Warning: Permanently added '10.128.10.19' (ECDSA) to the list of known hosts. syzkaller login: [ 67.488596][ T8482] IPVS: ftp: loaded support on port[0] = 21 executing program [ 69.510586][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 71.589651][ T3191] Bluetooth: hci0: command 0x041b tx timeout [ 72.609366][ T8514] ------------[ cut here ]------------ [ 72.615278][ T8514] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 72.625125][ T8514] WARNING: CPU: 0 PID: 8514 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 [ 72.634576][ T8514] Modules linked in: [ 72.638462][ T8514] CPU: 0 PID: 8514 Comm: syz-executor353 Not tainted 5.10.0-rc6-syzkaller #0 [ 72.647476][ T8514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.657547][ T8514] RIP: 0010:debug_print_object+0x16e/0x250 [ 72.663338][ T8514] Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 20 a2 9d 89 4c 89 ee 48 c7 c7 20 96 9d 89 e8 1e 1e f2 04 <0f> 0b 83 05 a5 8a 32 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 [ 72.682926][ T8514] RSP: 0018:ffffc9000161f568 EFLAGS: 00010086 [ 72.689001][ T8514] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 72.696958][ T8514] RDX: ffff88801ffecec0 RSI: ffffffff8158c855 RDI: fffff520002c3e9f [ 72.704914][ T8514] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880b9e2011b [ 72.712869][ T8514] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff894d3be0 [ 72.720828][ T8514] R13: ffffffff899d9ca0 R14: ffffffff815f15f0 R15: 1ffff920002c3eb8 [ 72.728800][ T8514] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 72.737712][ T8514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.744279][ T8514] CR2: 000055a603468cc8 CR3: 000000000b08e000 CR4: 00000000001506f0 [ 72.752256][ T8514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.760217][ T8514] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.768240][ T8514] Call Trace: [ 72.771544][ T8514] ? do_raw_spin_unlock+0x171/0x230 [ 72.776778][ T8514] debug_object_assert_init+0x1f4/0x2e0 [ 72.782315][ T8514] ? debug_object_free+0x350/0x350 [ 72.787416][ T8514] ? lock_chain_count+0x20/0x20 [ 72.792260][ T8514] ? lock_downgrade+0x6d0/0x6d0 [ 72.797110][ T8514] del_timer+0x6d/0x110 [ 72.801276][ T8514] ? detach_if_pending+0x470/0x470 [ 72.806464][ T8514] ? try_to_grab_pending+0xbd/0xd0 [ 72.811574][ T8514] ? lockdep_hardirqs_off+0x90/0xd0 [ 72.816766][ T8514] try_to_grab_pending+0x6d/0xd0 [ 72.821713][ T8514] cancel_delayed_work+0x76/0x2e0 [ 72.826729][ T8514] ? cancel_delayed_work_sync+0x20/0x20 [ 72.832273][ T8514] ? lockdep_hardirqs_on+0x79/0x100 [ 72.837502][ T8514] l2cap_chan_del+0x517/0xa80 [ 72.842199][ T8514] l2cap_chan_close+0x1bc/0xaf0 [ 72.847156][ T8514] ? l2cap_rx+0x1fb0/0x1fb0 [ 72.851687][ T8514] ? __mutex_unlock_slowpath+0xe2/0x610 [ 72.857233][ T8514] ? wait_for_completion+0x260/0x260 [ 72.862516][ T8514] ? __local_bh_enable_ip+0x9c/0x110 [ 72.867852][ T8514] l2cap_sock_shutdown+0x3dd/0x10c0 [ 72.873049][ T8514] ? l2cap_sock_suspend_cb+0x80/0x80 [ 72.878428][ T8514] ? find_held_lock+0x2d/0x110 [ 72.883224][ T8514] ? l2cap_sock_release+0x65/0x200 [ 72.888315][ T8514] ? lock_downgrade+0x6d0/0x6d0 [ 72.893147][ T8514] ? do_raw_read_unlock+0x70/0x70 [ 72.898158][ T8514] l2cap_sock_release+0x72/0x200 [ 72.903131][ T8514] __sock_release+0xcd/0x280 [ 72.907728][ T8514] sock_close+0x18/0x20 [ 72.911865][ T8514] __fput+0x285/0x920 [ 72.915828][ T8514] ? __sock_release+0x280/0x280 [ 72.920679][ T8514] task_work_run+0xdd/0x190 [ 72.925178][ T8514] do_exit+0xb64/0x29b0 [ 72.929320][ T8514] ? find_held_lock+0x2d/0x110 [ 72.934339][ T8514] ? mm_update_next_owner+0x7a0/0x7a0 [ 72.939711][ T8514] ? get_signal+0x34f/0x1f10 [ 72.944287][ T8514] ? lock_downgrade+0x6d0/0x6d0 [ 72.949146][ T8514] do_group_exit+0x125/0x310 [ 72.953742][ T8514] get_signal+0x42a/0x1f10 [ 72.958161][ T8514] ? l2cap_sock_recv_cb+0x1e0/0x1e0 [ 72.963354][ T8514] arch_do_signal+0x82/0x2390 [ 72.968210][ T8514] ? l2cap_sock_recv_cb+0x1e0/0x1e0 [ 72.973407][ T8514] ? __sys_connect_file+0x4e/0x1a0 [ 72.978502][ T8514] ? copy_siginfo_to_user32+0xa0/0xa0 [ 72.983870][ T8514] ? __sys_connect_file+0x1a0/0x1a0 [ 72.989062][ T8514] ? vmacache_update+0xce/0x140 [ 72.993910][ T8514] exit_to_user_mode_prepare+0x100/0x1a0 [ 72.999536][ T8514] syscall_exit_to_user_mode+0x38/0x260 [ 73.005081][ T8514] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.010952][ T8514] RIP: 0033:0x446e49 [ 73.014821][ T8514] Code: Unable to access opcode bytes at RIP 0x446e1f. [ 73.021660][ T8514] RSP: 002b:00007ffcb66f5e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 73.030086][ T8514] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000446e49 [ 73.039111][ T8514] RDX: 0000000000000007 RSI: 0000000020000100 RDI: 0000000000000004 [ 73.047410][ T8514] RBP: 0000000000000003 R08: 00000000000000ff R09: 00000000000000ff [ 73.055377][ T8514] R10: 0000000000000004 R11: 0000000000000246 R12: 000000000197b850 [ 73.063336][ T8514] R13: 0000000000000072 R14: 0000000000000000 R15: 0000000000000000 [ 73.071315][ T8514] Kernel panic - not syncing: panic_on_warn set ... [ 73.077996][ T8514] CPU: 0 PID: 8514 Comm: syz-executor353 Not tainted 5.10.0-rc6-syzkaller #0 [ 73.086732][ T8514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.096768][ T8514] Call Trace: [ 73.100052][ T8514] dump_stack+0x107/0x163 [ 73.104389][ T8514] panic+0x306/0x73d [ 73.108264][ T8514] ? __warn_printk+0xf3/0xf3 [ 73.112850][ T8514] ? __warn.cold+0x1a/0x44 [ 73.117260][ T8514] ? __warn+0xf1/0x210 [ 73.121315][ T8514] ? debug_print_object+0x16e/0x250 [ 73.126508][ T8514] __warn.cold+0x35/0x44 [ 73.130735][ T8514] ? wake_up_klogd.part.0+0x8e/0xd0 [ 73.135915][ T8514] ? debug_print_object+0x16e/0x250 [ 73.141123][ T8514] report_bug+0x1bd/0x210 [ 73.145440][ T8514] handle_bug+0x3c/0x60 [ 73.149578][ T8514] exc_invalid_op+0x14/0x40 [ 73.154063][ T8514] asm_exc_invalid_op+0x12/0x20 [ 73.158903][ T8514] RIP: 0010:debug_print_object+0x16e/0x250 [ 73.164879][ T8514] Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 20 a2 9d 89 4c 89 ee 48 c7 c7 20 96 9d 89 e8 1e 1e f2 04 <0f> 0b 83 05 a5 8a 32 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 [ 73.184487][ T8514] RSP: 0018:ffffc9000161f568 EFLAGS: 00010086 [ 73.190563][ T8514] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 73.198518][ T8514] RDX: ffff88801ffecec0 RSI: ffffffff8158c855 RDI: fffff520002c3e9f [ 73.206474][ T8514] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880b9e2011b [ 73.214439][ T8514] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff894d3be0 [ 73.222481][ T8514] R13: ffffffff899d9ca0 R14: ffffffff815f15f0 R15: 1ffff920002c3eb8 [ 73.230449][ T8514] ? calc_wheel_index+0x3f0/0x3f0 [ 73.235750][ T8514] ? vprintk_func+0x95/0x1e0 [ 73.240329][ T8514] ? debug_print_object+0x16e/0x250 [ 73.245683][ T8514] ? do_raw_spin_unlock+0x171/0x230 [ 73.250868][ T8514] debug_object_assert_init+0x1f4/0x2e0 [ 73.256397][ T8514] ? debug_object_free+0x350/0x350 [ 73.261493][ T8514] ? lock_chain_count+0x20/0x20 [ 73.266331][ T8514] ? lock_downgrade+0x6d0/0x6d0 [ 73.271186][ T8514] del_timer+0x6d/0x110 [ 73.275320][ T8514] ? detach_if_pending+0x470/0x470 [ 73.280427][ T8514] ? try_to_grab_pending+0xbd/0xd0 [ 73.285534][ T8514] ? lockdep_hardirqs_off+0x90/0xd0 [ 73.290715][ T8514] try_to_grab_pending+0x6d/0xd0 [ 73.295650][ T8514] cancel_delayed_work+0x76/0x2e0 [ 73.300671][ T8514] ? cancel_delayed_work_sync+0x20/0x20 [ 73.306196][ T8514] ? lockdep_hardirqs_on+0x79/0x100 [ 73.311389][ T8514] l2cap_chan_del+0x517/0xa80 [ 73.316088][ T8514] l2cap_chan_close+0x1bc/0xaf0 [ 73.320936][ T8514] ? l2cap_rx+0x1fb0/0x1fb0 [ 73.325423][ T8514] ? __mutex_unlock_slowpath+0xe2/0x610 [ 73.331042][ T8514] ? wait_for_completion+0x260/0x260 [ 73.336493][ T8514] ? __local_bh_enable_ip+0x9c/0x110 [ 73.341780][ T8514] l2cap_sock_shutdown+0x3dd/0x10c0 [ 73.346972][ T8514] ? l2cap_sock_suspend_cb+0x80/0x80 [ 73.352245][ T8514] ? find_held_lock+0x2d/0x110 [ 73.356993][ T8514] ? l2cap_sock_release+0x65/0x200 [ 73.362090][ T8514] ? lock_downgrade+0x6d0/0x6d0 [ 73.366934][ T8514] ? do_raw_read_unlock+0x70/0x70 [ 73.371948][ T8514] l2cap_sock_release+0x72/0x200 [ 73.376888][ T8514] __sock_release+0xcd/0x280 [ 73.381461][ T8514] sock_close+0x18/0x20 [ 73.385598][ T8514] __fput+0x285/0x920 [ 73.389577][ T8514] ? __sock_release+0x280/0x280 [ 73.394409][ T8514] task_work_run+0xdd/0x190 [ 73.398905][ T8514] do_exit+0xb64/0x29b0 [ 73.403063][ T8514] ? find_held_lock+0x2d/0x110 [ 73.407817][ T8514] ? mm_update_next_owner+0x7a0/0x7a0 [ 73.413170][ T8514] ? get_signal+0x34f/0x1f10 [ 73.417738][ T8514] ? lock_downgrade+0x6d0/0x6d0 [ 73.422577][ T8514] do_group_exit+0x125/0x310 [ 73.427162][ T8514] get_signal+0x42a/0x1f10 [ 73.431562][ T8514] ? l2cap_sock_recv_cb+0x1e0/0x1e0 [ 73.436743][ T8514] arch_do_signal+0x82/0x2390 [ 73.441396][ T8514] ? l2cap_sock_recv_cb+0x1e0/0x1e0 [ 73.446577][ T8514] ? __sys_connect_file+0x4e/0x1a0 [ 73.451677][ T8514] ? copy_siginfo_to_user32+0xa0/0xa0 [ 73.457037][ T8514] ? __sys_connect_file+0x1a0/0x1a0 [ 73.462236][ T8514] ? vmacache_update+0xce/0x140 [ 73.467080][ T8514] exit_to_user_mode_prepare+0x100/0x1a0 [ 73.472702][ T8514] syscall_exit_to_user_mode+0x38/0x260 [ 73.478252][ T8514] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.484132][ T8514] RIP: 0033:0x446e49 [ 73.488003][ T8514] Code: Unable to access opcode bytes at RIP 0x446e1f. [ 73.494827][ T8514] RSP: 002b:00007ffcb66f5e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 73.503218][ T8514] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000446e49 [ 73.511188][ T8514] RDX: 0000000000000007 RSI: 0000000020000100 RDI: 0000000000000004 [ 73.519148][ T8514] RBP: 0000000000000003 R08: 00000000000000ff R09: 00000000000000ff [ 73.527103][ T8514] R10: 0000000000000004 R11: 0000000000000246 R12: 000000000197b850 [ 73.535072][ T8514] R13: 0000000000000072 R14: 0000000000000000 R15: 0000000000000000 [ 73.543995][ T8514] Kernel Offset: disabled [ 73.548445][ T8514] Rebooting in 86400 seconds..