====================================================== [ INFO: possible circular locking dependency detected ] 4.4.174+ #4 Not tainted ------------------------------------------------------- syz-executor.1/31375 is trying to acquire lock: (_xmit_NETROM){+.-...}, at: [] spin_lock include/linux/spinlock.h:302 [inline] (_xmit_NETROM){+.-...}, at: [] __netif_tx_lock include/linux/netdevice.h:3306 [inline] (_xmit_NETROM){+.-...}, at: [] sch_direct_xmit+0x238/0x700 net/sched/sch_generic.c:163 but task is already holding lock: (&(&q->lock)->rlock){+.-...}, at: [] spin_lock include/linux/spinlock.h:302 [inline] (&(&q->lock)->rlock){+.-...}, at: [] ipv6_frag_rcv+0x6cc/0x51e0 net/ipv6/reassembly.c:528 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: [] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592 [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:112 [inline] [] _raw_spin_lock_irqsave+0x50/0x70 kernel/locking/spinlock.c:159 [] lock_hrtimer_base.isra.0+0x75/0x130 kernel/time/hrtimer.c:152 [] hrtimer_start_range_ns+0xc6/0x1450 kernel/time/hrtimer.c:996 [] hrtimer_start_expires include/linux/hrtimer.h:407 [inline] [] common_timer_set+0x380/0x560 kernel/time/posix-timers.c:889 [] SYSC_timer_settime kernel/time/posix-timers.c:923 [inline] [] SyS_timer_settime+0x1d7/0x3a0 kernel/time/posix-timers.c:894 [] entry_SYSCALL_64_fastpath+0x1e/0x9a [] check_prev_add kernel/locking/lockdep.c:1853 [inline] [] check_prevs_add kernel/locking/lockdep.c:1958 [inline] [] validate_chain kernel/locking/lockdep.c:2144 [inline] [] __lock_acquire+0x37d6/0x4f50 kernel/locking/lockdep.c:3213 [] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592 [] __raw_spin_lock include/linux/spinlock_api_smp.h:144 [inline] [] _raw_spin_lock+0x38/0x50 kernel/locking/spinlock.c:151 [] spin_lock include/linux/spinlock.h:302 [inline] [] __netif_tx_lock include/linux/netdevice.h:3306 [inline] [] sch_direct_xmit+0x238/0x700 net/sched/sch_generic.c:163 [] __dev_xmit_skb net/core/dev.c:2979 [inline] [] __dev_queue_xmit+0xd24/0x1bb0 net/core/dev.c:3197 [] dev_queue_xmit+0x18/0x20 net/core/dev.c:3263 [] neigh_resolve_output+0x4a0/0x7a0 net/core/neighbour.c:1329 [] dst_neigh_output include/net/dst.h:461 [inline] [] ip6_finish_output2+0x9c7/0x1dc0 net/ipv6/ip6_output.c:113 [] ip6_finish_output+0x2f3/0x750 net/ipv6/ip6_output.c:131 [] NF_HOOK_COND include/linux/netfilter.h:240 [inline] [] ip6_output+0x1b4/0x520 net/ipv6/ip6_output.c:145 [] dst_output include/net/dst.h:498 [inline] [] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline] [] NF_HOOK include/linux/netfilter.h:249 [inline] [] ndisc_send_skb+0x98d/0x1110 net/ipv6/ndisc.c:471 [] ndisc_send_ns+0x4bf/0x6b0 net/ipv6/ndisc.c:595 [] ndisc_solicit+0x2b2/0x440 net/ipv6/ndisc.c:686 [] neigh_probe+0xc8/0x100 net/core/neighbour.c:871 [] __neigh_event_send+0x2ab/0xc50 net/core/neighbour.c:1027 [] neigh_event_send include/net/neighbour.h:431 [inline] [] neigh_resolve_output+0x5ec/0x7a0 net/core/neighbour.c:1313 [] dst_neigh_output include/net/dst.h:461 [inline] [] ip6_finish_output2+0x9c7/0x1dc0 net/ipv6/ip6_output.c:113 [] ip6_finish_output+0x2f3/0x750 net/ipv6/ip6_output.c:131 [] NF_HOOK_COND include/linux/netfilter.h:240 [inline] [] ip6_output+0x1b4/0x520 net/ipv6/ip6_output.c:145 [] dst_output include/net/dst.h:498 [inline] [] ip6_local_out+0x9c/0x180 net/ipv6/output_core.c:169 [] ip6_send_skb+0xa2/0x340 net/ipv6/ip6_output.c:1725 [] ip6_push_pending_frames+0xbb/0xe0 net/ipv6/ip6_output.c:1745 [] icmpv6_push_pending_frames+0x336/0x530 net/ipv6/icmp.c:276 [] icmp6_send+0x1506/0x1b40 