binder: 13265:13275 unknown command 0
binder: 13265:13275 ioctl c0306201 20a20000 returned -22
==================================================================
BUG: KASAN: slab-out-of-bounds in tgr192_final+0x538/0x560 crypto/tgr192.c:603
Write of size 8 at addr ffff8801d925a520 by task syz-executor6/13274

CPU: 1 PID: 13274 Comm: syz-executor6 Not tainted 4.17.0+ #94
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+0x1b9/0x294 lib/dump_stack.c:113
 print_address_description+0x6c/0x20b mm/kasan/report.c:256
 kasan_report_error mm/kasan/report.c:354 [inline]
 kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412
 __asan_report_store8_noabort+0x17/0x20 mm/kasan/report.c:438
 tgr192_final+0x538/0x560 crypto/tgr192.c:603
 crypto_shash_final+0x104/0x260 crypto/shash.c:152
 kdf_ctr security/keys/dh.c:186 [inline]
 keyctl_dh_compute_kdf security/keys/dh.c:217 [inline]
 __keyctl_dh_compute+0x1184/0x1bc0 security/keys/dh.c:389
 keyctl_dh_compute+0xb9/0x100 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+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4559f9
Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007fa93e404c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa
RAX: ffffffffffffffda RBX: 00007fa93e4056d4 RCX: 00000000004559f9
RDX: 0000000020000140 RSI: 00000000200000c0 RDI: 0000000000000017
RBP: 000000000072bea0 R08: 0000000020000280 R09: 0000000000000000
R10: 00000000000000ce R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004bfbb9 R14: 00000000004ce990 R15: 0000000000000000

Allocated by task 13274:
 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+0xfe9/0x1bc0 security/keys/dh.c:389
 keyctl_dh_compute+0xb9/0x100 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+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 12165:
 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
 free_bprm+0x1b1/0x210 fs/exec.c:1429
 __do_execve_file.isra.35+0x1d38/0x2610 fs/exec.c:1829
 do_execveat_common fs/exec.c:1865 [inline]
 do_execve fs/exec.c:1882 [inline]
 __do_sys_execve fs/exec.c:1963 [inline]
 __se_sys_execve fs/exec.c:1958 [inline]
 __x64_sys_execve+0x8f/0xc0 fs/exec.c:1958
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

The buggy address belongs to the object at ffff8801d925a440
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 224 bytes inside of
 256-byte region [ffff8801d925a440, ffff8801d925a540)
The buggy address belongs to the page:
page:ffffea0007649680 count:1 mapcount:0 mapping:ffff8801da8007c0 index:0xffff8801d925ae40
flags: 0x2fffc0000000100(slab)
raw: 02fffc0000000100 ffffea0007602bc8 ffffea000721b6c8 ffff8801da8007c0
raw: ffff8801d925ae40 ffff8801d925a080 0000000100000009 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8801d925a400: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
 ffff8801d925a480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8801d925a500: 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc
                               ^
 ffff8801d925a580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8801d925a600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================