Warning: Permanently added '10.128.0.82' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 59.572838] kasan: CONFIG_KASAN_INLINE enabled [ 59.577507] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 59.584956] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 59.591194] CPU: 1 PID: 5358 Comm: syz-executor691 Not tainted 4.19.0+ #77 [ 59.598201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.607591] RIP: 0010:rb_erase+0x306/0x3710 [ 59.611905] Code: c7 81 28 01 00 00 f2 f2 f2 f2 c7 81 2c 01 00 00 00 f2 f2 f2 48 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d d0 31 db 48 c1 e9 03 <42> 80 3c 01 00 0f 85 41 1c 00 00 4c 8d 48 10 4c 8b 78 08 48 b9 00 [ 59.630797] RSP: 0018:ffff8801bab46918 EFLAGS: 00010202 [ 59.636246] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 59.643609] RDX: 1ffff10037568d2b RSI: ffffffff8af89820 RDI: 0000000000000008 [ 59.650866] RBP: ffff8801bab47320 R08: dffffc0000000000 R09: ffffed0037568e53 [ 59.658120] R10: ffffed0037568e53 R11: 0000000000000003 R12: ffff8801b6715970 [ 59.665379] R13: dffffc0000000000 R14: ffff8801bab472f8 R15: ffff8801bab47438 [ 59.672638] FS: 00000000025af880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 59.680849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.686711] CR2: 0000000020000080 CR3: 00000001cdbc8000 CR4: 00000000001406e0 [ 59.693970] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.701233] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.708486] Call Trace: [ 59.711068] ? modules_open+0xa0/0xa0 [ 59.714896] ? rb_insert_color+0x1460/0x1460 [ 59.719295] ? noop_count+0x40/0x40 [ 59.722917] ? print_bfs_bug+0x80/0x80 [ 59.726788] ? mark_held_locks+0x130/0x130 [ 59.731008] ? kernel_text_address+0x79/0xf0 [ 59.735401] ? noop_count+0x40/0x40 [ 59.739010] ? print_bfs_bug+0x80/0x80 [ 59.742884] ? noop_count+0x40/0x40 [ 59.746508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 59.752030] ? check_usage_forwards+0x3d0/0x3d0 [ 59.756695] ? __bfs+0x321/0x780 [ 59.760049] ? check_usage+0x1aa/0x790 [ 59.763965] ? print_bfs_bug+0x80/0x80 [ 59.767842] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 59.772755] ? check_usage_forwards+0x3d0/0x3d0 [ 59.777406] ? kasan_check_read+0x11/0x20 [ 59.781536] ? graph_lock+0x9c/0x270 [ 59.785343] ? __bfs+0x321/0x780 [ 59.788694] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 59.794603] ? lockdep_on+0x50/0x50 [ 59.798217] ? print_bfs_bug+0x80/0x80 [ 59.802150] ? kasan_check_read+0x11/0x20 [ 59.806381] ? graph_lock+0x9c/0x270 [ 59.810078] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 59.815943] ? mark_held_locks+0x130/0x130 [ 59.820159] ? kasan_check_read+0x11/0x20 [ 59.824285] ? __lock_acquire+0x2aff/0x4c20 [ 59.828599] ? mark_held_locks+0x130/0x130 [ 59.832814] ? print_usage_bug+0xc0/0xc0 [ 59.836856] ? print_usage_bug+0xc0/0xc0 [ 59.840898] ? __lock_acquire+0x62f/0x4c20 [ 59.845119] ? zap_class+0x640/0x640 [ 59.848816] ? print_usage_bug+0xc0/0xc0 [ 59.852858] ? __lock_acquire+0x62f/0x4c20 [ 59.857080] ? mark_held_locks+0x130/0x130 [ 59.861294] ? lock_downgrade+0x900/0x900 [ 59.865424] ? ext4_es_scan+0x960/0x960 [ 59.869380] ? kasan_check_read+0x11/0x20 [ 59.873509] ? do_raw_write_lock+0x14f/0x310 [ 59.877896] ? do_raw_write_trylock+0x270/0x270 [ 59.882558] ? lock_acquire+0x1ed/0x520 [ 59.886519] ? integrity_inode_free+0x77/0x320 [ 59.891084] ? ext4_es_remove_extent+0x151/0x500 [ 59.895822] ? kasan_check_read+0x11/0x20 [ 59.899956] ? do_raw_write_lock+0x14f/0x310 [ 59.904346] ? do_raw_read_unlock+0x70/0x70 [ 