net/ipv6/icmp.c:537 [] icmpv6_param_prob+0x29/0x40 net/ipv6/icmp.c:551 [] ip6_frag_queue net/ipv6/reassembly.c:190 [inline] [] ipv6_frag_rcv+0x3ce5/0x51e0 net/ipv6/reassembly.c:531 [] ip6_input_finish+0x57d/0x14f0 net/ipv6/ip6_input.c:248 [] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline] [] NF_HOOK include/linux/netfilter.h:249 [inline] [] ip6_input+0xf8/0x1f0 net/ipv6/ip6_input.c:280 [] dst_input include/net/dst.h:504 [inline] [] ip6_rcv_finish+0x14d/0x670 net/ipv6/ip6_input.c:62 [] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline] [] ipv6_defrag+0x331/0x5d0 net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:78 [] nf_iterate+0x186/0x220 net/netfilter/core.c:274 [] nf_hook_slow+0x1b6/0x340 net/netfilter/core.c:306 [] nf_hook_thresh include/linux/netfilter.h:187 [inline] [] NF_HOOK_THRESH include/linux/netfilter.h:224 [inline] [] NF_HOOK include/linux/netfilter.h:249 [inline] [] ipv6_rcv+0x13eb/0x1a20 net/ipv6/ip6_input.c:186 [] __netif_receive_skb_core+0x1300/0x2950 net/core/dev.c:4041 [] __netif_receive_skb+0x58/0x1c0 net/core/dev.c:4076 [] process_backlog+0x200/0x630 net/core/dev.c:4673 [] napi_poll net/core/dev.c:4911 [inline] [] net_rx_action+0x367/0xd30 net/core/dev.c:4976 [] __do_softirq+0x226/0xa3f kernel/softirq.c:273 [] do_softirq_own_stack+0x1c/0x30 arch/x86/entry/entry_64.S:956 [] do_softirq.part.0+0x54/0x60 kernel/softirq.c:317 [] do_softirq+0x18/0x20 kernel/softirq.c:305 [] netif_rx_ni+0xeb/0x3b0 net/core/dev.c:3675 [] tun_get_user+0xdbf/0x2640 drivers/net/tun.c:1264 [] tun_chr_write_iter+0xda/0x190 drivers/net/tun.c:1283 [] do_iter_readv_writev+0x141/0x1e0 fs/read_write.c:666 [] do_readv_writev+0x387/0x6e0 fs/read_write.c:810 [] vfs_writev+0x7d/0xb0 fs/read_write.c:849 [] SYSC_writev fs/read_write.c:882 [inline] [] SyS_writev+0xdc/0x260 fs/read_write.c:874 [] entry_SYSCALL_64_fastpath+0x1e/0x9a other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&q->lock)->rlock); lock(_xmit_NETROM); lock(&(&q->lock)->rlock); lock(_xmit_NETROM); *** DEADLOCK *** 10 locks held by syz-executor.1/31375: #0: (rcu_read_lock){......}, at: [] __skb_unlink include/linux/skbuff.h:1648 [inline] #0: (rcu_read_lock){......}, at: [] __skb_dequeue include/linux/skbuff.h:1664 [inline] #0: (rcu_read_lock){......}, at: [] process_backlog+0x19c/0x630 net/core/dev.c:4670 #1: (rcu_read_lock){......}, at: [] nf_hook_slow+0x0/0x340 net/netfilter/core.c:267 #2: (rcu_read_lock){......}, at: [] ip6_input_finish+0x0/0x14f0 net/ipv6/ip6_input.c:55 #3: (&(&q->lock)->rlock){+.-...}, at: [] spin_lock include/linux/spinlock.h:302 [inline] #3: (&(&q->lock)->rlock){+.-...}, at: [] ipv6_frag_rcv+0x6cc/0x51e0 net/ipv6/reassembly.c:528 #4: (slock-AF_INET6){+.-...}, at: [] spin_trylock include/linux/spinlock.h:312 [inline] #4: (slock-AF_INET6){+.-...}, at: [] icmpv6_xmit_lock net/ipv6/icmp.c:120 [inline] #4: (slock-AF_INET6){+.-...}, at: [] icmp6_send+0x7bd/0x1b40 net/ipv6/icmp.c:485 #5: (rcu_read_lock){......}, at: [] icmp6_send+0xf44/0x1b40 net/ipv6/icmp.c:517 #6: (rcu_read_lock_bh){......}, at: [] ip6_finish_output2+0x1e1/0x1dc0 net/ipv6/ip6_output.c:71 #7: (rcu_read_lock){......}, at: [] ip6_nd_hdr net/ipv6/ndisc.c:427 [inline] #7: (rcu_read_lock){......}, at: [] ndisc_send_skb+0x779/0x1110 net/ipv6/ndisc.c:465 #8: (rcu_read_lock_bh){......}, at: [] ip6_finish_output2+0x1e1/0x1dc0 net/ipv6/ip6_output.c:71 #9: (rcu_read_lock_bh){......