netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. BUG: unable to handle kernel paging request at fffffffffffffff5 IP: devpts_mntget+0x13f/0x280 fs/devpts/inode.c:173 PGD 6425067 P4D 6425067 PUD 6427067 PMD 0 Oops: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 9857 Comm: syz-executor3 Not tainted 4.15.0-rc4-mm1+ #49 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:devpts_mntget+0x13f/0x280 fs/devpts/inode.c:173 RSP: 0018:ffff8801c4c3fa50 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffffffffffffed RCX: ffffffff81d37b30 RDX: 1ffffffffffffffe RSI: ffffc9000453b000 RDI: fffffffffffffff5 RBP: ffff8801c4c3fae0 R08: ffffffff86412740 R09: 1ffff10038987f05 R10: ffff8801c4c3f760 R11: 0000000000000000 R12: 1ffff10038987f4a R13: ffff8801c4c3fa70 R14: ffff8801c2a29880 R15: ffff8801c4c3fb20 FS: 00007ff4fac63700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffff5 CR3: 00000001d6332002 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ptm_open_peer+0x11a/0x2f0 drivers/tty/pty.c:632 tty_ioctl+0x517/0x1610 drivers/tty/tty_io.c:2624 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 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452ac9 RSP: 002b:00007ff4fac62c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff4fac63700 RCX: 0000000000452ac9 RDX: 0000000000000000 RSI: 0000000000005441 RDI: 0000000000000014 RBP: 0000000000a2f870 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a2f7ef R14: 00007ff4fac639c0 R15: 0000000000000004 Code: 01 00 00 48 8b 5d 90 e8 90 b8 9c ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 24 01 00 00 <4c> 8b 7b 08 48 b8 00 00 00 00 00 fc ff df 49 8d bf 80 06 00 00 RIP: devpts_mntget+0x13f/0x280 fs/devpts/inode.c:173 RSP: ffff8801c4c3fa50 CR2: fffffffffffffff5 ---[ end trace 0c08b5d27dea0aac ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..