[....] Starting enhanced syslogd: rsyslogd[ 11.761540] audit: type=1400 audit(1549090867.613:4): avc: denied { syslog } for pid=1902 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] 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[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.181' (ECDSA) to the list of known hosts. 2019/02/02 07:01:30 parsed 1 programs 2019/02/02 07:01:33 executed programs: 0 syzkaller login: [ 37.471506] audit: type=1400 audit(1549090893.323:5): avc: denied { sys_admin } for pid=2073 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 [ 37.490725] audit: type=1400 audit(1549090893.323:6): avc: denied { net_admin } for pid=2077 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 [ 37.747762] audit: type=1400 audit(1549090893.603:7): avc: denied { sys_chroot } for pid=2080 comm="syz-executor5" 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 [ 37.773083] audit: type=1400 audit(1549090893.623:8): avc: denied { associate } for pid=2077 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 [ 38.871239] lowmemorykiller: Killing 'syz-executor3' (2250) (tgid 2229), adj 1000, [ 38.871239] to free 1084kB on behalf of 'kswapd0' (33) because [ 38.871239] cache 52580kB is below limit 65536kB for oom_score_adj 12 [ 38.871239] Free memory is -11836kB above reserved [ 38.901948] lowmemorykiller: Killing 'syz-executor3' (2250) (tgid 2229), adj 1000, [ 38.901948] to free 1084kB on behalf of 'syz-executor3' (2250) because [ 38.901948] cache 50180kB is below limit 65536kB for oom_score_adj 12 [ 38.901948] Free memory is -13300kB above reserved [ 39.318762] syz-executor0 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 39.333388] CPU: 1 PID: 2256 Comm: syz-executor0 Not tainted 4.9.141+ #1 [ 39.340219] ffff8801c9c97650 ffffffff81b42e79 ffff8801c9c97a10 ffffffff833e92b0 [ 39.348251] 00000000000003e8 ffff8801c9c97a28 0000000000000000 ffff8801c9c976d0 [ 39.356295] ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 [ 39.364858] Call Trace: [ 39.367441] [] dump_stack+0xc1/0x128 [ 39.372791] [] dump_header.isra.4+0x142/0x747 [ 39.378921] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 39.385839] [] ? ___ratelimit+0x53/0x401 [ 39.391536] [] oom_kill_process.cold.10+0xd/0xa6e [ 39.398021] [] ? has_capability_noaudit+0x24/0x30 [ 39.404511] [] ? check_preemption_disabled+0x3b/0x200 [ 39.411338] [] ? out_of_memory+0x6d4/0xe90 [ 39.417209] [] out_of_memory+0x292/0xe90 [ 39.422920] [] ? out_of_memory+0x410/0xe90 [ 39.428788] [] ? oom_killer_disable+0x200/0x200 [ 39.435107] [] ? trace_hardirqs_on+0xd/0x10 [ 39.441080] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 39.448255] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 39.454906] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 39.462070] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 39.468908] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 39.475474] [] ? retint_kernel+0x2d/0x2d [ 39.481170] [] __vmalloc_node_range+0x25b/0x600 [ 39.487475] [] ? xt_alloc_table_info+0xc9/0x100 [ 39.493773] [] vmalloc+0x5b/0x70 [ 39.498774] [] ? xt_alloc_table_info+0xc9/0x100 [ 39.505078] [] xt_alloc_table_info+0xc9/0x100 [ 39.511212] [] do_ipt_set_ctl+0x235/0x460 [ 39.516994] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 39.523572] [] ? mutex_unlock+0x9/0x10 [ 39.529098] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 39.536303] [] nf_setsockopt+0x6d/0xc0 [ 39.541827] [] ip_setsockopt+0x88/0xa0 [ 39.547352] [] udp_setsockopt+0x4a/0x90 [ 39.552962] [] ipv6_setsockopt+0x10a/0x130 [ 39.559281] [] tcp_setsockopt+0x88/0xe0 [ 39.564890] [] sock_common_setsockopt+0x9a/0xe0 [ 39.571190] [] SyS_setsockopt+0x166/0x260 [ 39.576970] [] ? SyS_recv+0x40/0x40 [ 39.582233] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 39.588448] [] ? SyS_clock_settime+0x220/0x220 [ 39.594663] [] ? do_syscall_64+0x48/0x550 [ 39.600946] [] ? SyS_recv+0x40/0x40 [ 39.606212] [] do_syscall_64+0x19f/0x550 [ 39.611911] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 39.623123] Mem-Info: [ 39.625539] active_anon:5780 inactive_anon:42 isolated_anon:0 [ 39.625539] active_file:31 inactive_file:31 isolated_file:0 [ 39.625539] unevictable:0 dirty:0 writeback:0 unstable:0 [ 39.625539] slab_reclaimable:4552 slab_unreclaimable:56916 [ 39.625539] mapped:20 shmem:48 pagetables:482 bounce:0 [ 39.625539] free:6047 free_pcp:30 free_cma:0 [ 39.666202] Node 0 active_anon:23120kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:21 all_unreclaimable? yes [ 39.698662] DMA32 free:18624kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 39.745000] lowmem_reserve[]: 0 3505 3505 [ 39.753535] Normal free:5564kB min:5580kB low:9168kB high:12756kB active_anon:23120kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18208kB slab_unreclaimable:227664kB kernel_stack:4288kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 39.802339] lowmem_reserve[]: 0 0 0 [ 39.836196] DMA32: 2*4kB (M) 3*8kB (M) 2*16kB (M) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18624kB [ 39.922956] Normal: 393*4kB (UM) 133*8kB (UMH) 95*16kB (UME) 34*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5564kB 110 total pagecache pages [ 40.033574] 0 pages in swap cache [ 40.045574] Swap cache stats: add 0, delete 0, find 0/0 [ 40.045914] lowmemorykiller: Killing 'syz-executor3' (2250) (tgid 2229), adj 1000, [ 40.045914] to free 120kB on behalf of 'syz-executor1' (2086) because [ 40.045914] cache 248kB is below limit 6144kB for oom_score_adj 0 [ 40.045914] Free memory is -13316kB above reserved [ 40.132684] Free swap = 0kB [ 40.148709] Total swap = 0kB [ 40.151717] 1965979 pages RAM [ 40.154805] 0 pages HighMem/MovableOnly [ 40.184885] 313617 pages reserved [ 40.213838] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 40.243827] [ 470] 0 470 5403 199 16 3 0 -1000 udevd [ 40.274218] [ 583] 0 583 5732 532 16 3 0 -1000 udevd [ 40.304221] [ 584] 0 584 5402 192 15 3 0 -1000 udevd [ 40.333599] [ 1771] 0 1771 2492 572 8 3 0 0 dhclient [ 40.363762] [ 1902] 0 1902 14231 108 23 3 0 0 rsyslogd [ 40.394019] [ 1950] 0 1950 4724 51 15 3 0 0 cron [ 40.424922] [ 1975] 0 1975 3735 45 12 3 0 0 mcstransd [ 40.455202] [ 1980] 0 1980 12926 1232 27 3 0 0 restorecond [ 40.494217] [ 2003] 0 2003 12489 152 30 3 0 -1000 sshd [ 40.524113] [ 2033] 0 2033 3648 41 13 3 0 0 getty [ 40.554117] [ 2052] 0 2052 3648 43 13 3 0 0 getty [ 40.584353] [ 2053] 0 2053 3648 42 13 3 0 0 getty [ 40.654990] [ 2054] 0 2054 3648 43 12 3 0 0 getty [ 40.682084] [ 2055] 0 2055 3648 42 13 3 0 0 getty [ 40.735588] [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 40.764074] [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 40.792857] [ 2058] 0 2058 17820 198 38 3 0 0 sshd [ 40.824577] [ 2060] 0 2060 33456 1768 28 5 0 0 syz-execprog [ 40.854266] [ 2073] 0 2073 9376 16 5 2 0 0 syz-executor2 [ 40.883297] [ 2075] 0 2075 9376 16 5 2 0 0 syz-executor3 [ 40.940357] [ 2076] 0 2076 9376 16 5 2 0 0 syz-executor5 [ 40.999999] [ 2077] 0 2077 9376 17 6 3 0 0 syz-executor3 [ 41.055789] lowmemorykiller: Killing 'syz-executor3' (2250) (tgid 2229), adj 1000, [ 41.055789] to free 120kB on behalf of 'syz-executor2' (2254) because [ 41.055789] cache 248kB is below limit 6144kB for oom_score_adj 0 [ 41.055789] Free memory is -13316kB above reserved [ 41.055796] lowmemorykiller: Killing 'syz-executor3' (2250) (tgid 2229), adj 1000, [ 41.055796] to free 120kB on behalf of 'syz-executor4' (2234) because [ 41.055796] cache 248kB is below limit 6144kB for oom_score_adj 0 [ 41.055796] Free memory is -13316kB above reserved [ 41.077942] [ 2079] 0 2079 9376 15 5 2 0 0 syz-executor0 [ 41.077951] [ 2080] 0 2080 9376 17 6 3 0 0 syz-executor5 [ 41.077972] [ 2082] 0 2082 9376 15 6 2 0 0 syz-executor4 [ 41.077981] [ 2083] 0 2083 9376 16 6 3 0 0 syz-executor0 [ 41.077989] [ 2084] 0 2084 9376 15 5 2 0 0 syz-executor1 [ 41.077998] [ 2085] 0 2085 9376 16 7 3 0 0 syz-executor4 [ 41.078006] [ 2086] 0 2086 9376 16 6 3 0 0 syz-executor1 [ 41.078014] [ 2088] 0 2088 9376 17 6 3 0 0 syz-executor2 [ 41.078024] [ 2234] 0 2220 9442 29 10 4 0 1000 syz-executor4 [ 41.078033] [ 2250] 0 2229 9442 30 9 4 0 1000 syz-executor3 [ 41.078042] [ 2236] 0 2236 9442 29 10 4 0 1000 syz-executor4 [ 41.078051] [ 2256] 0 2239 9442 29 9 4 0 1000 syz-executor0 [ 41.078060] [ 2254] 0 2240 9442 30 9 4 0 1000 syz-executor2 [ 41.078069] [ 2243] 0 2243 5378 183 15 3 0 -1000 udevd [ 41.078078] [ 2257] 0 2244 9442 29 9 4 0 1000 syz-executor1 [ 41.078087] [ 2258] 0 2245 9442 30 9 4 0 1000 syz-executor5 [ 41.078095] [ 2247] 0 2247 5378 183 15 3 0 -1000 udevd [ 41.078104] [ 2253] 0 2253 9442 30 9 4 0 1000 syz-executor3 [ 41.078113] [ 2255] 0 2255 9442 30 9 4 0 1000 syz-executor2 [ 41.078122] [ 2259] 0 2259 9442 29 9 4 0 1000 syz-executor0 [ 41.078131] [ 2260] 0 2260 9442 29 9 4 0 1000 syz-executor1 [ 41.078140] [ 2261] 0 2261 9442 30 9 4 0 1000 syz-executor5 [ 41.078163] Out of memory: Kill process 2220 (syz-executor4) score 999 or sacrifice child [ 41.078552] Killed process 2236 (syz-executor4) total-vm:37768kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 41.079292] oom_reaper: reaped process 2236 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 41.083383] syz-executor0 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 41.083391] CPU: 1 PID: 2256 Comm: syz-executor0 Not tainted 4.9.141+ #1 [ 41.083410] ffff8801c9c97650 ffffffff81b42e79 ffff8801c9c97a10 ffffffff833e92b0 [ 41.083420] 00000000000003e8 ffff8801c9c97a28 