}, at: [] __dev_queue_xmit+0x1d7/0x1bb0 net/core/dev.c:3161 stack backtrace: CPU: 1 PID: 31375 Comm: syz-executor.1 Not tainted 4.4.174+ #4 0000000000000000 ea5b89b9d07720da ffff8801db7062b0 ffffffff81aad1a1 ffffffff84057a80 ffff8800b2cdc740 ffffffff83ad51c0 ffffffff83ad71d0 ffffffff83ad51c0 ffff8801db706300 ffffffff813abcda ffff8801db7063e0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] print_circular_bug.cold+0x2f7/0x44e kernel/locking/lockdep.c:1226 [] check_prev_add kernel/locking/lockdep.c:1853 [inline] [] check_prevs_add kernel/locking/lockdep.c:1958 [inline] [] validate_chain kernel/locking/lockdep.c:2144 [inline] [] __lock_acquire+0x37d6/0x4f50 kernel/locking/lockdep.c:3213 [] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592 [] __raw_spin_lock include/linux/spinlock_api_smp.h:144 [inline] [] _raw_spin_lock+0x38/0x50 kernel/locking/spinlock.c:151 [] spin_lock include/linux/spinlock.h:302 [inline] [] __netif_tx_lock include/linux/netdevice.h:3306 [inline] [] sch_direct_xmit+0x238/0x700 net/sched/sch_generic.c:163 [] __dev_xmit_skb net/core/dev.c:2979 [inline] [] __dev_queue_xmit+0xd24/0x1bb0 net/core/dev.c:3197 [] dev_queue_xmit+0x18/0x20 net/core/dev.c:3263 [] neigh_resolve_output+0x4a0/0x7a0 net/core/neighbour.c:1329 [] dst_neigh_output include/net/dst.h:461 [inline] [] ip6_finish_output2+0x9c7/0x1dc0 net/ipv6/ip6_output.c:113 [] ip6_finish_output+0x2f3/0x750 net/ipv6/ip6_output.c:131 [] NF_HOOK_COND include/linux/netfilter.h:240 [inline] [] ip6_output+0x1b4/0x520 net/ipv6/ip6_output.c:145 [] dst_output include/net/dst.h:498 [inline] [] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline] [] NF_HOOK include/linux/netfilter.h:249 [inline] [] ndisc_send_skb+0x98d/0x1110 net/ipv6/ndisc.c:471 [] ndisc_send_ns+0x4bf/0x6b0 net/ipv6/ndisc.c:595 [] ndisc_solicit+0x2b2/0x440 net/ipv6/ndisc.c:686 [] neigh_probe+0xc8/0x100 net/core/neighbour.c:871 [] __neigh_event_send+0x2ab/0xc50 net/core/neighbour.c:1027 [] neigh_event_send include/net/neighbour.h:431 [inline] [] neigh_resolve_output+0x5ec/0x7a0 net/core/neighbour.c:1313 [] dst_neigh_output include/net/dst.h:461 [inline] [] ip6_finish_output2+0x9c7/0x1dc0 net/ipv6/ip6_output.c:113 [] ip6_finish_output+0x2f3/0x750 net/ipv6/ip6_output.c:131 [] NF_HOOK_COND include/linux/netfilter.h:240 [inline] [] ip6_output+0x1b4/0x520 net/ipv6/ip6_output.c:145 [] dst_output include/net/dst.h:498 [inline] [] ip6_local_out+0x9c/0x180 net/ipv6/output_core.c:169 [] ip6_send_skb+0xa2/0x340 net/ipv6/ip6_output.c:1725 [] ip6_push_pending_frames+0xbb/0xe0 net/ipv6/ip6_output.c:1745 [] icmpv6_push_pending_frames+0x336/0x530 net/ipv6/icmp.c:276 [] icmp6_send+0x1506/0x1b40 net/ipv6/icmp.c:537 [] icmpv6_param_prob+0x29/0x40 net/ipv6/icmp.c:551 [] ip6_frag_queue net/ipv6/reassembly.c:190 [inline] [] ipv6_frag_rcv+0x3ce5/0x51e0 net/ipv6/reassembly.c:531 [] ip6_input_finish+0x57d/0x14f0 net/ipv6/ip6_input.c:248 [] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline] [] NF_HOOK include/linux/netfilter.h:249 [inline] [] ip6_input+0xf8/0x1f0 net/ipv6/ip6_input.c:280 [] dst_input include/net/dst.h:504 [inline] [] ip6_rcv_finish+0x14d/0x670 net/ipv6/ip6_input.c:62 [] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline] [] ipv6_defrag+0x331/0x5d0 net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:78 [] nf_iterate+0x186/0x220 net/netfilter/core.c:274 [] nf_hook_slow+0x1b6/0x340 net/netfilter/core.c:306 [] nf_hook_thresh include/linux/netfilter.h:187 [inline] [] NF_HOOK_THRESH include/linux/netfilter.h:224 [inline] [] NF_HOOK include/linux/netfilter.h:249 [inline] [] ipv6_rcv+0x13eb/0x1a20 net/ipv6/ip6_input.c:186 [] __netif_receive_skb_core+0x1300/0x2950 net/core/dev.c:4041 [] __netif_receive_skb+0x58/0x1c0 net/core/dev.c:4076 [] process_backlog+0x200/0x630 