Warning: Permanently added '10.128.0.174' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 109.740800][ T9574] ------------[ cut here ]------------ [ 109.746626][ T9574] ODEBUG: free active (active state 0) object type: timer_list hint: rfcomm_dlc_timeout+0x0/0xe0 [ 109.757628][ T9574] WARNING: CPU: 0 PID: 9574 at lib/debugobjects.c:481 debug_print_object+0x168/0x250 [ 109.767076][ T9574] Kernel panic - not syncing: panic_on_warn set ... [ 109.773674][ T9574] CPU: 0 PID: 9574 Comm: syz-executor919 Not tainted 5.5.0-rc4-syzkaller #0 [ 109.782334][ T9574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.792398][ T9574] Call Trace: [ 109.795679][ T9574] dump_stack+0x197/0x210 [ 109.800004][ T9574] ? debug_print_object+0x110/0x250 [ 109.805189][ T9574] panic+0x2e3/0x75c [ 109.809070][ T9574] ? add_taint.cold+0x16/0x16 [ 109.813756][ T9574] ? __kasan_check_write+0x14/0x20 [ 109.818857][ T9574] ? __warn.cold+0x14/0x3e [ 109.823260][ T9574] ? __warn+0xd9/0x1cf [ 109.827337][ T9574] ? debug_print_object+0x168/0x250 [ 109.832588][ T9574] __warn.cold+0x2f/0x3e [ 109.836837][ T9574] ? debug_print_object+0x168/0x250 [ 109.842025][ T9574] report_bug+0x289/0x300 [ 109.846354][ T9574] do_error_trap+0x11b/0x200 [ 109.850936][ T9574] do_invalid_op+0x37/0x50 [ 109.855339][ T9574] ? debug_print_object+0x168/0x250 [ 109.860550][ T9574] invalid_op+0x23/0x30 [ 109.864694][ T9574] RIP: 0010:debug_print_object+0x168/0x250 [ 109.870482][ T9574] Code: dd 00 8a 71 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 00 8a 71 88 48 c7 c7 60 7f 71 88 e8 b7 22 a6 fd <0f> 0b 83 05 f3 80 dc 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 [ 109.890075][ T9574] RSP: 0018:ffffc90001eb78b8 EFLAGS: 00010082 [ 109.896127][ T9574] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 109.904084][ T9574] RDX: 0000000000000000 RSI: ffffffff815e9606 RDI: fffff520003d6f09 [ 109.912044][ T9574] RBP: ffffc90001eb78f8 R08: ffff8880a27b04c0 R09: ffffed1015d045c9 [ 109.920032][ T9574] R10: ffffed1015d045c8 R11: ffff8880ae822e43 R12: 0000000000000001 [ 109.928001][ T9574] R13: ffffffff899afb20 R14: ffffffff816465b0 R15: ffff88809ec99e38 [ 109.935992][ T9574] ? calc_wheel_index+0x220/0x220 [ 109.941072][ T9574] ? vprintk_func+0x86/0x189 [ 109.945662][ T9574] ? debug_print_object+0x168/0x250 [ 109.950859][ T9574] debug_check_no_obj_freed+0x2d4/0x43f [ 109.956394][ T9574] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.961952][ T9574] kfree+0xf8/0x2c0 [ 109.965755][ T9574] rfcomm_dlc_free+0x20/0x30 [ 109.970377][ T9574] rfcomm_dev_ioctl+0x1b9d/0x1e80 [ 109.975406][ T9574] ? mark_held_locks+0xa4/0xf0 [ 109.980170][ T9574] ? lock_sock_nested+0xe2/0x120 [ 109.985097][ T9574] ? rfcomm_tty_install+0x1e0/0x1e0 [ 109.990289][ T9574] ? lock_sock_nested+0x9a/0x120 [ 109.995217][ T9574] ? trace_hardirqs_on+0x67/0x240 [ 110.000237][ T9574] ? __local_bh_enable_ip+0x15a/0x270 [ 110.005611][ T9574] rfcomm_sock_ioctl+0x90/0xb0 [ 110.010368][ T9574] sock_do_ioctl+0xd8/0x2f0 [ 110.014899][ T9574] ? compat_ifr_data_ioctl+0x160/0x160 [ 110.020368][ T9574] ? tomoyo_path_number_perm+0x454/0x520 [ 110.025994][ T9574] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 110.032229][ T9574] ? tomoyo_path_number_perm+0x25e/0x520 [ 110.037870][ T9574] sock_ioctl+0x3ed/0x790 [ 110.042206][ T9574] ? dlci_ioctl_set+0x40/0x40 [ 110.046888][ T9574] ? __fd_install+0x1bc/0x640 [ 110.051571][ T9574] ? dlci_ioctl_set+0x40/0x40 [ 110.056235][ T9574] do_vfs_ioctl+0x977/0x14e0 [ 110.060820][ T9574] ? compat_ioctl_preallocate+0x220/0x220 [ 110.066549][ T9574] ? __kasan_check_read+0x11/0x20 [ 110.071568][ T9574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 110.077797][ T9574] ? __fd_install+0x1fb/0x640 [ 110.082468][ T9574] ? tomoyo_file_ioctl+0x23/0x30 [ 110.087407][ T9574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 110.093638][ T9574] ? security_file_ioctl+0x8d/0xc0 [ 110.098745][ T9574] ksys_ioctl+0xab/0xd0 [ 110.102898][ T9574] __x64_sys_ioctl+0x73/0xb0 [ 110.107478][ T9574] do_syscall_64+0xfa/0x790 [ 110.111999][ T9574] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.117881][ T9574] RIP: 0033:0x4412b9 [ 110.121765][ T9574] Code: e8 fc ab 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 9b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 110.141366][ T9574] RSP: 002b:00007ffc5223c758 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 110.149796][ T9574] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 110.157756][ T9574] RDX: 0000000020000100 RSI: 00000000400452c8 RDI: 0000000000000004 [ 110.165741][ T9574] RBP: 000000000001ac74 R08: 00000000004002c8 R09: 00000000004002c8 [ 110.173728][ T9574] R10: 00000000004002c8 R11: 0000000000000246 R12: 00000000004020e0 [ 110.181712][ T9574] R13: 0000000000402170 R14: 0000000000000000 R15: 0000000000000000 [ 110.190608][ T9574] Kernel Offset: disabled [ 110.195071][ T9574] Rebooting in 86400 seconds..