[....] Starting enhanced syslogd: rsyslogd[ 12.786052] audit: type=1400 audit(1517144593.327:5): avc: denied { syslog } for pid=3524 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 syzkaller login: [ 18.677365] audit: type=1400 audit(1517144599.219:6): avc: denied { map } for pid=3663 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 Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts. [ 24.963572] audit: type=1400 audit(1517144605.505:7): avc: denied { map } for pid=3677 comm="syzkaller552520" path="/root/syzkaller552520152" 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 [ 24.997152] audit: type=1400 audit(1517144605.515:8): avc: denied { sys_admin } for pid=3681 comm="syzkaller552520" 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 [ 25.150058] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz3.router_solicitations = 0 [ 25.230435] audit: type=1400 audit(1517144605.771:9): avc: denied { net_admin } for pid=3686 comm="syzkaller552520" 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 RTNETLINK answers: Operation not supported [ 25.367152] IPVS: ftp: loaded support on port[0] = 21 [ 25.397853] ip (3731) used greatest stack depth: 16224 bytes left net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 25.445782] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported [ 25.549099] IPVS: ftp: loaded support on port[0] = 21 RTNETLINK answers: Operation not supported net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz5.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 25.762350] IPVS: ftp: loaded support on port[0] = 21 RTNETLINK answers: Invalid argument net.ipv6.conf.syz1.accept_dad = 0 [ 25.852296] IPVS: ftp: loaded support on port[0] = 21 [ 25.855403] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready net.ipv6.conf.syz1.router_solicitations = 0 RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported net.ipv6.conf.syz6.accept_dad = 0 RTNETLINK answers: Invalid argument net.ipv6.conf.syz6.router_solicitations = 0 [ 26.035774] IPVS: ftp: loaded support on port[0] = 21 RTNETLINK answers: Operation not supported net.ipv6.conf.syz4.accept_dad = 0 RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported net.ipv6.conf.syz4.router_solicitations = 0 [ 26.190267] IPVS: ftp: loaded support on port[0] = 21 RTNETLINK answers: Operation not supported net.ipv6.conf.syz2.accept_dad = 0 [ 26.333212] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz2.router_solicitations = 0 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 26.496667] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported executing program [ 26.674619] audit: type=1400 audit(1517144607.216:10): avc: denied { sys_chroot } for pid=3686 comm="syzkaller552520" 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 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 27.036833] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Invalid argument RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 27.304301] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 27.632451] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument [ 27.883234] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available [ 28.028511] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument executing program RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument executing program RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 31.613480] ip (4656) used greatest stack depth: 11888 bytes left loop fork failed (errno 12) [ 31.834731] oom_reaper: reaped process 