net/core/dev.c:4673 [] napi_poll net/core/dev.c:4911 [inline] [] net_rx_action+0x367/0xd30 net/core/dev.c:4976 [] __do_softirq+0x226/0xa3f kernel/softirq.c:273 [] do_softirq_own_stack+0x1c/0x30 arch/x86/entry/entry_64.S:956 [] do_softirq.part.0+0x54/0x60 kernel/softirq.c:317 [] do_softirq+0x18/0x20 kernel/softirq.c:305 [] netif_rx_ni+0xeb/0x3b0 net/core/dev.c:3675 [] tun_get_user+0xdbf/0x2640 drivers/net/tun.c:1264 [] tun_chr_write_iter+0xda/0x190 drivers/net/tun.c:1283 [] do_iter_readv_writev+0x141/0x1e0 fs/read_write.c:666 [] do_readv_writev+0x387/0x6e0 fs/read_write.c:810 [] vfs_writev+0x7d/0xb0 fs/read_write.c:849 [] SYSC_writev fs/read_write.c:882 [inline] [] SyS_writev+0xdc/0x260 fs/read_write.c:874 [] entry_SYSCALL_64_fastpath+0x1e/0x9a vmalloc: allocation failure: 0 bytes syz-executor.0: page allocation failure: order:0, mode:0x24000c2 CPU: 1 PID: 31677 Comm: syz-executor.0 Not tainted 4.4.174+ #4 0000000000000000 920afd739a4e637b ffff8800a005f9f0 ffffffff81aad1a1 1ffff1001400bf41 ffff8800a5c94740 00000000024000c2 0000000000000000 ffffffff82895080 ffff8800a005fb00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:173748 inactive_anon:6240 isolated_anon:0 active_file:5145 inactive_file:11906 isolated_file:0 unevictable:0 dirty:115 writeback:0 unstable:0 slab_reclaimable:6063 slab_unreclaimable:65702 mapped:59272 shmem:9281 pagetables:6684 bounce:0 free:1301636 free_pcp:528 free_cma:0 DMA32 free:2377508kB min:4696kB low:5868kB high:7044kB active_anon:318968kB inactive_anon:10780kB active_file:10564kB inactive_file:22268kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:200kB writeback:0kB mapped:109812kB shmem:16512kB slab_reclaimable:10704kB slab_unreclaimable:119448kB kernel_stack:5344kB pagetables:12264kB unstable:0kB bounce:0kB free_pcp:1108kB local_pcp:468kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2829580kB min:5580kB low:6972kB high:8368kB active_anon:376124kB inactive_anon:14180kB active_file:10016kB inactive_file:25356kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:260kB writeback:0kB mapped:127276kB shmem:20612kB slab_reclaimable:13548kB slab_unreclaimable:143188kB kernel_stack:7296kB pagetables:14620kB unstable:0kB bounce:0kB free_pcp:1144kB local_pcp:492kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 242*4kB (UME) 621*8kB (UME) 336*16kB (UME) 92*32kB (UME) 52*64kB (UME) 39*128kB (UME) 21*256kB (UME) 12*512kB (UME) 3*1024kB (ME) 3*2048kB (UE) 570*4096kB (UM) = 2378032kB Normal: 321*4kB (UME) 799*8kB (UME) 393*16kB (UME) 152*32kB (UME) 37*64kB (ME) 52*128kB (ME) 27*256kB (UM) 11*512kB (UM) 16*1024kB (UME) 6*2048kB (U) 674*4096kB (UM) = 2829772kB 26333 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.0: page allocation failure: order:0, mode:0x24000c2 CPU: 0 PID: 31720 Comm: syz-executor.0 Not tainted 4.4.174+ #4 0000000000000000 f8057a800a7b82ab ffff8801d0e0f9f0 ffffffff81aad1a1 1ffff1003a1c1f41 ffff8801c117c740 00000000024000c2 0000000000000000 ffffffff82895080 ffff8801d0e0fb00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:173755 inactive_anon:6240 isolated_anon:0 active_file:5148 inactive_file:11906 isolated_file:0 unevictable:0 dirty:124 writeback:1 unstable:0 slab_reclaimable:6077 slab_unreclaimable:65641 mapped:59272 shmem:9281 pagetables:6695 bounce:0 free:1301714 free_pcp:544 free_cma:0 DMA32 free:2377472kB min:4696kB low:5868kB high:7044kB active_anon:318952kB inactive_anon:10780kB active_file:10564kB inactive_file:22268kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:220kB writeback:0kB mapped:109812kB shmem:16512kB slab_reclaimable:10744kB slab_unreclaimable:119244kB kernel_stack:5312kB pagetables:12328kB unstable:0kB bounce:0kB free_pcp:1096kB local_pcp:444kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2829388kB min:5580kB low:6972kB high:8368kB active_anon:376168kB inactive_anon:14180kB active_file:10028kB inactive_file:25408kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:296kB writeback:4kB mapped:127276kB shmem:20600kB slab_reclaimable:13564kB slab_unreclaimable:143108kB kernel_stack:7040kB pagetables:14692kB unstable:0kB bounce:0kB free_pcp:1224kB local_pcp:584kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 174*4kB (UME) 625*8kB (UME) 336*16kB (UME) 95*32kB (UME) 54*64kB (UME) 39*128kB (UME) 21*256kB (UME) 12*512kB (UME) 3*1024kB (ME) 3*2048kB (UE) 570*4096kB (UM) = 2378016kB Normal: 259*4kB (UME) 802*8kB (UME) 395*16kB (UME) 150*32kB (UME) 37*64kB (ME) 52*128kB (ME) 27*256kB (UM) 11*512kB (UM) 16*1024kB (UME) 6*2048kB (U) 674*4096kB (UM) = 2829516kB 26369 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.0: page allocation failure: order:0, mode:0x24000c2 CPU: 1 PID: 31748 Comm: syz-executor.0 Not tainted 4.4.174+ #4 0000000000000000 e55303277751a587 ffff8800a5b179f0 ffffffff81aad1a1 1ffff10014b62f41 ffff8801d05a17c0 00000000024000c2 0000000000000000 ffffffff82895080 ffff8800a5b17b00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:173773 inactive_anon:6242 isolated_anon:0 active_file:5150 inactive_file:11939 isolated_file:0 unevictable:0 dirty:140 writeback:1 unstable:0 slab_reclaimable:6040 slab_unreclaimable:65672 mapped:59273 shmem:9281 pagetables:6736 bounce:0 free:1301649 free_pcp:578 free_cma:0 DMA32 free:2377508kB min:4696kB low:5868kB high:7044kB active_anon:318852kB inactive_anon:10792kB active_file:10568kB inactive_file:22348kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:244kB writeback:0kB mapped:109816kB shmem:16516kB slab_reclaimable:10676kB slab_unreclaimable:119516kB kernel_stack:5312kB pagetables:12308kB unstable:0kB bounce:0kB free_pcp:868kB local_pcp:484kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2829596kB min:5580kB low:6972kB high:8368kB active_anon:376156kB inactive_anon:14172kB active_file:10032kB inactive_file:25408kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:316kB writeback:4kB mapped:127276kB shmem:20608kB slab_reclaimable:13484kB slab_unreclaimable:142904kB kernel_stack:7168kB pagetables:14728kB unstable:0kB bounce:0kB free_pcp:1232kB local_pcp:576kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 116*4kB (ME) 625*8kB (UME) 338*16kB (UME) 97*32kB (UME) 54*64kB (UME) 39*128kB (UME) 21*256kB (UME) 12*512kB (UME) 3*1024kB (ME) 3*2048kB (UE) 570*4096kB (UM) = 2377880kB Normal: 250*4kB (UME) 807*8kB (UME) 397*16kB (UME) 149*32kB (UME) 38*64kB (UME) 52*128kB (ME) 27*256kB (UM) 11*512kB (UM) 16*1024kB (UME) 6*2048kB (U) 674*4096kB (UM) = 2829584kB 26376 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.0: page allocation failure: order:0, mode:0x24000c2 CPU: 0 PID: 31785 Comm: syz-executor.0 Not tainted 4.4.174+ #4 0000000000000000 6e20d980d306f686 ffff8800b4a679f0 ffffffff81aad1a1 1ffff1001694cf41 ffff8800b6c6df00 00000000024000c2 0000000000000000 ffffffff82895080 ffff8800b4a67b00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:173802 inactive_anon:6240 isolated_anon:0 active_file:5154 inactive_file:11935 isolated_file:0 unevictable:0 dirty:145 writeback:1 unstable:0 slab_reclaimable:6031 slab_unreclaimable:65630 mapped:59281 shmem:9281 pagetables:6760 bounce:0 free:1301745 free_pcp:564 free_cma:0 DMA32 free:2377712kB min:4696kB