Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 11.037334] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 12.222465] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.19' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 29.437046] lowmemorykiller: Killing 'syz-executor819' (2083) (tgid 2083), adj 1000, [ 29.437046] to free 44kB on behalf of 'kswapd0' (33) because [ 29.437046] cache 36476kB is below limit 65536kB for oom_score_adj 12 [ 29.437046] Free memory is -13136kB above reserved [ 29.448427] lowmemorykiller: Killing 'syz-executor819' (2083) (tgid 2083), adj 1000, [ 29.448427] to free 44kB on behalf of 'syz-executor819' (2092) because [ 29.448427] cache 33876kB is below limit 65536kB for oom_score_adj 12 [ 29.448427] Free memory is -12932kB above reserved [ 29.448435] BUG: sleeping function called from invalid context at kernel/fork.c:905 [ 29.448439] in_atomic(): 0, irqs_disabled(): 0, pid: 2092, name: syz-executor819 [ 29.448444] 2 locks held by syz-executor819/2092: [ 29.448472] #0: (shrinker_rwsem){++++..}, at: [<000000008ed80f47>] shrink_slab.part.0+0xb2/0xa20 [ 29.448489] #1: (rcu_read_lock){......}, at: [<000000003dc755c4>] lowmem_scan+0x242/0xb50 [ 29.448500] Preemption disabled at: [ 29.448500] [<000000009454394f>] get_task_mm+0x20/0xc0 [ 29.448510] CPU: 1 PID: 2092 Comm: syz-executor819 Not tainted 4.9.189+ #21 [ 29.448524] ffff8801c4267398 ffffffff81b65c01 0000000000000000 0000000000000001 [ 29.448535] ffff8801d0fb0000 ffffffff810d1010 ffff8801d0fb0000 ffff8801c42673d0 [ 29.448546] ffffffff814018f3 ffff8801d0fb0000 ffffffff82a39fc0 0000000000000389 [ 29.448548] Call Trace: [ 29.448560] [<000000007696e091>] dump_stack+0xc1/0x120 [ 29.448568] [<000000009454394f>] ? get_task_mm+0x20/0xc0 [ 29.448589] [<00000000b556392c>] ___might_sleep.cold+0x1c1/0x1fa [ 29.448598] [<000000009df21240>] __might_sleep+0x95/0x1a0 [ 29.448606] [<00000000f686e705>] mmput+0x28/0x370 [ 29.448614] [<00000000fc9e1b89>] handle_lmk_event+0xea/0x8a0 [ 29.448622] [<00000000f2757061>] lowmem_scan+0x695/0xb50 [ 29.448630] [<0000000001a0959a>] shrink_slab.part.0+0x3cf/0xa20 [ 29.448640] [<00000000508b09f9>] ? unregister_shrinker+0x230/0x230 [ 29.448649] [<00000000d6087cea>] shrink_node+0x1ed/0x750 [ 29.448658] [<00000000bd37c990>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 29.448669] [<0000000070104859>] ? __delayacct_freepages_start+0x41/0x80 [ 29.448677] [<00000000621e70a4>] try_to_free_pages+0x397/0xbd0 [ 29.448685] [<00000000f94449c3>] ? shrink_node+0x750/0x750 [ 29.448694] [<0000000052461f90>] __alloc_pages_nodemask+0x930/0x1a80 [ 29.448704] [<0000000020afed31>] ? retint_kernel+0x2d/0x2d [ 29.448716] [<00000000d26ca199>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.448723] [<000000006c0d062b>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 29.448730] [<0000000020afed31>] ? retint_kernel+0x2d/0x2d [ 29.448741] [<00000000fb27aaff>] __vmalloc_node_range+0x25b/0x610 [ 29.448752] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 29.448760] [<0000000089c71673>] vmalloc+0x5c/0x70 [ 29.448768] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 29.448776] [<000000005622226c>] xt_alloc_table_info+0xc8/0x100 [ 29.448785] [<0000000044715080>] do_ipt_set_ctl+0x231/0x470 [ 29.448793] [<000000000fff8664>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 29.448800] [<000000005f8208ee>] ? mutex_unlock+0x9/0x10 [ 29.448811] [<00000000cad2eb02>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 29.448818] [<00000000a347b24d>] nf_setsockopt+0x6d/0xc0 [ 29.448827] [<000000004b1d24db>] ip_setsockopt+0x8a/0xa0 [ 29.448837] [<0000000051ed9dc0>] udp_setsockopt+0x4e/0x90 [ 29.448846] [<0000000090241c73>] ipv6_setsockopt+0xa4/0x140 [ 29.448854] [<000000001d4cdb02>] tcp_setsockopt+0x8a/0xe0 [ 29.448865] [<00000000444794c2>] sock_common_setsockopt+0x9a/0xe0 [ 29.448874] [<000000006d197f91>] SyS_setsockopt+0x159/0x240 [ 29.448882] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 29.448891] [<00000000b8e4c1ca>] ? __do_page_fault+0x545/0xa60 [ 29.448898] [<00000000ce78a1fc>] ? do_syscall_64+0x4a/0x5c0 [ 29.448905] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 29.448912] [<000000003e419c9f>] do_syscall_64+0x1ad/0x5c0 [ 29.448920] [<00000000259c6c8f>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 29.451483] [ 29.451485] ================================= [ 29.451486] [ INFO: inconsistent lock state ] [ 29.451492] 4.9.189+ #21 Tainted: G W [ 29.451493] --------------------------------- [ 29.451496] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 29.451504] syz-executor819/2092 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 29.451516] (&mm->mmap_sem){+++++?