binder: release 8410:8414 transaction 13 out, still active ================================================================== binder: undelivered TRANSACTION_COMPLETE BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:345 [inline] BUG: KASAN: slab-out-of-bounds in tgr160_final+0x93/0xe0 crypto/tgr192.c:614 Write of size 20 at addr ffff8801d688d054 by task syz-executor0/8416 CPU: 0 PID: 8416 Comm: syz-executor0 Not tainted 4.18.0-rc1+ #111 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 binder: 8410:8414 ERROR: BC_REGISTER_LOOPER called without request print_address_description+0x6c/0x20b mm/kasan/report.c:256 binder: 8414 RLIMIT_NICE not set kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412 check_memory_region_inline mm/kasan/kasan.c:260 [inline] check_memory_region+0x13e/0x1b0 mm/kasan/kasan.c:267 memcpy+0x37/0x50 mm/kasan/kasan.c:303 binder: 8414 RLIMIT_NICE not set memcpy include/linux/string.h:345 [inline] tgr160_final+0x93/0xe0 crypto/tgr192.c:614 crypto_shash_final+0x104/0x260 crypto/shash.c:152 binder: 8414 RLIMIT_NICE not set kdf_ctr security/keys/dh.c:186 [inline] keyctl_dh_compute_kdf security/keys/dh.c:217 [inline] __keyctl_dh_compute+0x1198/0x1be0 security/keys/dh.c:389 binder: 8410:8414 transaction failed 29189/0, size 0-0 line 2784 binder: send failed reply for transaction 13, target dead binder: BINDER_SET_CONTEXT_MGR already set keyctl_dh_compute+0xc5/0x11f security/keys/dh.c:425 binder: 8410:8419 ioctl 40046207 0 returned -16 __do_sys_keyctl security/keys/keyctl.c:1741 [inline] __se_sys_keyctl security/keys/keyctl.c:1637 [inline] __x64_sys_keyctl+0x12a/0x3b0 security/keys/keyctl.c:1637 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 binder_alloc: 8410: binder_alloc_buf, no vma entry_SYSCALL_64_after_hwframe+0x49/0xbe binder: 8410:8414 transaction failed 29189/-3, size 0-0 line 2967 RIP: 0033:0x455b29 Code: 1d ba fb ff c3 66 2e binder: 8410:8419 got reply transaction with no transaction stack 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 binder: 8410:8419 transaction failed 29201/-71, size 0-0 line 2759 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c binder: 8410:8414 ERROR: BC_REGISTER_LOOPER called without request 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 binder: 8414 RLIMIT_NICE not set 00 00 00 00 RSP: 002b:00007f9d9ff46c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa RAX: ffffffffffffffda RBX: 00007f9d9ff476d4 RCX: 0000000000455b29 RDX: 0000000020a53ffb RSI: 0000000020000100 RDI: 0000000000000017 binder: undelivered TRANSACTION_ERROR: 29201 RBP: 000000000072bea0 R08: 0000000020000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004bfe04 R14: 00000000004cf058 R15: 0000000000000000 Allocated by task 8416: save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553 __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x14e/0x760 mm/slab.c:3727 kmalloc include/linux/slab.h:518 [inline] keyctl_dh_compute_kdf security/keys/dh.c:211 [inline] __keyctl_dh_compute+0x1000/0x1be0 security/keys/dh.c:389 keyctl_dh_compute+0xc5/0x11f security/keys/dh.c:425 __do_sys_keyctl security/keys/keyctl.c:1741 [inline] __se_sys_keyctl security/keys/keyctl.c:1637 [inline] __x64_sys_keyctl+0x12a/0x3b0 security/keys/keyctl.c:1637 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 4604: save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] __kasan_slab_free+0x11a/0x170 mm/kasan/kasan.c:521 kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528 __cache_free mm/slab.c:3498 [inline] kfree+0xd9/0x260 mm/slab.c:3813 kvfree+0x61/0x70 mm/util.c:442 xt_free_table_info+0xb7/0x180 net/netfilter/x_tables.c:1202 __do_replace+0x86f/0xad0 net/ipv6/netfilter/ip6_tables.c:1107 do_replace net/ipv6/netfilter/ip6_tables.c:1160 [inline] do_ip6t_set_ctl+0x49c/0x64b net/ipv6/netfilter/ip6_tables.c:1684 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x7d/0xd0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x105/0x170 net/ipv6/ipv6_sockglue.c:927 tcp_setsockopt+0x93/0xe0 net/ipv4/tcp.c:3049 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:3040 __sys_setsockopt+0x1c5/0x3b0 net/socket.c:1947 __do_sys_setsockopt net/socket.c:1958 [inline] __se_sys_setsockopt net/socket.c:1955 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1955 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe The buggy address belongs to the object at ffff8801d688d040 which belongs to the cache kmalloc-32 of size 32 The buggy address is located 20 bytes inside of 32-byte region [ffff8801d688d040, ffff8801d688d060) The buggy address belongs to the page: page:ffffea00075a2340 count:1 mapcount:0 mapping:ffff8801da8001c0 index:0xffff8801d688dfc1 flags: 0x2fffc0000000100(slab) raw: 02fffc0000000100 ffff8801da801238 ffffea00075cdbc8 ffff8801da8001c0 raw: ffff8801d688dfc1 ffff8801d688d000 0000000100000024 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801d688cf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8801d688cf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8801d688d000: fb fb fb fb fc fc fc fc 00 00 00 fc fc fc fc fc ^ ffff8801d688d080: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc ffff8801d688d100: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc ==================================================================