low:5868kB high:7044kB active_anon:319128kB inactive_anon:10788kB active_file:10588kB inactive_file:22268kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:268kB writeback:4kB mapped:109812kB shmem:16520kB slab_reclaimable:10632kB slab_unreclaimable:119288kB kernel_stack:5280kB pagetables:12280kB unstable:0kB bounce:0kB free_pcp:1076kB local_pcp:504kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2829848kB min:5580kB low:6972kB high:8368kB active_anon:376076kB inactive_anon:14164kB active_file:10036kB inactive_file:25472kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:324kB writeback:0kB mapped:127312kB shmem:20596kB slab_reclaimable:13472kB slab_unreclaimable:142884kB kernel_stack:7104kB pagetables:14672kB unstable:0kB bounce:0kB free_pcp:1220kB local_pcp:520kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 131*4kB (UME) 630*8kB (UME) 341*16kB (UME) 86*32kB (UME) 54*64kB (UME) 39*128kB (UME) 21*256kB (UME) 12*512kB (UME) 3*1024kB (ME) 3*2048kB (UE) 570*4096kB (UM) = 2377676kB Normal: 244*4kB (UME) 807*8kB (UME) 399*16kB (UME) 153*32kB (UME) 41*64kB (UME) 52*128kB (ME) 27*256kB (UM) 11*512kB (UM) 16*1024kB (UME) 6*2048kB (U) 674*4096kB (UM) = 2829912kB 26371 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.0: page allocation failure: order:0, mode:0x24000c2 CPU: 0 PID: 31805 Comm: syz-executor.0 Not tainted 4.4.174+ #4 0000000000000000 ecd8f521a71144cb ffff88009d1d79f0 ffffffff81aad1a1 1ffff10013a3af41 ffff8801d8c0af80 00000000024000c2 0000000000000000 ffffffff82895080 ffff88009d1d7b00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:173768 inactive_anon:6240 isolated_anon:0 active_file:5156 inactive_file:11935 isolated_file:0 unevictable:0 dirty:156 writeback:1 unstable:0 slab_reclaimable:6020 slab_unreclaimable:65516 mapped:59281 shmem:9281 pagetables:6718 bounce:0 free:1301906 free_pcp:509 free_cma:0 DMA32 free:2377860kB min:4696kB low:5868kB high:7044kB active_anon:318860kB inactive_anon:10784kB active_file:10588kB inactive_file:22268kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:280kB writeback:0kB mapped:109812kB shmem:16516kB slab_reclaimable:10624kB slab_unreclaimable:119368kB kernel_stack:5216kB pagetables:12324kB unstable:0kB bounce:0kB free_pcp:668kB local_pcp:352kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2829268kB min:5580kB low:6972kB high:8368kB active_anon:376288kB inactive_anon:14180kB active_file:10040kB inactive_file:25488kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:344kB writeback:4kB mapped:127312kB shmem:20608kB slab_reclaimable:13456kB slab_unreclaimable:142940kB kernel_stack:7392kB pagetables:14624kB unstable:0kB bounce:0kB free_pcp:1216kB local_pcp:728kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 138*4kB (UME) 631*8kB (UME) 347*16kB (UME) 83*32kB (UME) 52*64kB (UME) 39*128kB (UME) 21*256kB (UME) 12*512kB (UME) 3*1024kB (ME) 3*2048kB (UE) 570*4096kB (UM) = 2377584kB Normal: 176*4kB (UME) 811*8kB (UME) 400*16kB (UME) 146*32kB (UME) 41*64kB (UME) 52*128kB (ME) 27*256kB (UM) 11*512kB (UM) 16*1024kB (UME) 6*2048kB (U) 674*4096kB (UM) = 2829464kB 26383 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.0: page allocation failure: order:0, mode:0x24000c2 CPU: 1 PID: 31844 Comm: syz-executor.0 Not tainted 4.4.174+ #4 0000000000000000 cb4684fdddd960bd ffff8801cf6d79f0 ffffffff81aad1a1 1ffff10039edaf41 ffff8801cfce2f80 00000000024000c2 0000000000000000 ffffffff82895080 ffff8801cf6d7b00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:173756 inactive_anon:6241 isolated_anon:0 active_file:5160 inactive_file:11939 isolated_file:0 