Free memory is -13148kB above reserved lowmemorykiller: Killing 'syz-executor007' (2137) (tgid 2137), adj 1000, to free 40kB on behalf of 'syz-executor007' (2144) because cache 33788kB is below limit 65536kB for oom_score_adj 12 Free memory is -13236kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 2144, name: syz-executor007 2 locks held by syz-executor007/2144: #0: (shrinker_rwsem){++++..}, at: [<00000000d5519c1f>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<0000000090ab60eb>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 Preemption disabled at: [<0000000023e04faf>] spin_lock include/linux/spinlock.h:302 [inline] [<0000000023e04faf>] task_lock include/linux/sched.h:3217 [inline] [<0000000023e04faf>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 0 PID: 2144 Comm: syz-executor007 Not tainted 4.9.186+ #12 ffff8801d0227380 ffffffff81b5a0b1 0000000000000000 0000000000000001 ffff8801c46717c0 ffffffff810d0cc0 ffff8801c46717c0 ffff8801d02273b8 ffffffff8140032c ffff8801c46717c0 ffffffff82a39940 0000000000000387 Call Trace: [<00000000cd8b33f4>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cd8b33f4>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002615dce7>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<00000000299cb9a9>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<000000004df36efc>] mmput+0x28/0x370 kernel/fork.c:903 [<00000000a68728c3>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<0000000062b3e664>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000e5b2c6ab>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000e5b2c6ab>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000a99acf11>] shrink_slab mm/vmscan.c:466 [inline] [<00000000a99acf11>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<0000000091153a53>] shrink_zones mm/vmscan.c:2751 [inline] [<0000000091153a53>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<0000000091153a53>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000000a45fc70>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000000a45fc70>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000000a45fc70>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000000a45fc70>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000cb6f62d9>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000cb6f62d9>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000cb6f62d9>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000cb6f62d9>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000cb6f62d9>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000b09e8b39>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000b09e8b39>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000b09e8b39>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000b1a82547>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000cb76fdb8>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c953dd44>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000053b80a8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000053b80a8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000181a8e7e>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000181a8e7e>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000008f5fb7a2>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<000000008f5fb7a2>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000023ec5ea9>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000033900483>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000033900483>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000006a36c398>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000550962a7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb ================================= [ INFO: inconsistent lock state ] 4.9.186+ #12 Tainted: G W --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor007/2144 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<000000002ecc16b0>] 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:1601 [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: 562097 hardirqs last enabled at (562097): [<00000000a2a99a19>] dump_stack+0x100/0x120 lib/dump_stack.c:56 hardirqs last disabled at (562096): [<00000000a70ff949>] dump_stack+0x2c/0x120 lib/dump_stack.c:38 softirqs last enabled at (560898): [<000000005c57f49f>] __do_softirq+0x474/0x964 kernel/softirq.c:314 softirqs last disabled at (560723): [<0000000049a661e5>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (560723): [<0000000049a661e5>] irq_exit+0x119/0x160 kernel/softirq.c:409 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&mm->mmap_sem); lock(&mm->mmap_sem); *** DEADLOCK *** 3 locks held by syz-executor007/2144: #0: (shrinker_rwsem){++++..}, at: [<00000000d5519c1f>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<0000000090ab60eb>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 #2: (lmk_event_lock){+.+.-.}, at: [<0000000063cc06a8>] spin_lock include/linux/spinlock.h:302 [inline] #2: (lmk_event_lock){+.+.-.}, at: [<0000000063cc06a8>] handle_lmk_event+0xfb/0x8a0 drivers/staging/android/lowmemorykiller.c:114 stack backtrace: CPU: 0 PID: 2144 Comm: syz-executor007 Tainted: G W 4.9.186+ #12 ffff8801d02270c0 ffffffff81b5a0b1 00000000000000f0 ffff8801c46717c0 ffffffff83caf910 ffff8801c4672108 ffffffff84250ec0 ffff8801d0227138 ffffffff81406d69 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<00000000cd8b33f4>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cd8b33f4>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000071adeaf0>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<0000000071adeaf0>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<000000004b83a28a>] valid_state kernel/locking/lockdep.c:2400 [inline] [<000000004b83a28a>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<000000004b83a28a>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<00000000e961e8ba>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<00000000e961e8ba>] __lock_acquire+0x5c3/0x4350 kernel/locking/lockdep.c:3302 [<00000000ad9a7d61>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<00000000010f1120>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<000000002ecc16b0>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<000000000796abe2>] handle_lmk_event+0x13c/0x8a0 drivers/staging/android/lowmemorykiller.c:128 [<0000000062b3e664>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000e5b2c6ab>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000e5b2c6ab>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000a99acf11>] shrink_slab mm/vmscan.c:466 [inline] [<00000000a99acf11>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<0000000091153a53>] shrink_zones mm/vmscan.c:2751 [inline] [<0000000091153a53>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<0000000091153a53>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000000a45fc70>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000000a45fc70>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000000a45fc70>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000000a45fc70>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000cb6f62d9>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000cb6f62d9>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000cb6f62d9>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000cb6f62d9>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000cb6f62d9>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000b09e8b39>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000b09e8b39>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000b09e8b39>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000b1a82547>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000cb76fdb8>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c953dd44>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000053b80a8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000053b80a8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000181a8e7e>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000181a8e7e>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000008f5fb7a2>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<000000008f5fb7a2>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000023ec5ea9>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000033900483>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000033900483>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000006a36c398>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000550962a7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb oom_reaper: reaped process 2137 (syz-executor007), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor007 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2145 Comm: syz-executor007 Tainted: G W 4.9.186+ #12 ffff8801cf9e76a8 ffffffff81b5a0b1 ffff8801cf9e7a00 ffffffff833f11f0 00000000000003e8 ffff8801cf9e7a18 0000000000000000 ffff8801cf9e7728 ffffffff815054bb 0000000000000000 00000000000003e8 ffffffff8281c215 Call Trace: [<00000000cd8b33f4>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cd8b33f4>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000007b9aa85d>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<000000008301138f>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000e8755012>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000e8755012>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000fdec9d2e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000fdec9d2e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000fdec9d2e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000cb6f62d9>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000cb6f62d9>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000cb6f62d9>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000cb6f62d9>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000cb6f62d9>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000b09e8b39>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000b09e8b39>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000b09e8b39>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000b1a82547>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000cb76fdb8>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c953dd44>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000053b80a8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000053b80a8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000181a8e7e>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000181a8e7e>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000008f5fb7a2>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<000000008f5fb7a2>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000023ec5ea9>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000033900483>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000033900483>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000006a36c398>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000550962a7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3229 inactive_anon:40 isolated_anon:0 active_file:18 inactive_file:30 isolated_file:0 unevictable:0 dirty:18 writeback:0 unstable:0 slab_reclaimable:4303 slab_unreclaimable:56967 mapped:26 shmem:48 pagetables:359 bounce:0 free:6012 free_pcp:68 free_cma:0 Node 0 active_anon:12916kB inactive_anon:160kB active_file:72kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:104kB dirty:72kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:8 all_unreclaimable? no DMA32 free:18612kB 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:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB Normal free:5436kB min:5580kB low:9168kB high:12756kB active_anon:12916kB inactive_anon:160kB active_file:72kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17212kB slab_unreclaimable:227868kB kernel_stack:3392kB pagetables:1436kB bounce:0kB free_pcp:152kB local_pcp:152kB free_cma:0kB DMA32: 2*4kB (M) 4*8kB (UM) 2*16kB (M) 2*32kB (UM) 1*64kB (M) 4*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18632kB 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 313625 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5392 195 17 3 0 -1000 udevd [ 578] 0 578 5381 172 16 3 0 -1000 udevd [ 579] 0 579 5383 172 16 3 0 -1000 udevd [ 1759] 0 1759 2492 573 7 3 0 0 dhclient [ 1892] 0 1892 14231 109 24 3 0 0 rsyslogd [ 1947] 0 1947 3734 44 11 3 0 0 mcstransd [ 1949] 0 1949 4724 51 15 3 0 0 cron [ 1975] 0 1975 12926 1228 27 3 0 0 restorecond [ 1993] 0 1993 12489 152 28 3 0 -1000 sshd [ 2023] 0 2023 3648 40 13 3 0 0 getty [ 2126] 0 2126 3648 42 13 3 0 0 getty [ 2127] 0 2127 3648 42 13 3 0 0 getty [ 2128] 0 2128 3648 44 11 3 0 0 getty [ 2129] 0 2129 3648 42 13 3 0 0 getty [ 2130] 0 2130 3648 43 13 3 0 0 getty [ 2131] 0 2131 3648 43 13 3 0 0 getty [ 2132] 0 2132 17820 197 40 3 0 0 sshd [ 2134] 0 2134 4380 1 4 2 0 0 syz-executor007 [ 2135] 0 2135 4380 10 4 2 0 0 syz-executor007 [ 2136] 0 2136 4380 10 4 2 0 0 syz-executor007 [ 2137] 0 2137 4380 0 5 2 0 1000 syz-executor007 [ 2138] 0 2138 4380 10 4 2 0 0 syz-executor007 [ 2139] 0 2139 4380 10 4 2 0 0 syz-executor007 [ 2140] 0 2140 4380 10 4 2 0 0 syz-executor007 [ 2141] 0 2141 4380 10 4 2 0 0 syz-executor007 [ 2142] 0 2142 4380 10 5 2 0 1000 syz-executor007 [ 2143] 0 2143 4380 10 5 2 0 1000 syz-executor007 [ 2144] 0 2144 4380 10 5 2 0 1000 syz-executor007 [ 2145] 0 2145 4380 10 5 2 0 1000 syz-executor007 [ 2146] 0 2146 4380 10 5 2 0 1000 syz-executor007 Out of memory: Kill process 2142 (syz-executor007) score 999 or sacrifice child Killed process 2142 (syz-executor007) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2142 (syz-executor007), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor007 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2145 Comm: syz-executor007 Tainted: G W 4.9.186+ #12 ffff8801cf9e76a8 ffffffff81b5a0b1 ffff8801cf9e7a00 ffffffff833f11f0 00000000000003e8 ffff8801cf9e7a18 0000000000000000 ffff8801cf9e7728 ffffffff815054bb 0000000000000000 00000000000003e8 ffffffff8281c215 Call Trace: [<00000000cd8b33f4>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cd8b33f4>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000007b9aa85d>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<000000008301138f>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000e8755012>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000e8755012>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000fdec9d2e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000fdec9d2e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000fdec9d2e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000cb6f62d9>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000cb6f62d9>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000cb6f62d9>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000cb6f62d9>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000cb6f62d9>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000b09e8b39>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000b09e8b39>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000b09e8b39>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000b1a82547>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000cb76fdb8>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c953dd44>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000053b80a8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000053b80a8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000181a8e7e>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000181a8e7e>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000008f5fb7a2>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<000000008f5fb7a2>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000023ec5ea9>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000033900483>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000033900483>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000006a36c398>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000550962a7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3221 inactive_anon:40 isolated_anon:0 active_file:18 inactive_file:30 isolated_file:0 unevictable:0 dirty:18 writeback:0 unstable:0 slab_reclaimable:4303 slab_unreclaimable:56967 mapped:26 shmem:48 pagetables:359 bounce:0 free:6012 free_pcp:76 free_cma:0 Node 0 active_anon:12884kB inactive_anon:160kB active_file:72kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:104kB dirty:72kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:8 all_unreclaimable? no DMA32 free:18612kB 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:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB Normal free:5436kB min:5580kB low:9168kB high:12756kB active_anon:12884kB inactive_anon:160kB active_file:72kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17212kB slab_unreclaimable:227868kB kernel_stack:3392kB pagetables:1436kB bounce:0kB free_pcp:184kB local_pcp:184kB free_cma:0kB DMA32: 2*4kB (M) 4*8kB (UM) 2*16kB (M) 2*32kB (UM) 1*64kB (M) 4*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18632kB 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 313625 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5392 195 17 3 0 -1000 udevd [ 578] 0 578 5381 172 16 3 0 -1000 udevd [ 579] 0 579 5383 172 16 3 0 -1000 udevd [ 1759] 0 1759 2492 573 7 3 0 0 dhclient [ 1892] 0 1892 14231 109 24 3 0 0 rsyslogd [ 1947] 0 1947 3734 44 11 3 0 0 mcstransd [ 1949] 0 1949 4724 51 15 3 0 0 cron [ 1975] 0 1975 12926 1228 27 3 0 0 restorecond [ 1993] 0 1993 12489 152 28 3 0 -1000 sshd [ 2023] 0 2023 3648 40 13 3 0 0 getty [ 2126] 0 2126 3648 42 13 3 0 0 getty [ 2127] 0 2127 3648 42 13 3 0 0 getty [ 2128] 0 2128 3648 44 11 3 0 0 getty [ 2129] 0 2129 3648 42 13 3 0 0 getty [ 2130] 0 2130 3648 43 13 3 0 0 getty [ 2131] 0 2131 3648 43 13 3 0 0 getty [ 2132] 0 2132 17820 197 40 3 0 0 sshd [ 2134] 0 2134 4380 1 4 2 0 0 syz-executor007 [ 2135] 0 2135 4380 10 4 2 0 0 syz-executor007 [ 2136] 0 2136 4380 10 4 2 0 0 syz-executor007 [ 2137] 0 2137 4380 0 5 2 0 1000 syz-executor007 [ 2138] 0 2138 4380 10 4 2 0 0 syz-executor007 [ 2139] 0 2139 4380 10 4 2 0 0 syz-executor007 [ 2140] 0 2140 4380 10 4 2 0 0 syz-executor007 [ 2141] 0 2141 4380 10 4 2 0 0 syz-executor007 [ 2142] 0 2142 4380 0 5 2 0 1000 syz-executor007 [ 2143] 0 2143 4380 10 5 2 0 1000 syz-executor007 [ 2144] 0 2144 4380 10 5 2 0 1000 syz-executor007 [ 2145] 0 2145 4380 10 5 2 0 1000 syz-executor007 [ 2146] 0 2146 4380 10 5 2 0 1000 syz-executor007 Out of memory: Kill process 2143 (syz-executor007) score 999 or sacrifice child Killed process 2143 (syz-executor007) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB syz-executor007: vmalloc: allocation failure, allocated 1221107712 of 3221229568 bytes syz-executor007: , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ca4b7aa8 ffffffff81506773 0000000041b58ab3 ffffffff82e3a4c0 ffffffff81430350 Call Trace: [<00000000cd8b33f4>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cd8b33f4>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002bb6204d>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000db1c4e0c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000db1c4e0c>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<00000000b09e8b39>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000b09e8b39>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000b09e8b39>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000b1a82547>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000cb76fdb8>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c953dd44>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000053b80a8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000053b80a8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000181a8e7e>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000181a8e7e>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000008f5fb7a2>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<000000008f5fb7a2>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000023ec5ea9>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000033900483>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000033900483>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000006a36c398>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000550962a7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: CPU: 1 PID: 2143 Comm: syz-executor007 Tainted: G W 4.9.186+ #12 active_anon:3213 inactive_anon:40 isolated_anon:0 active_file:17 inactive_file:27 isolated_file:0 unevictable:0 dirty:18 writeback:0 unstable:0 slab_reclaimable:4303 slab_unreclaimable:56967 mapped:26 shmem:48 pagetables:359 bounce:0 free:61 free_pcp:0 free_cma:0 ffff8801c467f980 Node 0 active_anon:12852kB inactive_anon:160kB active_file:68kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:104kB dirty:72kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:6 all_unreclaimable? no ffffffff81b5a0b1DMA32 free:28kB 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:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB dffffc0000000000 0 3505 ffffffff82aaa9c0 3505 0000000000000000 0000000000400000Normal free:216kB min:5580kB low:9168kB high:12756kB active_anon:12852kB inactive_anon:160kB active_file:68kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17212kB slab_unreclaimable:227868kB kernel_stack:3392kB pagetables:1436kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ffff8801c467faa8 0 0 ffffffff81506773 0000000041b58ab3DMA32: ffffffff82e3a4c00*4kB ffffffff814303500*8kB 0*16kB Call Trace: 0*32kB 0*64kB [<00000000cd8b33f4>] __dump_stack lib/dump_stack.c:15 [inline] 0*32kB 0*64kB [<00000000cd8b33f4>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 0*128kB [<000000002bb6204d>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 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 [<00000000db1c4e0c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000db1c4e0c>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 Total swap = 0kB 1965979 pages RAM [<00000000b09e8b39>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000b09e8b39>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000b09e8b39>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 0 pages HighMem/MovableOnly 313625 pages reserved [<00000000b1a82547>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000cb76fdb8>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c953dd44>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000053b80a8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000053b80a8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000181a8e7e>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000181a8e7e>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000008f5fb7a2>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<000000008f5fb7a2>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000023ec5ea9>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000033900483>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000033900483>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000006a36c398>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000550962a7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3213 inactive_anon:40 isolated_anon:0 active_file:17 inactive_file:27 isolated_file:0 unevictable:0 dirty:18 writeback:0 unstable:0 slab_reclaimable:4303 slab_unreclaimable:56967 mapped:26 shmem:48 pagetables:359 bounce:0 free:61 free_pcp:0 free_cma:0 Node 0 active_anon:12852kB inactive_anon:160kB active_file:68kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:104kB dirty:72kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:6 all_unreclaimable? no DMA32 free:28kB 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:3020100kB 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:216kB min:5580kB low:9168kB high:12756kB active_anon:12852kB inactive_anon:160kB active_file:68kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17212kB slab_unreclaimable:227868kB kernel_stack:3392kB pagetables:1436kB 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 313625 pages reserved oom_reaper: reaped process 2143 (syz-executor007), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor007: vmalloc: allocation failure, allocated 1125666816 of 3221229568 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2142 Comm: syz-executor007 Tainted: G W 4.9.186+ #12 ffff8801c4e2f980 ffffffff81b5a0b1 1ffff100389c5f32 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801c4e2faa8 ffffffff81506773 0000000041b58ab3 ffffffff82e3a4c0 ffffffff81430350 Call Trace: [<00000000cd8b33f4>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cd8b33f4>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002bb6204d>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000db1c4e0c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000db1c4e0c>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<00000000b09e8b39>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000b09e8b39>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000b09e8b39>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000b1a82547>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000cb76fdb8>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c953dd44>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000053b80a8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000053b80a8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000181a8e7e>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000181a8e7e>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000008f5fb7a2>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<000000008f5fb7a2>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000023ec5ea9>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000033900483>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000033900483>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000006a36c398>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000550962a7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3213 inactive_anon:40 isolated_anon:0 active_file:17 inactive_file:27 isolated_file:0 unevictable:0 dirty:18 writeback:0 unstable:0 slab_reclaimable:4303 slab_unreclaimable:56967 mapped:26 shmem:48 pagetables:359 bounce:0 free:61 free_pcp:6 free_cma:0 Node 0 active_anon:12852kB inactive_anon:160kB active_file:68kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:104kB dirty:72kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:6 all_unreclaimable? no DMA32 free:28kB 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:3020100kB 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:216kB min:5580kB low:9168kB high:12756kB active_anon:12852kB inactive_anon:160kB active_file:68kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17212kB slab_unreclaimable:227868kB kernel_stack:3392kB pagetables:1436kB bounce:0kB free_pcp:24kB local_pcp:24kB 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 313625 pages reserved ODEBUG: Out of memory. ODEBUG disabled lowmemorykiller: Killing 'syz-executor007' (2144) (tgid 2144), adj 1000, to free 40kB on behalf of 'kswapd0' (33) because cache 3308kB is below limit 6144kB for oom_score_adj 0 Free memory is -6956kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0 INFO: lockdep is turned off. Preemption disabled at:[ 478.972921] [<0000000023e04faf>] spin_lock include/linux/spinlock.h:302 [inline] Preemption disabled at:[ 478.972921] [<0000000023e04faf>] task_lock include/linux/sched.h:3217 [inline] Preemption disabled at:[ 478.972921] [<0000000023e04faf>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 0 PID: 33 Comm: kswapd0 Tainted: G W 4.9.186+ #12 ffff8801d840f7c0 ffffffff81b5a0b1 0000000000000000 0000000000000001 ffff8801d9942f80 ffffffff810d0cc0 ffff8801d9942f80 ffff8801d840f7f8 ffffffff8140032c ffff8801d9942f80 ffffffff82a39940 0000000000000387 Call Trace: [<00000000cd8b33f4>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cd8b33f4>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002615dce7>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<00000000299cb9a9>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<000000004df36efc>] mmput+0x28/0x370 kernel/fork.c:903 [<00000000a68728c3>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<0000000062b3e664>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000e5b2c6ab>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000e5b2c6ab>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000a99acf11>] shrink_slab mm/vmscan.c:466 [inline] [<00000000a99acf11>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<000000009dfc527f>] kswapd_shrink_node mm/vmscan.c:3209 [inline] [<000000009dfc527f>] balance_pgdat mm/vmscan.c:3329 [inline] [<000000009dfc527f>] kswapd+0x7f8/0x13b0 mm/vmscan.c:3523 [<00000000e492f4ce>] kthread+0x278/0x310 kernel/kthread.c:211 [<00000000b27b2050>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 oom_reaper: reaped process 2145 (syz-executor007), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor007: vmalloc: allocation failure, allocated 1771294720 of 3221229568 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2145 Comm: syz-executor007 Tainted: G W 4.9.186+ #12 ffff8801cf9e7980 ffffffff81b5a0b1 1ffff10039f3cf32 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801cf9e7aa8 ffffffff81506773 0000000041b58ab3 ffffffff82e3a4c0 ffffffff81430350 Call Trace: [<00000000cd8b33f4>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cd8b33f4>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002bb6204d>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000db1c4e0c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000db1c4e0c>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<00000000b09e8b39>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000b09e8b39>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000b09e8b39>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000b1a82547>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000cb76fdb8>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c953dd44>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000053b80a8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000053b80a8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000181a8e7e>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000181a8e7e>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000008f5fb7a2>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<000000008f5fb7a2>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000023ec5ea9>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000033900483>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000033900483>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000006a36c398>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000550962a7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3262 inactive_anon:40 isolated_anon:0 active_file:24 inactive_file:28 isolated_file:13 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4303 slab_unreclaimable:56009 mapped:62 shmem:48 pagetables:344 bounce:0 free:148 free_pcp:33 free_cma:0 Node 0 active_anon:13048kB inactive_anon:160kB active_file:96kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):52kB mapped:248kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:27 all_unreclaimable? yes DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:100kB inactive_anon:0kB active_file:172kB inactive_file:36kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB Normal free:612kB min:5580kB low:9168kB high:12756kB active_anon:12848kB inactive_anon:160kB active_file:96kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17212kB slab_unreclaimable:224036kB kernel_stack:3392kB pagetables:1376kB bounce:0kB free_pcp:128kB 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 313625 pages reserved syz-executor007: vmalloc: allocation failure, allocated 2538627072 of 3221229568 bytes[ 479.927406] oom_reaper: reaped process 2144 (syz-executor007), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2146 (syz-executor007), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor007: vmalloc: allocation failure, allocated 2874327040 of 3221229568 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2146 Comm: syz-executor007 Tainted: G W 4.9.186+ #12 ffff8801c4517980 ffffffff81b5a0b1 1ffff100388a2f32 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801c4517aa8 ffffffff81506773 0000000041b58ab3 ffffffff82e3a4c0 ffffffff81430350Call Trace: [<00000000cd8b33f4>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cd8b33f4>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002bb6204d>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000db1c4e0c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000db1c4e0c>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<00000000b09e8b39>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000b09e8b39>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000b09e8b39>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000b1a82547>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000cb76fdb8>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c953dd44>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000053b80a8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000053b80a8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000181a8e7e>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000181a8e7e>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000008f5fb7a2>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<000000008f5fb7a2>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000023ec5ea9>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000033900483>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000033900483>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000006a36c398>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000550962a7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3276 inactive_anon:40 isolated_anon:0 active_file:9 inactive_file:59 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4310 slab_unreclaimable:56038 mapped:14 shmem:48 pagetables:363 bounce:0 free:324 free_pcp:182 free_cma:0 Node 0 active_anon:13104kB inactive_anon:160kB active_file:36kB inactive_file:236kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:64 all_unreclaimable? yes DMA32 free:88kB min:4696kB low:7712kB high:10728kB active_anon:216kB inactive_anon:0kB active_file:0kB inactive_file:140kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:24kB slab_unreclaimable:84kB kernel_stack:32kB pagetables:28kB bounce:0kB free_pcp:576kB local_pcp:456kB free_cma:0kB 0 3505 3505Normal free:1208kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:160kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17216kB slab_unreclaimable:224068kB kernel_stack:3360kB pagetables:1424kB bounce:0kB free_pcp:152kB local_pcp:152kB free_cma:0kB 0 0 0DMA32: 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 313625 pages reserved syz-executor007 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2147 Comm: syz-executor007 Tainted: G W 4.9.186+ #12 ffff880146b276a8 ffffffff81b5a0b1 ffff880146b27a00 ffffffff833f11f0 00000000000003e8 ffff880146b27a18 0000000000000000 ffff880146b27728 ffffffff815054bb 0000000000000000 00000000000003e8 ffffffff8281c215Call Trace: [<00000000cd8b33f4>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cd8b33f4>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000007b9aa85d>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<000000008301138f>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000e8755012>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000e8755012>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000fdec9d2e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000fdec9d2e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000fdec9d2e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000cb6f62d9>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000cb6f62d9>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000cb6f62d9>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000cb6f62d9>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000cb6f62d9>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000b09e8b39>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000b09e8b39>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000b09e8b39>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000b1a82547>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000cb76fdb8>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c953dd44>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000053b80a8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000053b80a8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000181a8e7e>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000181a8e7e>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000008f5fb7a2>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<000000008f5fb7a2>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000023ec5ea9>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000033900483>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000033900483>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000006a36c398>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000550962a7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3276 inactive_anon:40 isolated_anon:0 active_file:9 inactive_file:59 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4310 slab_unreclaimable:56038 mapped:14 shmem:48 pagetables:363 bounce:0 free:2460 free_pcp:360 free_cma:0 Node 0 active_anon:13104kB inactive_anon:160kB active_file:36kB inactive_file:236kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes DMA32 free:88kB min:4696kB low:7712kB high:10728kB active_anon:216kB inactive_anon:0kB active_file:0kB inactive_file:140kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:24kB slab_unreclaimable:84kB kernel_stack:32kB pagetables:28kB bounce:0kB free_pcp:576kB local_pcp:120kB free_cma:0kB 0 3505 3505Normal free:10052kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:160kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17216kB slab_unreclaimable:224068kB kernel_stack:3360kB pagetables:1424kB bounce:0kB free_pcp:796kB local_pcp:120kB free_cma:0kB 0 0 0DMA32: 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 [<00000000cd8b33f4>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cd8b33f4>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 1965979 pages RAM 0 pages HighMem/MovableOnly [ 470] 0 470