}, at: [<00000000bd9004b4>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 29.451527] mark_held_locks+0xb1/0x100 [ 29.451532] lockdep_trace_alloc+0x18c/0x2b0 [ 29.451538] __alloc_pages_nodemask+0x143/0x1a80 [ 29.451544] __pmd_alloc+0x4a/0x330 [ 29.451551] move_page_tables+0xadb/0xd60 [ 29.451557] shift_arg_pages+0x1ae/0x470 [ 29.451562] setup_arg_pages+0x60d/0x7c0 [ 29.451570] load_elf_binary+0xa84/0x4a90 [ 29.451583] search_binary_handler+0x14f/0x700 [ 29.451589] do_execveat_common.isra.0+0xf81/0x1db0 [ 29.451594] do_execve+0x3a/0x50 [ 29.451600] run_init_process+0x33/0x37 [ 29.451606] try_to_run_init_process+0x18/0x48 [ 29.451613] kernel_init+0xf2/0x163 [ 29.451618] ret_from_fork+0x5c/0x70 [ 29.451621] irq event stamp: 505269 [ 29.451628] hardirqs last enabled at (505269): [<0000000020afed31>] restore_regs_and_iret+0x0/0x1d [ 29.451636] hardirqs last disabled at (505268): [<00000000a44f7067>] preempt_schedule_irq+0x6a/0xa0 [ 29.451644] softirqs last enabled at (504838): [<00000000160b4efc>] __do_softirq+0x474/0x964 [ 29.451653] softirqs last disabled at (504709): [<00000000bc7ef384>] irq_exit+0x119/0x160 [ 29.451655] [ 29.451655] other info that might help us debug this: executing program executing program executing program [ 29.451657] Possible unsafe locking scenario: [ 29.451657] [ 29.451658] CPU0 [ 29.451659] ---- [ 29.451663] lock(&mm->mmap_sem); [ 29.451665] [ 29.451668] lock(&mm->mmap_sem); [ 29.451670] [ 29.451670] *** DEADLOCK *** [ 29.451670] [ 29.451673] 3 locks held by syz-executor819/2092: [ 29.451686] #0: (shrinker_rwsem){++++..}, at: [<000000008ed80f47>] shrink_slab.part.0+0xb2/0xa20 [ 29.451697] #1: (rcu_read_lock){......}, at: [<000000003dc755c4>] lowmem_scan+0x242/0xb50 [ 29.451709] #2: (lmk_event_lock){+.+.-.}, at: [<000000005cfb4e10>] handle_lmk_event+0xfb/0x8a0 [ 29.451711] [ 29.451711] stack backtrace: [ 29.451717] CPU: 1 PID: 2092 Comm: syz-executor819 Tainted: G W 4.9.189+ #21 [ 29.451729] ffff8801c42670e0 ffffffff81b65c01 00000000000000f0 ffff8801d0fb0000 [ 29.451739] ffffffff83caf950 ffff8801d0fb0948 ffffffff84250fc0 ffff8801c4267158 [ 29.451748] ffffffff81408330 0000000000000000 ffffffff00000001 0000000000000001 [ 29.451750] Call Trace: [ 29.451757] [<000000007696e091>] dump_stack+0xc1/0x120 [ 29.451765] [<00000000d499e3f1>] print_usage_bug.cold+0x452/0x5a2 [ 29.451772] [<0000000073ff7de7>] mark_lock+0x6c7/0x12e0 [ 29.451779] [<0000000086cdd70f>] ? print_irq_inversion_bug+0xa0/0xa0 [ 29.451785] [<00000000e2c2f7e6>] __lock_acquire+0x5be/0x4390 [ 29.451792] [<000000008dda3f14>] ? trace_hardirqs_on+0x10/0x10 [ 29.451799] [<000000008dda3f14>] ? trace_hardirqs_on+0x10/0x10 [ 29.451807] [<00000000d0476906>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 29.451814] [<00000000caef5341>] lock_acquire+0x133/0x3d0 [ 29.451820] [<00000000bd9004b4>] ? get_cmdline+0xa3/0x2d0 [ 29.451826] [<000000008a75d2c2>] down_read+0x44/0xb0 [ 29.451832] [<00000000bd9004b4>] ? get_cmdline+0xa3/0x2d0 [ 29.451838] [<00000000bd9004b4>] get_cmdline+0xa3/0x2d0 [ 29.451845] [<00000000b76df86b>] handle_lmk_event+0x13c/0x8a0 [ 29.451852] [<00000000f2757061>] lowmem_scan+0x695/0xb50 [ 29.451859] [<0000000001a0959a>] shrink_slab.part.0+0x3cf/0xa20 [ 29.451867] [<00000000508b09f9>] ? unregister_shrinker+0x230/0x230 [ 29.451875] [<00000000d6087cea>] shrink_node+0x1ed/0x750 [ 29.451883] [<00000000bd37c990>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 29.451891] [<0000000070104859>] ? __delayacct_freepages_start+0x41/0x80 [ 29.451898] [<00000000621e70a4>] try_to_free_pages+0x397/0xbd0 [ 29.451905] [<00000000f94449c3>] ? shrink_node+0x750/0x750 [ 29.451912] [<0000000052461f90>] __alloc_pages_nodemask+0x930/0x1a80 [ 29.451919] [<0000000020afed31>] ? retint_kernel+0x2d/0x2d [ 29.451927] [<00000000d26ca199>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.451934] [<000000006c0d062b>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 29.451940] [<0000000020afed31>] ? retint_kernel+0x2d/0x2d [ 29.451948] [<00000000fb27aaff>] __vmalloc_node_range+0x25b/0x610 [ 29.451955] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 29.451961] [<0000000089c71673>] vmalloc+0x5c/0x70 [ 29.451969] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 29.451976] [<000000005622226c>] xt_alloc_table_info+0xc8/0x100 [ 29.451982] [<0000000044715080>] do_ipt_set_ctl+0x231/0x470 [ 29.451989] [<000000000fff8664>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 29.451995] [<000000005f8208ee>] ? mutex_unlock+0x9/0x10 [ 29.452003] [<00000000cad2eb02>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 29.452010] [<00000000a347b24d>] nf_setsockopt+0x6d/0xc0 [ 29.452016] [<000000004b1d24db>] ip_setsockopt+0x8a/0xa0 [ 29.452023] [<0000000051ed9dc0>] udp_setsockopt+0x4e/0x90 [ 29.452030] [<0000000090241c73>] ipv6_setsockopt+0xa4/0x140 [ 29.452037] [<000000001d4cdb02>] tcp_setsockopt+0x8a/0xe0 [ 29.452046] [<00000000444794c2>] sock_common_setsockopt+0x9a/0xe0 [ 29.452053] [<000000006d197f91>] SyS_setsockopt+0x159/0x240 [ 29.452060] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 29.452067] [<00000000b8e4c1ca>] ? __do_page_fault+0x545/0xa60 [ 29.452073] [<00000000ce78a1fc>] ? do_syscall_64+0x4a/0x5c0 [ 29.452080] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 29.452086] [<000000003e419c9f>] do_syscall_64+0x1ad/0x5c0 [ 29.452093] [<00000000259c6c8f>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 29.610940] oom_reaper: reaped process 2083 (syz-executor819), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 29.643379] syz-executor819 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 29.643389] CPU: 0 PID: 2090 Comm: syz-executor819 Tainted: G W 4.9.189+ #21 [ 29.643413] ffff8801ce07f6c0 ffffffff81b65c01 ffff8801ce07fa18 ffffffff833f14b0 [ 29.643424] 00000000000003e8 ffff8801ce07fa30 0000000000000000 ffff8801ce07f740 [ 29.643434] ffffffff81506abb 0000000000000000 00000000000003e8 ffffffff828284d5 [ 29.643436] Call Trace: [ 