unevictable:0 dirty:160 writeback:0 unstable:0 slab_reclaimable:6027 slab_unreclaimable:65582 mapped:59274 shmem:9281 pagetables:6700 bounce:0 free:1301998 free_pcp:438 free_cma:0 DMA32 free:2377432kB min:4696kB low:5868kB high:7044kB active_anon:319128kB inactive_anon:10788kB active_file:10600kB inactive_file:22268kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:296kB writeback:0kB mapped:109800kB shmem:16520kB slab_reclaimable:10644kB slab_unreclaimable:119704kB kernel_stack:5120kB pagetables:12316kB unstable:0kB bounce:0kB free_pcp:912kB local_pcp:616kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2829980kB min:5580kB low:6972kB high:8368kB active_anon:375996kB inactive_anon:14176kB active_file:10040kB inactive_file:25488kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:344kB writeback:0kB mapped:127296kB shmem:20604kB slab_reclaimable:13464kB slab_unreclaimable:142864kB kernel_stack:7104kB pagetables:14632kB unstable:0kB bounce:0kB free_pcp:848kB local_pcp:240kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 58*4kB (UE) 634*8kB (UME) 345*16kB (UME) 90*32kB (UME) 53*64kB (UME) 36*128kB (UME) 21*256kB (UME) 12*512kB (UME) 3*1024kB (ME) 3*2048kB (UE) 570*4096kB (UM) = 2377160kB Normal: 320*4kB (UME) 822*8kB (UME) 398*16kB (UME) 133*32kB (UME) 48*64kB (UME) 52*128kB (ME) 27*256kB (UM) 11*512kB (UM) 16*1024kB (UME) 6*2048kB (U) 674*4096kB (UM) = 2830128kB 26378 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.0: page allocation failure: order:0, mode:0x24000c2 CPU: 0 PID: 31884 Comm: syz-executor.0 Not tainted 4.4.174+ #4 0000000000000000 8306b845648e9625 ffff88009efd79f0 ffffffff81aad1a1 1ffff10013dfaf41 ffff8801d44c5f00 00000000024000c2 0000000000000000 ffffffff82895080 ffff88009efd7b00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:173744 inactive_anon:6244 isolated_anon:0 active_file:5160 inactive_file:11938 isolated_file:0 unevictable:0 dirty:160 writeback:1 unstable:0 slab_reclaimable:5991 slab_unreclaimable:65948 mapped:59279 shmem:9281 pagetables:6731 bounce:0 free:1301633 free_pcp:437 free_cma:0 DMA32 free:2376836kB min:4696kB low:5868kB high:7044kB active_anon:319132kB inactive_anon:10792kB active_file:10600kB inactive_file:22268kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:296kB writeback:0kB mapped:109752kB shmem:16512kB slab_reclaimable:10588kB slab_unreclaimable:120080kB kernel_stack:5376kB pagetables:12380kB unstable:0kB bounce:0kB free_pcp:1104kB local_pcp:492kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2829412kB min:5580kB low:6972kB high:8368kB active_anon:376044kB inactive_anon:14184kB active_file:10040kB inactive_file:25484kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:344kB writeback:4kB mapped:127364kB shmem:20612kB slab_reclaimable:13376kB slab_unreclaimable:143472kB kernel_stack:7232kB pagetables:14692kB unstable:0kB bounce:0kB free_pcp:928kB local_pcp:392kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 138*4kB (UE) 630*8kB (UME) 344*16kB (UME) 78*32kB (ME) 54*64kB (UME) 32*128kB (UME) 21*256kB (UME) 12*512kB (UME) 3*1024kB (ME) 3*2048kB (UE) 570*4096kB (UM) = 2376600kB Normal: 250*4kB (UME) 830*8kB (UME) 390*16kB (UME) 144*32kB (UME) 44*64kB (UME) 52*128kB (ME) 27*256kB (UM) 11*512kB (UM) 16*1024kB (UME) 6*2048kB (U) 674*4096kB (UM) = 2829880kB 26381 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.0: page allocation failure: order:0, mode:0x24000c2 CPU: 0 PID: 31921 Comm: syz-executor.0 Not tainted 4.4.174+ #4 0000000000000000 9b55aabf70827aed ffff8801b79a79f0 ffffffff81aad1a1 1ffff10036f34f41 ffff8801ced0df00 00000000024000c2 0000000000000000 ffffffff82895080 ffff8801b79a7b00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:173727 inactive_anon:6240 isolated_anon:0 active_file:5162 inactive_file:11939 isolated_file:0 unevictable:0 dirty:162 writeback:0 unstable:0 slab_reclaimable:5996 slab_unreclaimable:65817 mapped:59274 shmem:9281 pagetables:6742 bounce:0 free:1301589 free_pcp:508 free_cma:0 DMA32 free:2376576kB min:4696kB low:5868kB high:7044kB active_anon:319060kB inactive_anon:10784kB active_file:10600kB inactive_file:22268kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:296kB writeback:0kB mapped:109800kB shmem:16516kB slab_reclaimable:10604kB slab_unreclaimable:120612kB kernel_stack:5312kB pagetables:12256kB unstable:0kB bounce:0kB free_pcp:1028kB local_pcp:436kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2829568kB min:5580kB low:6972kB high:8368kB active_anon:375932kB inactive_anon:14176kB active_file:10048kB inactive_file:25488kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:352kB writeback:0kB mapped:127296kB shmem:20608kB slab_reclaimable:13412kB slab_unreclaimable:143296kB kernel_stack:7136kB pagetables:14488kB unstable:0kB bounce:0kB free_pcp:1340kB local_pcp:696kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 184*4kB (UME) 643*8kB (UME) 343*16kB (UME) 81*32kB (UME) 53*64kB (ME) 32*128kB (UME) 20*256kB (UME) 12*512kB (UME) 3*1024kB (ME) 3*2048kB (UE) 570*4096kB (UM) = 2376648kB Normal: 238*4kB (UME) 829*8kB (UME) 391*16kB (UME) 130*32kB (UME) 49*64kB (UME) 53*128kB (ME) 27*256kB (UM) 11*512kB (UM) 16*1024kB (UME) 6*2048kB (U) 674*4096kB (UM) = 2829840kB 26380 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.0: page allocation failure: order:0, mode:0x24000c2 CPU: 0 PID: 31951 Comm: syz-executor.0 Not tainted 4.4.174+ #4 0000000000000000 07b0c91f8595ecc7 ffff88009cd579f0 ffffffff81aad1a1 1ffff100139aaf41 ffff8801c0062f80 00000000024000c2 0000000000000000 ffffffff82895080 ffff88009cd57b00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:173749 inactive_anon:6240 isolated_anon:0 active_file:5162 inactive_file:11939 isolated_file:0 unevictable:0 dirty:162 writeback:1 unstable:0 slab_reclaimable:6012 slab_unreclaimable:65849 mapped:59274 shmem:9281 pagetables:6715 bounce:0 free:1301488 free_pcp:666 free_cma:0 DMA32 free:2376904kB min:4696kB low:5868kB high:7044kB active_anon:318960kB inactive_anon:10784kB active_file:10600kB inactive_file:22268kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:296kB writeback:0kB mapped:109800kB shmem:16520kB slab_reclaimable:10620kB slab_unreclaimable:120252kB kernel_stack:5152kB pagetables:12152kB unstable:0kB bounce:0kB free_pcp:1364kB local_pcp:692kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2829256kB min:5580kB low:6972kB high:8368kB active_anon:375912kB inactive_anon:14176kB active_file:10048kB inactive_file:25488kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:352kB writeback:4kB mapped:127296kB shmem:20604kB slab_reclaimable:13452kB slab_unreclaimable:143696kB kernel_stack:7072kB pagetables:14596kB unstable:0kB bounce:0kB free_pcp:1160kB local_pcp:608kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 238*4kB (UME) 724*8kB (UME) 345*16kB (UME) 85*32kB (UME) 53*64kB (ME) 31*128kB (ME) 18*256kB (ME) 12*512kB (UME) 3*1024kB (ME) 3*2048kB (UE) 570*4096kB (UM) = 2377032kB Normal: 286*4kB (UME) 827*8kB (UME) 389*16kB (UME) 120*32kB (UME) 45*64kB (UME) 54*128kB (UME) 26*256kB (UM) 11*512kB (UM) 16*1024kB (UME) 6*2048kB (U) 674*4096kB (UM) = 2829280kB 26381 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved