R13: 00000000004c096d R14: 00000000004d2550 R15: 0000000000000004 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-rc3+ #43 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 7e 58 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:ffff8880a94a7960 EFLAGS: 00010203 RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c RBP: ffff8880a94a79e0 R08: 0000000000000006 R09: ffff8880a9498bc8 R10: ffff8880a9498300 R11: 0000000000000000 R12: ffff88809777b280 R13: ffff88808c7e2980 R14: ffff8880a0bab328 R15: ffff88809777b2f0 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f133c60c848 CR3: 000000009f241000 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: kobject: '(null)' (000000003065bcf5): kobject_cleanup, parent (null) Bluetooth: Can't allocate HCI device kobject: '(null)' (000000003065bcf5): calling ktype release kobject: 'loop1' (0000000059883655): kobject_uevent_env kobject: 'loop1' (0000000059883655): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000bb95fdbe): kobject_uevent_env kobject: 'loop2' (00000000bb95fdbe): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000f56a59bf): kobject_uevent_env kobject: '(null)' (000000003d13793c): kobject_cleanup, parent (null) kobject: 'loop3' (00000000f56a59bf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: '(null)' (000000003d13793c): calling ktype release kobject: 'loop5' (0000000090c7e4d4): kobject_uevent_env ---[ end trace 2d807deebedaba89 ]--- kobject: 'loop5' (0000000090c7e4d4): fill_kobj_path: path = '/devices/virtual/block/loop5' 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 7e 58 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 kobject: 'loop1' (0000000059883655): kobject_uevent_env kobject: 'loop1' (0000000059883655): fill_kobj_path: path = '/devices/virtual/block/loop1' RSP: 0018:ffff8880a94a7960 EFLAGS: 00010203 kobject: 'loop1' (0000000059883655): kobject_uevent_env RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000 kobject: 'loop1' (0000000059883655): fill_kobj_path: path = '/devices/virtual/block/loop1' FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 kobject: 'loop4' (000000003c385b69): kobject_uevent_env CPU: 0 PID: 10664 Comm: syz-executor5 Tainted: G D 5.0.0-rc3+ #43 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 kobject: 'loop4' (000000003c385b69): fill_kobj_path: path = '/devices/virtual/block/loop4' fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x15 lib/fault-inject.c:149 __should_fail_alloc_page mm/page_alloc.c:3152 [inline] should_fail_alloc_page+0x50/0x60 mm/page_alloc.c:3199 prepare_alloc_pages mm/page_alloc.c:4476 [inline] __alloc_pages_nodemask+0x323/0xdc0 mm/page_alloc.c:4523 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1398 [inline] cache_grow_begin+0x9c/0x8c0 mm/slab.c:2666 cache_alloc_refill mm/slab.c:3033 [inline] ____cache_alloc mm/slab.c:3116 [inline] ____cache_alloc mm/slab.c:3099 [inline] __do_cache_alloc mm/slab.c:3338 [inline] slab_alloc mm/slab.c:3373 [inline] kmem_cache_alloc_trace+0x67f/0x760 mm/slab.c:3607 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 hci_uart_register_dev drivers/bluetooth/hci_ldisc.c:623 [inline] hci_uart_set_proto drivers/bluetooth/hci_ldisc.c:693 [inline] hci_uart_tty_ioctl+0x321/0xa70 drivers/bluetooth/hci_ldisc.c:748 tty_ioctl+0xb62/0x16d0 drivers/tty/tty_io.c:2662 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0x107b/0x17d0 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458099 Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f9e4debcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9e4debcc90 RCX: 0000000000458099 RDX: 0000000000000002 RSI: 00000000400455c8 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9e4debd6d4 R13: 00000000004c096d R14: 00000000004d2550 R15: 0000000000000004 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c RBP: ffff8880a94a79e0 R08: 0000000000000006 R09: ffff8880a9498bc8 R10: ffff8880a9498300 R11: 0000000000000000 R12: ffff88809777b280 R13: ffff88808c7e2980 R14: ffff8880a0bab328 R15: ffff88809777b2f0 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004d76e0 CR3: 000000009fd74000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400