R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe6ef33dff R14: 00007f96387bb300 R15: 0000000000022000 Bluetooth: Can't allocate mem for new packet FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 32416 Comm: kworker/u4:7 Not tainted 4.19.206-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 CPU: 1 PID: 20511 Comm: syz-executor.1 Not tainted 4.19.206-syzkaller #0 Workqueue: events_unbound flush_to_ldisc Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_tail_pointer include/linux/skbuff.h:2048 [inline] RIP: 0010:skb_put+0x2b/0x190 net/core/skbuff.c:1706 Call Trace: Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 53 e8 9d 43 f2 fa 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 48 8d bd c8 00 00 00 4c 8b ad d0 00 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 RSP: 0018:ffff88804723fad8 EFLAGS: 00010202 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 RAX: dffffc0000000000 RBX: ffff888045675000 RCX: ffffffff85d23a20 RDX: 000000000000001a RSI: ffffffff86704f23 RDI: 00000000000000d0 RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000db __should_failslab+0x115/0x180 mm/failslab.c:32 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 should_failslab+0x5/0x10 mm/slab_common.c:1590 R13: 000000000000000a R14: ffff8880456750f8 R15: ffff88804567515c slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x284/0x380 mm/slab.c:3623 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] alloc_workqueue_attrs kernel/workqueue.c:3239 [inline] apply_wqattrs_prepare+0x137/0xa50 kernel/workqueue.c:3756 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 apply_workqueue_attrs_locked+0xc5/0x120 kernel/workqueue.c:3866 CR2: 00007ffff3a0bff8 CR3: 00000000a8bee000 CR4: 00000000001406f0 apply_workqueue_attrs kernel/workqueue.c:3899 [inline] alloc_and_link_pwqs kernel/workqueue.c:4015 [inline] __alloc_workqueue_key+0x510/0xed0 kernel/workqueue.c:4128 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000000000000060a hci_register_dev+0x1ce/0x960 net/bluetooth/hci_core.c:3186 Call Trace: hci_uart_register_dev drivers/bluetooth/hci_ldisc.c:690 [inline] hci_uart_set_proto drivers/bluetooth/hci_ldisc.c:714 [inline] hci_uart_tty_ioctl+0x775/0xb20 drivers/bluetooth/hci_ldisc.c:768 skb_put_data include/linux/skbuff.h:2128 [inline] bcsp_unslip_one_byte drivers/bluetooth/hci_bcsp.c:451 [inline] bcsp_recv+0x948/0x1550 drivers/bluetooth/hci_bcsp.c:613 tty_ioctl+0x65d/0x15c0 drivers/tty/tty_io.c:2678 hci_uart_tty_receive+0x221/0x530 drivers/bluetooth/hci_ldisc.c:621 tty_ldisc_receive_buf+0x14a/0x190 drivers/tty/tty_buffer.c:460 tty_port_default_receive_buf+0x78/0xa0 drivers/tty/tty_port.c:38 receive_buf drivers/tty/tty_buffer.c:476 [inline] flush_to_ldisc+0x21f/0x390 drivers/tty/tty_buffer.c:528 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Modules linked in: ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0bcd52b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9 RDX: 0000000000000001 RSI: 00000000400455c8 RDI: 0000000000000003 RBP: 00007f0bcd52b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff3591b39f R14: 00007f0bcd52b300 R15: 0000000000022000 Bluetooth: Can't register HCI device ISO 9660 Extensions: Microsoft Joliet Level 0 isofs_fill_super: root inode is not a directory. Corrupted media? netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 20539 Comm: syz-executor.1 Tainted: G D 4.19.206-syzkaller #0 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+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x284/0x380 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] alloc_workqueue_attrs kernel/workqueue.c:3239 [inline] apply_wqattrs_prepare+0x137/0xa50 kernel/workqueue.c:3756 apply_workqueue_attrs_locked+0xc5/0x120 kernel/workqueue.c:3866 apply_workqueue_attrs kernel/workqueue.c:3899 [inline] alloc_and_link_pwqs kernel/workqueue.c:4015 [inline] __alloc_workqueue_key+0x510/0xed0 kernel/workqueue.c:4128 hci_register_dev+0x1ce/0x960 net/bluetooth/hci_core.c:3186 hci_uart_register_dev drivers/bluetooth/hci_ldisc.c:690 [inline] hci_uart_set_proto drivers/bluetooth/hci_ldisc.c:714 [inline] hci_uart_tty_ioctl+0x775/0xb20 drivers/bluetooth/hci_ldisc.c:768 tty_ioctl+0x65d/0x15c0 drivers/tty/tty_io.c:2678 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0bcd52b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9 RDX: 0000000000000001 RSI: 00000000400455c8 RDI: 0000000000000003 RBP: 00007f0bcd52b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff3591b39f R14: 00007f0bcd52b300 R15: 0000000000022000 Bluetooth: Can't register HCI device netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 20553 Comm: syz-executor.1 Tainted: G D 4.19.206-syzkaller #0 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+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x284/0x380 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] alloc_workqueue_attrs kernel/workqueue.c:3239 [inline] apply_wqattrs_prepare+0x1c4/0xa50 kernel/workqueue.c:3757 apply_workqueue_attrs_locked+0xc5/0x120 kernel/workqueue.c:3866 apply_workqueue_attrs kernel/workqueue.c:3899 [inline] alloc_and_link_pwqs kernel/workqueue.c:4015 [inline] __alloc_workqueue_key+0x510/0xed0 kernel/workqueue.c:4128 hci_register_dev+0x1ce/0x960 net/bluetooth/hci_core.c:3186 hci_uart_register_dev drivers/bluetooth/hci_ldisc.c:690 [inline] hci_uart_set_proto drivers/bluetooth/hci_ldisc.c:714 [inline] hci_uart_tty_ioctl+0x775/0xb20 drivers/bluetooth/hci_ldisc.c:768 tty_ioctl+0x65d/0x15c0 drivers/tty/tty_io.c:2678 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0bcd52b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9 RDX: 0000000000000001 RSI: 00000000400455c8 RDI: 0000000000000003 RBP: 00007f0bcd52b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff3591b39f R14: 00007f0bcd52b300 R15: 0000000000022000 Bluetooth: Can't register HCI device ---[ end trace f29f5488b4e8a23b ]--- RIP: 0010:skb_tail_pointer include/linux/skbuff.h:2048 [inline] RIP: 0010:skb_put+0x2b/0x190 net/core/skbuff.c:1706 Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 53 e8 9d 43 f2 fa 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 48 8d bd c8 00 00 00 4c 8b ad d0 00 RSP: 0018:ffff88804723fad8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888045675000 RCX: ffffffff85d23a20 RDX: 000000000000001a RSI: ffffffff86704f23 RDI: 00000000000000d0 RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000db R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: 000000000000000a R14: ffff8880456750f8 R15: ffff88804567515c FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff35919da8 CR3: 000000003483c000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000000000000060a ---------------- Code disassembly (best guess): 0: 56 push %rsi 1: 41 55 push %r13 3: 41 54 push %r12 5: 41 89 f4 mov %esi,%r12d 8: 55 push %rbp 9: 48 89 fd mov %rdi,%rbp c: 53 push %rbx d: e8 9d 43 f2 fa callq 0xfaf243af 12: 48 8d bd d0 00 00 00 lea 0xd0(%rbp),%rdi 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 43 01 00 00 jne 0x177 34: 48 8d bd c8 00 00 00 lea 0xc8(%rbp),%rdi 3b: 4c rex.WR 3c: 8b .byte 0x8b 3d: ad lods %ds:(%rsi),%eax 3e: d0 00 rolb (%rax)