sctp: [Deprecated]: syz-executor4 (pid 15947) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead ================================================================== BUG: KMSAN: uninit-value in __arch_swab32 arch/x86/include/uapi/asm/swab.h:10 [inline] BUG: KMSAN: uninit-value in __fswab32 include/uapi/linux/swab.h:59 [inline] BUG: KMSAN: uninit-value in __swab32p include/uapi/linux/swab.h:179 [inline] BUG: KMSAN: uninit-value in __be32_to_cpup include/uapi/linux/byteorder/little_endian.h:82 [inline] BUG: KMSAN: uninit-value in get_unaligned_be32 include/linux/unaligned/access_ok.h:30 [inline] BUG: KMSAN: uninit-value in LOAD_OP crypto/sha256_generic.c:63 [inline] BUG: KMSAN: uninit-value in sha256_transform crypto/sha256_generic.c:79 [inline] BUG: KMSAN: uninit-value in sha256_generic_block_fn+0xb05f/0xb460 crypto/sha256_generic.c:238 sctp: [Deprecated]: syz-executor4 (pid 15955) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead CPU: 0 PID: 6872 Comm: kworker/0:4 Not tainted 4.16.0+ #85 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: crypto cryptd_queue_worker Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x185/0x1d0 lib/dump_stack.c:53 kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:683 __arch_swab32 arch/x86/include/uapi/asm/swab.h:10 [inline] __fswab32 include/uapi/linux/swab.h:59 [inline] __swab32p include/uapi/linux/swab.h:179 [inline] __be32_to_cpup include/uapi/linux/byteorder/little_endian.h:82 [inline] get_unaligned_be32 include/linux/unaligned/access_ok.h:30 [inline] LOAD_OP crypto/sha256_generic.c:63 [inline] sha256_transform crypto/sha256_generic.c:79 [inline] sha256_generic_block_fn+0xb05f/0xb460 crypto/sha256_generic.c:238 sha256_base_do_finalize include/crypto/sha256_base.h:111 [inline] sha256_final crypto/sha256_generic.c:252 [inline] crypto_sha256_finup+0x35e/0x7e0 crypto/sha256_generic.c:260 crypto_shash_finup+0x240/0x520 crypto/shash.c:173 hmac_finup+0x230/0x550 crypto/hmac.c:152 crypto_shash_finup crypto/shash.c:173 [inline] shash_ahash_finup+0x468/0xa30 crypto/shash.c:266 shash_ahash_digest+0x5c6/0x600 crypto/shash.c:306 cryptd_hash_digest+0x15b/0x4b0 crypto/cryptd.c:835 cryptd_queue_worker+0x1ae/0x2c0 crypto/cryptd.c:193 process_one_work+0x12c6/0x1f60 kernel/workqueue.c:2113 worker_thread+0x113c/0x24f0 kernel/workqueue.c:2247 kthread+0x539/0x720 kernel/kthread.c:239 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:406 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:278 [inline] kmsan_save_stack mm/kmsan/kmsan.c:293 [inline] kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:684 kmsan_memcpy_origins+0x11d/0x170 mm/kmsan/kmsan.c:526 __msan_memcpy+0x109/0x160 mm/kmsan/kmsan_instr.c:477 sha256_base_do_update include/crypto/sha256_base.h:88 [inline] crypto_sha256_finup+0x1d2/0x7e0 crypto/sha256_generic.c:259 crypto_shash_finup+0x240/0x520 crypto/shash.c:173 hmac_finup+0x230/0x550 crypto/hmac.c:152 crypto_shash_finup crypto/shash.c:173 [inline] shash_ahash_finup+0x468/0xa30 crypto/shash.c:266 shash_ahash_digest+0x5c6/0x600 crypto/shash.c:306 cryptd_hash_digest+0x15b/0x4b0 crypto/cryptd.c:835 cryptd_queue_worker+0x1ae/0x2c0 crypto/cryptd.c:193 process_one_work+0x12c6/0x1f60 kernel/workqueue.c:2113 worker_thread+0x113c/0x24f0 kernel/workqueue.c:2247 kthread+0x539/0x720 kernel/kthread.c:239 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:406 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:278 [inline] kmsan_alloc_meta_for_pages+0x161/0x3a0 mm/kmsan/kmsan.c:814 kmsan_alloc_page+0x82/0xe0 mm/kmsan/kmsan.c:868 __alloc_pages_nodemask+0xf5b/0x5dc0 mm/page_alloc.c:4283 alloc_pages_vma+0xcc8/0x1800 mm/mempolicy.c:2019 shmem_alloc_page mm/shmem.c:1471 [inline] shmem_alloc_and_acct_page+0x6d5/0x1000 mm/shmem.c:1496 shmem_getpage_gfp+0x35db/0x5770 mm/shmem.c:1771 shmem_getpage mm/shmem.c:131 [inline] shmem_fallocate+0xde2/0x1610 mm/shmem.c:2939 vfs_fallocate+0x9dc/0xde0 fs/open.c:319 SYSC_fallocate+0x119/0x1d0 fs/open.c:342 SyS_fallocate+0x64/0x90 fs/open.c:336 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 ==================================================================