29.643455] [<000000007696e091>] dump_stack+0xc1/0x120 [ 29.643475] [<0000000085d1302b>] dump_header.isra.0+0x142/0x74c [ 29.643486] [<0000000059e01e2f>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 29.643494] [<00000000a0c755b0>] ? ___ratelimit+0x55/0x413 [ 29.643501] [<0000000095018045>] oom_kill_process.cold+0xd/0xa74 [ 29.643512] [<00000000dd955e44>] ? has_capability_noaudit+0x25/0x30 [ 29.643522] [<000000005e30ce63>] ? oom_badness.part.0+0x11d/0x600 [ 29.643530] [<00000000b34c806c>] ? oom_badness.part.0+0x12f/0x600 [ 29.643537] [<000000003a2d9452>] ? out_of_memory+0x6d3/0xea0 [ 29.643546] [<0000000081bb147f>] out_of_memory+0x29b/0xea0 [ 29.643561] [<00000000d48c5067>] ? out_of_memory+0x41c/0xea0 [ 29.643570] [<00000000bf417fe1>] ? oom_killer_disable+0x210/0x210 [ 29.643579] [<00000000a951652e>] ? trace_hardirqs_on+0xd/0x10 [ 29.643586] [<000000007105fd6e>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 29.643594] [<0000000091217eef>] __alloc_pages_nodemask+0x1730/0x1a80 [ 29.643602] [<000000006c0d062b>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 29.643610] [<0000000020afed31>] ? retint_kernel+0x2d/0x2d [ 29.643620] [<00000000fb27aaff>] __vmalloc_node_range+0x25b/0x610 [ 29.643631] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 29.643638] [<0000000089c71673>] vmalloc+0x5c/0x70 [ 29.643646] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 29.643654] [<000000005622226c>] xt_alloc_table_info+0xc8/0x100 [ 29.643662] [<0000000044715080>] do_ipt_set_ctl+0x231/0x470 [ 29.643670] [<000000000fff8664>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 29.643678] [<000000005f8208ee>] ? mutex_unlock+0x9/0x10 [ 29.643689] [<00000000cad2eb02>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 29.643697] [<00000000a347b24d>] nf_setsockopt+0x6d/0xc0 [ 29.643705] [<000000004b1d24db>] ip_setsockopt+0x8a/0xa0 [ 29.643715] [<0000000051ed9dc0>] udp_setsockopt+0x4e/0x90 [ 29.643724] [<0000000090241c73>] ipv6_setsockopt+0xa4/0x140 [ 29.643733] [<000000001d4cdb02>] tcp_setsockopt+0x8a/0xe0 [ 29.643745] [<00000000444794c2>] sock_common_setsockopt+0x9a/0xe0 [ 29.643753] [<000000006d197f91>] SyS_setsockopt+0x159/0x240 [ 29.643761] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 29.643770] [<00000000b8e4c1ca>] ? __do_page_fault+0x545/0xa60 [ 29.643778] [<00000000ce78a1fc>] ? do_syscall_64+0x4a/0x5c0 [ 29.643786] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 29.643792] [<000000003e419c9f>] do_syscall_64+0x1ad/0x5c0 [ 29.643801] [<00000000259c6c8f>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 29.643804] Mem-Info: [ 29.643823] active_anon:3259 inactive_anon:40 isolated_anon:0 [ 29.643823] active_file:20 inactive_file:22 isolated_file:0 [ 29.643823] unevictable:0 dirty:9 writeback:0 unstable:0 [ 29.643823] slab_reclaimable:4260 slab_unreclaimable:56785 [ 29.643823] mapped:34 shmem:48 pagetables:357 bounce:0 [ 29.643823] free:6056 free_pcp:0 free_cma:0 [ 29.643838] Node 0 active_anon:13036kB inactive_anon:160kB active_file:80kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:136kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 29.643857] DMA32 free:18716kB 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 [ 29.643885] Normal free:5508kB min:5580kB low:9168kB high:12756kB active_anon:13036kB inactive_anon:160kB active_file:80kB inactive_file:88kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:227140kB kernel_stack:3488kB pagetables:1428kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB executing program lowmem_reserve[]: 0 0 0 [ 29.643940] DMA32: 3*4kB (UM) 5*8kB (UM) 3*16kB (UM) 3*32kB (UM) 2*64kB (UM) 4*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18756kB Normal: 381*4kB (UM) 159*8kB (M) 74*16kB (M) 33*32kB (M) 8*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5548kB 117 total pagecache pages [ 29.643982] 0 pages in swap cache [ 29.643987] Swap cache stats: add 0, delete 0, find 0/0 [ 29.643989] Free swap = 0kB [ 29.643991] Total swap = 0kB [ 29.643993] 1965979 pages RAM [ 29.643995] 0 pages HighMem/MovableOnly [ 29.643997] 313625 pages reserved [ 29.644000] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name executing program [ 29.644014] [ 470] 0 470 5413 187 16 3 0 -1000 udevd [ 29.644030] [ 636] 0 636 5412 187 15 3 0 -1000 udevd [ 29.644040] [ 637] 0 637 5412 193 15 3 0 -1000 udevd [ 29.644049] [ 1789] 0 1789 2492 573 10 3 0 0 dhclient [ 29.644063] [ 1928] 0 1928 14264 109 24 3 0 0 rsyslogd [ 29.644072] [ 1983] 0 1983 4724 52 14 3 0 0 cron [ 29.644085] [ 1985] 0 1985 3735 45 11 3 0 0 mcstransd [ 29.644094] [ 2011] 0 2011 12489 153 27 3 0 -1000 sshd [ 29.644104] [ 2019] 0 2019 12926 1228 27 3 0 0 restorecond [ 29.644122] [ 2059] 0 2059 3648 38 13 3 0 0 getty [ 29.644243] [ 2062] 0 2062 3648 43 12 3 0 0 getty [ 29.644252] [ 2063] 0 2063 3648 42 13 3 0 0 getty [ 29.644307] [ 2064] 0 2064 3648 41 12 3 0 0 getty [ 29.644316] [ 2065] 0 2065 3648 42 13 3 0 0 getty [ 29.644329] [ 2066] 0 2066 3648 44 13 3 0 0 getty [ 29.644338] [ 2067] 0 2067 3648 43 13 3 0 0 getty [ 29.644347] [ 2078] 0 2078 17820 197 39 3 0 0 sshd [ 29.644357] [ 2080] 0 2080 4380 1 4 2 0 0 syz-executor819 [ 29.644366] [ 2081] 0 2081 4380 11 4 2 0 0 syz-executor819 [ 29.644375] [ 2082] 0 2082 4380 11 4 2 0 0 syz-executor819 [ 29.644384] [ 2083] 0 2083 4380 0 5 2 0 1000 syz-executor819 [ 