R10: 0000000000000080 R11: 0000000000000246 R12: 00007f5c9637a6d4 R13: 00000000004c5fa3 R14: 00000000004da748 R15: 0000000000000005 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access kobject: 'loop1' (000000004309045d): fill_kobj_path: path = '/devices/virtual/block/loop1' general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 29065 Comm: syz-executor.4 Not tainted 4.19.38 #6 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:73 [inline] RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:98 [inline] RIP: 0010:scatterwalk_done include/crypto/scatterwalk.h:106 [inline] RIP: 0010:gcmaes_crypt_by_sg.constprop.0+0xde2/0x1850 arch/x86/crypto/aesni-intel_glue.c:868 Code: 82 f3 f9 ff ff e8 ee f0 35 00 4c 89 f7 e8 f6 57 ec 01 48 8d 78 08 49 89 c6 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e a5 09 00 00 41 8b 46 08 89 84 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=8241 sclass=netlink_route_socket pig=29083 comm=syz-executor.0 RSP: 0018:ffff88805a47ef90 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 000000000000009d RCX: ffffc9000e6b3000 RDX: 0000000000000001 RSI: ffffffff8321d78b RDI: 0000000000000008 RBP: ffff88805a47f2d0 R08: ffff888083378380 R09: 000000000000000d R10: ffff88808abdcec0 R11: 0000000000000010 R12: 0000000000000000 kobject: 'loop5' (0000000053c2cef1): kobject_uevent_env R13: 000000000000009d R14: 0000000000000000 R15: 0000000000000070 FS: 00007f5c9637a700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000008df4d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject: 'loop5' (0000000053c2cef1): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000046f3b3e7): kobject_uevent_env gcmaes_encrypt.constprop.0+0x62d/0xd90 arch/x86/crypto/aesni-intel_glue.c:932 kobject: 'loop3' (0000000046f3b3e7): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1804 audit(1556853967.384:103): pid=29094 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir105162120/syzkaller.VLOp61/415/bus" dev="sda1" ino=17329 res=1 generic_gcmaes_encrypt+0x108/0x159 arch/x86/crypto/aesni-intel_glue.c:1297 crypto_aead_encrypt include/crypto/aead.h:335 [inline] gcmaes_wrapper_encrypt+0x165/0x200 arch/x86/crypto/aesni-intel_glue.c:1130 crypto_aead_encrypt include/crypto/aead.h:335 [inline] tls_do_encryption net/tls/tls_sw.c:193 [inline] tls_push_record+0x9c5/0x13b0 net/tls/tls_sw.c:228 tls_sw_sendpage+0x543/0xd40 net/tls/tls_sw.c:583 XFS (loop1): Invalid superblock magic number inet_sendpage+0x16b/0x630 net/ipv4/af_inet.c:815 kernel_sendpage+0x95/0xf0 net/socket.c:3377 sock_sendpage+0x8b/0xc0 net/socket.c:847 pipe_to_sendpage+0x299/0x370 fs/splice.c:452 audit: type=1804 audit(1556853967.584:104): pid=29105 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir105162120/syzkaller.VLOp61/416/bus" dev="sda1" ino=17313 res=1 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x39a/0x7e0 fs/splice.c:627 splice_from_pipe+0x108/0x170 fs/splice.c:662 generic_splice_sendpage+0x3c/0x50 fs/splice.c:833 do_splice_from fs/splice.c:852 [inline] direct_splice_actor+0x126/0x1a0 fs/splice.c:1019 splice_direct_to_actor+0x2ea/0x890 fs/splice.c:974 do_splice_direct+0x1da/0x2a0 fs/splice.c:1062 do_sendfile+0x597/0xce0 fs/read_write.c:1446 __do_sys_sendfile64 fs/read_write.c:1507 [inline] __se_sys_sendfile64 fs/read_write.c:1493 [inline] __x64_sys_sendfile64+0x1dd/0x220 fs/read_write.c:1493 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5c96379c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f5c96379c90 RCX: 0000000000458da9 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000080 R11: 0000000000000246 R12: 00007f5c9637a6d4 R13: 00000000004c5fa3 R14: 00000000004da748 R15: 0000000000000005 Modules linked in: ---[ end trace 473a2f6a0224d5ee ]--- RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:73 [inline] RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:98 [inline] RIP: 0010:scatterwalk_done include/crypto/scatterwalk.h:106 [inline] RIP: 0010:gcmaes_crypt_by_sg.constprop.0+0xde2/0x1850 arch/x86/crypto/aesni-intel_glue.c:868 Code: 82 f3 f9 ff ff e8 ee f0 35 00 4c 89 f7 e8 f6 57 ec 01 48 8d 78 08 49 89 c6 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e a5 09 00 00 41 8b 46 08 89 84 RSP: 0018:ffff88805a47ef90 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 000000000000009d RCX: ffffc9000e6b3000 RDX: 0000000000000001 RSI: ffffffff8321d78b RDI: 0000000000000008 RBP: ffff88805a47f2d0 R08: ffff888083378380 R09: 000000000000000d R10: ffff88808abdcec0 R11: 0000000000000010 R12: 0000000000000000 R13: 000000000000009d R14: 0000000000000000 R15: 0000000000000070 FS: 00007f5c9637a700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000008df4d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400