[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 11.137708] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 11.622265] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.66' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 42.786620] lowmemorykiller: Killing 'syz-executor025' (2066) (tgid 2066), adj 1000, [ 42.786620] to free 44kB on behalf of 'kswapd0' (33) because [ 42.786620] cache 36336kB is below limit 65536kB for oom_score_adj 12 [ 42.786620] Free memory is -13228kB above reserved [ 42.795711] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 42.802855] in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0 [ 42.807469] 2 locks held by kswapd0/33: [ 42.823823] #0: (shrinker_rwsem){++++..}, at: [<000000000066e3bc>] shrink_slab.part.0+0xb2/0xa20 [ 42.869106] #1: (rcu_read_lock){......}, at: [<0000000083640b1c>] lowmem_scan+0x242/0xb50 [ 42.910808] Preemption disabled at:[ 42.926808] [<0000000042cc5f9a>] get_task_mm+0x20/0xc0 [ 42.957059] CPU: 1 PID: 33 Comm: kswapd0 Not tainted 4.9.185+ #8 [ 42.963214] ffff8801d84177c0 ffffffff81b5a081 0000000000000000 0000000000000001 [ 42.971275] ffff8801d8408000 ffffffff810d0ca0 ffff8801d8408000 ffff8801d84177f8 [ 42.979326] ffffffff814002fc ffff8801d8408000 ffffffff82a39940 0000000000000387 [ 42.987370] Call Trace: [ 42.989945] [<00000000aa241538>] dump_stack+0xc1/0x120 [ 42.995294] [<0000000042cc5f9a>] ? get_task_mm+0x20/0xc0 [ 43.000821] [<000000004f5eb4de>] ___might_sleep.cold+0x1c1/0x1fa [ 43.007034] [<00000000272eb92c>] __might_sleep+0x95/0x1a0 [ 43.012642] [<000000002b89f181>] mmput+0x28/0x370 [ 43.017558] [<0000000047b020ab>] handle_lmk_event+0xea/0x8a0 [ 43.023428] [<000000001b4e7464>] lowmem_scan+0x695/0xb50 [ 43.028975] [<000000000f6041bc>] shrink_slab.part.0+0x3cf/0xa20 [ 43.035106] [<0000000069e9874a>] ? unregister_shrinker+0x230/0x230 [ 43.041496] [<000000008f3d5b2d>] ? _raw_spin_unlock_irq+0x39/0x60 [ 43.047803] [<00000000020ea79a>] ? finish_task_switch+0x1e5/0x660 [ 43.054105] [<00000000cee47c26>] ? finish_task_switch+0x1b7/0x660 [ 43.060408] [<0000000093ad55a8>] ? __switch_to_asm+0x41/0x70 [ 43.066274] [<00000000b52493c9>] shrink_node+0x1ed/0x750 [ 43.071793] [<00000000155d9ef8>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 43.078788] [<0000000085be5448>] kswapd+0x7f8/0x13b0 [ 43.083964] [<0000000078923268>] ? try_to_free_pages+0xbd0/0xbd0 [ 43.090184] [<00000000eaa5540f>] ? autoremove_wake_function.part.0+0x130/0x130 [ 43.097615] [<0000000093d23964>] ? __kthread_parkme+0x173/0x240 [ 43.103746] [<0000000078923268>] ? try_to_free_pages+0xbd0/0xbd0 [ 43.109961] [<0000000094f1ae74>] kthread+0x278/0x310 [ 43.115136] [<00000000c2e969f8>] ? kthread_park+0xa0/0xa0 [ 43.120742] [<000000007fcb6503>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 43.127480] [<000000008f3d5b2d>] ? _raw_spin_unlock_irq+0x39/0x60 [ 43.133783] [<00000000020ea79a>] ? finish_task_switch+0x1e5/0x660 [ 43.140085] [<00000000cee47c26>] ? finish_task_switch+0x1b7/0x660 [ 43.146389] [<0000000093ad55a8>] ? __switch_to_asm+0x41/0x70 [ 43.152269] [<000000005d936620>] ? __switch_to_asm+0x35/0x70 [ 43.158135] [<0000000093ad55a8>] ? __switch_to_asm+0x41/0x70 [ 43.164001] [<00000000c2e969f8>] ? kthread_park+0xa0/0xa0 [ 43.169608] [<00000000c2e969f8>] ? kthread_park+0xa0/0xa0 [ 43.175212] [<00000000a0af0efb>] ret_from_fork+0x5c/0x70 [ 43.258026] [ 43.259678] ================================= [ 43.264165] [ INFO: inconsistent lock state ] [ 43.268641] 4.9.185+ #8 Tainted: G W [ 43.273576] --------------------------------- [ 43.278043] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 43.284684] kswapd0/33 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 43.289847] (&mm->mmap_sem){+++++?}, at: [<00000000299b147a>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 43.302218] mark_held_locks+0xb1/0x100 [ 43.306254] lockdep_trace_alloc+0x18c/0x2b0 [ 43.310751] __alloc_pages_nodemask+0x143/0x1a80 [ 43.315570] __pmd_alloc+0x4a/0x330 [ 43.319264] move_page_tables+0xadb/0xd60 [ 43.323482] shift_arg_pages+0x1ae/0x470 [ 43.327621] setup_arg_pages+0x60d/0x7c0 [ 43.331753] load_elf_binary+0xa84/0x4a90 [ 43.335990] search_binary_handler+0x14f/0x700 [ 43.340643] do_execveat_common.isra.0+0xf81/0x1db0 [ 43.345748] do_execve+0x3a/0x50 [ 43.349183] run_init_process+0x33/0x37 [ 43.353243] try_to_run_init_process+0x18/0x48 [ 43.357904] kernel_init+0xf2/0x163 [ 43.361612] ret_from_fork+0x5c/0x70 [ 43.365392] irq event stamp: 4399 [ 43.368826] hardirqs last enabled at (4399): [<00000000768a64d3>] restore_regs_and_iret+0x0/0x1d [ 43.377826] hardirqs last disabled at (4398): [<00000000814b9a7c>] preempt_schedule_irq+0x6a/0xa0 [ 43.386820] softirqs last enabled at (4394): [<00000000a1783d2c>] __do_softirq+0x474/0x964 [ 43.395292] softirqs last disabled at (4369): [<00000000ddbc0ba8>] irq_exit+0x119/0x160 [ 43.403412] [ 43.403412] other info that might help us debug this: [ 43.410458] Possible unsafe locking scenario: [ 43.410458] [ 43.416490] CPU0 [ 43.419050] ---- [ 43.421628] lock(&mm->mmap_sem); [ 43.425422] [ 43.428165] lock(&mm->mmap_sem); [ 43.432103] [ 43.432103] *** DEADLOCK *** [ 43.432103] [ 43.438144] 3 locks held by kswapd0/33: [ 43.442094] #0: (shrinker_rwsem){++++..}, at: [<000000000066e3bc>] shrink_slab.part.0+0xb2/0xa20 [ 43.451693] #1: (rcu_read_lock){......}, at: [<0000000083640b1c>] lowmem_scan+0x242/0xb50 [ 43.460675] #2: (lmk_event_lock){+.+.-.}, at: [<00000000aaad9163>] handle_lmk_event+0xfb/0x8a0 [ 43.470102] [ 43.470102] stack backtrace: [ 43.474585] CPU: 0 PID: 33 Comm: kswapd0 Tainted: G W 4.9.185+ #8 [ 43.481929] ffff8801d8417500 ffffffff81b5a081 00000000000000f0 ffff8801d8408000 [ 43.489963] ffffffff83caf5b0 ffff8801d8408948 ffffffff84250ec0 ffff8801d8417578 [ 43.497981] ffffffff81406d39 0000000000000000 ffffffff00000001 0000000000000001 [ 43.506022] Call Trace: [ 43.508608] [<00000000aa241538>] dump_stack+0xc1/0x120 [ 43.513960] [<00000000213d363f>] print_usage_bug.cold+0x452/0x5a2 [ 43.520263] [<0000000065bd3c1e>] mark_lock+0x6c7/0x12e0 [ 43.525694] [<0000000046fa5e47>] ? print_irq_inversion_bug+0xa0/0xa0 [ 43.532267] [<00000000b807d1bf>] __lock_acquire+0x5c3/0x4350 [ 43.538134] [<00000000ded17a03>] ? trace_hardirqs_on+0x10/0x10 [ 43.544189] [<000000007fcb6503>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 43.550940] [<00000000ca3be643>] lock_acquire+0x133/0x3d0 [ 43.556544] [<00000000299b147a>] ? get_cmdline+0xa3/0x2d0 [ 43.562153] [<00000000c01333e4>] down_read+0x44/0xb0 [ 43.567323] [<00000000299b147a>] ? get_cmdline+0xa3/0x2d0 [ 43.572939] [<00000000299b147a>] get_cmdline+0xa3/0x2d0 [ 