Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.185' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 31.882036] kasan: CONFIG_KASAN_INLINE enabled [ 31.886771] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 31.896436] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 31.902667] CPU: 1 PID: 8067 Comm: syz-executor191 Not tainted 4.19.211-syzkaller #0 [ 31.910523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 31.919866] RIP: 0010:tls_push_sg+0x219/0x7c0 [ 31.924340] Code: 89 04 24 4c 89 e7 e8 86 be 69 fa 49 39 ec 75 ab e8 6c bd 69 fa 49 8d 7e 08 48 b9 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 <80> 3c 08 00 0f 85 b3 04 00 00 49 8b 5e 08 31 ff 48 89 dd 83 e5 01 [ 31.943220] RSP: 0018:ffff888095f7fa70 EFLAGS: 00010202 [ 31.948557] RAX: 0000000000000001 RBX: 0000000000000000 RCX: dffffc0000000000 [ 31.955802] RDX: 0000000000000000 RSI: ffffffff86f8c804 RDI: 0000000000000008 [ 31.963048] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 31.970295] R10: 0000000000000006 R11: 0000000000000000 R12: 0000000000000000 [ 31.977540] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88809ea9c040 [ 31.984786] FS: 00005555571ee300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 31.992990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.998849] CR2: 0000000000000000 CR3: 00000000a9163000 CR4: 00000000003406e0 [ 32.006098] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.013369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.020624] Call Trace: [ 32.023204] tls_push_record+0xb4e/0x1370 [ 32.027338] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 32.031903] tls_sk_proto_close+0x8cf/0xc20 [ 32.036206] ? mark_held_locks+0xf0/0xf0 [ 32.040249] ? tcp_check_oom+0x520/0x520 [ 32.044288] ? tls_write_space+0x320/0x320 [ 32.048500] ? ip_mc_drop_socket+0x16/0x260 [ 32.052864] inet_release+0xd7/0x1e0 [ 32.056556] inet6_release+0x4c/0x70 [ 32.060247] __sock_release+0xcd/0x2a0 [ 32.064110] ? __sock_release+0x2a0/0x2a0 [ 32.068233] sock_close+0x15/0x20 [ 32.071665] __fput+0x2ce/0x890 [ 32.074926] task_work_run+0x148/0x1c0 [ 32.078839] do_exit+0xbf3/0x2be0 [ 32.082272] ? tls_setsockopt+0xaa/0x740 [ 32.086319] ? mm_update_next_owner+0x650/0x650 [ 32.090964] ? __sys_setsockopt+0x179/0x240 [ 32.095262] ? do_writev+0x21d/0x330 [ 32.098954] do_group_exit+0x125/0x310 [ 32.102821] __x64_sys_exit_group+0x3a/0x50 [ 32.107122] do_syscall_64+0xf9/0x620 [ 32.110903] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 32.116068] RIP: 0033:0x7f67b6eeae29 [ 32.119762] Code: Bad RIP value. [ 32.123101] RSP: 002b:00007ffc50c0dd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 32.130784] RAX: ffffffffffffffda RBX: 00007f67b6f5e270 RCX: 00007f67b6eeae29 [ 32.138037] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 32.145281] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000 [ 32.152539] R10: 0000000000000028 R11: 0000000000000246 R12: 00007f67b6f5e270 [ 32.159791] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 32.167044] Modules linked in: [ 32.174030] ---[ end trace 3573dbef9a90c10f ]--- [ 32.178840] RIP: 0010:tls_push_sg+0x219/0x7c0 [ 32.183332] Code: 89 04 24 4c 89 e7 e8 86 be 69 fa 49 39 ec 75 ab e8 6c bd 69 fa 49 8d 7e 08 48 b9 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 <80> 3c 08 00 0f 85 b3 04 00 00 49 8b 5e 08 31 ff 48 89 dd 83 e5 01 [ 32.202418] RSP: 0018:ffff888095f7fa70 EFLAGS: 00010202 [ 32.207922] RAX: 0000000000000001 RBX: 0000000000000000 RCX: dffffc0000000000 [ 32.215224] RDX: 0000000000000000 RSI: ffffffff86f8c804 RDI: 0000000000000008 [ 32.222570] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 32.229872] R10: 0000000000000006 R11: 0000000000000000 R12: 0000000000000000 [ 32.237353] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88809ea9c040 [ 32.246191] FS: 00005555571ee300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 32.254560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.260436] CR2: 00007ffdd762fff8 CR3: 0000000009e6d000 CR4: 00000000003406f0 [ 32.267740] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.275102] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.282364] Kernel panic - not syncing: Fatal exception [ 32.288026] Kernel Offset: disabled [ 32.291683] Rebooting in 86400 seconds..