lowmemorykiller: Killing 'syz-executor.4' (3608) (tgid 3608), adj 1000, to free 36024kB on behalf of 'syz-executor.2' (26652) because cache 48976kB is below limit 65536kB for oom_score_adj 12 Free memory is -13184kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:905 in_atomic(): 0, irqs_disabled(): 0, pid: 26652, name: syz-executor.2 2 locks held by syz-executor.2/26652: #0: (shrinker_rwsem){++++..}, at: [<0000000033838908>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<000000003de2f9b8>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 Preemption disabled at: [<00000000faeab8ca>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000faeab8ca>] task_lock include/linux/sched.h:3217 [inline] [<00000000faeab8ca>] get_task_mm+0x20/0xc0 kernel/fork.c:1012 CPU: 1 PID: 26652 Comm: syz-executor.2 Not tainted 4.9.189+ #21 ffff88019c257380 ffffffff81b65c01 0000000000000000 0000000000000001 ffff88019e930000 ffffffff810d1010 ffff88019e930000 ffff88019c2573b8 ffffffff814018f3 ffff88019e930000 ffffffff82a39fc0 0000000000000389 Call Trace: [<000000006fc772e5>] __dump_stack lib/dump_stack.c:15 [inline] [<000000006fc772e5>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002327c3f8>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<00000000fc229359>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<0000000065d992eb>] mmput+0x28/0x370 kernel/fork.c:905 [<000000009a65795d>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000008489a611>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000eafa145f>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000eafa145f>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<000000009263669a>] shrink_slab mm/vmscan.c:466 [inline] [<000000009263669a>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000947776b5>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000947776b5>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000947776b5>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000007ecb05cf>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000007ecb05cf>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000007ecb05cf>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000007ecb05cf>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000eb6bda23>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000eb6bda23>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000eb6bda23>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000eb6bda23>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000eb6bda23>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000001ca0d18e>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<000000001ca0d18e>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<000000001ca0d18e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000bd58b236>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003cfdfead>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<0000000002ef6b40>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000fc1ee13e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000fc1ee13e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000cf114bf6>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000cf114bf6>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000007c689238>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000007c689238>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<00000000a697f8ed>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000008b0532f7>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000008b0532f7>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000b57014b8>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000005dd154fe>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb ================================= [ INFO: inconsistent lock state ] 4.9.189+ #21 Tainted: G W --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor.2/26652 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<000000004b95c45b>] get_cmdline+0xa3/0x2d0 mm/util.c:641 mark_held_locks+0xb1/0x100 kernel/locking/lockdep.c:2660 __lockdep_trace_alloc kernel/locking/lockdep.c:2882 [inline] lockdep_trace_alloc+0x18c/0x2b0 kernel/locking/lockdep.c:2897 __alloc_pages_nodemask+0x143/0x1a80 mm/page_alloc.c:3803 __alloc_pages include/linux/gfp.h:433 [inline] __alloc_pages_node include/linux/gfp.h:446 [inline] alloc_pages_node include/linux/gfp.h:460 [inline] pmd_alloc_one arch/x86/include/asm/pgalloc.h:88 [inline] __pmd_alloc+0x4a/0x330 mm/memory.c:3742 pmd_alloc include/linux/mm.h:1625 [inline] alloc_new_pmd mm/mremap.c:64 [inline] move_page_tables+0xadb/0xd60 mm/mremap.c:212 shift_arg_pages+0x1ae/0x470 fs/exec.c:642 setup_arg_pages+0x60d/0x7c0 fs/exec.c:754 load_elf_binary+0xa84/0x4a90 fs/binfmt_elf.c:860 search_binary_handler fs/exec.c:1621 [inline] search_binary_handler+0x14f/0x700 fs/exec.c:1599 exec_binprm fs/exec.c:1663 [inline] do_execveat_common.isra.0+0xf81/0x1db0 fs/exec.c:1785 do_execve+0x3a/0x50 fs/exec.c:1829 run_init_process+0x33/0x37 init/main.c:904 try_to_run_init_process+0x18/0x48 init/main.c:913 kernel_init+0xf2/0x163 init/main.c:984 ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 irq event stamp: 1265363 hardirqs last enabled at (1265363): [<0000000089a4e74b>] restore_regs_and_iret+0x0/0x1d hardirqs last disabled at (1265362): [<0000000078a9506b>] preempt_schedule_irq+0x6a/0xa0 kernel/sched/core.c:3705 softirqs last enabled at (1250932): [<0000000032a8aa99>] __do_softirq+0x474/0x964 kernel/softirq.c:314 softirqs last disabled at (1250863): [<0000000062b11327>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (1250863): [<0000000062b11327>] 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-executor.2/26652: #0: (shrinker_rwsem){++++..}, at: [<0000000033838908>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<000000003de2f9b8>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 #2: (lmk_event_lock){+.+.-.}, at: [<00000000e7ebea27>] spin_lock include/linux/spinlock.h:302 [inline] #2: (lmk_event_lock){+.+.-.