43.578371] [<000000001ce003d8>] handle_lmk_event+0x13c/0x8a0 [ 43.584322] [<000000001b4e7464>] lowmem_scan+0x695/0xb50 [ 43.589842] [<000000000f6041bc>] shrink_slab.part.0+0x3cf/0xa20 [ 43.595972] [<0000000069e9874a>] ? unregister_shrinker+0x230/0x230 [ 43.602382] [<000000008f3d5b2d>] ? _raw_spin_unlock_irq+0x39/0x60 [ 43.608694] [<00000000020ea79a>] ? finish_task_switch+0x1e5/0x660 [ 43.615002] [<00000000cee47c26>] ? finish_task_switch+0x1b7/0x660 [ 43.621306] [<0000000093ad55a8>] ? __switch_to_asm+0x41/0x70 [ 43.627172] [<00000000b52493c9>] shrink_node+0x1ed/0x750 [ 43.632693] [<00000000155d9ef8>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 43.639685] [<0000000085be5448>] kswapd+0x7f8/0x13b0 [ 43.644868] [<0000000078923268>] ? try_to_free_pages+0xbd0/0xbd0 [ 43.651135] [<00000000eaa5540f>] ? autoremove_wake_function.part.0+0x130/0x130 [ 43.658566] [<0000000093d23964>] ? __kthread_parkme+0x173/0x240 [ 43.664689] [<0000000078923268>] ? try_to_free_pages+0xbd0/0xbd0 [ 43.670905] [<0000000094f1ae74>] kthread+0x278/0x310 [ 43.676075] [<00000000c2e969f8>] ? kthread_park+0xa0/0xa0 [ 43.681678] [<000000007fcb6503>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 43.688424] [<000000008f3d5b2d>] ? _raw_spin_unlock_irq+0x39/0x60 [ 43.694722] [<00000000020ea79a>] ? finish_task_switch+0x1e5/0x660 [ 43.701024] [<00000000cee47c26>] ? finish_task_switch+0x1b7/0x660 [ 43.707328] [<0000000093ad55a8>] ? __switch_to_asm+0x41/0x70 [ 43.713216] [<000000005d936620>] ? __switch_to_asm+0x35/0x70 [ 43.719083] [<0000000093ad55a8>] ? __switch_to_asm+0x41/0x70 [ 43.724955] [<00000000c2e969f8>] ? kthread_park+0xa0/0xa0 [ 43.730564] [<00000000c2e969f8>] ? kthread_park+0xa0/0xa0 [ 43.736170] [<00000000a0af0efb>] ret_from_fork+0x5c/0x70 [ 43.784945] syz-executor025: vmalloc: allocation failure, allocated 1189216256 of 3747430400 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 43.799140] CPU: 1 PID: 2066 Comm: syz-executor025 Tainted: G W 4.9.185+ #8 [ 43.801049] lowmemorykiller: Killing 'syz-executor025' (2066) (tgid 2066), adj 1000, [ 43.801049] to free 44kB on behalf of 'rs:main Q:Reg' (1900) because [ 43.801049] cache 144kB is below limit 6144kB for oom_score_adj 0 [ 43.801049] Free memory is -37504kB above reserved [ 43.801054] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 43.801059] in_atomic(): 0, irqs_disabled(): 0, pid: 1900, name: rs:main Q:Reg [ 43.801061] INFO: lockdep is turned off. [ 43.801075] Preemption disabled at: [ 43.801075] [<0000000042cc5f9a>] get_task_mm+0x20/0xc0 [ 43.861197] ffff8801ce52f988 ffffffff81b5a081 1ffff10039ca5f33 dffffc0000000000 [ 43.869223] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ce52fab0 [ 43.877250] ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 [ 43.885288] Call Trace: [ 43.887875] [<00000000aa241538>] dump_stack+0xc1/0x120 [ 43.893235] [<000000009e567279>] warn_alloc.cold+0x76/0x93 [ 43.898933] [<000000002922a9a7>] ? zone_watermark_ok_safe+0x260/0x260 [ 43.905586] [<00000000768a64d3>] ? retint_kernel+0x2d/0x2d [ 43.911288] [<000000003e6caf77>] __vmalloc_node_range+0x3ff/0x610 [ 43.917597] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 43.923900] [<00000000f62b950c>] vmalloc+0x5c/0x70 [ 43.928901] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 43.935207] [<00000000262de840>] xt_alloc_table_info+0xc8/0x100 [ 43.941342] [<00000000fa9d61cc>] do_replace.isra.0+0x111/0x480 [ 43.947386] [<0000000070027f96>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 43.954225] [<000000009aa92c66>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 43.960960] [<0000000006d0236b>] ? __cap_capable+0x182/0x1d0 [ 43.966831] [<00000000606c76b7>] ? ns_capable_common+0x12c/0x160 [ 43.973049] [<0000000097e5bfc3>] do_arpt_set_ctl+0x108/0x150 [ 43.978921] [<000000003d151a31>] nf_setsockopt+0x6d/0xc0 [ 43.984445] [<0000000026f85153>] ip_setsockopt+0x8a/0xa0 [ 43.990010] [<00000000f21ef252>] udp_setsockopt+0x4e/0x90 [ 43.995624] [<0000000074844752>] sock_common_setsockopt+0x9a/0xe0 [ 44.001930] [<000000008f84c47a>] SyS_setsockopt+0x159/0x240 [ 44.007713] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.012974] [<0000000020478117>] ? __do_page_fault+0x545/0xa60 [ 44.019015] [<0000000037e2e03f>] ? do_syscall_64+0x4a/0x5c0 [ 44.024795] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.030058] [<00000000085e5590>] do_syscall_64+0x1ad/0x5c0 [ 44.035761] [<000000000beed5a2>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 44.042684] CPU: 0 PID: 1900 Comm: rs:main Q:Reg Tainted: G W 4.9.185+ #8 [ 44.050743] ffff8801d3f772d0 ffffffff81b5a081 0000000000000000 0000000000000001 [ 44.058773] ffff8801d3a217c0 ffffffff810d0ca0 ffff8801d3a217c0 ffff8801d3f77308 [ 44.066834] ffffffff814002fc ffff8801d3a217c0 ffffffff82a39940 0000000000000387 [ 44.074904] Call Trace: [ 44.077474] [<00000000aa241538>] dump_stack+0xc1/0x120 [ 44.082823] [<0000000042cc5f9a>] ? get_task_mm+0x20/0xc0 [ 44.088353] [<000000004f5eb4de>] ___might_sleep.cold+0x1c1/0x1fa [ 44.094571] [<00000000272eb92c>] __might_sleep+0x95/0x1a0 [ 44.100178] [<000000002b89f181>] mmput+0x28/0x370 [ 44.105095] [<0000000047b020ab>] handle_lmk_event+0xea/0x8a0 [ 44.110961] [<000000001b4e7464>] lowmem_scan+0x695/0xb50 [ 44.116481] [<000000000f6041bc>] shrink_slab.part.0+0x3cf/0xa20 [ 44.122633] [<0000000069e9874a>] ? unregister_shrinker+0x230/0x230 [ 44.129040] [<00000000b52493c9>] shrink_node+0x1ed/0x750 [ 44.134561] [<00000000155d9ef8>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 44.141569] [<0000000020b36c8a>] ? __delayacct_freepages_start+0x41/0x80 [ 44.148493] [<0000000017e7e593>] try_to_free_pages+0x397/0xbd0 [ 44.154533] [<0000000092705ee3>] ? shrink_node+0x750/0x750 [ 44.160249] [<00000000c7f96643>] __alloc_pages_nodemask+0x930/0x1a80 [ 44.166826] [<000000007f383619>] ? schedule+0x9c/0x1c0 [ 44.172174] [<00000000ded17a03>] ? trace_hardirqs_on+0x10/0x10 [ 44.178215] [<000000002737b632>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 44.184869] [<00000000954d1e05>] ? delayacct_end+0x96/0x170 [ 44.190665] [<00000000ded17a03>] ? trace_hardirqs_on+0x10/0x10 [ 44.196722] [<0000000006b32976>] ? __radix_tree_lookup+0x183/0x220 [ 44.203119] [<000000008723daee>] ? __do_page_cache_readahead+0x1ca/0x880 [ 44.210042] [<00000000072c72d7>] __do_page_cache_readahead+0x21d/0x880 [ 44.216777] [<00000000b0c7cbc6>] ? __do_page_cache_readahead+0x340/0x880 [ 44.223690] [<000000007b3f0ad3>] ? read_cache_pages+0x5e0/0x5e0 [ 44.229817] [<00000000bc415c05>] ? find_get_entry+0x2d0/0x510 [ 44.235807] [<0000000025690327>] ? maybe_unlock_mmap_for_io.isra.0.part.0+0x59/0x80 [ 