor313 [ 60.841322] [ 1793] 0 1793 4406 14 4 2 0 0 syz-executor313 [ 60.862278] [ 1794] 0 1794 4406 14 4 2 0 0 syz-executor313 [ 60.881871] [ 1795] 0 1795 4406 14 4 2 0 0 syz-executor313 [ 60.902821] [ 1796] 0 1796 4405 20 4 2 0 0 syz-executor313 [ 60.924039] [ 1797] 0 1797 4405 20 4 2 0 0 syz-executor313 [ 60.943654] [ 1798] 0 1798 4405 20 4 2 0 0 syz-executor313 [ 60.963224] [ 1799] 0 1799 4405 20 4 2 0 0 syz-executor313 [ 60.991549] [ 1800] 0 1800 4406 14 4 2 0 0 syz-executor313 [ 61.022134] [ 1801] 0 1801 4406 18 4 2 0 0 syz-executor313 [ 61.051618] [ 1926] 0 1926 3649 41 13 3 0 0 getty [ 61.090100] [ 1927] 0 1927 3649 42 12 3 0 0 getty [ 61.098898] [ 1928] 0 1928 3649 42 13 3 0 0 getty [ 61.113028] [ 1929] 0 1929 3649 41 13 3 0 0 getty [ 61.122583] [ 1930] 0 1930 3649 42 12 3 0 0 getty [ 61.133389] [ 1931] 0 1931 3649 41 13 3 0 0 getty [ 61.142909] [ 1934] 0 1933 4472 22 6 3 0 1000 syz-executor313 [ 61.154612] [ 1943] 0 1942 4471 0 6 3 0 1000 syz-executor313 [ 61.165054] [ 1949] 0 1948 4471 24 6 3 0 1000 syz-executor313 [ 61.178247] Out of memory: Kill process 1948 (syz-executor313) score 999 or sacrifice child [ 61.188636] Killed process 1949 (syz-executor313) total-vm:17884kB, anon-rss:96kB, file-rss:0kB, shmem-rss:0kB [ 61.231058] oom_reaper: reaped process 1949 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 61.250925] syz-executor313 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 61.280832] CPU: 0 PID: 1796 Comm: syz-executor313 Not tainted 4.14.78+ #24 [ 61.287940] Call Trace: [ 61.290532] dump_stack+0xb9/0x11b [ 61.294073] dump_header+0x17d/0x7a8 [ 61.297784] ? trace_hardirqs_on_caller+0x381/0x520 [ 61.302797] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 61.307896] ? ___ratelimit+0x4f/0x3f0 [ 61.311782] oom_kill_process.cold.8+0x10/0xc88 [ 61.316446] ? lock_downgrade+0x560/0x560 [ 61.320595] ? check_preemption_disabled+0x34/0x160 [ 61.325611] out_of_memory+0x669/0xa60 [ 61.329495] ? oom_killer_disable+0x1f0/0x1f0 [ 61.333999] __alloc_pages_nodemask+0x1949/0x2300 [ 61.338859] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 61.343710] ? find_get_entry+0x118/0x550 [ 61.347858] ? __radix_tree_lookup+0x220/0x220 [ 61.352441] ? check_preemption_disabled+0x34/0x160 [ 61.357456] ? find_get_entry+0x13f/0x550 [ 61.361607] ? pagecache_get_page+0x129/0x770 [ 61.366101] filemap_fault+0xcdd/0x14a0 [ 61.370088] ext4_filemap_fault+0x7d/0xb0 [ 61.374230] __do_fault+0x80/0x210 [ 61.377768] __handle_mm_fault+0xe04/0x23a0 [ 61.382090] ? kernel_wait4+0x15d/0x200 [ 61.386059] ? vm_insert_page+0x6d0/0x6d0 [ 61.390225] ? check_preemption_disabled+0x34/0x160 [ 61.395243] handle_mm_fault+0x2f2/0x6eb [ 61.399301] __do_page_fault+0x45d/0xb60 [ 61.403368] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 61.408727] ? bad_area_access_error+0x330/0x330 [ 61.413496] ? page_fault+0x2c/0x50 [ 61.417117] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.421969] ? page_fault+0x2c/0x50 [ 61.425590] page_fault+0x42/0x50 [ 61.429035] RIP: d633: (null) [ 61.432907] RSP: 0000:0000000000000015 EFLAGS: 00000001 [ 61.661321] Mem-Info: [ 61.694899] active_anon:3305 inactive_anon:42 isolated_anon:0 [ 61.694899] active_file:85 inactive_file:76 isolated_file:0 [ 61.694899] unevictable:0 dirty:0 writeback:0 unstable:0 [ 61.694899] slab_reclaimable:4601 slab_unreclaimable:56847 [ 61.694899] mapped:102 shmem:48 pagetables:377 bounce:0 [ 61.694899] free:6886 free_pcp:409 free_cma:0 [ 61.790134] Node 0 active_anon:13220kB inactive_anon:168kB active_file:120kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:108kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 61.862761] DMA32 free:22628kB min:4792kB low:7868kB high:10944kB active_anon:76kB inactive_anon:0kB active_file:456kB inactive_file:212kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:96kB pagetables:72kB bounce:0kB free_pcp:724kB local_pcp:724kB free_cma:0kB [ 61.930065] lowmem_reserve[]: 0 3437 3437 [ 61.934332] Normal free:6416kB min:5480kB low:9000kB high:12520kB active_anon:13244kB inactive_anon:168kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3521720kB mlocked:0kB kernel_stack:2688kB pagetables:1436kB bounce:0kB free_pcp:664kB local_pcp:0kB free_cma:0kB [ 62.000055] lowmem_reserve[]: 0 0 0 [ 62.003728] DMA32: 2317*4kB (UME) 1787*8kB (UE) 2110*16kB (UME) 1684*32kB (U) 831*64kB (UME) 29*128kB (UM) 12*256kB (UME) 3*512kB (UME) 7*1024kB (UME) 2*2048kB (UE) 1*4096kB (M) = 188076kB [ 62.047766] Normal: 3*4kB (UMH) 2*8kB (MH) 1*16kB (M) 113*32kB (UM) 334*64kB (UM) 48*128kB (UM) 49*256kB (UM) 12*512kB (UM) 7*1024kB (U) 0*2048kB 0*4096kB = 57036kB [ 62.094647] 450 total pagecache pages [ 62.107386] 0 pages in swap cache [ 62.117597] Swap cache stats: add 0, delete 0, find 0/0 [ 62.129640] Free swap = 0kB [ 62.136153] Total swap = 0kB [ 62.142515] 1965979 pages RAM [ 62.148958] 0 pages HighMem/MovableOnly [ 62.157435] 315631 pages reserved [ 62.164319] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 62.183102] [ 191] 0 191 5384 184 16 3 0 -1000 udevd [ 62.200821] [ 