Warning: Permanently added '10.128.10.45' (ECDSA) to the list of known hosts. [ 43.616370] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 43.738077] audit: type=1400 audit(1575365376.404:36): avc: denied { map } for pid=7164 comm="syz-executor856" path="/root/syz-executor856563590" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 43.872401] kasan: CONFIG_KASAN_INLINE enabled [ 43.872412] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 43.872423] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 43.872426] Modules linked in: [ 43.872436] CPU: 1 PID: 7164 Comm: syz-executor856 Not tainted 4.14.157-syzkaller #0 [ 43.872449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.872453] task: ffff888084eb8400 task.stack: ffff888083818000 [ 43.872468] RIP: 0010:do_con_write.part.0+0x7d6/0x1b50 [ 43.872471] RSP: 0018:ffff88808381f840 EFLAGS: 00010203 [ 43.872477] RAX: 0000000020000001 RBX: 000000010000000e RCX: 0000000000000002 [ 43.872481] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88809ec52c7d [ 43.872485] RBP: ffff88808381f990 R08: ffffffff870e59e8 R09: 0000000000000000 [ 43.872490] R10: 0000000000000000 R11: ffff888084eb8400 R12: dffffc0000000000 [ 43.872494] R13: 00000000000007fe R14: ffff88809ec52c8c R15: ffff88809ec52900 [ 43.872500] FS: 000000000181c880(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 [ 43.872504] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.872508] CR2: 00007fc5a9d1a000 CR3: 00000000a7ca0000 CR4: 00000000001406e0 [ 43.872515] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.872519] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.872521] Call Trace: [ 43.872537] ? do_con_trol+0x5b40/0x5b40 [ 43.872547] ? n_tty_receive_buf_common+0x958/0x2410 [ 43.872556] ? do_con_write.part.0+0x1b50/0x1b50 [ 43.872562] con_put_char+0xb8/0xc0 [ 43.872568] ? do_con_write.part.0+0x1b50/0x1b50 [ 43.872576] tty_put_char+0xac/0x130 [ 43.872582] ? dev_match_devt+0x90/0x90 [ 43.872589] ? con_write_room+0x4c/0x60 [ 43.872595] ? vt_console_device+0xb0/0xb0 [ 43.872602] __process_echoes+0x2ce/0x8a0 [ 43.872612] n_tty_receive_buf_common+0x998/0x2410 [ 43.872625] ? n_tty_receive_buf2+0x40/0x40 [ 43.872633] n_tty_receive_buf+0x31/0x3b [ 43.872640] tty_ioctl+0xded/0x1320 [ 43.872647] ? tty_vhangup+0x30/0x30 [ 43.872659] ? __might_sleep+0x93/0xb0 [ 43.872669] ? tty_vhangup+0x30/0x30 [ 43.872677] do_vfs_ioctl+0x7ae/0x1060 [ 43.872686] ? selinux_file_mprotect+0x5d0/0x5d0 [ 43.872694] ? ioctl_preallocate+0x1c0/0x1c0 [ 43.872700] ? putname+0xe0/0x120 [ 43.872709] ? do_sys_open+0x221/0x430 [ 43.872719] ? security_file_ioctl+0x7d/0xb0 [ 43.872725] ? security_file_ioctl+0x89/0xb0 [ 43.872733] SyS_ioctl+0x8f/0xc0 [ 43.872739] ? do_vfs_ioctl+0x1060/0x1060 [ 43.872749] do_syscall_64+0x1e8/0x640 [ 43.872756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.872766] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 43.872771] RIP: 0033:0x444099 [ 43.872775] RSP: 002b:00007ffd0e53c318 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.872782] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000444099 [ 43.872786] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 43.872790] RBP: 00000000006ce018 R08: 00000000004002e0 R09: 00000000004002e0 [ 43.872793] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000401da0 [ 43.872795] R13: 0000000000401e30 R14: 0000000000000000 R15: 0000000000000000 [ 43.872802] Code: 66 44 03 ad 30 ff ff ff e8 68 a2 0f fe 48 8b 85 f0 fe ff ff 80 38 00 0f 85 97 11 00 00 49 8b 9f a0 03 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 14 20 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f [ 43.872936] RIP: do_con_write.part.0+0x7d6/0x1b50 RSP: ffff88808381f840 [ 43.872945] ---[ end trace d4335c0ded3617ee ]--- [ 43.872949] Kernel panic - not syncing: Fatal exception [ 43.874746] Kernel Offset: disabled [ 44.215620] Rebooting in 86400 seconds..