44.243669] [<0000000079234e33>] filemap_fault+0xd7f/0x1360 [ 44.249453] [<00000000723b5100>] ext4_filemap_fault+0x72/0xa0 [ 44.255409] [<000000001428f658>] __do_fault+0x2a8/0x6c0 [ 44.260841] [<000000006cb97282>] ? do_page_mkwrite+0x400/0x400 [ 44.266879] [<000000000c780964>] ? handle_mm_fault+0x1ba8/0x2420 [ 44.273093] [<00000000ce84604a>] handle_mm_fault+0x11bc/0x2420 [ 44.279135] [<000000000b034433>] ? vm_insert_page+0x850/0x850 [ 44.285117] [<00000000cb2b6ac6>] ? vmacache_find+0x59/0x280 [ 44.290893] [<00000000603aa2d6>] __do_page_fault+0x3f0/0xa60 [ 44.296758] [<0000000027c97a82>] ? bad_area_access_error+0x3d0/0x3d0 [ 44.303320] [<00000000af292439>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.309969] [<000000004d22c84d>] do_page_fault+0x28/0x30 [ 44.315503] [<000000001028262c>] page_fault+0x25/0x30 [ 44.320872] oom_reaper: reaped process 2066 (syz-executor025), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 44.327742] Mem-Info: [ 44.327760] active_anon:3212 inactive_anon:40 isolated_anon:0 [ 44.327760] active_file:10 inactive_file:25 isolated_file:0 [ 44.327760] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.327760] slab_reclaimable:4256 slab_unreclaimable:56352 [ 44.327760] mapped:7 shmem:48 pagetables:351 bounce:0 [ 44.327760] free:394 free_pcp:53 free_cma:0 [ 44.327773] Node 0 active_anon:12848kB inactive_anon:160kB active_file:40kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 44.327790] 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 lowmem_reserve[]: 0 3505 3505 [ 44.327816] Normal free:1576kB min:5580kB low:9168kB high:12756kB active_anon:12848kB inactive_anon:160kB active_file:40kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17024kB slab_unreclaimable:225408kB kernel_stack:3456kB pagetables:1404kB bounce:0kB free_pcp:212kB local_pcp:184kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 44.327849] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 30*4kB (M) 10*8kB (U) 0*16kB 24*32kB (U) 2*64kB (U) 2*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1608kB 84 total pagecache pages [ 44.327888] 0 pages in swap cache [ 44.327892] Swap cache stats: add 0, delete 0, find 0/0 [ 44.327894] Free swap = 0kB [ 44.327896] Total swap = 0kB [ 44.327898] 1965979 pages RAM [ 44.327900] 0 pages HighMem/MovableOnly [ 44.327902] 313625 pages reserved [ 44.527844] syz-executor025 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 44.546556] CPU: 1 PID: 2073 Comm: syz-executor025 Tainted: G W 4.9.185+ #8 [ 44.554799] ffff8801cf0676b0 ffffffff81b5a081 ffff8801cf067a08 ffffffff833f11b0 [ 44.562857] 00000000000003e8 ffff8801cf067a20 0000000000000000 ffff8801cf067730 [ 44.570914] ffffffff8150548b 0000000000000000 00000000000003e8 ffffffff8281c265 [ 44.578977] Call Trace: [ 44.581559] [<00000000aa241538>] dump_stack+0xc1/0x120 [ 44.586919] [<00000000e6054690>] dump_header.isra.0+0x142/0x74c [ 44.593057] [<00000000d2e0920e>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 44.599976] [<0000000046e7f49d>] ? ___ratelimit+0x55/0x413 [ 44.605693] [<00000000143496c4>] oom_kill_process.cold+0xd/0xa74 [ 44.611919] [<000000006f8968e3>] ? has_capability_noaudit+0x25/0x30 [ 44.618397] [<00000000cdd0cf0e>] ? oom_badness.part.0+0x11d/0x600 [ 44.624694] [<0000000071c491de>] ? oom_badness.part.0+0x12f/0x600 [ 44.630993] [<000000008900f7c6>] ? out_of_memory+0x6d3/0xea0 [ 44.636881] [<00000000300712de>] out_of_memory+0x29b/0xea0 [ 44.642583] [<00000000fba95f53>] ? out_of_memory+0x41c/0xea0 [ 44.648445] [<00000000683ba67d>] ? oom_killer_disable+0x210/0x210 [ 44.654743] [<000000004e0f7cbb>] ? trace_hardirqs_on+0xd/0x10 [ 44.660694] [<000000005fe222c3>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 44.667525] [<00000000f6dd238b>] __alloc_pages_nodemask+0x1730/0x1a80 [ 44.674172] [<000000009ae4aaf9>] ? __schedule+0x6d6/0x1f10 [ 44.679880] [<000000002737b632>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 44.686528] [<000000000a9a71f4>] __vmalloc_node_range+0x25b/0x610 [ 44.692833] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 44.699141] [<00000000f62b950c>] vmalloc+0x5c/0x70 [ 44.704156] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 44.710458] [<00000000262de840>] xt_alloc_table_info+0xc8/0x100 [ 44.716586] [<00000000fa9d61cc>] do_replace.isra.0+0x111/0x480 [ 44.722624] [<0000000070027f96>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 44.729446] [<000000009aa92c66>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 44.736179] [<0000000006d0236b>] ? __cap_capable+0x182/0x1d0 [ 44.742050] [<00000000606c76b7>] ? ns_capable_common+0x12c/0x160 [ 44.748266] [<0000000097e5bfc3>] do_arpt_set_ctl+0x108/0x150 [ 44.754136] [<000000003d151a31>] nf_setsockopt+0x6d/0xc0 [ 44.759663] [<0000000026f85153>] ip_setsockopt+0x8a/0xa0 [ 44.765188] [<00000000f21ef252>] udp_setsockopt+0x4e/0x90 [ 44.770807] [<0000000074844752>] sock_common_setsockopt+0x9a/0xe0 [ 44.777112] [<000000008f84c47a>] SyS_setsockopt+0x159/0x240 [ 44.782906] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.788165] [<0000000020478117>] ? __do_page_fault+0x545/0xa60 [ 44.794205] [<0000000037e2e03f>] ? do_syscall_64+0x4a/0x5c0 [ 44.799982] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.805237] [<00000000085e5590>] do_syscall_64+0x1ad/0x5c0 [ 44.810929] [<000000000beed5a2>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 44.818095] lowmemorykiller: Killing 'syz-executor025' (2071) (tgid 2071), adj 1000, [ 44.818095] to free 44kB on behalf of 'syz-executor025' (2074) because [ 44.818095] cache 144kB is below limit 6144kB for oom_score_adj 0 [ 44.818095] Free memory is -35928kB above reserved [ 44.872508] Mem-Info: [ 44.872617] active_anon:3212 inactive_anon:40 isolated_anon:0 [ 44.872617] active_file:10 inactive_file:25 isolated_file:0 [ 44.872617] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.872617] slab_reclaimable:4256 slab_unreclaimable:56352 [ 44.872617] mapped:7 shmem:48 pagetables:351 bounce:0 [ 44.872617] free:8608 free_pcp:236 free_cma:0 [ 44.872631] Node 0 active_anon:12848kB inactive_anon:160kB active_file:40kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 44.872648] 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 lowmem_reserve[]: 0 3505 3505 [ 44.872680] Normal free:34732kB min:5580kB low:9168kB high:12756kB active_anon:12848kB inactive_anon:160kB active_file:40kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17024kB slab_unreclaimable:225408kB kernel_stack:3456kB pagetables:1404kB bounce:0kB free_pcp:984kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 44.872717] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 