==================================================================
BUG: KASAN: stack-out-of-bounds in memset include/linux/string.h:326 [inline]
BUG: KASAN: stack-out-of-bounds in sha3_final+0xeb/0x2e0 crypto/sha3_generic.c:173
Write of size 4294967174 at addr ffff8801cca5fcba by task syzkaller674662/3156
CPU: 0 PID: 3156 Comm: syzkaller674662 Not tainted 4.14.0+ #192
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+0x194/0x257 lib/dump_stack.c:53
print_address_description+0x73/0x250 mm/kasan/report.c:252
kasan_report_error mm/kasan/report.c:351 [inline]
kasan_report+0x25b/0x340 mm/kasan/report.c:409
check_memory_region_inline mm/kasan/kasan.c:260 [inline]
check_memory_region+0x137/0x190 mm/kasan/kasan.c:267
memset+0x23/0x40 mm/kasan/kasan.c:285
memset include/linux/string.h:326 [inline]
sha3_final+0xeb/0x2e0 crypto/sha3_generic.c:173
crypto_shash_final+0xd3/0x1f0 crypto/shash.c:144
shash_finup_unaligned+0x40/0x60 crypto/shash.c:151
crypto_shash_finup+0xc4/0x120 crypto/shash.c:165
hmac_finup+0x182/0x330 crypto/hmac.c:152
crypto_shash_finup+0xc4/0x120 crypto/shash.c:165
shash_digest_unaligned+0x9e/0xd0 crypto/shash.c:172
crypto_shash_digest+0xc4/0x120 crypto/shash.c:186
hmac_setkey+0x36a/0x690 crypto/hmac.c:66
crypto_shash_setkey+0xad/0x190 crypto/shash.c:64
shash_async_setkey+0x47/0x60 crypto/shash.c:207
crypto_ahash_setkey+0xaf/0x180 crypto/ahash.c:200
hash_setkey+0x40/0x90 crypto/algif_hash.c:446
alg_setkey crypto/af_alg.c:221 [inline]
alg_setsockopt+0x2a1/0x350 crypto/af_alg.c:254
SYSC_setsockopt net/socket.c:1851 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1830
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x4460e9
RSP: 002b:00007f9d04c08dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004460e9
RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000005
RBP: 0000000000000086 R08: 0000000000000079 R09: 00007f9d04c09700
R10: 0000000020002000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe4c265f6f R14: 00007f9d04c099c0 R15: 0000000000000000
The buggy address belongs to the page:
page:ffffea00073297c0 count:0 mapcount:0 mapping: (null) index:0x0
flags: 0x2fffc0000000000()
raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff
raw: 0000000000000000 0000000100000001 0000000000000000 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8801cca5fd80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff8801cca5fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8801cca5fe80: f1 f1 f1 f1 04 f2 f2 f2 f2 f2 f2 f2 04 f2 f2 f2
^
ffff8801cca5ff00: f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00
ffff8801cca5ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================