4580 (syzkaller552520), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 31.858667] syzkaller552520 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 31.916661] syzkaller552520 cpuset=/ mems_allowed=0 [ 31.920891] syzkaller552520: vmalloc: allocation failure, allocated 372289536 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 31.920900] syzkaller552520 cpuset=/ mems_allowed=0 [ 31.920947] CPU: 0 PID: 4576 Comm: syzkaller552520 Not tainted 4.15.0-rc9+ #283 [ 31.920951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.920954] Call Trace: [ 31.920969] dump_stack+0x194/0x257 [ 31.920983] ? arch_local_irq_restore+0x53/0x53 [ 31.920989] ? idr_get_free_cmn+0xfd0/0xfd0 [ 31.921000] ? retint_kernel+0x10/0x10 [ 31.921024] warn_alloc+0x19a/0x2b0 [ 31.921037] ? zone_watermark_ok_safe+0x400/0x400 [ 31.921082] __vmalloc_node_range+0x482/0x650 [ 31.921104] ? xt_alloc_table_info+0x64/0xe0 [ 31.921113] __vmalloc_node_flags_caller+0x50/0x60 [ 31.921122] ? xt_alloc_table_info+0x64/0xe0 [ 31.921135] kvmalloc_node+0x82/0xd0 [ 31.921148] xt_alloc_table_info+0x64/0xe0 [ 31.921160] do_ip6t_set_ctl+0x29b/0x5f0 [ 31.921174] ? translate_compat_table+0x1c50/0x1c50 [ 31.921200] ? mutex_unlock+0xd/0x10 [ 31.921209] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 31.921224] nf_setsockopt+0x67/0xc0 [ 31.921238] ipv6_setsockopt+0x115/0x150 [ 31.921252] udpv6_setsockopt+0x45/0x80 [ 31.921267] sock_common_setsockopt+0x95/0xd0 [ 31.921282] SyS_setsockopt+0x189/0x360 [ 31.921296] ? SyS_recv+0x40/0x40 [ 31.921306] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 31.921319] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.921332] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.921351] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 31.921356] RIP: 0033:0x452e09 [ 31.921360] RSP: 002b:00007f75a0d84ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 31.921367] RAX: ffffffffffffffda RBX: 0000000000700024 RCX: 0000000000452e09 [ 31.921371] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000004 [ 31.921375] RBP: 0000000000700020 R08: 00000000000003b8 R09: 0000000000000000 [ 31.921379] R10: 0000000020019c48 R11: 0000000000000246 R12: 0000000000000000 [ 31.921383] R13: 000000000080f40f R14: 00007f75a0d859c0 R15: 0000000000000006 [ 31.921495] Mem-Info: [ 31.921510] active_anon:7102 inactive_anon:63 isolated_anon:0 [ 31.921510] active_file:0 inactive_file:19 isolated_file:0 [ 31.921510] unevictable:0 dirty:0 writeback:0 unstable:0 [ 31.921510] slab_reclaimable:6476 slab_unreclaimable:92415 [ 31.921510] mapped:23 shmem:70 pagetables:435 bounce:0 [ 31.921510] free:15754 free_pcp:52 free_cma:0 [ 31.921523] Node 0 active_anon:28408kB inactive_anon:252kB active_file:0kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 18432kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 31.921526] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 31.921542] lowmem_reserve[]: 0 2868 6378 6378 [ 31.921555] Node 0 DMA32 free:29128kB min:30320kB low:37900kB high:45480kB active_anon:224kB inactive_anon:4kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940052kB mlocked:0kB kernel_stack:160kB pagetables:116kB bounce:0kB free_pcp:204kB local_pcp:84kB free_cma:0kB [ 31.921571] lowmem_reserve[]: 0 0 3510 3510 [ 31.921583] Node 0 Normal free:17980kB min:37096kB low:46368kB high:55640kB active_anon:28192kB inactive_anon:248kB active_file:108kB inactive_file:220kB unevictable:0kB writepending:0kB present:4718592kB managed:3594340kB mlocked:0kB kernel_stack:3552kB pagetables:1624kB bounce:0kB free_pcp:4kB local_pcp:4kB free_cma:0kB [ 31.921599] lowmem_reserve[]: 0 0 0 0 [ 31.921611] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 31.921666] Node 0 DMA32: 52*4kB (UME) 45*8kB (M) 27*16kB (ME) 11*32kB (ME) 0*64kB 1*128kB (U) 2*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 29128kB [ 31.921721] Node 0 Normal: 579*4kB (UME) 363*8kB (UMEH) 211*16kB (UMEH) 86*32kB (UME) 32*64kB (UM) 19*128kB (UM) 8*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17876kB [ 31.921775] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 31.921778] 105 total pagecache pages [ 31.921786] 0 pages in swap cache [ 31.921790] Swap cache stats: add 0, delete 0, find 0/0 [ 31.921793] Free swap = 0kB [ 31.921795] Total swap = 0kB [ 31.921798] 1965979 pages RAM [ 31.921800] 0 pages HighMem/MovableOnly [ 31.921803] 328404 pages reserved [ 32.358755] CPU: 1 PID: 3690 Comm: syzkaller552520 Not tainted 4.15.0-rc9+ #283 [ 32.366188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.375525] Call Trace: [ 32.378111] dump_stack+0x194/0x257 [ 32.381736] ? arch_local_irq_restore+0x53/0x53 [ 32.386399] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.391593] dump_header+0x28c/0xe1e [ 32.395307] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.400492] ? pagefault_out_of_memory+0x152/0x152 [ 32.405417] ? print_irqtrace_events+0x270/0x270 [ 32.410168] ? __lock_acquire+0x664/0x3e00 [ 32.414397] ? check_noncircular+0x20/0x20 [ 32.418642] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.423816] ? __lock_acquire+0x664/0x3e00 [ 32.428042] ? check_noncircular+0x20/0x20 [ 32.432262] ? task_will_free_mem+0x252/0xaa0 [ 32.436752] ? print_irqtrace_events+0x270/0x270 [ 32.441506] ? ___ratelimit+0x30d/0x630 [ 32.445470] ? lock_downgrade+0x980/0x980 [ 32.449611] ? lock_release+0xa40/0xa40 [ 32.453579] ? mark_held_locks+0xaf/0x100 [ 32.457717] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 32.462818] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.467826] ? trace_hardirqs_on+0xd/0x10 [ 32.471966] ? ___ratelimit+0x95/0x630 [ 32.475842] ? idr_get_free_cmn+0xfd0/0xfd0 [ 32.480149] ? check_noncircular+0x20/0x20 [ 32.484369] ? find_held_lock+0x138/0x1d0 [ 32.488518] oom_kill_process+0x8b5/0x14a0 [ 32.492749] ? has_ns_capability_noaudit+0x163/0x2a0 [ 32.497842] ? lock_downgrade+0x980/0x980 [ 32.501987] ? oom_evaluate_task+0x480/0x480 [ 32.506387] ? cap_capable+0x1b5/0x230 [ 32.510270] ? security_capable_noaudit+0x8b/0xc0 [ 32.515111] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 32.520204] ? has_capability+0x30/0x30 [ 32.524165] ? do_raw_spin_trylock+0x190/0x190 [ 32.528736] ? check_noncircular+0x20/0x20 [ 32.532970] ? has_capability_noaudit+0x24/0x30 [ 32.537627] ? oom_badness+0xd1/0x980 [ 32.541411] ? lock_release+0xa40/0xa40 [ 32.545379] ? find_lock_task_mm+0x460/0x460 [ 32.549787] ? find_held_lock+0x35/0x1d0 [ 32.553848] ? out_of_memory+0xb3a/0x1220 [ 32.557982] ? lock_downgrade+0x980/0x980 [ 32.562120] ? lock_release+0xa40/0xa40 [ 32.566082] ? lock_acquire+0x1d5/0x580 [ 32.570045] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 32.574972] ? oom_evaluate_task+0x284/0x480 [ 32.579371] out_of_memory+0x86d/0x1220 [ 32.583343] ? oom_killer_disable+0x310/0x310 [ 32.587826] ? mutex_trylock+0x23a/0x2d0 [ 32.591874] ? rcu_pm_notify+0xc0/0xc0 [ 32.595747] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 32.601204] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 32.606086] ? warn_alloc+0x2b0/0x2b0 [ 32.609884] ? warn_alloc+0x2b0/0x2b0 [ 32.613675] ? print_irqtrace_events+0x270/0x270 [ 32.618418] ? warn_alloc+0x2b0/0x2b0 [ 32.622205] ? print_irqtrace_events+0x270/0x270 [ 32.626966] ? __lock_acquire+0x664/0x3e00 [ 32.631203] ? __lock_acquire+0x664/0x3e00 [ 32.635423] ? lock_release+0xa40/0xa40 [ 32.639392] ? should_fail+0x23b/0xa40 [ 32.643273] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 32.648412] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 32.654293] ? __might_sleep+0x95/0x190 [ 32.658265] __alloc_pages_nodemask+0x9fb/0xd80 [ 32.662932] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 32.667930] ? __alloc_pages_nodemask+0xadb/0xd80 [ 32.672771] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 32.673344] syzkaller552520: vmalloc: allocation failure, allocated 390021120 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 32.673349] syzkaller552520 cpuset=/ mems_allowed=0 [ 32.695676] ? ____cache_alloc_node+0x170/0x1e0 [ 32.700333] ? cache_grow_begin+0x307/0x3f0 [ 32.704647] cache_grow_begin+0x72/0x3f0 [ 32.708699] fallback_alloc+0x13b/0x2a0 [ 32.712664] ____cache_alloc_node+0x1cc/0x1e0 [ 32.717148] kmem_cache_alloc+0x287/0x760 [ 32.721276] ? trace_hardirqs_off+0xd/0x10 [ 32.725494] ? exit_to_usermode_loop+0x198/0x310 [ 32.730238] getname_flags+0xcb/0x580 [ 32.734029] user_path_at_empty+0x2d/0x50 [ 32.738169] SyS_chroot+0xb0/0x2b0 [ 32.741696] ? SyS_fchdir+0x180/0x180 [ 32.745475] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.750476] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.755224] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 32.759958] RIP: 0033:0x452d77 [ 32.763126] RSP: 002b:000000000080f528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a1 [ 32.770816] RAX: ffffffffffffffda RBX: 00000000004b80d1 RCX: 0000000000452d77 [ 32.778070] RDX: 0000000000452277 RSI: 0000000000000002 RDI: 00000000004b8268 [ 32.785319] RBP: 0000000000000068 R08: 000000000000001a R09: 0000000000000000 [ 32.792580] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 32.799829] R13: 0000000000000010 R14: 0000000000000000 R15: 0000000000000000 [ 32.807122] CPU: 0 PID: 4580 Comm: syzkaller552520 Not tainted 4.15.0-rc9+ #283 [ 32.807141] Mem-Info: [ 32.807156] active_anon:7102 inactive_anon:63 isolated_anon:0 [ 32.807156] active_file:23 inactive_file:119 isolated_file:12 [ 32.807156] unevictable:0 dirty:0 writeback:0 unstable:0 [ 32.807156] slab_reclaimable:6476 slab_unreclaimable:92415 [ 32.807156] mapped:48 shmem:70 pagetables:435 bounce:0 [ 32.807156] free:99420 free_pcp:252 free_cma:0 [ 32.807170] Node 0 active_anon:28408kB inactive_anon:252kB active_file:92kB inactive_file:476kB unevictable:0kB isolated(anon):0kB isolated(file):48kB mapped:192kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 18432kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 32.807173] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.807186] lowmem_reserve[]: 0 2868 6378 6378 [ 32.807198] Node 0 DMA32 free:356736kB min:30320kB low:37900kB high:45480kB active_anon:224kB inactive_anon:4kB active_file:12kB inactive_file:504kB unevictable:0kB writepending:0kB present:3129332kB managed:2940052kB mlocked:0kB kernel_stack:160kB pagetables:116kB bounce:0kB free_pcp:304kB local_pcp:120kB free_cma:0kB [ 32.807214] lowmem_reserve[]: 0 0 3510 3510 [ 32.807226] Node 0 Normal free:25036kB min:37096kB low:46368kB high:55640kB active_anon:28192kB inactive_anon:248kB active_file:108kB inactive_file:220kB unevictable:0kB writepending:0kB present:4718592kB managed:3594340kB mlocked:0kB kernel_stack:3552kB pagetables:1624kB bounce:0kB free_pcp:704kB local_pcp:0kB free_cma:0kB [ 32.807242] lowmem_reserve[]: 0 0 0 0 [ 32.807254] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 32.807309] Node 0 DMA32: 2*4kB (UE) 1*8kB (M) 1833*16kB (UME) 1899*32kB (UME) 1802*64kB (U) 202*128kB (U) 106*256kB (UME) 86*512kB (UME) 29*1024kB (UME) 2*2048kB (ME) 5*4096kB (UM) = 356736kB [ 32.807368] Node 0 Normal: 706*4kB (UME) 552*8kB (UMEH) 272*16kB (UMEH) 103*32kB (UME) 47*64kB (UM) 27*128kB (UM) 9*256kB (UM) 3*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 25192kB [ 32.807423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 32.807426] 253 total pagecache pages [ 32.807434] 0 pages in swap cache [ 32.807438] Swap cache stats: add 0, delete 0, find 0/0 [ 32.807441] Free swap = 0kB [ 32.807443] Total swap = 0kB [ 32.807446] 1965979 pages RAM [ 32.807448] 0 pages HighMem/MovableOnly [ 32.807451] 328404 pages reserved [ 32.807491] Unreclaimable slab info: [ 32.807509] Name Used Total [ 32.807544] pid_2 124KB 124KB [ 32.807549] hashtab_node 118KB 119KB [ 32.807554] ebitmap_node 925KB 925KB [ 32.807560] avtab_node 1012KB 1013KB [ 32.807571] TIPC 12KB 14KB [ 32.807579] SCTPv6 18KB 20KB [ 32.807587] DCCPv6 21KB 29KB [ 32.807593] DCCP 33KB 33KB [ 32.807610] bridge_fdb_cache 5KB 7KB [ 32.807618] fib6_nodes 28KB 28KB [ 32.807623] ip6_dst_cache 385KB 385KB [ 32.807629] RAWv6 89KB 91KB [ 32.807634] UDPv6 22KB 24KB [ 32.807641] TCPv6 2KB 5KB [ 32.807663] sd_ext_cdb 0KB 3KB [ 32.807668] scsi_sense_cache 70KB 120KB [ 32.807673] virtio_scsi_cmd 16KB 16KB [ 32.807680] sgpool-128 8KB 8KB [ 32.807685] sgpool-64 4KB 6KB [ 32.807690] sgpool-32 70KB 70KB [ 32.807695] sgpool-16 26KB 26KB [ 32.807700] sgpool-8 145KB 153KB [ 32.807706] cfq_io_cq 11KB 19KB [ 32.807711] cfq_queue 18KB 27KB [ 32.807717] mqueue_inode_cache 12KB 14KB [ 32.807723] nfs_commit_data 3KB 7KB [ 32.807728] nfs_write_data 34KB 37KB [ 32.807735] jbd2_inode 1KB 3KB [ 32.807741] ext4_system_zone 0KB 3KB [ 32.807755] bio-1 1KB 3KB [ 32.807761] pid_namespace 3KB 7KB [ 32.807770] rpc_buffers 17KB 19KB [ 32.807774] rpc_tasks 2KB 3KB [ 32.807779] UNIX 747KB 759KB [ 32.807787] tcp_bind_bucket 2KB 4KB [ 32.807795] ip_fib_trie 4KB 7KB [ 32.807799] ip_fib_alias 43KB 43KB [ 32.807804] ip_dst_cache 3KB 7KB [ 32.807809] RAW 53KB 57KB [ 32.807814] UDP 40KB 46KB [ 32.807819] request_sock_TCP 0KB 3KB [ 32.807824] TCP 36KB 39KB [ 32.807829] hugetlbfs_inode_cache 1KB 7KB [ 32.807835] eventpoll_pwq 5KB 15KB [ 32.807839] eventpoll_epi 14KB 23KB [ 32.807844] inotify_inode_mark 3KB 7KB [ 32.807849] request_queue 53KB 135KB [ 32.807855] blkdev_ioc 15KB 23KB [ 32.807860] bio-0 262KB 262KB [ 32.807865] biovec-(1<<(21-12)) 503KB 511KB [ 32.807870] biovec-64 94KB 102KB [ 32.807875] biovec-16 15KB 15KB [ 32.807880] bio_integrity_payload 0KB 4KB [ 32.807884] khugepaged_mm_slot 0KB 3KB [ 32.807891] user_namespace 5KB 7KB [ 32.807896] uid_cache 0KB 3KB [ 32.807901] dmaengine-unmap-2 0KB 3KB [ 32.807906] audit_buffer 0KB 3KB [ 32.807911] skbuff_fclone_cache 206KB 206KB [ 32.807916] skbuff_head_cache 4023KB 4023KB [ 32.807921] configfs_dir_cache 0KB 4KB [ 32.807925] file_lock_cache 155KB 162KB [ 32.807930] file_lock_ctx 1KB 3KB [ 32.807934] fsnotify_mark_connector 2KB 3KB [ 32.807939] net_namespace 60KB 60KB [ 32.807944] shmem_inode_cache 1093KB 1093KB [ 32.807949] task_delay_info 339KB 339KB [ 32.807954] taskstats 3KB 3KB [ 32.807959] sigqueue 385KB 385KB [ 32.807963] kernfs_node_cache 4275KB 4276KB [ 32.807968] mnt_cache 84KB 84KB [ 32.807973] filp 6220KB 8032KB [ 32.807978] names_cache 88310KB 88310KB [ 32.807985] avc_node 40KB 43KB [ 32.807990] selinux_file_security 322KB 492KB [ 32.807995] selinux_inode_security 1687KB 1856KB [ 32.807999] key_jar 3KB 7KB [ 32.808026] nsproxy 4KB 7KB [ 32.808031] vm_area_struct 15416KB 15693KB [ 32.808035] mm_struct 4260KB 4781KB [ 32.808040] fs_cache 452KB 452KB [ 32.808045] files_cache 1528KB 1665KB [ 32.808058] signal_cache 2208KB 2630KB [ 32.808063] sighand_cache 335KB 395KB [ 32.808068] task_struct 8752KB 8807KB [ 32.808073] cred_jar 2316KB 2496KB [ 32.808077] anon_vma_chain 5189KB 6508KB [ 32.808082] anon_vma 211KB 358KB [ 32.808087] pid 131KB 224KB [ 32.808091] Acpi-Operand 106KB 170KB [ 32.808096] Acpi-Parse 0KB 3KB [ 32.808101] Acpi-State 0KB 7KB [ 32.808105] Acpi-Namespace 19KB 23KB [ 32.808111] numa_policy 0KB 3KB [ 32.808116] debug_objects_cache 361KB 403KB [ 32.808121] trace_event_file 148KB 151KB [ 32.808126] ftrace_event_field 258KB 259KB [ 32.808131] pool_workqueue 40KB 40KB [ 32.808137] page->ptl 2663KB 3209KB [ 32.808158] kmalloc-262144 1032KB 1032KB [ 32.808163] kmalloc-131072 650KB 650KB [ 32.808167] kmalloc-65536 264KB 264KB [ 32.808172] kmalloc-32768 35310KB 35442KB [ 32.808177] kmalloc-16384 4240KB 4240KB [ 32.808181] kmalloc-8192 932KB 932KB [ 32.808186] kmalloc-4096 8198KB 8236KB [ 32.808191] kmalloc-2048 6260KB 6260KB [ 32.808195] kmalloc-1024 4168KB 4181KB [ 32.808200] kmalloc-512 4957KB 4957KB [ 32.808204] kmalloc-256 2310KB 2516KB [ 32.808209] kmalloc-128 696KB 696KB [ 32.808213] kmalloc-96 412KB 412KB [ 32.808218] kmalloc-64 778KB 816KB [ 32.808222] kmalloc-32 1769KB 2197KB [ 32.808243] kmalloc-192 356KB 356KB [ 32.808247] kmem_cache 107KB 108KB [ 32.808251] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 32.808314] [ 1843] 0 1843 5385 173 86016 0 -1000 udevd [ 32.808342] [ 3367] 0 3367 2493 574 61440 0 0 dhclient [ 32.808353] [ 3524] 0 3524 14298 175 114688 0 0 rsyslogd [ 32.808363] [ 3579] 0 3579 4725 50 81920 0 0 cron [ 32.808373] [ 3597] 0 3597 3735 44 65536 0 0 mcstransd [ 32.808383] [ 3607] 0 3607 12927 1230 135168 0 0 restorecond [ 32.808394] [ 3625] 0 3625 12490 152 135168 0 -1000 sshd [ 32.808404] [ 3649] 0 3649 3694 40 73728 0 0 getty [ 32.808414] [ 3650] 0 3650 3694 41 73728 0 0 getty [ 32.808424] [ 3651] 0 3651 3694 41 73728 0 0 getty [ 32.808434] [ 3652] 0 3652 3694 41 77824 0 0 getty [ 32.808445] [ 3653] 0 3653 3694 40 73728 0 0 getty [ 32.808455] [ 3654] 0 3654 3694 41 77824 0 0 getty [ 32.808464] [ 3655] 0 3655 3649 41 69632 0 0 getty [ 32.808475] [ 3657] 0 3657 5681 454 86016 0 -1000 udevd [ 32.808485] [ 3658] 0 3658 5681 454 86016 0 -1000 udevd [ 32.808496] [ 3675] 0 3675 17821 198 192512 0 0 sshd [ 32.808506] [ 3677] 0 3677 609 1 36864 0 0 syzkaller552520 [ 32.808516] [ 3678] 0 3678 609 15 36864 0 0 syzkaller552520 [ 32.808528] [ 3679] 0 3679 609 15 36864 0 0 syzkaller552520 [ 32.808538] [ 3680] 0 3680 609 15 36864 0 0 syzkaller552520 [ 32.808548] [ 3681] 0 3681 609 15 36864 0 0 syzkaller552520 [ 32.808559] [ 3682] 0 3682 609 15 36864 0 0 syzkaller552520 [ 32.808569] [ 3683] 0 3683 609 15 36864 0 0 syzkaller552520 [ 32.808580] [ 3684] 0 3684 609 15 36864 0 0 syzkaller552520 [ 32.808589] [ 3685] 0 3685 609 15 36864 0 0 syzkaller552520 [ 32.808600] [ 3686] 0 3686 609 19 36864 0 0 syzkaller552520 [ 32.808610] [ 3687] 0 3687 609 19 36864 0 0 syzkaller552520 [ 32.808620] [ 3688] 0 3688 609 19 36864 0 0 syzkaller552520 [ 32.808632] [ 3690] 0 3690 609 17 36864 0 0 syzkaller552520 [ 32.808643] [ 3691] 0 3691 609 17 36864 0 0 syzkaller552520 [ 32.808653] [ 3692] 0 3692 609 17 36864 0 0 syzkaller552520 [ 32.808663] [ 3693] 0 3693 609 17 36864 0 0 syzkaller552520 [ 32.808676] [ 4082] 0 4081 4803 1563 65536 0 0 syzkaller552520 [ 32.808687] [ 4423] 0 4422 4803 1563 65536 0 0 syzkaller552520 [ 32.808699] [ 4576] 0 4574 4803 0 53248 0 0 syzkaller552520 [ 32.808709] [ 4653] 0 4653 1050 17 53248 0 0 sh [ 32.808719] [ 4655] 0 4655 1050 18 53248 0 0 sh [ 32.808730] [ 4657] 0 4657 1017 44 53248 0 0 sh [ 32.808736] Out of memory: Kill process 4081 (syzkaller552520) score 0 or sacrifice child [ 32.808847] Killed process 4082 (syzkaller552520) total-vm:19212kB, anon-rss:6252kB, file-rss:0kB, shmem-rss:0kB [ 34.047120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.056451] Call Trace: [ 34.059020] dump_stack+0x194/0x257 [ 34.062624] ? arch_local_irq_restore+0x53/0x53 [ 34.067262] ? idr_get_free_cmn+0xfd0/0xfd0 [ 34.071566] warn_alloc+0x19a/0x2b0 [ 34.075166] ? zone_watermark_ok_safe+0x400/0x400 [ 34.079990] ? rcu_note_context_switch+0x710/0x710 [ 34.084905] __vmalloc_node_range+0x482/0x650 [ 34.089381] ? xt_alloc_table_info+0x64/0xe0 [ 34.093759] __vmalloc_node_flags_caller+0x50/0x60 [ 34.098663] ? xt_alloc_table_info+0x64/0xe0 [ 34.103051] kvmalloc_node+0x82/0xd0 [ 34.106742] xt_alloc_table_info+0x64/0xe0 [ 34.110962] do_ip6t_set_ctl+0x29b/0x5f0 [ 34.115011] ? translate_compat_table+0x1c50/0x1c50 [ 34.120034] ? mutex_unlock+0xd/0x10 [ 34.123727] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 34.128978] nf_setsockopt+0x67/0xc0 [ 34.132673] ipv6_setsockopt+0x115/0x150 [ 34.136710] udpv6_setsockopt+0x45/0x80 [ 34.140665] sock_common_setsockopt+0x95/0xd0 [ 34.145147] SyS_setsockopt+0x189/0x360 [ 34.149099] ? SyS_recv+0x40/0x40 [ 34.152529] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 34.157346] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.162335] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.167070] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 34.171798] RIP: 0033:0x452e09 [ 34.174966] RSP: 002b:00007f75a0d63ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 34.182645] RAX: ffffffffffffffda RBX: 000000000070003c RCX: 0000000000452e09 [ 34.189897] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000005 [ 34.197139] RBP: 0000000000700038 R08: 00000000000003b8 R09: 0000000000000000 [ 34.204381] R10: 0000000020019c48 R11: 0000000000000246 R12: 0000000000000000 [ 34.212019] R13: 000000000080f40f R14: 00007f75a0d649c0 R15: 0000000000000006 [ 34.219361] Mem-Info: [ 34.225363] active_anon:7096 inactive_anon:63 isolated_anon:0 [ 34.225363] active_file:54 inactive_file:43 isolated_file:32 [ 34.225363] unevictable:0 dirty:0 writeback:0 unstable:0 [ 34.225363] slab_reclaimable:6476 slab_unreclaimable:92174 [ 34.225363] mapped:77 shmem:70 pagetables:432 bounce:0 [ 34.225363] free:17450 free_pcp:361 free_cma:0 [ 34.258369] Node 0 active_anon:28384kB inactive_anon:252kB active_file:84kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 34.287459] syzkaller552520: vmalloc: allocation failure, allocated 1920868352 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 34.287465] syzkaller552520 cpuset=/ mems_allowed=0 [ 34.287483] CPU: 1 PID: 4082 Comm: syzkaller552520 Not tainted 4.15.0-rc9+ #283 [ 34.287487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.287489] Call Trace: [ 34.287502] dump_stack+0x194/0x257 [ 34.287516] ? arch_local_irq_restore+0x53/0x53 [ 34.287522] ? idr_get_free_cmn+0xfd0/0xfd0 [ 34.287547] warn_alloc+0x19a/0x2b0 [ 34.287560] ? zone_watermark_ok_safe+0x400/0x400 Connection to 10.128.0.5 closed by remote host.