12*4kB (UME) 12*8kB (UM) 11*16kB (UM) 10*32kB (UM) 32*64kB (UM) 5*128kB (UME) 6*256kB (UME) 21*512kB (UME) 19*1024kB (UM) 0*2048kB 0*4096kB = 35072kB 121 total pagecache pages [ 44.872767] 0 pages in swap cache [ 44.872770] Swap cache stats: add 0, delete 0, find 0/0 [ 44.872772] Free swap = 0kB [ 44.872774] Total swap = 0kB [ 44.872776] 1965979 pages RAM [ 44.872778] 0 pages HighMem/MovableOnly [ 44.872780] 313625 pages reserved [ 44.872783] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 44.872804] [ 470] 0 470 5384 176 15 3 0 -1000 udevd [ 44.872812] [ 563] 0 563 5364 167 14 3 0 -1000 udevd [ 44.872821] [ 564] 0 564 5364 168 14 3 0 -1000 udevd executing program [ 44.872829] [ 1760] 0 1760 2492 574 7 3 0 0 dhclient [ 44.872839] [ 1899] 0 1899 14231 109 23 3 0 0 rsyslogd [ 44.872847] [ 1954] 0 1954 4724 50 14 3 0 0 cron [ 44.872855] [ 1972] 0 1972 3735 45 11 3 0 0 mcstransd [ 44.872865] [ 1974] 0 1974 12926 1228 26 3 0 0 restorecond [ 44.872883] [ 2000] 0 2000 12489 152 28 3 0 -1000 sshd [ 44.872908] [ 2030] 0 2030 3648 41 13 3 0 0 getty [ 44.872917] [ 2055] 0 2055 3648 42 13 3 0 0 getty [ 44.872938] [ 2056] 0 2056 3648 43 13 3 0 0 getty [ 44.872947] [ 2057] 0 2057 3648 42 13 3 0 0 getty [ 44.872967] [ 2058] 0 2058 3648 43 13 3 0 0 getty [ 44.872977] [ 2059] 0 2059 3648 43 13 3 0 0 getty [ 44.872986] [ 2060] 0 2060 3648 43 13 3 0 0 getty [ 44.872995] [ 2061] 0 2061 17820 197 39 3 0 0 sshd [ 44.873004] [ 2063] 0 2063 4380 1 4 2 0 0 syz-executor025 [ 44.873013] [ 2064] 0 2064 4380 11 4 2 0 0 syz-executor025 [ 44.873022] [ 2065] 0 2065 4380 11 4 2 0 0 syz-executor025 [ 44.873030] [ 2066] 0 2066 4380 0 5 2 0 1000 syz-executor025 [ 44.873039] [ 2067] 0 2067 4380 11 4 2 0 0 syz-executor025 [ 44.873047] [ 2068] 0 2068 4380 11 4 2 0 0 syz-executor025 [ 44.873056] [ 2069] 0 2069 4380 11 4 2 0 0 syz-executor025 [ 44.873065] [ 2070] 0 2070 4380 11 4 2 0 0 syz-executor025 [ 44.873073] [ 2071] 0 2071 4380 11 5 2 0 1000 syz-executor025 [ 44.873082] [ 2072] 0 2072 4380 11 5 2 0 1000 syz-executor025 [ 44.873091] [ 2073] 0 2073 4380 11 5 2 0 1000 syz-executor025 [ 44.873100] [ 2074] 0 2074 4380 11 5 2 0 1000 syz-executor025 [ 44.873109] [ 2075] 0 2075 4380 11 5 2 0 1000 syz-executor025 [ 44.873114] Out of memory: Kill process 2071 (syz-executor025) score 999 or sacrifice child [ 44.873126] Killed process 2071 (syz-executor025) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 44.890991] lowmemorykiller: Killing 'syz-executor025' (2071) (tgid 2071), adj 1000, [ 44.890991] to free 44kB on behalf of 'syz-executor025' (2073) because [ 44.890991] cache 292kB is below limit 6144kB for oom_score_adj 0 [ 44.890991] Free memory is -31740kB above reserved [ 44.890996] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 44.891000] in_atomic(): 0, irqs_disabled(): 0, pid: 2073, name: syz-executor025 [ 44.891002] INFO: lockdep is turned off. [ 44.891018] Preemption disabled at: [ 44.891019] [<0000000042cc5f9a>] get_task_mm+0x20/0xc0 [ 44.891028] CPU: 1 PID: 2073 Comm: syz-executor025 Tainted: G W 4.9.185+ #8 [ 44.891041] ffff8801cf067388 ffffffff81b5a081 0000000000000000 0000000000000001 [ 44.891050] ffff8801ce40af80 ffffffff810d0ca0 ffff8801ce40af80 ffff8801cf0673c0 [ 44.891060] ffffffff814002fc ffff8801ce40af80 ffffffff82a39940 0000000000000387 [ 44.891061] Call Trace: [ 44.891082] [<00000000aa241538>] dump_stack+0xc1/0x120 [ 44.891089] [<0000000042cc5f9a>] ? get_task_mm+0x20/0xc0 [ 44.891097] [<000000004f5eb4de>] ___might_sleep.cold+0x1c1/0x1fa [ 44.891106] [<00000000272eb92c>] __might_sleep+0x95/0x1a0 [ 44.891113] [<000000002b89f181>] mmput+0x28/0x370 [ 44.891121] [<0000000047b020ab>] handle_lmk_event+0xea/0x8a0 [ 44.891128] [<000000001b4e7464>] lowmem_scan+0x695/0xb50 [ 44.891137] [<000000000f6041bc>] shrink_slab.part.0+0x3cf/0xa20 [ 44.891144] [<0000000069e9874a>] ? unregister_shrinker+0x230/0x230 [ 44.891158] [<00000000ded17a03>] ? trace_hardirqs_on+0x10/0x10 [ 44.891165] [<00000000b52493c9>] shrink_node+0x1ed/0x750 [ 44.891173] [<00000000155d9ef8>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 44.891182] [<0000000020b36c8a>] ? __delayacct_freepages_start+0x41/0x80 [ 44.891190] [<0000000017e7e593>] try_to_free_pages+0x397/0xbd0 [ 44.891196] [<0000000092705ee3>] ? shrink_node+0x750/0x750 [ 44.891203] [<00000000c7f96643>] __alloc_pages_nodemask+0x930/0x1a80 [ 44.891212] [<000000009ae4aaf9>] ? __schedule+0x6d6/0x1f10 [ 44.891221] [<000000002737b632>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 44.891229] [<000000000a9a71f4>] __vmalloc_node_range+0x25b/0x610 [ 44.891238] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 44.891244] [<00000000f62b950c>] vmalloc+0x5c/0x70 [ 44.891251] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 44.891257] [<00000000262de840>] xt_alloc_table_info+0xc8/0x100 [ 44.891265] [<00000000fa9d61cc>] do_replace.isra.0+0x111/0x480 [ 44.891272] [<0000000070027f96>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 44.891279] [<000000009aa92c66>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 44.891286] [<0000000006d0236b>] ? __cap_capable+0x182/0x1d0 [ 44.891295] [<00000000606c76b7>] ? ns_capable_common+0x12c/0x160 [ 44.891301] [<0000000097e5bfc3>] do_arpt_set_ctl+0x108/0x150 [ 44.891309] [<000000003d151a31>] nf_setsockopt+0x6d/0xc0 [ 44.891316] [<0000000026f85153>] ip_setsockopt+0x8a/0xa0 [ 44.891325] [<00000000f21ef252>] udp_setsockopt+0x4e/0x90 [ 44.891334] [<0000000074844752>] sock_common_setsockopt+0x9a/0xe0 [ 44.891340] [<000000008f84c47a>] SyS_setsockopt+0x159/0x240 [ 44.891347] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.891355] [<0000000020478117>] ? __do_page_fault+0x545/0xa60 [ 44.891362] [<0000000037e2e03f>] ? do_syscall_64+0x4a/0x5c0 [ 44.891368] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.891374] [<00000000085e5590>] do_syscall_64+0x1ad/0x5c0 [ 44.891382] [<000000000beed5a2>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 44.900131] oom_reaper: reaped process 2071 (syz-executor025), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 44.915209] syz-executor025 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 44.915217] CPU: 0 PID: 2072 Comm: syz-executor025 Tainted: G W 4.9.185+ #8 [ 44.915230] ffff8801c565f6b0 ffffffff81b5a081 ffff8801c565fa08 ffffffff833f11b0 [ 44.915239] 00000000000003e8 ffff8801c565fa20 0000000000000000 ffff8801c565f730 [ 44.915248] ffffffff8150548b 0000000000000000 00000000000003e8 ffffffff8281c265 [ 44.915249] Call Trace: [ 44.915259] [<00000000aa241538>] dump_stack+0xc1/0x120 [ 44.915273] [<00000000e6054690>] dump_header.isra.0+0x142/0x74c [ 