290] 0 290 5383 162 14 3 0 -1000 udevd [ 62.219514] [ 291] 0 291 5382 162 14 3 0 -1000 udevd [ 62.239364] [ 1494] 0 1494 2493 574 9 3 0 0 dhclient [ 62.267114] [ 1625] 0 1625 14265 173 23 3 0 0 rsyslogd [ 62.294962] [ 1674] 0 1674 4725 50 14 3 0 0 cron [ 62.317044] [ 1686] 0 1686 3736 45 11 3 0 0 mcstransd [ 62.336215] [ 1701] 0 1701 12927 1231 26 3 0 0 restorecond [ 62.355491] [ 1726] 0 1726 12490 153 28 3 0 -1000 sshd [ 62.373036] [ 1756] 0 1756 3649 40 13 3 0 0 getty [ 62.391795] [ 1787] 0 1787 17821 198 39 3 0 0 sshd [ 62.409364] [ 1789] 0 1789 4406 1 4 2 0 0 syz-executor313 [ 62.429131] [ 1790] 0 1790 4406 14 4 2 0 0 syz-executor313 [ 62.449962] [ 1791] 0 1791 4406 14 4 2 0 0 syz-executor313 [ 62.470970] [ 1792] 0 1792 4406 14 4 2 0 0 syz-executor313 [ 62.490385] [ 1793] 0 1793 4406 14 4 2 0 0 syz-executor313 [ 62.509988] [ 1794] 0 1794 4406 14 4 2 0 0 syz-executor313 [ 62.530866] [ 1795] 0 1795 4406 14 4 2 0 0 syz-executor313 [ 62.550347] [ 1796] 0 1796 4405 20 4 2 0 0 syz-executor313 [ 62.569941] [ 1797] 0 1797 4405 20 4 2 0 0 syz-executor313 [ 62.590756] [ 1798] 0 1798 4405 20 4 2 0 0 syz-executor313 [ 62.610374] [ 1801] 0 1801 4406 18 4 2 0 0 syz-executor313 [ 62.625770] [ 1926] 0 1926 3649 41 13 3 0 0 getty [ 62.634875] [ 1927] 0 1927 3649 42 12 3 0 0 getty [ 62.643724] [ 1928] 0 1928 3649 42 13 3 0 0 getty [ 62.652914] [ 1929] 0 1929 3649 41 13 3 0 0 getty [ 62.662127] [ 1930] 0 1930 3649 42 12 3 0 0 getty [ 62.672294] [ 1931] 0 1931 3649 41 13 3 0 0 getty [ 62.681096] [ 1934] 0 1933 4472 23 13 3 0 1000 syz-executor313 [ 62.691056] [ 1949] 0 1948 4471 0 6 3 0 1000 syz-executor313 [ 62.710403] Out of memory: Kill process 1933 (syz-executor313) score 999 or sacrifice child [ 62.718917] Killed process 1934 (syz-executor313) total-vm:17888kB, anon-rss:92kB, file-rss:0kB, shmem-rss:0kB [ 62.770888] oom_reaper: reaped process 1934 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program executing program executing program [ 64.112698] oom_reaper: reaped process 1964 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 64.164499] syz-executor313 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 64.181976] CPU: 1 PID: 1798 Comm: syz-executor313 Not tainted 4.14.78+ #24 [ 64.189085] Call Trace: [ 64.191675] dump_stack+0xb9/0x11b [ 64.195232] dump_header+0x17d/0x7a8 [ 64.198966] ? trace_hardirqs_on_caller+0x381/0x520 [ 64.203982] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 64.209107] ? ___ratelimit+0x4f/0x3f0 [ 64.212997] oom_kill_process.cold.8+0x10/0xc88 [ 64.217662] ? lock_downgrade+0x560/0x560 [ 64.221838] ? check_preemption_disabled+0x34/0x160 [ 64.226878] out_of_memory+0x669/0xa60 [ 64.230768] ? oom_killer_disable+0x1f0/0x1f0 [ 64.235275] __alloc_pages_nodemask+0x1949/0x2300 [ 64.240137] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 64.245004] ? find_get_entry+0x118/0x550 [ 64.249153] ? check_preemption_disabled+0x34/0x160 [ 64.254163] ? check_preemption_disabled+0x34/0x160 [ 64.259177] ? find_get_entry+0x13f/0x550 [ 64.263329] ? pagecache_get_page+0x129/0x770 [ 64.267829] filemap_fault+0xcdd/0x14a0 [ 64.271819] ext4_filemap_fault+0x7d/0xb0 [ 64.275963] __do_fault+0x80/0x210 [ 64.279502] __handle_mm_fault+0xe04/0x23a0 [ 64.283820] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 64.288927] ? vm_insert_page+0x6d0/0x6d0 [ 64.293069] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 64.298165] ? free_object+0xe4/0x240 [ 64.301975] ? check_preemption_disabled+0x34/0x160 [ 64.306996] handle_mm_fault+0x2f2/0x6eb [ 64.311057] __do_page_fault+0x45d/0xb60 [ 64.315120] ? retint_user+0x18/0x18 [ 64.318832] ? bad_area_access_error+0x330/0x330 [ 64.323585] ? page_fault+0x2c/0x50 [ 64.327204] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.332047] ? page_fault+0x2c/0x50 [ 64.335671] page_fault+0x42/0x50 [ 64.339123] RIP: f566: (null) [ 64.342998] RSP: 0018:0000000000000018 EFLAGS: 00000002 [ 64.471565] Mem-Info: [ 64.479399] active_anon:3316 inactive_anon:42 isolated_anon:0 [ 64.479399] active_file:19 inactive_file:19 isolated_file:7 [ 64.479399] unevictable:0 dirty:0 writeback:0 unstable:0 [ 64.479399] slab_reclaimable:4665 slab_unreclaimable:56356 [ 64.479399] mapped:0 shmem:48 pagetables:369 bounce:0 [ 64.479399] free:9801 free_pcp:206 free_cma:0 [ 64.530076] Node 0 active_anon:13264kB inactive_anon:168kB active_file:76kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):28kB mapped:0kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 64.552386] DMA32 free:16020kB min:4792kB low:7868kB high:10944kB active_anon:112kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:32kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 64.579155] lowmem_reserve[]: 0 3437 3437 [ 64.583359] Normal free:169588kB min:5480kB low:9000kB high:12520kB active_anon:13152kB inactive_anon:168kB active_file:68kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3521720kB mlocked:0kB kernel_stack:2656kB pagetables:1452kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 64.620072] lowmem_reserve[]: 0 0 0 [ 