binder: 21338 RLIMIT_NICE not set futex_wake_op: syz-executor7 tries to shift op by -1; fix this program WARNING: CPU: 0 PID: 21348 at net/bridge/netfilter/ebtables.c:2056 ebt_size_mwt net/bridge/netfilter/ebtables.c:2056 [inline] WARNING: CPU: 0 PID: 21348 at net/bridge/netfilter/ebtables.c:2056 size_entry_mwt net/bridge/netfilter/ebtables.c:2122 [inline] WARNING: CPU: 0 PID: 21348 at net/bridge/netfilter/ebtables.c:2056 compat_copy_entries+0xcfa/0x1050 net/bridge/netfilter/ebtables.c:2160 futex_wake_op: syz-executor7 tries to shift op by -1; fix this program Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 21348 Comm: syz-executor3 Not tainted 4.16.0-rc3+ #247 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 binder: send failed reply for transaction 62 to 21336:21357 panic+0x1e4/0x41c kernel/panic.c:183 binder_alloc: binder_alloc_mmap_handler: 21336 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set __warn+0x1dc/0x200 kernel/panic.c:547 report_bug+0x211/0x2d0 lib/bug.c:184 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178 binder: 21336:21357 ioctl 40046207 0 returned -16 fixup_bug arch/x86/kernel/traps.c:247 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296 binder: 21357 RLIMIT_NICE not set do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 binder_alloc: 21336: binder_alloc_buf, no vma invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986 RIP: 0010:ebt_size_mwt net/bridge/netfilter/ebtables.c:2056 [inline] RIP: 0010:size_entry_mwt net/bridge/netfilter/ebtables.c:2122 [inline] RIP: 0010:compat_copy_entries+0xcfa/0x1050 net/bridge/netfilter/ebtables.c:2160 RSP: 0018:ffff88019ed977e8 EFLAGS: 00010212 binder: 21336:21338 transaction failed 29189/-3, size 0-0 line 2963 RAX: 0000000000010000 RBX: 0000000000000000 RCX: ffffffff851aa9ba RDX: 000000000000e276 RSI: ffffc900028b5000 RDI: 0000000000000000 RBP: ffff88019ed97968 R08: ffff8801d1dbeef0 R09: 0000000000000000 R10: ffffffff88613340 R11: 000000000000004c R12: 0000000000000004 R13: dffffc0000000000 R14: ffff88019ed979c8 R15: ffffc900072680c4 compat_do_replace+0x398/0x7c0 net/bridge/netfilter/ebtables.c:2249 compat_do_ebt_set_ctl+0x22a/0x2d0 net/bridge/netfilter/ebtables.c:2330 compat_nf_sockopt net/netfilter/nf_sockopt.c:144 [inline] compat_nf_setsockopt+0x88/0x130 net/netfilter/nf_sockopt.c:156 compat_ip_setsockopt+0x8b/0xd0 net/ipv4/ip_sockglue.c:1285 inet_csk_compat_setsockopt+0x95/0x120 net/ipv4/inet_connection_sock.c:1041 compat_dccp_setsockopt+0x40/0x70 net/dccp/proto.c:589 compat_sock_common_setsockopt+0xb2/0x140 net/core/sock.c:2986 C_SYSC_setsockopt net/compat.c:403 [inline] compat_SyS_setsockopt+0x17c/0x410 net/compat.c:386 do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] do_fast_syscall_32+0x3ec/0xf9f arch/x86/entry/common.c:392 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f0ec99 RSP: 002b:00000000f770a09c EFLAGS: 00000286 ORIG_RAX: 000000000000016e RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 0000000000000000 RDX: 0000000000000080 RSI: 0000000020000440 RDI: 00000000000001c0 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..