Free memory is -13124kB above reserved lowmemorykiller: Killing 'syz-executor335' (2071) (tgid 2071), adj 1000, to free 40kB on behalf of 'syz-executor335' (2077) because cache 32832kB is below limit 65536kB for oom_score_adj 12 Free memory is -12920kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 2077, name: syz-executor335 2 locks held by syz-executor335/2077: #0: (shrinker_rwsem){++++..}, at: [<0000000025f7965a>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<0000000077c8878c>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 Preemption disabled at: [<00000000c502d4ab>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000c502d4ab>] task_lock include/linux/sched.h:3217 [inline] [<00000000c502d4ab>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 0 PID: 2077 Comm: syz-executor335 Not tainted 4.9.185+ #8 ffff8801ceacf408 ffffffff81b5a081 0000000000000000 0000000000000001 ffff8801ceb32f80 ffffffff810d0ca0 ffff8801ceb32f80 ffff8801ceacf440 ffffffff814002fc ffff8801ceb32f80 ffffffff82a39940 0000000000000387 Call Trace: [<00000000dec5aed0>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000dec5aed0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000da691524>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000003ec206bf>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000a2443017>] mmput+0x28/0x370 kernel/fork.c:903 [<000000007aa14e54>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000006c74b414>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000c4620093>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000c4620093>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<000000001e9042af>] shrink_slab mm/vmscan.c:466 [inline] [<000000001e9042af>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<000000003f45358c>] shrink_zones mm/vmscan.c:2751 [inline] [<000000003f45358c>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<000000003f45358c>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000005865494f>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000005865494f>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000005865494f>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000005865494f>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<0000000063e5657f>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000063e5657f>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000063e5657f>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000063e5657f>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000063e5657f>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000189527a0>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000189527a0>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000189527a0>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000714a275b>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000ff48f265>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000261c6972>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000039c45565>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000005bb258ec>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb ================================= [ INFO: inconsistent lock state ] 4.9.185+ #8 Tainted: G W --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor335/2077 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<0000000098d83a1d>] 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: 559255 hardirqs last enabled at (559255): [<00000000bd0bd9c4>] restore_regs_and_iret+0x0/0x1d hardirqs last disabled at (559254): [<00000000112758bf>] call_function_single_interrupt+0x98/0xb0 arch/x86/entry/entry_64.S:671 softirqs last enabled at (557406): [<00000000e9dc0a10>] __do_softirq+0x474/0x964 kernel/softirq.c:314 softirqs last disabled at (557399): [<000000009db6a9c1>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (557399): [<000000009db6a9c1>] 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-executor335/2077: #0: (shrinker_rwsem){++++..}, at: [<0000000025f7965a>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<0000000077c8878c>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 #2: (lmk_event_lock){+.+.-.}, at: [<0000000097c48b79>] spin_lock include/linux/spinlock.h:302 [inline] #2: (lmk_event_lock){+.+.-.}, at: [<0000000097c48b79>] handle_lmk_event+0xfb/0x8a0 drivers/staging/android/lowmemorykiller.c:114 stack backtrace: CPU: 0 PID: 2077 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 ffff8801ceacf150 ffffffff81b5a081 00000000000000f0 ffff8801ceb32f80 ffffffff83caf5b0 ffff8801ceb338c8 ffffffff84250ec0 ffff8801ceacf1c8 ffffffff81406d39 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<00000000dec5aed0>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000dec5aed0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000003190ef65>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<000000003190ef65>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<0000000045bee69e>] valid_state kernel/locking/lockdep.c:2400 [inline] [<0000000045bee69e>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<0000000045bee69e>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<00000000f7ebcb99>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<00000000f7ebcb99>] __lock_acquire+0x5c3/0x4350 kernel/locking/lockdep.c:3302 [<00000000be92e8ab>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<000000007fcb28fe>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<0000000098d83a1d>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<000000004a70f496>] handle_lmk_event+0x13c/0x8a0 drivers/staging/android/lowmemorykiller.c:128 [<000000006c74b414>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000c4620093>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000c4620093>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<000000001e9042af>] shrink_slab mm/vmscan.c:466 [inline] [<000000001e9042af>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<000000003f45358c>] shrink_zones mm/vmscan.c:2751 [inline] [<000000003f45358c>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<000000003f45358c>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000005865494f>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000005865494f>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000005865494f>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000005865494f>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<0000000063e5657f>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000063e5657f>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000063e5657f>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000063e5657f>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000063e5657f>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000189527a0>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000189527a0>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000189527a0>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000714a275b>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000ff48f265>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000261c6972>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000039c45565>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000005bb258ec>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb oom_reaper: reaped process 2071 (syz-executor335), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor335 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2078 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 ffff8801cea77730 ffffffff81b5a081 ffff8801cea77a88 ffffffff833f11b0 00000000000003e8 ffff8801cea77aa0 0000000000000000 ffff8801cea777b0 ffffffff8150548b 0000000000000000 00000000000003e8 ffffffff8281c265 Call Trace: [<00000000dec5aed0>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000dec5aed0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000ee0b17fb>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000e2c2edc7>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000af0a1235>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000af0a1235>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<0000000081193d97>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<0000000081193d97>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<0000000081193d97>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<0000000063e5657f>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000063e5657f>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000063e5657f>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000063e5657f>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000063e5657f>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000189527a0>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000189527a0>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000189527a0>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000714a275b>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000ff48f265>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000261c6972>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000039c45565>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000005bb258ec>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3222 inactive_anon:40 isolated_anon:0 active_file:22 inactive_file:26 isolated_file:0 unevictable:0 dirty:9 writeback:0 unstable:0 slab_reclaimable:4265 slab_unreclaimable:56844 mapped:28 shmem:48 pagetables:355 bounce:0 free:6061 free_pcp:39 free_cma:0 Node 0 active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18712kB 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:5532kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227376kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:156kB local_pcp:156kB free_cma:0kB DMA32: 2*4kB (M) 7*8kB (UM) 6*16kB (UM) 3*32kB (UM) 1*64kB (M) 4*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18752kB 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 5384 180 16 3 0 -1000 udevd [ 586] 0 586 5379 180 15 3 0 -1000 udevd [ 588] 0 588 5383 180 15 3 0 -1000 udevd [ 1769] 0 1769 2492 574 7 3 0 0 dhclient [ 1910] 0 1910 14231 108 23 3 0 0 rsyslogd [ 1964] 0 1964 4724 50 15 3 0 0 cron [ 1983] 0 1983 3735 45 11 3 0 0 mcstransd [ 1985] 0 1985 12926 1227 28 3 0 0 restorecond [ 2011] 0 2011 12489 153 28 3 0 -1000 sshd [ 2041] 0 2041 3648 39 13 3 0 0 getty [ 2048] 0 2048 3648 43 13 3 0 0 getty [ 2049] 0 2049 3648 42 13 3 0 0 getty [ 2050] 0 2050 3648 44 13 3 0 0 getty [ 2051] 0 2051 3648 43 13 3 0 0 getty [ 2052] 0 2052 3648 44 13 3 0 0 getty [ 2053] 0 2053 3648 44 12 3 0 0 getty [ 2066] 0 2066 17820 208 40 3 0 0 sshd [ 2068] 0 2068 4380 1 4 2 0 0 syz-executor335 [ 2069] 0 2069 4380 10 4 2 0 0 syz-executor335 [ 2070] 0 2070 4380 10 4 2 0 0 syz-executor335 [ 2071] 0 2071 4380 0 5 2 0 1000 syz-executor335 [ 2072] 0 2072 4380 