raw: 02fffc0000000000 0000000000000000 0000000000000000 00000001fffffe00 raw: dead000000000100 dead000000000200 0000000000000000 ffff8801bb4f46c0 page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) <= 0) page->mem_cgroup:ffff8801bb4f46c0 ------------[ cut here ]------------ kernel BUG at include/linux/mm.h:853! invalid opcode: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 14296 Comm: syz-executor4 Not tainted 4.17.0-rc7+ #81 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:get_page include/linux/mm.h:853 [inline] RIP: 0010:do_tcp_sendpages+0x1879/0x1e60 net/ipv4/tcp.c:1002 RSP: 0018:ffff8801cc096b30 EFLAGS: 00010206 RAX: 0000000000000000 RBX: ffff8801b9ade580 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81a5c415 RDI: ffffed0039812d58 RBP: ffff8801cc096d90 R08: ffff8801b92d8040 R09: 0000000000000006 R10: ffff8801b92d8040 R11: 0000000000000000 R12: 000000000000301d R13: ffffea00072b941c R14: ffff8801d0ac2240 R15: dffffc0000000000 FS: 00007f7f85246700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa8036e6db8 CR3: 00000001841ec000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tls_push_sg+0x25b/0x860 net/tls/tls_main.c:126 tls_push_record+0xaf1/0x13e0 net/tls/tls_sw.c:266 tls_sw_push_pending_record+0x22/0x30 net/tls/tls_sw.c:276 tls_handle_open_record net/tls/tls_main.c:164 [inline] tls_sk_proto_close+0x7b4/0xa00 net/tls/tls_main.c:263 inet_release+0x104/0x1f0 net/ipv4/af_inet.c:427 inet6_release+0x50/0x70 net/ipv6/af_inet6.c:460 sock_release+0x96/0x1b0 net/socket.c:594 sock_close+0x16/0x20 net/socket.c:1149 __fput+0x34d/0x890 fs/file_table.c:209 ____fput+0x15/0x20 fs/file_table.c:243 task_work_run+0x1e4/0x290 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x1aee/0x2730 kernel/exit.c:865 do_group_exit+0x16f/0x430 kernel/exit.c:968 get_signal+0x886/0x1960 kernel/signal.c:2482 do_signal+0x98/0x2040 arch/x86/kernel/signal.c:810 exit_to_usermode_loop+0x28a/0x310 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:265 [inline] do_syscall_64+0x6ac/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455a09 RSP: 002b:00007f7f85245ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000072bec8 RCX: 0000000000455a09 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000072bec8 RBP: 000000000072bec8 R08: 0000000000000031 R09: 000000000072bea0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdab4805df R14: 00007f7f852469c0 R15: 0000000000000000 Code: ff ff 41 89 86 b4 08 00 00 e8 84 f7 04 00 e9 2c eb ff ff e8 4a 29 30 fb 48 8b bd b8 fd ff ff 48 c7 c6 e0 8f 52 88 e8 67 96 5c fb <0f> 0b 48 89 85 b8 fd ff ff e8 29 29 30 fb 48 8b 85 b8 fd ff ff RIP: get_page include/linux/mm.h:853 [inline] RSP: ffff8801cc096b30 RIP: do_tcp_sendpages+0x1879/0x1e60 net/ipv4/tcp.c:1002 RSP: ffff8801cc096b30 ---[ end trace 676ebe2f9f62f08e ]---