R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6f5c97d6d4 R13: 00000000004c06b9 R14: 00000000004d2350 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: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.0.0-rc6+ #70 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 9e 72 53 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:ffff8880a99cfcb0 EFLAGS: 00010203 RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c RBP: ffff8880a99cfd30 R08: ffff8880a99bc5c0 R09: ffff8880a99bce88 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808a8f7440 Bluetooth: Can't allocate HCI device R13: ffff8880591e2940 R14: ffff888096606368 R15: ffff88808a8f74b0 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33b24000 CR3: 000000009685e000 CR4: 00000000001426e0 Call Trace: process_one_work+0x98e/0x1790 kernel/workqueue.c:2173 worker_thread+0x98/0xe40 kernel/workqueue.c:2319 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: kobject: 'rfkill15' (000000009d37440c): kobject_add_internal: parent: 'hci0', set: 'devices' kobject: 'loop5' (00000000286e35e5): kobject_uevent_env ptrace attach of "/root/syz-executor.5"[7832] was attempted by "/root/syz-executor.5"[19389] kobject: 'rfkill15' (000000009d37440c): kobject_uevent_env kobject: 'loop5' (00000000286e35e5): fill_kobj_path: path = '/devices/virtual/block/loop5' FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 kobject: 'loop3' (000000001ff91345): kobject_uevent_env CPU: 0 PID: 19392 Comm: syz-executor.1 Tainted: G D 5.0.0-rc6+ #70 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+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'loop3' (000000001ff91345): fill_kobj_path: path = '/devices/virtual/block/loop3' __should_fail_alloc_page mm/page_alloc.c:3152 [inline] should_fail_alloc_page+0x50/0x60 mm/page_alloc.c:3199 kobject: 'loop1' (00000000be1e2ef7): kobject_uevent_env prepare_alloc_pages mm/page_alloc.c:4476 [inline] __alloc_pages_nodemask+0x1a1/0x710 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 kobject: 'loop1' (00000000be1e2ef7): fill_kobj_path: path = '/devices/virtual/block/loop1' 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 Unknown ioctl -2147204314 kmalloc include/linux/slab.h:545 [inline] kzalloc include/linux/slab.h:740 [inline] hci_alloc_dev+0x43/0x1d00 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 kobject: 'kvm' (00000000da695754): kobject_uevent_env tty_ioctl+0xac9/0x14d0 drivers/tty/tty_io.c:2662 x86/PAT: syz-executor.2:19395 map pfn RAM range req write-combining for [mem 0x91e79000-0x91e79fff], got write-back kobject: 'kvm' (00000000da695754): fill_kobj_path: path = '/devices/virtual/misc/kvm' ---[ end trace 53103a4c11d0da11 ]--- vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 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 9e 72 53 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:ffff8880a99cfcb0 EFLAGS: 00010203 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+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000 RIP: 0033:0x457e29 Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6f5c97cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6f5c97cc90 RCX: 0000000000457e29 RDX: 0000000000000002 RSI: 00000000400455c8 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6f5c97d6d4 R13: 00000000004c06b9 R14: 00000000004d2350 R15: 0000000000000004 kasan: CONFIG_KASAN_INLINE enabled kobject: 'rfkill15' (000000009d37440c): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0/rfkill15' kasan: GPF could be caused by NULL-ptr deref or user memory access Bluetooth: Invalid header checksum general protection fault: 0000 [#2] PREEMPT SMP KASAN RBP: ffff8880a99cfd30 R08: ffff8880a99bc5c0 R09: ffff8880a99bce88 CPU: 0 PID: 17461 Comm: kworker/0:5 Tainted: G D 5.0.0-rc6+ #70 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events hci_uart_write_work kobject: 'loop3' (000000001ff91345): kobject_uevent_env 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 9e 72 53 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:ffff8880540d7cb0 EFLAGS: 00010203 RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000 kobject: 'loop3' (000000001ff91345): fill_kobj_path: path = '/devices/virtual/block/loop3' RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c RBP: ffff8880540d7d30 R08: ffff88809660c200 R09: ffffed1012fbcf86 R10: ffffed1012fbcf85 R11: ffff888097de7c2b R12: ffff8880a6353bc0 R13: ffff888057adca40 R14: ffff8880549d3068 R15: ffff8880a6353c30 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808a8f7440 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000073c000 CR3: 00000000890eb000 CR4: 00000000001426f0 Call Trace: R13: ffff8880591e2940 R14: ffff888096606368 R15: ffff88808a8f74b0 process_one_work+0x98e/0x1790 kernel/workqueue.c:2173 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 worker_thread+0x98/0xe40 kernel/workqueue.c:2319 kthread+0x357/0x430 kernel/kthread.c:246 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ptrace attach of "/root/syz-executor.5"[7832] was attempted by "/root/syz-executor.5"[19408] ---[ end trace 53103a4c11d0da12 ]--- kobject: 'loop0' (00000000a062ee65): kobject_uevent_env RIP: 0010:hci_uart_write_work+0x1b6/0x710 drivers/bluetooth/hci_ldisc.c:180 kobject: 'kvm' (00000000da695754): kobject_uevent_env Code: 0f 85 6a 04 00 00 49 8b b4 24 c8 00 00 00 4c 89 ef e8 9e 72 53 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 CR2: 00007f9eab25a000 CR3: 00000000890eb000 CR4: 00000000001426e0 RSP: 0018:ffff8880a99cfcb0 EFLAGS: 00010203 kobject: 'loop0' (00000000a062ee65): fill_kobj_path: path = '/devices/virtual/block/loop0' Unknown ioctl -2143271673 kobject: 'kvm' (00000000da695754): fill_kobj_path: path = '/devices/virtual/misc/kvm' RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000