}, at: [<00000000e7ebea27>] handle_lmk_event+0xfb/0x8a0 drivers/staging/android/lowmemorykiller.c:114 stack backtrace: CPU: 1 PID: 26652 Comm: syz-executor.2 Tainted: G W 4.9.189+ #21 ffff88019c2570c0 ffffffff81b65c01 00000000000000f0 ffff88019e930000 ffffffff83caf950 ffff88019e930948 ffffffff84250fc0 ffff88019c257138 ffffffff81408330 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<000000006fc772e5>] __dump_stack lib/dump_stack.c:15 [inline] [<000000006fc772e5>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000034b05753>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<0000000034b05753>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<00000000ee023f4f>] valid_state kernel/locking/lockdep.c:2400 [inline] [<00000000ee023f4f>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<00000000ee023f4f>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<000000008ffa47cb>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<000000008ffa47cb>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302 [<000000003123b896>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<0000000094a1c44b>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<000000004b95c45b>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<00000000943a6d62>] handle_lmk_event+0x13c/0x8a0 drivers/staging/android/lowmemorykiller.c:128 [<000000008489a611>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000eafa145f>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000eafa145f>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<000000009263669a>] shrink_slab mm/vmscan.c:466 [inline] [<000000009263669a>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000947776b5>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000947776b5>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000947776b5>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000007ecb05cf>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000007ecb05cf>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000007ecb05cf>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000007ecb05cf>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000eb6bda23>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000eb6bda23>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000eb6bda23>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000eb6bda23>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000eb6bda23>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000001ca0d18e>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<000000001ca0d18e>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<000000001ca0d18e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000bd58b236>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003cfdfead>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<0000000002ef6b40>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000fc1ee13e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000fc1ee13e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000cf114bf6>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000cf114bf6>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000007c689238>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000007c689238>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<00000000a697f8ed>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000008b0532f7>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000008b0532f7>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000b57014b8>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000005dd154fe>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb lowmemorykiller: Killing 'syz-executor.4' (3673) (tgid 3673), adj 1000, to free 36024kB on behalf of 'syz-executor.2' (26652) because cache 48176kB is below limit 65536kB for oom_score_adj 12 Free memory is -13084kB above reserved lowmemorykiller: Killing 'syz-executor.0' (3838) (tgid 3838), adj 1000, to free 36024kB on behalf of 'syz-executor.2' (26652) because cache 47676kB is below limit 65536kB for oom_score_adj 12 Free memory is -13232kB above reserved lowmemorykiller: Killing 'syz-executor.0' (3887) (tgid 3887), adj 1000, to free 36024kB on behalf of 'syz-executor.2' (26652) because cache 47176kB is below limit 65536kB for oom_score_adj 12 Free memory is -13144kB above reserved lowmemorykiller: Killing 'syz-executor.3' (4256) (tgid 4256), adj 1000, to free 36020kB on behalf of 'syz-executor.2' (26652) because cache 46776kB is below limit 65536kB for oom_score_adj 12 Free memory is -13268kB above reserved lowmemorykiller: Killing 'syz-executor.3' (4308) (tgid 4308), adj 1000, to free 36020kB on behalf of 'syz-executor.2' (26652) because cache 46524kB is below limit 65536kB for oom_score_adj 12 Free memory is -13140kB above reserved lowmemorykiller: Killing 'syz-executor.3' (4204) (tgid 4204), adj 1000, to free 36016kB on behalf of 'syz-executor.2' (26652) because cache 46124kB is below limit 65536kB for oom_score_adj 12 Free memory is -13240kB above reserved lowmemorykiller: Killing 'syz-executor.5' (4335) (tgid 4335), adj 1000, to free 36012kB on behalf of 'syz-executor.2' (26652) because cache 45824kB is below limit 65536kB for oom_score_adj 12 Free memory is -13140kB above reserved lowmemorykiller: Killing 'syz-executor.5' (4376) (tgid 4376), adj 1000, to free 36012kB on behalf of 'syz-executor.2' (26652) because cache 45424kB is below limit 65536kB for oom_score_adj 12 Free memory is -13160kB above reserved lowmemorykiller: Killing 'syz-executor.5' (4417) (tgid 4417), adj 1000, to free 36012kB on behalf of 'syz-executor.2' (26652) because cache 45124kB is below limit 65536kB for oom_score_adj 12 Free memory is -13160kB above reserved lowmemorykiller: Killing 'syz-executor.2' (6757) (tgid 6757), adj 1000, to free 36012kB on behalf of 'syz-executor.2' (26652) because cache 44824kB is below limit 65536kB for oom_score_adj 12 Free memory is -13160kB above reserved lowmemorykiller: Killing 'syz-executor.5' (6418) (tgid 6418), adj 1000, to free 36008kB on behalf of 'syz-executor.2' (26652) because cache 44424kB is