R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 kasan: CONFIG_KASAN_INLINE enabled Bluetooth: Invalid header checksum kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.0.0-rc1+ #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events hci_uart_write_work RIP: 0010:hci_uart_write_work+0x1b6/0x710 drivers/bluetooth/hci_ldisc.c:180 Code: 0f 85 6a 04 00 00 49 8b b4 24 c8 00 00 00 4c 89 ef e8 3e a8 96 02 89 c6 48 8b 45 d0 48 8d b8 5c 10 00 00 48 89 f8 48 c1 e8 03 <0f> b6 14 18 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 1d Bluetooth: Can't allocate HCI device RSP: 0018:ffff8880a949f960 EFLAGS: 00010203 RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c RBP: ffff8880a949f9e0 R08: 0000000000000006 R09: ffff8880a9494bc8 R10: ffff8880a9494300 R11: 0000000000000000 R12: ffff8880910ae7c0 R13: ffff88808dce4ec0 R14: ffff88809e540b28 R15: ffff8880910ae830 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000008080661 CR3: 0000000094d8a000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace efe1959a64c5ec13 ]--- RIP: 0010:hci_uart_write_work+0x1b6/0x710 drivers/bluetooth/hci_ldisc.c:180 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 Code: 0f 85 6a 04 00 00 49 8b b4 24 c8 00 00 00 4c 89 ef e8 3e a8 96 02 89 c6 48 8b 45 d0 48 8d b8 5c 10 00 00 48 89 f8 48 c1 e8 03 <0f> b6 14 18 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 1d RSP: 0018:ffff8880a949f960 EFLAGS: 00010203 CPU: 1 PID: 7985 Comm: syz-executor087 Tainted: G D 5.0.0-rc1+ #24 RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x15 lib/fault-inject.c:149 RBP: ffff8880a949f9e0 R08: 0000000000000006 R09: ffff8880a9494bc8 R10: ffff8880a9494300 R11: 0000000000000000 R12: ffff8880910ae7c0 R13: ffff88808dce4ec0 R14: ffff88809e540b28 R15: ffff8880910ae830 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 __should_failslab+0x121/0x190 mm/failslab.c:32 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 should_failslab+0x9/0x14 mm/slab_common.c:1603 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3367 [inline] kmem_cache_alloc_trace+0x2d1/0x760 mm/slab.c:3607 CR2: 0000000008080661 CR3: 0000000009871000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kmalloc include/linux/slab.h:545 [inline] kzalloc include/linux/slab.h:740 [inline] hci_alloc_dev+0x148/0x21a0 net/bluetooth/hci_core.c:3116 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400