lowmemorykiller: Killing 'syz-executor092' (2041) (tgid 2041), adj 1000, to free 44kB on behalf of 'syz-executor092' (2048) because cache 34004kB is below limit 65536kB for oom_score_adj 12 Free memory is -13312kB above reserved ================================= [ INFO: inconsistent lock state ] 4.9.190+ #1 Not tainted --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor092/2048 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<00000000d7d8c7fa>] 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] pte_alloc_one+0x23/0x110 arch/x86/mm/pgtable.c:29 __pte_alloc+0x26/0x1f0 mm/memory.c:570 move_page_tables+0xb4d/0xd60 mm/mremap.c:232 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: 543067 hardirqs last enabled at (543067): [<00000000db58cc1f>] vprintk_emit+0x25c/0x6f0 kernel/printk/printk.c:1897 hardirqs last disabled at (543066): [<00000000f1155899>] vprintk_emit+0x6d/0x6f0 kernel/printk/printk.c:1801 softirqs last enabled at (542756): [<00000000d251ff2b>] spin_unlock_bh include/linux/spinlock.h:352 [inline] softirqs last enabled at (542756): [<00000000d251ff2b>] wb_queue_work+0x1ed/0x450 fs/fs-writeback.c:203 softirqs last disabled at (542752): [<000000009f56375a>] spin_lock_bh include/linux/spinlock.h:307 [inline] softirqs last disabled at (542752): [<000000009f56375a>] 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-executor092/2048: #0: (shrinker_rwsem){++++..}, at: [<000000003f4e742f>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 stack backtrace: CPU: 1 PID: 2048 Comm: syz-executor092 Not tainted 4.9.190+ #1 ffff8801cfd0f060 ffffffff81b66c51 00000000000000f0 ffff8801d2044740 ffffffff83caf950 ffff8801d2045038 ffffffff84250fc0 ffff8801cfd0f0d8 ffffffff81408380 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<000000005a9c4ef8>] __dump_stack lib/dump_stack.c:15 [inline] [<000000005a9c4ef8>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000e141f0c9>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<00000000e141f0c9>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<000000000c75b44f>] valid_state kernel/locking/lockdep.c:2400 [inline] [<000000000c75b44f>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<000000000c75b44f>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<000000005ed565b3>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<000000005ed565b3>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302 [<00000000b06aecf4>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<00000000b91eea5b>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<00000000d7d8c7fa>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<00000000f2ef3252>] handle_lmk_event+0x169/0x920 drivers/staging/android/lowmemorykiller.c:116 [<00000000657038ae>] lowmem_scan+0x6f3/0xb70 drivers/staging/android/lowmemorykiller.c:354 [<00000000a1669742>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000a1669742>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<000000001821d125>] shrink_slab mm/vmscan.c:466 [inline] [<000000001821d125>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000a3de8840>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000a3de8840>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000a3de8840>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<00000000f6ea0627>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<00000000f6ea0627>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<00000000f6ea0627>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<00000000f6ea0627>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000bf77cc5b>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000bf77cc5b>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000bf77cc5b>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000bf77cc5b>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000bf77cc5b>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000fb91c8e1>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000fb91c8e1>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000fb91c8e1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000006e2142d>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000004e4a7f9f>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<000000004e4a7f9f>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<000000001ec42ec2>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000001ec42ec2>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000001409f91e>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<000000001409f91e>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000065f586bc>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<0000000065f586bc>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000007f30bbe5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000b97706df>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000b97706df>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000c37286c6>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000fffe8bbb>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb oom_reaper: reaped process 2041 (syz-executor092), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor092 invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 CPU: 1 PID: 2042 Comm: syz-executor092 Not tainted 4.9.190+ #1 ffff8801cf04f6f0 ffffffff81b66c51 ffff8801cf04fa48 ffffffff833f1b30 0000000000000000 ffff8801cf04fa60 0000000000000000 ffff8801cf04f770 ffffffff81506ab4 0000000000000000 0000000000000000 ffffffff82829dc5 Call Trace: [<000000005a9c4ef8>] __dump_stack lib/dump_stack.c:15 [inline] [<000000005a9c4ef8>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000148f2e4e>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000a73f4cf8>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000b5070ed0>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000b5070ed0>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000001645443e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000001645443e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000001645443e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000004f74d9c2>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000004f74d9c2>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000004f74d9c2>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000004f74d9c2>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<000000004f74d9c2>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<00000000a1f6c02f>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<00000000e3ee6a01>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<0000000091fc2043>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<00000000c1a2ecdf>] do_read_fault mm/memory.c:3202 [inline] [<00000000c1a2ecdf>] do_fault mm/memory.c:3338 [inline] [<00000000c1a2ecdf>] handle_pte_fault mm/memory.c:3547 [inline] [<00000000c1a2ecdf>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000c1a2ecdf>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<00000000ebe2f353>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1401 [<000000006d23ce6f>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1464 [<00000000db777e45>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 Mem-Info: active_anon:3341 inactive_anon:40 isolated_anon:0 active_file:22 inactive_file:7 isolated_file:0 unevictable:0 dirty:9 writeback:0 unstable:0 slab_reclaimable:4262 slab_unreclaimable:56785 mapped:21 shmem:48 pagetables:364 bounce:0 free:3827 free_pcp:26 free_cma:0 Node 0 active_anon:13364kB inactive_anon:160kB active_file:88kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:19 all_unreclaimable? no DMA32 free:15376kB 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:3020096kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:28kB local_pcp:0kB free_cma:0kB Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:13364kB inactive_anon:160kB active_file:88kB inactive_file:28kB unevictable:0kB writepending:4kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17048kB slab_unreclaimable:227140kB kernel_stack:3424kB pagetables:1456kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 4*4kB (UM) 3*8kB (UM) 2*16kB (M) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (M) 1*512kB (M) 3*1024kB (UM) 1*2048kB (M) 2*4096kB (M) = 15272kB 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 313626 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5392 193 17 3 0 -1000 udevd [ 589] 0 589 5482 272 16 3 0 -1000 udevd [ 590] 0 590 5383 173 16 3 0 -1000 udevd [ 1747] 0 1747 2492 573 9 3 0 0 dhclient [ 1886] 0 1886 14264 108 24 3 0 0 rsyslogd [ 1940] 0 1940 4724 51 15 3 0 0 cron [ 1959] 0 1959 3735 45 11 3 0 0 mcstransd [ 1961] 0 1961 12926 1228 26 3 0 0 restorecond [ 1987] 0 1987 12489 153 29 3 0 -1000 sshd [ 2017] 0 2017 3648 40 13 3 0 0 getty [ 2018] 0 2018 3648 42 13 3 0 0 getty [ 2019] 0 2019 3648 44 13 3 0 0 getty [ 2020] 0 2020 3648 42 13 3 0 0 getty [ 2021] 0 2021 3648 42 13 3 0 0 getty [ 2022] 0 2022 3648 42 14 3 0 0 getty [ 2023] 0 2023 3648 42 13 3 0 0 getty [ 2036] 0 2036 17820 197 39 4 0 0 sshd [ 2038] 0 2038 4380 1 4 2 0 0 syz-executor092 [ 2039] 0 2039 4380 11 4 2 0 0 syz-executor092 [ 2040] 0 2040 4380 11 4 2 0 0 syz-executor092 [ 2041] 0 2041 4380 0 5 2 0 1000 syz-executor092 [ 2042] 0 2042 4380 11 4 2 0 0 syz-executor092 [ 2043] 0 2043 4380 11 4 2 0 0 syz-executor092 [ 2044] 0 2044 4380 11 4 2 0 0 syz-executor092 [ 2045] 0 2045 4380 11 4 2 0 0 syz-executor092 [ 2046] 0 2046 4380 11 5 2 0 1000 syz-executor092 [ 2047] 0 2047 4380 11 5 2 0 1000 syz-executor092 [ 2048] 0 2048 4380 11 5 2 0 1000 syz-executor092 [ 2049] 0 2049 4380 11 5 2 0 1000 syz-executor092 [ 2050] 0 2050 4380 11 5 2 0 1000 syz-executor092 Out of memory: Kill process 2046 (syz-executor092) score 999 or sacrifice child Killed process 2046 (syz-executor092) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB syz-executor092: vmalloc: allocation failure, allocated 1221058560 of 4221095936 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2041 Comm: syz-executor092 Not tainted 4.9.190+ #1 ffff8801cf057a08 ffffffff81b66c51 1ffff10039e0af43 dffffc0000000000 ffffffff82aab280 0000000000000000 0000000000400000 ffff8801cf057b30 ffffffff81507d6c 