below limit 65536kB for oom_score_adj 12 Free memory is -13332kB above reserved lowmemorykiller: Killing 'syz-executor.3' (6796) (tgid 6796), adj 1000, to free 36008kB on behalf of 'syz-executor.2' (26652) because cache 44124kB is below limit 65536kB for oom_score_adj 12 Free memory is -13332kB above reserved lowmemorykiller: Killing 'syz-executor.3' (6872) (tgid 6872), adj 1000, to free 36008kB on behalf of 'syz-executor.2' (26652) because cache 43724kB is below limit 65536kB for oom_score_adj 12 Free memory is -13156kB above reserved [<00000000b57014b8>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [ 4439] 0 4439 18144 8747 26 4 0 1000 syz-executor.4 [ 4477] 0 4477 18144 8747 26 4 0 1000 syz-executor.0 [ 4482] 0 4482 18144 8748 26 4 0 1000 syz-executor.4 [ 5287] 0 5287 18144 8705 24 3 0 1000 syz-executor.1 [ 5288] 0 5288 18141 8713 24 3 0 1000 syz-executor.1 [ 5588] 0 5588 18144 8748 26 4 0 1000 syz-executor.0 [ 5589] 0 5589 18144 8750 26 4 0 1000 syz-executor.3 [ 5590] 0 5590 18144 8749 26 4 0 1000 syz-executor.5 [ 5628] 0 5628 18144 8748 26 4 0 1000 syz-executor.0 [ 5658] 0 5658 18144 8750 26 4 0 1000 syz-executor.3 [ 5667] 0 5667 18144 8749 26 4 0 1000 syz-executor.5 [ 5673] 0 5673 18144 8748 26 4 0 1000 syz-executor.4 [ 5675] 0 5675 18144 8748 26 4 0 1000 syz-executor.0 [ 5677] 0 5677 18144 8750 26 4 0 1000 syz-executor.3 [ 4396] 0 4396 18144 8747 26 4 0 1000 syz-executor.4 [ 4433] 0 4433 18144 8747 26 4 0 1000 syz-executor.0 [ 4439] 0 4439 18144 8747 26 4 0 1000 syz-executor.4 [ 4477] 0 4477 18144 8747 26 4 0 1000 syz-executor.0 [ 4482] 0 4482 18144 8748 26 4 0 1000 syz-executor.4 [ 5287] 0 5287 18144 8705 24 3 0 1000 syz-executor.1 [ 5288] 0 5288 18141 8713 24 3 0 1000 syz-executor.1 [ 5588] 0 5588 18144 8748 26 4 0 1000 syz-executor.0 [ 5589] 0 5589 18144 8750 26 4 0 1000 syz-executor.3 [ 5590] 0 5590 18144 8749 26 4 0 1000 syz-executor.5 [ 2018] 0 2018 3648 39 13 3 0 0 getty [ 4304] 0 4304 18144 8743 26 4 0 1000 syz-executor.0 [ 4310] 0 4310 18144 8743 26 4 0 1000 syz-executor.4 [ 4346] 0 4346 18144 8743 26 4 0 1000 syz-executor.0 [ 4352] 0 4352 18144 8742 26 4 0 1000 syz-executor.4 [ 4389] 0 4389 18144 8742 26 4 0 1000 syz-executor.0 [19871] 0 19871 18144 8744 26 4 0 1000 syz-executor.4 [ 4148] 0 4148 18144 8742 26 4 0 1000 syz-executor.0 [ 4202] 0 4202 18144 8742 26 4 0 1000 syz-executor.0 [ 4206] 0 4206 18144 8742 26 4 0 1000 syz-executor.4 [ 4259] 0 4259 18144 8742 26 4 0 1000 syz-executor.0 [ 4264] 0 4264 18144 8742 26 4 0 1000 syz-executor.4 [ 4304] 0 4304 18144 8742 26 4 0 1000 syz-executor.0 [ 4310] 0 4310 18144 8742 26 4 0 1000 syz-executor.4 [ 4346] 0 4346 18144 8742 26 4 0 1000 syz-executor.0 [ 4352] 0 4352 18144 8741 26 4 0 1000 syz-executor.4 [ 4389] 0 4389 18144 8741 26 4 0 1000 syz-executor.0 [ 4396] 0 4396 18144 8741 26 4 0 1000 syz-executor.4 [ 4433] 0 4433 18144 8741 26 4 0 1000 syz-executor.0 [ 4439] 0 4439 18144 8741 26 4 0 1000 syz-executor.4 [ 4477] 0 4477 18144 8741 26 4 0 1000 syz-executor.0 [ 4482] 0 4482 18144 8742 26 4 0 1000 syz-executor.4 [ 5287] 0 5287 18144 8700 24 3 0 1000 syz-executor.1 [ 5288] 0 5288 18141 8708 24 3 0 1000 syz-executor.1 [ 5588] 0 5588 18144 8742 26 4 0 1000 syz-executor.0 [ 5590] 0 5590 18144 8743 26 4 0 1000 syz-executor.5 [ 5628] 0 5628 18144 8742 26 4 0 1000 syz-executor.0 [ 5667] 0 5667 18144 8743 26 4 0 1000 syz-executor.5 [ 5673] 0 5673 18144 8742 26 4 0 1000 syz-executor.4 [ 5675] 0 5675 18144 8742 26 4 0 1000 syz-executor.0 [ 5677] 0 5677 18144 8744 26 4 0 1000 syz-executor.3 [ 5696] 0 5696 18144 8743 26 4 0 1000 syz-executor.5 [ 5712] 0 5712 18144 8744 26 4 0 1000 syz-executor.3 [ 5714] 0 5714 18144 8742 26 4 0 1000 syz-executor.0 [ 5716] 0 5716 18144 8742 26 4 0 1000 syz-executor.4 [ 5718] 0 5718 18144 8743 26 4 0 1000 syz-executor.5 [ 5735] 0 5735 18144 8744 26 4 0 1000 syz-executor.3 [ 5740] 0 5740 18144 8743 26 4 0 1000 syz-executor.5 [ 5749] 0 5749 18144 8742 26 4 0 1000 syz-executor.0 [ 5753] 0 5753 18144 8742 26 4 0 1000 syz-executor.4 [ 5757] 0 5757 18144 8744 26 4 0 1000 syz-executor.3 [ 5761] 0 5761 18144 8743 26 4 0 1000 syz-executor.5 [ 6122] 0 6122 18144 8710 25 3 0 1000 syz-executor.0 [ 6133] 0 6133 18144 8710 25 3 0 1000 syz-executor.0 [ 6139] 0 6139 18144 8710 25 3 0 1000 syz-executor.0 [ 6176] 0 6176 18144 8711 25 3 0 1000 syz-executor.5 [ 6193] 0 6193 18144 8711 25 3 0 1000 syz-executor.5 [ 6202] 0 6202 18144 8711 25 3 0 1000 syz-executor.5 [ 6244] 0 6244 18144 8744 26 4 0 1000 syz-executor.3 [ 6261] 0 6261 18144 8744 26 4 0 1000 syz-executor.3 [ 6263] 0 6263 18144 8742 26 4 0 1000 syz-executor.4 [ 6279] 0 6279 18144 8710 25 3 0 1000 syz-executor.4 [ 6281] 0 6281 18144 8744 26 4 0 1000 syz-executor.3 [ 6295] 0 6295 18144 8710 25 3 0 1000 syz-executor.4 [ 6297] 0 6297 18144 8744 26 4 0 1000 syz-executor.3 [ 6314] 0 6314 18144 8712 25 3 0 1000 syz-executor.3 [ 6316] 0 6316 18144 8710 25 3 0 1000 syz-executor.4 [ 6330] 0 6330 18144 8712 25 3 0 1000 syz-executor.3 [ 6354] 0 6354 18144 8712 25 3 0 1000 syz-executor.3 [ 6468] 0 6468 18144 8710 25 3 0 1000 syz-executor.0 [ 7821] 0 7821 18144 8741 26 4 0 1000 syz-executor.0 [ 8491] 0 8491 5364 169 15 3 0 -1000 udevd [ 8733] 0 8733 18177 8743 26 4 0 1000 syz-executor.4 [ 8770] 0 8770 18144 8741 26 4 0 1000 syz-executor.4 [ 8789] 0 8789 18144 8741 26 4 0 1000 syz-executor.4 [ 8952] 0 8952 18144 8741 26 4 0 1000 syz-executor.4 [ 8988] 0 8988 18144 8741 26 4 0 1000 syz-executor.4 [ 8993] 0 8993 18144 8700 24 3 0 1000 syz-executor.4 [ 9008] 0 9008 18144 8700 24 3 0 1000 syz-executor.4 [ 9033] 0 9033 18144 8700 24 3 0 1000 syz-executor.4 [ 9117] 0 9117 18144 8741 26 4 0 1000 syz-executor.4 [ 9148] 0 9148 18144 8741 26 4 0 1000 syz-executor.4 [ 9169] 0 9169 18144 8741 26 4 0 1000 syz-executor.4 [ 9232] 0 9232 18144 8741 26 4 0 1000 syz-executor.4 [ 9259] 0 9259 18144 8743 26 4 0 1000 syz-executor.2 [ 9281] 0 9281 18144 8743 26 4 0 1000 syz-executor.2 [ 9312] 0 9312 18144 8741 26 4 0 1000 syz-executor.4 [ 9408] 0 9408 18144 8743 26 4 0 1000 syz-executor.2 [ 9419] 0 9419 18144 