44.915280] [<00000000d2e0920e>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 44.915288] [<0000000046e7f49d>] ? ___ratelimit+0x55/0x413 [ 44.915295] [<00000000143496c4>] oom_kill_process.cold+0xd/0xa74 [ 44.915303] [<000000006f8968e3>] ? has_capability_noaudit+0x25/0x30 [ 44.915310] [<00000000cdd0cf0e>] ? oom_badness.part.0+0x11d/0x600 [ 44.915317] [<0000000071c491de>] ? oom_badness.part.0+0x12f/0x600 [ 44.915324] [<000000008900f7c6>] ? out_of_memory+0x6d3/0xea0 [ 44.915332] [<00000000300712de>] out_of_memory+0x29b/0xea0 [ 44.915339] [<00000000fba95f53>] ? out_of_memory+0x41c/0xea0 [ 44.915346] [<00000000683ba67d>] ? oom_killer_disable+0x210/0x210 [ 44.915354] [<000000004e0f7cbb>] ? trace_hardirqs_on+0xd/0x10 [ 44.915361] [<000000005fe222c3>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 44.915367] [<00000000f6dd238b>] __alloc_pages_nodemask+0x1730/0x1a80 [ 44.915376] [<000000002737b632>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 44.915383] [<0000000086ae47c8>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 44.915392] [<0000000015e98f1d>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.915398] [<00000000768a64d3>] ? retint_kernel+0x2d/0x2d [ 44.915406] [<000000000a9a71f4>] __vmalloc_node_range+0x25b/0x610 [ 44.915413] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 44.915420] [<00000000f62b950c>] vmalloc+0x5c/0x70 [ 44.915427] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 44.915434] [<00000000262de840>] xt_alloc_table_info+0xc8/0x100 [ 44.915441] [<00000000fa9d61cc>] do_replace.isra.0+0x111/0x480 [ 44.915448] [<0000000070027f96>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 44.915455] [<000000009aa92c66>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 44.915462] [<0000000006d0236b>] ? __cap_capable+0x182/0x1d0 [ 44.915469] [<00000000606c76b7>] ? ns_capable_common+0x12c/0x160 [ 44.915475] [<0000000097e5bfc3>] do_arpt_set_ctl+0x108/0x150 [ 44.915483] [<000000003d151a31>] nf_setsockopt+0x6d/0xc0 [ 44.915490] [<0000000026f85153>] ip_setsockopt+0x8a/0xa0 [ 44.915497] [<00000000f21ef252>] udp_setsockopt+0x4e/0x90 [ 44.915504] [<0000000074844752>] sock_common_setsockopt+0x9a/0xe0 [ 44.915511] [<000000008f84c47a>] SyS_setsockopt+0x159/0x240 [ 44.915518] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.915524] [<0000000020478117>] ? __do_page_fault+0x545/0xa60 [ 44.915530] [<0000000037e2e03f>] ? do_syscall_64+0x4a/0x5c0 [ 44.915536] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.915542] [<00000000085e5590>] do_syscall_64+0x1ad/0x5c0 [ 44.915549] [<000000000beed5a2>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program [ 44.917336] syz-executor025: vmalloc: allocation failure, allocated 1275981824 of 3747430400 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 44.917344] CPU: 1 PID: 2071 Comm: syz-executor025 Tainted: G W 4.9.185+ #8 [ 44.917357] ffff8801ce457988 ffffffff81b5a081 1ffff10039c8af33 dffffc0000000000 [ 44.917367] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ce457ab0 [ 44.917377] ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 [ 44.917379] Call Trace: [ 44.917388] [<00000000aa241538>] dump_stack+0xc1/0x120 [ 44.917396] [<000000009e567279>] warn_alloc.cold+0x76/0x93 [ 44.917405] [<000000002922a9a7>] ? zone_watermark_ok_safe+0x260/0x260 [ 44.917412] [<00000000768a64d3>] ? retint_kernel+0x2d/0x2d [ 44.917420] [<000000003e6caf77>] __vmalloc_node_range+0x3ff/0x610 [ 44.917428] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 44.917435] [<00000000f62b950c>] vmalloc+0x5c/0x70 [ 44.917443] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 44.917451] [<00000000262de840>] xt_alloc_table_info+0xc8/0x100 [ 44.917458] [<00000000fa9d61cc>] do_replace.isra.0+0x111/0x480 [ 44.917466] [<0000000070027f96>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 44.917475] [<000000009aa92c66>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 44.917481] [<0000000006d0236b>] ? __cap_capable+0x182/0x1d0 [ 44.917490] [<00000000606c76b7>] ? ns_capable_common+0x12c/0x160 [ 44.917497] [<0000000097e5bfc3>] do_arpt_set_ctl+0x108/0x150 [ 44.917505] [<000000003d151a31>] nf_setsockopt+0x6d/0xc0 [ 44.917512] [<0000000026f85153>] ip_setsockopt+0x8a/0xa0 [ 44.917520] [<00000000f21ef252>] udp_setsockopt+0x4e/0x90 [ 44.917528] [<0000000074844752>] sock_common_setsockopt+0x9a/0xe0 [ 44.917536] [<000000008f84c47a>] SyS_setsockopt+0x159/0x240 [ 44.917544] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.917551] [<0000000020478117>] ? __do_page_fault+0x545/0xa60 [ 44.917558] [<0000000037e2e03f>] ? do_syscall_64+0x4a/0x5c0 [ 44.917565] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.917572] [<00000000085e5590>] do_syscall_64+0x1ad/0x5c0 [ 44.917580] [<000000000beed5a2>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 44.917583] Mem-Info: [ 44.917599] active_anon:3212 inactive_anon:40 isolated_anon:0 [ 44.917599] active_file:23 inactive_file:28 isolated_file:0 [ 44.917599] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.917599] slab_reclaimable:4256 slab_unreclaimable:56352 [ 44.917599] mapped:7 shmem:48 pagetables:351 bounce:0 [ 44.917599] free:0 free_pcp:161 free_cma:0 [ 44.917613] Node 0 active_anon:12848kB inactive_anon:160kB active_file:92kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 44.917632] 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 lowmem_reserve[]: 0 3505 3505 [ 44.917704] Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12848kB inactive_anon:160kB active_file:92kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17024kB slab_unreclaimable:225408kB kernel_stack:3456kB pagetables:1404kB bounce:0kB free_pcp:644kB local_pcp:24kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 44.917759] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB Mem-Info: [ 44.917776] active_anon:3212 inactive_anon:40 isolated_anon:0 [ 44.917776] active_file:23 inactive_file:28 isolated_file:0 [ 44.917776] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.917776] slab_reclaimable:4256 slab_unreclaimable:56352 [ 44.917776] mapped:7 shmem:48 pagetables:351 bounce:0 [ 44.917776] free:0 free_pcp:161 free_cma:0 [ 44.917790] Node 0 active_anon:12848kB inactive_anon:160kB active_file:92kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 44.917808] 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 0*4096kB lowmem_reserve[]: [ 44.917814] = 0kB 0Normal: 35050*4kB 35050*8kB 0*16kB Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12848kB inactive_anon:160kB active_file:92kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17024kB slab_unreclaimable:225408kB kernel_stack:3456kB