Warning: Permanently added '10.128.0.214' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 94.895028][ T9185] ------------[ cut here ]------------ [ 94.900669][ T9185] ODEBUG: free active (active state 0) object type: timer_list hint: rfcomm_dlc_timeout+0x0/0xe0 [ 94.911427][ T9185] WARNING: CPU: 0 PID: 9185 at lib/debugobjects.c:481 debug_print_object+0x168/0x250 [ 94.920864][ T9185] Kernel panic - not syncing: panic_on_warn set ... [ 94.927443][ T9185] CPU: 0 PID: 9185 Comm: syz-executor605 Not tainted 5.5.0-rc2-syzkaller #0 [ 94.936088][ T9185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.946123][ T9185] Call Trace: [ 94.949394][ T9185] dump_stack+0x197/0x210 [ 94.953717][ T9185] ? debug_print_object+0xa0/0x250 [ 94.958823][ T9185] panic+0x2e3/0x75c [ 94.962702][ T9185] ? add_taint.cold+0x16/0x16 [ 94.967380][ T9185] ? __kasan_check_write+0x14/0x20 [ 94.972471][ T9185] ? __warn.cold+0x14/0x3e [ 94.976865][ T9185] ? __warn+0xd9/0x1cf [ 94.980914][ T9185] ? debug_print_object+0x168/0x250 [ 94.986193][ T9185] __warn.cold+0x2f/0x3e [ 94.990419][ T9185] ? debug_print_object+0x168/0x250 [ 94.995595][ T9185] report_bug+0x289/0x300 [ 94.999910][ T9185] do_error_trap+0x11b/0x200 [ 95.004482][ T9185] do_invalid_op+0x37/0x50 [ 95.008879][ T9185] ? debug_print_object+0x168/0x250 [ 95.014056][ T9185] invalid_op+0x23/0x30 [ 95.018204][ T9185] RIP: 0010:debug_print_object+0x168/0x250 [ 95.023996][ T9185] Code: dd 60 14 70 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 60 14 70 88 48 c7 c7 c0 09 70 88 e8 97 8b b2 fd <0f> 0b 83 05 e3 b3 e6 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 [ 95.043787][ T9185] RSP: 0018:ffffc900020078b8 EFLAGS: 00010082 [ 95.049836][ T9185] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 95.057795][ T9185] RDX: 0000000000000000 RSI: ffffffff815e8b56 RDI: fffff52000400f09 [ 95.065797][ T9185] RBP: ffffc900020078f8 R08: ffff8880992d20c0 R09: ffffed1015d045c9 [ 95.073751][ T9185] R10: ffffed1015d045c8 R11: ffff8880ae822e43 R12: 0000000000000001 [ 95.081711][ T9185] R13: ffffffff899afae0 R14: ffffffff81645b00 R15: ffff8880a9320b28 [ 95.089688][ T9185] ? calc_wheel_index+0x220/0x220 [ 95.094703][ T9185] ? vprintk_func+0x86/0x189 [ 95.099289][ T9185] ? debug_print_object+0x168/0x250 [ 95.104479][ T9185] debug_check_no_obj_freed+0x2d4/0x43f [ 95.110004][ T9185] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.115536][ T9185] kfree+0xf8/0x2c0 [ 95.119326][ T9185] rfcomm_dlc_free+0x20/0x30 [ 95.123908][ T9185] rfcomm_dev_ioctl+0x1b9d/0x1e80 [ 95.128925][ T9185] ? mark_held_locks+0xa4/0xf0 [ 95.133682][ T9185] ? lock_sock_nested+0xe2/0x120 [ 95.138609][ T9185] ? rfcomm_tty_install+0x1e0/0x1e0 [ 95.143787][ T9185] ? lock_sock_nested+0x9a/0x120 [ 95.148711][ T9185] ? trace_hardirqs_on+0x67/0x240 [ 95.153731][ T9185] ? __local_bh_enable_ip+0x15a/0x270 [ 95.159113][ T9185] rfcomm_sock_ioctl+0x90/0xb0 [ 95.163858][ T9185] sock_do_ioctl+0xd8/0x2f0 [ 95.168343][ T9185] ? compat_ifr_data_ioctl+0x160/0x160 [ 95.173816][ T9185] ? tomoyo_path_number_perm+0x454/0x520 [ 95.179450][ T9185] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 95.185677][ T9185] ? tomoyo_path_number_perm+0x25e/0x520 [ 95.191300][ T9185] sock_ioctl+0x3ed/0x790 [ 95.195612][ T9185] ? dlci_ioctl_set+0x40/0x40 [ 95.200280][ T9185] ? __fd_install+0x1bc/0x640 [ 95.204957][ T9185] ? dlci_ioctl_set+0x40/0x40 [ 95.209614][ T9185] do_vfs_ioctl+0x977/0x14e0 [ 95.214188][ T9185] ? compat_ioctl_preallocate+0x220/0x220 [ 95.219907][ T9185] ? __kasan_check_read+0x11/0x20 [ 95.224941][ T9185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.231175][ T9185] ? __fd_install+0x1fb/0x640 [ 95.235841][ T9185] ? tomoyo_file_ioctl+0x23/0x30 [ 95.247717][ T9185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.253941][ T9185] ? security_file_ioctl+0x8d/0xc0 [ 95.259072][ T9185] ksys_ioctl+0xab/0xd0 [ 95.263215][ T9185] __x64_sys_ioctl+0x73/0xb0 [ 95.267786][ T9185] do_syscall_64+0xfa/0x790 [ 95.272270][ T9185] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.278164][ T9185] RIP: 0033:0x4412b9 [ 95.282044][ T9185] 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 [ 95.301637][ T9185] RSP: 002b:00007ffc44308588 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 95.310076][ T9185] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 95.318030][ T9185] RDX: 0000000020000100 RSI: 00000000400452c8 RDI: 0000000000000004 [ 95.325985][ T9185] RBP: 000000000001728e R08: 00000000004002c8 R09: 00000000004002c8 [ 95.333945][ T9185] R10: 00000000004002c8 R11: 0000000000000246 R12: 00000000004020e0 [ 95.342034][ T9185] R13: 0000000000402170 R14: 0000000000000000 R15: 0000000000000000 [ 95.351508][ T9185] Kernel Offset: disabled [ 95.355893][ T9185] Rebooting in 86400 seconds..