[ 37.392698] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.201' (ECDSA) to the list of known hosts. [ 43.052060] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 43.173048] audit: type=1400 audit(1579135300.339:36): avc: denied { map } for pid=7307 comm="syz-executor577" path="/root/syz-executor577666368" 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 [ 43.256654] BUG: unable to handle kernel paging request at 000000010000000e [ 43.256671] IP: csi_J+0x32d/0x560 [ 43.256674] PGD a073a067 P4D a073a067 PUD 0 [ 43.256686] Oops: 0002 [#1] PREEMPT SMP KASAN [ 43.256690] Modules linked in: [ 43.256699] CPU: 1 PID: 7307 Comm: syz-executor577 Not tainted 4.14.165-syzkaller #0 [ 43.256703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.256707] task: ffff8880a4948480 task.stack: ffff88809f218000 [ 43.256713] RIP: 0010:csi_J+0x32d/0x560 [ 43.256716] RSP: 0018:ffff88809f21f838 EFLAGS: 00010202 [ 43.256722] RAX: 0000000000000720 RBX: ffff88809d1fab40 RCX: 0000000000000001 [ 43.256726] RDX: 1ffff11013a3f5e1 RSI: 0000000000000000 RDI: 000000010000000e [ 43.256730] RBP: ffff88809f21f868 R08: ffff88809d1faf0c R09: 0000000000000002 [ 43.256734] R10: 0000000000000000 R11: ffff8880a4948480 R12: 7fffffff80000001 [ 43.256738] R13: 000000010000000e R14: ffff88809d1fb038 R15: ffff88809d1faf08 [ 43.256743] FS: 000000000119a880(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 [ 43.256747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.256751] CR2: 000000010000000e CR3: 00000000a840e000 CR4: 00000000001406e0 [ 43.256759] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.256763] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.256765] Call Trace: [ 43.256776] do_con_trol+0x3344/0x5b40 [ 43.256783] ? reset_palette+0x180/0x180 [ 43.256794] ? __atomic_notifier_call_chain+0xc2/0x150 [ 43.256803] do_con_write.part.0+0xcc7/0x1b50 [ 43.256810] ? add_wait_queue+0x112/0x170 [ 43.256821] ? do_con_trol+0x5b40/0x5b40 [ 43.256829] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 43.256835] con_write+0x38/0xc0 [ 43.256842] n_tty_write+0x38b/0xf20 [ 43.256852] ? process_echoes+0x150/0x150 [ 43.256857] ? do_wait_intr_irq+0x2a0/0x2a0 [ 43.256865] ? kasan_check_write+0x14/0x20 [ 43.256873] ? _copy_from_user+0x99/0x110 [ 43.256882] tty_write+0x3f6/0x700 [ 43.256890] ? process_echoes+0x150/0x150 [ 43.256899] __vfs_write+0x105/0x6b0 [ 43.256906] ? tty_read+0x270/0x270 [ 43.256912] ? kernel_read+0x120/0x120 [ 43.256920] ? __inode_security_revalidate+0xd6/0x130 [ 43.256926] ? avc_policy_seqno+0x9/0x20 [ 43.256933] ? selinux_file_permission+0x85/0x480 [ 43.256943] ? security_file_permission+0x89/0x1f0 [ 43.256949] ? rw_verify_area+0xea/0x2b0 [ 43.256956] ? putname+0xe0/0x120 [ 43.256963] vfs_write+0x198/0x500 [ 43.256970] SyS_write+0xfd/0x230 [ 43.256976] ? SyS_read+0x230/0x230 [ 43.256983] ? do_syscall_64+0x53/0x640 [ 43.256989] ? SyS_read+0x230/0x230 [ 43.256996] do_syscall_64+0x1e8/0x640 [ 43.257003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.257012] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 43.257017] RIP: 0033:0x4404f9 [ 43.257020] RSP: 002b:00007fff30a87c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.257026] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004404f9 [ 43.257030] RDX: 0000000000000078 RSI: 0000000020000000 RDI: 0000000000000004 [ 43.257034] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 43.257038] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401de0 [ 43.257042] R13: 0000000000401e70 R14: 0000000000000000 R15: 0000000000000000 [ 43.257049] Code: fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 01 0f 8e 69 01 00 00 0f b7 83 c8 03 00 00 d1 e9 4c 89 ef 66 ab 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 80 [ 43.257173] RIP: csi_J+0x32d/0x560 RSP: ffff88809f21f838 [ 43.257175] CR2: 000000010000000e [ 43.257182] ---[ end trace d192bd78c645fedd ]--- [ 43.257186] Kernel panic - not syncing: Fatal exception [ 43.258614] Kernel Offset: disabled [ 43.614680] Rebooting in 86400 seconds..