64.623732] DMA32: 7*4kB (UME) 9*8kB (M) 12*16kB (UME) 5*32kB (ME) 7*64kB (UME) 2*128kB (UE) 1*256kB (M) 3*512kB (ME) 3*1024kB (UE) 3*2048kB (UME) 1*4096kB (M) = 16260kB [ 64.670074] Normal: 9*4kB (H) 5*8kB (H) 5*16kB (UH) 5*32kB (UH) 10*64kB (H) 5*128kB (H) 2*256kB (UH) 3*512kB (UMH) 1*1024kB (H) 0*2048kB 0*4096kB = 4668kB [ 64.695610] 93 total pagecache pages [ 64.699346] 0 pages in swap cache [ 64.702850] Swap cache stats: add 0, delete 0, find 0/0 [ 64.708207] Free swap = 0kB [ 64.711243] Total swap = 0kB [ 64.714255] 1965979 pages RAM [ 64.717371] 0 pages HighMem/MovableOnly [ 64.721387] 315631 pages reserved [ 64.724834] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 64.733644] [ 191] 0 191 5384 184 16 3 0 -1000 udevd [ 64.742474] [ 290] 0 290 5383 162 14 3 0 -1000 udevd [ 64.751263] [ 291] 0 291 5382 162 14 3 0 -1000 udevd [ 64.760049] [ 1494] 0 1494 2493 574 9 3 0 0 dhclient [ 64.769065] [ 1625] 0 1625 14265 173 23 3 0 0 rsyslogd [ 64.778107] [ 1674] 0 1674 4725 50 14 3 0 0 cron [ 64.786801] [ 1686] 0 1686 3736 45 11 3 0 0 mcstransd [ 64.810088] [ 1701] 0 1701 12927 1231 26 3 0 0 restorecond [ 64.819402] [ 1726] 0 1726 12490 153 28 3 0 -1000 sshd [ 64.840062] [ 1756] 0 1756 3649 40 13 3 0 0 getty [ 64.848840] [ 1787] 0 1787 17821 198 39 3 0 0 sshd [ 64.880070] [ 1789] 0 1789 4406 1 4 2 0 0 syz-executor313 [ 64.899897] [ 1790] 0 1790 4406 14 4 2 0 0 syz-executor313 [ 64.909597] [ 1791] 0 1791 4406 14 4 2 0 0 syz-executor313 [ 64.919257] [ 1792] 0 1792 4406 14 4 2 0 0 syz-executor313 [ 64.928930] [ 1793] 0 1793 4406 14 4 2 0 0 syz-executor313 [ 64.939179] [ 1794] 0 1794 4406 14 4 2 0 0 syz-executor313 [ 64.948856] [ 1795] 0 1795 4406 14 4 2 0 0 syz-executor313 [ 64.958884] [ 1796] 0 1796 4405 20 4 2 0 0 syz-executor313 [ 64.968599] [ 1797] 0 1797 4405 20 4 2 0 0 syz-executor313 [ 64.978298] [ 1798] 0 1798 4405 20 4 2 0 0 syz-executor313 [ 64.988004] [ 1801] 0 1801 4406 18 4 2 0 0 syz-executor313 [ 64.997731] [ 1934] 0 1933 4472 0 13 3 0 1000 syz-executor313 [ 65.007428] [ 1954] 0 1951 4471 24 6 3 0 1000 syz-executor313 [ 65.017140] [ 1953] 0 1952 4471 24 6 3 0 1000 syz-executor313 [ 65.033410] [ 1957] 0 1957 3649 41 11 3 0 0 getty [ 65.051021] [ 1958] 0 1958 3649 41 13 3 0 0 getty [ 65.069741] [ 1959] 0 1959 3649 42 12 3 0 0 getty [ 65.088509] [ 1960] 0 1960 3649 43 13 3 0 0 getty [ 65.106260] [ 1961] 0 1961 3649 41 13 3 0 0 getty [ 65.124021] [ 1962] 0 1962 3649 43 13 3 0 0 getty [ 65.136023] [ 1964] 0 1963 4471 0 6 3 0 1000 syz-executor313 [ 65.149720] Out of memory: Kill process 1951 (syz-executor313) score 999 or sacrifice child [ 65.158960] Killed process 1954 (syz-executor313) total-vm:17884kB, anon-rss:96kB, file-rss:0kB, shmem-rss:0kB [ 65.201301] oom_reaper: reaped process 1954 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 65.349742] syz-executor313 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 65.370270] CPU: 1 PID: 1797 Comm: syz-executor313 Not tainted 4.14.78+ #24 [ 65.377385] Call Trace: [ 65.379968] dump_stack+0xb9/0x11b [ 65.383515] dump_header+0x17d/0x7a8 [ 65.387232] ? trace_hardirqs_on_caller+0x381/0x520 [ 65.392244] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 65.397344] ? ___ratelimit+0x4f/0x3f0 [ 65.401241] oom_kill_process.cold.8+0x10/0xc88 [ 65.405913] ? lock_downgrade+0x560/0x560 [ 65.410059] ? check_preemption_disabled+0x34/0x160 [ 65.415076] out_of_memory+0x669/0xa60 [ 65.418962] ? oom_killer_disable+0x1f0/0x1f0 [ 65.423472] __alloc_pages_nodemask+0x1949/0x2300 [ 65.428329] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 65.433173] ? find_get_entry+0x118/0x550 [ 65.437318] ? check_preemption_disabled+0x34/0x160 [ 65.442332] ? check_preemption_disabled+0x34/0x160 [ 65.447351] ? find_get_entry+0x13f/0x550 [ 65.451505] ? pagecache_get_page+0x129/0x770 [ 65.456002] filemap_fault+0xcdd/0x14a0 [ 65.459993] ext4_filemap_fault+0x7d/0xb0 [ 65.464141] __do_fault+0x80/0x210 [ 65.467711] __handle_mm_fault+0xe04/0x23a0 [ 65.472031] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 65.477131] ? vm_insert_page+0x6d0/0x6d0 [ 65.481273] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 65.486371] ? free_object+0xe4/0x240 [ 65.490182] ? check_preemption_disabled+0x34/0x160 [ 65.495211] handle_mm_fault+0x2f2/0x6eb [ 65.499270] __do_page_fault+0x45d/0xb60 [ 65.503329] ? retint_user+0x18/0x18 [ 65.507036] ? bad_area_access_error+0x330/0x330 [ 65.511785] ? page_fault+0x2c/0x50 [ 65.515432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.520278] ? page_fault+0x2c/0x50 [ 65.523897] page_fault+0x42/0x50 [ 65.527338] RIP: f7a1: (null) [ 65.531214] RSP: 001b:000000000000001b EFLAGS: 00000003 [ 65.551055] Mem-Info: [ 65.571665] active_anon:3301 inactive_anon:42 isolated_anon:0 [ 65.571665] active_file:33 inactive_file:342 isolated_file:0 [ 65.571665] unevictable:0 dirty:0 writeback:0 unstable:0 [ 65.571665] slab_reclaimable:4669 slab_unreclaimable:56368 [ 65.571665] mapped:260 shmem:48 pagetables:369 bounce:0 [ 65.571665] free:29668 free_pcp:260 free_cma:0 [ 65.670999] Node 0 active_anon:13204kB