[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.106' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 41.863045] FAULT_INJECTION: forcing a failure. [ 41.863045] name failslab, interval 1, probability 0, space 0, times 1 [ 41.875141] CPU: 0 PID: 8105 Comm: syz-executor657 Not tainted 4.19.177-syzkaller #0 [ 41.883573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.893129] Call Trace: [ 41.895769] dump_stack+0x1fc/0x2ef [ 41.899401] should_fail.cold+0xa/0xf [ 41.903367] ? setup_fault_attr+0x200/0x200 [ 41.907709] ? lock_acquire+0x170/0x3c0 [ 41.911680] __should_failslab+0x115/0x180 [ 41.915919] should_failslab+0x5/0x10 [ 41.919703] __kmalloc+0x2ab/0x3c0 [ 41.923264] ? tls_push_record+0xff/0x1370 [ 41.927506] ? copy_user_generic_unrolled+0x9e/0xc0 [ 41.932965] tls_push_record+0xff/0x1370 [ 41.937119] ? _copy_from_iter+0x30e/0xb80 [ 41.941363] ? __phys_addr+0x9a/0x110 [ 41.945159] tls_sw_sendmsg+0xbf0/0x1210 [ 41.949226] ? tls_read_size+0x640/0x640 [ 41.953420] ? aa_af_perm+0x230/0x230 [ 41.957740] ? proc_fail_nth_write+0x95/0x1d0 [ 41.962227] inet_sendmsg+0x132/0x5a0 [ 41.966048] ? security_socket_sendmsg+0x83/0xb0 [ 41.970794] ? inet_recvmsg+0x5c0/0x5c0 [ 41.974782] sock_sendmsg+0xc3/0x120 [ 41.978490] __sys_sendto+0x21a/0x320 [ 41.982275] ? __ia32_sys_getpeername+0xb0/0xb0 [ 41.987084] ? fsnotify+0x84e/0xe10 [ 41.990738] ? vfs_write+0x3d7/0x540 [ 41.994467] ? check_preemption_disabled+0x41/0x280 [ 41.999772] ? vfs_write+0x393/0x540 [ 42.003620] ? ksys_write+0x1c8/0x2a0 [ 42.007438] __x64_sys_sendto+0xdd/0x1b0 [ 42.011510] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 42.016110] do_syscall_64+0xf9/0x620 [ 42.019907] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.025095] RIP: 0033:0x43fca9 [ 42.028302] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c4 ff ff ff f7 d8 64 89 01 48 [ 42.047209] RSP: 002b:00007ffd78b16f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 42.054905] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043fca9 [ 42.062178] RDX: 0000000000000001 RSI: 0000000020000180 RDI: 0000000000000003 [ 42.069446] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 42.076709] R10: 0000000000004000 R11: 0000000000000246 R12: 00007ffd78b16f50 [ 42.083982] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 42.104700] kasan: CONFIG_KASAN_INLINE enabled [ 42.109788] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 42.117821] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 42.124054] CPU: 1 PID: 8105 Comm: syz-executor657 Not tainted 4.19.177-syzkaller #0 [ 42.131913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.141354] RIP: 0010:tls_sk_proto_close+0x305/0xc20 [ 42.146452] Code: 00 fc ff df 48 89 44 24 30 48 c1 e8 03 4c 01 f0 48 89 44 24 08 e8 cb fc 6b fa 49 83 e4 fc 49 8d 7c 24 08 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 d1 07 00 00 49 8b 44 24 08 31 ff 49 89 c5 48 [ 42.165475] RSP: 0018:ffff8880a245fba8 EFLAGS: 00010202 [ 42.170886] RAX: 0000000000000001 RBX: ffff88809516a580 RCX: ffffffff86f66433 [ 42.178345] RDX: 0000000000000000 RSI: ffffffff86f66255 RDI: 0000000000000008 [ 42.185689] RBP: ffff8880b0d5cc40 R08: 0000000000000000 R09: 0000000000000000 [ 42.192957] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 [ 42.200388] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880b31e50c0 [ 42.207642] FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 42.215848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.221720] CR2: 00007ffdede54ed0 CR3: 0000000009e6d000 CR4: 00000000001406e0 [ 42.228982] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.236326] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.243583] Call Trace: [ 42.246165] ? tcp_check_oom+0x520/0x520 [ 42.250214] ? tls_write_space+0x320/0x320 [ 42.254448] ? ip_mc_drop_socket+0x16/0x260 [ 42.258933] inet_release+0xd7/0x1e0 [ 42.262668] inet6_release+0x4c/0x70 [ 42.266379] __sock_release+0xcd/0x2a0 [ 42.270265] ? __sock_release+0x2a0/0x2a0 [ 42.274395] sock_close+0x15/0x20 [ 42.277846] __fput+0x2ce/0x890 [ 42.281119] task_work_run+0x148/0x1c0 [ 42.284990] do_exit+0xbf3/0x2be0 [ 42.288474] ? check_preemption_disabled+0x41/0x280 [ 42.293483] ? mm_update_next_owner+0x650/0x650 [ 42.298136] ? vfs_write+0x393/0x540 [ 42.301832] ? ksys_write+0x1c8/0x2a0 [ 42.305619] do_group_exit+0x125/0x310 [ 42.309565] __x64_sys_exit_group+0x3a/0x50 [ 42.313886] do_syscall_64+0xf9/0x620 [ 42.317682] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.322866] RIP: 0033:0x43e9a9 [ 42.326044] Code: Bad RIP value. [ 42.329395] RSP: 002b:00007ffd78b16fb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 42.337111] RAX: ffffffffffffffda RBX: 00000000004af3b0 RCX: 000000000043e9a9 [ 42.344366] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 42.351620] RBP: 0000000000000000 R08: ffffffffffffffc4 R09: 0000000000000000 [ 42.358869] R10: 0000000000004000 R11: 0000000000000246 R12: 00000000004af3b0 [ 42.366327] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 42.373613] Modules linked in: [ 42.377465] ---[ end trace f4ace75330b45bf5 ]--- [ 42.382636] RIP: 0010:tls_sk_proto_close+0x305/0xc20 [ 42.388669] Code: 00 fc ff df 48 89 44 24 30 48 c1 e8 03 4c 01 f0 48 89 44 24 08 e8 cb fc 6b fa 49 83 e4 fc 49 8d 7c 24 08 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 d1 07 00 00 49 8b 44 24 08 31 ff 49 89 c5 48 [ 42.409170] RSP: 0018:ffff8880a245fba8 EFLAGS: 00010202 [ 42.414649] RAX: 0000000000000001 RBX: ffff88809516a580 RCX: ffffffff86f66433 [ 42.421910] RDX: 0000000000000000 RSI: ffffffff86f66255 RDI: 0000000000000008 [ 42.429241] RBP: ffff8880b0d5cc40 R08: 0000000000000000 R09: 0000000000000000 [ 42.436839] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 [ 42.444193] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880b31e50c0 [ 42.451557] FS: 00000000023203c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 42.460095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.466225] CR2: 000000000043e97f CR3: 0000000009e6d000 CR4: 00000000001406e0 [ 42.473549] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.480975] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.489715] Kernel panic - not syncing: Fatal exception [ 42.497298] Kernel Offset: disabled [ 42.500918] Rebooting in 86400 seconds..