10 4 2 0 0 syz-executor335 [ 2073] 0 2073 4380 10 4 2 0 0 syz-executor335 [ 2074] 0 2074 4380 10 4 2 0 0 syz-executor335 [ 2075] 0 2075 4380 10 4 2 0 0 syz-executor335 [ 2076] 0 2076 4380 10 5 2 0 1000 syz-executor335 [ 2077] 0 2077 4380 10 5 2 0 1000 syz-executor335 [ 2078] 0 2078 4380 10 5 2 0 1000 syz-executor335 [ 2079] 0 2079 4380 10 5 2 0 1000 syz-executor335 [ 2080] 0 2080 4380 10 5 2 0 1000 syz-executor335 Out of memory: Kill process 2076 (syz-executor335) score 999 or sacrifice child Killed process 2076 (syz-executor335) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB syz-executor335: vmalloc: allocation failure, allocated 1196457984 of 4294795264 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2071 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 ffff8801cee6fa08 ffffffff81b5a081 1ffff10039dcdf43 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801cee6fb30 ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 Call Trace: [<00000000dec5aed0>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000dec5aed0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000085f29153>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000050a16781>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<0000000050a16781>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<00000000189527a0>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000189527a0>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000189527a0>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000714a275b>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000ff48f265>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000261c6972>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000039c45565>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000005bb258ec>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3222 inactive_anon:40 isolated_anon:0 active_file:22 inactive_file:26 isolated_file:0 unevictable:0 dirty:9 writeback:0 unstable:0 slab_reclaimable:4265 slab_unreclaimable:56844 mapped:28 shmem:48 pagetables:355 bounce:0 free:30 free_pcp:0 free_cma:0 Node 0 active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:36kB 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: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:140kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227376kB kernel_stack:3456kB pagetables:1420kB 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 2076 (syz-executor335), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor335 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2080 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 ffff8801cccdf730 ffffffff81b5a081 ffff8801cccdfa88 ffffffff833f11b0 00000000000003e8 ffff8801cccdfaa0 0000000000000000 ffff8801cccdf7b0 ffffffff8150548b 0000000000000000 00000000000003e8 ffffffff8281c265 Call Trace: [<00000000dec5aed0>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000dec5aed0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000ee0b17fb>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000e2c2edc7>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000af0a1235>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000af0a1235>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<0000000081193d97>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<0000000081193d97>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<0000000081193d97>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<0000000063e5657f>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000063e5657f>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000063e5657f>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000063e5657f>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000063e5657f>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000189527a0>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000189527a0>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000189527a0>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000714a275b>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000ff48f265>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000261c6972>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000039c45565>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000005bb258ec>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3222 inactive_anon:40 isolated_anon:0 active_file:22 inactive_file:26 isolated_file:0 unevictable:0 dirty:9 writeback:0 unstable:0 slab_reclaimable:4265 slab_unreclaimable:56844 mapped:28 shmem:48 pagetables:355 bounce:0 free:30 free_pcp:0 free_cma:0 Node 0 active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:36kB 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: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:140kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227376kB kernel_stack:3456kB pagetables:1420kB 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 [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 180 16 3 0 -1000 udevd [ 586] 0 586 5379 180 15 3 0 -1000 udevd [ 588] 0 588 5383 180 15 3 0 -1000 udevd [ 1769] 0 1769 2492 574 7 3 0 0 dhclient [ 1910] 0 1910 14231 108 23 3 0 0 rsyslogd [ 1964] 0 1964 4724 50 15 3 0 0 cron [ 1983] 0 1983 3735 45 11 3 0 0 mcstransd [ 1985] 0 1985 12926 1227 28 3 0 0 restorecond [ 2011] 0 2011 12489 153 28 3 0 -1000 sshd [ 2041] 0 2041 3648 39 13 3 0 0 getty [ 2048] 0 2048 3648 43 13 3 0 0 getty [ 2049] 0 2049 3648 42 13 3 0 0 getty [ 2050] 0 2050 3648 44 13 3 0 0 getty [ 2051] 0 2051 3648 43 13 3 0 0 getty [ 2052] 0 2052 3648 44 13 3 0 0 getty [ 2053] 0 2053 3648 44 12 3 0 0 getty [ 2066] 0 2066 17820 199 40 3 0 0 sshd [ 2068] 0 2068 4380 1 4 2 0 0 syz-executor335 [ 2069] 0 2069 4380 10 4 2 0 0 syz-executor335 [ 2070] 0 2070 4380 10 4 2 0 0 syz-executor335 [ 2071] 0 2071 4380 0 5 2 0 1000 syz-executor335 [ 2072] 0 2072 4380 10 4 2 0 0 syz-executor335 [ 2073] 0 2073 4380 10 4 2 0 0 syz-executor335 [ 2074] 0 2074 4380 10 4 2 0 0 syz-executor335 [ 2075] 0 2075 4380 10 4 2 0 0 syz-executor335 [ 2076] 0 2076 4380 0 5 2 0 1000 syz-executor335 [ 2077] 0 2077 4380 10 5 2 0 1000 syz-executor335 [ 2078] 0 2078 4380 10 5 2 0 1000 syz-executor335 [ 2079] 0 2079 4380 10 5 2 0 1000 syz-executor335 [ 2080] 0 2080 4380 10 5 2 0 1000 syz-executor335 Out of memory: Kill process 2077 (syz-executor335) score 999 or sacrifice child Killed process 2077 (syz-executor335) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB syz-executor335: vmalloc: allocation failure, allocated 1160564736 of 4294795264 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2076 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 ffff8801ceac7a08 ffffffff81b5a081 1ffff10039d58f43 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ceac7b30 ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 Call Trace: [<00000000dec5aed0>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000dec5aed0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000085f29153>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000050a16781>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<0000000050a16781>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<00000000189527a0>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000189527a0>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000189527a0>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000714a275b>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000ff48f265>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000261c6972>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000039c45565>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000005bb258ec>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3222 inactive_anon:40 isolated_anon:0 active_file:22 inactive_file:26 isolated_file:0 unevictable:0 dirty:9 writeback:0 unstable:0 slab_reclaimable:4265 slab_unreclaimable:56844 mapped:28 shmem:48 pagetables:355 bounce:0 free:30 free_pcp:0 free_cma:0 Node 0 active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:36kB 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: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:140kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227376kB kernel_stack:3456kB pagetables:1420kB 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 syz-executor335: vmalloc: allocation failure, allocated 1134215168 of 4294795264 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2077 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 ffff8801ceacfa08 ffffffff81b5a081 1ffff10039d59f43 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ceacfb30 ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 Call Trace: [<00000000dec5aed0>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000dec5aed0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000085f29153>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000050a16781>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<0000000050a16781>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<00000000189527a0>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000189527a0>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000189527a0>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000714a275b>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000ff48f265>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000261c6972>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000039c45565>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000005bb258ec>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3222 inactive_anon:40 isolated_anon:0 active_file:22 inactive_file:26 isolated_file:0 unevictable:0 dirty:9 writeback:0 unstable:0 slab_reclaimable:4265 slab_unreclaimable:56844 mapped:28 shmem:48 pagetables:355 bounce:0 free:30 free_pcp:0 free_cma:0 Node 0 active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:36kB 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: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:140kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227376kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:16kB 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 [ 40.546083] oom_reaper: reaped process 2077 (syz-executor335), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 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-executor335' (2078) (tgid 2078), adj 1000, to free 40kB on behalf of 'syz-executor335' (2082) because cache 3072kB is below limit 6144kB for oom_score_adj 0 Free memory is -13448kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 2082, name: syz-executor335 INFO: lockdep is turned off. Preemption disabled at: [<00000000c502d4ab>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000c502d4ab>] task_lock include/linux/sched.h:3217 [inline] [<00000000c502d4ab>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 0 PID: 2082 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 ffff8801ceacf408 ffffffff81b5a081 0000000000000000 0000000000000001 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: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 [ 2079] 0 2079 4380 10 5 2 0 1000 syz-executor335 [ 2080] 0 2080 4380 10 5 2 0 1000 syz-executor335 [ 2081] 0 2081 4380 10 5 2 0 1000 syz-executor335 [ 2082] 0 2082 4380 10 5 2 0 1000 syz-executor335 [ 2083] 0 2083 4380 10 5 2 0 1000 syz-executor335 [ 2084] 0 2084 2666 34 8 3 0 0 init [ 2085] 0 2085 2666 34 8 3 0 0 init [ 2086] 0 2086 2666 34 8 3 0 0 init [ 2087] 0 2087 2666 34 8 3 0 0 init [ 2088] 0 2088 2666 34 8 3 0 0 init [ 2089] 0 2089 2666 34 8 3 0 0 init Out of memory: Kill process 2079 (syz-executor335) score 999 or sacrifice child Killed process 2079 (syz-executor335) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB syz-executor335: vmalloc: allocation failure, allocated 832843776 of 4294795264 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2079 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 ffff8801ccc3fa08 ffffffff81b5a081 1ffff10039987f43 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ccc3fb30 ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 Call Trace: [<00000000dec5aed0>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000dec5aed0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000085f29153>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 lowmem_reserve[]: 0 0 0 [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3029 inactive_anon:40 isolated_anon:0 active_file:0 inactive_file:26 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4271 slab_unreclaimable:56765 mapped:7 shmem:48 pagetables:326 bounce:0 free:1382 free_pcp:44 free_cma:0 Node 0 active_anon:12116kB inactive_anon:160kB active_file:0kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:84 all_unreclaimable? no DMA32 free:64kB 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:5464kB min:5580kB low:9168kB high:12756kB active_anon:12116kB inactive_anon:160kB active_file:0kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17084kB slab_unreclaimable:227060kB kernel_stack:3456kB pagetables:1304kB bounce:0kB free_pcp:176kB local_pcp:120kB 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 [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 180 16 3 0 -1000 udevd [ 586] 0 586 5379 180 15 3 0 -1000 udevd [ 588] 0 588 5383 180 15 3 0 -1000 udevd [ 1769] 0 1769 2492 574 7 3 0 0 dhclient [ 1910] 0 1910 14231 108 23 3 0 0 rsyslogd [ 1964] 0 1964 4724 50 15 3 0 0 cron [ 1983] 0 1983 3735 45 11 3 0 0 mcstransd [ 2081] 0 2081 4380 0 5 2 0 1000 syz-executor335 [ 2082] 0 2082 4380 10 5 2 0 1000 syz-executor335 [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000ff48f265>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000261c6972>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000039c45565>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000005bb258ec>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 2011] 0 2011 12489 153 28 3 0 -1000 sshd [ 2041] 0 2041 3648 39 13 3 0 0 getty [ 2066] 0 2066 17820 199 40 3 0 0 sshd syz-executor335 invoked oom-killer: gfp_mask=0x24082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=0, order=0, oom_score_adj=1000 [ 470] 0 470 5384 180 16 3 0 -1000 udevd [ 586] 0 586 5379 180 15 3 0 -1000 udevd [ 588] 0 588 5383 180 15 3 0 -1000 udevd [ 1769] 0 1769 2492 574 7 3 0 0 dhclient [ 1910] 0 1910 14231 108 23 3 0 0 rsyslogd [ 1964] 0 1964 4724 50 15 3 0 0 cron [ 1983] 0 1983 3735 45 11 3 0 0 mcstransd [ 1985] 0 1985 12926 1227 28 3 0 0 restorecond [ 2011] 0 2011 12489 153 28 3 0 -1000 sshd [ 2041] 0 2041 3648 39 13 3 0 0 getty [ 2066] 0 2066 17820 199 40 3 0 0 sshd [ 2068] 0 2068 4380 1 4 2 0 0 syz-executor335 [ 2069] 0 2069 4380 10 4 2 0 0 syz-executor335 [ 2070] 0 2070 4380 10 4 2 0 0 syz-executor335 [ 2072] 0 2072 4380 10 4 2 0 0 syz-executor335 [ 2073] 0 2073 4380 10 4 2 0 0 syz-executor335 [ 2074] 0 2074 4380 10 4 2 0 0 syz-executor335 [ 2075] 0 2075 4380 10 4 2 0 0 syz-executor335 [<0000000050a16781>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<0000000050a16781>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<00000000189527a0>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000189527a0>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000189527a0>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000ff48f265>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000261c6972>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000039c45565>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000005bb258ec>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3009 inactive_anon:40 isolated_anon:0 active_file:23 inactive_file:42 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4275 slab_unreclaimable:56702 mapped:47 shmem:48 pagetables:326 bounce:0 free:394 free_pcp:0 free_cma:0 [<00000000e2c2edc7>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000af0a1235>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000af0a1235>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<0000000081193d97>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<0000000081193d97>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<0000000081193d97>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861