binder: 15220:15224 got transaction with invalid offset (0, min 0 max 0) or object. binder: 15220:15224 transaction failed 29201/-22, size 0-12288 line 3199 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. binder_alloc: binder_alloc_mmap_handler: 15220 20ffc000-20fff000 already mapped failed -16 BUG: unable to handle kernel paging request at ffffeafff9118000 IP: [] constant_test_bit arch/x86/include/asm/bitops.h:311 [inline] IP: [] PageHead include/linux/page-flags.h:473 [inline] IP: [] copy_huge_pmd+0x260/0x550 mm/huge_memory.c:854 PGD 0 Oops: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 15239 Comm: syz-executor5 Not tainted 4.9.122-g54068d6 #78 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d4dab000 task.stack: ffff8801beb80000 RIP: 0010:[] [] constant_test_bit arch/x86/include/asm/bitops.h:311 [inline] RIP: 0010:[] [] PageHead include/linux/page-flags.h:473 [inline] RIP: 0010:[] [] copy_huge_pmd+0x260/0x550 mm/huge_memory.c:854 RSP: 0018:ffff8801beb879e8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffeafff9118000 RCX: ffffc900044dc000 RDX: 1ffffd5fff223000 RSI: ffffffff8154af65 RDI: 00003ffe446001a0 RBP: ffff8801beb87a40 R08: ffff8801d4dab960 R09: 0000000000000001 R10: ffff8801d4dab000 R11: 1ffff1003a9b5727 R12: ffff8801be939500 R13: ffff8801b7450800 R14: 00003ffe446001a0 R15: ffff88019cb31800 FS: 00007f1790615700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffeafff9118000 CR3: 000000019cb0b000 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 00003ffe446001a0 ffff8801c5edec60 ffff8801cc62ddc0 ffffea000732edc0 00003fffffe00000 0000000020000000 ffff88019cb31800 ffff88019cb31800 000000019cb31067 000000003fffffff dffffc0000000000 ffff8801beb87c08 Call Trace: [] copy_pmd_range mm/memory.c:1003 [inline] [] copy_pud_range mm/memory.c:1035 [inline] [] copy_page_range+0x71e/0x19f0 mm/memory.c:1097 [] dup_mmap kernel/fork.c:674 [inline] [] dup_mm kernel/fork.c:1156 [inline] [] copy_mm kernel/fork.c:1210 [inline] [] copy_process.part.51+0x3d6b/0x6330 kernel/fork.c:1678 [] copy_process kernel/fork.c:1503 [inline] [] _do_fork+0x1b0/0xdd0 kernel/fork.c:1963 [] SYSC_clone kernel/fork.c:2075 [inline] [] SyS_clone+0x37/0x50 kernel/fork.c:2069 [] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: 00 ea ff ff 48 23 45 c8 48 c1 e8 06 48 8d 1c 10 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 80 3c 02 00 0f 85 4c 02 00 00 <48> 8b 03 f6 c4 40 0f 84 c7 01 00 00 e8 bf 5d e1 ff 48 8d 7b 20 RIP [] constant_test_bit arch/x86/include/asm/bitops.h:311 [inline] RIP [] PageHead include/linux/page-flags.h:473 [inline] RIP [] copy_huge_pmd+0x260/0x550 mm/huge_memory.c:854 RSP CR2: ffffeafff9118000 ---[ end trace e035822c8a5ff00b ]---