input: syz0 as /devices/virtual/input/input13 input: syz0 as /devices/virtual/input/input14 input: syz0 as /devices/virtual/input/input15 input: syz0 as /devices/virtual/input/input16 input: syz0 as /devices/virtual/input/input17 BUG: sleeping function called from invalid context at arch/x86/mm/fault.c:1385 in_atomic(): 0, irqs_disabled(): 1, pid: 6346, name: syz-executor.5 1 lock held by syz-executor.5/6346: #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1371 irq event stamp: 8792810 hardirqs last enabled at (8792809): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (8792809): [] _raw_spin_unlock_irqrestore+0x67/0xe0 kernel/locking/spinlock.c:192 hardirqs last disabled at (8792810): [] syscall_return_slowpath arch/x86/entry/common.c:269 [inline] hardirqs last disabled at (8792810): [] do_syscall_64+0x2c9/0x640 arch/x86/entry/common.c:297 softirqs last enabled at (8776200): [] __do_softirq+0x664/0x9bf kernel/softirq.c:314 softirqs last disabled at (8776179): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (8776179): [] irq_exit+0x15b/0x1a0 kernel/softirq.c:409 CPU: 0 PID: 6346 Comm: syz-executor.5 Not tainted 4.14.180-syzkaller #0 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+0x13e/0x194 lib/dump_stack.c:58 ___might_sleep.cold+0x1bd/0x1f9 kernel/sched/core.c:6041 __do_page_fault+0x2f0/0xb40 arch/x86/mm/fault.c:1385 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1122 RIP: 0010: (null) RSP: 0018:ffff88805b2d7f18 EFLAGS: 00010046 RAX: ffff88805b2ce140 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805b2ce148 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 BUG: unable to handle kernel NULL pointer dereference at (null) IP: (null) PGD 5b2a1067 P4D 5b2a1067 PUD 5b2a2067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 6346 Comm: syz-executor.5 Tainted: G W 4.14.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88805b2ce140 task.stack: ffff88805b2d0000 RIP: 0010: (null) RSP: 0018:ffff88805b2d7f18 EFLAGS: 00010046 RAX: ffff88805b2ce140 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805b2ce148 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000e46940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000005b2a0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: Code: Bad RIP value. RIP: (null) RSP: ffff88805b2d7f18 CR2: 0000000000000000 ---[ end trace 0e2996996f52d33d ]---