Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313342 pages reserved general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 3904 Comm: syz-executor1 Not tainted 4.4.167+ #4 task: ffff8801c380c740 task.stack: ffff8801c6608000 RIP: 0010:[] [] tcp_sendmsg+0x459/0x2b30 net/ipv4/tcp.c:1165 RSP: 0018:ffff8801c660f9a0 EFLAGS: 00010206 RAX: 0000000000000011 RBX: 000000007fb29588 RCX: 1ffff1003abb472b RDX: 0000000000000001 RSI: ffffffff823f7138 RDI: 0000000000000089 RBP: ffff8801c660fb68 R08: ffff8801c380d008 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff831a4978 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8801d5da3700 FS: 00007fc4ae39e700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001743920 CR3: 00000001d5cc1000 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801bed68000 ffff8801d5da3728 0000000000000000 fffffbfff0634d24 ffff8801c380d940 0000000000000001 ffff8801d57680c8 ffff8801d5da3958 ffff8801d576807c ffff8801d5da3f1b ffff8801d57680c4 0000000100000246 Call Trace: [] inet_sendmsg+0x203/0x4d0 net/ipv4/af_inet.c:755 [] sock_sendmsg_nosec net/socket.c:638 [inline] [] sock_sendmsg+0xbb/0x110 net/socket.c:648 [] sock_write_iter+0x223/0x3b0 net/socket.c:847 [] new_sync_write fs/read_write.c:478 [inline] [] __vfs_write+0x304/0x3e0 fs/read_write.c:491 [] vfs_write+0x17e/0x4e0 fs/read_write.c:538 [] SYSC_write fs/read_write.c:585 [inline] [] SyS_write+0xd9/0x1c0 fs/read_write.c:577 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Code: 84 5d 09 00 00 e8 08 01 f1 fe 8b 85 18 ff ff ff 49 8d bc 24 89 00 00 00 48 89 fa 83 e2 07 89 85 f0 fe ff ff 48 89 f8 48 c1 e8 03 <42> 0f b6 04 30 38 d0 7f 08 84 c0 0f 85 2f 20 00 00 41 f6 84 24 RIP [] tcp_sendmsg+0x459/0x2b30 net/ipv4/tcp.c:1165 RSP capability: warning: `syz-executor2' uses 32-bit capabilities (legacy support in use) vmalloc: allocation failure: 0 bytes syz-executor4: page allocation failure: order:0, mode:0x24000c2 CPU: 1 PID: 3995 Comm: syz-executor4 Tainted: G D 4.4.167+ #4 0000000000000000 257b6e0e542b42b2 ffff8801c16df930 ffffffff81aa62cd 1ffff100382dbf29 ffff8801d72fdf00 00000000024000c2 0000000000000000 ffffffff82894540 ffff8801c16dfa40 ffffffff814871e8 0000000000000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] warn_alloc_failed.cold.34+0x33/0x9b mm/page_alloc.c:2757 [] __vmalloc_node_range+0x360/0x630 mm/vmalloc.c:1693 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x135/0xfc0 security/selinux/selinuxfs.c:527 [] __vfs_write+0x11c/0x3e0 fs/read_write.c:489 [] vfs_write+0x17e/0x4e0 fs/read_write.c:538 [] SYSC_write fs/read_write.c:585 [inline] [] SyS_write+0xd9/0x1c0 fs/read_write.c:577 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:49445 inactive_anon:42 isolated_anon:0 active_file:4253 inactive_file:10607 isolated_file:0 unevictable:0 dirty:95 writeback:0 unstable:0 slab_reclaimable:4332 slab_unreclaimable:58243 mapped:55202 shmem:48 pagetables:926 bounce:0 free:1462872 free_pcp:577 free_cma:0 DMA32 free:2673764kB min:4696kB low:5868kB high:7044kB active_anon:90720kB inactive_anon:88kB active_file:7860kB inactive_file:20716kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021784kB mlocked:0kB dirty:204kB writeback:0kB mapped:102216kB shmem:100kB slab_reclaimable:7776kB slab_unreclaimable:105476kB kernel_stack:1568kB pagetables:1572kB unstable:0kB bounce:0kB free_pcp:1180kB local_pcp:716kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:3177724kB min:5580kB low:6972kB high:8368kB active_anon:107060kB inactive_anon:80kB active_file:9152kB inactive_file:21712kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:176kB writeback:0kB mapped:118592kB shmem:92kB slab_reclaimable:9552kB slab_unreclaimable:127496kB kernel_stack:3232kB pagetables:2132kB unstable:0kB bounce:0kB free_pcp:1128kB local_pcp:616kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 2905*4kB (UME) 1602*8kB (UM) 945*16kB (UM) 35*32kB (UM) 18*64kB (UM) 6*128kB (UM) 4*256kB (ME) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 641*4096kB (UM) = 2673764kB Normal: 3409*4kB (UM) 1759*8kB (UM) 1070*16kB (UME) 51*32kB (UME) 24*64kB (UM) 15*128kB (UME) 8*256kB (UM) 9*512kB (UME) 4*1024kB (UM) 2*2048kB (ME) 760*4096kB (M) = 3177724kB 14908 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 313342 pages reserved ---[ end trace 6ffaf24f661dc6da ]---