pagetables:1404kB bounce:0kB free_pcp:644kB local_pcp:620kB free_cma:0kB 0*32kB lowmem_reserve[]: [ 44.917855] 0*64kB 00*128kB 00*256kB 00*512kB 0*1024kB DMA32: 0*2048kB 0*4kB 0*4096kB 0*8kB = 0kB 0*16kB 133 total pagecache pages [ 44.917889] 0*32kB 0 pages in swap cache [ 44.917895] 0*64kB Swap cache stats: add 0, delete 0, find 0/0 [ 44.917899] 0*128kB Free swap = 0kB [ 44.917903] 0*256kB Total swap = 0kB [ 44.917907] 0*512kB 1965979 pages RAM [ 44.917911] 0*1024kB 0 pages HighMem/MovableOnly [ 44.917915] 0*2048kB 313625 pages reserved [ 44.917919] 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 133 total pagecache pages [ 44.917952] 0 pages in swap cache [ 44.917956] Swap cache stats: add 0, delete 0, find 0/0 [ 44.917958] Free swap = 0kB [ 44.917960] Total swap = 0kB [ 44.917963] 1965979 pages RAM [ 44.917965] 0 pages HighMem/MovableOnly [ 44.917967] 313625 pages reserved [ 44.917969] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 44.917982] [ 470] 0 470 5384 176 15 3 0 -1000 udevd [ 44.917992] [ 563] 0 563 5364 167 14 3 0 -1000 udevd [ 44.918002] [ 564] 0 564 5364 168 14 3 0 -1000 udevd [ 44.918011] [ 1760] 0 1760 2492 574 7 3 0 0 dhclient [ 44.918020] [ 1899] 0 1899 14231 108 23 3 0 0 rsyslogd [ 44.918030] [ 1954] 0 1954 4724 50 14 3 0 0 cron [ 44.918039] [ 1972] 0 1972 3735 45 11 3 0 0 mcstransd [ 44.918048] [ 1974] 0 1974 12926 1228 26 3 0 0 restorecond [ 44.918058] [ 2000] 0 2000 12489 152 28 3 0 -1000 sshd [ 44.918067] [ 2030] 0 2030 3648 41 13 3 0 0 getty [ 44.918076] [ 2055] 0 2055 3648 42 13 3 0 0 getty [ 44.918085] [ 2056] 0 2056 3648 43 13 3 0 0 getty [ 44.918094] [ 2057] 0 2057 3648 42 13 3 0 0 getty [ 44.918104] [ 2058] 0 2058 3648 43 13 3 0 0 getty [ 44.918113] [ 2059] 0 2059 3648 43 13 3 0 0 getty [ 44.918122] [ 2060] 0 2060 3648 43 13 3 0 0 getty [ 44.918131] [ 2061] 0 2061 17820 197 39 3 0 0 sshd [ 44.918140] [ 2063] 0 2063 4380 1 4 2 0 0 syz-executor025 [ 44.918149] [ 2064] 0 2064 4380 11 4 2 0 0 syz-executor025 [ 44.918168] [ 2065] 0 2065 4380 11 4 2 0 0 syz-executor025 executing program [ 44.918177] [ 2066] 0 2066 4380 0 5 2 0 1000 syz-executor025 [ 44.918186] [ 2067] 0 2067 4380 11 4 2 0 0 syz-executor025 [ 44.918196] [ 2068] 0 2068 4380 11 4 2 0 0 syz-executor025 [ 44.918205] [ 2069] 0 2069 4380 11 4 2 0 0 syz-executor025 [ 44.918214] [ 2070] 0 2070 4380 11 4 2 0 0 syz-executor025 [ 44.918223] [ 2071] 0 2071 4380 0 5 2 0 1000 syz-executor025 [ 44.918233] [ 2072] 0 2072 4380 11 5 2 0 1000 syz-executor025 [ 44.918242] [ 2073] 0 2073 4380 11 5 2 0 1000 syz-executor025 [ 44.918251] [ 2074] 0 2074 4380 11 5 2 0 1000 syz-executor025 [ 44.918261] [ 2075] 0 2075 4380 11 5 2 0 1000 syz-executor025 [ 44.918266] Out of memory: Kill process 2072 (syz-executor025) score 999 or sacrifice child [ 44.918278] Killed process 2072 (syz-executor025) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 44.918949] oom_reaper: reaped process 2072 (syz-executor025), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 44.919490] syz-executor025: vmalloc: allocation failure, allocated 1147297792 of 3747430400 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 44.919497] CPU: 0 PID: 2072 Comm: syz-executor025 Tainted: G W 4.9.185+ #8 [ 44.919510] ffff8801c565f988 ffffffff81b5a081 1ffff10038acbf33 dffffc0000000000 [ 44.919521] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801c565fab0 [ 44.919531] ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 [ 44.919533] Call Trace: [ 44.919542] [<00000000aa241538>] dump_stack+0xc1/0x120 [ 44.919550] [<000000009e567279>] warn_alloc.cold+0x76/0x93 [ 44.919559] [<000000002922a9a7>] ? zone_watermark_ok_safe+0x260/0x260 [ 44.919569] [<000000005b376041>] ? ___might_sleep+0x1b1/0x280 [ 44.919576] [<000000003e6caf77>] __vmalloc_node_range+0x3ff/0x610 [ 44.919585] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 44.919592] [<00000000f62b950c>] vmalloc+0x5c/0x70 [ 44.919600] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 44.919608] [<00000000262de840>] xt_alloc_table_info+0xc8/0x100 [ 44.919615] [<00000000fa9d61cc>] do_replace.isra.0+0x111/0x480 [ 44.919623] [<0000000070027f96>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 44.919632] [<000000009aa92c66>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 44.919639] [<0000000006d0236b>] ? __cap_capable+0x182/0x1d0 [ 44.919647] [<00000000606c76b7>] ? ns_capable_common+0x12c/0x160 [ 44.919654] [<0000000097e5bfc3>] do_arpt_set_ctl+0x108/0x150 [ 44.919663] [<000000003d151a31>] nf_setsockopt+0x6d/0xc0 [ 44.919670] [<0000000026f85153>] ip_setsockopt+0x8a/0xa0 [ 44.919678] [<00000000f21ef252>] udp_setsockopt+0x4e/0x90 [ 44.919686] [<0000000074844752>] sock_common_setsockopt+0x9a/0xe0 [ 44.919694] [<000000008f84c47a>] SyS_setsockopt+0x159/0x240 [ 44.919702] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.919709] [<0000000020478117>] ? __do_page_fault+0x545/0xa60 [ 44.919716] [<0000000037e2e03f>] ? do_syscall_64+0x4a/0x5c0 [ 44.919724] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.919731] [<00000000085e5590>] do_syscall_64+0x1ad/0x5c0 [ 44.919739] [<000000000beed5a2>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 44.919750] Mem-Info: [ 44.919767] active_anon:3212 inactive_anon:40 isolated_anon:0 [ 44.919767] active_file:23 inactive_file:28 isolated_file:0 [ 44.919767] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.919767] slab_reclaimable:4256 slab_unreclaimable:56352 [ 44.919767] mapped:7 shmem:48 pagetables:351 bounce:0 [ 44.919767] free:7 free_pcp:13 free_cma:0 [ 44.919780] Node 0 active_anon:12848kB inactive_anon:160kB active_file:92kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 44.919798] 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 lowmem_reserve[]: 0 3505 3505 [ 44.919824] Normal free:28kB min:5580kB low:9168kB high:12756kB active_anon:12848kB inactive_anon:160kB active_file:92kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17024kB slab_unreclaimable:225408kB kernel_stack:3456kB pagetables:1404kB bounce:0kB free_pcp:52kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 44.919859] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB [ 44.923006] rsyslogd invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 [ 44.923023] CPU: 1 PID: 1902 Comm: rsyslogd Tainted: G W 4.9.185+ #8 [ 44.923036] ffff8801d387f6f0 ffffffff81b5a081 ffff8801d387fa48 ffffffff833f11b0 [ 44.923046] 0000000000000000 ffff8801d387fa60 0000000000000000 ffff8801d387f770 [ 44.923056] ffffffff8150548b 0000000000000000 0000000000000000 ffffffff8281c265 [ 44.923058] Call Trace: [ 44.923067] [<00000000aa241538>] dump_stack+0xc1/0x120 [ 44.923075] [<00000000e6054690>] dump_header.isra.0+0x142/0x74c [ 44.923083] [<00000000d2e0920e>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 44.923091] [<0000000046e7f49d>] ? ___ratelimit+0x55/0x413 [ 44.923099] [<00000000143496c4>] oom_kill_process.cold+0xd/0xa74 [ 44.923107] [<000000006f8968e3>] ? has_capability_noaudit+0x25/0x30 [ 44.923114] [<00000000cdd0cf0e>] ? oom_badness.part.0+0x11d/0x600 [ 44.923121] [<0000000071c491de>] ? oom_badness.part.0+0x12f/0x600 [ 44.923128] [<000000008900f7c6>] ? out_of_memory+0x6d3/0xea0 [ 44.923136] [<00000000300712de>] out_of_memory+0x29b/0xea0 [ 44.923143] [<00000000fba95f53>] ? out_of_memory+0x41c/0xea0 [ 44.923151] [<00000000683ba67d>] ? oom_killer_disable+0x210/0x210 [ 44.923158] [<000000004e0f7cbb>] ? trace_hardirqs_on+0xd/0x10 [ 44.923165] [<000000005fe222c3>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 44.923172] [<00000000f6dd238b>] __alloc_pages_nodemask+0x1730/0x1a80 [ 44.923180] [<000000002737b632>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 44.923188] [<00000000ba5f8c9c>] ? page_cache_prev_hole+0x80/0x80 [ 44.923194] [<000000004cbbd763>] ? find_get_entry+0x2a9/0x510 [ 44.923201] [<00000000bc415c05>] ? find_get_entry+0x2d0/0x510 [ 44.923208] [<00000000ba5f8c9c>] ? page_cache_prev_hole+0x80/0x80 [ 44.923215] [<000000001688e8b2>] pagecache_get_page+0x248/0x740 [ 44.923222] [<000000008926acb9>] filemap_fault+0xb1f/0x1360 [ 44.923231] [<00000000723b5100>] ext4_filemap_fault+0x72/0xa0 [ 44.923238] [<000000001428f658>] __do_fault+0x2a8/0x6c0 [ 44.923245] [<000000006cb97282>] ? do_page_mkwrite+0x400/0x400 [ 44.923253] [<000000002c94c9f1>] ? handle_mm_fault+0x1896/0x2420 [ 44.923260] [<000000006981593b>] ? generic_file_readonly_mmap+0x190/0x190 [ 44.923267] [<00000000ce84604a>] handle_mm_fault+0x11bc/0x2420 [ 44.923274] [<000000000b034433>] ? vm_insert_page+0x850/0x850 [ 44.923280] [<00000000cb2b6ac6>] ? vmacache_find+0x59/0x280 [ 44.923287] [<00000000603aa2d6>] __do_page_fault+0x3f0/0xa60 [ 44.923295] [<0000000027c97a82>] ? bad_area_access_error+0x3d0/0x3d0 [ 44.923303] [<000000005695eae4>] ? debug_locks_off+0x2e/0xa0 [ 44.923311] [<00000000af292439>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.923318] [<000000004d22c84d>] do_page_fault+0x28/0x30 [ 44.923325] [<000000001028262c>] page_fault+0x25/0x30 [ 44.923328] Mem-Info: [ 44.923343] active_anon:3212 inactive_anon:40 isolated_anon:0 [ 44.923343] active_file:23 inactive_file:28 isolated_file:0 [ 44.923343] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.923343] slab_reclaimable:4256 slab_unreclaimable:56352 [ 44.923343] mapped:7 shmem:48 pagetables:351 bounce:0 [ 44.923343] free:1032 free_pcp:162 free_cma:0 [ 44.923356] Node 0 active_anon:12848kB inactive_anon:160kB active_file:92kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 44.923373] 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 lowmem_reserve[]: 0 3505 3505 [ 44.923398] Normal free:4328kB min:5580kB low:9168kB high:12756kB active_anon:12848kB inactive_anon:160kB active_file:92kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17024kB slab_unreclaimable:225408kB kernel_stack:3456kB pagetables:1404kB bounce:0kB free_pcp:744kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 44.923431] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 52*4kB (UM) 39*8kB (U) 39*16kB (U) 38*32kB (U) 36*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4664kB 133 total pagecache pages [ 44.923475] 0 pages in swap cache [ 44.923479] Swap cache stats: add 0, delete 0, find 0/0 [ 44.923480] Free swap = 0kB [ 44.923482] Total swap = 0kB [ 44.923484] 1965979 pages RAM [ 44.923486] 0 pages HighMem/MovableOnly [ 44.923488] 313625 pages reserved [ 44.923490] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 44.923502] [ 470] 0 470 5384 176 15 3 0 -1000 udevd [ 44.923511] [ 563] 0 563 5364 167 14 3 0 -1000 udevd [ 44.923519] [ 564] 0 564 5364 168 14 3 0 -1000 udevd [ 44.923528] [ 1760] 0 1760 2492 574 7 3 0 0 dhclient [ 44.923537] [ 1899] 0 1899 14231 108 23 3 0 0 rsyslogd [ 44.923545] [ 1954] 0 1954 4724 50 14 3 0 0 cron [ 44.923553] [ 1972] 0 1972 3735 45 11 3 0 0 mcstransd [ 44.923562] [ 1974] 0 1974 12926 1228 26 3 0 0 restorecond [ 44.923570] [ 2000] 0 2000 12489 152 28 3 0 -1000 sshd [ 44.923579] [ 2030] 0 2030 3648 41 13 3 0 0 getty [ 44.923587] [ 2055] 0 2055 3648 42 13 3 0 0 getty [ 44.923595] [ 2056] 0 2056 3648 43 13 3 0 0 getty [ 44.923603] [ 2057] 0 2057 3648 42 13 3 0 0 getty [ 44.923612] [ 2058] 0 2058 3648 43 13 3 0 0 getty [ 44.923620] [ 2059] 0 2059 3648 43 13 3 0 0 getty [ 44.923628] [ 2060] 0 2060 3648 43 13 3 0 0 getty [ 44.923637] [ 2061] 0 2061 17820 197 39 3 0 0 sshd [ 44.923645] [ 2063] 0 2063 4380 1 4 2 0 0 syz-executor025 [ 44.923662] [ 2064] 0 2064 4380 11 4 2 0 0 syz-executor025 [ 44.923671] [ 2065] 0 2065 4380 11 4 2 0 0 syz-executor025 [ 44.923679] [ 2066] 0 2066 4380 0 5 2 0 1000 syz-executor025 [ 44.923687] [ 2067] 0 2067 4380 11 4 2 0 0 syz-executor025 [ 44.923696] [ 2068] 0 2068 4380 11 4 2 0 0 syz-executor025 [ 44.923705] [ 2069] 0 2069 4380 11 4 2 0 0 syz-executor025 [ 44.923713] [ 2070] 0 2070 4380 11 4 2 0 0 syz-executor025 [ 44.923721] [ 2071] 0 2071 4380 0 5 2 0 1000 syz-executor025 [ 44.923730] [ 2072] 0 2072 4380 0 5 2 0 1000 syz-executor025 [ 44.923738] [ 2073] 0 2073 4380 11 5 2 0 1000 syz-executor025 [ 44.923746] [ 2074] 0 2074 4380 11 5 2 0 1000 syz-executor025 executing program [ 44.923755] [ 2075] 0 2075 4380 11 5 2 0 1000 syz-executor025 [ 44.923760] Out of memory: Kill process 2073 (syz-executor025) score 999 or sacrifice child [ 44.923770] Killed process 2073 (syz-executor025) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 44.924269] 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 133 total pagecache pages [ 44.924274] 0 pages in swap cache [ 44.924278] Swap cache stats: add 0, delete 0, find 0/0 [ 44.924280] Free swap = 0kB [ 44.924282] Total swap = 0kB [ 44.924285] 1965979 pages RAM [ 44.924287] 0 pages HighMem/MovableOnly [ 44.924289] 313625 pages reserved [ 44.941535] oom_reaper: reaped process 2073 (syz-executor025), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 44.941952] syz-executor025: vmalloc: allocation failure, allocated 1075310592 of 3747430400 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 44.941960] CPU: 0 PID: 2073 Comm: syz-executor025 Tainted: G W 4.9.185+ #8 [ 44.941973] ffff8801cf067988 ffffffff81b5a081 1ffff10039e0cf33 dffffc0000000000 [ 44.941983] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801cf067ab0 [ 44.941994] ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 [ 44.941996] Call Trace: [ 44.942005] [<00000000aa241538>] dump_stack+0xc1/0x120 [ 44.942025] [<000000009e567279>] warn_alloc.cold+0x76/0x93 [ 44.942045] [<000000002922a9a7>] ? zone_watermark_ok_safe+0x260/0x260 [ 44.942055] [<0000000094848f29>] ? ___might_sleep+0x16b/0x280 [ 44.942063] [<000000003e6caf77>] __vmalloc_node_range+0x3ff/0x610 [ 44.942071] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 44.942078] [<00000000f62b950c>] vmalloc+0x5c/0x70 [ 44.942086] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 44.942094] [<00000000262de840>] xt_alloc_table_info+0xc8/0x100 [ 44.942102] [<00000000fa9d61cc>] do_replace.isra.0+0x111/0x480 [ 44.942110] [<0000000070027f96>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 44.942118] [<000000009aa92c66>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 44.942125] [<0000000006d0236b>] ? __cap_capable+0x182/0x1d0 [ 44.942134] [<00000000606c76b7>] ? ns_capable_common+0x12c/0x160 [ 44.942142] [<0000000097e5bfc3>] do_arpt_set_ctl+0x108/0x150 [ 44.942150] [<000000003d151a31>] nf_setsockopt+0x6d/0xc0 [ 44.942167] [<0000000026f85153>] ip_setsockopt+0x8a/0xa0 [ 44.942186] [<00000000f21ef252>] udp_setsockopt+0x4e/0x90 [ 44.942194] [<0000000074844752>] sock_common_setsockopt+0x9a/0xe0 [ 44.942214] [<000000008f84c47a>] SyS_setsockopt+0x159/0x240 [ 44.942222] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.942230] [<0000000020478117>] ? __do_page_fault+0x545/0xa60 [ 44.942236] [<0000000037e2e03f>] ? do_syscall_64+0x4a/0x5c0 [ 44.942244] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 44.942251] [<00000000085e5590>] do_syscall_64+0x1ad/0x5c0 [ 44.942259] [<000000000beed5a2>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 44.942262] Mem-Info: [ 44.942279] active_anon:3187 inactive_anon:40 isolated_anon:0 [ 44.942279] active_file:23 inactive_file:28 isolated_file:0 [ 44.942279] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.942279] slab_reclaimable:4256 slab_unreclaimable:56352 [ 44.942279] mapped:7 shmem:48 pagetables:351 bounce:0 [ 44.942279] free:19 free_pcp:37 free_cma:0 [ 44.942293] Node 0 active_anon:12748kB inactive_anon:160kB active_file:92kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 44.942311] 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 lowmem_reserve[]: 0 3505 3505 [ 44.942338] Normal free:76kB min:5580kB low:9168kB high:12756kB active_anon:12748kB inactive_anon:160kB active_file:92kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17024kB slab_unreclaimable:225408kB kernel_stack:3456kB pagetables:1404kB bounce:0kB free_pcp:148kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 executing program [ 44.942385] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 133 total pagecache pages [ 44.942417] 0 pages in swap cache [ 44.942420] Swap cache stats: add 0, delete 0, find 0/0 [ 44.942422] Free swap = 0kB [ 44.942424] Total swap = 0kB [ 44.942426] 1965979 pages RAM [ 44.942428] 0 pages HighMem/MovableOnly [ 44.942430] 313625 pages reserved [ 45.908677] lowmemorykiller: Killing 'syz-executor025' (2074) (tgid 2074), adj 1000, [ 45.908677] to free 44kB on behalf of 'syz-executor025' (2075) because [ 45.908677] cache 136kB is below limit 6144kB for oom_score_adj 0 [ 45.908677] Free memory is -13372kB above reserved [ 45.908687] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 45.910888] in_atomic(): 0, irqs_disabled(): 0, pid: 2075, name: syz-executor025 [ 45.910890] INFO: lockdep is turned off. [ 45.910906] Preemption disabled at: [ 45.910906] [<0000000042cc5f9a>] get_task_mm+0x20/0xc0 [ 45.910916] CPU: 1 PID: 2075 Comm: syz-executor025 Tainted: G W 4.9.185+ #8 [ 45.910929] ffff8801c539f388 ffffffff81b5a081 0000000000000000 0000000000000001 [ 45.910938] ffff8801d0452f80 ffffffff810d0ca0 ffff8801d0452f80 ffff8801c539f3c0 [ 45.910947] ffffffff814002fc ffff8801d0452f80 ffffffff82a39940 0000000000000387 [ 45.910949] Call Trace: [ 45.910959] [<00000000aa241538>] dump_stack+0xc1/0x120 [ 45.910965] [<0000000042cc5f9a>] ? get_task_mm+0x20/0xc0 [ 45.910974] [<000000004f5eb4de>] ___might_sleep.cold+0x1c1/0x1fa [ 45.910983] [<00000000272eb92c>] __might_sleep+0x95/0x1a0 [ 45.910990] [<000000002b89f181>] mmput+0x28/0x370 [ 45.910999] [<0000000047b020ab>] handle_lmk_event+0xea/0x8a0 [ 45.911005] [<000000001b4e7464>] lowmem_scan+0x695/0xb50 [ 45.911014] [<000000000f6041bc>] shrink_slab.part.0+0x3cf/0xa20 [ 45.911022] [<0000000069e9874a>] ? unregister_shrinker+0x230/0x230 [ 45.911029] [<00000000ded17a03>] ? trace_hardirqs_on+0x10/0x10 [ 45.911037] [<00000000b52493c9>] shrink_node+0x1ed/0x750 [ 45.911045] [<00000000155d9ef8>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 45.911054] [<0000000020b36c8a>] ? __delayacct_freepages_start+0x41/0x80 [ 45.911061] [<0000000017e7e593>] try_to_free_pages+0x397/0xbd0 [ 45.911069] [<0000000092705ee3>] ? shrink_node+0x750/0x750 [ 45.911077] [<00000000c7f96643>] __alloc_pages_nodemask+0x930/0x1a80 [ 45.911084] [<000000009ae4aaf9>] ? __schedule+0x6d6/0x1f10 [ 45.911093] [<000000002737b632>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 45.911113] [<000000004464b22a>] ? ___might_sleep+0x196/0x280 [ 45.911121] [<000000000a9a71f4>] __vmalloc_node_range+0x25b/0x610 [ 45.911129] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 45.911136] [<00000000f62b950c>] vmalloc+0x5c/0x70 [ 45.911142] [<00000000262de840>] ? xt_alloc_table_info+0xc8/0x100 [ 45.911149] [<00000000262de840>] xt_alloc_table_info+0xc8/0x100 [ 45.911156] [<00000000fa9d61cc>] do_replace.isra.0+0x111/0x480 [ 45.911163] [<0000000070027f96>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 45.911171] [<000000009aa92c66>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 45.911178] [<0000000006d0236b>] ? __cap_capable+0x182/0x1d0 [ 45.911188] [<00000000606c76b7>] ? ns_capable_common+0x12c/0x160 [ 45.911206] [<0000000097e5bfc3>] do_arpt_set_ctl+0x108/0x150 [ 45.911215] [<000000003d151a31>] nf_setsockopt+0x6d/0xc0 [ 45.911223] [<0000000026f85153>] ip_setsockopt+0x8a/0xa0 [ 45.911232] [<00000000f21ef252>] udp_setsockopt+0x4e/0x90 [ 45.911241] [<0000000074844752>] sock_common_setsockopt+0x9a/0xe0 [ 45.911250] [<000000008f84c47a>] SyS_setsockopt+0x159/0x240 [ 45.911258] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 45.911268] [<0000000020478117>] ? __do_page_fault+0x545/0xa60 [ 45.911274] [<0000000037e2e03f>] ? do_syscall_64+0x4a/0x5c0 [ 45.911280] [<000000004696956b>] ? SyS_recv+0x40/0x40 [ 45.911287] [<00000000085e5590>] do_syscall_64+0x1ad/0x5c0 Connection to 10.128.0.66 closed by remote host. [ 45.911295] [<000000000beed5a2>] entry_SYSCALL_6