RDX: 0000000000000000 RSI: 00000000203e0000 RDI: ffffffffffffff9c
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000435 R14: 00000000006f8598 R15: 0000000000000005
CPU: 0 PID: 23392 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #7
Kernel panic - not syncing: n_tty: init_tty
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x24d lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:422 [inline]
 slab_alloc mm/slab.c:3366 [inline]
 kmem_cache_alloc+0x47/0x760 mm/slab.c:3540
 __d_alloc+0xc1/0xbd0 fs/dcache.c:1610
 d_alloc_pseudo+0x1d/0x30 fs/dcache.c:1732
 __shmem_file_setup+0x1c1/0x6a0 mm/shmem.c:4221
 shmem_file_setup mm/shmem.c:4276 [inline]
 SYSC_memfd_create mm/shmem.c:3736 [inline]
 SyS_memfd_create+0x3ba/0x4c0 mm/shmem.c:3679
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x454e79
RSP: 002b:00007fb9c8238bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000500 RCX: 0000000000454e79
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004b9c15
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000500 R11: 0000000000000246 R12: 0000000000000013
R13: 0000000000000663 R14: 00000000006fb9e8 R15: 0000000000000001
CPU: 1 PID: 23377 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x24d lib/dump_stack.c:53
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
 panic+0x1e4/0x41c kernel/panic.c:183
 tty_ldisc_init+0x69/0x70 drivers/tty/tty_ldisc.c:831
 alloc_tty_struct+0x18b/0xa20 drivers/tty/tty_io.c:2819
 tty_init_dev+0x78/0x4b0 drivers/tty/tty_io.c:1317
 ptmx_open+0xf3/0x310 drivers/tty/pty.c:832
 chrdev_open+0x257/0x730 fs/char_dev.c:417
 do_dentry_open+0x667/0xd40 fs/open.c:752
 vfs_open+0x107/0x220 fs/open.c:866
 do_last fs/namei.c:3379 [inline]
 path_openat+0x1151/0x3530 fs/namei.c:3519
 do_filp_open+0x25b/0x3b0 fs/namei.c:3554
 do_sys_open+0x502/0x6d0 fs/open.c:1059
 SYSC_openat fs/open.c:1086 [inline]
 SyS_openat+0x30/0x40 fs/open.c:1080
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x454e79
RSP: 002b:00007fe0d2c1cc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fe0d2c1d6d4 RCX: 0000000000454e79
RDX: 0000000000000000 RSI: 00000000203e0000 RDI: ffffffffffffff9c
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000435 R14: 00000000006f8598 R15: 0000000000000005
CPU: 0 PID: 23375 Comm: syz-executor6 Not tainted 4.16.0-rc7+ #7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x24d lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:422 [inline]
 slab_alloc mm/slab.c:3366 [inline]
 kmem_cache_alloc+0x47/0x760 mm/slab.c:3540
 kmem_cache_zalloc include/linux/slab.h:691 [inline]
 __kernfs_new_node+0xe2/0x570 fs/kernfs/dir.c:633
 kernfs_new_node+0x80/0xe0 fs/kernfs/dir.c:679
 kernfs_create_dir_ns+0x41/0x140 fs/kernfs/dir.c:1000
 kernfs_create_dir include/linux/kernfs.h:501 [inline]
 internal_create_group+0xf7/0x8d0 fs/sysfs/group.c:122
 sysfs_create_group+0x1f/0x30 fs/sysfs/group.c:154
 loop_sysfs_init drivers/block/loop.c:792 [inline]
 loop_set_fd drivers/block/loop.c:932 [inline]
 lo_ioctl+0xc5c/0x1b70 drivers/block/loop.c:1358
 __blkdev_driver_ioctl block/ioctl.c:303 [inline]
 blkdev_ioctl+0x1759/0x1e00 block/ioctl.c:601
 block_ioctl+0xde/0x120 fs/block_dev.c:1875
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x454ce7
RSP: 002b:00007f0994090bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000200002e8 RCX: 0000000000454ce7
RDX: 0000000000000014 RSI: 0000000000004c00 RDI: 0000000000000015
RBP: 0000000000000001 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000014
R13: 000000000000066a R14: 00000000006fba90 R15: 0000000000000008
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..