inactive_anon:168kB active_file:152kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:140kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 65.740081] DMA32 free:35588kB min:4792kB low:7868kB high:10944kB active_anon:64kB inactive_anon:0kB active_file:144kB inactive_file:1204kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:32kB pagetables:24kB bounce:0kB free_pcp:748kB local_pcp:4kB free_cma:0kB [ 65.793861] lowmem_reserve[]: 0 3437 3437 [ 65.798089] Normal free:4980kB min:5480kB low:9000kB high:12520kB active_anon:13140kB inactive_anon:168kB active_file:560kB inactive_file:324kB unevictable:0kB writepending:0kB present:4718592kB managed:3521720kB mlocked:0kB kernel_stack:2656kB pagetables:1452kB bounce:0kB free_pcp:740kB local_pcp:120kB free_cma:0kB [ 65.828212] lowmem_reserve[]: 0 0 0 [ 65.832625] DMA32: 23*4kB (UME) 30*8kB (UME) 28*16kB (UM) 28*32kB (UME) 31*64kB (UME) 2*128kB (ME) 3*256kB (UM) 3*512kB (UME) 2*1024kB (UE) 3*2048kB (UME) 1*4096kB (M) = 18508kB [ 65.849017] Normal: 113*4kB (UMH) 109*8kB (UMH) 29*16kB (UMH) 24*32kB (UH) 11*64kB (UMH) 4*128kB (MH) 1*256kB (H) 2*512kB (H) 2*1024kB (H) 0*2048kB 0*4096kB = 7100kB [ 65.868771] 95 total pagecache pages [ 65.873018] 0 pages in swap cache [ 65.876481] Swap cache stats: add 0, delete 0, find 0/0 [ 65.900697] Free swap = 0kB [ 65.910489] Total swap = 0kB [ 65.913517] 1965979 pages RAM [ 65.916608] 0 pages HighMem/MovableOnly [ 65.944898] 315631 pages reserved [ 65.948391] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 65.981568] [ 191] 0 191 5384 184 16 3 0 -1000 udevd [ 66.002165] [ 290] 0 290 5383 162 14 3 0 -1000 udevd [ 66.021933] [ 291] 0 291 5382 162 14 3 0 -1000 udevd [ 66.041612] [ 1494] 0 1494 2493 574 9 3 0 0 dhclient [ 66.070794] [ 1625] 0 1625 14265 173 23 3 0 0 rsyslogd [ 66.084816] [ 1674] 0 1674 4725 50 14 3 0 0 cron [ 66.130152] [ 1686] 0 1686 3736 45 11 3 0 0 mcstransd [ 66.170069] [ 1701] 0 1701 12927 1231 26 3 0 0 restorecond [ 66.179389] [ 1726] 0 1726 12490 153 28 3 0 -1000 sshd [ 66.210057] [ 1756] 0 1756 3649 40 13 3 0 0 getty [ 66.218851] [ 1787] 0 1787 17821 198 39 3 0 0 sshd [ 66.229470] [ 1789] 0 1789 4406 1 4 2 0 0 syz-executor313 [ 66.239774] [ 1790] 0 1790 4406 14 4 2 0 0 syz-executor313 [ 66.249969] [ 1791] 0 1791 4406 14 4 2 0 0 syz-executor313 [ 66.263667] [ 1792] 0 1792 4406 14 4 2 0 0 syz-executor313 [ 66.273576] [ 1793] 0 1793 4406 14 4 2 0 0 syz-executor313 [ 66.283495] [ 1794] 0 1794 4406 14 4 2 0 0 syz-executor313 [ 66.296008] [ 1795] 0 1795 4406 14 4 2 0 0 syz-executor313 [ 66.305827] [ 1796] 0 1796 4405 20 4 2 0 0 syz-executor313 [ 66.317045] [ 1797] 0 1797 4405 20 4 2 0 0 syz-executor313 [ 66.326755] [ 1798] 0 1798 4405 20 4 2 0 0 syz-executor313 [ 66.368283] [ 1801] 0 1801 4406 18 4 2 0 0 syz-executor313 [ 66.395088] [ 1934] 0 1933 4472 0 13 3 0 1000 syz-executor313 [ 66.408823] [ 1954] 0 1951 4471 0 6 3 0 1000 syz-executor313 [ 66.420155] [ 1953] 0 1952 4471 24 6 3 0 1000 syz-executor313 [ 66.430532] [ 1957] 0 1957 3649 41 11 3 0 0 getty [ 66.439912] [ 1958] 0 1958 3649 41 13 3 0 0 getty [ 66.450962] [ 1959] 0 1959 3649 42 12 3 0 0 getty [ 66.459847] [ 1960] 0 1960 3649 43 13 3 0 0 getty [ 66.468868] [ 1961] 0 1961 3649 41 13 3 0 0 getty [ 66.478151] [ 1962] 0 1962 3649 43 13 3 0 0 getty [ 66.488781] [ 1964] 0 1963 4471 0 6 3 0 1000 syz-executor313 [ 66.498645] Out of memory: Kill process 1952 (syz-executor313) score 999 or sacrifice child [ 66.508513] Killed process 1953 (syz-executor313) total-vm:17884kB, anon-rss:96kB, file-rss:0kB, shmem-rss:0kB [ 66.541303] oom_reaper: reaped process 1953 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 66.554155] syz-executor313 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 66.568885] CPU: 0 PID: 1797 Comm: syz-executor313 Not tainted 4.14.78+ #24 [ 66.575999] Call Trace: [ 66.578586] dump_stack+0xb9/0x11b [ 66.582150] dump_header+0x17d/0x7a8 [ 66.585859] ? trace_hardirqs_on_caller+0x381/0x520 [ 66.590872] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 66.595973] ? ___ratelimit+0x4f/0x3f0 [ 66.599861] oom_kill_process.cold.8+0x10/0xc88 [ 66.604529] ? lock_downgrade+0x560/0x560 [ 66.608674] ? check_preemption_disabled+0x34/0x160 [ 66.613711] out_of_memory+0x669/0xa60 [ 66.617599] ? oom_killer_disable+0x1f0/0x1f0 [ 66.622103] __alloc_pages_nodemask+0x1949/0x2300 [ 66.626966] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 66.631806] ? find_get_entry+0x118/0x550 [ 66.635961] ? __radix_tree_lookup+0x220/0x220 [ 66.640542] ? check_preemption_disabled+0x34/0x160 [ 66.645559] ? find_get_entry+0x13f/0x550 [ 66.649715] ? pagecache_get_page+0x129/0x770 [ 66.654212] filemap_fault+0xcdd/0x14a0 [ 66.658197] ext4_filemap_fault+0x7d/0xb0 [ 66.662338] __do_fault+0x80/0x210 [ 66.665877] __handle_mm_fault+0xe04/0x23a0 [ 66.670193] ? __might_fault+0x104/0x1b0 [ 66.674253] ? vm_insert_page+0x6d0/0x6d0 [ 66.678399] ? __might_fault+0xd4/0x1b0 [ 66.682387] ? check_preemption_disabled+0x34/0x160 [ 66.687404] handle_mm_fault+0x2f2/0x6eb [ 66.691465] __do_page_fault+0x45d/0xb60 [ 66.695526] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 66.700887] ? bad_area_access_error+0x330/0x330 [ 66.705635] ? page_fault+0x2c/0x50 [ 66.709256] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.714099] ? page_fault+0x2c/0x50 [ 66.717720] page_fault+0x42/0x50 [ 66.721165] RIP: f7a1: (null) [ 66.725041] RSP: 001b:000000000000001b EFLAGS: 00000003 [ 66.969674] Mem-Info: [ 66.985559] active_anon:3286 inactive_anon:42 isolated_anon:0 [ 66.985559] active_file:10 inactive_file:324 isolated_file:0 [ 66.985559] unevictable:0 dirty:0 writeback:0 unstable:0 [ 66.985559] slab_reclaimable:4681 slab_unreclaimable:56423 [ 66.985559] mapped:252 shmem:48 pagetables:369 bounce:0 [ 66.985559] free:45323 free_pcp:378 free_cma:0 [ 67.053694] Node 0 active_anon:13144kB inactive_anon:168kB active_file:72kB inactive_file:1360kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1080kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 67.100929] DMA32 free:30920kB min:4792kB low:7868kB high:10944kB active_anon:52kB inactive_anon:0kB active_file:176kB inactive_file:220kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:32kB pagetables:24kB bounce:0kB free_pcp:740kB local_pcp:688kB free_cma:0kB [ 67.162842] lowmem_reserve[]: 0 3437 3437 [ 67.171566] Normal free:2684kB min:5480kB low:9000kB high:12520kB active_anon:13044kB inactive_anon:168kB active_file:160kB inactive_file:736kB unevictable:0kB writepending:28kB present:4718592kB managed:3521720kB mlocked:0kB kernel_stack:2656kB pagetables:1452kB bounce:0kB free_pcp:1024kB local_pcp:724kB free_cma:0kB [ 67.229799] lowmem_reserve[]: 0 0 0 [ 67.238087] DMA32: 6*4kB (ME) 10*8kB (ME) 8*16kB (M) 6*32kB (ME) 6*64kB (ME) 1*128kB (E) 1*256kB (M) 3*512kB (ME) 3*1024kB (UE) 3*2048kB (UME) 1*4096kB (M) = 16040kB [ 67.253581] Normal: 39*4kB (UM) 22*8kB (UM) 17*16kB (UME) 11*32kB (UME) 4*64kB (UME) 2*128kB (UM) 2*256kB (UM) 4*512kB (UE) 0*1024kB 0*2048kB 0*4096kB = 4028kB [ 67.278179] 109 total pagecache pages [ 67.284714] 0 pages in swap cache [ 67.288169] Swap cache stats: add 0, delete 0, find 0/0 [ 67.295030] Free swap = 0kB [ 67.298052] Total swap = 0kB [ 67.303119] 1965979 pages RAM [ 67.306228] 0 pages HighMem/MovableOnly [ 67.311615] 315631 pages reserved [ 67.315067] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 67.325765] [ 191] 0 191 5384 184 16 3 0 -1000 udevd [ 67.342008] [ 290] 0 290 5383 162 14 3 0 -1000 udevd [ 67.361990] [ 291] 0 291 5382 162 14 3 0 -1000 udevd [ 67.382557] [ 1494] 0 1494 2493 574 9 3 0 0 dhclient [ 67.411891] [ 1625] 0 1625 14265 173 23 3 0 0 rsyslogd [ 67.431891] [ 1674] 0 1674 4725 50 14 3 0 0 cron [ 67.451892] [ 1686] 0 1686 3736 45 11 3 0 0 mcstransd [ 67.482539] [ 1701] 0 1701 12927 1231 26 3 0 0 restorecond [ 67.502529] [ 1726] 0 1726 12490 153 28 3 0 -1000 sshd [ 67.522017] [ 1756] 0 1756 3649 40 13 3 0 0 getty [ 67.542020] [ 1787] 0 1787 17821 198 39 3 0 0 sshd [ 67.562011] [ 1789] 0 1789 4406 1 4 2 0 0 syz-executor313 [ 67.591354] [ 1790] 0 1790 4406 14 4 2 0 0 syz-executor313 [ 67.611351] [ 1791] 0 1791 4406 14 4 2 0 0 syz-executor313 [ 67.631365] [ 1792] 0 1792 4406 14 4 2 0 0 syz-executor313 [ 67.662952] [ 1793] 0 1793 4406 14 4 2 0 0 syz-executor313 [ 67.679480] [ 1794] 0 1794 4406 14 4 2 0 0 syz-executor313 [ 67.702795] [ 1795] 0 1795 4406 14 4 2 0 0 syz-executor313 [ 67.723800] [ 1796] 0 1796 4405 20 4 2 0 0 syz-executor313 [ 67.743540] [ 1797] 0 1797 4405 20 4 2 0 0 syz-executor313 [ 67.763186] [ 1798] 0 1798 4405 20 4 2 0 0 syz-executor313 [ 67.784077] [ 1801] 0 1801 4406 18 4 2 0 0 syz-executor313 [ 67.804888] [ 1954] 0 1951 4471 0 6 3 0 1000 syz-executor313 [ 67.824709] [ 1953] 0 1952 4471 0 6 3 0 1000 syz-executor313 [ 67.844389] [ 1957] 0 1957 3649 41 11 3 0 0 getty [ 67.863188] [ 1958] 0 1958 3649 41 13 3 0 0 getty [ 67.880869] [ 1959] 0 1959 3649 42 12 3 0 0 getty [ 67.900359] [ 1960] 0 1960 3649 43 13 3 0 0 getty [ 67.919136] [ 1961] 0 1961 3649 41 13 3 0 0 getty [ 67.938068] [ 1962] 0 1962 3649 43 13 3 0 0 getty [ 67.955862] [ 1964] 0 1963 4471 0 6 3 0 1000 syz-executor313 [ 67.976647] Out of memory: Kill process 1701 (restorecond) score 0 or sacrifice child [ 67.992703] Killed process 1701 (restorecond) total-vm:51708kB, anon-rss:4924kB, file-rss:0kB, shmem-rss:0kB [ 68.033881] oom_reaper: reaped process 1701 (restorecond), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program executing program executing program executing program [ 71.032811] syz-executor313 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 71.045906] CPU: 1 PID: 1797 Comm: syz-executor313 Not tainted 4.14.78+ #24 [ 71.053010] Call Trace: [ 71.055578] dump_stack+0xb9/0x11b [ 71.059100] dump_header+0x17d/0x7a8 [ 71.062794] ? trace_hardirqs_on_caller+0x381/0x520 [ 71.067792] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 71.072874] ? ___ratelimit+0x4f/0x3f0 [ 71.076744] oom_kill_process.cold.8+0x10/0xc88 [ 71.081396] ? lock_downgrade+0x560/0x560 [ 71.085527] ? check_preemption_disabled+0x34/0x160 [ 71.090530] out_of_memory+0x669/0xa60 [ 71.094421] ? oom_killer_disable+0x1f0/0x1f0 [ 71.098908] __alloc_pages_nodemask+0x1949/0x2300 [ 71.103755] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 71.108577] ? find_get_entry+0x118/0x550 [ 71.112710] ? check_preemption_disabled+0x34/0x160 [ 71.117712] ? check_preemption_disabled+0x34/0x160 [ 71.122713] ? find_get_entry+0x13f/0x550 [ 71.126848] ? pagecache_get_page+0x129/0x770 [ 71.131325] filemap_fault+0xcdd/0x14a0 [ 71.135287] ext4_filemap_fault+0x7d/0xb0 [ 71.139427] __do_fault+0x80/0x210 [ 71.142957] __handle_mm_fault+0xe04/0x23a0 [ 71.147267] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 71.152368] ? vm_insert_page+0x6d0/0x6d0 [ 71.156500] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 71.161585] ? free_object+0xe4/0x240 [ 71.165370] ? check_preemption_disabled+0x34/0x160 [ 71.170370] handle_mm_fault+0x2f2/0x6eb [ 71.174442] __do_page_fault+0x45d/0xb60 [ 71.178531] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 71.183874] ? bad_area_access_error+0x330/0x330 [ 71.188632] ? page_fault+0x2c/0x50 [ 71.192238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.197060] ? page_fault+0x2c/0x50 [ 71.200666] page_fault+0x42/0x50 [ 71.204103] RIP: 111da: (null) [ 71.208065] RSP: 001e:000000000000001e EFLAGS: 00000004 [ 71.209018] Mem-Info: [ 71.220074] active_anon:2104 inactive_anon:42 isolated_anon:0 [ 71.220074] active_file:35 inactive_file:0 isolated_file:0 [ 71.220074] unevictable:0 dirty:5 writeback:0 unstable:0 [ 71.220074] slab_reclaimable:4722 slab_unreclaimable:56298 [ 71.220074] mapped:2 shmem:48 pagetables:336 bounce:0 [ 71.220074] free:5770 free_pcp:59 free_cma:0 [ 71.270081] Node 0 active_anon:8416kB inactive_anon:168kB active_file:128kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:4kB writeback:12kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 71.297571] DMA32 free:17792kB min:4792kB low:7868kB high:10944kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:32kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:32kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 71.346153] lowmem_reserve[]: 0 3437 3437 [ 71.350416] Normal free:5288kB min:5480kB low:9000kB high:12520kB active_anon:8316kB inactive_anon:168kB active_file:92kB inactive_file:88kB unevictable:0kB writepending:16kB present:4718592kB managed:3521720kB mlocked:0kB kernel_stack:2624kB pagetables:1320kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 71.415227] lowmem_reserve[]: 0 0 0 [ 71.418888] DMA32: 4*4kB (UME) 12*8kB (UME) 7*16kB (UM) 7*32kB (UME) 7*64kB (UME) 2*128kB (UE) 1*256kB (M) 4*512kB (UME) 2*1024kB (UE) 2*2048kB (ME) 2*4096kB (UM) = 17792kB [ 71.455028] Normal: 11*4kB (UME) 14*8kB (UME) 10*16kB (UME) 11*32kB (UME) 11*64kB (M) 7*128kB (ME) 3*256kB (UME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 0*4096kB = 5596kB [ 71.506297] 90 total pagecache pages [ 71.515377] 0 pages in swap cache [ 71.518845] Swap cache stats: add 0, delete 0, find 0/0 [ 71.528607] Free swap = 0kB [ 71.570084] Total swap = 0kB [ 71.573139] 1965979 pages RAM [ 71.576236] 0 pages HighMem/MovableOnly [ 71.583234] 315631 pages reserved [ 71.586712] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 71.595415] [ 191] 0 191 5384 184 16 3 0 -1000 udevd [ 71.630393] [ 290] 0 290 5383 162 14 3 0 -1000 udevd [ 71.639168] [ 291] 0 291 5382 162 14 3 0 -1000 udevd [ 71.653332] [ 1494] 0 1494 2493 574 9 3 0 0 dhclient [ 71.662412] [ 1625] 0 1625 14265 173 23 3 0 0 rsyslogd [ 71.695061] [ 1674] 0 1674 4725 50 14 3 0 0 cron [ 71.703983] [ 1686] 0 1686 3736 45 11 3 0 0 mcstransd [ 71.713096] [ 1726] 0 1726 12490 153 28 3 0 -1000 sshd [ 71.721766] [ 1756] 0 1756 3649 40 13 3 0 0 getty [ 71.730528] [ 1787] 0 1787 17821 198 39 3 0 0 sshd [ 71.739173] [ 1789] 0 1789 4406 1 4 2 0 0 syz-executor313 [ 71.748790] [ 1790] 0 1790 4406 14 4 2 0 0 syz-executor313 [ 71.758415] [ 1791] 0 1791 4406 14 4 2 0 0 syz-executor313 [ 71.768035] [ 1792] 0 1792 4406 14 4 2 0 0 syz-executor313 [ 71.777660] [ 1793] 0 1793 4406 14 4 2 0 0 syz-executor313 [ 71.787421] [ 1794] 0 1794 4406 14 4 2 0 0 syz-executor313 [ 71.797045] [ 1795] 0 1795 4406 14 4 2 0 0 syz-executor313 [ 71.806665] [ 1796] 0 1796 4405 20 4 2 0 0 syz-executor313 [ 71.816791] [ 1797] 0 1797 4405 20 4 2 0 0 syz-executor313 [ 71.826880] [ 1798] 0 1798 4405 20 4 2 0 0 syz-executor313 [ 71.836542] [ 1801] 0 1801 4405 20 4 2 0 0 syz-executor313 [ 71.846175] [ 1957] 0 1957 3649 41 11 3 0 0 getty [ 71.854952] [ 1958] 0 1958 3649 41 13 3 0 0 getty [ 71.863735] [ 1959] 0 1959 3649 42 12 3 0 0 getty [ 71.872491] [ 1960] 0 1960 3649 43 13 3 0 0 getty [ 71.881241] [ 1961] 0 1961 3649 41 13 3 0 0 getty [ 71.889974] [ 1962] 0 1962 3649 43 13 3 0 0 getty [ 71.898732] [ 1967] 0 1966 4471 24 6 3 0 1000 syz-executor313 [ 71.908355] [ 1970] 0 1969 4471 24 6 3 0 1000 syz-executor313 [ 71.918010] [ 1973] 0 1972 4471 24 6 3 0 1000 syz-executor313 [ 71.927633] [ 1976] 0 1975 4471 24 6 3 0 1000 syz-executor313 [ 71.937712] Out of memory: Kill process 1966 (syz-executor313) score 999 or sacrifice child [ 71.946675] Killed process 1967 (syz-executor313) total-vm:17884kB, anon-rss:96kB, file-rss:0kB, shmem-rss:0kB [ 71.970271] oom_reaper: reaped process 1967 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 72.012157] syz-executor313 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 72.025228] CPU: 1 PID: 1797 Comm: syz-executor313 Not tainted 4.14.78+ #24 [ 72.032316] Call Trace: [ 72.034889] dump_stack+0xb9/0x11b [ 72.038419] dump_header+0x17d/0x7a8 [ 72.042112] ? trace_hardirqs_on_caller+0x381/0x520 [ 72.047107] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 72.052192] ? ___ratelimit+0x4f/0x3f0 [ 72.056078] oom_kill_process.cold.8+0x10/0xc88 [ 72.060731] ? lock_downgrade+0x560/0x560 [ 72.064881] ? check_preemption_disabled+0x34/0x160 [ 72.069883] out_of_memory+0x669/0xa60 [ 72.073754] ? oom_killer_disable+0x1f0/0x1f0 [ 72.078234] __alloc_pages_nodemask+0x1949/0x2300 [ 72.083067] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 72.087890] ? find_get_entry+0x118/0x550 [ 72.092032] ? __radix_tree_lookup+0x220/0x220 [ 72.096599] ? check_preemption_disabled+0x34/0x160 [ 72.101597] ? find_get_entry+0x13f/0x550 [ 72.105740] ? pagecache_get_page+0x129/0x770 [ 72.110243] filemap_fault+0xcdd/0x14a0 [ 72.114210] ext4_filemap_fault+0x7d/0xb0 [ 72.118352] __do_fault+0x80/0x210 [ 72.121876] __handle_mm_fault+0xe04/0x23a0 [ 72.126179] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 72.131261] ? vm_insert_page+0x6d0/0x6d0 [ 72.135386] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 72.140474] ? free_object+0xe4/0x240 [ 72.144262] ? check_preemption_disabled+0x34/0x160 [ 72.149274] handle_mm_fault+0x2f2/0x6eb [ 72.153318] __do_page_fault+0x45d/0xb60 [ 72.157376] ? retint_user+0x18/0x18 [ 72.161089] ? bad_area_access_error+0x330/0x330 [ 72.165825] ? page_fault+0x2c/0x50 [ 72.169426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.174263] ? page_fault+0x2c/0x50 [ 72.177884] page_fault+0x42/0x50 [ 72.181317] RIP: 111da: (null) [ 72.185272] RSP: 001e:000000000000001e EFLAGS: 00000004 [ 72.189592] Mem-Info: [ 72.197379] active_anon:2089 inactive_anon:42 isolated_anon:0 [ 72.197379] active_file:12 inactive_file:12 isolated_file:0 [ 72.197379] unevictable:0 dirty:0 writeback:0 unstable:0 [ 72.197379] slab_reclaimable:4722 slab_unreclaimable:56304 [ 72.197379] mapped:2 shmem:48 pagetables:336 bounce:0 [ 72.197379] free:4682 free_pcp:0 free_cma:0 [ 72.234474] Node 0 active_anon:8356kB inactive_anon:168kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 72.261231] DMA32 free:16052kB min:4792kB low:7868kB high:10944kB active_anon:100kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:32kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 72.292646] lowmem_reserve[]: 0 3437 3437 [ 72.296861] Normal free:2676kB min:5480kB low:9000kB high:12520kB active_anon:8256kB inactive_anon:168kB active_file:40kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3521720kB mlocked:0kB kernel_stack:2624kB pagetables:1320kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 72.329657] lowmem_reserve[]: 0 0 0 [ 72.333943] DMA32: 3*4kB (ME) 11*8kB (ME) 5*16kB (M) 6*32kB (ME) 7*64kB (UME) 1*128kB (E) 1*256kB (M) 3*512kB (ME) 1*1024kB (E) 2*2048kB (ME) 2*4096kB (UM) = 16052kB [ 72.353610] Normal: 1*4kB (E) 2*8kB (UE) 2*16kB (UE) 2*32kB (UE) 0*64kB 4*128kB (UE) 2*256kB (UE) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 2676kB [ 72.368556] 72 total pagecache pages [ 72.376173] 0 pages in swap cache [ 72.379629] Swap cache stats: add 0, delete 0, find 0/0 [ 72.386816] Free swap = 0kB [ 72.389847] Total swap = 0kB [ 72.396758] 1965979 pages RAM [ 72.399864] 0 pages HighMem/MovableOnly [ 72.405650] 315631 pages reserved [ 72.409113] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 72.422955] [ 191] 0 191 5384 184 16 3 0 -1000 udevd [ 72.433816] [ 290] 0 290 5383 162 14 3 0 -1000 udevd [ 72.444652] [ 291] 0 291 5382 162 14 3 0 -1000 udevd [ 72.456107] [ 1494] 0 1494 2493 574 9 3 0 0 dhclient [ 72.467234] [ 1625] 0 1625 14265 173 23 3 0 0 rsyslogd [ 72.478313] [ 1674] 0 1674 4725 50 14 3 0 0 cron [ 72.489078] [ 1686] 0 1686 3736 45 11 3 0 0 mcstransd [ 72.502284] [ 1726] 0 1726 12490 153 28 3 0 -1000 sshd [ 72.512411] [ 1756] 0 1756 3649 40 13 3 0 0 getty [ 72.523922] [ 1787] 0 1787 17821 198 39 3 0 0 sshd [ 72.534030] [ 1789] 0 1789 4406 1 4 2 0 0 syz-executor313 [ 72.546376] [ 1790] 0 1790 4406 14 4 2 0 0 syz-executor313 [ 72.557433] [ 1791] 0 1791 4406 14 4 2 0 0 syz-executor313 [ 72.569805] [ 1792] 0 1792 4406 14 4 2 0 0 syz-executor313 [ 72.584185] [ 1793] 0 1793 4406 14 4 2 0 0 syz-executor313 [ 72.593873] [ 1794] 0 1794 4406 14 4 2 0 0 syz-executor313 [ 72.607580] [ 1795] 0 1795 4406 14 4 2 0 0 syz-executor313 [ 72.617269] [ 1796] 0 1796 4405 20 4 2 0 0 syz-executor313 [ 72.631059] [ 1797] 0 1797 4405 20 4 2 0 0 syz-executor313 [ 72.643410] [ 1798] 0 1798 4405 20 4 2 0 0 syz-executor313 [ 72.654428] [ 1801] 0 1801 4405 20 4 2 0 0 syz-executor313 [ 72.666795] [ 1957] 0 1957 3649 41 11 3 0 0 getty [ 72.676946] [ 1958] 0 1958 3649 41 13 3 0 0 getty [ 72.688407] [ 1959] 0 1959 3649 42 12 3 0 0 getty [ 72.698558] [ 1960] 0 1960 3649 43 13 3 0 0 getty [ 72.712014] [ 1961] 0 1961 3649 41 13 3 0 0 getty [ 72.723505] [ 1962] 0 1962 3649 43 13 3 0 0 getty [ 72.733643] [ 1967] 0 1966 4471 0 6 3 0 1000 syz-executor313 [ 72.746022] [ 1970] 0 1969 4471 24 6 3 0 1000 syz-executor313 [ 72.777104] [ 1973] 0 1972 4471 24 6 3 0 1000 syz-executor313 [ 72.786950] [ 1976] 0 1975 4471 24 6 3 0 1000 syz-executor313 [ 72.796772] Out of memory: Kill process 1969 (syz-executor313) score 999 or sacrifice child [ 72.805441] Killed process 1970 (syz-executor313) total-vm:17884kB, anon-rss:96kB, file-rss:0kB, shmem-rss:0kB [ 72.831440] oom_reaper: reaped process 1970 (syz-executor313), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 73.164396] syz-executor313 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 73.221993] CPU: 1 PID: 1801 Comm: syz-executor313 Not tainted 4.14.78+ #24 [ 73.229132] Call Trace: [ 73.231723] dump_stack+0xb9/0x11b [ 73.235269] dump_header+0x17d/0x7a8 [ 73.238981] ? trace_hardirqs_on_caller+0x381/0x520 [ 73.243994] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 73.249092] ? ___ratelimit+0x4f/0x3f0 [ 73.252983] oom_kill_process.cold.8+0x10/0xc88 [ 73.257651] ? lock_downgrade+0x560/0x560 [ 73.261813] ? check_preemption_disabled+0x34/0x160 [ 73.266836] out_of_memory+0x669/0xa60 [ 73.270725] ? oom_killer_disable+0x1f0/0x1f0 [ 73.275227] __alloc_pages_nodemask+0x1949/0x2300 [ 73.280084] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 73.284928] ? find_get_entry+0x118/0x550 [ 73.289078] ? check_preemption_disabled+0x34/0x160 [ 73.294094] ? check_preemption_disabled+0x34/0x160 [ 73.299115] ? find_get_entry+0x13f/0x550 [ 73.303269] ? pagecache_get_page+0x129/0x770 [ 73.307764] filemap_fault+0xcdd/0x14a0 [ 73.311758] ext4_filemap_fault+0x7d/0xb0 [ 73.315909] __do_fault+0x80/0x210 [ 73.319453] __handle_mm_fault+0xe04/0x23a0 [ 73.323774] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 73.328881] ? vm_insert_page+0x6d0/0x6d0 [ 73.333026] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 73.338124] ? free_object+0xe4/0x240 [ 73.341940] ? check_preemption_disabled+0x34/0x160 [ 73.346962] handle_mm_fault+0x2f2/0x6eb [ 73.351029] __do_page_fault+0x45d/0xb60 [ 73.355092] ? retint_user+0x18/0x18 [ 73.358801] ? bad_area_access_error+0x330/0x330 [ 73.363553] ? page_fault+0x2c/0x50 [ 73.367174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.372020] ? page_fault+0x2c/0x50 [ 73.375643] page_fault+0x42/0x50 [ 73.379087] RIP: 10a14: (null) [ 73.383051] RSP: 0048:0000000000000015 EFLAGS: 00000001 [ 73.650071] Mem-Info: [ 73.657983] active_anon:1824 inactive_anon:42 isolated_anon:0 [ 73.657983] active_file:145 inactive_file:190 isolated_file:0 [ 73.657983] unevictable:0 dirty:1 writeback:2 unstable:0 [ 73.657983] slab_reclaimable:4730 slab_unreclaimable:56382 [ 73.657983] mapped:322 shmem:48 pagetables:262 bounce:0 [ 73.657983] free:6258 free_pcp:27 free_cma:0 [ 73.712252] Node 0 active_anon:7296kB inactive_anon:168kB active_file:56kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:4kB writeback:8kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 73.777063] DMA32 free:16052kB min:4792kB low:7868kB high:10944kB active_anon:100kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:32kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 73.777066] lowmem_reserve[]: 0 3437 3437 [ 73.777094] Normal free:5020kB min:5480kB low:9000kB high:12520kB active_anon:7196kB inactive_anon:168kB active_file:248kB inactive_file:212kB unevictable:0kB writepending:12kB present:4718592kB managed:3521720kB mlocked:0kB kernel_stack:2560kB pagetables:1024kB bounce:0kB free_pcp:768kB local_pcp:140kB free_cma:0kB [ 73.777096] lowmem_reserve[]: 0 0 0 [ 73.777108] DMA32: 3*4kB (ME) 11*8kB (ME) 5*16kB (M) 6*32kB (ME) 7*64kB (UME) 1*128kB (E) 1*256kB (M) 3*512kB (ME) 1*1024kB (E) 2*2048kB (ME) 2*4096kB (UM) = 16052kB [ 73.777177] Normal: 9*4kB (UE) 5*8kB (UME) 5*16kB (UME) 3*32kB (UE) 13*64kB (U) 33*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5308kB [ 73.777233] 202 total pagecache pages [ 73.777243] 0 pages in swap cache [ 73.777249] Swap cache stats: add 0, delete 0, find 0/0 [ 73.777252] Free swap = 0kB [ 73.777255] Total swap = 0kB [ 73.777258] 1965979 pages RAM [ 73.777261] 0 pages HighMem/MovableOnly [ 73.777264] 315631 pages reserved [ 73.777267] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 73.777291] [ 191] 0 191 5384 184 16 3 0 -1000 udevd [ 73.777304] [ 290] 0 290 5383 162 14 3 0 -1000 udevd [ 73.777317] [ 291] 0 291 5382 162 14 3 0 -1000 udevd [ 73.777330] [ 1494] 0 1494 2493 574 9 3 0 0 dhclient [ 73.777342] [ 1625] 0 1625 14265 174 23 3 0 0 rsyslogd [ 73.777355] [ 1674] 0 1674 4725 50 14 3 0 0 cron [ 73.777367] [ 1686] 0 1686 3736 45 11 3 0 0 mcstransd [ 73.777380] [ 1726] 0 1726 12490 153 28 3 0 -1000 sshd [ 73.777392] [ 1756] 0 1756 3649 40 13 3 0 0 getty [ 73.777405] [ 1787] 0 1787 17821 198 39 3 0 0 sshd Connection to 10.128.10.40 closed by remote host. [