0000000000000000 ffff8801c9c976d0 [ 41.083429] ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 [ 41.083431] Call Trace: [ 41.083444] [] dump_stack+0xc1/0x128 [ 41.083454] [] dump_header.isra.4+0x142/0x747 [ 41.083462] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 41.083469] [] ? ___ratelimit+0x53/0x401 [ 41.083476] [] oom_kill_process.cold.10+0xd/0xa6e [ 41.083484] [] ? has_capability_noaudit+0x24/0x30 [ 41.083492] [] ? check_preemption_disabled+0x3b/0x200 [ 41.083500] [] ? out_of_memory+0x6d4/0xe90 [ 41.083507] [] out_of_memory+0x292/0xe90 [ 41.083514] [] ? out_of_memory+0x410/0xe90 [ 41.083521] [] ? oom_killer_disable+0x200/0x200 [ 41.083529] [] ? trace_hardirqs_on+0xd/0x10 [ 41.083536] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 41.083544] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 41.083552] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 41.083559] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.083568] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.083575] [] ? retint_kernel+0x2d/0x2d [ 41.083583] [] __vmalloc_node_range+0x25b/0x600 [ 41.083591] [] ? xt_alloc_table_info+0xc9/0x100 [ 41.083598] [] vmalloc+0x5b/0x70 [ 41.083604] [] ? xt_alloc_table_info+0xc9/0x100 [ 41.083611] [] xt_alloc_table_info+0xc9/0x100 [ 41.083619] [] do_ipt_set_ctl+0x235/0x460 [ 41.083626] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 41.083635] [] ? mutex_unlock+0x9/0x10 [ 41.083644] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 41.083651] [] nf_setsockopt+0x6d/0xc0 [ 41.083659] [] ip_setsockopt+0x88/0xa0 [ 41.083667] [] udp_setsockopt+0x4a/0x90 [ 41.083675] [] ipv6_setsockopt+0x10a/0x130 [ 41.083682] [] tcp_setsockopt+0x88/0xe0 [ 41.083690] [] sock_common_setsockopt+0x9a/0xe0 [ 41.083697] [] SyS_setsockopt+0x166/0x260 [ 41.083703] [] ? SyS_recv+0x40/0x40 [ 41.083712] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 41.083719] [] ? SyS_clock_settime+0x220/0x220 [ 41.083725] [] ? do_syscall_64+0x48/0x550 [ 41.083731] [] ? SyS_recv+0x40/0x40 [ 41.083737] [] do_syscall_64+0x19f/0x550 [ 41.083745] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 41.083748] Mem-Info: [ 41.083764] active_anon:5780 inactive_anon:42 isolated_anon:0 [ 41.083764] active_file:31 inactive_file:31 isolated_file:0 [ 41.083764] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.083764] slab_reclaimable:4552 slab_unreclaimable:56916 [ 41.083764] mapped:20 shmem:48 pagetables:482 bounce:0 [ 41.083764] free:6047 free_pcp:47 free_cma:0 [ 41.083777] Node 0 active_anon:23120kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:21 all_unreclaimable? yes [ 41.083794] DMA32 free:18624kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 41.083819] Normal free:5564kB min:5580kB low:9168kB high:12756kB active_anon:23120kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18208kB slab_unreclaimable:227664kB kernel_stack:4256kB pagetables:1928kB bounce:0kB free_pcp:68kB local_pcp:68kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 41.083872] DMA32: 2*4kB (M) 3*8kB (M) 2*16kB (M) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18624kB Normal: 393*4kB (UM) 133*8kB (UMH) 95*16kB (UME) 35*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5596kB 110 total pagecache pages [ 41.083920] 0 pages in swap cache [ 41.083924] Swap cache stats: add 0, delete 0, find 0/0 [ 41.083926] Free swap = 0kB [ 41.083928] Total swap = 0kB [ 41.083930] 1965979 pages RAM [ 41.083932] 0 pages HighMem/MovableOnly [ 41.083934] 313617 pages reserved [ 41.083936] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 41.083948] [ 470] 0 470 5403 199 16 3 0 -1000 udevd [ 41.083959] [ 583] 0 583 5732 532 16 3 0 -1000 udevd [ 41.083969] [ 584] 0 584 5402 192 15 3 0 -1000 udevd [ 41.083978] [ 1771] 0 1771 2492 572 8 3 0 0 dhclient [ 41.083986] [ 1902] 0 1902 14231 108 23 3 0 0 rsyslogd [ 41.083993] [ 1950] 0 1950 4724 51 15 3 0 0 cron [ 41.084000] [ 1975] 0 1975 3735 45 12 3 0 0 mcstransd [ 41.084007] [ 1980] 0 1980 12926 1232 27 3 0 0 restorecond [ 41.084014] [ 2003] 0 2003 12489 152 30 3 0 -1000 sshd [ 41.084021] [ 2033] 0 2033 3648 41 13 3 0 0 getty [ 41.084027] [ 2052] 0 2052 3648 43 13 3 0 0 getty [ 41.084034] [ 2053] 0 2053 3648 42 13 3 0 0 getty [ 41.084053] [ 2054] 0 2054 3648 43 12 3 0 0 getty [ 41.084059] [ 2055] 0 2055 3648 42 13 3 0 0 getty [ 41.084066] [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 41.084072] [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 41.084079] [ 2058] 0 2058 17820 198 38 3 0 0 sshd [ 41.084085] [ 2060] 0 2060 33456 1768 28 5 0 0 syz-execprog [ 41.084092] [ 2073] 0 2073 9376 16 5 2 0 0 syz-executor2 [ 41.084098] [ 2075] 0 2075 9376 16 5 2 0 0 syz-executor3 [ 41.084105] [ 2076] 0 2076 9376 16 5 2 0 0 syz-executor5 [ 41.084111] [ 2077] 0 2077 9376 17 6 3 0 0 syz-executor3 [ 41.084118] [ 2079] 0 2079 9376 15 5 2 0 0 syz-executor0 [ 41.084124] [ 2080] 0 2080 9376 17 6 3 0 0 syz-executor5 [ 41.084131] [ 2082] 0 2082 9376 15 6 2 0 0 syz-executor4 [ 41.084137] [ 2083] 0 2083 9376 16 6 3 0 0 syz-executor0 [ 41.084144] [ 2084] 0 2084 9376 15 5 2 0 0 syz-executor1 [ 41.084150] [ 2085] 0 2085 9376 16 7 3 0 0 syz-executor4 [ 41.084156] [ 2086] 0 2086 9376 16 6 3 0 0 syz-executor1 [ 41.084163] [ 2088] 0 2088 9376 17 6 3 0 0 syz-executor2 [ 41.084170] [ 2234] 0 2220 9442 0 10 4 0 1000 syz-executor4 [ 41.084177] [ 2250] 0 2229 9442 30 9 4 0 1000 syz-executor3 [ 41.084187] [ 2256] 0 2239 9442 29 9 4 0 1000 syz-executor0 [ 41.084196] [ 2254] 0 2240 9442 30 9 4 0 1000 syz-executor2 [ 41.084205] [ 2243] 0 2243 5378 183 15 3 0 -1000 udevd [ 41.084214] [ 2257] 0 2244 9442 29 9 4 0 1000 syz-executor1 [ 41.084236] [ 2258] 0 2245 9442 30 9 4 0 1000 syz-executor5 [ 41.084245] [ 2247] 0 2247 5378 183 15 3 0 -1000 udevd [ 41.084253] [ 2253] 0 2253 9442 30 9 4 0 1000 syz-executor3 [ 41.084261] [ 2255] 0 2255 9442 30 9 4 0 1000 syz-executor2 [ 41.084269] [ 2259] 0 2259 9442 29 9 4 0 1000 syz-executor0 [ 41.084278] [ 2260] 0 2260 9442 29 9 4 0 1000 syz-executor1 [ 41.084286] [ 2261] 0 2261 9442 30 9 4 0 1000 syz-executor5 [ 41.084291] Out of memory: Kill process 2229 (syz-executor3) score 999 or sacrifice child [ 41.084313] Killed process 2253 (syz-executor3) total-vm:37768kB, anon-rss:120kB, file-rss:0kB, shmem-rss:0kB [ 41.084560] oom_reaper: reaped process 2253 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 41.089933] syz-executor4 invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 41.089941] CPU: 0 PID: 2085 Comm: syz-executor4 Not tainted 4.9.141+ #1 [ 41.089953] ffff8801d76c76f8 ffffffff81b42e79 ffff8801d76c7ab8 ffffffff833e92b0 [ 41.089963] 0000000000000000 ffff8801d76c7ad0 0000000000000000 ffff8801d76c7778 [ 41.089972] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 41.089974] Call Trace: [ 41.089997] [] dump_stack+0xc1/0x128 [ 41.090005] [] dump_header.isra.4+0x142/0x747 [ 41.090012] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 41.090019] [] ? ___ratelimit+0x53/0x401 [ 41.090026] [] oom_kill_process.cold.10+0xd/0xa6e [ 41.090033] [] ? rcu_read_unlock_special+0x6d0/0xb20 [ 41.090041] [] ? has_capability_noaudit+0x24/0x30 [ 41.090048] [] ? out_of_memory+0x6d4/0xe90 [ 41.090054] [] out_of_memory+0x292/0xe90 [ 41.090060] [] ? out_of_memory+0x410/0xe90 [ 41.090067] [] ? oom_killer_disable+0x200/0x200 [ 41.090074] [] ? trace_hardirqs_on+0xd/0x10 [ 41.090081] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 41.090088] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 41.090094] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.090102] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 41.090109] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 41.090115] [] ? find_get_entry+0x11a/0x570 [ 41.090122] [] ? find_get_entry+0x141/0x570 [ 41.090128] [] ? page_cache_prev_hole+0x80/0x80 [ 41.090135] [] ? autoremove_wake_function+0x40/0x40 [ 41.090142] [] ? pagecache_get_page+0x131/0x710 [ 41.090148] [] filemap_fault+0xaf1/0x1110 [ 41.090156] [] ext4_filemap_fault+0x71/0xa0 [ 41.090162] [] __do_fault+0x223/0x500 [ 41.090168] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 41.090193] [] ? generic_file_readonly_mmap+0x190/0x190 [ 41.090200] [] handle_mm_fault+0x1326/0x2350 [ 41.090207] [] ? vm_insert_page+0x6f0/0x6f0 [ 41.090214] [] ? hrtimer_nanosleep+0x38c/0x550 [ 41.090221] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.090229] [] __do_page_fault+0x403/0xa60 [ 41.090236] [] ? bad_area_access_error+0x3a0/0x3a0 [ 41.090245] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.090251] [] do_page_fault+0x27/0x30 [ 41.090258] [] page_fault+0x25/0x30 [ 41.090261] Mem-Info: [ 41.090276] active_anon:5755 inactive_anon:42 isolated_anon:0 [ 41.090276] active_file:31 inactive_file:31 isolated_file:0 [ 41.090276] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.090276] slab_reclaimable:4552 slab_unreclaimable:56916 [ 41.090276] mapped:20 shmem:48 pagetables:482 bounce:0 [ 41.090276] free:6047 free_pcp:64 free_cma:0 [ 41.090289] Node 0 active_anon:23020kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 41.090306] DMA32 free:18624kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 41.090331] Normal free:5564kB min:5580kB low:9168kB high:12756kB active_anon:23020kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18208kB slab_unreclaimable:227664kB kernel_stack:4224kB pagetables:1928kB bounce:0kB free_pcp:136kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 41.090409] DMA32: 2*4kB (M) 3*8kB (M) 2*16kB (M) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18624kB Normal: 393*4kB (UM) 133*8kB (UMH) 95*16kB (UME) 36*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5628kB 110 total pagecache pages [ 41.090448] 0 pages in swap cache [ 41.090451] Swap cache stats: add 0, delete 0, find 0/0 [ 41.090453] Free swap = 0kB [ 41.090455] Total swap = 0kB [ 41.090457] 1965979 pages RAM [ 41.090459] 0 pages HighMem/MovableOnly [ 41.090461] 313617 pages reserved [ 41.090463] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 41.090475] [ 470] 0 470 5403 199 16 3 0 -1000 udevd [ 41.090484] [ 583] 0 583 5732 532 16 3 0 -1000 udevd [ 41.090493] [ 584] 0 584 5402 192 15 3 0 -1000 udevd [ 41.090502] [ 1771] 0 1771 2492 572 8 3 0 0 dhclient [ 41.090511] [ 1902] 0 1902 14231 108 23 3 0 0 rsyslogd [ 41.090520] [ 1950] 0 1950 4724 51 15 3 0 0 cron [ 41.090529] [ 1975] 0 1975 3735 45 12 3 0 0 mcstransd [ 41.090537] [ 1980] 0 1980 12926 1232 27 3 0 0 restorecond [ 41.090544] [ 2003] 0 2003 12489 152 30 3 0 -1000 sshd [ 41.090550] [ 2033] 0 2033 3648 41 13 3 0 0 getty [ 41.090557] [ 2052] 0 2052 3648 43 13 3 0 0 getty [ 41.090563] [ 2053] 0 2053 3648 42 13 3 0 0 getty [ 41.090570] [ 2054] 0 2054 3648 43 12 3 0 0 getty [ 41.090576] [ 2055] 0 2055 3648 42 13 3 0 0 getty [ 41.090582] [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 41.090589] [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 41.090595] [ 2058] 0 2058 17820 198 38 3 0 0 sshd [ 41.090602] [ 2060] 0 2060 33456 1768 28 5 0 0 syz-execprog [ 41.090608] [ 2073] 0 2073 9376 16 5 2 0 0 syz-executor2 [ 41.090615] [ 2075] 0 2075 9376 16 5 2 0 0 syz-executor3 [ 41.090621] [ 2076] 0 2076 9376 16 5 2 0 0 syz-executor5 [ 41.090628] [ 2077] 0 2077 9376 17 6 3 0 0 syz-executor3 [ 41.090634] [ 2079] 0 2079 9376 15 5 2 0 0 syz-executor0 [ 41.090641] [ 2080] 0 2080 9376 17 6 3 0 0 syz-executor5 [ 41.090647] [ 2082] 0 2082 9376 15 6 2 0 0 syz-executor4 [ 41.090653] [ 2083] 0 2083 9376 16 6 3 0 0 syz-executor0 [ 41.090660] [ 2084] 0 2084 9376 15 5 2 0 0 syz-executor1 [ 41.090666] [ 2085] 0 2085 9376 16 7 3 0 0 syz-executor4 [ 41.090673] [ 2086] 0 2086 9376 16 6 3 0 0 syz-executor1 [ 41.090679] [ 2088] 0 2088 9376 17 6 3 0 0 syz-executor2 [ 41.090687] [ 2234] 0 2220 9442 0 10 4 0 1000 syz-executor4 [ 41.090694] [ 2250] 0 2229 9442 0 9 4 0 1000 syz-executor3 [ 41.090704] [ 2256] 0 2239 9442 29 9 4 0 1000 syz-executor0 [ 41.090713] [ 2254] 0 2240 9442 30 9 4 0 1000 syz-executor2 [ 41.090722] [ 2243] 0 2243 5378 183 15 3 0 -1000 udevd [ 41.090732] [ 2257] 0 2244 9442 29 9 4 0 1000 syz-executor1 [ 41.090741] [ 2258] 0 2245 9442 30 9 4 0 1000 syz-executor5 [ 41.090750] [ 2247] 0 2247 5378 183 15 3 0 -1000 udevd [ 41.090760] [ 2255] 0 2255 9442 30 9 4 0 1000 syz-executor2 [ 41.090769] [ 2259] 0 2259 9442 29 9 4 0 1000 syz-executor0 [ 41.090778] [ 2260] 0 2260 9442 29 9 4 0 1000 syz-executor1 [ 41.090787] [ 2261] 0 2261 9442 30 9 4 0 1000 syz-executor5 [ 41.090792] Out of memory: Kill process 2240 (syz-executor2) score 999 or sacrifice child [ 41.091127] Killed process 2255 (syz-executor2) total-vm:37768kB, anon-rss:120kB, file-rss:0kB, shmem-rss:0kB [ 41.136373] oom_reaper: reaped process 2255 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 41.137260] syz-execprog invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 41.137267] CPU: 1 PID: 2064 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 41.137279] ffff8801ce0676f8 ffffffff81b42e79 ffff8801ce067ab8 ffffffff833e92b0 [ 41.137288] 0000000000000000 ffff8801ce067ad0 0000000000000000 ffff8801ce067778 [ 41.137296] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 41.137298] Call Trace: [ 41.137308] [] dump_stack+0xc1/0x128 [ 41.137316] [] dump_header.isra.4+0x142/0x747 [ 41.137323] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 41.137330] [] ? ___ratelimit+0x53/0x401 [ 41.137337] [] oom_kill_process.cold.10+0xd/0xa6e [ 41.137345] [] ? has_capability_noaudit+0x24/0x30 [ 41.137353] [] ? check_preemption_disabled+0x3b/0x200 [ 41.137360] [] ? out_of_memory+0x6d4/0xe90 [ 41.137367] [] out_of_memory+0x292/0xe90 [ 41.137373] [] ? out_of_memory+0x410/0xe90 [ 41.137380] [] ? oom_killer_disable+0x200/0x200 [ 41.137387] [] ? trace_hardirqs_on+0xd/0x10 [ 41.137410] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 41.137417] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 41.137424] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.137431] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 41.137437] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 41.137443] [] ? find_get_entry+0x11a/0x570 [ 41.137449] [] ? find_get_entry+0x141/0x570 [ 41.137455] [] ? page_cache_prev_hole+0x80/0x80 [ 41.137461] [] ? autoremove_wake_function+0x40/0x40 [ 41.137467] [] ? pagecache_get_page+0x131/0x710 [ 41.137473] [] filemap_fault+0xaf1/0x1110 [ 41.137481] [] ext4_filemap_fault+0x71/0xa0 [ 41.137487] [] __do_fault+0x223/0x500 [ 41.137492] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 41.137499] [] ? generic_file_readonly_mmap+0x190/0x190 [ 41.137505] [] handle_mm_fault+0x1326/0x2350 [ 41.137511] [] ? vm_insert_page+0x6f0/0x6f0 [ 41.137517] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.137524] [] __do_page_fault+0x403/0xa60 [ 41.137531] [] ? bad_area_access_error+0x3a0/0x3a0 [ 41.137538] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.137544] [] do_page_fault+0x27/0x30 [ 41.137550] [] page_fault+0x25/0x30 [ 41.137553] Mem-Info: [ 41.137566] active_anon:5755 inactive_anon:42 isolated_anon:0 [ 41.137566] active_file:31 inactive_file:31 isolated_file:0 [ 41.137566] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.137566] slab_reclaimable:4552 slab_unreclaimable:56916 [ 41.137566] mapped:20 shmem:48 pagetables:482 bounce:0 [ 41.137566] free:6047 free_pcp:81 free_cma:0 [ 41.137577] Node 0 active_anon:23020kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 41.137592] DMA32 free:18624kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 41.137613] Normal free:5564kB min:5580kB low:9168kB high:12756kB active_anon:23020kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18208kB slab_unreclaimable:227664kB kernel_stack:4192kB pagetables:1928kB bounce:0kB free_pcp:204kB local_pcp:136kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 41.137659] DMA32: 2*4kB (M) 3*8kB (M) 2*16kB (M) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18624kB Normal: 393*4kB (UM) 133*8kB (UMH) 95*16kB (UME) 37*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5660kB 110 total pagecache pages [ 41.137694] 0 pages in swap cache [ 41.137698] Swap cache stats: add 0, delete 0, find 0/0 [ 41.137699] Free swap = 0kB [ 41.137701] Total swap = 0kB [ 41.137703] 1965979 pages RAM [ 41.137704] 0 pages HighMem/MovableOnly [ 41.137706] 313617 pages reserved [ 41.137708] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 41.137720] [ 470] 0 470 5403 199 16 3 0 -1000 udevd [ 41.137728] [ 583] 0 583 5732 532 16 3 0 -1000 udevd [ 41.137736] [ 584] 0 584 5402 192 15 3 0 -1000 udevd [ 41.137745] [ 1771] 0 1771 2492 572 8 3 0 0 dhclient [ 41.137753] [ 1902] 0 1902 14231 108 23 3 0 0 rsyslogd [ 41.137762] [ 1950] 0 1950 4724 51 15 3 0 0 cron [ 41.137770] [ 1975] 0 1975 3735 45 12 3 0 0 mcstransd [ 41.137778] [ 1980] 0 1980 12926 1232 27 3 0 0 restorecond [ 41.137787] [ 2003] 0 2003 12489 152 30 3 0 -1000 sshd [ 41.137795] [ 2033] 0 2033 3648 41 13 3 0 0 getty [ 41.137803] [ 2052] 0 2052 3648 43 13 3 0 0 getty [ 41.137811] [ 2053] 0 2053 3648 42 13 3 0 0 getty [ 41.137819] [ 2054] 0 2054 3648 43 12 3 0 0 getty [ 41.137827] [ 2055] 0 2055 3648 42 13 3 0 0 getty [ 41.137835] [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 41.137843] [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 41.137852] [ 2058] 0 2058 17820 198 38 3 0 0 sshd [ 41.137860] [ 2060] 0 2060 33456 1768 28 5 0 0 syz-execprog [ 41.137868] [ 2073] 0 2073 9376 16 5 2 0 0 syz-executor2 [ 41.137884] [ 2075] 0 2075 9376 16 5 2 0 0 syz-executor3 [ 41.137892] [ 2076] 0 2076 9376 16 5 2 0 0 syz-executor5 [ 41.137900] [ 2077] 0 2077 9376 17 6 3 0 0 syz-executor3 [ 41.137908] [ 2079] 0 2079 9376 15 5 2 0 0 syz-executor0 [ 41.137917] [ 2080] 0 2080 9376 17 6 3 0 0 syz-executor5 [ 41.137925] [ 2082] 0 2082 9376 15 6 2 0 0 syz-executor4 [ 41.137934] [ 2083] 0 2083 9376 16 6 3 0 0 syz-executor0 [ 41.137942] [ 2084] 0 2084 9376 15 5 2 0 0 syz-executor1 [ 41.137950] [ 2085] 0 2085 9376 16 7 3 0 0 syz-executor4 [ 41.137958] [ 2086] 0 2086 9376 16 6 3 0 0 syz-executor1 [ 41.137966] [ 2088] 0 2088 9376 17 6 3 0 0 syz-executor2 [ 41.137975] [ 2234] 0 2220 9442 0 10 4 0 1000 syz-executor4 [ 41.137984] [ 2250] 0 2229 9442 0 9 4 0 1000 syz-executor3 [ 41.137993] [ 2256] 0 2239 9442 29 9 4 0 1000 syz-executor0 [ 41.138002] [ 2254] 0 2240 9442 0 9 4 0 1000 syz-executor2 [ 41.138010] [ 2243] 0 2243 5378 183 15 3 0 -1000 udevd [ 41.138019] [ 2257] 0 2244 9442 29 9 4 0 1000 syz-executor1 [ 41.138027] [ 2258] 0 2245 9442 30 9 4 0 1000 syz-executor5 [ 41.138036] [ 2247] 0 2247 5378 183 15 3 0 -1000 udevd [ 41.138046] [ 2259] 0 2259 9442 29 9 4 0 1000 syz-executor0 [ 41.138054] [ 2260] 0 2260 9442 29 9 4 0 1000 syz-executor1 [ 41.138062] [ 2261] 0 2261 9442 30 9 4 0 1000 syz-executor5 [ 41.138067] Out of memory: Kill process 2245 (syz-executor5) score 999 or sacrifice child [ 41.138095] Killed process 2261 (syz-executor5) total-vm:37768kB, anon-rss:120kB, file-rss:0kB, shmem-rss:0kB [ 41.185883] oom_reaper: reaped process 2261 