kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 1748 Comm: syz-executor.5 Not tainted 5.3.0-rc5+ #175 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:tls_sk_proto_close+0xe5/0x990 net/tls/tls_main.c:298 Code: 0f 85 3f 08 00 00 49 8b 84 24 c0 02 00 00 4d 8d 75 14 4c 89 f2 48 c1 ea 03 48 89 85 50 ff ff ff 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 2e 06 00 00 RSP: 0018:ffff8880993a7b90 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffc900125fa000 RDX: 0000000000000002 RSI: ffffffff862c9609 RDI: ffff8880927885c0 RBP: ffff8880993a7c48 R08: ffff8880a524a680 R09: ffffed10124f1072 R10: ffffed10124f1071 R11: ffff88809278838b R12: ffff888092788300 R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 FS: 00007f7eb0a16700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000046ee90 CR3: 000000008f7bc000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tls_sk_proto_close+0x35b/0x990 net/tls/tls_main.c:321 tcp_bpf_close+0x17c/0x390 net/ipv4/tcp_bpf.c:582 inet_release+0xed/0x200 net/ipv4/af_inet.c:427 inet6_release+0x53/0x80 net/ipv6/af_inet6.c:470 __sock_release+0xce/0x280 net/socket.c:590 sock_close+0x1e/0x30 net/socket.c:1268 __fput+0x2ff/0x890 fs/file_table.c:280 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath arch/x86/entry/common.c:274 [inline] do_syscall_64+0x5a9/0x6a0 arch/x86/entry/common.c:299 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459879 Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7eb0a15c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000459879 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7eb0a166d4 R13: 00000000004f9012 R14: 00000000004d1b10 R15: 00000000ffffffff Modules linked in: ---[ end trace 3f5c144b17215e74 ]--- RIP: 0010:tls_sk_proto_close+0xe5/0x990 net/tls/tls_main.c:298 Code: 0f 85 3f 08 00 00 49 8b 84 24 c0 02 00 00 4d 8d 75 14 4c 89 f2 48 c1 ea 03 48 89 85 50 ff ff ff 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 2e 06 00 00 RSP: 0018:ffff8880993a7b90 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffc900125fa000 RDX: 0000000000000002 RSI: ffffffff862c9609 RDI: ffff8880927885c0 RBP: ffff8880993a7c48 R08: ffff8880a524a680 R09: ffffed10124f1072 R10: ffffed10124f1071 R11: ffff88809278838b R12: ffff888092788300 R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 FS: 00007f7eb0a16700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f85781a7518 CR3: 000000008f7bc000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400