29.644393] [ 2084] 0 2084 4380 11 4 2 0 0 syz-executor819 [ 29.644403] [ 2085] 0 2085 4380 11 4 2 0 0 syz-executor819 [ 29.644412] [ 2086] 0 2086 4380 11 4 2 0 0 syz-executor819 [ 29.644421] [ 2087] 0 2087 4380 11 4 2 0 0 syz-executor819 [ 29.644431] [ 2088] 0 2088 4380 11 5 2 0 1000 syz-executor819 [ 29.644440] [ 2089] 0 2089 4380 11 5 2 0 1000 syz-executor819 [ 29.644449] [ 2090] 0 2090 4380 11 5 2 0 1000 syz-executor819 [ 29.644459] [ 2091] 0 2091 4380 11 5 2 0 1000 syz-executor819 [ 29.644468] [ 2092] 0 2092 4380 11 5 2 0 1000 syz-executor819 [ 29.644474] Out of memory: Kill process 2088 (syz-executor819) score 999 or sacrifice child [ 29.644489] Killed process 2088 (syz-executor819) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 29.656315] syz-executor819: vmalloc: allocation failure, allocated 1202962432 of 3530403840 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 29.656324] CPU: 0 PID: 2088 Comm: syz-executor819 Tainted: G W 4.9.189+ #21 [ 29.656338] ffff8801ce0ff998 ffffffff81b65c01 1ffff10039c1ff35 dffffc0000000000 [ 29.656348] ffffffff82aab240 0000000000000000 0000000000400000 ffff8801ce0ffac0 [ 29.656359] ffffffff81507d73 0000000041b58ab3 ffffffff82e3b1e8 ffffffff81431920 [ 29.656361] Call Trace: [ 29.656375] [<000000007696e091>] dump_stack+0xc1/0x120 [ 29.656385] [<00000000e442e6b6>] warn_alloc.cold+0x76/0x93 [ 29.656393] [<000000006bea772e>] ? zone_watermark_ok_safe+0x260/0x260 [ 29.656402] [<0000000020afed31>] ? retint_kernel+0x2d/0x2d [ 29.656412] [<000000008f44f919>] __vmalloc_node_range+0x3ff/0x610 [ 29.656422] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 29.656429] [<0000000089c71673>] vmalloc+0x5c/0x70 [ 29.656437] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 29.656445] [<000000005622226c>] xt_alloc_table_info+0xc8/0x100 [ 29.656453] [<0000000044715080>] do_ipt_set_ctl+0x231/0x470 [ 29.656460] [<000000000fff8664>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 29.656467] [<000000005f8208ee>] ? mutex_unlock+0x9/0x10 [ 29.656478] [<00000000cad2eb02>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 29.656486] [<00000000a347b24d>] nf_setsockopt+0x6d/0xc0 [ 29.656493] [<000000004b1d24db>] ip_setsockopt+0x8a/0xa0 [ 29.656502] [<0000000051ed9dc0>] udp_setsockopt+0x4e/0x90 [ 29.656509] [<0000000090241c73>] ipv6_setsockopt+0xa4/0x140 [ 29.656517] [<000000001d4cdb02>] tcp_setsockopt+0x8a/0xe0 [ 29.656525] [<00000000444794c2>] sock_common_setsockopt+0x9a/0xe0 [ 29.656533] [<000000006d197f91>] SyS_setsockopt+0x159/0x240 [ 29.656541] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 29.656556] [<00000000b8e4c1ca>] ? __do_page_fault+0x545/0xa60 [ 29.656565] [<00000000ce78a1fc>] ? do_syscall_64+0x4a/0x5c0 [ 29.656572] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 29.656579] [<000000003e419c9f>] do_syscall_64+0x1ad/0x5c0 [ 29.656587] [<00000000259c6c8f>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 29.656590] Mem-Info: [ 29.656607] active_anon:3259 inactive_anon:40 isolated_anon:0 [ 29.656607] active_file:20 inactive_file:22 isolated_file:0 [ 29.656607] unevictable:0 dirty:9 writeback:0 unstable:0 [ 29.656607] slab_reclaimable:4260 slab_unreclaimable:56785 [ 29.656607] mapped:34 shmem:48 pagetables:357 bounce:0 [ 29.656607] free:21 free_pcp:0 free_cma:0 [ 29.656621] Node 0 active_anon:13036kB inactive_anon:160kB active_file:80kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:136kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 29.656638] DMA32 free:12kB 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 executing program lowmem_reserve[]: 0 3505 3505 [ 29.656663] Normal free:72kB min:5580kB low:9168kB high:12756kB active_anon:13036kB inactive_anon:160kB active_file:80kB inactive_file:88kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:227140kB kernel_stack:3488kB pagetables:1428kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 29.656699] 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 117 total pagecache pages [ 29.656730] 0 pages in swap cache [ 29.656734] Swap cache stats: add 0, delete 0, find 0/0 [ 29.656736] Free swap = 0kB [ 29.656738] Total swap = 0kB [ 29.656740] 1965979 pages RAM [ 29.656742] 0 pages HighMem/MovableOnly [ 29.656744] 313625 pages reserved [ 29.670924] oom_reaper: reaped process 2088 (syz-executor819), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program [ 29.671310] syz-executor819 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 29.671318] CPU: 1 PID: 2083 Comm: syz-executor819 Tainted: G W 4.9.189+ #21 [ 29.671332] ffff8801ce8b76c0 ffffffff81b65c01 ffff8801ce8b7a18 ffffffff833f14b0 [ 29.671343] 00000000000003e8 ffff8801ce8b7a30 0000000000000000 ffff8801ce8b7740 [ 29.671353] ffffffff81506abb 0000000000000000 00000000000003e8 ffffffff828284d5 [ 29.671355] Call Trace: [ 29.671367] [<000000007696e091>] dump_stack+0xc1/0x120 [ 29.671377] [<0000000085d1302b>] dump_header.isra.0+0x142/0x74c [ 29.671385] [<0000000059e01e2f>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 29.671395] [<00000000a0c755b0>] ? ___ratelimit+0x55/0x413 [ 29.671403] [<0000000095018045>] oom_kill_process.cold+0xd/0xa74 [ 29.671414] [<00000000dd955e44>] ? has_capability_noaudit+0x25/0x30 [ 29.671425] [<000000005e30ce63>] ? oom_badness.part.0+0x11d/0x600 [ 29.671433] [<00000000b34c806c>] ? oom_badness.part.0+0x12f/0x600 [ 29.671441] [<000000003a2d9452>] ? out_of_memory+0x6d3/0xea0 [ 29.671449] [<000000001f36514f>] ? smp_call_function_many+0x88/0x6c0 [ 29.671458] [<0000000081bb147f>] out_of_memory+0x29b/0xea0 [ 29.671465] [<00000000d48c5067>] ? out_of_memory+0x41c/0xea0 [ 29.671474] [<00000000bf417fe1>] ? oom_killer_disable+0x210/0x210 [ 29.671483] [<00000000a951652e>] ? trace_hardirqs_on+0xd/0x10 [ 29.671490] [<000000007105fd6e>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 29.671498] [<0000000091217eef>] __alloc_pages_nodemask+0x1730/0x1a80 [ 29.671505] [<00000000669c6c1c>] ? __switch_to_asm+0x35/0x70 [ 29.671513] [<000000006c0d062b>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 29.671523] [<00000000fb27aaff>] __vmalloc_node_range+0x25b/0x610 [ 29.671532] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 29.671539] [<0000000089c71673>] vmalloc+0x5c/0x70 [ 29.671547] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 29.671555] [<000000005622226c>] xt_alloc_table_info+0xc8/0x100 [ 29.671562] [<0000000044715080>] do_ipt_set_ctl+0x231/0x470 [ 29.671568] [<000000000fff8664>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 29.671575] [<000000005f8208ee>] ? mutex_unlock+0x9/0x10 [ 29.671584] [<00000000cad2eb02>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 executing program [ 29.671591] [<00000000a347b24d>] nf_setsockopt+0x6d/0xc0 [ 29.671600] [<000000004b1d24db>] ip_setsockopt+0x8a/0xa0 [ 29.671608] [<0000000051ed9dc0>] udp_setsockopt+0x4e/0x90 [ 29.671615] [<0000000090241c73>] ipv6_setsockopt+0xa4/0x140 [ 29.671623] [<000000001d4cdb02>] tcp_setsockopt+0x8a/0xe0 [ 29.671632] [<00000000444794c2>] sock_common_setsockopt+0x9a/0xe0 [ 29.671640] [<000000006d197f91>] SyS_setsockopt+0x159/0x240 [ 29.671648] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 29.671657] [<00000000b8e4c1ca>] ? __do_page_fault+0x545/0xa60 [ 29.671664] [<00000000ce78a1fc>] ? do_syscall_64+0x4a/0x5c0 [ 29.671672] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 29.671679] [<000000003e419c9f>] do_syscall_64+0x1ad/0x5c0 [ 29.671688] [<00000000259c6c8f>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program [ 29.671691] Mem-Info: [ 29.671708] active_anon:3259 inactive_anon:40 isolated_anon:0 [ 29.671708] active_file:20 inactive_file:22 isolated_file:0 [ 29.671708] unevictable:0 dirty:9 writeback:0 unstable:0 [ 29.671708] slab_reclaimable:4260 slab_unreclaimable:56785 [ 29.671708] mapped:34 shmem:48 pagetables:357 bounce:0 [ 29.671708] free:21 free_pcp:0 free_cma:0 [ 29.671722] Node 0 active_anon:13036kB inactive_anon:160kB active_file:80kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:136kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 29.671740] DMA32 free:12kB 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 [ 29.671877] Normal free:72kB min:5580kB low:9168kB high:12756kB active_anon:13036kB inactive_anon:160kB active_file:80kB inactive_file:88kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:227140kB kernel_stack:3488kB pagetables:1428kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 29.671897] 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: 7*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 28kB 117 total pagecache pages [ 29.671916] 0 pages in swap cache [ 29.671918] Swap cache stats: add 0, delete 0, find 0/0 [ 29.671919] Free swap = 0kB [ 29.671920] Total swap = 0kB [ 29.671922] 1965979 pages RAM [ 29.671923] 0 pages HighMem/MovableOnly [ 29.671924] 313625 pages reserved [ 29.671930] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 29.671941] [ 470] 0 470 5413 187 16 3 0 -1000 udevd [ 29.671947] [ 636] 0 636 5412 187 15 3 0 -1000 udevd [ 29.671952] [ 637] 0 637 5412 193 15 3 0 -1000 udevd [ 29.671957] [ 1789] 0 1789 2492 573 10 3 0 0 dhclient [ 29.671962] [ 1928] 0 1928 14264 109 24 3 0 0 rsyslogd [ 29.671967] [ 1983] 0 1983 4724 52 14 3 0 0 cron [ 29.671972] [ 1985] 0 1985 3735 45 11 3 0 0 mcstransd [ 29.671977] [ 2011] 0 2011 12489 153 27 3 0 -1000 sshd [ 29.671986] [ 2019] 0 2019 12926 1228 27 3 0 0 restorecond [ 29.671992] [ 2059] 0 2059 3648 38 13 3 0 0 getty [ 29.671997] [ 2062] 0 2062 3648 43 12 3 0 0 getty [ 29.672002] [ 2063] 0 2063 3648 42 13 3 0 0 getty [ 29.672007] [ 2064] 0 2064 3648 41 12 3 0 0 getty [ 29.672012] [ 2065] 0 2065 3648 42 13 3 0 0 getty [ 29.672020] [ 2066] 0 2066 3648 44 13 3 0 0 getty [ 29.672025] [ 2067] 0 2067 3648 43 13 3 0 0 getty [ 29.672030] [ 2078] 0 2078 17820 197 39 3 0 0 sshd [ 29.672035] [ 2080] 0 2080 4380 1 4 2 0 0 syz-executor819 [ 29.672040] [ 2081] 0 2081 4380 11 4 2 0 0 syz-executor819 [ 29.672045] [ 2082] 0 2082 4380 11 4 2 0 0 syz-executor819 [ 29.672050] [ 2083] 0 2083 4380 0 5 2 0 1000 syz-executor819 [ 29.672055] [ 2084] 0 2084 4380 11 4 2 0 0 syz-executor819 [ 29.672060] [ 2085] 0 2085 4380 11 4 2 0 0 syz-executor819 [ 29.672065] [ 2086] 0 2086 4380 11 4 2 0 0 syz-executor819 [ 29.672070] [ 2087] 0 2087 4380 11 4 2 0 0 syz-executor819 [ 29.672075] [ 2088] 0 2088 4380 0 5 2 0 1000 syz-executor819 [ 29.672080] [ 2089] 0 2089 4380 11 5 2 0 1000 syz-executor819 [ 29.672085] [ 2090] 0 2090 4380 11 5 2 0 1000 syz-executor819 [ 29.672090] [ 2091] 0 2091 4380 11 5 2 0 1000 syz-executor819 [ 29.672095] [ 2092] 0 2092 4380 11 5 2 0 1000 syz-executor819 [ 29.672099] Out of memory: Kill process 2089 (syz-executor819) score 999 or sacrifice child executing program [ 29.672120] Killed process 2089 (syz-executor819) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 29.672217] oom_reaper: reaped process 2089 (syz-executor819), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 29.672264] syz-executor819: vmalloc: allocation failure, allocated 1200578560 of 3530403840 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 29.672269] CPU: 1 PID: 2083 Comm: syz-executor819 Tainted: G W 4.9.189+ #21 [ 29.672277] ffff8801ce8b7998 ffffffff81b65c01 1ffff10039d16f35 dffffc0000000000 [ 29.672282] ffffffff82aab240 0000000000000000 0000000000400000 ffff8801ce8b7ac0 [ 29.672288] ffffffff81507d73 0000000041b58ab3 ffffffff82e3b1e8 ffffffff81431920 [ 29.672289] Call Trace: [ 29.672300] [<000000007696e091>] dump_stack+0xc1/0x120 [ 29.672306] [<00000000e442e6b6>] warn_alloc.cold+0x76/0x93 [ 29.672310] [<000000006bea772e>] ? zone_watermark_ok_safe+0x260/0x260 [ 29.672315] [<000000008f44f919>] __vmalloc_node_range+0x3ff/0x610 [ 29.672320] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 29.672324] [<0000000089c71673>] vmalloc+0x5c/0x70 [ 29.672328] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 29.672333] [<000000005622226c>] xt_alloc_table_info+0xc8/0x100 [ 29.672337] [<0000000044715080>] do_ipt_set_ctl+0x231/0x470 [ 29.672341] [<000000000fff8664>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 29.672345] [<000000005f8208ee>] ? mutex_unlock+0x9/0x10 [ 29.672351] [<00000000cad2eb02>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 29.672355] [<00000000a347b24d>] nf_setsockopt+0x6d/0xc0 [ 29.672359] [<000000004b1d24db>] ip_setsockopt+0x8a/0xa0 [ 29.672364] [<0000000051ed9dc0>] udp_setsockopt+0x4e/0x90 [ 29.672368] [<0000000090241c73>] ipv6_setsockopt+0xa4/0x140 [ 29.672372] [<000000001d4cdb02>] tcp_setsockopt+0x8a/0xe0 [ 29.672377] [<00000000444794c2>] sock_common_setsockopt+0x9a/0xe0 [ 29.672381] [<000000006d197f91>] SyS_setsockopt+0x159/0x240 [ 29.672389] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 29.672394] [<00000000b8e4c1ca>] ? __do_page_fault+0x545/0xa60 executing program [ 29.672398] [<00000000ce78a1fc>] ? do_syscall_64+0x4a/0x5c0 [ 29.672402] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 29.672405] [<000000003e419c9f>] do_syscall_64+0x1ad/0x5c0 [ 29.672410] [<00000000259c6c8f>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 29.672412] Mem-Info: [ 29.672421] active_anon:3259 inactive_anon:40 isolated_anon:0 [ 29.672421] active_file:20 inactive_file:22 isolated_file:0 [ 29.672421] unevictable:0 dirty:9 writeback:0 unstable:0 [ 29.672421] slab_reclaimable:4260 slab_unreclaimable:56785 [ 29.672421] mapped:34 shmem:48 pagetables:357 bounce:0 [ 29.672421] free:21 free_pcp:7 free_cma:0 executing program [ 29.672429] Node 0 active_anon:13036kB inactive_anon:160kB active_file:80kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:136kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 29.672439] DMA32 free:12kB 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 [ 29.672453] Normal free:72kB min:5580kB low:9168kB high:12756kB active_anon:13036kB inactive_anon:160kB active_file:80kB inactive_file:88kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:227140kB kernel_stack:3488kB pagetables:1428kB bounce:0kB free_pcp:28kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 29.672472] 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 117 total pagecache pages [ 29.672489] 0 pages in swap cache [ 29.672491] Swap cache stats: add 0, delete 0, find 0/0 [ 29.672496] Free swap = 0kB [ 29.672497] Total swap = 0kB [ 29.672498] 1965979 pages RAM [ 29.672499] 0 pages HighMem/MovableOnly [ 29.672501] 313625 pages reserved [ 29.694003] syz-executor819: vmalloc: allocation failure, allocated 1033555968 of 3530403840 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 29.694012] CPU: 1 PID: 2089 Comm: syz-executor819 Tainted: G W 4.9.189+ #21 [ 29.694028] ffff8801ce077998 ffffffff81b65c01 1ffff10039c0ef35 dffffc0000000000 [ 29.694039] ffffffff82aab240 0000000000000000 0000000000400000 ffff8801ce077ac0 [ 29.694049] ffffffff81507d73 0000000041b58ab3 ffffffff82e3b1e8 ffffffff81431920 [ 29.694051] Call Trace: [ 29.694068] [<000000007696e091>] dump_stack+0xc1/0x120 [ 29.694080] [<00000000e442e6b6>] warn_alloc.cold+0x76/0x93 [ 29.694089] [<000000006bea772e>] ? zone_watermark_ok_safe+0x260/0x260 [ 29.694099] [<000000008f44f919>] __vmalloc_node_range+0x3ff/0x610 [ 29.694109] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 29.694117] [<0000000089c71673>] vmalloc+0x5c/0x70 ** 30 printk messages dropped ** [ 29.694440] Swap cache stats: add 0, delete 0, find 0/0 ** 61 printk messages dropped ** [ 31.294499] syz-executor819: vmalloc: allocation failure, allocated 1115742208 of 3530403840 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 31.294508] CPU: 0 PID: 2090 Comm: syz-executor819 Tainted: G W 4.9.189+ #21 ** 140 printk messages dropped ** [ 31.699980] [ 2096] 0 2096 4380 11 5 2 0 1000 syz-executor819 [ 31.699985] Out of memory: Kill process 2092 (syz-executor819) score 999 or sacrifice child [ 31.700011] Killed process 2092 (syz-executor819) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 31.706184] syz-executor819: vmalloc: allocation failure, allocated 894074880 of 3530403840 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 31.706192] CPU: 0 PID: 2091 Comm: syz-executor819 Tainted: G W 4.9.189+ #21 [ 31.706206] ffff8801c4047998 ffffffff81b65c01 1ffff10038808f35 dffffc0000000000 [ 31.706216] ffffffff82aab240 0000000000000000 0000000000400000 ffff8801c4047ac0 [ 31.706226] ffffffff81507d73 0000000041b58ab3 ffffffff82e3b1e8 ffffffff81431920 [ 31.706228] Call Trace: [ 31.706239] [<000000007696e091>] dump_stack+0xc1/0x120 [ 31.706248] [<00000000e442e6b6>] warn_alloc.cold+0x76/0x93 [ 31.706255] [<000000006bea772e>] ? zone_watermark_ok_safe+0x260/0x260 [ 31.706264] [<000000008f44f919>] __vmalloc_node_range+0x3ff/0x610 [ 31.706273] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 31.706281] [<0000000089c71673>] vmalloc+0x5c/0x70 executing program [ 31.706288] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 31.706296] [<000000005622226c>] xt_alloc_table_info+0xc8/0x100 [ 31.706304] [<0000000044715080>] do_ipt_set_ctl+0x231/0x470 [ 31.706311] [<000000000fff8664>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 31.706319] [<000000005f8208ee>] ? mutex_unlock+0x9/0x10 [ 31.706329] [<00000000cad2eb02>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 31.706337] [<00000000a347b24d>] nf_setsockopt+0x6d/0xc0 [ 31.706344] [<000000004b1d24db>] ip_setsockopt+0x8a/0xa0 [ 31.706353] [<0000000051ed9dc0>] udp_setsockopt+0x4e/0x90 [ 31.706360] [<0000000090241c73>] ipv6_setsockopt+0xa4/0x140 [ 31.706368] [<000000001d4cdb02>] tcp_setsockopt+0x8a/0xe0 [ 31.706377] [<00000000444794c2>] sock_common_setsockopt+0x9a/0xe0 [ 31.706385] [<000000006d197f91>] SyS_setsockopt+0x159/0x240 [ 31.706392] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 31.706400] [<00000000b8e4c1ca>] ? __do_page_fault+0x545/0xa60 [ 31.706407] [<00000000ce78a1fc>] ? do_syscall_64+0x4a/0x5c0 [ 31.706414] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 31.706421] [<000000003e419c9f>] do_syscall_64+0x1ad/0x5c0 [ 31.706429] [<00000000259c6c8f>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 31.706432] Mem-Info: [ 31.706448] active_anon:3254 inactive_anon:40 isolated_anon:0 [ 31.706448] active_file:14 inactive_file:17 isolated_file:0 [ 31.706448] unevictable:0 dirty:0 writeback:0 unstable:0 [ 31.706448] slab_reclaimable:4261 slab_unreclaimable:56461 [ 31.706448] mapped:47 shmem:48 pagetables:357 bounce:0 [ 31.706448] free:15 free_pcp:0 free_cma:0 ** 172 printk messages dropped ** [ 32.315554] 92 total pagecache pages [ 32.315557] 0 pages in swap cache [ 32.315561] Swap cache stats: add 0, delete 0, find 0/0 executing program [ 32.315563] Free swap = 0kB [ 32.315564] Total swap = 0kB [ 32.315567] 1965979 pages RAM [ 32.315569] 0 pages HighMem/MovableOnly [ 32.315570] 313625 pages reserved [ 32.315573] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 32.315585] [ 470] 0 470 5413 187 16 3 0 -1000 udevd [ 32.315595] [ 636] 0 636 5412 187 15 3 0 -1000 udevd [ 32.315604] [ 637] 0 637 5412 193 15 3 0 -1000 udevd [ 32.315613] [ 1789] 0 1789 2492 573 10 3 0 0 dhclient [ 32.315622] [ 1928] 0 1928 14264 109 24 3 0 0 rsyslogd [ 32.315636] [ 1983] 0 1983 4724 52 14 3 0 0 cron executing program [ 32.315695] [ 1985] 0 1985 3735 45 11 3 0 0 mcstransd [ 32.315704] [ 2011] 0 2011 12489 153 27 3 0 -1000 sshd [ 32.315713] [ 2019] 0 2019 12926 1228 27 3 0 0 restorecond [ 32.315722] [ 2059] 0 2059 3648 38 13 3 0 0 getty [ 32.315731] [ 2062] 0 2062 3648 42 12 3 0 0 getty [ 32.315739] [ 2064] 0 2064 3648 40 12 3 0 0 getty [ 32.315748] [ 2065] 0 2065 3648 41 13 3 0 0 getty [ 32.315756] [ 2066] 0 2066 3648 43 13 3 0 0 getty [ 32.315764] [ 2067] 0 2067 3648 42 13 3 0 0 getty [ 32.315773] [ 2078] 0 2078 17820 198 39 3 0 0 sshd [ 32.315782] [ 2080] 0 2080 4380 1 4 2 0 0 syz-executor819 [ 32.315791] [ 2081] 0 2081 4380 11 4 2 0 0 syz-executor819 [ 32.315800] [ 2082] 0 2082 4380 11 4 2 0 0 syz-executor819 [ 32.315809] [ 2084] 0 2084 4380 11 4 2 0 0 syz-executor819 [ 32.315817] [ 2085] 0 2085 4380 11 4 2 0 0 syz-executor819 [ 32.315826] [ 2086] 0 2086 4380 11 4 2 0 0 syz-executor819 [ 32.315835] [ 2087] 0 2087 4380 11 4 2 0 0 syz-executor819 [ 32.315844] [ 2094] 0 2094 4380 0 5 2 0 1000 syz-executor819 [ 32.315852] [ 2095] 0 2095 4380 11 5 2 0 1000 syz-executor819 [ 32.315861] [ 2096] 0 2096 4380 11 5 2 0 1000 syz-executor819 [ 32.315870] [ 2097] 0 2097 4380 11 5 2 0 1000 syz-executor819 [ 32.315879] [ 2098] 0 2098 4380 11 5 2 0 1000 syz-executor819 [ 32.315885] Out of memory: Kill process 2095 (syz-executor819) score 999 or sacrifice child [ 32.315898] Killed process 2095 (syz-executor819) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 32.316000] oom_reaper: reaped process 2095 (syz-executor819), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 32.325897] syz-executor819: vmalloc: allocation failure, allocated 3221815296 of 3530403840 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) executing program [ 32.325905] CPU: 1 PID: 2095 Comm: syz-executor819 Tainted: G W 4.9.189+ #21 [ 32.325917] ffff8801ce077998 ffffffff81b65c01 1ffff10039c0ef35 dffffc0000000000 [ 32.325927] ffffffff82aab240 0000000000000000 0000000000400000 ffff8801ce077ac0 [ 32.325937] ffffffff81507d73 0000000041b58ab3 ffffffff82e3b1e8 ffffffff81431920 [ 32.325939] Call Trace: [ 32.325949] [<000000007696e091>] dump_stack+0xc1/0x120 [ 32.325957] [<00000000e442e6b6>] warn_alloc.cold+0x76/0x93 [ 32.325965] [<000000006bea772e>] ? zone_watermark_ok_safe+0x260/0x260 [ 32.325972] [<0000000020afed31>] ? retint_kernel+0x2d/0x2d [ 32.325980] [<000000008f44f919>] __vmalloc_node_range+0x3ff/0x610 [ 32.325989] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 32.325996] [<0000000089c71673>] vmalloc+0x5c/0x70 [ 32.326004] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 32.326012] [<000000005622226c>] xt_alloc_table_info+0xc8/0x100 [ 32.326019] [<0000000044715080>] do_ipt_set_ctl+0x231/0x470 [ 32.326026] [<000000000fff8664>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 32.326045] [<000000005f8208ee>] ? mutex_unlock+0x9/0x10 [ 32.326066] [<00000000cad2eb02>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 32.326074] [<00000000a347b24d>] nf_setsockopt+0x6d/0xc0 ** 122 printk messages dropped ** [ 32.386782] oom_reaper: reaped process 2096 (syz-executor819), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB ** 143 printk messages dropped ** [ 33.232067] lowmemorykiller: Killing 'syz-executor819' (2098) (tgid 2098), adj 1000, [ 33.232067] to free 44kB on behalf of 'syz-executor819' (2087) because [ 33.232067] cache 176kB is below limit 6144kB for oom_score_adj 0 [ 33.232067] Free memory is -13688kB above reserved ** 56 printk messages dropped ** [ 33.245519] [<000000007696e091>] dump_stack+0xc1/0x120 [ 33.245528] [<00000000e442e6b6>] warn_alloc.cold+0x76/0x93 [ 33.245537] [<000000006bea772e>] ? zone_watermark_ok_safe+0x260/0x260 [ 33.245546] [<0000000020afed31>] ? retint_kernel+0x2d/0x2d executing program [ 33.245555] [<000000008f44f919>] __vmalloc_node_range+0x3ff/0x610 [ 33.245565] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 33.245572] [<0000000089c71673>] vmalloc+0x5c/0x70 [ 33.245580] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 33.245588] [<000000005622226c>] xt_alloc_table_info+0xc8/0x100 [ 33.245596] [<0000000044715080>] do_ipt_set_ctl+0x231/0x470 [ 33.245604] [<000000000fff8664>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 33.245611] [<000000005f8208ee>] ? mutex_unlock+0x9/0x10 [ 33.245621] [<00000000cad2eb02>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 33.245629] [<00000000a347b24d>] nf_setsockopt+0x6d/0xc0 [ 33.245637] [<000000004b1d24db>] ip_setsockopt+0x8a/0xa0 [ 33.245646] [<0000000051ed9dc0>] udp_setsockopt+0x4e/0x90 [ 33.245654] [<0000000090241c73>] ipv6_setsockopt+0xa4/0x140 [ 33.245662] [<000000001d4cdb02>] tcp_setsockopt+0x8a/0xe0 [ 33.245671] [<00000000444794c2>] sock_common_setsockopt+0x9a/0xe0 [ 33.245680] [<000000006d197f91>] SyS_setsockopt+0x159/0x240 [ 33.245687] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 33.245695] [<00000000b8e4c1ca>] ? __do_page_fault+0x545/0xa60 [ 33.245703] [<00000000d3c1f08a>] ? bad_area_access_error+0x3d0/0x3d0 [ 33.245711] [<000000005b9082ec>] ? SyS_recv+0x40/0x40 [ 33.245718] [<000000003e419c9f>] do_syscall_64+0x1ad/0x5c0 [ 33.245726] [<00000000259c6c8f>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 33.245730] Mem-Info: [ 33.245738] CPU: 0 PID: 2096 Comm: syz-executor819 Tainted: G W 4.9.189+ #21 [ 33.245754] active_anon:3206 inactive_anon:40 isolated_anon:0 [ 33.245754] active_file:0 inactive_file:44 isolated_file:0 [ 33.245754] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.245754] slab_reclaimable:4266 slab_unreclaimable:56480 [ 33.245754] mapped:13 shmem:48 pagetables:339 bounce:0 [ 33.245754] free:2 free_pcp:0 free_cma:0 executing program [ 33.245767] ffff8801ce8b7998 [ 33.245768] Node 0 active_anon:12824kB inactive_anon:160kB active_file:0kB inactive_file:176kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 33.245788] ffffffff81b65c01DMA32 free:8kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:0kB inactive_file:84kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:20kB slab_unreclaimable:52kB kernel_stack:32kB pagetables:20kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 1ffff10039d16f35lowmem_reserve[]: [ 33.245796] dffffc0000000000 0 3505 3505 ffffffff82aab240 executing program [ 33.245827] 0000000000000000Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12796kB inactive_anon:160kB active_file:0kB inactive_file:92kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17044kB slab_unreclaimable:225868kB kernel_stack:3360kB pagetables:1336kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 0000000000400000lowmem_reserve[]: [ 33.245835] ffff8801ce8b7ac0 0 0 ffffffff81507d73 [ 33.245843] 0 0000000041b58ab3 ffffffff82e3b1e8DMA32: ffffffff814319200*4kB 0*8kB Call Trace: [ 33.245867] 0*16kB [<000000007696e091>] dump_stack+0xc1/0x120 [ 33.245876] 0*32kB [<00000000e442e6b6>] warn_alloc.cold+0x76/0x93 [ 33.245884] [<000000006bea772e>] ? zone_watermark_ok_safe+0x260/0x260 [ 33.245893] 0*64kB [<0000000045165fcc>] ? ___might_sleep+0x1b1/0x280 [ 33.245901] [<000000008f44f919>] __vmalloc_node_range+0x3ff/0x610 [ 33.245909] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 33.245916] [<0000000089c71673>] vmalloc+0x5c/0x70 [ 33.245924] [<000000005622226c>] ? xt_alloc_table_info+0xc8/0x100 [ 33.245940] [<000000005622226c>] xt_alloc_table_info+0xc8/0x100 [ 33.245948] [<0000000044715080>] do_ipt_set_ctl+0x231/0x470 [ 33.245958] [<000000000fff8664>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 33.245964] [<000000005f8208ee>] ? mutex_unlock+0x9/0x10