BUG: stack guard page was hit at ffffc900035efff8 (stack is ffffc900035f0000..ffffc900035f7fff) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 14559 Comm: syz-executor.5 Not tainted 5.14.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:write_comp_data kernel/kcov.c:218 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x17/0x70 kernel/kcov.c:284 Code: 30 f0 4c 89 54 d8 20 48 89 10 5b c3 0f 1f 80 00 00 00 00 41 89 f8 bf 03 00 00 00 4c 8b 14 24 89 f1 65 48 8b 34 25 00 f0 01 00 54 f0 ff ff 84 c0 74 4b 48 8b 86 18 15 00 00 8b b6 14 15 00 00 RSP: 0018:ffffc900035f0000 EFLAGS: 00010216 RAX: 0000000000000189 RBX: 1ffff920006be008 RCX: 0000000000000006 RDX: 0000000000040000 RSI: ffff88801b82b880 RDI: 0000000000000003 RBP: ffffc900035f00c8 R08: 000000000000011a R09: 0000000000000004 R10: ffffffff87c243c0 R11: 0000000000000000 R12: ffff8880352ce400 R13: 0000000000000006 R14: 000000000000001f R15: dffffc0000000000 FS: 00007f720b597700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900035efff8 CR3: 00000000691ec000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tls_setsockopt+0x90/0xe60 net/tls/tls_main.c:620 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 tls_setsockopt+0x128/0xe60 net/tls/tls_main.c:621 __sys_setsockopt+0x2db/0x610 net/socket.c:2170 __do_sys_setsockopt net/socket.c:2181 [inline] __se_sys_setsockopt net/socket.c:2178 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2178 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665e9 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:00007f720b597188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 000000000000001f RSI: 0000000000000006 RDI: 0000000000000005 RBP: 00000000004bfcc4 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffd2d9b861f R14: 00007f720b597300 R15: 0000000000022000 Modules linked in: ---[ end trace 441cce28528bfd6c ]--- RIP: 0010:write_comp_data kernel/kcov.c:218 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x17/0x70 kernel/kcov.c:284 Code: 30 f0 4c 89 54 d8 20 48 89 10 5b c3 0f 1f 80 00 00 00 00 41 89 f8 bf 03 00 00 00 4c 8b 14 24 89 f1 65 48 8b 34 25 00 f0 01 00 54 f0 ff ff 84 c0 74 4b 48 8b 86 18 15 00 00 8b b6 14 15 00 00 RSP: 0018:ffffc900035f0000 EFLAGS: 00010216 RAX: 0000000000000189 RBX: 1ffff920006be008 RCX: 0000000000000006 RDX: 0000000000040000 RSI: ffff88801b82b880 RDI: 0000000000000003 RBP: ffffc900035f00c8 R08: 000000000000011a R09: 0000000000000004 R10: ffffffff87c243c0 R11: 0000000000000000 R12: ffff8880352ce400 R13: 0000000000000006 R14: 000000000000001f R15: dffffc0000000000 FS: 00007f720b597700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900035efff8 CR3: 00000000691ec000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400