lowmemorykiller: Killing 'syz-executor841' (2066) (tgid 2066), adj 1000, to free 44kB on behalf of 'syz-executor841' (2072) because cache 34304kB is below limit 65536kB for oom_score_adj 12 Free memory is -13332kB above reserved ================================= [ INFO: inconsistent lock state ] 4.9.194+ #0 Not tainted --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor841/2072 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<000000005c862c98>] get_cmdline+0xa3/0x2d0 mm/util.c:641 mark_held_locks+0xb1/0x100 kernel/locking/lockdep.c:2660 __lockdep_trace_alloc kernel/locking/lockdep.c:2882 [inline] lockdep_trace_alloc+0x18c/0x2b0 kernel/locking/lockdep.c:2897 __alloc_pages_nodemask+0x143/0x1a80 mm/page_alloc.c:3803 __alloc_pages include/linux/gfp.h:433 [inline] __alloc_pages_node include/linux/gfp.h:446 [inline] alloc_pages_node include/linux/gfp.h:460 [inline] pmd_alloc_one arch/x86/include/asm/pgalloc.h:88 [inline] __pmd_alloc+0x4a/0x330 mm/memory.c:3742 pmd_alloc include/linux/mm.h:1625 [inline] alloc_new_pmd mm/mremap.c:64 [inline] move_page_tables+0xadb/0xd60 mm/mremap.c:212 shift_arg_pages+0x1ae/0x470 fs/exec.c:642 setup_arg_pages+0x60d/0x7c0 fs/exec.c:754 load_elf_binary+0xa84/0x4a90 fs/binfmt_elf.c:860 search_binary_handler fs/exec.c:1621 [inline] search_binary_handler+0x14f/0x700 fs/exec.c:1599 exec_binprm fs/exec.c:1663 [inline] do_execveat_common.isra.0+0xf81/0x1db0 fs/exec.c:1785 do_execve+0x3a/0x50 fs/exec.c:1829 run_init_process+0x33/0x37 init/main.c:904 try_to_run_init_process+0x18/0x48 init/main.c:913 kernel_init+0xf2/0x163 init/main.c:984 ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 irq event stamp: 573993 hardirqs last enabled at (573993): [<00000000e97188c2>] vprintk_emit+0x25c/0x6f0 kernel/printk/printk.c:1897 hardirqs last disabled at (573992): [<0000000024fa0640>] vprintk_emit+0x6d/0x6f0 kernel/printk/printk.c:1801 softirqs last enabled at (572346): [<0000000083a1c38d>] spin_unlock_bh include/linux/spinlock.h:352 [inline] softirqs last enabled at (572346): [<0000000083a1c38d>] wb_queue_work+0x1ed/0x450 fs/fs-writeback.c:203 softirqs last disabled at (572342): [<0000000066f16bb6>] spin_lock_bh include/linux/spinlock.h:307 [inline] softirqs last disabled at (572342): [<0000000066f16bb6>] wb_queue_work+0x90/0x450 fs/fs-writeback.c:195 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&mm->mmap_sem); lock(&mm->mmap_sem); *** DEADLOCK *** 1 lock held by syz-executor841/2072: #0: (shrinker_rwsem){++++..}, at: [<0000000010362334>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 stack backtrace: CPU: 0 PID: 2072 Comm: syz-executor841 Not tainted 4.9.194+ #0 ffff8801ce5d6e00 ffffffff81b67001 00000000000000f0 ffff8801d19017c0 ffffffff83cb0990 ffff8801d19020b8 ffffffff84252000 ffff8801ce5d6e78 ffffffff81408710 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<0000000074475e56>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000074475e56>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000009f0dde87>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<000000009f0dde87>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<000000005fd886dd>] valid_state kernel/locking/lockdep.c:2400 [inline] [<000000005fd886dd>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<000000005fd886dd>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<00000000ef3c05ba>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<00000000ef3c05ba>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302 [<0000000071bd9123>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<000000007a32d3b6>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<000000005c862c98>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<000000009569a34c>] handle_lmk_event+0x169/0x920 drivers/staging/android/lowmemorykiller.c:116 [<0000000048edf42f>] lowmem_scan+0x6f3/0xb70 drivers/staging/android/lowmemorykiller.c:354 [<000000005db7c64d>] do_shrink_slab mm/vmscan.c:399 [inline] [<000000005db7c64d>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000f027683c>] shrink_slab mm/vmscan.c:466 [inline] [<00000000f027683c>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000f0e09441>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000f0e09441>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000f0e09441>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000007e5ad6e4>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000007e5ad6e4>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000007e5ad6e4>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000007e5ad6e4>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<0000000023c31bd6>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000023c31bd6>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000023c31bd6>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000023c31bd6>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000023c31bd6>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000085065838>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000085065838>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000085065838>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 net/ipv4/netfilter/arp_tables.c:552 [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 net/ipv4/netfilter/arp_tables.c:990 [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<0000000092a8d8b6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<0000000003125ba2>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000c70d1a74>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000e41257e5>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb oom_reaper: reaped process 2066 (syz-executor841), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor841: vmalloc: allocation failure, allocated 1225932800 of 6128504832 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2066 Comm: syz-executor841 Not tainted 4.9.194+ #0 ffff8801ce78f7a8 ffffffff81b67001 1ffff10039cf1ef7 dffffc0000000000 ffffffff82aab480 0000000000000000 0000000000400000 ffff8801ce78f8d0 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<0000000074475e56>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000074475e56>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000000572823a>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000be044e25>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000be044e25>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<0000000085065838>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000085065838>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000085065838>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 net/ipv4/netfilter/arp_tables.c:552 [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 net/ipv4/netfilter/arp_tables.c:990 [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<0000000092a8d8b6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<0000000003125ba2>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000c70d1a74>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000e41257e5>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3219 inactive_anon:40 isolated_anon:0 active_file:8 inactive_file:41 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4270 slab_unreclaimable:56605 mapped:28 shmem:48 pagetables:361 bounce:0 free:0 free_pcp:7 free_cma:0 Node 0 active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:164kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17080kB slab_unreclaimable:226420kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:28kB local_pcp:28kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved syz-executor841 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2071 Comm: syz-executor841 Not tainted 4.9.194+ #0 ffff8801cef2f4d0 ffffffff81b67001 ffff8801cef2f828 ffffffff833f1c30 00000000000003e8 ffff8801cef2f840 0000000000000000 ffff8801cef2f550 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 Call Trace: [<0000000074475e56>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000074475e56>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000004f174807>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<000000002b8c3ddd>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000507a05f3>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000507a05f3>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000007be9d76e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000007be9d76e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000007be9d76e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<0000000023c31bd6>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000023c31bd6>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000023c31bd6>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000023c31bd6>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000023c31bd6>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000085065838>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000085065838>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000085065838>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 net/ipv4/netfilter/arp_tables.c:552 [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 net/ipv4/netfilter/arp_tables.c:990 [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<0000000092a8d8b6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<0000000003125ba2>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000c70d1a74>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000e41257e5>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3219 inactive_anon:40 isolated_anon:0 active_file:8 inactive_file:14 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4270 slab_unreclaimable:56605 mapped:28 shmem:48 pagetables:361 bounce:0 free:0 free_pcp:0 free_cma:0 Node 0 active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 2063] 0 2063 4380 1 4 2 0 0 syz-executor841 [ 2064] 0 2064 4380 11 4 2 0 0 syz-executor841 [ 2065] 0 2065 4380 11 4 2 0 0 syz-executor841 [ 2066] 0 2066 4380 0 5 2 0 1000 syz-executor841 [ 2067] 0 2067 4380 11 4 2 0 0 syz-executor841 [ 2068] 0 2068 4380 11 4 2 0 0 syz-executor841 [ 2069] 0 2069 4380 11 4 2 0 0 syz-executor841 [ 2070] 0 2070 4380 11 4 2 0 0 syz-executor841 [ 2071] 0 2071 4380 11 5 2 0 1000 syz-executor841 [ 2072] 0 2072 4380 11 5 2 0 1000 syz-executor841 [ 2073] 0 2073 4380 11 5 2 0 1000 syz-executor841 [ 2074] 0 2074 4380 11 5 2 0 1000 syz-executor841 [ 2075] 0 2075 4380 11 5 2 0 1000 syz-executor841 Out of memory: Kill process 2071 (syz-executor841) score 999 or sacrifice child Killed process 2071 (syz-executor841) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB syz-executor841: vmalloc: allocation failure, allocated 1152458752 of 6128504832 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2071 Comm: syz-executor841 Not tainted 4.9.194+ #0 ffff8801cef2f7a8 ffffffff81b67001 1ffff10039de5ef7 dffffc0000000000 ffffffff82aab480 0000000000000000 0000000000400000 ffff8801cef2f8d0 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<0000000074475e56>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000074475e56>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000000572823a>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000be044e25>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000be044e25>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<0000000085065838>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000085065838>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000085065838>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 net/ipv4/netfilter/arp_tables.c:552 [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 net/ipv4/netfilter/arp_tables.c:990 [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<0000000092a8d8b6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<0000000003125ba2>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000c70d1a74>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000e41257e5>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3219 inactive_anon:40 isolated_anon:0 active_file:8 inactive_file:14 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4270 slab_unreclaimable:56605 mapped:28 shmem:48 pagetables:361 bounce:0 free:0 free_pcp:6 free_cma:0 Node 0 active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no oom_reaper: reaped process 2071 (syz-executor841), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17080kB slab_unreclaimable:226420kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:28kB local_pcp:0kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved syz-executor841 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2075 Comm: syz-executor841 Not tainted 4.9.194+ #0 ffff8801c4be74d0 ffffffff81b67001 ffff8801c4be7828 ffffffff833f1c30 00000000000003e8 ffff8801c4be7840 0000000000000000 ffff8801c4be7550 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 Call Trace: [<0000000074475e56>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000074475e56>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000004f174807>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<000000002b8c3ddd>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000507a05f3>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000507a05f3>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000007be9d76e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000007be9d76e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000007be9d76e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<0000000023c31bd6>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000023c31bd6>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000023c31bd6>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000023c31bd6>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000023c31bd6>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000085065838>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000085065838>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000085065838>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 net/ipv4/netfilter/arp_tables.c:552 [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 net/ipv4/netfilter/arp_tables.c:990 [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<0000000092a8d8b6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<0000000003125ba2>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000c70d1a74>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000e41257e5>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3219 inactive_anon:40 isolated_anon:0 active_file:8 inactive_file:14 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4270 slab_unreclaimable:56605 mapped:28 shmem:48 pagetables:361 bounce:0 free:0 free_pcp:0 free_cma:0 Node 0 active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17080kB slab_unreclaimable:226420kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5392 191 18 3 0 -1000 udevd [ 591] 0 591 5383 176 16 3 0 -1000 udevd [ 592] 0 592 5383 176 16 3 0 -1000 udevd [ 1752] 0 1752 2492 573 10 3 0 0 dhclient [ 1891] 0 1891 14231 108 24 3 0 0 rsyslogd [ 1945] 0 1945 4724 51 16 3 0 0 cron [ 1966] 0 1966 3734 44 10 3 0 0 mcstransd [ 1975] 0 1975 12926 1228 26 3 0 0 restorecond [ 1990] 0 1990 12489 153 28 3 0 -1000 sshd [ 2024] 0 2024 3648 41 13 3 0 0 getty [ 2055] 0 2055 3648 41 13 3 0 0 getty [ 2065] 0 2065 4380 11 4 2 0 0 syz-executor841 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 net/ipv4/netfilter/arp_tables.c:552 [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 net/ipv4/netfilter/arp_tables.c:990 [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<0000000092a8d8b6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<0000000003125ba2>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000c70d1a74>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000e41257e5>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3238 inactive_anon:40 isolated_anon:0 active_file:14 inactive_file:31 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4275 slab_unreclaimable:56454 mapped:18 shmem:48 pagetables:361 bounce:0 free:2 free_pcp:0 free_cma:0 Node 0 active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:8kB min:5580kB low:9168kB high:12756kB active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17100kB slab_unreclaimable:225816kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved oom_reaper: reaped process 2075 (syz-executor841), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor841 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2077 Comm: syz-executor841 Not tainted 4.9.194+ #0 ffff8801cef2f4d0 ffffffff81b67001 ffff8801cef2f828 ffffffff833f1c30 00000000000003e8 ffff8801cef2f840 0000000000000000 ffff8801cef2f550 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 Call Trace: [<0000000074475e56>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000074475e56>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000004f174807>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<000000002b8c3ddd>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000507a05f3>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000507a05f3>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000007be9d76e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000007be9d76e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000007be9d76e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<0000000023c31bd6>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000023c31bd6>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000023c31bd6>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000023c31bd6>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000023c31bd6>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000085065838>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000085065838>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000085065838>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 net/ipv4/netfilter/arp_tables.c:552 [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 net/ipv4/netfilter/arp_tables.c:990 [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<0000000092a8d8b6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<0000000003125ba2>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000c70d1a74>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000e41257e5>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3238 inactive_anon:40 isolated_anon:0 active_file:14 inactive_file:31 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4275 slab_unreclaimable:56454 mapped:18 shmem:48 pagetables:361 bounce:0 free:756 free_pcp:183 free_cma:0 Node 0 active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:2900kB min:5580kB low:9168kB high:12756kB active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17100kB slab_unreclaimable:225816kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:620kB local_pcp:620kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5392 191 18 3 0 -1000 udevd [ 591] 0 591 5383 176 16 3 0 -1000 udevd [ 592] 0 592 5383 176 16 3 0 -1000 udevd [ 1752] 0 1752 2492 573 10 3 0 0 dhclient [ 1891] 0 1891 14231 108 24 3 0 0 rsyslogd [ 1945] 0 1945 4724 50 16 3 0 0 cron [ 1966] 0 1966 3734 44 10 3 0 0 mcstransd [ 1975] 0 1975 12926 1228 26 3 0 0 restorecond [ 1990] 0 1990 12489 153 28 3 0 -1000 sshd [ 2024] 0 2024 3648 41 13 3 0 0 getty [ 2055] 0 2055 3648 41 13 3 0 0 getty [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 2058] 0 2058 3648 44 13 3 0 0 getty [ 2059] 0 2059 3648 43 13 3 0 0 getty [ 2060] 0 2060 3648 44 12 3 0 0 getty [ 2061] 0 2061 17820 196 38 3 0 0 sshd [ 2063] 0 2063 4380 1 4 2 0 0 syz-executor841 [ 2064] 0 2064 4380 11 4 2 0 0 syz-executor841 [ 2065] 0 2065 4380 11 4 2 0 0 syz-executor841 [ 2067] 0 2067 4380 11 4 2 0 0 syz-executor841 [ 2068] 0 2068 4380 11 4 2 0 0 syz-executor841 [ 2069] 0 2069 4380 11 4 2 0 0 syz-executor841 [ 2070] 0 2070 4380 11 4 2 0 0 syz-executor841 [ 2074] 0 2074 4380 0 5 2 0 1000 syz-executor841 [ 2075] 0 2075 4380 0 5 2 0 1000 syz-executor841 [ 2076] 0 2076 4380 11 5 2 0 1000 syz-executor841 [ 2077] 0 2077 4380 11 5 2 0 1000 syz-executor841 [ 2078] 0 2078 4380 11 5 2 0 1000 syz-executor841 [ 2079] 0 2079 4380 11 5 2 0 1000 syz-executor841 Out of memory: Kill process 2076 (syz-executor841) score 999 or sacrifice child Killed process 2076 (syz-executor841) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2076 (syz-executor841), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor841 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2079 Comm: syz-executor841 Not tainted 4.9.194+ #0 ffff8801ce5df4d0 ffffffff81b67001 ffff8801ce5df828 ffffffff833f1c30 00000000000003e8 ffff8801ce5df840 0000000000000000 ffff8801ce5df550 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 Call Trace: [<0000000074475e56>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000074475e56>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000004f174807>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<000000002b8c3ddd>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000507a05f3>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000507a05f3>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000007be9d76e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000007be9d76e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000007be9d76e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<0000000023c31bd6>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000023c31bd6>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000023c31bd6>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000023c31bd6>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000023c31bd6>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000085065838>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000085065838>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000085065838>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 net/ipv4/netfilter/arp_tables.c:552 [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 net/ipv4/netfilter/arp_tables.c:990 [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<0000000092a8d8b6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<0000000003125ba2>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000c70d1a74>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000e41257e5>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3238 inactive_anon:40 isolated_anon:0 active_file:14 inactive_file:31 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4275 slab_unreclaimable:56454 mapped:18 shmem:48 pagetables:361 bounce:0 free:5951 free_pcp:239 free_cma:0 Node 0 active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:21896kB 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:716kB local_pcp:84kB free_cma:0kB Normal free:2108kB min:5580kB low:9168kB high:12756kB active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17100kB slab_unreclaimable:225816kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:152kB local_pcp:92kB free_cma:0kB DMA32: 7*4kB (U) 7*8kB (U) 6*16kB (U) 28*32kB (U) 300*64kB (U) 9*128kB (U) 3*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 22196kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5392 191 18 3 0 -1000 udevd [ 591] 0 591 5383 176 16 3 0 -1000 udevd [ 592] 0 592 5383 176 16 3 0 -1000 udevd [ 1752] 0 1752 2492 573 10 3 0 0 dhclient [ 1891] 0 1891 14231 108 24 3 0 0 rsyslogd [ 1945] 0 1945 4724 50 16 3 0 0 cron [ 1966] 0 1966 3734 44 10 3 0 0 mcstransd [ 1975] 0 1975 12926 1228 26 3 0 0 restorecond [ 1990] 0 1990 12489 153 28 3 0 -1000 sshd [ 2024] 0 2024 3648 41 13 3 0 0 getty [ 2055] 0 2055 3648 41 13 3 0 0 getty [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 2058] 0 2058 3648 44 13 3 0 0 getty [ 2059] 0 2059 3648 43 13 3 0 0 getty [ 2060] 0 2060 3648 44 12 3 0 0 getty [ 2061] 0 2061 17820 196 38 3 0 0 sshd [ 2063] 0 2063 4380 1 4 2 0 0 syz-executor841 [ 2064] 0 2064 4380 11 4 2 0 0 syz-executor841 [ 2065] 0 2065 4380 11 4 2 0 0 syz-executor841 [ 2067] 0 2067 4380 11 4 2 0 0 syz-executor841 [ 2068] 0 2068 4380 11 4 2 0 0 syz-executor841 [ 2069] 0 2069 4380 11 4 2 0 0 syz-executor841 [ 2070] 0 2070 4380 11 4 2 0 0 syz-executor841 [ 2074] 0 2074 4380 0 5 2 0 1000 syz-executor841 [ 2075] 0 2075 4380 0 5 2 0 1000 syz-executor841 [ 2076] 0 2076 4380 0 5 2 0 1000 syz-executor841 [ 2077] 0 2077 4380 11 5 2 0 1000 syz-executor841 [ 2078] 0 2078 4380 11 5 2 0 1000 syz-executor841 [ 2079] 0 2079 4380 11 5 2 0 1000 syz-executor841 Out of memory: Kill process 2077 (syz-executor841) score 999 or sacrifice child Killed process 2077 (syz-executor841) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB syz-executor841: syz-executor841: vmalloc: allocation failure, allocated 1186258944 of 6128504832 bytesvmalloc: allocation failure, allocated 1265184768 of 6128504832 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2074 Comm: syz-executor841 Not tainted 4.9.194+ #0 ffff8801c5a5f7a8 ffffffff81b67001 1ffff10038b4bef7 dffffc0000000000 ffffffff82aab480 0000000000000000 0000000000400000 ffff8801c5a5f8d0 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<0000000074475e56>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000074475e56>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000000572823a>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000be044e25>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000be044e25>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<0000000085065838>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000085065838>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000085065838>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 net/ipv4/netfilter/arp_tables.c:552 [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 net/ipv4/netfilter/arp_tables.c:990 [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<0000000092a8d8b6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<0000000003125ba2>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000c70d1a74>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000e41257e5>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb syz-executor841: vmalloc: allocation failure, allocated 1338609664 of 6128504832 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2076 Comm: syz-executor841 Not tainted 4.9.194+ #0 ffff8801ce23f7a8 ffffffff81b67001 1ffff10039c47ef7 dffffc0000000000 ffffffff82aab480 0000000000000000 0000000000400000 ffff8801ce23f8d0 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<0000000074475e56>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000074475e56>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000000572823a>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000be044e25>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000be044e25>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<0000000085065838>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000085065838>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000085065838>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 net/ipv4/netfilter/arp_tables.c:552 [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 net/ipv4/netfilter/arp_tables.c:990 [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<0000000092a8d8b6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<0000000003125ba2>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000c70d1a74>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000e41257e5>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3238 inactive_anon:40 isolated_anon:0 active_file:14 inactive_file:31 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4275 slab_unreclaimable:56454 mapped:18 shmem:48 pagetables:361 bounce:0 free:400 free_pcp:183 free_cma:0 Node 0 active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:1800kB 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:636kB local_pcp:0kB free_cma:0kB Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17100kB slab_unreclaimable:225816kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 15*4kB (U) 18*8kB (U) 15*16kB (U) 14*32kB (U) 15*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2108kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved CPU: 1 PID: 2077 Comm: syz-executor841 Not tainted 4.9.194+ #0 ffff8801cef2f7a8 ffffffff81b67001 1ffff10039de5ef7 dffffc0000000000 ffffffff82aab480 0000000000000000 0000000000400000 ffff8801cef2f8d0 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<0000000074475e56>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000074475e56>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000000572823a>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 Mem-Info: active_anon:3238 inactive_anon:40 isolated_anon:0 active_file:14 inactive_file:31 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4275 slab_unreclaimable:56454 mapped:18 shmem:48 pagetables:361 bounce:0 free:2475 free_pcp:322 free_cma:0 [<00000000be044e25>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000be044e25>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 Node 0 active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:6600kB 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:620kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 3505 [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 net/ipv4/netfilter/arp_tables.c:552 Normal free:3300kB min:5580kB low:9168kB high:12756kB active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17100kB slab_unreclaimable:225816kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:668kB local_pcp:668kB free_cma:0kB lowmem_reserve[]: 0 (U) [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 52*16kB [<0000000092a8d8b6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] 52*16kB [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 (U) [<0000000003125ba2>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] (U) [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 49*32kB [<00000000c70d1a74>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] 49*32kB [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 (U) [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 49*64kB [<00000000e41257e5>] SYSC_setsockopt net/socket.c:1786 [inline] 49*64kB [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 (U) [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 0*512kB [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb 0*1024kB Mem-Info: 0*2048kB active_anon:3238 inactive_anon:40 isolated_anon:0 active_file:14 inactive_file:31 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4275 slab_unreclaimable:56454 mapped:18 shmem:48 pagetables:361 bounce:0 free:2475 free_pcp:322 free_cma:0 0*4096kB Node 0 active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no = 6696kB 23*4kB 0(U) 350525*8kB 3505(U) 165*16kB Normal free:3300kB min:5580kB low:9168kB high:12756kB active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17100kB slab_unreclaimable:225816kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:668kB local_pcp:0kB free_cma:0kB 93 total pagecache pages 00 pages in swap cache 0Swap cache stats: add 0, delete 0, find 0/0 0Free swap = 0kB Total swap = 0kB DMA32: 1965979 pages RAM 52*4kB 0 pages HighMem/MovableOnly (U) 313627 pages reserved 55*8kB (U) 52*16kB (U) 49*32kB (U) 49*64kB (U) 2*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 6696kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved oom_reaper: reaped process 2077 (syz-executor841), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB lowmemorykiller: Killing 'syz-executor841' (2078) (tgid 2078), adj 1000, to free 44kB on behalf of 'syz-executor841' (2078) because cache 2136kB is below limit 6144kB for oom_score_adj 0 Free memory is -13356kB above reserved lowmemorykiller: Killing 'syz-executor841' (2078) (tgid 2078), adj 1000, to free 44kB on behalf of 'syz-executor841' (2079) because cache 2136kB is below limit 6144kB for oom_score_adj 0 Free memory is -13428kB above reserved oom_reaper: reaped process 2078 (syz-executor841), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor841 invoked oom-killer: gfp_mask=0x24082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2083 Comm: syz-executor841 Not tainted 4.9.194+ #0 ffff8801ce23f438 ffffffff81b67001 ffff8801ce23f790 ffffffff833f1c30 00000000000003e8 ffff8801ce23f7a8 0000000000000000 ffff8801ce23f4b8 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 Call Trace: [<0000000074475e56>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000074475e56>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000004f174807>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<000000002b8c3ddd>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000507a05f3>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000507a05f3>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000007be9d76e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000007be9d76e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000007be9d76e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<0000000023c31bd6>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000023c31bd6>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000023c31bd6>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000023c31bd6>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000023c31bd6>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000654f7a10>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000654f7a10>] __vmalloc_area_node mm/vmalloc.c:1630 [inline] [<00000000654f7a10>] __vmalloc_node_range+0x4af/0x610 mm/vmalloc.c:1706 [<0000000085065838>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000085065838>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000085065838>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 net/ipv4/netfilter/arp_tables.c:552 [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 net/ipv4/netfilter/arp_tables.c:990 [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<0000000092a8d8b6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<0000000003125ba2>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000c70d1a74>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000e41257e5>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3231 inactive_anon:40 isolated_anon:0 active_file:14 inactive_file:33 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4280 slab_unreclaimable:56487 mapped:6 shmem:48 pagetables:361 bounce:0 free:6015 free_pcp:67 free_cma:0 Node 0 active_anon:12924kB inactive_anon:160kB active_file:56kB inactive_file:132kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:24kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:4kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB