Warning: Permanently added '10.128.0.157' (ECDSA) to the list of known hosts. executing program [ 71.515300][ T6604] general protection fault, probably for non-canonical address 0xdffffc0000000023: 0000 [#1] PREEMPT SMP KASAN [ 71.527140][ T6604] KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f] [ 71.535535][ T6604] CPU: 1 PID: 6604 Comm: syz-executor198 Not tainted 5.14.0-rc5-next-20210813-syzkaller #0 [ 71.545488][ T6604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.555541][ T6604] RIP: 0010:destroy_workqueue+0x2e/0x800 [ 71.561163][ T6604] Code: 49 89 fe 41 55 41 54 55 53 48 83 ec 08 e8 aa 7f 29 00 49 8d be 18 01 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 2e 07 00 00 49 8b 9e 18 01 00 00 48 85 db 74 19 [ 71.580748][ T6604] RSP: 0018:ffffc900011efa90 EFLAGS: 00010202 [ 71.586818][ T6604] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 71.594772][ T6604] RDX: 0000000000000023 RSI: ffffffff814c51b6 RDI: 0000000000000118 [ 71.602724][ T6604] RBP: ffff88801a085340 R08: 0000000000000000 R09: 0000000000000000 [ 71.611194][ T6604] R10: ffffffff81a3c3b8 R11: 0000000000000000 R12: ffff88801a084000 [ 71.619147][ T6604] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 71.627185][ T6604] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 71.636100][ T6604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.642665][ T6604] CR2: 00007fbdda3ea6c0 CR3: 00000000708d5000 CR4: 00000000001506e0 [ 71.650633][ T6604] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.658597][ T6604] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.666648][ T6604] Call Trace: [ 71.669909][ T6604] hci_release_dev+0x125/0xb70 [ 71.674676][ T6604] ? devres_release_all+0x1b4/0x240 [ 71.679945][ T6604] ? hci_bdaddr_list_clear+0x200/0x200 [ 71.685388][ T6604] ? kfree+0x38a/0x530 [ 71.689444][ T6604] ? hci_uart_tty_close+0x17c/0x2a0 [ 71.694621][ T6604] bt_host_release+0x15/0x20 [ 71.699215][ T6604] ? __match_tty+0x90/0x90 [ 71.703626][ T6604] device_release+0x9f/0x240 [ 71.708215][ T6604] kobject_put+0x1c8/0x540 [ 71.712615][ T6604] put_device+0x1b/0x30 [ 71.716770][ T6604] hci_uart_tty_close+0x1e4/0x2a0 [ 71.721828][ T6604] ? hci_uart_close+0x70/0x70 [ 71.726498][ T6604] tty_ldisc_close+0x110/0x190 [ 71.731449][ T6604] tty_ldisc_kill+0x94/0x150 [ 71.736033][ T6604] tty_ldisc_release+0xe3/0x2a0 [ 71.740874][ T6604] tty_release_struct+0x20/0xe0 [ 71.745716][ T6604] tty_release+0xc70/0x1200 [ 71.750208][ T6604] __fput+0x288/0x9f0 [ 71.754180][ T6604] ? tty_release_struct+0xe0/0xe0 [ 71.759189][ T6604] ? _raw_spin_unlock_irq+0x1f/0x40 [ 71.764388][ T6604] task_work_run+0xdd/0x1a0 [ 71.768881][ T6604] do_exit+0xbae/0x2a30 [ 71.773022][ T6604] ? __context_tracking_exit+0xb8/0xe0 [ 71.778474][ T6604] ? lock_downgrade+0x6e0/0x6e0 [ 71.783321][ T6604] ? lock_downgrade+0x6e0/0x6e0 [ 71.788239][ T6604] ? mm_update_next_owner+0x7a0/0x7a0 [ 71.793777][ T6604] ? get_vtime_delta+0x26e/0x420 [ 71.798789][ T6604] do_group_exit+0x125/0x310 [ 71.803375][ T6604] __x64_sys_exit_group+0x3a/0x50 [ 71.808414][ T6604] do_syscall_64+0x35/0xb0 [ 71.812822][ T6604] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.818762][ T6604] RIP: 0033:0x43da49 [ 71.822665][ T6604] Code: Unable to access opcode bytes at RIP 0x43da1f. [ 71.829499][ T6604] RSP: 002b:00007ffdc14a2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 71.837899][ T6604] RAX: ffffffffffffffda RBX: 00000000004ae230 RCX: 000000000043da49 [ 71.845867][ T6604] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 71.853904][ T6604] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000400488 [ 71.861859][ T6604] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004ae230 [ 71.869826][ T6604] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 71.877793][ T6604] Modules linked in: [ 71.881878][ T6604] ---[ end trace 5ca1470179de6c68 ]--- [ 71.887335][ T6604] RIP: 0010:destroy_workqueue+0x2e/0x800 [ 71.893302][ T6604] Code: 49 89 fe 41 55 41 54 55 53 48 83 ec 08 e8 aa 7f 29 00 49 8d be 18 01 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 2e 07 00 00 49 8b 9e 18 01 00 00 48 85 db 74 19 [ 71.913017][ T6604] RSP: 0018:ffffc900011efa90 EFLAGS: 00010202 [ 71.919518][ T6604] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 71.927508][ T6604] RDX: 0000000000000023 RSI: ffffffff814c51b6 RDI: 0000000000000118 [ 71.935894][ T6604] RBP: ffff88801a085340 R08: 0000000000000000 R09: 0000000000000000 [ 71.944121][ T6604] R10: ffffffff81a3c3b8 R11: 0000000000000000 R12: ffff88801a084000 [ 71.952303][ T6604] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 71.960502][ T6604] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 71.969485][ T6604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.976067][ T6604] CR2: 00007fbdda3ea6c0 CR3: 00000000713ad000 CR4: 00000000001506e0 [ 71.984236][ T6604] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.992373][ T6604] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.000457][ T6604] Kernel panic - not syncing: Fatal exception [ 72.008073][ T6604] Kernel Offset: disabled [ 72.012404][ T6604] Rebooting in 86400 seconds..