Warning: Permanently added '10.128.0.114' (ECDSA) to the list of known hosts. syzkaller login: [ 33.852945] audit: type=1400 audit(1587528900.738:8): avc: denied { execmem } for pid=6365 comm="syz-executor226" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 33.853660] FAULT_INJECTION: forcing a failure. [ 33.853660] name failslab, interval 1, probability 0, space 0, times 1 [ 33.886093] CPU: 0 PID: 6365 Comm: syz-executor226 Not tainted 4.14.176-syzkaller #0 [ 33.893970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.903330] Call Trace: [ 33.905916] dump_stack+0x13e/0x194 [ 33.909526] should_fail.cold+0x10a/0x14b [ 33.913656] should_failslab+0xd6/0x130 [ 33.917624] kmem_cache_alloc+0x2b5/0x770 [ 33.921752] ? depot_save_stack+0x10d/0x401 [ 33.926053] get_empty_filp+0x86/0x3e0 [ 33.929916] path_openat+0x8d/0x3c50 [ 33.933610] ? __lock_acquire+0x5f7/0x4620 [ 33.937822] ? trace_hardirqs_on+0x10/0x10 [ 33.942055] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 33.946717] ? __lock_is_held+0xad/0x140 [ 33.950755] do_filp_open+0x18e/0x250 [ 33.954533] ? may_open_dev+0xe0/0xe0 [ 33.958324] ? find_held_lock+0x2d/0x110 [ 33.962363] ? __alloc_fd+0x1bf/0x490 [ 33.966143] ? lock_downgrade+0x6e0/0x6e0 [ 33.970272] ? do_raw_spin_unlock+0x164/0x250 [ 33.974746] ? __alloc_fd+0x1bf/0x490 [ 33.978527] do_sys_open+0x29d/0x3f0 [ 33.982220] ? filp_open+0x60/0x60 [ 33.985757] ? do_syscall_64+0x4c/0x640 [ 33.989716] ? do_sys_open+0x3f0/0x3f0 [ 33.993595] do_syscall_64+0x1d5/0x640 [ 33.997468] entry_SYSCALL_64_after_hwframe+0x42/0xb7 executing program [ 34.002637] RIP: 0033:0x401260 [ 34.005824] RSP: 002b:00007ffc19ae5538 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 34.013510] RAX: ffffffffffffffda RBX: 00007ffc19ae5561 RCX: 0000000000401260 [ 34.020770] RDX: 00007ffc19ae5566 RSI: 0000000000080001 RDI: 00000000004a27b0 [ 34.028128] RBP: 00007ffc19ae5560 R08: 0000000000000000 R09: 0000000000000001 [ 34.035378] R10: 0000000000000032 R11: 0000000000000246 R12: 00000000004a27b0 [ 34.042624] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 34.054045] FAULT_INJECTION: forcing a failure. [ 34.054045] name failslab, interval 1, probability 0, space 0, times 0 [ 34.054066] CPU: 0 PID: 6366 Comm: syz-executor226 Not tainted 4.14.176-syzkaller #0 [ 34.054071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.054075] Call Trace: [ 34.054089] dump_stack+0x13e/0x194 [ 34.054104] should_fail.cold+0x10a/0x14b [ 34.054118] should_failslab+0xd6/0x130 [ 34.054125] __kmalloc+0x2e9/0x7c0 [ 34.054135] ? vc_allocate+0x34f/0x590 [ 34.054145] ? visual_init+0x3b9/0x5e0 [ 34.054154] vc_allocate+0x34f/0x590 [ 34.054162] ? vc_cons_allocated+0x70/0x70 [ 34.054175] con_install+0x4d/0x490 [ 34.054185] ? vc_allocate+0x590/0x590 [ 34.054194] tty_init_dev+0xe1/0x3a0 [ 34.054203] tty_open+0x410/0x9c0 [ 34.054216] ? tty_init_dev+0x3a0/0x3a0 [ 34.054227] ? tty_init_dev+0x3a0/0x3a0 [ 34.054235] chrdev_open+0x1fc/0x540 [ 34.054244] ? cdev_put.part.0+0x50/0x50 [ 34.054258] do_dentry_open+0x732/0xe90 [ 34.054266] ? cdev_put.part.0+0x50/0x50 [ 34.054275] ? __inode_permission+0x7c/0x300 [ 34.054285] vfs_open+0x105/0x220 [ 34.054296] path_openat+0x8ca/0x3c50 [ 34.054315] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 34.054340] do_filp_open+0x18e/0x250 [ 34.054349] ? may_open_dev+0xe0/0xe0 [ 34.054366] ? lock_downgrade+0x6e0/0x6e0 [ 34.054377] ? do_raw_spin_unlock+0x164/0x250 [ 34.054388] ? __alloc_fd+0x1bf/0x490 [ 34.054402] do_sys_open+0x29d/0x3f0 [ 34.054411] ? filp_open+0x60/0x60 [ 34.054424] ? do_syscall_64+0x4c/0x640 [ 34.054432] ? do_sys_open+0x3f0/0x3f0 [ 34.054441] do_syscall_64+0x1d5/0x640 [ 34.054454] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 34.054461] RIP: 0033:0x401260 [ 34.054466] RSP: 002b:00007ffc19ae5598 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 34.054476] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000401260 [ 34.054481] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffc19ae55b0 [ 34.054485] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000e executing program [ 34.054490] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402500 [ 34.054495] R13: 0000000000402590 R14: 0000000000000000 R15: 0000000000000000 [ 34.269536] divide error: 0000 [#1] PREEMPT SMP KASAN [ 34.269539] Modules linked in: [ 34.269546] CPU: 1 PID: 6367 Comm: syz-executor226 Not tainted 4.14.176-syzkaller #0 [ 34.269548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.269551] task: ffff88809838e340 task.stack: ffff8880976c8000 [ 34.269561] RIP: 0010:fbcon_init+0x760/0x19a0 [ 34.269563] RSP: 0018:ffff8880976cf7a0 EFLAGS: 00010246 [ 34.269567] RAX: 0000000000000280 RBX: 0000000000000014 RCX: 1ffff11012ea0f36 [ 34.269570] RDX: 0000000000000000 RSI: ffff8880975079b4 RDI: ffff88821924f478 [ 34.269572] RBP: ffff888097507600 R08: 0000000000000001 R09: 0000000000000000 [ 34.269574] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882192d4040 [ 34.269577] R13: ffff88821924f2c0 R14: ffff888097507934 R15: 00000000000001e0 [ 34.269580] FS: 00000000019d9940(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 34.269583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.269585] CR2: 0000000000000004 CR3: 000000008d797000 CR4: 00000000001406e0 [ 34.269594] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.269596] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.269597] Call Trace: [ 34.269607] visual_init+0x332/0x5e0 [ 34.269612] vc_allocate+0x2c3/0x590 [ 34.269617] ? vc_cons_allocated+0x70/0x70 [ 34.269622] con_install+0x4d/0x490 [ 34.269627] ? vc_allocate+0x590/0x590 [ 34.269632] tty_init_dev+0xe1/0x3a0 [ 34.269643] tty_open+0x410/0x9c0 [ 34.269648] ? tty_init_dev+0x3a0/0x3a0 [ 34.269655] ? kobject_get_unless_zero+0x7f/0xc0 [ 34.269660] ? tty_init_dev+0x3a0/0x3a0 [ 34.269665] chrdev_open+0x1fc/0x540 [ 34.269669] ? cdev_put.part.0+0x50/0x50 [ 34.269675] do_dentry_open+0x732/0xe90 [ 34.269679] ? cdev_put.part.0+0x50/0x50 [ 34.269684] ? __inode_permission+0x7c/0x300 [ 34.269688] vfs_open+0x105/0x220 [ 34.269693] path_openat+0x8ca/0x3c50 [ 34.269700] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 34.269710] do_filp_open+0x18e/0x250 [ 34.269714] ? may_open_dev+0xe0/0xe0 [ 34.269723] ? lock_downgrade+0x6e0/0x6e0 [ 34.269728] ? do_raw_spin_unlock+0x164/0x250 [ 34.269734] ? __alloc_fd+0x1bf/0x490 [ 34.269740] do_sys_open+0x29d/0x3f0 [ 34.269744] ? filp_open+0x60/0x60 [ 34.269751] ? do_syscall_64+0x4c/0x640 [ 34.269754] ? do_sys_open+0x3f0/0x3f0 [ 34.269759] do_syscall_64+0x1d5/0x640 [ 34.269766] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 34.269770] RIP: 0033:0x401260 [ 34.269772] RSP: 002b:00007ffc19ae5598 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 34.269776] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000401260 [ 34.269778] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffc19ae55b0 [ 34.269780] RBP: 0000000000008516 R08: 0000000000000000 R09: 000000000000000e [ 34.269782] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402500 [ 34.269785] R13: 0000000000402590 R14: 0000000000000000 R15: 0000000000000000 [ 34.269789] Code: 30 48 ba 00 00 00 00 00 fc ff df 8b 44 24 18 48 c1 e9 03 0f b6 14 11 84 d2 74 09 80 fa 03 0f 8e c3 0f 00 00 31 d2 48 8b 74 24 38 b5 b0 03 00 00 48 89 f2 48 c1 ea 03 89 44 24 18 48 b8 00 00 [ 34.269867] RIP: fbcon_init+0x760/0x19a0 RSP: ffff8880976cf7a0 [ 34.269890] ---[ end trace 4c5f4e8b91d32a41 ]--- [ 34.269894] Kernel panic - not syncing: Fatal exception [ 34.271193] Kernel Offset: disabled [ 34.588416] Rebooting in 86400 seconds..