8743 26 4 0 1000 syz-executor.2 [ 9427] 0 9427 18144 8702 24 3 0 1000 syz-executor.2 [ 9457] 0 9457 18144 8702 24 3 0 1000 syz-executor.2 [ 9463] 0 9463 18144 8702 24 3 0 1000 syz-executor.2 [ 9568] 0 9568 18144 8743 26 4 0 1000 syz-executor.2 [ 9598] 0 9598 18144 8743 26 4 0 1000 syz-executor.2 [ 9630] 0 9630 18144 8743 26 4 0 1000 syz-executor.2 [ 9931] 0 9931 18144 8744 26 4 0 1000 syz-executor.1 [ 9942] 0 9942 18177 8746 26 4 0 1000 syz-executor.1 [ 9978] 0 9978 18177 8746 26 4 0 1000 syz-executor.1 [10008] 0 10008 18177 8746 26 4 0 1000 syz-executor.1 [10031] 0 10031 18177 8746 26 4 0 1000 syz-executor.1 [10057] 0 10057 18144 8703 24 3 0 1000 syz-executor.1 [10063] 0 10063 18177 8714 25 3 0 1000 syz-executor.1 [10099] 0 10099 18144 8703 24 3 0 1000 syz-executor.1 [10107] 0 10107 18144 8712 25 3 0 1000 syz-executor.1 [10125] 0 10125 18144 8703 24 3 0 1000 syz-executor.1 [10131] 0 10131 18177 8714 25 3 0 1000 syz-executor.1 [10146] 0 10146 18177 8746 26 4 0 1000 syz-executor.1 [10193] 0 10193 18177 8746 26 4 0 1000 syz-executor.1 [10233] 0 10233 18144 8744 26 4 0 1000 syz-executor.1 [10246] 0 10246 18177 8746 26 4 0 1000 syz-executor.1 [10270] 0 10270 18177 8746 26 4 0 1000 syz-executor.1 [10318] 0 10318 18177 8746 26 4 0 1000 syz-executor.1 [10328] 0 10328 18177 8746 26 4 0 1000 syz-executor.1 [10365] 0 10365 18177 8746 26 4 0 1000 syz-executor.1 [10430] 0 10430 18144 8703 24 3 0 1000 syz-executor.1 [10432] 0 10432 18144 8712 25 3 0 1000 syz-executor.1 [10472] 0 10472 18177 8746 26 4 0 1000 syz-executor.1 [10488] 0 10488 18177 8747 26 4 0 1000 syz-executor.1 [10501] 0 10501 18177 8746 26 4 0 1000 syz-executor.1 [10509] 0 10509 18177 8746 26 4 0 1000 syz-executor.1 [10556] 0 10556 18177 8746 26 4 0 1000 syz-executor.1 [10564] 0 10564 18177 8746 26 4 0 1000 syz-executor.1 [10590] 0 10590 18144 8703 24 3 0 1000 syz-executor.1 [10591] 0 10591 18144 8712 25 3 0 1000 syz-executor.1 [10638] 0 10638 18177 8746 26 4 0 1000 syz-executor.1 [10677] 0 10677 18177 8747 26 4 0 1000 syz-executor.1 [10686] 0 10686 18177 8746 26 4 0 1000 syz-executor.1 [10700] 0 10700 18144 8744 26 4 0 1000 syz-executor.1 [10722] 0 10722 18177 8746 26 4 0 1000 syz-executor.1 [10738] 0 10738 18177 8746 26 4 0 1000 syz-executor.1 [10755] 0 10755 18177 8746 26 4 0 1000 syz-executor.1 [10772] 0 10772 18177 8746 26 4 0 1000 syz-executor.1 [10786] 0 10786 18177 8746 26 4 0 1000 syz-executor.1 [10816] 0 10816 18177 8746 26 4 0 1000 syz-executor.1 [10833] 0 10833 18177 8746 26 4 0 1000 syz-executor.1 [10905] 0 10905 18144 8703 24 3 0 1000 syz-executor.1 [10910] 0 10910 18144 8712 25 3 0 1000 syz-executor.1 [10926] 0 10926 18144 8703 24 3 0 1000 syz-executor.1 [10930] 0 10930 18144 8712 25 3 0 1000 syz-executor.1 [10947] 0 10947 18177 8746 26 4 0 1000 syz-executor.1 [10962] 0 10962 18177 8746 26 4 0 1000 syz-executor.1 [10973] 0 10973 18177 8746 26 4 0 1000 syz-executor.1 [10989] 0 10989 18177 8746 26 4 0 1000 syz-executor.1 [10999] 0 10999 18177 8746 26 4 0 1000 syz-executor.1 [11047] 0 11047 18144 8703 24 3 0 1000 syz-executor.1 [11049] 0 11049 18144 8712 25 3 0 1000 syz-executor.1 [11072] 0 11072 18177 8746 26 4 0 1000 syz-executor.1 [11107] 0 11107 18177 8747 26 4 0 1000 syz-executor.1 [11116] 0 11116 18177 8746 26 4 0 1000 syz-executor.1 [11123] 0 11123 18144 8742 25 4 0 1000 syz-executor.2 [11142] 0 11142 18144 8743 26 4 0 1000 syz-executor.2 [11143] 0 11143 18177 8746 26 4 0 1000 syz-executor.1 [11157] 0 11157 18144 8744 26 4 0 1000 syz-executor.2 [11170] 0 11170 18177 8746 26 4 0 1000 syz-executor.1 [11194] 0 11194 18177 8746 26 4 0 1000 syz-executor.1 [11263] 0 11263 18177 8746 26 4 0 1000 syz-executor.1 [11269] 0 11269 18177 8746 26 4 0 1000 syz-executor.1 [11332] 0 11332 18177 8746 26 4 0 1000 syz-executor.1 [11350] 0 11350 18144 8703 24 3 0 1000 syz-executor.1 [11354] 0 11354 18144 8712 25 3 0 1000 syz-executor.1 [11375] 0 11375 18177 8746 26 4 0 1000 syz-executor.1 [11440] 0 11440 18177 8746 26 4 0 1000 syz-executor.1 [11494] 0 11494 18177 8746 26 4 0 1000 syz-executor.1 [11529] 0 11529 18177 8746 26 4 0 1000 syz-executor.1 [11578] 0 11578 18177 8746 26 4 0 1000 syz-executor.1 [11602] 0 11602 18144 8703 24 3 0 1000 syz-executor.1 [11618] 0 11618 18144 8712 25 3 0 1000 syz-executor.1 [11624] 0 11624 18177 8746 26 4 0 1000 syz-executor.1 [11634] 0 11634 18144 8703 24 3 0 1000 syz-executor.1 [11638] 0 11638 18144 8712 25 3 0 1000 syz-executor.1 [11666] 0 11666 18177 8746 26 4 0 1000 syz-executor.1 [11716] 0 11716 18177 8746 26 4 0 1000 syz-executor.1 [11724] 0 11724 18177 8747 28 4 0 1000 syz-executor.1 [11749] 0 11749 18177 8746 26 4 0 1000 syz-executor.1 [11774] 0 11774 18144 8703 24 3 0 1000 syz-executor.1 [11775] 0 11775 18144 8712 25 3 0 1000 syz-executor.1 [18897] 0 18897 18144 8743 26 4 0 1000 syz-executor.2 [18941] 0 18941 18144 8743 26 4 0 1000 syz-executor.2 [19199] 0 19199 18144 8743 26 4 0 1000 syz-executor.2 [19225] 0 19225 18144 8743 26 4 0 1000 syz-executor.2 [19241] 0 19241 18144 8743 26 4 0 1000 syz-executor.2 [19563] 0 19563 18144 8744 26 4 0 1000 syz-executor.4 [19577] 0 19577 18144 8744 26 4 0 1000 syz-executor.4 [19591] 0 19591 18144 8744 26 4 0 1000 syz-executor.4 [19871] 0 19871 18144 8744 26 4 0 1000 syz-executor.4 [19884] 0 19884 18144 8744 26 4 0 1000 syz-executor.4 [19913] 0 19913 18144 8744 26 4 0 1000 syz-executor.4 [20210] 0 20210 18144 8711 25 3 0 1000 syz-executor.2 [20255] 0 20255 18144 8711 25 3 0 1000 syz-executor.2 [20281] 0 20281 18144 8711 25 3 0 1000 syz-executor.2 [20453] 0 20453 18144 8702 24 3 0 0 syz-executor.0 [20479] 0 20479 18177 8713 25 3 0 0 syz-executor.0 [20512] 0 20512 18177 8745 26 4 0 0 syz-executor.0 [20742] 0 20742 18177 8746 26 4 0 0 syz-executor.0 [20813] 0 20813 18144 8702 24 3 0 0 syz-executor.0 [20816] 0 20816 18144 8711 25 3 0 0 syz-executor.0 [20860] 0 20860 18144 8712 25 3 0 1000 syz-executor.4 [20925] 0 20925 18144 8712 25 3 0 1000 syz-executor.4 [20980] 0 20980 18144 8712 25 3 0 1000 syz-executor.4 [20988] 0 20988 18144 8702 24 3 0 0 syz-executor.0 [20992] 0 20992 18693 8711 25 3 0 0 syz-executor.0 [21025] 0 21025 18144 8702 24 3 0 0 syz-executor.0 [21034] 0 21034 18144 8711 25 3 0 0 syz-executor.0 [21203] 0 21203 18145 8745 26 4 0 0 syz-executor.0 [21391] 0 21391 18144 8702 24 3 0 0 syz-executor.0 [21395] 0 21395 18144 8711 25 3 0 0 syz-executor.0 [21563] 0 21563 18144 8702 24 3 0 0 syz-executor.0 [21565] 0 21565 18144 8711 25 3 0 0 syz-executor.0 [21666] 0 21666 18144 8702 24 3 0 0 syz-executor.0 [21669] 0 21669 18177 8713 25 3 0 0 syz-executor.0 [21921] 0 21921 18177 8746 26 4 0 0 syz-executor.0 [21956] 0 21956 18144 8743 26 4 0 1000 syz-executor.2 [21968] 0 21968 18144 8743 26 4 0 1000 syz-executor.2 [21984] 0 21984 18144 8743 26 4 0 1000 syz-executor.2 [22006] 0 22006 18144 8743 26 4 0 1000 syz-executor.2 [22030] 0 22030 18144 8743 26 4 0 1000 syz-executor.2 [22059] 0 22059 18144 8743 26 4 0 1000 syz-executor.2 [22175] 0 22175 18177 8746 26 4 0 1000 syz-executor.4 [22258] 0 22258 18177 8746 26 4 0 1000 syz-executor.4 [22285] 0 22285 18210 8747 26 4 0 0 syz-executor.0 [22490] 0 22490 18144 8744 26 4 0 1000 syz-executor.4 [22511] 0 22511 18144 8744 26 4 0 1000 syz-executor.4 [22533] 0 22533 18144 8744 26 4 0 1000 syz-executor.4 [22545] 0 22545 18144 8744 26 4 0 1000 syz-executor.4 [22564] 0 22564 18144 8744 26 4 0 1000 syz-executor.4 [22584] 0 22584 18144 8744 26 4 0 1000 syz-executor.4 [24640] 0 24640 18144 8744 26 4 0 1000 syz-executor.5 [24644] 0 24644 18144 8744 26 4 0 1000 syz-executor.5 [24840] 0 24840 18144 8744 26 4 0 1000 syz-executor.5 [24860] 0 24860 18144 8744 26 4 0 1000 syz-executor.5 [25271] 0 25271 18144 8712 25 3 0 1000 syz-executor.5 [25318] 0 25318 18144 8712 25 3 0 1000 syz-executor.5 [25335] 0 25335 18144 8712 25 3 0 1000 syz-executor.5 [26437] 0 26437 18144 8744 26 4 0 1000 syz-executor.5 [26448] 0 26448 18144 8744 26 4 0 1000 syz-executor.5 [26464] 0 26464 18144 8744 26 4 0 1000 syz-executor.5 [26473] 0 26473 18144 8744 26 4 0 1000 syz-executor.5 [26493] 0 26493 18144 8744 26 4 0 1000 syz-executor.5 [26512] 0 26512 18144 8744 26 4 0 1000 syz-executor.5 [26634] 0 26633 18210 8747 34 4 0 1000 syz-executor.2 Out of memory: Kill process 5677 (syz-executor.3) score 1005 or sacrifice child Killed process 5677 (syz-executor.3) total-vm:72576kB, anon-rss:160kB, file-rss:34816kB, shmem-rss:0kB lowmemorykiller: Killing 'syz-executor.1' (10488) (tgid 10488), adj 1000, to free 34988kB on behalf of 'udevd' (586) because cache 664kB is below limit 6144kB for oom_score_adj 0 Free memory is -13436kB above reserved udevd invoked oom-killer: gfp_mask=0x27080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK), nodemask=0, order=3, oom_score_adj=-1000 CPU: 1 PID: 586 Comm: udevd Tainted: G W 4.9.189+ #21 ffff8801d023f7e0 ffffffff81b65c01 ffff8801d023fb38 ffffffff833f14b0 00000000fffffc18 ffff8801d023fb50 0000000000000003 ffff8801d023f860 ffffffff81506abb 0000000000000003 00000000fffffc18 ffffffff828284d5 Call Trace: [<000000006fc772e5>] __dump_stack lib/dump_stack.c:15 [inline] [<000000006fc772e5>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000068289813>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<000000008eec3429>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<000000002213adeb>] out_of_memory mm/oom_kill.c:1069 [inline] [<000000002213adeb>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000d8c24a16>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000d8c24a16>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000d8c24a16>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<0000000077916f13>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000077916f13>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000077916f13>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000077916f13>] alloc_thread_stack_node kernel/fork.c:214 [inline] [<0000000077916f13>] dup_task_struct kernel/fork.c:494 [inline] [<0000000077916f13>] copy_process.part.0+0x2da/0x6690 kernel/fork.c:1640 [<000000002d9c9c5f>] copy_process kernel/fork.c:1586 [inline] [<000000002d9c9c5f>] _do_fork+0x1c1/0xd50 kernel/fork.c:2111 [<0000000038d108fe>] SYSC_clone kernel/fork.c:2223 [inline] [<0000000038d108fe>] SyS_clone+0x37/0x50 kernel/fork.c:2217 [<00000000b57014b8>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000005dd154fe>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:71953 inactive_anon:43 isolated_anon:0 active_file:37 inactive_file:64 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:6623 slab_unreclaimable:73909 mapped:52283 shmem:51 pagetables:7203 bounce:0 free:6170 free_pcp:0 free_cma:0 Node 0 active_anon:287812kB inactive_anon:172kB active_file:148kB inactive_file:256kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209132kB dirty:0kB writeback:0kB shmem:204kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18696kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:32kB pagetables:28kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:5984kB min:5580kB low:9168kB high:12756kB active_anon:287812kB inactive_anon:172kB active_file:148kB inactive_file:256kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:26492kB slab_unreclaimable:295612kB kernel_stack:13440kB pagetables:28784kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 3*4kB (UM) 3*8kB (M) 3*16kB (UM) 1*32kB (M) 1*64kB (M) 3*128kB (M) 3*256kB (M) 2*512kB (UM) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18740kB 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 5387 191 16 3 0 -1000 udevd [ 586] 0 586 5531 313 15 3 0 -1000 udevd [ 587] 0 587 5531 313 15 3 0 -1000 udevd [ 1756] 0 1756 2492 573 8 3 0 0 dhclient [ 1887] 0 1887 14264 108 24 3 0 0 rsyslogd [ 1940] 0 1940 4724 51 15 3 0 0 cron [ 1960] 0 1960 3734 44 11 3 0 0 mcstransd [ 1968] 0 1968 12926 1231 28 3 0 0 restorecond [ 1988] 0 1988 12489 153 28 3 0 -1000 sshd [ 2018] 0 2018 3648 39 13 3 0 0 getty [ 2034] 0 2034 17820 197 39 3 0 0 sshd [ 2036] 0 2036 103368 61181 166 6 0 0 syz-fuzzer [ 2083] 0 2083 18112 15 23 3 0 0 syz-executor.0 [ 2084] 0 2084 18112 16 23 3 0 0 syz-executor.1 [ 2085] 0 2085 18112 16 23 3 0 0 syz-executor.5 [ 2086] 0 2086 18112 17 23 3 0 0 syz-executor.2 [ 2087] 0 2087 18112 17 23 3 0 0 syz-executor.3 [ 2088] 0 2088 18112 15 23 3 0 0 syz-executor.4 [ 2089] 0 2089 18111 8551 24 4 0 0 syz-executor.1 [ 2094] 0 2094 18111 8731 24 4 0 0 syz-executor.0 [ 2095] 0 2095 18111 8732 24 4 0 0 syz-executor.5 [ 2096] 0 2096 18111 8732 24 4 0 0 syz-executor.4 [ 2099] 0 2099 18111 8731 24 4 0 0 syz-executor.2 [ 2100] 0 2100 18111 8733 24 4 0 0 syz-executor.3 [ 2983] 0 2983 5518 313 15 3 0 -1000 udevd [ 3025] 0 3025 5518 314 15 3 0 -1000 udevd [ 3117] 0 3117 5364 169 15 3 0 -1000 udevd [ 3552] 0 3552 18177 8746 26 4 0 1000 syz-executor.3 [ 3582] 0 3582 18144 8743 26 4 0 1000 syz-executor.3 [ 3596] 0 3596 18144 8743 26 4 0 1000 syz-executor.3 [ 3619] 0 3619 18144 8743 26 4 0 1000 syz-executor.3 [ 3630] 0 3630 18144 8743 26 4 0 1000 syz-executor.3 [ 3648] 0 3648 18144 8743 26 4 0 1000 syz-executor.3 [ 3658] 0 3658 18144 8743 26 4 0 1000 syz-executor.3 [ 3752] 0 3752 18144 8743 26 4 0 1000 syz-executor.3 [ 3762] 0 3762 18144 8743 26 4 0 1000 syz-executor.3 [ 3788] 0 3788 18144 8743 26 4 0 1000 syz-executor.3 [ 3792] 0 3792 18144 8743 26 4 0 1000 syz-executor.3 [ 3839] 0 3839 18144 8742 26 4 0 1000 syz-executor.4 [ 3888] 0 3888 18144 8742 26 4 0 1000 syz-executor.4 [ 3900] 0 3900 18144 8743 26 4 0 1000 syz-executor.3 [ 3912] 0 3912 18144 8743 26 4 0 1000 syz-executor.3 [ 3926] 0 3926 18144 8743 26 4 0 1000 syz-executor.3 [ 3939] 0 3939 18144 8743 26 4 0 1000 syz-executor.3 [ 3951] 0 3951 18144 8743 26 4 0 1000 syz-executor.3 [ 3959] 0 3959 18144 8742 26 4 0 1000 syz-executor.0 [ 3961] 0 3961 18144 8742 26 4 0 1000 syz-executor.4 [ 3968] 0 3968 18144 8743 26 4 0 1000 syz-executor.3 [ 3984] 0 3984 18144 8743 26 4 0 1000 syz-executor.3 [ 3990] 0 3990 18144 8742 26 4 0 1000 syz-executor.0 [ 3992] 0 3992 18144 8742 26 4 0 1000 syz-executor.4 [ 4011] 0 4011 18144 8743 26 4 0 1000 syz-executor.3 [ 4021] 0 4021 18144 8743 26 4 0 1000 syz-executor.3 [ 4043] 0 4043 18144 8711 25 3 0 1000 syz-executor.3 [ 4053] 0 4053 18144 8742 26 4 0 1000 syz-executor.4 [ 4062] 0 4062 18144 8711 25 3 0 1000 syz-executor.3 [ 4087] 0 4087 18144 8711 25 3 0 1000 syz-executor.3 [ 4096] 0 4096 18144 8742 26 4 0 1000 syz-executor.0 [ 4100] 0 4100 18144 8742 26 4 0 1000 syz-executor.4 [ 4148] 0 4148 18144 8742 26 4 0 1000 syz-executor.0 [ 4202] 0 4202 18144 8742 26 4 0 1000 syz-executor.0 [ 4206] 0 4206 18144 8742 26 4 0 1000 syz-executor.4 [ 4259] 0 4259 18144 8742 26 4 0 1000 syz-executor.0 [ 4264] 0 4264 18144 8742 26 4 0 1000 syz-executor.4 [ 4304] 0 4304 18144 8742 26 4 0 1000 syz-executor.0 [ 4310] 0 4310 18144 8742 26 4 0 1000 syz-executor.4 [ 4346] 0 4346 18144 8742 26 4 0 1000 syz-executor.0 [ 4352] 0 4352 18144 8741 26 4 0 1000 syz-executor.4 [ 4389] 0 4389 18144 8741 26 4 0 1000 syz-executor.0 [ 4396] 0 4396 18144 8741 26 4 0 1000 syz-executor.4 [ 4433] 0 4433 18144 8741 26 4 0 1000 syz-executor.0 [ 4439] 0 4439 18144 8741 26 4 0 1000 syz-executor.4 [ 4477] 0 4477 18144 8741 26 4 0 1000 syz-executor.0 [ 4482] 0 4482 18144 8742 26 4 0 1000 syz-executor.4 [ 5287] 0 5287 18144 8700 24 3 0 1000 syz-executor.1 [ 5288] 0 5288 18141 8708 24 3 0 1000 syz-executor.1 [ 5588] 0 5588 18144 8742 26 4 0 1000 syz-executor.0 [ 5590] 0 5590 18144 8743 26 4 0 1000 syz-executor.5 [ 5628] 0 5628 18144 8742 26 4 0 1000 syz-executor.0 [ 5667] 0 5667 18144 8743 26 4 0 1000 syz-executor.5 [ 5673] 0 5673 18144 8742 26 4 0 1000 syz-executor.4 [ 5675] 0 5675 18144 8742 26 4 0 1000 syz-executor.0 [ 5696] 0 5696 18144 8743 26 4 0 1000 syz-executor.5 [ 5712] 0 5712 18144 8744 26 4 0 1000 syz-executor.3 [ 5714] 0 5714 18144 8742 26 4 0 1000 syz-executor.0 [ 5716] 0 5716 18144 8742 26 4 0 1000 syz-executor.4 [ 5718] 0 5718 18144 8743 26 4 0 1000 syz-executor.5 [ 5735] 0 5735 18144 8744 26 4 0 1000 syz-executor.3 [ 5740] 0 5740 18144 8743 26 4 0 1000 syz-executor.5 [ 5749] 0 5749 18144 8742 26 4 0 1000 syz-executor.0 [ 5753] 0 5753 18144 8742 26 4 0 1000 syz-executor.4 [ 5757] 0 5757 18144 8744 26 4 0 1000 syz-executor.3 [ 5761] 0 5761 18144 8743 26 4 0 1000 syz-executor.5 [ 6122] 0 6122 18144 8710 25 3 0 1000 syz-executor.0 [ 6133] 0 6133 18144 8710 25 3 0 1000 syz-executor.0 [ 6139] 0 6139 18144 8710 25 3 0 1000 syz-executor.0 [ 6176] 0 6176 18144 8711 25 3 0 1000 syz-executor.5 [ 6193] 0 6193 18144 8711 25 3 0 1000 syz-executor.5 [ 6202] 0 6202 18144 8711 25 3 0 1000 syz-executor.5 [ 6244] 0 6244 18144 8744 26 4 0 1000 syz-executor.3 [ 6261] 0 6261 18144 8744 26 4 0 1000 syz-executor.3 [ 6263] 0 6263 18144 8742 26 4 0 1000 syz-executor.4 [ 6279] 0 6279 18144 8710 25 3 0 1000 syz-executor.4 [ 6281] 0 6281 18144 8744 26 4 0 1000 syz-executor.3 [ 6295] 0 6295 18144 8710 25 3 0 1000 syz-executor.4 [ 6297] 0 6297 18144 8744 26 4 0 1000 syz-executor.3 [ 6314] 0 6314 18144 8712 25 3 0 1000 syz-executor.3 [ 6316] 0 6316 18144 8710 25 3 0 1000 syz-executor.4 [ 6330] 0 6330 18144 8712 25 3 0 1000 syz-executor.3 [ 6354] 0 6354 18144 8712 25 3 0 1000 syz-executor.3 [ 6468] 0 6468 18144 8710 25 3 0 1000 syz-executor.0 [ 7821] 0 7821 18144 8741 26 4 0 1000 syz-executor.0 [ 8491] 0 8491 5364 169 15 3 0 -1000 udevd [ 8733] 0 8733 18177 8743 26 4 0 1000 syz-executor.4 [ 8770] 0 8770 18144 8741 26 4 0 1000 syz-executor.4 [ 8789] 0 8789 18144 8741 26 4 0 1000 syz-executor.4 [ 8952] 0 8952 18144 8741 26 4 0 1000 syz-executor.4 [ 8988] 0 8988 18144 8741 26 4 0 1000 syz-executor.4 [ 8993] 0 8993 18144 8700 24 3 0 1000 syz-executor.4 [ 9008] 0 9008 18144 8700 24 3 0 1000 syz-executor.4 [ 9033] 0 9033 18144 8700 24 3 0 1000 syz-executor.4 [ 9117] 0 9117 18144 8741 26 4 0 1000 syz-executor.4 [ 9148] 0 9148 18144 8741 26 4 0 1000 syz-executor.4 [ 9169] 0 9169 18144 8741 26 4 0 1000 syz-executor.4 [ 9232] 0 9232 18144 8741 26 4 0 1000 syz-executor.4 [ 9259] 0 9259 18144 8743 26 4 0 1000 syz-executor.2 [ 9281] 0 9281 18144 8743 26 4 0 1000 syz-executor.2 [ 9312] 0 9312 18144 8741 26 4 0 1000 syz-executor.4 [ 9408] 0 9408 18144 8743 26 4 0 1000 syz-executor.2 [ 9419] 0 9419 18144 8743 26 4 0 1000 syz-executor.2 [ 9427] 0 9427 18144 8702 24 3 0 1000 syz-executor.2 [ 9457] 0 9457 18144 8702 24 3 0 1000 syz-executor.2 [ 9463] 0 9463 18144 8702 24 3 0 1000 syz-executor.2 [ 9568] 0 9568 18144 8743 26 4 0 1000 syz-executor.2 [ 9598] 0 9598 18144 8743 26 4 0 1000 syz-executor.2 [ 9630] 0 9630 18144 8743 26 4 0 1000 syz-executor.2 [ 9931] 0 9931 18144 8744 26 4 0 1000 syz-executor.1 [ 9942] 0 9942 18177 8746 26 4 0 1000 syz-executor.1 [ 9978] 0 9978 18177 8746 26 4 0 1000 syz-executor.1 [10008] 0 10008 18177 8746 26 4 0 1000 syz-executor.1 [10031] 0 10031 18177 8746 26 4 0 1000 syz-executor.1 [10057] 0 10057 18144 8703 24 3 0 1000 syz-executor.1 [10063] 0 10063 18177 8714 25 3 0 1000 syz-executor.1 [10099] 0 10099 18144 8703 24 3 0 1000 syz-executor.1 [10107] 0 10107 18144 8712 25 3 0 1000 syz-executor.1 [10125] 0 10125 18144 8703 24 3 0 1000 syz-executor.1 [10131] 0 10131 18177 8714 25 3 0 1000 syz-executor.1 [10146] 0 10146 18177 8746 26 4 0 1000 syz-executor.1 [10193] 0 10193 18177 8746 26 4 0 1000 syz-executor.1 [10233] 0 10233 18144 8744 26 4 0 1000 syz-executor.1 [10246] 0 10246 18177 8746 26 4 0 1000 syz-executor.1 [10270] 0 10270 18177 8746 26 4 0 1000 syz-executor.1 [10318] 0 10318 18177 8746 26 4 0 1000 syz-executor.1 [10328] 0 10328 18177 8746 26 4 0 1000 syz-executor.1 [10365] 0 10365 18177 8746 26 4 0 1000 syz-executor.1 [10430] 0 10430 18144 8703 24 3 0 1000 syz-executor.1 [10432] 0 10432 18144 8712 25 3 0 1000 syz-executor.1 [10472] 0 10472 18177 8746 26 4 0 1000 syz-executor.1 [10501] 0 10501 18177 8746 26 4 0 1000 syz-executor.1 [10509] 0 10509 18177 8746 26 4 0 1000 syz-executor.1 [10556] 0 10556 18177 8746 26 4 0 1000 syz-executor.1 [10564] 0 10564 18177 8746 26 4 0 1000 syz-executor.1 [10590] 0 10590 18144 8703 24 3 0 1000 syz-executor.1 [10591] 0 10591 18144 8712 25 3 0 1000 syz-executor.1 [10638] 0 10638 18177 8746 26 4 0 1000 syz-executor.1 [10677] 0 10677 18177 8747 26 4 0 1000 syz-executor.1 [10686] 0 10686 18177 8746 26 4 0 1000 syz-executor.1 [10700] 0 10700 18144 8744 26 4 0 1000 syz-executor.1 [10722] 0 10722 18177 8746 26 4 0 1000 syz-executor.1 [10738] 0 10738 18177 8746 26 4 0 1000 syz-executor.1 [10755] 0 10755 18177 8746 26 4 0 1000 syz-executor.1 [10772] 0 10772 18177 8746 26 4 0 1000 syz-executor.1 [10786] 0 10786 18177 8746 26 4 0 1000 syz-executor.1 [10816] 0 10816 18177 8746 26 4 0 1000 syz-executor.1 [10833] 0 10833 18177 8746 26 4 0 1000 syz-executor.1 [10905] 0 10905 18144 8703 24 3 0 1000 syz-executor.1 [10910] 0 10910 18144 8712 25 3 0 1000 syz-executor.1 [10926] 0 10926 18144 8703 24 3 0 1000 syz-executor.1 [10930] 0 10930 18144 8712 25 3 0 1000 syz-executor.1 [10947] 0 10947 18177 8746 26 4 0 1000 syz-executor.1 [10962] 0 10962 18177 8746 26 4 0 1000 syz-executor.1 [10973] 0 10973 18177 8746 26 4 0 1000 syz-executor.1 [10989] 0 10989 18177 8746 26 4 0 1000 syz-executor.1 [10999] 0 10999 18177 8746 26 4 0 1000 syz-executor.1 [11047] 0 11047 18144 8703 24 3 0 1000 syz-executor.1 [11049] 0 11049 18144 8712 25 3 0 1000 syz-executor.1 [11072] 0 11072 18177 8746 26 4 0 1000 syz-executor.1 [11107] 0 11107 18177 8747 26 4 0 1000 syz-executor.1 [11116] 0 11116 18177 8746 26 4 0 1000 syz-executor.1 [11123] 0 11123 18144 8742 25 4 0 1000 syz-executor.2 [11142] 0 11142 18144 8743 26 4 0 1000 syz-executor.2 [11143] 0 11143 18177 8746 26 4 0 1000 syz-executor.1 [11157] 0 11157 18144 8744 26 4 0 1000 syz-executor.2 [11170] 0 11170 18177 8746 26 4 0 1000 syz-executor.1 [11194] 0 11194 18177 8746 26 4 0 1000 syz-executor.1 [11263] 0 11263 18177 8746 26 4 0 1000 syz-executor.1 [11269] 0 11269 18177 8746 26 4 0 1000 syz-executor.1 [11332] 0 11332 18177 8746 26 4 0 1000 syz-executor.1 [11350] 0 11350 18144 8703 24 3 0 1000 syz-executor.1 [11354] 0 11354 18144 8712 25 3 0 1000 syz-executor.1 [11375] 0 11375 18177 8746 26 4 0 1000 syz-executor.1 [11440] 0 11440 18177 8746 26 4 0 1000 syz-executor.1 [11494] 0 11494 18177 8746 26 4 0 1000 syz-executor.1 [11529] 0 11529 18177 8746 26 4 0 1000 syz-executor.1 [11578] 0 11578 18177 8746 26 4 0 1000 syz-executor.1 [11602] 0 11602 18144 8703 24 3 0 1000 syz-executor.1 [11618] 0 11618 18144 8712 25 3 0 1000 syz-executor.1 [11624] 0 11624 18177 8746 26 4 0 1000 syz-executor.1 [11634] 0 11634 18144 8703 24 3 0 1000 syz-executor.1 [11638] 0 11638 18144 8712 25 3 0 1000 syz-executor.1 [11666] 0 11666 18177 8746 26 4 0 1000 syz-executor.1 [11716] 0 11716 18177 8746 26 4 0 1000 syz-executor.1 [11724] 0 11724 18177 8747 28 4 0 1000 syz-executor.1 [11749] 0 11749 18177 8746 26 4 0 1000 syz-executor.1 [11774] 0 11774 18144 8703 24 3 0 1000 syz-executor.1 [11775] 0 11775 18144 8712 25 3 0 1000 syz-executor.1 [18897] 0 18897 18144 8743 26 4 0 1000 syz-executor.2 [18941] 0 18941 18144 8743 26 4 0 1000 syz-executor.2 [19199] 0 19199 18144 8743 26 4 0 1000 syz-executor.2 [19225] 0 19225 18144 8743 26 4 0 1000 syz-executor.2 [19241] 0 19241 18144 8743 26 4 0 1000 syz-executor.2 [19563] 0 19563 18144 8744 26 4 0 1000 syz-executor.4 [19577] 0 19577 18144 8744 26 4 0 1000 syz-executor.4 [19591] 0 19591 18144 8744 26 4 0 1000 syz-executor.4 [19871] 0 19871 18144 8744 26 4 0 1000 syz-executor.4 [19884] 0 19884 18144 8744 26 4 0 1000 syz-executor.4 [19913] 0 19913 18144 8744 26 4 0 1000 syz-executor.4 [20210] 0 20210 18144 8711 25 3 0 1000 syz-executor.2 [20255] 0 20255 18144 8711 25 3 0 1000 syz-executor.2 [20281] 0 20281 18144 8711 25 3 0 1000 syz-executor.2 [20453] 0 20453 18144 8702 24 3 0 0 syz-executor.0 [20479] 0 20479 18177 8713 25 3 0 0 syz-executor.0 [20512] 0 20512 18177 8745 26 4 0 0 syz-executor.0 [20742] 0 20742 18177 8746 26 4 0 0 syz-executor.0 [20813] 0 20813 18144 8702 24 3 0 0 syz-executor.0 [20816] 0 20816 18144 8711 25 3 0 0 syz-executor.0 [20860] 0 20860 18144 8712 25 3 0 1000 syz-executor.4 [20925] 0 20925 18144 8712 25 3 0 1000 syz-executor.4 [20980] 0 20980 18144 8712 25 3 0 1000 syz-executor.4 [20988] 0 20988 18144 8702 24 3 0 0 syz-executor.0 [20992] 0 20992 18693 8711 25 3 0 0 syz-executor.0 [21025] 0 21025 18144 8702 24 3 0 0 syz-executor.0 [21034] 0 21034 18144 8711 25 3 0 0 syz-executor.0 [21203] 0 21203 18145 8745 26 4 0 0 syz-executor.0 [21391] 0 21391 18144 8702 24 3 0 0 syz-executor.0 [21395] 0 21395 18144 8711 25 3 0 0 syz-executor.0 [21563] 0 21563 18144 8702 24 3 0 0 syz-executor.0 [21565] 0 21565 18144 8711 25 3 0 0 syz-executor.0 [21666] 0 21666 18144 8702 24 3 0 0 syz-executor.0 [21669] 0 21669 18177 8713 25 3 0 0 syz-executor.0 [21921] 0 21921 18177 8746 26 4 0 0 syz-executor.0 [21956] 0 21956 18144 8743 26 4 0 1000 syz-executor.2 [21968] 0 21968 18144 8743 26 4 0 1000 syz-executor.2 [21984] 0 21984 18144 8743 26 4 0 1000 syz-executor.2 [22006] 0 22006 18144 8743 26 4 0 1000 syz-executor.2 [22030] 0 22030 18144 8743 26 4 0 1000 syz-executor.2 [22059] 0 22059 18144 8743 26 4 0 1000 syz-executor.2 [22175] 0 22175 18177 8746 26 4 0 1000 syz-executor.4 [22258] 0 22258 18177 8746 26 4 0 1000 syz-executor.4 [22285] 0 22285 18210 8747 26 4 0 0 syz-executor.0 [22490] 0 22490 18144 8744 26 4 0 1000 syz-executor.4 [22511] 0 22511 18144 8744 26 4 0 1000 syz-executor.4 [22533] 0 22533 18144 8744 26 4 0 1000 syz-executor.4 [22545] 0 22545 18144 8744 26 4 0 1000 syz-executor.4 [22564] 0 22564 18144 8744 26 4 0 1000 syz-executor.4 [22584] 0 22584 18144 8744 26 4 0 1000 syz-executor.4 [24640] 0 24640 18144 8744 26 4 0 1000 syz-executor.5 [24644] 0 24644 18144 8744 26 4 0 1000 syz-executor.5 [24840] 0 24840 18144 8744 26 4 0 1000 syz-executor.5 [24860] 0 24860 18144 8744 26 4 0 1000 syz-executor.5 [25271] 0 25271 18144 8712 25 3 0 1000 syz-executor.5 [25318] 0 25318 18144 8712 25 3 0 1000 syz-executor.5 [25335] 0 25335 18144 8712 25 3 0 1000 syz-executor.5 [26437] 0 26437 18144 8744 26 4 0 1000 syz-executor.5 [26448] 0 26448 18144 8744 26 4 0 1000 syz-executor.5 [26464] 0 26464 18144 8744 26 4 0 1000 syz-executor.5 [26473] 0 26473 18144 8744 26 4 0 1000 syz-executor.5 [26493] 0 26493 18144 8744 26 4 0 1000 syz-executor.5 [26512] 0 26512 18144 8744 26 4 0 1000 syz-executor.5 [26634] 0 26633 18210 8747 34 4 0 1000 syz-executor.2 Out of memory: Kill process 5712 (syz-executor.3) score 1005 or sacrifice child Killed process 5712 (syz-executor.3) total-vm:72576kB, anon-rss:160kB, file-rss:34816kB, shmem-rss:0kB udevd invoked oom-killer: gfp_mask=0x27080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK), nodemask=0, order=3, oom_score_adj=-1000 CPU: 1 PID: 586 Comm: udevd Tainted: G W 4.9.189+ #21 ffff8801d023f7e0 ffffffff81b65c01 ffff8801d023fb38 ffffffff833f14b0 00000000fffffc18 ffff8801d023fb50 0000000000000003 ffff8801d023f860 ffffffff81506abb 0000000000000003 00000000fffffc18 ffffffff828284d5 Call Trace: [<000000006fc772e5>] __dump_stack lib/dump_stack.c:15 [inline] [<000000006fc772e5>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000068289813>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<000000008eec3429>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<000000002213adeb>] out_of_memory mm/oom_kill.c:1069 [inline] [<000000002213adeb>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000d8c24a16>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000d8c24a16>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000d8c24a16>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<0000000077916f13>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000077916f13>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000077916f13>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000077916f13>] alloc_thread_stack_node kernel/fork.c:214 [inline] [<0000000077916f13>] dup_task_struct kernel/fork.c:494 [inline] [<0000000077916f13>] copy_process.part.0+0x2da/0x6690 kernel/fork.c:1640 [<000000002d9c9c5f>] copy_process kernel/fork.c:1586 [inline] [<000000002d9c9c5f>] _do_fork+0x1c1/0xd50 kernel/fork.c:2111 [<0000000038d108fe>] SYSC_clone kernel/fork.c:2223 [inline] [<0000000038d108fe>] SyS_clone+0x37/0x50 kernel/fork.c:2217 [<00000000b57014b8>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000005dd154fe>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:71903 inactive_anon:43 isolated_anon:0 active_file:35 inactive_file:13 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:6623 slab_unreclaimable:73933 mapped:52242 shmem:51 pagetables:7169 bounce:0 free:6171 free_pcp:0 free_cma:0 Node 0 active_anon:287612kB inactive_anon:172kB active_file:140kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208968kB dirty:0kB writeback:0kB shmem:204kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18732kB 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:36kB kernel_stack:32kB pagetables:28kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:5952kB min:5580kB low:9168kB high:12756kB active_anon:287612kB inactive_anon:172kB active_file:140kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:26492kB slab_unreclaimable:295696kB kernel_stack:13408kB pagetables:28648kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 3*4kB (UM) 4*8kB (UM) 2*16kB (M) 1*32kB (M) 1*64kB (M) 3*128kB (M) 3*256kB (M) 2*512kB (UM) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18732kB 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 5387 191 16 3 0 -1000 udevd [ 586] 0 586 5531 313 15 3 0 -1000 udevd [ 587] 0 587 5531 313 15 3 0 -1000 udevd [ 1756] 0 1756 2492 573 8 3 0 0 dhclient [ 1887] 0 1887 14264 108 24 3 0 0 rsyslogd [ 1940] 0 1940 4724 51 15 3 0 0 cron [ 1960] 0 1960 3734 44 11 3 0 0 mcstransd [ 1968] 0 1968 12926 1231 28 3 0 0 restorecond [ 1988] 0 1988 12489 153 28 3 0 -1000 sshd [ 2018] 0 2018 3648 39 13 3 0 0 getty [ 2034] 0 2034 17820 197 39 3 0 0 sshd [ 2036] 0 2036 103368 61181 166 6 0 0 syz-fuzzer [ 2083] 0 2083 18112 15 23 3 0 0 syz-executor.0 [ 2084] 0 2084 18112 16 23 3 0 0 syz-executor.1 [ 2085] 0 2085 18112 16 23 3 0 0 syz-executor.5 [ 2086] 0 2086 18112 17 23 3 0 0 syz-executor.2 [ 2087] 0 2087 18112 17 23 3 0 0 syz-executor.3 [ 2088] 0 2088 18112 15 23 3 0 0 syz-executor.4 [ 2089] 0 2089 18111 8496 24 4 0 0 syz-executor.1 [ 2094] 0 2094 18111 8731 24 4 0 0 syz-executor.0