general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 1 PID: 16696 Comm: syz-executor.0 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:tls_sk_proto_close+0xd8/0xaf0 net/tls/tls_main.c:304 Code: 02 00 0f 85 16 09 00 00 48 8b 85 f0 02 00 00 4d 8d 6c 24 14 4c 89 ea 48 c1 ea 03 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 4f 07 00 00 RSP: 0018:ffffc90005bcfa40 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffc90002f96000 RDX: 0000000000000002 RSI: ffffffff87cb93a3 RDI: ffff88801c2f9af0 RBP: ffff88801c2f9800 R08: 0000000000000001 R09: 00000000fffffff0 R10: ffffffff87cb9631 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000014 R14: ffff88801e1bd508 R15: 0000000000000001 FS: 00007ff496cc4700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff278b8720 CR3: 000000003d6ac000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tls_sk_proto_close+0x356/0xaf0 net/tls/tls_main.c:327 inet_release+0x12e/0x280 net/ipv4/af_inet.c:427 __sock_release+0xcd/0x280 net/socket.c:649 sock_close+0x18/0x20 net/socket.c:1314 __fput+0x286/0x9f0 fs/file_table.c:280 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 get_signal+0x1bef/0x2220 kernel/signal.c:2602 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ff499790ae9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff496cc4188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: 0000000000000422 RBX: 00007ff4998a40e0 RCX: 00007ff499790ae9 RDX: 0000000000000422 RSI: 0000000020000540 RDI: 0000000000000004 RBP: 00007ff4997eaf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe2a0e4b1f R14: 00007ff496cc4300 R15: 0000000000022000 Modules linked in: ---[ end trace 3c2ee8d72786c234 ]--- RIP: 0010:tls_sk_proto_close+0xd8/0xaf0 net/tls/tls_main.c:304 Code: 02 00 0f 85 16 09 00 00 48 8b 85 f0 02 00 00 4d 8d 6c 24 14 4c 89 ea 48 c1 ea 03 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 4f 07 00 00 RSP: 0018:ffffc90005bcfa40 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffc90002f96000 RDX: 0000000000000002 RSI: ffffffff87cb93a3 RDI: ffff88801c2f9af0 RBP: ffff88801c2f9800 R08: 0000000000000001 R09: 00000000fffffff0 R10: ffffffff87cb9631 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000014 R14: ffff88801e1bd508 R15: 0000000000000001 FS: 00007ff496cc4700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff278b8720 CR3: 000000003d6ac000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 02 00 add (%rax),%al 2: 0f 85 16 09 00 00 jne 0x91e 8: 48 8b 85 f0 02 00 00 mov 0x2f0(%rbp),%rax f: 4d 8d 6c 24 14 lea 0x14(%r12),%r13 14: 4c 89 ea mov %r13,%rdx 17: 48 c1 ea 03 shr $0x3,%rdx 1b: 48 89 44 24 18 mov %rax,0x18(%rsp) 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 4c 89 ea mov %r13,%rdx 31: 83 e2 07 and $0x7,%edx 34: 38 d0 cmp %dl,%al 36: 7f 08 jg 0x40 38: 84 c0 test %al,%al 3a: 0f 85 4f 07 00 00 jne 0x78f