Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 10.282887] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 11.389589] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.57' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 31.534973] audit: type=1400 audit(1544622602.376:5): avc: denied { create } for pid=2051 comm="syz-executor864" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 32.639059] lowmemorykiller: Killing 'restorecond' (1973) (tgid 1973), adj 0, [ 32.639059] to free 4908kB on behalf of 'syz-executor864' (2056) because [ 32.639059] cache 6140kB is below limit 6144kB for oom_score_adj 0 [ 32.639059] Free memory is -13256kB above reserved [ 32.645330] lowmemorykiller: Killing 'sshd' (2046) (tgid 2046), adj 0, [ 32.645330] to free 3276kB on behalf of 'syz-executor864' (2051) because [ 32.645330] cache 6040kB is below limit 6144kB for oom_score_adj 0 [ 32.645330] Free memory is -10692kB above reserved [ 32.668237] lowmemorykiller: Killing 'rsyslogd' (1890) (tgid 1890), adj 0, [ 32.668237] to free 1624kB on behalf of 'sshd' (2046) because [ 32.668237] cache 5940kB is below limit 6144kB for oom_score_adj 0 [ 32.668237] Free memory is -12072kB above reserved [ 32.669263] lowmemorykiller: Killing 'cron' (1947) (tgid 1947), adj 0, [ 32.669263] to free 1324kB on behalf of 'sshd' (2046) because [ 32.669263] cache 5940kB is below limit 6144kB for oom_score_adj 0 [ 32.669263] Free memory is -11372kB above reserved [ 32.670490] lowmemorykiller: Killing 'getty' (2041) (tgid 2041), adj 0, [ 32.670490] to free 1308kB on behalf of 'sshd' (2046) because [ 32.670490] cache 5940kB is below limit 6144kB for oom_score_adj 0 [ 32.670490] Free memory is -10572kB above reserved [ 32.671511] lowmemorykiller: Killing 'getty' (2021) (tgid 2021), adj 0, [ 32.671511] to free 1300kB on behalf of 'sshd' (2046) because [ 32.671511] cache 5940kB is below limit 6144kB for oom_score_adj 0 [ 32.671511] Free memory is -10060kB above reserved [ 32.675102] lowmemorykiller: Killing 'getty' (2040) (tgid 2040), adj 0, [ 32.675102] to free 1300kB on behalf of 'kswapd0' (33) because [ 32.675102] cache 4840kB is below limit 6144kB for oom_score_adj 0 [ 32.675102] Free memory is -8992kB above reserved [ 32.676381] lowmemorykiller: Killing 'getty' (2044) (tgid 2044), adj 0, [ 32.676381] to free 1300kB on behalf of 'kswapd0' (33) because [ 32.676381] cache 4440kB is below limit 6144kB for oom_score_adj 0 [ 32.676381] Free memory is -9384kB above reserved [ 32.676588] lowmemorykiller: Killing 'getty' (2042) (tgid 2042), adj 0, [ 32.676588] to free 1292kB on behalf of 'kswapd0' (33) because [ 32.676588] cache 4240kB is below limit 6144kB for oom_score_adj 0 [ 32.676588] Free memory is -13248kB above reserved [ 32.677789] lowmemorykiller: Killing 'dhclient' (1759) (tgid 1759), adj 0, [ 32.677789] to free 2360kB on behalf of 'syz-executor864' (2060) because [ 32.677789] cache 5940kB is below limit 6144kB for oom_score_adj 0 [ 32.677789] Free memory is -13272kB above reserved [ 32.680040] lowmemorykiller: Killing 'getty' (2045) (tgid 2045), adj 0, [ 32.680040] to free 1276kB on behalf of 'syz-executor864' (2058) because [ 32.680040] cache 3840kB is below limit 6144kB for oom_score_adj 0 [ 32.680040] Free memory is -13332kB above reserved [ 32.702335] lowmemorykiller: Killing 'getty' (2043) (tgid 2043), adj 0, [ 32.702335] to free 524kB on behalf of 'kthreadd' (2) because [ 32.702335] cache 1340kB is below limit 6144kB for oom_score_adj 0 [ 32.702335] Free memory is -11832kB above reserved [ 32.704555] lowmemorykiller: Killing 'init' (1) (tgid 1), adj 0, [ 32.704555] to free 288kB on behalf of 'kthreadd' (2) because [ 32.704555] cache 840kB is below limit 6144kB for oom_score_adj 0 [ 32.704555] Free memory is -11032kB above reserved [ 32.709540] syz-executor864 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=0 [ 32.709546] CPU: 0 PID: 2058 Comm: syz-executor864 Not tainted 4.9.141+ #23 [ 32.709554] ffff8801ce8975c0 ffffffff81b42e79 ffff8801ce897980 ffffffff833e92b0 [ 32.709560] 0000000000000000 ffff8801ce897998 0000000000000000 ffff8801ce897640 [ 32.709565] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 32.709566] Call Trace: [ 32.709576] [] dump_stack+0xc1/0x128 [ 32.709582] [] dump_header.isra.4+0x142/0x747 [ 32.709587] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 32.709591] [] ? ___ratelimit+0x53/0x401 [ 32.709596] [] oom_kill_process.cold.10+0xd/0xa6e [ 32.709602] [] ? has_capability_noaudit+0x24/0x30 [ 32.709608] [] ? check_preemption_disabled+0x3b/0x200 [ 32.709613] [] ? out_of_memory+0x6d4/0xe90 [ 32.709617] [] out_of_memory+0x292/0xe90 [ 32.709621] [] ? out_of_memory+0x410/0xe90 [ 32.709625] [] ? oom_killer_disable+0x200/0x200 [ 32.709630] [] ? trace_hardirqs_on+0xd/0x10 [ 32.709635] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 32.709640] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 32.709644] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 32.709648] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.709654] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.709660] [] __vmalloc_node_range+0x25b/0x600 [ 32.709665] [] ? xt_alloc_table_info+0xc9/0x100 [ 32.709669] [] vmalloc+0x5b/0x70 [ 32.709673] [] ? xt_alloc_table_info+0xc9/0x100 [ 32.709676] [] xt_alloc_table_info+0xc9/0x100 [ 32.709682] [] compat_do_replace.isra.10+0x116/0x380 [ 32.709687] [] ? translate_compat_table+0x1870/0x1870 [ 32.709692] [] ? mutex_lock_nested+0x6b7/0x900 [ 32.709696] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.709701] [] ? __cap_capable+0x168/0x1c0 [ 32.709706] [] ? ns_capable_common+0x12a/0x150 [ 32.709710] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 32.709715] [] compat_nf_setsockopt+0x8b/0x130 [ 32.709720] [] ? compat_do_replace.isra.10+0x380/0x380 [ 32.709725] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 32.709730] [] inet_csk_compat_setsockopt+0x97/0x120 [ 32.709734] [] ? ipv6_setsockopt+0x130/0x130 [ 32.709738] [] compat_tcp_setsockopt+0x3d/0x70 [ 32.709743] [] compat_sock_common_setsockopt+0xb4/0x150 [ 32.709747] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 32.709752] [] compat_SyS_setsockopt+0x169/0x550 [ 32.709756] [] ? sock_common_setsockopt+0xe0/0xe0 [ 32.709760] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 32.709764] [] ? up_read+0x1a/0x40 [ 32.709769] [] ? __do_page_fault+0x554/0xa60 [ 32.709773] [] ? move_addr_to_kernel+0x50/0x50 [ 32.709776] [] ? do_fast_syscall_32+0xcf/0xa10 [ 32.709781] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 32.709784] [] do_fast_syscall_32+0x2f1/0xa10 [ 32.709789] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.709794] [] entry_SYSENTER_compat+0x90/0xa2 [ 32.709796] Mem-Info: [ 32.709805] active_anon:773 inactive_anon:42 isolated_anon:0 [ 32.709805] active_file:21 inactive_file:38 isolated_file:0 [ 32.709805] unevictable:0 dirty:20 writeback:0 unstable:0 [ 32.709805] slab_reclaimable:4231 slab_unreclaimable:56580 [ 32.709805] mapped:36 shmem:48 pagetables:172 bounce:0 [ 32.709805] free:6051 free_pcp:369 free_cma:0 [ 32.709828] Node 0 active_anon:3092kB inactive_anon:168kB active_file:84kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:144kB dirty:80kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:112 all_unreclaimable? no [ 32.709837] DMA32 free:18676kB 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:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 32.709851] Normal free:5528kB min:5580kB low:9168kB high:12756kB active_anon:3092kB inactive_anon:168kB active_file:84kB inactive_file:152kB unevictable:0kB writepending:80kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16924kB slab_unreclaimable:226320kB kernel_stack:3040kB pagetables:688kB bounce:0kB free_pcp:1476kB local_pcp:848kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 32.709882] DMA32: 3*4kB (UM) 4*8kB (UM) 3*16kB (UM) 2*32kB (M) 4*64kB (UM) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18716kB Normal: 238*4kB (UMH) 103*8kB (UMH) 48*16kB (UMH) 28*32kB (UMH) 13*64kB (UMH) 6*128kB (UH) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5552kB 133 total pagecache pages [ 32.709909] 0 pages in swap cache [ 32.709911] Swap cache stats: add 0, delete 0, find 0/0 [ 32.709913] Free swap = 0kB [ 32.709914] Total swap = 0kB [ 32.709915] 1965979 pages RAM [ 32.709916] 0 pages HighMem/MovableOnly [ 32.709917] 313617 pages reserved [ 32.709919] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 32.709928] [ 470] 0 470 5417 199 15 3 0 -1000 udevd [ 32.709934] [ 571] 0 571 5377 173 14 3 0 -1000 udevd [ 32.709939] [ 626] 0 626 5416 199 14 3 0 -1000 udevd [ 32.709945] [ 1945] 0 1945 3735 45 11 3 0 0 mcstransd [ 32.709951] [ 1991] 0 1991 12489 153 27 3 0 -1000 sshd [ 32.709957] [ 2048] 0 2048 4334 1 4 2 0 0 syz-executor864 [ 32.709963] [ 2049] 0 2049 4334 8 4 2 0 0 syz-executor864 [ 32.709968] [ 2050] 0 2050 4334 8 4 2 0 0 syz-executor864 [ 32.709973] [ 2051] 0 2051 4334 8 5 2 0 0 syz-executor864 [ 32.709978] [ 2052] 0 2052 4334 8 4 2 0 0 syz-executor864 [ 32.709984] [ 2053] 0 2053 4334 8 4 2 0 0 syz-executor864 [ 32.709989] [ 2054] 0 2054 4334 8 4 2 0 0 syz-executor864 [ 32.709994] [ 2055] 0 2055 4334 8 4 2 0 0 syz-executor864 [ 32.710000] [ 2056] 0 2056 4334 8 5 2 0 0 syz-executor864 [ 32.710020] [ 2057] 0 2057 4334 8 5 2 0 0 syz-executor864 [ 32.710025] [ 2058] 0 2058 4334 8 5 2 0 0 syz-executor864 [ 32.710047] [ 2059] 0 2059 4334 8 5 2 0 0 syz-executor864 [ 32.710052] [ 2060] 0 2060 4334 8 5 2 0 0 syz-executor864 [ 32.710055] Out of memory: Kill process 1945 (mcstransd) score 0 or sacrifice child [ 32.710185] Killed process 1945 (mcstransd) total-vm:14940kB, anon-rss:180kB, file-rss:0kB, shmem-rss:0kB [ 32.727831] syz-executor864 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=0 [ 32.727836] CPU: 0 PID: 2058 Comm: syz-executor864 Not tainted 4.9.141+ #23 [ 32.727843] ffff8801ce8975c0 ffffffff81b42e79 ffff8801ce897980 ffffffff833e92b0 [ 32.727849] 0000000000000000 ffff8801ce897998 0000000000000000 ffff8801ce897640 [ 32.727854] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 32.727855] Call Trace: [ 32.727861] [] dump_stack+0xc1/0x128 [ 32.727866] [] dump_header.isra.4+0x142/0x747 [ 32.727870] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 32.727874] [] ? ___ratelimit+0x53/0x401 [ 32.727879] [] oom_kill_process.cold.10+0xd/0xa6e [ 32.727884] [] ? has_capability_noaudit+0x24/0x30 [ 32.727888] [] ? check_preemption_disabled+0x3b/0x200 [ 32.727892] [] ? out_of_memory+0x6d4/0xe90 [ 32.727897] [] out_of_memory+0x292/0xe90 [ 32.727900] [] ? out_of_memory+0x410/0xe90 [ 32.727907] [] ? oom_killer_disable+0x200/0x200 [ 32.727911] [] ? trace_hardirqs_on+0xd/0x10 [ 32.727916] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 32.727920] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 32.727925] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 32.727929] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.727934] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.727939] [] __vmalloc_node_range+0x25b/0x600 [ 32.727943] [] ? xt_alloc_table_info+0xc9/0x100 [ 32.727946] [] vmalloc+0x5b/0x70 [ 32.727950] [] ? xt_alloc_table_info+0xc9/0x100 [ 32.727954] [] xt_alloc_table_info+0xc9/0x100 [ 32.727959] [] compat_do_replace.isra.10+0x116/0x380 [ 32.727963] [] ? translate_compat_table+0x1870/0x1870 [ 32.727968] [] ? mutex_lock_nested+0x6b7/0x900 [ 32.727972] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.727977] [] ? __cap_capable+0x168/0x1c0 [ 32.727981] [] ? ns_capable_common+0x12a/0x150 [ 32.727986] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 32.727990] [] compat_nf_setsockopt+0x8b/0x130 [ 32.727994] [] ? compat_do_replace.isra.10+0x380/0x380 [ 32.728000] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 32.728005] [] inet_csk_compat_setsockopt+0x97/0x120 [ 32.728009] [] ? ipv6_setsockopt+0x130/0x130 [ 32.728013] [] compat_tcp_setsockopt+0x3d/0x70 [ 32.728018] [] compat_sock_common_setsockopt+0xb4/0x150 [ 32.728022] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 32.728034] [] compat_SyS_setsockopt+0x169/0x550 [ 32.728038] [] ? sock_common_setsockopt+0xe0/0xe0 [ 32.728042] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 32.728046] [] ? up_read+0x1a/0x40 [ 32.728050] [] ? __do_page_fault+0x554/0xa60 [ 32.728054] [] ? move_addr_to_kernel+0x50/0x50 [ 32.728057] [] ? do_fast_syscall_32+0xcf/0xa10 [ 32.728062] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 32.728065] [] do_fast_syscall_32+0x2f1/0xa10 [ 32.728070] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.728074] [] entry_SYSENTER_compat+0x90/0xa2 [ 32.728076] Mem-Info: [ 32.728085] active_anon:723 inactive_anon:42 isolated_anon:0 [ 32.728085] active_file:21 inactive_file:38 isolated_file:0 [ 32.728085] unevictable:0 dirty:20 writeback:0 unstable:0 [ 32.728085] slab_reclaimable:4231 slab_unreclaimable:56580 [ 32.728085] mapped:36 shmem:48 pagetables:135 bounce:0 [ 32.728085] free:6059 free_pcp:368 free_cma:0 [ 32.728093] Node 0 active_anon:2892kB inactive_anon:168kB active_file:84kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:144kB dirty:80kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 32.728102] DMA32 free:18676kB 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:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 32.728117] Normal free:5560kB min:5580kB low:9168kB high:12756kB active_anon:2892kB inactive_anon:168kB active_file:84kB inactive_file:152kB unevictable:0kB writepending:80kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16924kB slab_unreclaimable:226320kB kernel_stack:3008kB pagetables:540kB bounce:0kB free_pcp:1472kB local_pcp:844kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 32.728147] DMA32: 3*4kB (UM) 4*8kB (UM) 3*16kB (UM) 2*32kB (M) 4*64kB (UM) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18716kB Normal: 262*4kB (UMH) 99*8kB (UMH) 40*16kB (UMH) 33*32kB (UMH) 12*64kB (UMH) 6*128kB (UH) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5584kB 133 total pagecache pages [ 32.728172] 0 pages in swap cache [ 32.728174] Swap cache stats: add 0, delete 0, find 0/0 [ 32.728175] Free swap = 0kB [ 32.728176] Total swap = 0kB [ 32.728177] 1965979 pages RAM [ 32.728179] 0 pages HighMem/MovableOnly [ 32.728180] 313617 pages reserved [ 32.728181] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 32.728190] [ 470] 0 470 5417 199 15 3 0 -1000 udevd [ 32.728196] [ 571] 0 571 5377 173 14 3 0 -1000 udevd [ 32.728201] [ 626] 0 626 5416 199 14 3 0 -1000 udevd [ 32.728208] [ 1991] 0 1991 12489 153 27 3 0 -1000 sshd [ 32.728214] [ 2048] 0 2048 4334 1 4 2 0 0 syz-executor864 [ 32.728220] [ 2049] 0 2049 4334 8 4 2 0 0 syz-executor864 [ 32.728225] [ 2050] 0 2050 4334 8 4 2 0 0 syz-executor864 [ 32.728231] [ 2051] 0 2051 4334 8 5 2 0 0 syz-executor864 [ 32.728236] [ 2052] 0 2052 4334 8 4 2 0 0 syz-executor864 [ 32.728241] [ 2053] 0 2053 4334 8 4 2 0 0 syz-executor864 [ 32.728247] [ 2054] 0 2054 4334 8 4 2 0 0 syz-executor864 [ 32.728252] [ 2055] 0 2055 4334 8 4 2 0 0 syz-executor864 [ 32.728258] [ 2056] 0 2056 4334 8 5 2 0 0 syz-executor864 [ 32.728263] [ 2057] 0 2057 4334 8 5 2 0 0 syz-executor864 [ 32.728268] [ 2058] 0 2058 4334 8 5 2 0 0 syz-executor864 [ 32.728274] [ 2059] 0 2059 4334 8 5 2 0 0 syz-executor864 [ 32.728279] [ 2060] 0 2060 4334 8 5 2 0 0 syz-executor864 [ 32.728282] Out of memory: Kill process 2051 (syz-executor864) score 0 or sacrifice child [ 32.728290] Killed process 2051 (syz-executor864) total-vm:17336kB, anon-rss:32kB, file-rss:0kB, shmem-rss:0kB [ 32.751934] oom_reaper: reaped process 2051 (syz-executor864), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 32.756641] syz-executor864 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=0 [ 32.756646] CPU: 0 PID: 2058 Comm: syz-executor864 Not tainted 4.9.141+ #23 [ 32.756669] ffff8801ce8975c0 ffffffff81b42e79 ffff8801ce897980 ffffffff833e92b0 [ 32.756674] 0000000000000000 ffff8801ce897998 0000000000000000 ffff8801ce897640 [ 32.756679] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 32.756680] Call Trace: [ 32.756687] [] dump_stack+0xc1/0x128 [ 32.756692] [] dump_header.isra.4+0x142/0x747 [ 32.756696] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 32.756700] [] ? ___ratelimit+0x53/0x401 [ 32.756705] [] oom_kill_process.cold.10+0xd/0xa6e [ 32.756710] [] ? has_capability_noaudit+0x24/0x30 [ 32.756714] [] ? check_preemption_disabled+0x3b/0x200 [ 32.756725] [] ? out_of_memory+0x6d4/0xe90 [ 32.756729] [] out_of_memory+0x292/0xe90 [ 32.756733] [] ? out_of_memory+0x410/0xe90 [ 32.756738] [] ? oom_killer_disable+0x200/0x200 [ 32.756742] [] ? trace_hardirqs_on+0xd/0x10 [ 32.756746] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 32.756751] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 32.756756] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 32.756760] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.756780] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.756784] [] __vmalloc_node_range+0x25b/0x600 [ 32.756788] [] ? xt_alloc_table_info+0xc9/0x100 [ 32.756792] [] vmalloc+0x5b/0x70 [ 32.756795] [] ? xt_alloc_table_info+0xc9/0x100 [ 32.756799] [] xt_alloc_table_info+0xc9/0x100 [ 32.756804] [] compat_do_replace.isra.10+0x116/0x380 [ 32.756808] [] ? translate_compat_table+0x1870/0x1870 [ 32.756812] [] ? mutex_lock_nested+0x6b7/0x900 [ 32.756816] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.756821] [] ? __cap_capable+0x168/0x1c0 [ 32.756825] [] ? ns_capable_common+0x12a/0x150 [ 32.756830] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 32.756834] [] compat_nf_setsockopt+0x8b/0x130 [ 32.756838] [] ? compat_do_replace.isra.10+0x380/0x380 [ 32.756859] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 32.756864] [] inet_csk_compat_setsockopt+0x97/0x120 [ 32.756868] [] ? ipv6_setsockopt+0x130/0x130 [ 32.756872] [] compat_tcp_setsockopt+0x3d/0x70 [ 32.756876] [] compat_sock_common_setsockopt+0xb4/0x150 [ 32.756881] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 32.756885] [] compat_SyS_setsockopt+0x169/0x550 [ 32.756889] [] ? sock_common_setsockopt+0xe0/0xe0 [ 32.756893] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 32.756898] [] ? up_read+0x1a/0x40 [ 32.756907] [] ? __do_page_fault+0x554/0xa60 [ 32.756911] [] ? move_addr_to_kernel+0x50/0x50 [ 32.756915] [] ? do_fast_syscall_32+0xcf/0xa10 [ 32.756919] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 32.756923] [] do_fast_syscall_32+0x2f1/0xa10 [ 32.756928] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.756932] [] entry_SYSENTER_compat+0x90/0xa2 [ 32.757425] Mem-Info: [ 32.757435] active_anon:718 inactive_anon:42 isolated_anon:0 [ 32.757435] active_file:25 inactive_file:25 isolated_file:0 [ 32.757435] unevictable:0 dirty:0 writeback:0 unstable:0 [ 32.757435] slab_reclaimable:4233 slab_unreclaimable:56569 [ 32.757435] mapped:26 shmem:48 pagetables:144 bounce:0 [ 32.757435] free:6061 free_pcp:38 free_cma:0 [ 32.757443] Node 0 active_anon:2872kB inactive_anon:168kB active_file:100kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:104kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:931 all_unreclaimable? no [ 32.757453] DMA32 free:18696kB 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:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 32.757467] Normal free:5548kB min:5580kB low:9168kB high:12756kB active_anon:2872kB inactive_anon:168kB active_file:100kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2976kB pagetables:576kB bounce:0kB free_pcp:152kB local_pcp:152kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 32.757508] DMA32: 3*4kB (UM) 4*8kB (UM) 3*16kB (UM) 2*32kB (M) 4*64kB (UM) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18716kB Normal: 280*4kB (MH) 118*8kB (MH) 45*16kB (UMH) 34*32kB (UMH) 9*64kB (MH) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5600kB 117 total pagecache pages [ 32.757533] 0 pages in swap cache [ 32.757536] Swap cache stats: add 0, delete 0, find 0/0 [ 32.757537] Free swap = 0kB [ 32.757538] Total swap = 0kB [ 32.757539] 1965979 pages RAM [ 32.757540] 0 pages HighMem/MovableOnly [ 32.757542] 313617 pages reserved [ 32.757543] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 32.757552] [ 470] 0 470 5417 199 15 3 0 -1000 udevd [ 32.757558] [ 571] 0 571 5377 173 14 3 0 -1000 udevd [ 32.757563] [ 626] 0 626 5416 199 14 3 0 -1000 udevd [ 32.757570] [ 1991] 0 1991 12489 153 27 3 0 -1000 sshd [ 32.757576] [ 2048] 0 2048 4334 1 4 2 0 0 syz-executor864 [ 32.757582] [ 2049] 0 2049 4334 8 4 2 0 0 syz-executor864 [ 32.757587] [ 2050] 0 2050 4334 8 4 2 0 0 syz-executor864 [ 32.757593] [ 2051] 0 2051 4334 0 5 2 0 0 syz-executor864 [ 32.757598] [ 2052] 0 2052 4334 8 4 2 0 0 syz-executor864 [ 32.757604] [ 2053] 0 2053 4334 8 4 2 0 0 syz-executor864 [ 32.757609] [ 2054] 0 2054 4334 8 4 2 0 0 syz-executor864 [ 32.757615] [ 2055] 0 2055 4334 8 4 2 0 0 syz-executor864 [ 32.757620] [ 2056] 0 2056 4334 8 5 2 0 0 syz-executor864 [ 32.757625] [ 2057] 0 2057 4334 8 5 2 0 0 syz-executor864 [ 32.757631] [ 2058] 0 2058 4334 8 5 2 0 0 syz-executor864 [ 32.757636] [ 2059] 0 2059 4334 8 5 2 0 0 syz-executor864 [ 32.757641] [ 2060] 0 2060 4334 8 5 2 0 0 syz-executor864 [ 32.757644] Out of memory: Kill process 2056 (syz-executor864) score 0 or sacrifice child [ 32.757657] Killed process 2056 (syz-executor864) total-vm:17336kB, anon-rss:32kB, file-rss:0kB, shmem-rss:0kB [ 32.815352] syz-executor864: vmalloc: allocation failure, allocated 967086080 of 3364392960 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 32.815357] CPU: 0 PID: 2051 Comm: syz-executor864 Not tainted 4.9.141+ #23 [ 32.815365] ffff8801ce94f8c0 ffffffff81b42e79 1ffff10039d29f1a dffffc0000000000 [ 32.815370] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801ce94fa08 [ 32.815375] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 32.815376] Call Trace: [ 32.815385] [] dump_stack+0xc1/0x128 [ 32.815391] [] warn_alloc.cold.31+0x7f/0x9c [ 32.815397] [] ? zone_watermark_ok_safe+0x250/0x250 [ 32.815403] [] __vmalloc_node_range+0x3f8/0x600 [ 32.815409] [] ? xt_alloc_table_info+0xc9/0x100 [ 32.815413] [] vmalloc+0x5b/0x70 [ 32.815416] [] ? xt_alloc_table_info+0xc9/0x100 [ 32.815420] [] xt_alloc_table_info+0xc9/0x100 [ 32.815426] [] compat_do_replace.isra.10+0x116/0x380 [ 32.815431] [] ? translate_compat_table+0x1870/0x1870 [ 32.815437] [] ? mutex_lock_nested+0x6b7/0x900 [ 32.815442] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.815448] [] ? __cap_capable+0x168/0x1c0 [ 32.815454] [] ? ns_capable_common+0x12a/0x150 [ 32.815458] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 32.815463] [] compat_nf_setsockopt+0x8b/0x130 [ 32.815468] [] ? compat_do_replace.isra.10+0x380/0x380 [ 32.815474] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 32.815480] [] inet_csk_compat_setsockopt+0x97/0x120 [ 32.815484] [] ? ipv6_setsockopt+0x130/0x130 [ 32.815488] [] compat_tcp_setsockopt+0x3d/0x70 [ 32.815503] [] compat_sock_common_setsockopt+0xb4/0x150 [ 32.815508] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 32.815513] [] compat_SyS_setsockopt+0x169/0x550 [ 32.815517] [] ? sock_common_setsockopt+0xe0/0xe0 [ 32.815521] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 32.815526] [] ? up_read+0x1a/0x40 [ 32.815531] [] ? __do_page_fault+0x554/0xa60 [ 32.815535] [] ? move_addr_to_kernel+0x50/0x50 [ 32.815539] [] ? do_fast_syscall_32+0xcf/0xa10 [ 32.815543] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 32.815547] [] do_fast_syscall_32+0x2f1/0xa10 [ 32.815552] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.815557] [] entry_SYSENTER_compat+0x90/0xa2 [ 32.815559] Mem-Info: [ 32.815569] active_anon:712 inactive_anon:42 isolated_anon:0 [ 32.815569] active_file:29 inactive_file:44 isolated_file:0 [ 32.815569] unevictable:0 dirty:0 writeback:0 unstable:0 [ 32.815569] slab_reclaimable:4233 slab_unreclaimable:56569 [ 32.815569] mapped:23 shmem:48 pagetables:144 bounce:0 [ 32.815569] free:686 free_pcp:0 free_cma:0 [ 32.815576] Node 0 active_anon:2848kB inactive_anon:168kB active_file:116kB inactive_file:176kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 32.815586] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 32.815616] Normal free:2748kB min:5580kB low:9168kB high:12756kB active_anon:2848kB inactive_anon:168kB active_file:116kB inactive_file:176kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2976kB pagetables:576kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 32.815636] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 36*4kB (H) 32*8kB (H) 17*16kB (H) 16*32kB (H) 6*64kB (H) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2720kB 143 total pagecache pages [ 32.815660] 0 pages in swap cache [ 32.815662] Swap cache stats: add 0, delete 0, find 0/0 [ 32.815663] Free swap = 0kB [ 32.815664] Total swap = 0kB [ 32.815666] 1965979 pages RAM [ 32.815667] 0 pages HighMem/MovableOnly [ 32.815668] 313617 pages reserved [ 33.003288] oom_reaper: reaped process 2056 (syz-executor864), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.003609] syz-executor864 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=0 [ 33.003615] CPU: 1 PID: 2058 Comm: syz-executor864 Not tainted 4.9.141+ #23 [ 33.003626] ffff8801ce8975c0 ffffffff81b42e79 ffff8801ce897980 ffffffff833e92b0 [ 33.003631] 0000000000000000 ffff8801ce897998 0000000000000000 ffff8801ce897640 [ 33.003637] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 33.003638] Call Trace: [ 33.003652] [] dump_stack+0xc1/0x128 [ 33.003660] [] dump_header.isra.4+0x142/0x747 [ 33.003666] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.003671] [] ? ___ratelimit+0x53/0x401 [ 33.003681] [] oom_kill_process.cold.10+0xd/0xa6e [ 33.003689] [] ? has_capability_noaudit+0x24/0x30 [ 33.003696] [] ? check_preemption_disabled+0x3b/0x200 [ 33.003703] [] ? out_of_memory+0x6d4/0xe90 [ 33.003707] [] out_of_memory+0x292/0xe90 [ 33.003711] [] ? out_of_memory+0x410/0xe90 [ 33.003715] [] ? oom_killer_disable+0x200/0x200 [ 33.003721] [] ? trace_hardirqs_on+0xd/0x10 [ 33.003726] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 33.003730] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 33.003735] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 33.003739] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.003746] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.003752] [] __vmalloc_node_range+0x25b/0x600 [ 33.003758] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.003762] [] vmalloc+0x5b/0x70 [ 33.003766] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.003769] [] xt_alloc_table_info+0xc9/0x100 [ 33.003776] [] compat_do_replace.isra.10+0x116/0x380 [ 33.003780] [] ? translate_compat_table+0x1870/0x1870 [ 33.003787] [] ? mutex_lock_nested+0x6b7/0x900 [ 33.003791] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.003797] [] ? __cap_capable+0x168/0x1c0 [ 33.003802] [] ? ns_capable_common+0x12a/0x150 [ 33.003806] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 33.003812] [] compat_nf_setsockopt+0x8b/0x130 [ 33.003816] [] ? compat_do_replace.isra.10+0x380/0x380 [ 33.003822] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 33.003829] [] inet_csk_compat_setsockopt+0x97/0x120 [ 33.003833] [] ? ipv6_setsockopt+0x130/0x130 [ 33.003838] [] compat_tcp_setsockopt+0x3d/0x70 [ 33.003844] [] compat_sock_common_setsockopt+0xb4/0x150 [ 33.003848] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 33.003855] [] compat_SyS_setsockopt+0x169/0x550 [ 33.003859] [] ? sock_common_setsockopt+0xe0/0xe0 [ 33.003864] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.003869] [] ? up_read+0x1a/0x40 [ 33.003874] [] ? __do_page_fault+0x554/0xa60 [ 33.003878] [] ? move_addr_to_kernel+0x50/0x50 [ 33.003882] [] ? do_fast_syscall_32+0xcf/0xa10 [ 33.003886] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.003890] [] do_fast_syscall_32+0x2f1/0xa10 [ 33.003895] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.003899] [] entry_SYSENTER_compat+0x90/0xa2 [ 33.003902] Mem-Info: [ 33.003912] active_anon:712 inactive_anon:42 isolated_anon:0 [ 33.003912] active_file:23 inactive_file:25 isolated_file:0 [ 33.003912] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.003912] slab_reclaimable:4233 slab_unreclaimable:56569 [ 33.003912] mapped:23 shmem:48 pagetables:144 bounce:0 [ 33.003912] free:686 free_pcp:3 free_cma:0 [ 33.003920] Node 0 active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 33.003930] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.003944] Normal free:2748kB min:5580kB low:9168kB high:12756kB active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2976kB pagetables:576kB bounce:0kB free_pcp:12kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.003966] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 74*4kB (UMH) 32*8kB (H) 17*16kB (H) 16*32kB (H) 6*64kB (H) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2872kB 118 total pagecache pages [ 33.003991] 0 pages in swap cache [ 33.003993] Swap cache stats: add 0, delete 0, find 0/0 [ 33.003994] Free swap = 0kB [ 33.003995] Total swap = 0kB [ 33.003997] 1965979 pages RAM [ 33.003998] 0 pages HighMem/MovableOnly [ 33.003999] 313617 pages reserved [ 33.004001] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 33.004011] [ 470] 0 470 5417 199 15 3 0 -1000 udevd [ 33.004018] [ 571] 0 571 5377 173 14 3 0 -1000 udevd [ 33.004024] [ 626] 0 626 5416 199 14 3 0 -1000 udevd [ 33.004030] [ 1991] 0 1991 12489 153 27 3 0 -1000 sshd [ 33.004036] [ 2048] 0 2048 4334 1 4 2 0 0 syz-executor864 [ 33.004042] [ 2049] 0 2049 4334 8 4 2 0 0 syz-executor864 [ 33.004047] [ 2050] 0 2050 4334 8 4 2 0 0 syz-executor864 [ 33.004053] [ 2051] 0 2051 4334 0 5 2 0 0 syz-executor864 [ 33.004059] [ 2052] 0 2052 4334 8 4 2 0 0 syz-executor864 [ 33.004064] [ 2053] 0 2053 4334 8 4 2 0 0 syz-executor864 [ 33.004070] [ 2054] 0 2054 4334 8 4 2 0 0 syz-executor864 [ 33.004075] [ 2055] 0 2055 4334 8 4 2 0 0 syz-executor864 [ 33.004081] [ 2056] 0 2056 4334 0 5 2 0 0 syz-executor864 [ 33.004087] [ 2057] 0 2057 4334 8 5 2 0 0 syz-executor864 [ 33.004092] [ 2058] 0 2058 4334 8 5 2 0 0 syz-executor864 [ 33.004098] [ 2059] 0 2059 4334 8 5 2 0 0 syz-executor864 [ 33.004103] [ 2060] 0 2060 4334 8 5 2 0 0 syz-executor864 [ 33.004107] Out of memory: Kill process 2057 (syz-executor864) score 0 or sacrifice child [ 33.004120] Killed process 2057 (syz-executor864) total-vm:17336kB, anon-rss:32kB, file-rss:0kB, shmem-rss:0kB [ 33.022433] oom_reaper: reaped process 2057 (syz-executor864), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.022862] syz-executor864 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=0 [ 33.022867] CPU: 1 PID: 2058 Comm: syz-executor864 Not tainted 4.9.141+ #23 [ 33.022875] ffff8801ce8975c0 ffffffff81b42e79 ffff8801ce897980 ffffffff833e92b0 [ 33.022880] 0000000000000000 ffff8801ce897998 0000000000000000 ffff8801ce897640 [ 33.022885] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 33.022886] Call Trace: [ 33.022909] [] dump_stack+0xc1/0x128 [ 33.022914] [] dump_header.isra.4+0x142/0x747 [ 33.022919] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.022922] [] ? ___ratelimit+0x53/0x401 [ 33.022927] [] oom_kill_process.cold.10+0xd/0xa6e [ 33.022932] [] ? has_capability_noaudit+0x24/0x30 [ 33.022937] [] ? check_preemption_disabled+0x3b/0x200 [ 33.022941] [] ? out_of_memory+0x6d4/0xe90 [ 33.022945] [] out_of_memory+0x292/0xe90 [ 33.022949] [] ? out_of_memory+0x410/0xe90 [ 33.022953] [] ? oom_killer_disable+0x200/0x200 [ 33.022957] [] ? trace_hardirqs_on+0xd/0x10 [ 33.022962] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 33.022966] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 33.022971] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 33.022975] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.022979] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.022984] [] __vmalloc_node_range+0x25b/0x600 [ 33.022988] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.022991] [] vmalloc+0x5b/0x70 [ 33.022995] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.022999] [] xt_alloc_table_info+0xc9/0x100 [ 33.023004] [] compat_do_replace.isra.10+0x116/0x380 [ 33.023008] [] ? translate_compat_table+0x1870/0x1870 [ 33.023012] [] ? mutex_lock_nested+0x6b7/0x900 [ 33.023016] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.023021] [] ? __cap_capable+0x168/0x1c0 [ 33.023025] [] ? ns_capable_common+0x12a/0x150 [ 33.023029] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 33.023033] [] compat_nf_setsockopt+0x8b/0x130 [ 33.023038] [] ? compat_do_replace.isra.10+0x380/0x380 [ 33.023042] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 33.023062] [] inet_csk_compat_setsockopt+0x97/0x120 [ 33.023066] [] ? ipv6_setsockopt+0x130/0x130 [ 33.023070] [] compat_tcp_setsockopt+0x3d/0x70 [ 33.023074] [] compat_sock_common_setsockopt+0xb4/0x150 [ 33.023078] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 33.023099] [] compat_SyS_setsockopt+0x169/0x550 [ 33.023102] [] ? sock_common_setsockopt+0xe0/0xe0 [ 33.023106] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.023110] [] ? up_read+0x1a/0x40 [ 33.023115] [] ? __do_page_fault+0x554/0xa60 [ 33.023134] [] ? move_addr_to_kernel+0x50/0x50 [ 33.023137] [] ? do_fast_syscall_32+0xcf/0xa10 [ 33.023157] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.023160] [] do_fast_syscall_32+0x2f1/0xa10 [ 33.023164] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.023168] [] entry_SYSENTER_compat+0x90/0xa2 [ 33.023170] Mem-Info: [ 33.023180] active_anon:712 inactive_anon:42 isolated_anon:0 [ 33.023180] active_file:23 inactive_file:25 isolated_file:0 [ 33.023180] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.023180] slab_reclaimable:4233 slab_unreclaimable:56569 [ 33.023180] mapped:23 shmem:48 pagetables:144 bounce:0 [ 33.023180] free:686 free_pcp:9 free_cma:0 [ 33.023187] Node 0 active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 33.023196] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.023209] Normal free:2748kB min:5580kB low:9168kB high:12756kB active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2976kB pagetables:576kB bounce:0kB free_pcp:36kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.023243] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 74*4kB (UMH) 32*8kB (H) 17*16kB (H) 16*32kB (H) 6*64kB (H) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2872kB 118 total pagecache pages [ 33.023282] 0 pages in swap cache [ 33.023300] Swap cache stats: add 0, delete 0, find 0/0 [ 33.023301] Free swap = 0kB [ 33.023302] Total swap = 0kB [ 33.023303] 1965979 pages RAM [ 33.023304] 0 pages HighMem/MovableOnly [ 33.023306] 313617 pages reserved [ 33.023307] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 33.023317] [ 470] 0 470 5417 199 15 3 0 -1000 udevd [ 33.023322] [ 571] 0 571 5377 173 14 3 0 -1000 udevd [ 33.023328] [ 626] 0 626 5416 199 14 3 0 -1000 udevd [ 33.023334] [ 1991] 0 1991 12489 153 27 3 0 -1000 sshd [ 33.023341] [ 2048] 0 2048 4334 1 4 2 0 0 syz-executor864 [ 33.023346] [ 2049] 0 2049 4334 8 4 2 0 0 syz-executor864 [ 33.023352] [ 2050] 0 2050 4334 8 4 2 0 0 syz-executor864 [ 33.023357] [ 2051] 0 2051 4334 0 5 2 0 0 syz-executor864 [ 33.023363] [ 2052] 0 2052 4334 8 4 2 0 0 syz-executor864 [ 33.023369] [ 2053] 0 2053 4334 8 4 2 0 0 syz-executor864 [ 33.023375] [ 2054] 0 2054 4334 8 4 2 0 0 syz-executor864 [ 33.023381] [ 2055] 0 2055 4334 8 4 2 0 0 syz-executor864 [ 33.023386] [ 2056] 0 2056 4334 0 5 2 0 0 syz-executor864 [ 33.023391] [ 2057] 0 2057 4334 0 5 2 0 0 syz-executor864 [ 33.023397] [ 2058] 0 2058 4334 8 5 2 0 0 syz-executor864 [ 33.023402] [ 2059] 0 2059 4334 8 5 2 0 0 syz-executor864 [ 33.023408] [ 2060] 0 2060 4334 8 5 2 0 0 syz-executor864 [ 33.023411] Out of memory: Kill process 2058 (syz-executor864) score 0 or sacrifice child [ 33.023420] Killed process 2058 (syz-executor864) total-vm:17336kB, anon-rss:32kB, file-rss:0kB, shmem-rss:0kB [ 33.023688] syz-executor864: vmalloc: allocation failure, allocated 1149325312 of 3364392960 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 33.023692] CPU: 1 PID: 2057 Comm: syz-executor864 Not tainted 4.9.141+ #23 [ 33.023699] ffff8801ce8bf8c0 ffffffff81b42e79 1ffff10039d17f1a dffffc0000000000 [ 33.023705] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801ce8bfa08 [ 33.023710] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 33.023711] Call Trace: [ 33.023717] [] dump_stack+0xc1/0x128 [ 33.023722] [] warn_alloc.cold.31+0x7f/0x9c [ 33.023727] [] ? zone_watermark_ok_safe+0x250/0x250 [ 33.023731] [] ? check_preemption_disabled+0x3b/0x200 [ 33.023736] [] __vmalloc_node_range+0x3f8/0x600 [ 33.023740] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.023744] [] vmalloc+0x5b/0x70 [ 33.023748] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.023751] [] xt_alloc_table_info+0xc9/0x100 [ 33.023756] [] compat_do_replace.isra.10+0x116/0x380 [ 33.023761] [] ? translate_compat_table+0x1870/0x1870 [ 33.023765] [] ? mutex_lock_nested+0x6b7/0x900 [ 33.023770] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.023774] [] ? __cap_capable+0x168/0x1c0 [ 33.023779] [] ? ns_capable_common+0x12a/0x150 [ 33.023784] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 33.023788] [] compat_nf_setsockopt+0x8b/0x130 [ 33.023793] [] ? compat_do_replace.isra.10+0x380/0x380 [ 33.023797] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 33.023803] [] inet_csk_compat_setsockopt+0x97/0x120 [ 33.023807] [] ? ipv6_setsockopt+0x130/0x130 [ 33.023811] [] compat_tcp_setsockopt+0x3d/0x70 [ 33.023815] [] compat_sock_common_setsockopt+0xb4/0x150 [ 33.023820] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 33.023824] [] compat_SyS_setsockopt+0x169/0x550 [ 33.023828] [] ? sock_common_setsockopt+0xe0/0xe0 [ 33.023833] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.023837] [] ? up_read+0x1a/0x40 [ 33.023841] [] ? __do_page_fault+0x554/0xa60 [ 33.023845] [] ? move_addr_to_kernel+0x50/0x50 [ 33.023849] [] ? do_fast_syscall_32+0xcf/0xa10 [ 33.023853] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.023856] [] do_fast_syscall_32+0x2f1/0xa10 [ 33.023861] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.023866] [] entry_SYSENTER_compat+0x90/0xa2 [ 33.023867] Mem-Info: [ 33.023876] active_anon:712 inactive_anon:42 isolated_anon:0 [ 33.023876] active_file:23 inactive_file:25 isolated_file:0 [ 33.023876] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.023876] slab_reclaimable:4233 slab_unreclaimable:56569 [ 33.023876] mapped:23 shmem:48 pagetables:144 bounce:0 [ 33.023876] free:686 free_pcp:9 free_cma:0 [ 33.023883] Node 0 active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 33.023893] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.023907] Normal free:2748kB min:5580kB low:9168kB high:12756kB active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2976kB pagetables:576kB bounce:0kB free_pcp:36kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.023926] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 36*4kB (H) 32*8kB (H) 17*16kB (H) 16*32kB (H) 6*64kB (H) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2720kB 118 total pagecache pages [ 33.023950] 0 pages in swap cache [ 33.023952] Swap cache stats: add 0, delete 0, find 0/0 [ 33.023953] Free swap = 0kB [ 33.023954] Total swap = 0kB [ 33.023956] 1965979 pages RAM [ 33.023957] 0 pages HighMem/MovableOnly [ 33.023958] 313617 pages reserved [ 33.026620] syz-executor864: vmalloc: allocation failure, allocated 1077518336 of 3364392960 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 33.026624] CPU: 1 PID: 2058 Comm: syz-executor864 Not tainted 4.9.141+ #23 [ 33.026631] ffff8801ce8978c0 ffffffff81b42e79 1ffff10039d12f1a dffffc0000000000 [ 33.026636] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801ce897a08 [ 33.026642] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 33.026643] Call Trace: [ 33.026649] [] dump_stack+0xc1/0x128 [ 33.026653] [] warn_alloc.cold.31+0x7f/0x9c [ 33.026658] [] ? zone_watermark_ok_safe+0x250/0x250 [ 33.026663] [] __vmalloc_node_range+0x3f8/0x600 [ 33.026667] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.026671] [] vmalloc+0x5b/0x70 [ 33.026682] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.026686] [] xt_alloc_table_info+0xc9/0x100 [ 33.026691] [] compat_do_replace.isra.10+0x116/0x380 [ 33.026696] [] ? translate_compat_table+0x1870/0x1870 [ 33.026700] [] ? mutex_lock_nested+0x6b7/0x900 [ 33.026705] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.026709] [] ? __cap_capable+0x168/0x1c0 [ 33.026714] [] ? ns_capable_common+0x12a/0x150 [ 33.026719] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 33.026723] [] compat_nf_setsockopt+0x8b/0x130 [ 33.026727] [] ? compat_do_replace.isra.10+0x380/0x380 [ 33.026732] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 33.026737] [] inet_csk_compat_setsockopt+0x97/0x120 [ 33.026742] [] ? ipv6_setsockopt+0x130/0x130 [ 33.026746] [] compat_tcp_setsockopt+0x3d/0x70 [ 33.026750] [] compat_sock_common_setsockopt+0xb4/0x150 [ 33.026754] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 33.026759] [] compat_SyS_setsockopt+0x169/0x550 [ 33.026763] [] ? sock_common_setsockopt+0xe0/0xe0 [ 33.026767] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.026771] [] ? up_read+0x1a/0x40 [ 33.026775] [] ? __do_page_fault+0x554/0xa60 [ 33.026779] [] ? move_addr_to_kernel+0x50/0x50 [ 33.026782] [] ? do_fast_syscall_32+0xcf/0xa10 [ 33.026787] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.026790] [] do_fast_syscall_32+0x2f1/0xa10 [ 33.026795] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.026799] [] entry_SYSENTER_compat+0x90/0xa2 [ 33.026804] Mem-Info: [ 33.026813] active_anon:712 inactive_anon:42 isolated_anon:0 [ 33.026813] active_file:23 inactive_file:25 isolated_file:0 [ 33.026813] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.026813] slab_reclaimable:4233 slab_unreclaimable:56569 [ 33.026813] mapped:23 shmem:48 pagetables:144 bounce:0 [ 33.026813] free:686 free_pcp:9 free_cma:0 [ 33.026824] Node 0 active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 33.026836] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.026853] Normal free:2748kB min:5580kB low:9168kB high:12756kB active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2976kB pagetables:576kB bounce:0kB free_pcp:52kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.026878] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB [ 33.026879] oom_reaper: reaped process 2058 (syz-executor864), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.026886] 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 36*4kB (H) 32*8kB (H) 17*16kB (H) 16*32kB (H) 6*64kB (H) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2720kB 118 total pagecache pages [ 33.026910] 0 pages in swap cache [ 33.026912] Swap cache stats: add 0, delete 0, find 0/0 [ 33.026913] Free swap = 0kB [ 33.026914] Total swap = 0kB [ 33.026915] 1965979 pages RAM [ 33.026917] 0 pages HighMem/MovableOnly [ 33.026918] 313617 pages reserved [ 33.036643] syz-executor864 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=0 [ 33.036648] CPU: 0 PID: 2060 Comm: syz-executor864 Not tainted 4.9.141+ #23 [ 33.036657] ffff8801cf8475c0 ffffffff81b42e79 ffff8801cf847980 ffffffff833e92b0 [ 33.036662] 0000000000000000 ffff8801cf847998 0000000000000000 ffff8801cf847640 [ 33.036667] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 33.036668] Call Trace: [ 33.036679] [] dump_stack+0xc1/0x128 [ 33.036686] [] dump_header.isra.4+0x142/0x747 [ 33.036691] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.036695] [] ? ___ratelimit+0x53/0x401 [ 33.036700] [] oom_kill_process.cold.10+0xd/0xa6e [ 33.036706] [] ? has_capability_noaudit+0x24/0x30 [ 33.036712] [] ? check_preemption_disabled+0x3b/0x200 [ 33.036718] [] ? out_of_memory+0x6d4/0xe90 [ 33.036722] [] out_of_memory+0x292/0xe90 [ 33.036725] [] ? out_of_memory+0x410/0xe90 [ 33.036730] [] ? oom_killer_disable+0x200/0x200 [ 33.036735] [] ? trace_hardirqs_on+0xd/0x10 [ 33.036740] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 33.036751] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 33.036756] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 33.036760] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.036766] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.036771] [] __vmalloc_node_range+0x25b/0x600 [ 33.036777] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.036781] [] vmalloc+0x5b/0x70 [ 33.036785] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.036788] [] xt_alloc_table_info+0xc9/0x100 [ 33.036794] [] compat_do_replace.isra.10+0x116/0x380 [ 33.036799] [] ? translate_compat_table+0x1870/0x1870 [ 33.036805] [] ? mutex_lock_nested+0x6b7/0x900 [ 33.036809] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.036816] [] ? __cap_capable+0x168/0x1c0 [ 33.036820] [] ? ns_capable_common+0x12a/0x150 [ 33.036824] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 33.036830] [] compat_nf_setsockopt+0x8b/0x130 [ 33.036834] [] ? compat_do_replace.isra.10+0x380/0x380 [ 33.036841] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 33.036847] [] inet_csk_compat_setsockopt+0x97/0x120 [ 33.036852] [] ? ipv6_setsockopt+0x130/0x130 [ 33.036856] [] compat_tcp_setsockopt+0x3d/0x70 [ 33.036861] [] compat_sock_common_setsockopt+0xb4/0x150 [ 33.036865] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 33.036872] [] compat_SyS_setsockopt+0x169/0x550 [ 33.036876] [] ? sock_common_setsockopt+0xe0/0xe0 [ 33.036880] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.036885] [] ? up_read+0x1a/0x40 [ 33.036890] [] ? __do_page_fault+0x554/0xa60 [ 33.036894] [] ? move_addr_to_kernel+0x50/0x50 [ 33.036898] [] ? do_fast_syscall_32+0xcf/0xa10 [ 33.036909] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.036913] [] do_fast_syscall_32+0x2f1/0xa10 [ 33.036918] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.036923] [] entry_SYSENTER_compat+0x90/0xa2 [ 33.036925] Mem-Info: [ 33.036934] active_anon:712 inactive_anon:42 isolated_anon:0 [ 33.036934] active_file:23 inactive_file:25 isolated_file:0 [ 33.036934] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.036934] slab_reclaimable:4233 slab_unreclaimable:56569 [ 33.036934] mapped:23 shmem:48 pagetables:144 bounce:0 [ 33.036934] free:686 free_pcp:15 free_cma:0 [ 33.036942] Node 0 active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 33.036952] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.036966] Normal free:2748kB min:5580kB low:9168kB high:12756kB active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2976kB pagetables:576kB bounce:0kB free_pcp:60kB local_pcp:60kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.036990] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 36*4kB (H) 32*8kB (H) 17*16kB (H) 16*32kB (H) 6*64kB (H) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2720kB 118 total pagecache pages [ 33.037015] 0 pages in swap cache [ 33.037018] Swap cache stats: add 0, delete 0, find 0/0 [ 33.037019] Free swap = 0kB [ 33.037020] Total swap = 0kB [ 33.037021] 1965979 pages RAM [ 33.037022] 0 pages HighMem/MovableOnly [ 33.037023] 313617 pages reserved [ 33.037025] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 33.037034] [ 470] 0 470 5417 199 15 3 0 -1000 udevd [ 33.037040] [ 571] 0 571 5377 173 14 3 0 -1000 udevd [ 33.037046] [ 626] 0 626 5416 199 14 3 0 -1000 udevd [ 33.037053] [ 1991] 0 1991 12489 153 27 3 0 -1000 sshd [ 33.037059] [ 2048] 0 2048 4334 1 4 2 0 0 syz-executor864 [ 33.037073] [ 2049] 0 2049 4334 8 4 2 0 0 syz-executor864 [ 33.037079] [ 2050] 0 2050 4334 8 4 2 0 0 syz-executor864 [ 33.037084] [ 2051] 0 2051 4334 0 5 2 0 0 syz-executor864 [ 33.037090] [ 2052] 0 2052 4334 8 4 2 0 0 syz-executor864 [ 33.037095] [ 2053] 0 2053 4334 8 4 2 0 0 syz-executor864 [ 33.037101] [ 2054] 0 2054 4334 8 4 2 0 0 syz-executor864 [ 33.037106] [ 2055] 0 2055 4334 8 4 2 0 0 syz-executor864 [ 33.037112] [ 2056] 0 2056 4334 0 5 2 0 0 syz-executor864 [ 33.037117] [ 2057] 0 2057 4334 0 5 2 0 0 syz-executor864 [ 33.037123] [ 2058] 0 2058 4334 0 5 2 0 0 syz-executor864 [ 33.037129] [ 2059] 0 2059 4334 8 5 2 0 0 syz-executor864 [ 33.037134] [ 2060] 0 2060 4334 8 5 2 0 0 syz-executor864 [ 33.037137] Out of memory: Kill process 2059 (syz-executor864) score 0 or sacrifice child [ 33.037148] Killed process 2059 (syz-executor864) total-vm:17336kB, anon-rss:32kB, file-rss:0kB, shmem-rss:0kB [ 33.046145] syz-executor864: vmalloc: allocation failure, allocated 946958336 of 3364392960 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 33.046150] CPU: 1 PID: 2059 Comm: syz-executor864 Not tainted 4.9.141+ #23 [ 33.046157] ffff8801c41a78c0 ffffffff81b42e79 1ffff10038834f1a dffffc0000000000 [ 33.046162] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801c41a7a08 [ 33.046168] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 33.046169] Call Trace: [ 33.046176] [] dump_stack+0xc1/0x128 [ 33.046187] [] warn_alloc.cold.31+0x7f/0x9c [ 33.046192] [] ? zone_watermark_ok_safe+0x250/0x250 [ 33.046196] [] ? retint_kernel+0x2d/0x2d [ 33.046201] [] __vmalloc_node_range+0x3f8/0x600 [ 33.046205] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.046209] [] vmalloc+0x5b/0x70 [ 33.046213] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.046217] [] xt_alloc_table_info+0xc9/0x100 [ 33.046221] [] compat_do_replace.isra.10+0x116/0x380 [ 33.046226] [] ? translate_compat_table+0x1870/0x1870 [ 33.046230] [] ? mutex_lock_nested+0x6b7/0x900 [ 33.046235] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.046239] [] ? __cap_capable+0x168/0x1c0 [ 33.046245] [] ? ns_capable_common+0x12a/0x150 [ 33.046250] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 33.046254] [] compat_nf_setsockopt+0x8b/0x130 [ 33.046258] [] ? compat_do_replace.isra.10+0x380/0x380 [ 33.046263] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 33.046268] [] inet_csk_compat_setsockopt+0x97/0x120 [ 33.046273] [] ? ipv6_setsockopt+0x130/0x130 [ 33.046276] [] compat_tcp_setsockopt+0x3d/0x70 [ 33.046281] [] compat_sock_common_setsockopt+0xb4/0x150 [ 33.046285] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 33.046290] [] compat_SyS_setsockopt+0x169/0x550 [ 33.046294] [] ? sock_common_setsockopt+0xe0/0xe0 [ 33.046298] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.046303] [] ? up_read+0x1a/0x40 [ 33.046307] [] ? __do_page_fault+0x554/0xa60 [ 33.046310] [] ? move_addr_to_kernel+0x50/0x50 [ 33.046314] [] ? do_fast_syscall_32+0xcf/0xa10 [ 33.046318] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.046322] [] do_fast_syscall_32+0x2f1/0xa10 [ 33.046327] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.046331] [] entry_SYSENTER_compat+0x90/0xa2 [ 33.046350] Mem-Info: [ 33.046359] active_anon:712 inactive_anon:42 isolated_anon:0 [ 33.046359] active_file:23 inactive_file:25 isolated_file:0 [ 33.046359] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.046359] slab_reclaimable:4233 slab_unreclaimable:56569 [ 33.046359] mapped:23 shmem:48 pagetables:144 bounce:0 [ 33.046359] free:686 free_pcp:15 free_cma:0 [ 33.046367] Node 0 active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 33.046376] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.046391] Normal free:2748kB min:5580kB low:9168kB high:12756kB active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2976kB pagetables:576kB bounce:0kB free_pcp:60kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.046410] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 36*4kB (H) 32*8kB (H) 17*16kB (H) 16*32kB (H) 6*64kB (H) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2720kB 118 total pagecache pages [ 33.046435] 0 pages in swap cache [ 33.046437] Swap cache stats: add 0, delete 0, find 0/0 [ 33.046438] Free swap = 0kB [ 33.046439] Total swap = 0kB [ 33.046440] 1965979 pages RAM [ 33.046441] 0 pages HighMem/MovableOnly [ 33.046442] 313617 pages reserved [ 33.066305] oom_reaper: reaped process 2059 (syz-executor864), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.066579] kthreadd invoked oom-killer: gfp_mask=0x27080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK), nodemask=0, order=3, oom_score_adj=0 [ 33.066584] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.9.141+ #23 [ 33.066591] ffff8801da62f780 ffffffff81b42e79 ffff8801da62fb40 ffffffff833e92b0 [ 33.066597] 0000000000000000 ffff8801da62fb58 0000000000000003 ffff8801da62f800 [ 33.066602] ffffffff814fb526 0000000000000003 0000000000000000 ffffffff82816fa5 [ 33.066603] Call Trace: [ 33.066610] [] dump_stack+0xc1/0x128 [ 33.066615] [] dump_header.isra.4+0x142/0x747 [ 33.066619] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.066623] [] ? ___ratelimit+0x53/0x401 [ 33.066627] [] oom_kill_process.cold.10+0xd/0xa6e [ 33.066632] [] ? has_capability_noaudit+0x24/0x30 [ 33.066637] [] ? check_preemption_disabled+0x3b/0x200 [ 33.066641] [] ? out_of_memory+0x6d4/0xe90 [ 33.066646] [] out_of_memory+0x292/0xe90 [ 33.066649] [] ? out_of_memory+0x410/0xe90 [ 33.066654] [] ? oom_killer_disable+0x200/0x200 [ 33.066658] [] ? trace_hardirqs_on+0xd/0x10 [ 33.066663] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 33.066667] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 33.066672] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 33.066684] [] ? ___slab_alloc.constprop.33+0x1ba/0x470 [ 33.066690] [] ? avc_has_perm_noaudit+0x2f0/0x2f0 [ 33.066697] [] ? copy_process.part.8+0x1677/0x6a10 [ 33.066704] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 33.066708] [] ? kmem_cache_alloc+0x246/0x2b0 [ 33.066712] [] copy_process.part.8+0x280/0x6a10 [ 33.066720] [] ? kthread_park+0xa0/0xa0 [ 33.066724] [] ? __cleanup_sighand+0x40/0x40 [ 33.066728] [] ? trace_hardirqs_on+0x10/0x10 [ 33.066732] [] _do_fork+0x1b2/0xd30 [ 33.066737] [] ? kthread_park+0xa0/0xa0 [ 33.066741] [] ? fork_idle+0x270/0x270 [ 33.066745] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 33.066749] [] ? kthreadd+0x1cc/0x420 [ 33.066752] [] ? kthreadd+0x293/0x420 [ 33.066756] [] ? kthread_park+0xa0/0xa0 [ 33.066760] [] kernel_thread+0x34/0x40 [ 33.066764] [] kthreadd+0x2a7/0x420 [ 33.066769] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.066775] [] ? finish_task_switch+0x1e9/0x640 [ 33.066779] [] ? __switch_to_asm+0x34/0x70 [ 33.066783] [] ? __switch_to_asm+0x40/0x70 [ 33.066787] [] ? __switch_to_asm+0x34/0x70 [ 33.066791] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.066795] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.066799] [] ret_from_fork+0x5c/0x70 [ 33.066801] Mem-Info: [ 33.066810] active_anon:712 inactive_anon:42 isolated_anon:0 [ 33.066810] active_file:23 inactive_file:25 isolated_file:0 [ 33.066810] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.066810] slab_reclaimable:4233 slab_unreclaimable:56569 [ 33.066810] mapped:23 shmem:48 pagetables:144 bounce:0 [ 33.066810] free:686 free_pcp:21 free_cma:0 [ 33.066817] Node 0 active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 33.066827] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.066841] Normal free:2748kB min:5580kB low:9168kB high:12756kB active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2976kB pagetables:576kB bounce:0kB free_pcp:84kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.066861] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 36*4kB (H) 32*8kB (H) 17*16kB (H) 16*32kB (H) 6*64kB (H) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2720kB 118 total pagecache pages [ 33.066917] 0 pages in swap cache [ 33.066935] Swap cache stats: add 0, delete 0, find 0/0 [ 33.066936] Free swap = 0kB [ 33.066937] Total swap = 0kB [ 33.066938] 1965979 pages RAM [ 33.066939] 0 pages HighMem/MovableOnly [ 33.066940] 313617 pages reserved [ 33.066941] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 33.066951] [ 470] 0 470 5417 199 15 3 0 -1000 udevd [ 33.066972] [ 571] 0 571 5377 173 14 3 0 -1000 udevd [ 33.066978] [ 626] 0 626 5416 199 14 3 0 -1000 udevd [ 33.066984] [ 1991] 0 1991 12489 153 27 3 0 -1000 sshd [ 33.066991] [ 2048] 0 2048 4334 1 4 2 0 0 syz-executor864 [ 33.066996] [ 2049] 0 2049 4334 8 4 2 0 0 syz-executor864 [ 33.067001] [ 2050] 0 2050 4334 8 4 2 0 0 syz-executor864 [ 33.067007] [ 2051] 0 2051 4334 0 5 2 0 0 syz-executor864 [ 33.067013] [ 2052] 0 2052 4334 8 4 2 0 0 syz-executor864 [ 33.067018] [ 2053] 0 2053 4334 8 4 2 0 0 syz-executor864 [ 33.067023] [ 2054] 0 2054 4334 8 4 2 0 0 syz-executor864 [ 33.067029] [ 2055] 0 2055 4334 8 4 2 0 0 syz-executor864 [ 33.067034] [ 2056] 0 2056 4334 0 5 2 0 0 syz-executor864 [ 33.067040] [ 2057] 0 2057 4334 0 5 2 0 0 syz-executor864 [ 33.067046] [ 2058] 0 2058 4334 0 5 2 0 0 syz-executor864 [ 33.067051] [ 2059] 0 2059 4334 0 5 2 0 0 syz-executor864 [ 33.067057] [ 2060] 0 2060 4334 8 5 2 0 0 syz-executor864 [ 33.067060] Out of memory: Kill process 2060 (syz-executor864) score 0 or sacrifice child [ 33.067070] Killed process 2060 (syz-executor864) total-vm:17336kB, anon-rss:32kB, file-rss:0kB, shmem-rss:0kB [ 33.086195] syz-executor864: vmalloc: allocation failure, allocated 1152942080 of 3364392960 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 33.086199] CPU: 0 PID: 2060 Comm: syz-executor864 Not tainted 4.9.141+ #23 [ 33.086206] ffff8801cf8478c0 ffffffff81b42e79 1ffff10039f08f1a dffffc0000000000 [ 33.086211] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801cf847a08 [ 33.086216] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 33.086217] Call Trace: [ 33.086224] [] dump_stack+0xc1/0x128 [ 33.086229] [] warn_alloc.cold.31+0x7f/0x9c [ 33.086233] [] ? zone_watermark_ok_safe+0x250/0x250 [ 33.086238] [] __vmalloc_node_range+0x3f8/0x600 [ 33.086242] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.086247] [] vmalloc+0x5b/0x70 [ 33.086251] [] ? xt_alloc_table_info+0xc9/0x100 [ 33.086255] [] xt_alloc_table_info+0xc9/0x100 [ 33.086259] [] compat_do_replace.isra.10+0x116/0x380 [ 33.086263] [] ? translate_compat_table+0x1870/0x1870 [ 33.086268] [] ? mutex_lock_nested+0x6b7/0x900 [ 33.086272] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.086277] [] ? __cap_capable+0x168/0x1c0 [ 33.086282] [] ? ns_capable_common+0x12a/0x150 [ 33.086286] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 33.086290] [] compat_nf_setsockopt+0x8b/0x130 [ 33.086294] [] ? compat_do_replace.isra.10+0x380/0x380 [ 33.086299] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 33.086304] [] inet_csk_compat_setsockopt+0x97/0x120 [ 33.086308] [] ? ipv6_setsockopt+0x130/0x130 [ 33.086311] [] compat_tcp_setsockopt+0x3d/0x70 [ 33.086316] [] compat_sock_common_setsockopt+0xb4/0x150 [ 33.086319] [] ? do_tcp_setsockopt.isra.5+0x1ca0/0x1ca0 [ 33.086324] [] compat_SyS_setsockopt+0x169/0x550 [ 33.086328] [] ? sock_common_setsockopt+0xe0/0xe0 [ 33.086332] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.086336] [] ? up_read+0x1a/0x40 [ 33.086340] [] ? __do_page_fault+0x554/0xa60 [ 33.086343] [] ? move_addr_to_kernel+0x50/0x50 [ 33.086347] [] ? do_fast_syscall_32+0xcf/0xa10 [ 33.086351] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 33.086354] [] do_fast_syscall_32+0x2f1/0xa10 [ 33.086359] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.086363] [] entry_SYSENTER_compat+0x90/0xa2 [ 33.086365] Mem-Info: [ 33.086373] active_anon:712 inactive_anon:42 isolated_anon:0 [ 33.086373] active_file:23 inactive_file:25 isolated_file:0 [ 33.086373] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.086373] slab_reclaimable:4233 slab_unreclaimable:56569 [ 33.086373] mapped:23 shmem:48 pagetables:144 bounce:0 [ 33.086373] free:686 free_pcp:15 free_cma:0 [ 33.086380] Node 0 active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 33.086389] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.086402] Normal free:2748kB min:5580kB low:9168kB high:12756kB active_anon:2848kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2976kB pagetables:576kB bounce:0kB free_pcp:60kB local_pcp:60kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.086420] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 36*4kB (H) 32*8kB (H) 17*16kB (H) 16*32kB (H) 6*64kB (H) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2720kB 118 total pagecache pages [ 33.086443] 0 pages in swap cache [ 33.086445] Swap cache stats: add 0, delete 0, find 0/0 [ 33.086446] Free swap = 0kB [ 33.086447] Total swap = 0kB [ 33.086448] 1965979 pages RAM [ 33.086449] 0 pages HighMem/MovableOnly [ 33.086450] 313617 pages reserved [ 33.088259] oom_reaper: reaped process 2060 (syz-executor864), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 33.088720] kthreadd invoked oom-killer: gfp_mask=0x27080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK), nodemask=0, order=3, oom_score_adj=0 [ 33.088724] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.9.141+ #23 [ 33.088732] ffff8801da62f780 ffffffff81b42e79 ffff8801da62fb40 ffffffff833e92b0 [ 33.088737] 0000000000000000 ffff8801da62fb58 0000000000000003 ffff8801da62f800 [ 33.088742] ffffffff814fb526 0000000000000003 0000000000000000 ffffffff82816fa5 [ 33.088743] Call Trace: [ 33.088750] [] dump_stack+0xc1/0x128 [ 33.088755] [] dump_header.isra.4+0x142/0x747 [ 33.088759] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.088763] [] ? ___ratelimit+0x53/0x401 [ 33.088768] [] oom_kill_process.cold.10+0xd/0xa6e [ 33.088772] [] ? has_capability_noaudit+0x24/0x30 [ 33.088777] [] ? check_preemption_disabled+0x3b/0x200 [ 33.088781] [] ? out_of_memory+0x6d4/0xe90 [ 33.088791] [] out_of_memory+0x292/0xe90 [ 33.088796] [] ? out_of_memory+0x410/0xe90 [ 33.088800] [] ? oom_killer_disable+0x200/0x200 [ 33.088804] [] ? trace_hardirqs_on+0xd/0x10 [ 33.088808] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 33.088813] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 33.088818] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 33.088823] [] ? ___slab_alloc.constprop.33+0x1ba/0x470 [ 33.088828] [] ? avc_has_perm_noaudit+0x2f0/0x2f0 [ 33.088832] [] ? copy_process.part.8+0x1677/0x6a10 [ 33.088837] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 33.088841] [] ? kmem_cache_alloc+0x246/0x2b0 [ 33.088846] [] copy_process.part.8+0x280/0x6a10 [ 33.088851] [] ? kthread_park+0xa0/0xa0 [ 33.088855] [] ? __cleanup_sighand+0x40/0x40 [ 33.088859] [] ? trace_hardirqs_on+0x10/0x10 [ 33.088863] [] _do_fork+0x1b2/0xd30 [ 33.088867] [] ? kthread_park+0xa0/0xa0 [ 33.088871] [] ? fork_idle+0x270/0x270 [ 33.088875] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 33.088879] [] ? kthreadd+0x1cc/0x420 [ 33.088883] [] ? kthreadd+0x293/0x420 [ 33.088887] [] ? kthread_park+0xa0/0xa0 [ 33.088891] [] kernel_thread+0x34/0x40 [ 33.088895] [] kthreadd+0x2a7/0x420 [ 33.088900] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.088905] [] ? finish_task_switch+0x1e9/0x640 [ 33.088908] [] ? __switch_to_asm+0x34/0x70 [ 33.088912] [] ? __switch_to_asm+0x40/0x70 [ 33.088916] [] ? __switch_to_asm+0x34/0x70 [ 33.088920] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.088924] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.088928] [] ret_from_fork+0x5c/0x70 [ 33.088949] Mem-Info: [ 33.088958] active_anon:687 inactive_anon:42 isolated_anon:0 [ 33.088958] active_file:23 inactive_file:25 isolated_file:0 [ 33.088958] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.088958] slab_reclaimable:4233 slab_unreclaimable:56569 [ 33.088958] mapped:23 shmem:48 pagetables:144 bounce:0 [ 33.088958] free:686 free_pcp:21 free_cma:0 [ 33.088965] Node 0 active_anon:2748kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 33.088975] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.088989] Normal free:2748kB min:5580kB low:9168kB high:12756kB active_anon:2748kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2976kB pagetables:576kB bounce:0kB free_pcp:84kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.089010] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 36*4kB (H) 32*8kB (H) 17*16kB (H) 16*32kB (H) 6*64kB (H) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2720kB 118 total pagecache pages [ 33.089035] 0 pages in swap cache [ 33.089037] Swap cache stats: add 0, delete 0, find 0/0 [ 33.089038] Free swap = 0kB [ 33.089039] Total swap = 0kB [ 33.089040] 1965979 pages RAM [ 33.089041] 0 pages HighMem/MovableOnly [ 33.089043] 313617 pages reserved [ 33.089044] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 33.089053] [ 470] 0 470 5417 199 15 3 0 -1000 udevd [ 33.089058] [ 571] 0 571 5377 173 14 3 0 -1000 udevd [ 33.089064] [ 626] 0 626 5416 199 14 3 0 -1000 udevd [ 33.089070] [ 1991] 0 1991 12489 153 27 3 0 -1000 sshd [ 33.089076] [ 2048] 0 2048 4334 1 4 2 0 0 syz-executor864 [ 33.089081] [ 2049] 0 2049 4334 8 4 2 0 0 syz-executor864 [ 33.089087] [ 2050] 0 2050 4334 8 4 2 0 0 syz-executor864 [ 33.089092] [ 2051] 0 2051 4334 0 5 2 0 0 syz-executor864 [ 33.089098] [ 2052] 0 2052 4334 8 4 2 0 0 syz-executor864 [ 33.089103] [ 2053] 0 2053 4334 8 4 2 0 0 syz-executor864 [ 33.089109] [ 2054] 0 2054 4334 8 4 2 0 0 syz-executor864 [ 33.089114] [ 2055] 0 2055 4334 8 4 2 0 0 syz-executor864 [ 33.089119] [ 2056] 0 2056 4334 0 5 2 0 0 syz-executor864 [ 33.089125] [ 2057] 0 2057 4334 0 5 2 0 0 syz-executor864 [ 33.089130] [ 2058] 0 2058 4334 0 5 2 0 0 syz-executor864 [ 33.089136] [ 2059] 0 2059 4334 0 5 2 0 0 syz-executor864 [ 33.089142] [ 2060] 0 2060 4334 0 5 2 0 0 syz-executor864 [ 33.089145] Out of memory: Kill process 2049 (syz-executor864) score 0 or sacrifice child [ 33.089165] Killed process 2049 (syz-executor864) total-vm:17336kB, anon-rss:32kB, file-rss:0kB, shmem-rss:0kB [ 33.106629] kthreadd invoked oom-killer: gfp_mask=0x27080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK), nodemask=0, order=3, oom_score_adj=0 [ 33.106633] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.9.141+ #23 [ 33.106641] ffff8801da62f780 ffffffff81b42e79 ffff8801da62fb40 ffffffff833e92b0 [ 33.106646] 0000000000000000 ffff8801da62fb58 0000000000000003 ffff8801da62f800 [ 33.106651] ffffffff814fb526 0000000000000003 0000000000000000 ffffffff82816fa5 [ 33.106652] Call Trace: [ 33.106659] [] dump_stack+0xc1/0x128 [ 33.106664] [] dump_header.isra.4+0x142/0x747 [ 33.106668] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.106672] [] ? ___ratelimit+0x53/0x401 [ 33.106682] [] oom_kill_process.cold.10+0xd/0xa6e [ 33.106687] [] ? has_capability_noaudit+0x24/0x30 [ 33.106692] [] ? check_preemption_disabled+0x3b/0x200 [ 33.106696] [] ? out_of_memory+0x6d4/0xe90 [ 33.106700] [] out_of_memory+0x292/0xe90 [ 33.106704] [] ? out_of_memory+0x410/0xe90 [ 33.106708] [] ? oom_killer_disable+0x200/0x200 [ 33.106712] [] ? trace_hardirqs_on+0xd/0x10 [ 33.106717] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 33.106722] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 33.106726] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 33.106731] [] ? ___slab_alloc.constprop.33+0x1ba/0x470 [ 33.106736] [] ? avc_has_perm_noaudit+0x2f0/0x2f0 [ 33.106740] [] ? copy_process.part.8+0x1677/0x6a10 [ 33.106745] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 33.106749] [] ? kmem_cache_alloc+0x246/0x2b0 [ 33.106753] [] copy_process.part.8+0x280/0x6a10 [ 33.106758] [] ? kthread_park+0xa0/0xa0 [ 33.106763] [] ? __cleanup_sighand+0x40/0x40 [ 33.106766] [] ? trace_hardirqs_on+0x10/0x10 [ 33.106770] [] _do_fork+0x1b2/0xd30 [ 33.106775] [] ? kthread_park+0xa0/0xa0 [ 33.106779] [] ? fork_idle+0x270/0x270 [ 33.106782] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 33.106787] [] ? kthreadd+0x1cc/0x420 [ 33.106791] [] ? kthreadd+0x293/0x420 [ 33.106795] [] ? kthread_park+0xa0/0xa0 [ 33.106799] [] kernel_thread+0x34/0x40 [ 33.106803] [] kthreadd+0x2a7/0x420 [ 33.106807] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.106812] [] ? finish_task_switch+0x1e9/0x640 [ 33.106815] [] ? __switch_to_asm+0x34/0x70 [ 33.106819] [] ? __switch_to_asm+0x40/0x70 [ 33.106822] [] ? __switch_to_asm+0x34/0x70 [ 33.106827] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.106831] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.106835] [] ret_from_fork+0x5c/0x70 [ 33.106836] Mem-Info: [ 33.106846] active_anon:687 inactive_anon:42 isolated_anon:0 [ 33.106846] active_file:23 inactive_file:25 isolated_file:0 [ 33.106846] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.106846] slab_reclaimable:4233 slab_unreclaimable:56569 [ 33.106846] mapped:23 shmem:48 pagetables:144 bounce:0 [ 33.106846] free:686 free_pcp:33 free_cma:0 [ 33.106853] Node 0 active_anon:2748kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 33.106863] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.106892] Normal free:2748kB min:5580kB low:9168kB high:12756kB active_anon:2748kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2944kB pagetables:576kB bounce:0kB free_pcp:132kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.106912] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 36*4kB (H) 32*8kB (H) 17*16kB (H) 17*32kB (UH) 6*64kB (H) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2752kB 118 total pagecache pages [ 33.106936] 0 pages in swap cache [ 33.106938] Swap cache stats: add 0, delete 0, find 0/0 [ 33.106939] Free swap = 0kB [ 33.106940] Total swap = 0kB [ 33.106941] 1965979 pages RAM [ 33.106942] 0 pages HighMem/MovableOnly [ 33.106943] 313617 pages reserved [ 33.106945] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 33.106953] [ 470] 0 470 5417 199 15 3 0 -1000 udevd [ 33.106959] [ 571] 0 571 5377 173 14 3 0 -1000 udevd [ 33.106964] [ 626] 0 626 5416 199 14 3 0 -1000 udevd [ 33.106970] [ 1991] 0 1991 12489 153 27 3 0 -1000 sshd [ 33.106976] [ 2048] 0 2048 4334 1 4 2 0 0 syz-executor864 [ 33.106982] [ 2050] 0 2050 4334 8 4 2 0 0 syz-executor864 [ 33.106987] [ 2051] 0 2051 4334 0 5 2 0 0 syz-executor864 [ 33.106993] [ 2052] 0 2052 4334 8 4 2 0 0 syz-executor864 [ 33.106999] [ 2053] 0 2053 4334 8 4 2 0 0 syz-executor864 [ 33.107004] [ 2054] 0 2054 4334 8 4 2 0 0 syz-executor864 [ 33.107010] [ 2055] 0 2055 4334 8 4 2 0 0 syz-executor864 [ 33.107015] [ 2056] 0 2056 4334 0 5 2 0 0 syz-executor864 [ 33.107036] [ 2057] 0 2057 4334 0 5 2 0 0 syz-executor864 [ 33.107041] [ 2058] 0 2058 4334 0 5 2 0 0 syz-executor864 [ 33.107046] [ 2059] 0 2059 4334 0 5 2 0 0 syz-executor864 [ 33.107052] [ 2060] 0 2060 4334 0 5 2 0 0 syz-executor864 [ 33.107054] Out of memory: Kill process 2050 (syz-executor864) score 0 or sacrifice child [ 33.107064] Killed process 2050 (syz-executor864) total-vm:17336kB, anon-rss:32kB, file-rss:0kB, shmem-rss:0kB [ 33.127481] kthreadd invoked oom-killer: gfp_mask=0x27080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK), nodemask=0, order=3, oom_score_adj=0 [ 33.127486] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.9.141+ #23 [ 33.127503] ffff8801da62f780 ffffffff81b42e79 ffff8801da62fb40 ffffffff833e92b0 [ 33.127508] 0000000000000000 ffff8801da62fb58 0000000000000003 ffff8801da62f800 [ 33.127513] ffffffff814fb526 0000000000000003 0000000000000000 ffffffff82816fa5 [ 33.127515] Call Trace: [ 33.127521] [] dump_stack+0xc1/0x128 [ 33.127526] [] dump_header.isra.4+0x142/0x747 [ 33.127530] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.127534] [] ? ___ratelimit+0x53/0x401 [ 33.127539] [] oom_kill_process.cold.10+0xd/0xa6e [ 33.127543] [] ? has_capability_noaudit+0x24/0x30 [ 33.127548] [] ? check_preemption_disabled+0x3b/0x200 [ 33.127552] [] ? out_of_memory+0x6d4/0xe90 [ 33.127556] [] out_of_memory+0x292/0xe90 [ 33.127560] [] ? out_of_memory+0x410/0xe90 [ 33.127565] [] ? oom_killer_disable+0x200/0x200 [ 33.127569] [] ? trace_hardirqs_on+0xd/0x10 [ 33.127573] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 33.127577] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 33.127582] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 33.127587] [] ? ___slab_alloc.constprop.33+0x1ba/0x470 [ 33.127591] [] ? avc_has_perm_noaudit+0x2f0/0x2f0 [ 33.127596] [] ? copy_process.part.8+0x1677/0x6a10 [ 33.127616] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 33.127620] [] ? kmem_cache_alloc+0x246/0x2b0 [ 33.127625] [] copy_process.part.8+0x280/0x6a10 [ 33.127645] [] ? kthread_park+0xa0/0xa0 [ 33.127649] [] ? __cleanup_sighand+0x40/0x40 [ 33.127669] [] ? trace_hardirqs_on+0x10/0x10 [ 33.127673] [] _do_fork+0x1b2/0xd30 [ 33.127681] [] ? kthread_park+0xa0/0xa0 [ 33.127685] [] ? fork_idle+0x270/0x270 [ 33.127715] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 33.127719] [] ? kthreadd+0x1cc/0x420 [ 33.127723] [] ? kthreadd+0x293/0x420 [ 33.127727] [] ? kthread_park+0xa0/0xa0 [ 33.127731] [] kernel_thread+0x34/0x40 [ 33.127735] [] kthreadd+0x2a7/0x420 [ 33.127739] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.127744] [] ? finish_task_switch+0x1e9/0x640 [ 33.127748] [] ? __switch_to_asm+0x34/0x70 [ 33.127752] [] ? __switch_to_asm+0x40/0x70 [ 33.127755] [] ? __switch_to_asm+0x34/0x70 [ 33.127759] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.127764] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.127767] [] ret_from_fork+0x5c/0x70 [ 33.127769] Mem-Info: [ 33.127778] active_anon:687 inactive_anon:42 isolated_anon:0 [ 33.127778] active_file:23 inactive_file:25 isolated_file:0 [ 33.127778] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.127778] slab_reclaimable:4233 slab_unreclaimable:56569 [ 33.127778] mapped:23 shmem:48 pagetables:144 bounce:0 [ 33.127778] free:686 free_pcp:45 free_cma:0 [ 33.127785] Node 0 active_anon:2748kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 33.127795] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.127810] Normal free:2748kB min:5580kB low:9168kB high:12756kB active_anon:2748kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2912kB pagetables:576kB bounce:0kB free_pcp:180kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.127831] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 36*4kB (H) 32*8kB (H) 17*16kB (H) 18*32kB (UH) 6*64kB (H) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2784kB 118 total pagecache pages [ 33.127856] 0 pages in swap cache [ 33.127858] Swap cache stats: add 0, delete 0, find 0/0 [ 33.127859] Free swap = 0kB [ 33.127861] Total swap = 0kB [ 33.127862] 1965979 pages RAM [ 33.127863] 0 pages HighMem/MovableOnly [ 33.127864] 313617 pages reserved [ 33.127865] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 33.127874] [ 470] 0 470 5417 199 15 3 0 -1000 udevd [ 33.127880] [ 571] 0 571 5377 173 14 3 0 -1000 udevd [ 33.127885] [ 626] 0 626 5416 199 14 3 0 -1000 udevd [ 33.127892] [ 1991] 0 1991 12489 153 27 3 0 -1000 sshd [ 33.127898] [ 2048] 0 2048 4334 1 4 2 0 0 syz-executor864 [ 33.127904] [ 2051] 0 2051 4334 0 5 2 0 0 syz-executor864 [ 33.127910] [ 2052] 0 2052 4334 8 4 2 0 0 syz-executor864 [ 33.127916] [ 2053] 0 2053 4334 8 4 2 0 0 syz-executor864 [ 33.127921] [ 2054] 0 2054 4334 8 4 2 0 0 syz-executor864 [ 33.127927] [ 2055] 0 2055 4334 8 4 2 0 0 syz-executor864 [ 33.127932] [ 2056] 0 2056 4334 0 5 2 0 0 syz-executor864 [ 33.127938] [ 2057] 0 2057 4334 0 5 2 0 0 syz-executor864 [ 33.127943] [ 2058] 0 2058 4334 0 5 2 0 0 syz-executor864 [ 33.127949] [ 2059] 0 2059 4334 0 5 2 0 0 syz-executor864 [ 33.127954] [ 2060] 0 2060 4334 0 5 2 0 0 syz-executor864 [ 33.127957] Out of memory: Kill process 2052 (syz-executor864) score 0 or sacrifice child [ 33.127979] Killed process 2052 (syz-executor864) total-vm:17336kB, anon-rss:32kB, file-rss:0kB, shmem-rss:0kB [ 33.146568] Out of memory: Kill process 2053 (syz-executor864) score 0 or sacrifice child [ 33.146592] Killed process 2053 (syz-executor864) total-vm:17336kB, anon-rss:32kB, file-rss:0kB, shmem-rss:0kB [ 33.167280] Out of memory: Kill process 2054 (syz-executor864) score 0 or sacrifice child [ 33.167302] Killed process 2054 (syz-executor864) total-vm:17336kB, anon-rss:32kB, file-rss:0kB, shmem-rss:0kB [ 33.186530] Out of memory: Kill process 2055 (syz-executor864) score 0 or sacrifice child [ 33.186553] Killed process 2055 (syz-executor864) total-vm:17336kB, anon-rss:32kB, file-rss:0kB, shmem-rss:0kB [ 33.207267] Out of memory: Kill process 2048 (syz-executor864) score 0 or sacrifice child [ 33.207287] Killed process 2048 (syz-executor864) total-vm:17336kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 33.226966] kthreadd invoked oom-killer: gfp_mask=0x27080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK), nodemask=0, order=3, oom_score_adj=0 [ 33.226974] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.9.141+ #23 [ 33.226989] ffff8801da62f828 ffffffff81b42e79 ffff8801da62fb40 ffffffff833e92b0 [ 33.226999] 0000000000000000 ffff8801da62fb58 0000000000000003 ffff8801da62f8a8 [ 33.227009] ffffffff814fb526 0000000000000003 0000000000000000 ffff8801da5fa068 [ 33.227011] Call Trace: [ 33.227027] [] dump_stack+0xc1/0x128 [ 33.227037] [] dump_header.isra.4+0x142/0x747 [ 33.227046] [] ? out_of_memory+0x6d4/0xe90 [ 33.227054] [] out_of_memory.cold.11+0xd/0x5d [ 33.227061] [] ? out_of_memory+0x410/0xe90 [ 33.227069] [] ? oom_killer_disable+0x200/0x200 [ 33.227077] [] ? trace_hardirqs_on+0xd/0x10 [ 33.227085] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 33.227094] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 33.227102] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 33.227112] [] ? ___slab_alloc.constprop.33+0x1ba/0x470 [ 33.227121] [] ? avc_has_perm_noaudit+0x2f0/0x2f0 [ 33.227131] [] ? copy_process.part.8+0x1677/0x6a10 [ 33.227140] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 33.227148] [] ? kmem_cache_alloc+0x246/0x2b0 [ 33.227156] [] copy_process.part.8+0x280/0x6a10 [ 33.227166] [] ? kthread_park+0xa0/0xa0 [ 33.227173] [] ? __cleanup_sighand+0x40/0x40 [ 33.227180] [] ? trace_hardirqs_on+0x10/0x10 [ 33.227188] [] _do_fork+0x1b2/0xd30 [ 33.227195] [] ? kthread_park+0xa0/0xa0 [ 33.227202] [] ? fork_idle+0x270/0x270 [ 33.227209] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 33.227217] [] ? kthreadd+0x1cc/0x420 [ 33.227224] [] ? kthreadd+0x293/0x420 [ 33.227231] [] ? kthread_park+0xa0/0xa0 [ 33.227239] [] kernel_thread+0x34/0x40 [ 33.227246] [] kthreadd+0x2a7/0x420 [ 33.227262] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.227272] [] ? finish_task_switch+0x1e9/0x640 [ 33.227279] [] ? __switch_to_asm+0x34/0x70 [ 33.227286] [] ? __switch_to_asm+0x40/0x70 [ 33.227293] [] ? __switch_to_asm+0x34/0x70 [ 33.227301] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.227309] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.227315] [] ret_from_fork+0x5c/0x70 [ 33.227319] Mem-Info: [ 33.227337] active_anon:637 inactive_anon:42 isolated_anon:0 [ 33.227337] active_file:23 inactive_file:25 isolated_file:0 [ 33.227337] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.227337] slab_reclaimable:4233 slab_unreclaimable:56569 [ 33.227337] mapped:23 shmem:48 pagetables:144 bounce:0 [ 33.227337] free:718 free_pcp:124 free_cma:0 [ 33.227351] Node 0 active_anon:2548kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 33.227369] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 33.227396] Normal free:2876kB min:5580kB low:9168kB high:12756kB active_anon:2548kB inactive_anon:168kB active_file:92kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16932kB slab_unreclaimable:226268kB kernel_stack:2752kB pagetables:576kB bounce:0kB free_pcp:496kB local_pcp:156kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 33.227435] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 36*4kB (H) 32*8kB (H) 17*16kB (H) 21*32kB (UH) 6*64kB (H) 5*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2880kB 118 total pagecache pages [ 33.227482] 0 pages in swap cache [ 33.227486] Swap cache stats: add 0, delete 0, find 0/0 [ 33.227488] Free swap = 0kB [ 33.227490] Total swap = 0kB [ 33.227501] 1965979 pages RAM [ 33.227503] 0 pages HighMem/MovableOnly [ 33.227505] 313617 pages reserved [ 33.227508] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 33.227523] [ 470] 0 470 5417 199 15 3 0 -1000 udevd [ 33.227534] [ 571] 0 571 5377 173 14 3 0 -1000 udevd [ 33.227544] [ 626] 0 626 5416 199 14 3 0 -1000 udevd [ 33.227556] [ 1991] 0 1991 12489 153 27 3 0 -1000 sshd [ 33.227571] [ 2051] 0 2051 4334 0 5 2 0 0 syz-executor864 [ 33.227586] [ 2056] 0 2056 4334 0 5 2 0 0 syz-executor864 [ 33.227597] [ 2057] 0 2057 4334 0 5 2 0 0 syz-executor864 [ 33.227607] [ 2058] 0 2058 4334 0 5 2 0 0 syz-executor864 [ 33.227618] [ 2059] 0 2059 4334 0 5 2 0 0 syz-executor864 [ 33.227628] [ 2060] 0 2060 4334 0 5 2 0 0 syz-executor864 [ 33.227634] Kernel panic - not syncing: Out of memory and no killable processes... [ 33.227634] [ 33.227640] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.9.141+ #23 [ 33.227652] ffff8801da62f7e8 ffffffff81b42e79 ffffffff82a962c0 00000000ffffffff [ 33.227662] ffffffff83029100 0000000000000001 dffffc0000000000 ffff8801da62f8a8 [ 33.227672] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66 [ 33.227674] Call Trace: [ 33.227683] [] dump_stack+0xc1/0x128 [ 33.227691] [] panic+0x1bf/0x39f [ 33.227698] [] ? add_taint.cold.5+0x16/0x16 [ 33.227706] [] ? dump_header.isra.4+0x738/0x747 [ 33.227714] [] ? dump_header.isra.4+0x738/0x747 [ 33.227721] [] out_of_memory.cold.11+0x1e/0x5d [ 33.227729] [] ? out_of_memory+0x410/0xe90 [ 33.227737] [] ? oom_killer_disable+0x200/0x200 [ 33.227744] [] ? trace_hardirqs_on+0xd/0x10 [ 33.227752] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 33.227760] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 33.227769] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 33.227777] [] ? ___slab_alloc.constprop.33+0x1ba/0x470 [ 33.227785] [] ? avc_has_perm_noaudit+0x2f0/0x2f0 [ 33.227793] [] ? copy_process.part.8+0x1677/0x6a10 [ 33.227801] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 33.227809] [] ? kmem_cache_alloc+0x246/0x2b0 [ 33.227816] [] copy_process.part.8+0x280/0x6a10 [ 33.227825] [] ? kthread_park+0xa0/0xa0 [ 33.227832] [] ? __cleanup_sighand+0x40/0x40 [ 33.227839] [] ? trace_hardirqs_on+0x10/0x10 [ 33.227846] [] _do_fork+0x1b2/0xd30 [ 33.227854] [] ? kthread_park+0xa0/0xa0 [ 33.227861] [] ? fork_idle+0x270/0x270 [ 33.227868] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 33.227875] [] ? kthreadd+0x1cc/0x420 [ 33.227883] [] ? kthreadd+0x293/0x420 [ 33.227890] [] ? kthread_park+0xa0/0xa0 [ 33.227897] [] kernel_thread+0x34/0x40 [ 33.227904] [] kthreadd+0x2a7/0x420 [ 33.227912] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.227920] [] ? finish_task_switch+0x1e9/0x640 [ 33.227927] [] ? __switch_to_asm+0x34/0x70 [ 33.227934] [] ? __switch_to_asm+0x40/0x70 [ 33.227940] [] ? __switch_to_asm+0x34/0x70 [ 33.227948] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.227956] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 33.227963] [] ret_from_fork+0x5c/0x70 [ 33.228313] Kernel Offset: disabled [ 43.144168] Rebooting in 86400 seconds..