binder_alloc: 7955: binder_alloc_buf, no vma
Failed to create subscription for {1020,0,4294967295}
binder: 7955:7993 transaction failed 29189/-3, size 56-8 line 2963
==================================================================
binder: undelivered TRANSACTION_ERROR: 29189
BUG: KASAN: use-after-free in __list_del_entry_valid+0x11d/0x150 lib/list_debug.c:42
Read of size 8 at addr ffff8801c144b178 by task syz-executor6/7988

CPU: 1 PID: 7988 Comm: syz-executor6 Not tainted 4.16.0-rc7+ #283
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
 print_address_description+0x73/0x250 mm/kasan/report.c:256
 kasan_report_error mm/kasan/report.c:354 [inline]
 kasan_report+0x23c/0x360 mm/kasan/report.c:412
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433
 __list_del_entry_valid+0x11d/0x150 lib/list_debug.c:42
 __list_del_entry include/linux/list.h:117 [inline]
 list_del include/linux/list.h:125 [inline]
 tipc_subscrb_subscrp_delete+0x1f1/0x460 net/tipc/subscr.c:213
 tipc_subscrb_delete net/tipc/subscr.c:242 [inline]
 tipc_subscrb_release_cb+0x17/0x30 net/tipc/subscr.c:321
 tipc_topsrv_kern_unsubscr+0x2c3/0x430 net/tipc/server.c:535
 tipc_group_delete+0x2c0/0x3d0 net/tipc/group.c:231
 tipc_sk_leave+0x10b/0x200 net/tipc/socket.c:2795
 tipc_release+0x154/0xff0 net/tipc/socket.c:577
 sock_release+0x8d/0x1e0 net/socket.c:595
 sock_close+0x16/0x20 net/socket.c:1149
 __fput+0x327/0x7e0 fs/file_table.c:209
 ____fput+0x15/0x20 fs/file_table.c:243
 task_work_run+0x199/0x270 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x9bb/0x1ad0 kernel/exit.c:865
 do_group_exit+0x149/0x400 kernel/exit.c:968
 get_signal+0x73a/0x16d0 kernel/signal.c:2469
 do_signal+0x90/0x1e90 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x258/0x2f0 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_32_irqs_on arch/x86/entry/common.c:336 [inline]
 do_fast_syscall_32+0xbe6/0xf9f arch/x86/entry/common.c:392
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7fd8c99
RSP: 002b:00000000f5fd40ac EFLAGS: 00000292 ORIG_RAX: 00000000000000f0
RAX: 0000000000000001 RBX: 000000000813af20 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000000
RBP: 000000000000001e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000

Allocated by task 7988:
 save_stack+0x43/0xd0 mm/kasan/kasan.c:447
 set_track mm/kasan/kasan.c:459 [inline]
 kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:552
 kmem_cache_alloc_trace+0x136/0x740 mm/slab.c:3608
 kmalloc include/linux/slab.h:512 [inline]
 tipc_subscrp_create net/tipc/subscr.c:270 [inline]
 tipc_subscrp_subscribe net/tipc/subscr.c:299 [inline]
 tipc_subscrb_rcv_cb+0x398/0xa40 net/tipc/subscr.c:345
 tipc_topsrv_kern_subscr+0x555/0x8a0 net/tipc/server.c:519
 tipc_group_create+0x6ed/0x980 net/tipc/group.c:194
 tipc_sk_join net/tipc/socket.c:2761 [inline]
 tipc_setsockopt+0x28a/0xcf0 net/tipc/socket.c:2876
 C_SYSC_setsockopt net/compat.c:406 [inline]
 compat_SyS_setsockopt+0x2e7/0x410 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

Freed by task 7988:
 save_stack+0x43/0xd0 mm/kasan/kasan.c:447
 set_track mm/kasan/kasan.c:459 [inline]
 __kasan_slab_free+0x11a/0x170 mm/kasan/kasan.c:520
 kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:527
 __cache_free mm/slab.c:3486 [inline]
 kfree+0xd9/0x260 mm/slab.c:3801
 tipc_subscrp_kref_release net/tipc/subscr.c:181 [inline]
 kref_put include/linux/kref.h:70 [inline]
 tipc_subscrp_put+0x289/0x360 net/tipc/subscr.c:187
 tipc_nametbl_unsubscribe+0x454/0x990 net/tipc/name_table.c:849
 tipc_subscrb_subscrp_delete+0x1e9/0x460 net/tipc/subscr.c:212
 tipc_subscrb_delete net/tipc/subscr.c:242 [inline]
 tipc_subscrb_release_cb+0x17/0x30 net/tipc/subscr.c:321
 tipc_topsrv_kern_unsubscr+0x2c3/0x430 net/tipc/server.c:535
 tipc_group_delete+0x2c0/0x3d0 net/tipc/group.c:231
 tipc_sk_leave+0x10b/0x200 net/tipc/socket.c:2795
 tipc_release+0x154/0xff0 net/tipc/socket.c:577
 sock_release+0x8d/0x1e0 net/socket.c:595
 sock_close+0x16/0x20 net/socket.c:1149
 __fput+0x327/0x7e0 fs/file_table.c:209
 ____fput+0x15/0x20 fs/file_table.c:243
 task_work_run+0x199/0x270 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x9bb/0x1ad0 kernel/exit.c:865
 do_group_exit+0x149/0x400 kernel/exit.c:968
 get_signal+0x73a/0x16d0 kernel/signal.c:2469
 do_signal+0x90/0x1e90 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x258/0x2f0 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_32_irqs_on arch/x86/entry/common.c:336 [inline]
 do_fast_syscall_32+0xbe6/0xf9f arch/x86/entry/common.c:392
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139

The buggy address belongs to the object at ffff8801c144b100
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 120 bytes inside of
 192-byte region [ffff8801c144b100, ffff8801c144b1c0)
The buggy address belongs to the page:
page:ffffea00070512c0 count:1 mapcount:0 mapping:ffff8801c144b000 index:0x0
flags: 0x2fffc0000000100(slab)
raw: 02fffc0000000100 ffff8801c144b000 0000000000000000 0000000100000010
raw: ffffea0006e91ce0 ffffea000724dfe0 ffff8801dac00040 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8801c144b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8801c144b080: 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8801c144b100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                                ^
 ffff8801c144b180: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff8801c144b200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================