0000000041b58ab3 ffffffff82e3b7e0 ffffffff81431970 Call Trace: [<000000005a9c4ef8>] __dump_stack lib/dump_stack.c:15 [inline] [<000000005a9c4ef8>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000005353b798>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000c059355d>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000c059355d>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<00000000fb91c8e1>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000fb91c8e1>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000fb91c8e1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000006e2142d>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000004e4a7f9f>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<000000004e4a7f9f>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<000000001ec42ec2>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000001ec42ec2>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000001409f91e>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<000000001409f91e>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000065f586bc>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<0000000065f586bc>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000007f30bbe5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000b97706df>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000b97706df>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000c37286c6>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000fffe8bbb>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3334 inactive_anon:40 isolated_anon:0 active_file:6 inactive_file:18 isolated_file:0 unevictable:0 dirty:9 writeback:0 unstable:0 slab_reclaimable:4262 slab_unreclaimable:56785 mapped:16 shmem:48 pagetables:364 bounce:0 free:11 free_pcp:0 free_cma:0 Node 0 active_anon:13336kB inactive_anon:160kB active_file:24kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:44kB 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:3020096kB 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:13336kB inactive_anon:160kB active_file:24kB inactive_file:72kB unevictable:0kB writepending:4kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17048kB slab_unreclaimable:227140kB kernel_stack:3424kB pagetables:1456kB 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 313626 pages reserved oom_reaper: reaped process 2046 (syz-executor092), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor092: vmalloc: allocation failure, allocated 1178267648 of 4221095936 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2046 Comm: syz-executor092 Not tainted 4.9.190+ #1 ffff8801d043fa08 ffffffff81b66c51 1ffff1003a087f43 dffffc0000000000 ffffffff82aab280 0000000000000000 0000000000400000 ffff8801d043fb30 ffffffff81507d6c 0000000041b58ab3 ffffffff82e3b7e0 ffffffff81431970 Call Trace: [<000000005a9c4ef8>] __dump_stack lib/dump_stack.c:15 [inline] [<000000005a9c4ef8>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000005353b798>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000c059355d>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000c059355d>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<00000000fb91c8e1>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000fb91c8e1>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000fb91c8e1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000006e2142d>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000004e4a7f9f>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<000000004e4a7f9f>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<000000001ec42ec2>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000001ec42ec2>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000001409f91e>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<000000001409f91e>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000065f586bc>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<0000000065f586bc>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000007f30bbe5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000b97706df>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000b97706df>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000c37286c6>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000fffe8bbb>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3334 inactive_anon:40 isolated_anon:0 active_file:6 inactive_file:18 isolated_file:0 unevictable:0 dirty:9 writeback:0 unstable:0 slab_reclaimable:4262 slab_unreclaimable:56785 mapped:16 shmem:48 pagetables:364 bounce:0 free:11 free_pcp:5 free_cma:0 Node 0 active_anon:13336kB inactive_anon:160kB active_file:24kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:44kB 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:3020096kB 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:13336kB inactive_anon:160kB active_file:24kB inactive_file:72kB unevictable:0kB writepending:4kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17048kB slab_unreclaimable:227140kB kernel_stack:3424kB pagetables:1456kB bounce:0kB free_pcp:20kB local_pcp:20kB 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 313626 pages reserved syz-executor092 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2049 Comm: syz-executor092 Not tainted 4.9.190+ #1 ffff8801c3b7f730 ffffffff81b66c51 ffff8801c3b7fa88 ffffffff833f1b30 00000000000003e8 ffff8801c3b7faa0 0000000000000000 ffff8801c3b7f7b0 ffffffff81506ab4 0000000000000000 00000000000003e8 ffffffff82829dc5 Call Trace: [<000000005a9c4ef8>] __dump_stack lib/dump_stack.c:15 [inline] [<000000005a9c4ef8>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000148f2e4e>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000a73f4cf8>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000b5070ed0>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000b5070ed0>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000001645443e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000001645443e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000001645443e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000bf77cc5b>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000bf77cc5b>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000bf77cc5b>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000bf77cc5b>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000bf77cc5b>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000fb91c8e1>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000fb91c8e1>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000fb91c8e1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000006e2142d>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000004e4a7f9f>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<000000004e4a7f9f>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<000000001ec42ec2>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000001ec42ec2>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000001409f91e>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<000000001409f91e>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000065f586bc>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<0000000065f586bc>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000007f30bbe5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000b97706df>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000b97706df>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000c37286c6>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000fffe8bbb>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3334 inactive_anon:40 isolated_anon:0 active_file:6 inactive_file:18 isolated_file:0 unevictable:0 dirty:9 writeback:0 unstable:0 slab_reclaimable:4262 slab_unreclaimable:56785 mapped:16 shmem:48 pagetables:364 bounce:0 free:11 free_pcp:5 free_cma:0 Node 0 active_anon:13336kB inactive_anon:160kB active_file:24kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:44kB 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:3020096kB 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:13336kB inactive_anon:160kB active_file:24kB inactive_file:72kB unevictable:0kB writepending:4kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17048kB slab_unreclaimable:227140kB kernel_stack:3424kB pagetables:1456kB bounce:0kB free_pcp:20kB local_pcp:20kB 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 313626 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5392 193 17 3 0 -1000 udevd [ 589] 0 589 5482 272 16 3 0 -1000 udevd [ 590] 0 590 5383 173 16 3 0 -1000 udevd [ 1747] 0 1747 2492 573 9 3 0 0 dhclient [ 1886] 0 1886 14264 108 24 3 0 0 rsyslogd [ 1940] 0 1940 4724 51 15 3 0 0 cron [ 1959] 0 1959 3735 45 11 3 0 0 mcstransd [ 1961] 0 1961 12926 1228 26 3 0 0 restorecond [ 1987] 0 1987 12489 153 29 3 0 -1000 sshd [ 2017] 0 2017 3648 40 13 3 0 0 getty [ 2018] 0 2018 3648 42 13 3 0 0 getty [ 2019] 0 2019 3648 44 13 3 0 0 getty [ 2020] 0 2020 3648 42 13 3 0 0 getty [ 2021] 0 2021 3648 42 13 3 0 0 getty [ 2022] 0 2022 3648 42 14 3 0 0 getty [ 2023] 0 2023 3648 42 13 3 0 0 getty [ 2036] 0 2036 17820 197 39 4 0 0 sshd [ 2038] 0 2038 4380 1 4 2 0 0 syz-executor092 [ 2039] 0 2039 4380 11 4 2 0 0 syz-executor092 [ 2040] 0 2040 4380 11 4 2 0 0 syz-executor092 [ 2041] 0 2041 4380 0 5 2 0 1000 syz-executor092 [ 2042] 0 2042 4380 11 4 2 0 0 syz-executor092 [ 2043] 0 2043 4380 11 4 2 0 0 syz-executor092 [ 2044] 0 2044 4380 11 4 2 0 0 syz-executor092 [ 2045] 0 2045 4380 11 4 2 0 0 syz-executor092 [ 2046] 0 2046 4380 0 5 2 0 1000 syz-executor092 [ 2047] 0 2047 4380 11 5 2 0 1000 syz-executor092 [ 2048] 0 2048 4380 11 5 2 0 1000 syz-executor092 [ 2049] 0 2049 4380 11 5 2 0 1000 syz-executor092 [ 2050] 0 2050 4380 11 5 2 0 1000 syz-executor092 Out of memory: Kill process 2047 (syz-executor092) score 999 or sacrifice child Killed process 2047 (syz-executor092) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB syz-executor092: vmalloc: allocation failure, allocated 1050451968 of 4221095936 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2047 Comm: syz-executor092 Not tainted 4.9.190+ #1 ffff8801d0b27a08 ffffffff81b66c51 1ffff1003a164f43 dffffc0000000000 ffffffff82aab280 0000000000000000 0000000000400000 ffff8801d0b27b30 ffffffff81507d6c 0000000041b58ab3 ffffffff82e3b7e0 ffffffff81431970 Call Trace: [<000000005a9c4ef8>] __dump_stack lib/dump_stack.c:15 [inline] [<000000005a9c4ef8>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000005353b798>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000c059355d>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000c059355d>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<00000000fb91c8e1>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000fb91c8e1>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000fb91c8e1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000006e2142d>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000004e4a7f9f>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<000000004e4a7f9f>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<000000001ec42ec2>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000001ec42ec2>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000001409f91e>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<000000001409f91e>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<0000000065f586bc>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<0000000065f586bc>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000007f30bbe5>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000b97706df>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000b97706df>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000c37286c6>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000fffe8bbb>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3334 inactive_anon:40 isolated_anon:0 active_file:6 inactive_file:18 isolated_file:0 unevictable:0 dirty:9 writeback:0 unstable:0 slab_reclaimable:4262 slab_unreclaimable:56785 mapped:16 shmem:48 pagetables:364 bounce:0 free:11 free_pcp:0 free_cma:0 Node 0 active_anon:13336kB inactive_anon:160kB active_file:24kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:44kB 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:3020096kB 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:13336kB inactive_anon:160kB active_file:24kB inactive_file:72kB unevictable:0kB writepending:4kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17048kB slab_unreclaimable:227140kB kernel_stack:3424kB pagetables:1456kB 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 313626 pages reserved oom_reaper: reaped process 2047 (syz-executor092), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB lowmemorykiller: Killing 'syz-executor092' (2048) (tgid 2048), adj 1000, to free 44kB on behalf of 'kswapd0' (33) because cache 4248kB is below limit 6144kB for oom_score_adj 0 Free memory is -7344kB above reserved oom_reaper: reaped process 2048 (syz-executor092), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor092: vmalloc: allocation failure, allocated 1929166848 of 4221095936 bytes[ 32.987930] getty invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 CPU: 0 PID: 2052 Comm: getty Not tainted 4.9.190+ #1 ffff8801008e7900 ffffffff81b66c51 ffff8801008e7c58 ffffffff833f1b30 0000000000000000 ffff8801008e7c70 0000000000000000 ffff8801008e7980 ffffffff81506ab4 0000000000000000 0000000000000000 ffffffff82829dc5Call Trace: [<000000005a9c4ef8>] __dump_stack lib/dump_stack.c:15 [inline] [<000000005a9c4ef8>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000148f2e4e>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000a73f4cf8>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000b5070ed0>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000b5070ed0>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000001645443e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000001645443e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000001645443e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000004dd9e5fe>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000004dd9e5fe>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000004dd9e5fe>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000004dd9e5fe>] do_cow_fault mm/memory.c:3226 [inline] [<000000004dd9e5fe>] do_fault mm/memory.c:3340 [inline] [<000000004dd9e5fe>] handle_pte_fault mm/memory.c:3547 [inline] [<000000004dd9e5fe>] __handle_mm_fault mm/memory.c:3634 [inline] [<000000004dd9e5fe>] handle_mm_fault+0x6ea/0x2420 mm/memory.c:3671 [<00000000ebe2f353>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1401 [<000000006d23ce6f>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1464 [<00000000db777e45>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 Mem-Info: active_anon:3284 inactive_anon:40 isolated_anon:0 active_file:27 inactive_file:45 isolated_file:24 unevictable:0 dirty:3 writeback:0 unstable:0 slab_reclaimable:4265 slab_unreclaimable:56135 mapped:65 shmem:48 pagetables:299 bounce:0 free:132 free_pcp:7 free_cma:0 Node 0 active_anon:13136kB inactive_anon:160kB active_file:108kB inactive_file:180kB unevictable:0kB isolated(anon):0kB isolated(file):96kB mapped:260kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:4 all_unreclaimable? yes