kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 17399 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #248 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: '0:50' (00000000c1d4fae0): kobject_add_internal: parent: 'bdi', set: 'devices' RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:73 [inline] RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:98 [inline] RIP: 0010:scatterwalk_copychunks+0x4b7/0x660 crypto/scatterwalk.c:55 Code: 4c 89 f0 48 c1 e8 03 80 3c 08 00 0f 85 2b 01 00 00 49 8d 45 08 4d 89 2e 48 bf 00 00 00 00 00 fc ff df 48 89 45 b0 48 c1 e8 03 <0f> b6 04 38 84 c0 74 08 3c 03 0f 8e f4 00 00 00 48 8b 45 c8 45 8b RSP: 0018:ffff8801bd0c6af0 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000025 RCX: dffffc0000000000 RDX: 0000000000040000 RSI: ffffffff838c28b2 RDI: dffffc0000000000 RBP: ffff8801bd0c6b50 R08: ffff8801cc7da580 R09: ffffed00311aa003 R10: ffffed00311aa004 R11: ffff880188d50024 R12: 0000000000000025 R13: 0000000000000000 R14: ffff8801bd0c6b98 R15: 0000000000000008 FS: 00007efdea7c0700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff8bc952000 CR3: 00000001bec34000 CR4: 00000000001406e0 Call Trace: scatterwalk_map_and_copy+0x1df/0x2c0 crypto/scatterwalk.c:72 gcmaes_crypt_by_sg+0x1246/0x2110 arch/x86/crypto/aesni-intel_glue.c:908 gcmaes_encrypt.constprop.15+0x7d7/0x1190 arch/x86/crypto/aesni-intel_glue.c:929 generic_gcmaes_encrypt+0x12d/0x186 arch/x86/crypto/aesni-intel_glue.c:1294 crypto_aead_encrypt include/crypto/aead.h:335 [inline] gcmaes_wrapper_encrypt+0x162/0x200 arch/x86/crypto/aesni-intel_glue.c:1127 crypto_aead_encrypt include/crypto/aead.h:335 [inline] tls_do_encryption net/tls/tls_sw.c:193 [inline] tls_push_record+0x9ca/0x1480 net/tls/tls_sw.c:228 tls_sw_sendpage+0x5fb/0xef0 net/tls/tls_sw.c:583 inet_sendpage+0x1de/0x740 net/ipv4/af_inet.c:815 kernel_sendpage+0x93/0xf0 net/socket.c:3327 sock_sendpage+0x8c/0xc0 net/socket.c:846 pipe_to_sendpage+0x2d0/0x400 fs/splice.c:452 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x38b/0x7c0 fs/splice.c:627 splice_from_pipe+0x1ec/0x340 fs/splice.c:662 generic_splice_sendpage+0x3c/0x50 fs/splice.c:833 do_splice_from fs/splice.c:852 [inline] direct_splice_actor+0x128/0x190 fs/splice.c:1019 splice_direct_to_actor+0x318/0x8f0 fs/splice.c:974 do_splice_direct+0x2d4/0x420 fs/splice.c:1062 do_sendfile+0x62a/0xe20 fs/read_write.c:1440 __do_sys_sendfile64 fs/read_write.c:1495 [inline] __se_sys_sendfile64 fs/read_write.c:1487 [inline] __x64_sys_sendfile64+0x15d/0x250 fs/read_write.c:1487 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: 1d b4 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007efdea7bfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007efdea7c06d4 RCX: 0000000000457679 RDX: 0000000020000000 RSI: 0000000000000004 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000005 R13: 00000000004d50d0 R14: 00000000004c3512 R15: 0000000000000006 Modules linked in: kobject: '0:50' (00000000c1d4fae0): kobject_uevent_env kobject: 'loop5' (00000000d82c3a7c): kobject_uevent_env kobject: 'loop5' (00000000d82c3a7c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: '0:50' (00000000c1d4fae0): fill_kobj_path: path = '/devices/virtual/bdi/0:50' kobject: 'loop4' (00000000e150a3ce): kobject_uevent_env kobject: 'loop4' (00000000e150a3ce): fill_kobj_path: path = '/devices/virtual/block/loop4' ---[ end trace f7b2e72bbd31e3b5 ]--- RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:73 [inline] RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:98 [inline] RIP: 0010:scatterwalk_copychunks+0x4b7/0x660 crypto/scatterwalk.c:55 Code: 4c 89 f0 48 c1 e8 03 80 3c 08 00 0f 85 2b 01 00 00 49 8d 45 08 4d 89 2e 48 bf 00 00 00 00 00 fc ff df 48 89 45 b0 48 c1 e8 03 <0f> b6 04 38 84 c0 74 08 3c 03 0f 8e f4 00 00 00 48 8b 45 c8 45 8b RSP: 0018:ffff8801bd0c6af0 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000025 RCX: dffffc0000000000 RDX: 0000000000040000 RSI: ffffffff838c28b2 RDI: dffffc0000000000 RBP: ffff8801bd0c6b50 R08: ffff8801cc7da580 R09: ffffed00311aa003 R10: ffffed00311aa004 R11: ffff880188d50024 R12: 0000000000000025 R13: 0000000000000000 R14: ffff8801bd0c6b98 R15: 0000000000000008 FS: 00007efdea7c0700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000002380978 CR3: 00000001bec34000 CR4: 00000000001406f0