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 41.189068] udevd invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=-1000 [ 41.189075] CPU: 0 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 41.189087] ffff8801d307f6f8 ffffffff81b42e79 ffff8801d307fab8 ffffffff833e92b0 [ 41.189100] 00000000fffffc18 ffff8801d307fad0 0000000000000000 ffff8801d307f778 [ 41.189110] ffffffff814fb526 0000000000000000 00000000fffffc18 ffffffff82816fa5 [ 41.189111] Call Trace: [ 41.189123] [] dump_stack+0xc1/0x128 [ 41.189131] [] dump_header.isra.4+0x142/0x747 [ 41.189139] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 41.189146] [] ? ___ratelimit+0x53/0x401 [ 41.189154] [] oom_kill_process.cold.10+0xd/0xa6e [ 41.189162] [] ? has_capability_noaudit+0x24/0x30 [ 41.189170] [] ? check_preemption_disabled+0x3b/0x200 [ 41.189177] [] ? out_of_memory+0x6d4/0xe90 [ 41.189188] [] out_of_memory+0x292/0xe90 [ 41.189194] [] ? out_of_memory+0x410/0xe90 [ 41.189202] [] ? oom_killer_disable+0x200/0x200 [ 41.189209] [] ? trace_hardirqs_on+0xd/0x10 [ 41.189217] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 41.189225] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 41.189232] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.189240] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 41.189247] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 41.189254] [] ? find_get_entry+0x11a/0x570 [ 41.189261] [] ? find_get_entry+0x141/0x570 [ 41.189268] [] ? page_cache_prev_hole+0x80/0x80 [ 41.189278] [] ? pagecache_get_page+0x131/0x710 [ 41.189285] [] filemap_fault+0xaf1/0x1110 [ 41.189305] [] ext4_filemap_fault+0x71/0xa0 [ 41.189311] [] __do_fault+0x223/0x500 [ 41.189317] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 41.189324] [] ? generic_file_readonly_mmap+0x190/0x190 [ 41.189331] [] handle_mm_fault+0x1326/0x2350 [ 41.189338] [] ? ep_poll+0x18f/0xb20 [ 41.189345] [] ? vm_insert_page+0x6f0/0x6f0 [ 41.189351] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 41.189358] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.189365] [] __do_page_fault+0x403/0xa60 [ 41.189375] [] ? __fget_light+0x169/0x1f0 [ 41.189382] [] ? bad_area_access_error+0x3a0/0x3a0 [ 41.189391] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.189397] [] do_page_fault+0x27/0x30 [ 41.189404] [] page_fault+0x25/0x30 [ 41.189406] Mem-Info: [ 41.189421] active_anon:5730 inactive_anon:42 isolated_anon:0 [ 41.189421] active_file:31 inactive_file:31 isolated_file:0 [ 41.189421] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.189421] slab_reclaimable:4552 slab_unreclaimable:56916 [ 41.189421] mapped:20 shmem:48 pagetables:482 bounce:0 [ 41.189421] free:6047 free_pcp:98 free_cma:0 [ 41.189433] Node 0 active_anon:22920kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 41.189448] DMA32 free:18624kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 41.189475] Normal free:5564kB min:5580kB low:9168kB high:12756kB active_anon:22920kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18208kB slab_unreclaimable:227664kB kernel_stack:4160kB pagetables:1928kB bounce:0kB free_pcp:272kB local_pcp:136kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 41.189525] DMA32: 2*4kB (M) 3*8kB (M) 2*16kB (M) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18624kB Normal: 393*4kB (UM) 133*8kB (UMH) 95*16kB (UME) 38*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5692kB 110 total pagecache pages [ 41.189564] 0 pages in swap cache [ 41.189568] Swap cache stats: add 0, delete 0, find 0/0 [ 41.189569] Free swap = 0kB [ 41.189571] Total swap = 0kB [ 41.189573] 1965979 pages RAM [ 41.189578] 0 pages HighMem/MovableOnly [ 41.189580] 313617 pages reserved [ 41.189582] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 41.189594] [ 470] 0 470 5403 199 16 3 0 -1000 udevd [ 41.189603] [ 583] 0 583 5732 532 16 3 0 -1000 udevd [ 41.189613] [ 584] 0 584 5402 192 15 3 0 -1000 udevd [ 41.189622] [ 1771] 0 1771 2492 572 8 3 0 0 dhclient [ 41.189631] [ 1902] 0 1902 14231 108 23 3 0 0 rsyslogd [ 41.189640] [ 1950] 0 1950 4724 51 15 3 0 0 cron [ 41.189648] [ 1975] 0 1975 3735 45 12 3 0 0 mcstransd [ 41.189655] [ 1980] 0 1980 12926 1232 27 3 0 0 restorecond [ 41.189662] [ 2003] 0 2003 12489 152 30 3 0 -1000 sshd [ 41.189671] [ 2033] 0 2033 3648 41 13 3 0 0 getty [ 41.189677] [ 2052] 0 2052 3648 43 13 3 0 0 getty [ 41.189684] [ 2053] 0 2053 3648 42 13 3 0 0 getty [ 41.189690] [ 2054] 0 2054 3648 43 12 3 0 0 getty [ 41.189697] [ 2055] 0 2055 3648 42 13 3 0 0 getty [ 41.189703] [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 41.189709] [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 41.189716] [ 2058] 0 2058 17820 198 38 3 0 0 sshd [ 41.189722] [ 2060] 0 2060 33456 1768 28 5 0 0 syz-execprog [ 41.189729] [ 2073] 0 2073 9376 16 5 2 0 0 syz-executor2 [ 41.189735] [ 2075] 0 2075 9376 16 5 2 0 0 syz-executor3 [ 41.189742] [ 2076] 0 2076 9376 16 5 2 0 0 syz-executor5 [ 41.189748] [ 2077] 0 2077 9376 17 6 3 0 0 syz-executor3 [ 41.189755] [ 2079] 0 2079 9376 15 5 2 0 0 syz-executor0 [ 41.189761] [ 2080] 0 2080 9376 17 6 3 0 0 syz-executor5 [ 41.189768] [ 2082] 0 2082 9376 15 6 2 0 0 syz-executor4 [ 41.189777] [ 2083] 0 2083 9376 16 6 3 0 0 syz-executor0 [ 41.189783] [ 2084] 0 2084 9376 15 5 2 0 0 syz-executor1 [ 41.189790] [ 2085] 0 2085 9376 16 7 3 0 0 syz-executor4 [ 41.189796] [ 2086] 0 2086 9376 16 6 3 0 0 syz-executor1 [ 41.189803] [ 2088] 0 2088 9376 17 6 3 0 0 syz-executor2 [ 41.189810] [ 2234] 0 2220 9442 0 10 4 0 1000 syz-executor4 [ 41.189817] [ 2250] 0 2229 9442 0 9 4 0 1000 syz-executor3 [ 41.189827] [ 2256] 0 2239 9442 29 9 4 0 1000 syz-executor0 [ 41.189836] [ 2254] 0 2240 9442 0 9 4 0 1000 syz-executor2 [ 41.189845] [ 2243] 0 2243 5378 183 15 3 0 -1000 udevd [ 41.189855] [ 2257] 0 2244 9442 29 9 4 0 1000 syz-executor1 [ 41.189874] [ 2258] 0 2245 9442 0 9 4 0 1000 syz-executor5 [ 41.189884] [ 2247] 0 2247 5378 183 15 3 0 -1000 udevd [ 41.189900] [ 2259] 0 2259 9442 29 9 4 0 1000 syz-executor0 [ 41.189909] [ 2260] 0 2260 9442 29 9 4 0 1000 syz-executor1 [ 41.189914] Out of memory: Kill process 2239 (syz-executor0) score 999 or sacrifice child [ 41.189940] Killed process 2259 (syz-executor0) total-vm:37768kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 41.235836] oom_reaper: reaped process 2259 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 41.239734] syz-executor3 invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 41.239742] CPU: 1 PID: 2077 Comm: syz-executor3 Not tainted 4.9.141+ #1 [ 41.239753] ffff8801cf29f6f8 ffffffff81b42e79 ffff8801cf29fab8 ffffffff833e92b0 [ 41.239762] 0000000000000000 ffff8801cf29fad0 0000000000000000 ffff8801cf29f778 [ 41.239771] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 41.239773] Call Trace: [ 41.239783] [] dump_stack+0xc1/0x128 [ 41.239791] [] dump_header.isra.4+0x142/0x747 [ 41.239797] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 41.239804] [] ? ___ratelimit+0x53/0x401 [ 41.239811] [] oom_kill_process.cold.10+0xd/0xa6e [ 41.239818] [] ? has_capability_noaudit+0x24/0x30 [ 41.239827] [] ? check_preemption_disabled+0x3b/0x200 [ 41.239833] [] ? out_of_memory+0x6d4/0xe90 [ 41.239838] [] out_of_memory+0x292/0xe90 [ 41.239844] [] ? out_of_memory+0x410/0xe90 [ 41.239851] [] ? oom_killer_disable+0x200/0x200 [ 41.239857] [] ? trace_hardirqs_on+0xd/0x10 [ 41.239871] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 41.239879] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 41.239885] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.239892] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 41.239899] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 41.239905] [] ? find_get_entry+0x11a/0x570 [ 41.239911] [] ? find_get_entry+0x141/0x570 [ 41.239917] [] ? page_cache_prev_hole+0x80/0x80 [ 41.239925] [] ? autoremove_wake_function+0x40/0x40 [ 41.239931] [] ? pagecache_get_page+0x131/0x710 [ 41.239937] [] filemap_fault+0xaf1/0x1110 [ 41.239944] [] ext4_filemap_fault+0x71/0xa0 [ 41.239950] [] __do_fault+0x223/0x500 [ 41.239956] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 41.239962] [] ? generic_file_readonly_mmap+0x190/0x190 [ 41.239968] [] handle_mm_fault+0x1326/0x2350 [ 41.239974] [] ? vm_insert_page+0x6f0/0x6f0 [ 41.239981] [] ? hrtimer_nanosleep+0x38c/0x550 [ 41.239987] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.239994] [] __do_page_fault+0x403/0xa60 [ 41.240000] [] ? bad_area_access_error+0x3a0/0x3a0 [ 41.240007] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.240013] [] do_page_fault+0x27/0x30 [ 41.240019] [] page_fault+0x25/0x30 [ 41.240021] Mem-Info: [ 41.240034] active_anon:5705 inactive_anon:42 isolated_anon:0 [ 41.240034] active_file:31 inactive_file:31 isolated_file:0 [ 41.240034] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.240034] slab_reclaimable:4552 slab_unreclaimable:56916 [ 41.240034] mapped:20 shmem:48 pagetables:482 bounce:0 [ 41.240034] free:6047 free_pcp:115 free_cma:0 [ 41.240045] Node 0 active_anon:22820kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 41.240060] DMA32 free:18624kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 41.240081] Normal free:5564kB min:5580kB low:9168kB high:12756kB active_anon:22820kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18208kB slab_unreclaimable:227664kB kernel_stack:4128kB pagetables:1928kB bounce:0kB free_pcp:340kB local_pcp:136kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 41.240127] DMA32: 2*4kB (M) 3*8kB (M) 2*16kB (M) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18624kB Normal: 393*4kB (UM) 133*8kB (UMH) 95*16kB (UME) 39*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5724kB 110 total pagecache pages [ 41.240162] 0 pages in swap cache [ 41.240165] Swap cache stats: add 0, delete 0, find 0/0 [ 41.240167] Free swap = 0kB [ 41.240168] Total swap = 0kB [ 41.240170] 1965979 pages RAM [ 41.240172] 0 pages HighMem/MovableOnly [ 41.240174] 313617 pages reserved [ 41.240176] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 41.240187] [ 470] 0 470 5403 199 16 3 0 -1000 udevd [ 41.240196] [ 583] 0 583 5732 532 16 3 0 -1000 udevd [ 41.240204] [ 584] 0 584 5402 192 15 3 0 -1000 udevd [ 41.240212] [ 1771] 0 1771 2492 572 8 3 0 0 dhclient [ 41.240221] [ 1902] 0 1902 14231 108 23 3 0 0 rsyslogd [ 41.240229] [ 1950] 0 1950 4724 51 15 3 0 0 cron [ 41.240237] [ 1975] 0 1975 3735 45 12 3 0 0 mcstransd [ 41.240245] [ 1980] 0 1980 12926 1232 27 3 0 0 restorecond [ 41.240254] [ 2003] 0 2003 12489 152 30 3 0 -1000 sshd [ 41.240262] [ 2033] 0 2033 3648 41 13 3 0 0 getty [ 41.240270] [ 2052] 0 2052 3648 43 13 3 0 0 getty [ 41.240279] [ 2053] 0 2053 3648 42 13 3 0 0 getty [ 41.240287] [ 2054] 0 2054 3648 43 12 3 0 0 getty [ 41.240295] [ 2055] 0 2055 3648 42 13 3 0 0 getty [ 41.240303] [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 41.240311] [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 41.240319] [ 2058] 0 2058 17820 198 38 3 0 0 sshd [ 41.240327] [ 2060] 0 2060 33456 1768 28 5 0 0 syz-execprog [ 41.240335] [ 2073] 0 2073 9376 16 5 2 0 0 syz-executor2 [ 41.240344] [ 2075] 0 2075 9376 16 5 2 0 0 syz-executor3 [ 41.240352] [ 2076] 0 2076 9376 16 5 2 0 0 syz-executor5 [ 41.240360] [ 2077] 0 2077 9376 17 6 3 0 0 syz-executor3 [ 41.240368] [ 2079] 0 2079 9376 15 5 2 0 0 syz-executor0 [ 41.240376] [ 2080] 0 2080 9376 17 6 3 0 0 syz-executor5 [ 41.240389] [ 2082] 0 2082 9376 15 6 2 0 0 syz-executor4 [ 41.240398] [ 2083] 0 2083 9376 16 6 3 0 0 syz-executor0 [ 41.240406] [ 2084] 0 2084 9376 15 5 2 0 0 syz-executor1 [ 41.240414] [ 2085] 0 2085 9376 16 7 3 0 0 syz-executor4 [ 41.240422] [ 2086] 0 2086 9376 16 6 3 0 0 syz-executor1 [ 41.240430] [ 2088] 0 2088 9376 17 6 3 0 0 syz-executor2 [ 41.240439] [ 2234] 0 2220 9442 0 10 4 0 1000 syz-executor4 [ 41.240448] [ 2250] 0 2229 9442 0 9 4 0 1000 syz-executor3 [ 41.240457] [ 2256] 0 2239 9442 0 9 4 0 1000 syz-executor0 [ 41.240466] [ 2254] 0 2240 9442 0 9 4 0 1000 syz-executor2 [ 41.240474] [ 2243] 0 2243 5378 183 15 3 0 -1000 udevd [ 41.240483] [ 2257] 0 2244 9442 29 9 4 0 1000 syz-executor1 [ 41.240492] [ 2258] 0 2245 9442 0 9 4 0 1000 syz-executor5 [ 41.240500] [ 2247] 0 2247 5378 183 15 3 0 -1000 udevd [ 41.240511] [ 2260] 0 2260 9442 29 9 4 0 1000 syz-executor1 [ 41.240516] Out of memory: Kill process 2244 (syz-executor1) score 999 or sacrifice child [ 41.240539] Killed process 2260 (syz-executor1) total-vm:37768kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 41.293838] oom_reaper: reaped process 2260 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 41.295000] syz-executor3 invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 41.295007] CPU: 1 PID: 2077 Comm: syz-executor3 Not tainted 4.9.141+ #1 [ 41.295019] ffff8801cf29f6f8 ffffffff81b42e79 ffff8801cf29fab8 ffffffff833e92b0 [ 41.295028] 0000000000000000 ffff8801cf29fad0 0000000000000000 ffff8801cf29f778 [ 41.295036] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 41.295038] Call Trace: [ 41.295048] [] dump_stack+0xc1/0x128 [ 41.295056] [] dump_header.isra.4+0x142/0x747 [ 41.295063] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 41.295070] [] ? ___ratelimit+0x53/0x401 [ 41.295077] [] oom_kill_process.cold.10+0xd/0xa6e [ 41.295083] [] ? _raw_spin_unlock+0x2c/0x50 [ 41.295091] [] ? check_preemption_disabled+0x3b/0x200 [ 41.295098] [] ? out_of_memory+0x6d4/0xe90 [ 41.295104] [] out_of_memory+0x292/0xe90 [ 41.295110] [] ? out_of_memory+0x410/0xe90 [ 41.295135] [] ? oom_killer_disable+0x200/0x200 [ 41.295143] [] ? trace_hardirqs_on+0xd/0x10 [ 41.295151] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 41.295159] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 41.295166] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.295174] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 41.295181] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 41.295188] [] ? find_get_entry+0x11a/0x570 [ 41.295195] [] ? find_get_entry+0x141/0x570 [ 41.295202] [] ? page_cache_prev_hole+0x80/0x80 [ 41.295210] [] ? autoremove_wake_function+0x40/0x40 [ 41.295217] [] ? pagecache_get_page+0x131/0x710 [ 41.295224] [] filemap_fault+0xaf1/0x1110 [ 41.295232] [] ext4_filemap_fault+0x71/0xa0 [ 41.295239] [] __do_fault+0x223/0x500 [ 41.295245] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 41.295253] [] ? generic_file_readonly_mmap+0x190/0x190 [ 41.295260] [] handle_mm_fault+0x1326/0x2350 [ 41.295267] [] ? vm_insert_page+0x6f0/0x6f0 [ 41.295275] [] ? hrtimer_nanosleep+0x38c/0x550 [ 41.295281] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.295289] [] __do_page_fault+0x403/0xa60 [ 41.295297] [] ? bad_area_access_error+0x3a0/0x3a0 [ 41.295305] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.295312] [] do_page_fault+0x27/0x30 [ 41.295318] [] page_fault+0x25/0x30 [ 41.295321] Mem-Info: [ 41.295337] active_anon:5705 inactive_anon:42 isolated_anon:0 [ 41.295337] active_file:31 inactive_file:31 isolated_file:0 [ 41.295337] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.295337] slab_reclaimable:4552 slab_unreclaimable:56916 [ 41.295337] mapped:20 shmem:48 pagetables:482 bounce:0 [ 41.295337] free:6047 free_pcp:132 free_cma:0 [ 41.295349] Node 0 active_anon:22820kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 41.295366] DMA32 free:18624kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 41.295397] Normal free:5564kB min:5580kB low:9168kB high:12756kB active_anon:22820kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18208kB slab_unreclaimable:227664kB kernel_stack:4096kB pagetables:1928kB bounce:0kB free_pcp:408kB local_pcp:136kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 41.295451] DMA32: 2*4kB (M) 3*8kB (M) 2*16kB (M) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18624kB Normal: 393*4kB (UM) 133*8kB (UMH) 95*16kB (UME) 38*32kB (UM) 6*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5756kB 110 total pagecache pages [ 41.295493] 0 pages in swap cache [ 41.295496] Swap cache stats: add 0, delete 0, find 0/0 [ 41.295498] Free swap = 0kB [ 41.295500] Total swap = 0kB [ 41.295502] 1965979 pages RAM [ 41.295504] 0 pages HighMem/MovableOnly [ 41.295506] 313617 pages reserved [ 41.295509] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 41.295521] [ 470] 0 470 5403 199 16 3 0 -1000 udevd [ 41.295532] [ 583] 0 583 5732 532 16 3 0 -1000 udevd [ 41.295540] [ 584] 0 584 5402 192 15 3 0 -1000 udevd [ 41.295547] [ 1771] 0 1771 2492 572 8 3 0 0 dhclient [ 41.295554] [ 1902] 0 1902 14231 108 23 3 0 0 rsyslogd [ 41.295561] [ 1950] 0 1950 4724 51 15 3 0 0 cron [ 41.295568] [ 1975] 0 1975 3735 45 12 3 0 0 mcstransd [ 41.295575] [ 1980] 0 1980 12926 1232 27 3 0 0 restorecond [ 41.295582] [ 2003] 0 2003 12489 152 30 3 0 -1000 sshd [ 41.295589] [ 2033] 0 2033 3648 41 13 3 0 0 getty [ 41.295596] [ 2052] 0 2052 3648 43 13 3 0 0 getty [ 41.295603] [ 2053] 0 2053 3648 42 13 3 0 0 getty [ 41.295610] [ 2054] 0 2054 3648 43 12 3 0 0 getty [ 41.295617] [ 2055] 0 2055 3648 42 13 3 0 0 getty [ 41.295624] [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 41.295630] [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 41.295637] [ 2058] 0 2058 17820 198 38 3 0 0 sshd [ 41.295644] [ 2060] 0 2060 33456 1768 28 5 0 0 syz-execprog [ 41.295651] [ 2073] 0 2073 9376 16 5 2 0 0 syz-executor2 [ 41.295658] [ 2075] 0 2075 9376 16 5 2 0 0 syz-executor3 [ 41.295672] [ 2076] 0 2076 9376 16 5 2 0 0 syz-executor5 [ 41.350675] [ 2077] 0 2077 9376 17 6 3 0 0 syz-executor3 [ 41.350685] [ 2079] 0 2079 9376 15 5 2 0 0 syz-executor0 [ 41.350695] [ 2080] 0 2080 9376 17 6 3 0 0 syz-executor5 [ 41.350706] [ 2082] 0 2082 9376 15 6 2 0 0 syz-executor4 [ 41.350715] [ 2083] 0 2083 9376 16 6 3 0 0 syz-executor0 [ 41.350725] [ 2084] 0 2084 9376 15 5 2 0 0 syz-executor1 [ 41.350735] [ 2085] 0 2085 9376 16 7 3 0 0 syz-executor4 [ 41.350744] [ 2086] 0 2086 9376 16 6 3 0 0 syz-executor1 [ 41.350751] [ 2088] 0 2088 9376 17 6 3 0 0 syz-executor2 [ 41.350759] [ 2234] 0 2220 9442 0 10 4 0 1000 syz-executor4 [ 41.350767] [ 2250] 0 2229 9442 0 9 4 0 1000 syz-executor3 [ 41.350779] [ 2256] 0 2239 9442 0 9 4 0 1000 syz-executor0 [ 41.350790] [ 2254] 0 2240 9442 0 9 4 0 1000 syz-executor2 [ 41.350801] [ 2243] 0 2243 5378 183 15 3 0 -1000 udevd [ 41.350811] [ 2257] 0 2244 9442 0 9 4 0 1000 syz-executor1 [ 41.350822] [ 2258] 0 2245 9442 0 9 4 0 1000 syz-executor5 [ 41.350833] [ 2247] 0 2247 5378 183 15 3 0 -1000 udevd [ 41.350846] Out of memory: Kill process 2060 (syz-execprog) score 1 or sacrifice child [ 41.350905] Killed process 2073 (syz-executor2) total-vm:37504kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 41.380297] syz-executor5 invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 41.380304] CPU: 0 PID: 2080 Comm: syz-executor5 Not tainted 4.9.141+ #1 [ 41.380316] ffff8801cf3676f8 ffffffff81b42e79 ffff8801cf367ab8 ffffffff833e92b0 [ 41.380325] 0000000000000000 ffff8801cf367ad0 0000000000000000 ffff8801cf367778 [ 41.380334] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 41.380336] Call Trace: [ 41.380348] [] dump_stack+0xc1/0x128 [ 41.380357] [] dump_header.isra.4+0x142/0x747 [ 41.380365] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 41.380371] [] ? ___ratelimit+0x53/0x401 [ 41.380379] [] oom_kill_process.cold.10+0xd/0xa6e [ 41.380385] [] ? _raw_spin_unlock+0x2c/0x50 [ 41.380393] [] ? check_preemption_disabled+0x3b/0x200 [ 41.380401] [] ? out_of_memory+0x6d4/0xe90 [ 41.380407] [] out_of_memory+0x292/0xe90 [ 41.380414] [] ? out_of_memory+0x410/0xe90 [ 41.380421] [] ? oom_killer_disable+0x200/0x200 [ 41.380428] [] ? trace_hardirqs_on+0xd/0x10 [ 41.380435] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 41.380443] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 41.380449] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.380457] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 41.380464] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 41.380470] [] ? find_get_entry+0x11a/0x570 [ 41.380477] [] ? find_get_entry+0x141/0x570 [ 41.380483] [] ? page_cache_prev_hole+0x80/0x80 [ 41.380490] [] ? autoremove_wake_function+0x40/0x40 [ 41.380497] [] ? pagecache_get_page+0x131/0x710 [ 41.380503] [] filemap_fault+0xaf1/0x1110 [ 41.380511] [] ext4_filemap_fault+0x71/0xa0 [ 41.380518] [] __do_fault+0x223/0x500 [ 41.380524] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 41.380531] [] ? handle_mm_fault+0x1d4f/0x2350 [ 41.380537] [] handle_mm_fault+0x1326/0x2350 [ 41.380544] [] ? vm_insert_page+0x6f0/0x6f0 [ 41.380551] [] ? hrtimer_nanosleep+0x38c/0x550 [ 41.380557] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.380566] [] __do_page_fault+0x403/0xa60 [ 41.380573] [] ? bad_area_access_error+0x3a0/0x3a0 [ 41.380581] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.380587] [] do_page_fault+0x27/0x30 [ 41.380594] [] page_fault+0x25/0x30 [ 41.380597] Mem-Info: [ 41.380629] active_anon:5653 inactive_anon:42 isolated_anon:0 [ 41.380629] active_file:31 inactive_file:31 isolated_file:0 [ 41.380629] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.380629] slab_reclaimable:4552 slab_unreclaimable:56916 [ 41.380629] mapped:20 shmem:48 pagetables:482 bounce:0 [ 41.380629] free:6000 free_pcp:173 free_cma:0 [ 41.380642] Node 0 active_anon:22612kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:5 all_unreclaimable? no [ 41.380659] DMA32 free:18620kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 41.380685] Normal free:5380kB min:5580kB low:9168kB high:12756kB active_anon:22612kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18208kB slab_unreclaimable:227664kB kernel_stack:4064kB pagetables:1928kB bounce:0kB free_pcp:572kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 41.380739] DMA32: 3*4kB (UM) 4*8kB (UM) 3*16kB (UM) 3*32kB (UM) 4*64kB (UM) 2*128kB (M) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18620kB Normal: 313*4kB (UM) 110*8kB (UMH) 101*16kB (UME) 40*32kB (UM) 6*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5412kB 110 total pagecache pages [ 41.380800] 0 pages in swap cache [ 41.380804] Swap cache stats: add 0, delete 0, find 0/0 [ 41.380806] Free swap = 0kB [ 41.380808] Total swap = 0kB [ 41.380810] 1965979 pages RAM [ 41.380812] 0 pages HighMem/MovableOnly [ 41.380814] 313617 pages reserved [ 41.380816] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 41.380830] [ 470] 0 470 5403 199 16 3 0 -1000 udevd [ 41.380841] [ 583] 0 583 5732 532 16 3 0 -1000 udevd [ 41.380859] [ 584] 0 584 5402 192 15 3 0 -1000 udevd [ 41.380875] [ 1771] 0 1771 2492 572 8 3 0 0 dhclient [ 41.380885] [ 1902] 0 1902 14231 108 23 3 0 0 rsyslogd [ 41.380895] [ 1950] 0 1950 4724 51 15 3 0 0 cron [ 41.380904] [ 1975] 0 1975 3735 45 12 3 0 0 mcstransd [ 41.380914] [ 1980] 0 1980 12926 1232 27 3 0 0 restorecond [ 41.380924] [ 2003] 0 2003 12489 152 30 3 0 -1000 sshd [ 41.380934] [ 2033] 0 2033 3648 41 13 3 0 0 getty [ 41.380943] [ 2052] 0 2052 3648 43 13 3 0 0 getty [ 41.380953] [ 2053] 0 2053 3648 42 13 3 0 0 getty [ 41.380960] [ 2054] 0 2054 3648 43 12 3 0 0 getty [ 41.380968] [ 2055] 0 2055 3648 42 13 3 0 0 getty [ 41.380975] [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 41.380983] [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 41.380991] [ 2058] 0 2058 17820 198 38 3 0 0 sshd [ 41.380998] [ 2060] 0 2060 33456 1768 28 5 0 0 syz-execprog [ 41.381006] [ 2075] 0 2075 9376 16 5 2 0 0 syz-executor3 [ 41.381014] [ 2076] 0 2076 9376 16 5 2 0 0 syz-executor5 [ 41.381021] [ 2077] 0 2077 9376 17 6 3 0 0 syz-executor3 [ 41.381028] [ 2079] 0 2079 9376 15 5 2 0 0 syz-executor0 [ 41.381035] [ 2080] 0 2080 9376 17 6 3 0 0 syz-executor5 [ 41.381042] [ 2082] 0 2082 9376 15 6 2 0 0 syz-executor4 [ 41.381050] [ 2083] 0 2083 9376 16 6 3 0 0 syz-executor0 [ 41.381057] [ 2084] 0 2084 9376 15 5 2 0 0 syz-executor1 [ 41.381064] [ 2085] 0 2085 9376 16 7 3 0 0 syz-executor4 [ 41.381071] [ 2086] 0 2086 9376 16 6 3 0 0 syz-executor1 [ 41.381080] [ 2234] 0 2220 9442 0 10 4 0 1000 syz-executor4 [ 41.381088] [ 2250] 0 2229 9442 0 9 4 0 1000 syz-executor3 [ 41.381100] [ 2256] 0 2239 9442 0 9 4 0 1000 syz-executor0 [ 41.381110] [ 2254] 0 2240 9442 0 9 4 0 1000 syz-executor2 [ 41.381120] [ 2243] 0 2243 5378 183 15 3 0 -1000 udevd [ 41.381131] [ 2257] 0 2244 9442 0 9 4 0 1000 syz-executor1 [ 41.381141] [ 2258] 0 2245 9442 0 9 4 0 1000 syz-executor5 [ 41.381151] [ 2247] 0 2247 5378 183 15 3 0 -1000 udevd [ 41.381162] Out of memory: Kill process 2060 (syz-execprog) score 1 or sacrifice child [ 41.381203] Killed process 2082 (syz-executor4) total-vm:37504kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 41.459976] syz-executor0 invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 41.459984] CPU: 1 PID: 2083 Comm: syz-executor0 Not tainted 4.9.141+ #1 [ 41.459996] ffff8801ccdbf6f8 ffffffff81b42e79 ffff8801ccdbfab8 ffffffff833e92b0 [ 41.460005] 0000000000000000 ffff8801ccdbfad0 0000000000000000 ffff8801ccdbf778 [ 41.460014] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 41.460029] Call Trace: [ 41.460041] [] dump_stack+0xc1/0x128 [ 41.460049] [] dump_header.isra.4+0x142/0x747 [ 41.460057] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 41.460063] [] ? ___ratelimit+0x53/0x401 [ 41.460070] [] oom_kill_process.cold.10+0xd/0xa6e [ 41.460075] [] ? _raw_spin_unlock+0x2c/0x50 [ 41.460083] [] ? check_preemption_disabled+0x3b/0x200 [ 41.460107] [] ? out_of_memory+0x6d4/0xe90 [ 41.460114] [] out_of_memory+0x292/0xe90 [ 41.460120] [] ? out_of_memory+0x410/0xe90 [ 41.460127] [] ? oom_killer_disable+0x200/0x200 [ 41.460134] [] ? trace_hardirqs_on+0xd/0x10 [ 41.460142] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 41.460149] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 41.460156] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.460164] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 41.460171] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 41.460178] [] ? find_get_entry+0x11a/0x570 [ 41.460184] [] ? find_get_entry+0x141/0x570 [ 41.460190] [] ? page_cache_prev_hole+0x80/0x80 [ 41.460198] [] ? autoremove_wake_function+0x40/0x40 [ 41.460204] [] ? pagecache_get_page+0x131/0x710 [ 41.460211] [] filemap_fault+0xaf1/0x1110 [ 41.460219] [] ext4_filemap_fault+0x71/0xa0 [ 41.460226] [] __do_fault+0x223/0x500 [ 41.460232] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 41.460238] [] ? handle_mm_fault+0x1d4f/0x2350 [ 41.460245] [] handle_mm_fault+0x1326/0x2350 [ 41.460251] [] ? vm_insert_page+0x6f0/0x6f0 [ 41.460259] [] ? hrtimer_nanosleep+0x38c/0x550 [ 41.460265] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.460274] [] __do_page_fault+0x403/0xa60 [ 41.460280] [] ? bad_area_access_error+0x3a0/0x3a0 [ 41.460289] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.460313] [] do_page_fault+0x27/0x30 [ 41.460320] [] page_fault+0x25/0x30 [ 41.460323] Mem-Info: [ 41.460339] active_anon:5653 inactive_anon:42 isolated_anon:0 [ 41.460339] active_file:31 inactive_file:31 isolated_file:0 [ 41.460339] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.460339] slab_reclaimable:4552 slab_unreclaimable:56916 [ 41.460339] mapped:20 shmem:48 pagetables:482 bounce:0 [ 41.460339] free:6000 free_pcp:192 free_cma:0 [ 41.460352] Node 0 active_anon:22612kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:5 all_unreclaimable? no [ 41.460375] DMA32 free:18620kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 41.460401] Normal free:5380kB min:5580kB low:9168kB high:12756kB active_anon:22612kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18208kB slab_unreclaimable:227664kB kernel_stack:4032kB pagetables:1928kB bounce:0kB free_pcp:648kB local_pcp:452kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 41.460455] DMA32: 3*4kB (UM) 4*8kB (UM) 3*16kB (UM) 3*32kB (UM) 4*64kB (UM) 2*128kB (M) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18620kB Normal: 313*4kB (UM) 109*8kB (UM) 101*16kB (UME) 41*32kB (UM) 6*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5436kB 110 total pagecache pages [ 41.460497] 0 pages in swap cache [ 41.460501] Swap cache stats: add 0, delete 0, find 0/0 [ 41.460503] Free swap = 0kB [ 41.460505] Total swap = 0kB [ 41.460508] 1965979 pages RAM [ 41.460510] 0 pages HighMem/MovableOnly [ 41.460512] 313617 pages reserved [ 41.460514] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 41.460527] [ 470] 0 470 5403 199 16 3 0 -1000 udevd [ 41.460536] [ 583] 0 583 5732 532 16 3 0 -1000 udevd [ 41.460544] [ 584] 0 584 5402 192 15 3 0 -1000 udevd [ 41.460551] [ 1771] 0 1771 2492 572 8 3 0 0 dhclient [ 41.460558] [ 1902] 0 1902 14231 108 23 3 0 0 rsyslogd [ 41.460565] [ 1950] 0 1950 4724 51 15 3 0 0 cron [ 41.460571] [ 1975] 0 1975 3735 45 12 3 0 0 mcstransd [ 41.460579] [ 1980] 0 1980 12926 1232 27 3 0 0 restorecond [ 41.460586] [ 2003] 0 2003 12489 152 30 3 0 -1000 sshd [ 41.460593] [ 2033] 0 2033 3648 41 13 3 0 0 getty [ 41.460600] [ 2052] 0 2052 3648 43 13 3 0 0 getty [ 41.460607] [ 2053] 0 2053 3648 42 13 3 0 0 getty [ 41.460614] [ 2054] 0 2054 3648 43 12 3 0 0 getty [ 41.460621] [ 2055] 0 2055 3648 42 13 3 0 0 getty [ 41.460627] [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 41.460634] [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 41.460641] [ 2058] 0 2058 17820 198 38 3 0 0 sshd [ 41.460648] [ 2060] 0 2060 33456 1768 28 5 0 0 syz-execprog [ 41.460656] [ 2075] 0 2075 9376 16 5 2 0 0 syz-executor3 [ 41.460663] [ 2076] 0 2076 9376 16 5 2 0 0 syz-executor5 [ 41.460670] [ 2077] 0 2077 9376 17 6 3 0 0 syz-executor3 [ 41.460677] [ 2079] 0 2079 9376 15 5 2 0 0 syz-executor0 [ 41.460684] [ 2080] 0 2080 9376 17 6 3 0 0 syz-executor5 [ 41.460692] [ 2083] 0 2083 9376 16 6 3 0 0 syz-executor0 [ 41.460699] [ 2084] 0 2084 9376 15 5 2 0 0 syz-executor1 [ 41.460706] [ 2085] 0 2085 9376 16 7 3 0 0 syz-executor4 [ 41.460713] [ 2086] 0 2086 9376 16 6 3 0 0 syz-executor1 [ 41.460721] [ 2234] 0 2220 9442 0 10 4 0 1000 syz-executor4 [ 41.460729] [ 2250] 0 2229 9442 0 9 4 0 1000 syz-executor3 [ 41.460739] [ 2256] 0 2239 9442 0 9 4 0 1000 syz-executor0 [ 41.460749] [ 2254] 0 2240 9442 0 9 4 0 1000 syz-executor2 [ 41.460759] [ 2243] 0 2243 5378 183 15 3 0 -1000 udevd [ 41.460769] [ 2257] 0 2244 9442 0 9 4 0 1000 syz-executor1 [ 41.460779] [ 2258] 0 2245 9442 0 9 4 0 1000 syz-executor5 [ 41.460789] [ 2247] 0 2247 5378 183 15 3 0 -1000 udevd [ 41.460799] Out of memory: Kill process 2060 (syz-execprog) score 1 or sacrifice child [ 41.460839] Killed process 2075 (syz-executor3) total-vm:37504kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 41.518648] syz-executor4 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 41.518655] CPU: 0 PID: 2234 Comm: syz-executor4 Not tainted 4.9.141+ #1 [ 41.518669] ffff8801caed7650 ffffffff81b42e79 ffff8801caed7a10 ffffffff833e92b0 [ 41.518678] 00000000000003e8 ffff8801caed7a28 0000000000000000 ffff8801caed76d0 [ 41.518688] ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 [ 41.518689] Call Trace: [ 41.518701] [] dump_stack+0xc1/0x128 [ 41.518710] [] dump_header.isra.4+0x142/0x747 [ 41.518718] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 41.518740] [] ? ___ratelimit+0x53/0x401 [ 41.518747] [] oom_kill_process.cold.10+0xd/0xa6e [ 41.518753] [] ? _raw_spin_unlock+0x2c/0x50 [ 41.518761] [] ? check_preemption_disabled+0x3b/0x200 [ 41.518768] [] ? out_of_memory+0x6d4/0xe90 [ 41.518775] [] out_of_memory+0x292/0xe90 [ 41.518781] [] ? out_of_memory+0x410/0xe90 [ 41.518788] [] ? oom_killer_disable+0x200/0x200 [ 41.518795] [] ? trace_hardirqs_on+0xd/0x10 [ 41.518802] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 41.518810] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 41.518818] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 41.518824] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.518832] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.518849] [] __vmalloc_node_range+0x25b/0x600 [ 41.518861] [] ? xt_alloc_table_info+0xc9/0x100 [ 41.518867] [] vmalloc+0x5b/0x70 [ 41.518873] [] ? xt_alloc_table_info+0xc9/0x100 [ 41.518880] [] xt_alloc_table_info+0xc9/0x100 [ 41.518887] [] do_ipt_set_ctl+0x235/0x460 [ 41.518895] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 41.518903] [] ? mutex_unlock+0x9/0x10 [ 41.518911] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 41.518917] [] nf_setsockopt+0x6d/0xc0 [ 41.518925] [] ip_setsockopt+0x88/0xa0 [ 41.518933] [] udp_setsockopt+0x4a/0x90 [ 41.518942] [] ipv6_setsockopt+0x10a/0x130 [ 41.518952] [] tcp_setsockopt+0x88/0xe0 [ 41.518960] [] sock_common_setsockopt+0x9a/0xe0 [ 41.518966] [] SyS_setsockopt+0x166/0x260 [ 41.518972] [] ? SyS_recv+0x40/0x40 [ 41.518980] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 41.518986] [] ? SyS_clock_settime+0x220/0x220 [ 41.518992] [] ? do_syscall_64+0x48/0x550 [ 41.518998] [] ? SyS_recv+0x40/0x40 [ 41.519004] [] do_syscall_64+0x19f/0x550 [ 41.519011] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 41.519014] Mem-Info: [ 41.519028] active_anon:5653 inactive_anon:42 isolated_anon:0 [ 41.519028] active_file:31 inactive_file:31 isolated_file:0 [ 41.519028] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.519028] slab_reclaimable:4552 slab_unreclaimable:56916 [ 41.519028] mapped:20 shmem:48 pagetables:482 bounce:0 [ 41.519028] free:6000 free_pcp:210 free_cma:0 [ 41.519042] Node 0 active_anon:22612kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:5 all_unreclaimable? no [ 41.519059] DMA32 free:18620kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 41.519082] Normal free:5380kB min:5580kB low:9168kB high:12756kB active_anon:22612kB inactive_anon:168kB active_file:124kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18208kB slab_unreclaimable:227664kB kernel_stack:4000kB pagetables:1928kB bounce:0kB free_pcp:720kB local_pcp:196kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 41.519131] DMA32: 3*4kB (UM) 4*8kB (UM) 3*16kB (UM) 3*32kB (UM) 4*64kB (UM) 2*128kB (M) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18620kB Normal: 313*4kB (UM) 109*8kB (UM) 101*16kB (UME) 42*32kB (UM) 6*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5468kB 110 total pagecache pages [ 41.519171] 0 pages in swap cache [ 41.519175] Swap cache stats: add 0, delete 0, find 0/0 [ 41.519177] Free swap = 0kB [ 41.519178] Total swap = 0kB [ 41.519180] 1965979 pages RAM [ 41.519182] 0 pages HighMem/MovableOnly [ 41.519184] 313617 pages reserved [ 41.519186] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 41.519199] [ 470] 0 470 5403 199 16 3 0 -1000 udevd [ 41.519208] [ 583] 0 583 5732 532 16 3 0 -1000 udevd [ 41.519216] [ 584] 0 584 5402 192 15 3 0 -1000 udevd [ 41.519223] [ 1771] 0 1771 2492 572 8 3 0 0 dhclient [ 41.519229] [ 1902] 0 1902 14231 108 23 3 0 0 rsyslogd [ 41.519238] [ 1950] 0 1950 4724 51 15 3 0 0 cron [ 41.519245] [ 1975] 0 1975 3735 45 12 3 0 0 mcstransd [ 41.519251] [ 1980] 0 1980 12926 1232 27 3 0 0 restorecond [ 41.519258] [ 2003] 0 2003 12489 152 30 3 0 -1000 sshd [ 41.519264] [ 2033] 0 2033 3648 41 13 3 0 0 getty [ 41.519271] [ 2052] 0 2052 3648 43 13 3 0 0 getty [ 41.519277] [ 2053] 0 2053 3648 42 13 3 0 0 getty [ 41.519284] [ 2054] 0 2054 3648 43 12 3 0 0 getty [ 41.519290] [ 2055] 0 2055 3648 42 13 3 0 0 getty [ 41.519297] [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 41.519303] [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 41.519310] [ 2058] 0 2058 17820 198 38 3 0 0 sshd [ 41.519316] [ 2060] 0 2060 33456 1768 28 5 0 0 syz-execprog [ 41.519324] [ 2076] 0 2076 9376 16 5 2 0 0 syz-executor5 [ 41.519331] [ 2077] 0 2077 9376 17 6 3 0 0 syz-executor3 [ 41.519339] [ 2079] 0 2079 9376 15 5 2 0 0 syz-executor0 [ 41.519346] [ 2080] 0 2080 9376 17 6 3 0 0 syz-executor5 [ 41.519353] [ 2083] 0 2083 9376 16 6 3 0 0 syz-executor0 [ 41.519361] [ 2084] 0 2084 9376 15 5 2 0 0 syz-executor1 [ 41.519367] [ 2085] 0 2085 9376 16 7 3 0 0 syz-executor4 [ 41.519374] [ 2086] 0 2086 9376 16 6 3 0 0 syz-executor1 [ 41.519382] [ 2234] 0 2220 9442 0 10 4 0 1000 syz-executor4 [ 41.519389] [ 2250] 0 2229 9442 0 9 4 0 1000 syz-executor3 [ 41.519399] [ 2256] 0 2239 9442 0 9 4 0 1000 syz-executor0 [ 41.519408] [ 2254] 0 2240 9442 0 9 4 0 1000 syz-executor2 [ 41.519418] [ 2243] 0 2243 5378 183 15 3 0 -1000 udevd [ 41.519427] [ 2257] 0 2244 9442 0 9 4 0 1000 syz-executor1 [ 41.519436] [ 2258] 0 2245 9442 0 9 4 0 1000 syz-executor5 [ 41.519448] [ 2247] 0 2247 5378 183 15 3 0 -1000 udevd [ 41.519458] Out of memory: Kill process 2060 (syz-execprog) score 1 or sacrifice child [ 41.519490] Killed process 2076 (syz-executor5) total-vm:37504kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 41.579792] Out of memory: Kill process 2060 (syz-execprog) score 1 or sacrifice child [ 41.579828] Killed process 2084 (syz-executor1) total-vm:37504kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 41.612454] Out of memory: Kill process 2060 (syz-execprog) score 1 or sacrifice child [ 41.612483] Killed process 2079 (syz-executor0) total-vm:37504kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 41.695463] oom_reaper: reaped process 2080 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 41.695880] oom_reaper: reaped process 2085 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 41.700114] Out of memory: Kill process 2060 (syz-execprog) score 1 or sacrifice child [ 41.700172] Killed process 2060 (syz-execprog) total-vm:133824kB, anon-rss:7072kB, file-rss:0kB, shmem-rss:0kB [ 41.706438] oom_reaper: reaped process 2060 (syz-execprog), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 41.711312] Out of memory: Kill process 1980 (restorecond) score 0 or sacrifice child [ 41.711351] Killed process 1980 (restorecond) total-vm:51704kB, anon-rss:4928kB, file-rss:0kB, shmem-rss:0kB [ 41.934588] Out of memory: Kill process 1771 (dhclient) score 0 or sacrifice child [ 41.934614] Killed process 1771 (dhclient) total-vm:9968kB, anon-rss:2288kB, file-rss:0kB, shmem-rss:0kB [ 41.987343] Out of memory: Kill process 2058 (sshd) score 0 or sacrifice child [ 41.987363] Killed process 2058 (sshd) total-vm:71280kB, anon-rss:784kB, file-rss:4kB, shmem-rss:4kB [ 42.074565] lowmemorykiller: Killing 'rsyslogd' (1902) (tgid 1902), adj 0, [ 42.074565] to free 428kB on behalf of 'rsyslogd' (1905) because [ 42.074565] cache 296kB is below limit 6144kB for oom_score_adj 0 [ 42.074565] Free memory is -13300kB above reserved [ 42.074663] lowmemorykiller: Killing 'rsyslogd' (1905) (tgid 1902), adj 0, [ 42.074663] to free 472kB on behalf of 'sshd' (2058) because [ 42.074663] cache 296kB is below limit 6144kB for oom_score_adj 0 [ 42.074663] Free memory is -13300kB above reserved [ 42.105700] lowmemorykiller: Killing 'rsyslogd' (1902) (tgid 1902), adj 0, [ 42.105700] to free 428kB on behalf of 'syz-executor1' (2257) because [ 42.105700] cache 296kB is below limit 6144kB for oom_score_adj 0 [ 42.105700] Free memory is -13300kB above reserved [ 42.121498] Out of memory: Kill process 1902 (rsyslogd) score 0 or sacrifice child [ 42.121511] Killed process 1905 (rsyslogd) total-vm:56924kB, anon-rss:472kB, file-rss:0kB, shmem-rss:0kB [ 42.129364] Out of memory: Kill process 1950 (cron) score 0 or sacrifice child [ 42.129571] Killed process 1950 (cron) total-vm:18896kB, anon-rss:200kB, file-rss:4kB, shmem-rss:0kB [ 42.223566] Out of memory: Kill process 1975 (mcstransd) score 0 or sacrifice child [ 42.223592] Killed process 1975 (mcstransd) total-vm:14940kB, anon-rss:180kB, file-rss:0kB, shmem-rss:0kB [ 42.298873] Out of memory: Kill process 2052 (getty) score 0 or sacrifice child [ 42.298901] Killed process 2052 (getty) total-vm:14592kB, anon-rss:168kB, file-rss:4kB, shmem-rss:0kB [ 42.323846] Out of memory: Kill process 2057 (getty) score 0 or sacrifice child [ 42.323871] Killed process 2057 (getty) total-vm:14592kB, anon-rss:168kB, file-rss:4kB, shmem-rss:0kB [ 42.367469] Out of memory: Kill process 2053 (getty) score 0 or sacrifice child [ 42.367496] Killed process 2053 (getty) total-vm:14592kB, anon-rss:164kB, file-rss:4kB, shmem-rss:0kB [ 42.374857] Out of memory: Kill process 2054 (getty) score 0 or sacrifice child [ 42.374878] Killed process 2054 (getty) total-vm:14592kB, anon-rss:168kB, file-rss:4kB, shmem-rss:0kB [ 42.417791] Out of memory: Kill process 2055 (getty) score 0 or sacrifice child [ 42.417817] Killed process 2055 (getty) total-vm:14592kB, anon-rss:164kB, file-rss:4kB, shmem-rss:0kB [ 42.456538] Out of memory: Kill process 2056 (getty) score 0 or sacrifice child [ 42.456566] Killed process 2056 (getty) total-vm:14592kB, anon-rss:164kB, file-rss:4kB, shmem-rss:0kB [ 42.458290] Out of memory: Kill process 2033 (getty) score 0 or sacrifice child [ 42.458312] Killed process 2033 (getty) total-vm:14592kB, anon-rss:160kB, file-rss:4kB, shmem-rss:0kB [ 42.483812] syz-executor4 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 42.483819] CPU: 0 PID: 2234 Comm: syz-executor4 Not tainted 4.9.141+ #1 [ 42.483832] ffff8801caed76f8 ffffffff81b42e79 ffff8801caed7a10 ffffffff833e92b0 [ 42.483841] 00000000000003e8 ffff8801caed7a28 0000000000000000 ffff8801caed7778 [ 42.483850] ffffffff814fb526 0000000000000000 00000000000003e8 ffff8801cbf44fe8 [ 42.483852] Call Trace: [ 42.483866] [] dump_stack+0xc1/0x128 [ 42.483875] [] dump_header.isra.4+0x142/0x747 [ 42.483883] [] ? out_of_memory+0x6d4/0xe90 [ 42.483891] [] out_of_memory.cold.11+0xd/0x5d [ 42.483897] [] ? out_of_memory+0x410/0xe90 [ 42.483905] [] ? oom_killer_disable+0x200/0x200 [ 42.483912] [] ? trace_hardirqs_on+0xd/0x10 [ 42.483920] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 42.483928] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 42.483936] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 42.483943] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.483951] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.483959] [] __vmalloc_node_range+0x25b/0x600 [ 42.483967] [] ? xt_alloc_table_info+0xc9/0x100 [ 42.483974] [] vmalloc+0x5b/0x70 [ 42.483980] [] ? xt_alloc_table_info+0xc9/0x100 [ 42.483987] [] xt_alloc_table_info+0xc9/0x100 [ 42.483995] [] do_ipt_set_ctl+0x235/0x460 [ 42.484002] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 42.484010] [] ? mutex_unlock+0x9/0x10 [ 42.484018] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 42.484025] [] nf_setsockopt+0x6d/0xc0 [ 42.484032] [] ip_setsockopt+0x88/0xa0 [ 42.484040] [] udp_setsockopt+0x4a/0x90 [ 42.484047] [] ipv6_setsockopt+0x10a/0x130 [ 42.484054] [] tcp_setsockopt+0x88/0xe0 [ 42.484062] [] sock_common_setsockopt+0x9a/0xe0 [ 42.484068] [] SyS_setsockopt+0x166/0x260 [ 42.484075] [] ? SyS_recv+0x40/0x40 [ 42.484082] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 42.484089] [] ? SyS_clock_settime+0x220/0x220 [ 42.484096] [] ? do_syscall_64+0x48/0x550 [ 42.484102] [] ? SyS_recv+0x40/0x40 [ 42.484108] [] do_syscall_64+0x19f/0x550 [ 42.484116] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 42.484119] Mem-Info: [ 42.484135] active_anon:1171 inactive_anon:42 isolated_anon:0 [ 42.484135] active_file:24 inactive_file:22 isolated_file:0 [ 42.484135] unevictable:0 dirty:0 writeback:0 unstable:0 [ 42.484135] slab_reclaimable:4549 slab_unreclaimable:56699 [ 42.484135] mapped:5 shmem:48 pagetables:167 bounce:0 [ 42.484135] free:6056 free_pcp:243 free_cma:0 [ 42.484148] Node 0 active_anon:4684kB inactive_anon:168kB active_file:96kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 42.484165] DMA32 free:18708kB 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:4kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 42.484191] Normal free:5516kB min:5580kB low:9168kB high:12756kB active_anon:4684kB inactive_anon:168kB active_file:96kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18196kB slab_unreclaimable:226792kB kernel_stack:3200kB pagetables:668kB bounce:0kB free_pcp:972kB local_pcp:360kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 42.484240] DMA32: 3*4kB (UM) 4*8kB (UM) 2*16kB (M) 3*32kB (UM) 4*64kB (UM) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18732kB Normal: 432*4kB (UME) 228*8kB (UME) 53*16kB (UME) 25*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5520kB 94 total pagecache pages [ 42.484277] 0 pages in swap cache [ 42.484281] Swap cache stats: add 0, delete 0, find 0/0 [ 42.484282] Free swap = 0kB [ 42.484284] Total swap = 0kB [ 42.484286] 1965979 pages RAM [ 42.484288] 0 pages HighMem/MovableOnly [ 42.484290] 313617 pages reserved [ 42.484292] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 42.484305] [ 470] 0 470 5403 198 16 3 0 -1000 udevd [ 42.484314] [ 583] 0 583 5732 532 16 3 0 -1000 udevd [ 42.484324] [ 584] 0 584 5402 192 15 3 0 -1000 udevd [ 42.484335] [ 2003] 0 2003 12489 152 30 3 0 -1000 sshd [ 42.484361] [ 2234] 0 2220 9442 0 10 4 0 1000 syz-executor4 [ 42.484371] [ 2250] 0 2229 9442 0 9 4 0 1000 syz-executor3 [ 42.484382] [ 2256] 0 2239 9442 0 9 4 0 1000 syz-executor0 [ 42.484391] [ 2254] 0 2240 9442 0 9 4 0 1000 syz-executor2 [ 42.484401] [ 2243] 0 2243 5378 183 15 3 0 -1000 udevd [ 42.484410] [ 2257] 0 2244 9442 0 9 4 0 1000 syz-executor1 [ 42.484420] [ 2258] 0 2245 9442 0 9 4 0 1000 syz-executor5 [ 42.484429] [ 2247] 0 2247 5378 183 15 3 0 -1000 udevd [ 42.484438] Kernel panic - not syncing: Out of memory and no killable processes... [ 42.484438] [ 42.484444] CPU: 0 PID: 2234 Comm: syz-executor4 Not tainted 4.9.141+ #1 [ 42.484454] ffff8801caed76b8 ffffffff81b42e79 ffffffff82a962c0 00000000ffffffff [ 42.484463] ffffffff83029100 0000000000000000 dffffc0000000000 ffff8801caed7778 [ 42.484472] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66 [ 42.484473] Call Trace: [ 42.484481] [] dump_stack+0xc1/0x128 [ 42.484488] [] panic+0x1bf/0x39f [ 42.484494] [] ? add_taint.cold.5+0x16/0x16 [ 42.484501] [] ? dump_header.isra.4+0x738/0x747 [ 42.484508] [] ? dump_header.isra.4+0x738/0x747 [ 42.484514] [] out_of_memory.cold.11+0x1e/0x5d [ 42.484521] [] ? out_of_memory+0x410/0xe90 [ 42.484528] [] ? oom_killer_disable+0x200/0x200 [ 42.484534] [] ? trace_hardirqs_on+0xd/0x10 [ 42.484541] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 42.484548] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 42.484556] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 42.484563] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.484570] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.484577] [] __vmalloc_node_range+0x25b/0x600 [ 42.484583] [] ? xt_alloc_table_info+0xc9/0x100 [ 42.484602] [] vmalloc+0x5b/0x70 [ 42.484608] [] ? xt_alloc_table_info+0xc9/0x100 [ 42.484614] [] xt_alloc_table_info+0xc9/0x100 [ 42.484620] [] do_ipt_set_ctl+0x235/0x460 [ 42.484627] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 42.484634] [] ? mutex_unlock+0x9/0x10 [ 42.484640] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 42.484646] [] nf_setsockopt+0x6d/0xc0 [ 42.484652] [] ip_setsockopt+0x88/0xa0 [ 42.484658] [] udp_setsockopt+0x4a/0x90 [ 42.484664] [] ipv6_setsockopt+0x10a/0x130 [ 42.484670] [] tcp_setsockopt+0x88/0xe0 [ 42.484676] [] sock_common_setsockopt+0x9a/0xe0 [ 42.484682] [] SyS_setsockopt+0x166/0x260 [ 42.484688] [] ? SyS_recv+0x40/0x40 [ 42.484694] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 42.484700] [] ? SyS_clock_settime+0x220/0x220 [ 42.484706] [] ? do_syscall_64+0x48/0x550 [ 42.484711] [] ? SyS_recv+0x40/0x40 [ 42.484716] [] do_syscall_64+0x19f/0x550 [ 42.484723] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 42.485279] Kernel Offset: disabled [ 51.100481] Rebooting in 86400 seconds..