59.908646] ? zap_class+0x640/0x640 [ 59.912346] integrity_inode_free+0x12f/0x320 [ 59.916824] security_inode_free+0x19/0x90 [ 59.921049] __destroy_inode+0x328/0x820 [ 59.925091] ? clear_nlink+0xe0/0xe0 [ 59.928787] ? evict+0x5d8/0x980 [ 59.932132] ? lock_downgrade+0x900/0x900 [ 59.936261] ? __inode_wait_for_writeback+0x2cf/0x380 [ 59.941432] destroy_inode+0xda/0x200 [ 59.945216] ? __destroy_inode+0x820/0x820 [ 59.949432] evict+0x5e0/0x980 [ 59.952611] ? destroy_inode+0x200/0x200 [ 59.956653] ? iput+0x671/0xa90 [ 59.959915] ? lock_downgrade+0x900/0x900 [ 59.964052] ? kasan_check_read+0x11/0x20 [ 59.968184] ? do_raw_spin_trylock+0x270/0x270 [ 59.972748] ? lock_downgrade+0x900/0x900 [ 59.976880] iput+0x679/0xa90 [ 59.979967] ? inode_add_lru+0x2a0/0x2a0 [ 59.984011] ? up_write+0x7b/0x220 [ 59.987596] ? down_write_nested+0x130/0x130 [ 59.991995] ? down_write_nested+0x130/0x130 [ 59.996385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.001908] ? check_preemption_disabled+0x48/0x280 [ 60.006925] ext4_ioctl+0x236f/0x4210 [ 60.010715] ? is_bpf_text_address+0xac/0x170 [ 60.015200] ? ext4_ioctl_group_add+0x560/0x560 [ 60.019923] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 60.024844] ? kasan_check_read+0x11/0x20 [ 60.029016] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 60.034297] ? rcu_softirq_qs+0x20/0x20 [ 60.038258] ? rcu_softirq_qs+0x20/0x20 [ 60.042220] ? unwind_dump+0x190/0x190 [ 60.046095] ? is_bpf_text_address+0xd3/0x170 [ 60.050574] ? kernel_text_address+0x79/0xf0 [ 60.054964] ? __kernel_text_address+0xd/0x40 [ 60.059441] ? unwind_get_return_address+0x61/0xa0 [ 60.064354] ? __save_stack_trace+0x8d/0xf0 [ 60.068662] ? save_stack+0xa9/0xd0 [ 60.072273] ? save_stack+0x43/0xd0 [ 60.075983] ? __kasan_slab_free+0x102/0x150 [ 60.080373] ? kasan_slab_free+0xe/0x10 [ 60.084373] ? kmem_cache_free+0x83/0x290 [ 60.088508] ? putname+0xf2/0x130 [ 60.091952] ? do_sys_open+0x54d/0x700 [ 60.095838] ? __x64_sys_openat+0x9d/0x100 [ 60.100072] ? do_syscall_64+0x1b9/0x820 [ 60.104118] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.109547] ? trace_hardirqs_off+0xb8/0x310 [ 60.113942] ? kasan_check_read+0x11/0x20 [ 60.118072] ? do_raw_spin_unlock+0xa7/0x330 [ 60.122481] ? trace_hardirqs_on+0x310/0x310 [ 60.126877] ? trace_hardirqs_off+0xb8/0x310 [ 60.131269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.136804] ? ext4_ioctl_group_add+0x560/0x560 [ 60.141454] do_vfs_ioctl+0x1de/0x1720 [ 60.145324] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 60.150850] ? ioctl_preallocate+0x300/0x300 [ 60.155240] ? memset+0x31/0x40 [ 60.158507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.164027] ? smack_file_ioctl+0x210/0x3c0 [ 60.168335] ? fget_raw+0x20/0x20 [ 60.171769] ? smack_file_lock+0x2e0/0x2e0 [ 60.175995] ? do_syscall_64+0x9a/0x820 [ 60.180061] ? do_syscall_64+0x9a/0x820 [ 60.184019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.189547] ? security_file_ioctl+0x94/0xc0 [ 60.193937] ksys_ioctl+0xa9/0xd0 [ 60.197374] __x64_sys_ioctl+0x73/0xb0 [ 60.201244] do_syscall_64+0x1b9/0x820 [ 60.205117] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 60.210464] ? syscall_return_slowpath+0x5e0/0x5e0 [ 60.215373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.220196] ? trace_hardirqs_on_caller+0x310/0x310 [ 60.225195] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 60.230190] ? prepare_exit_to_usermode+0x291/0x3b0 [ 60.235188] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.240014] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.245191] RIP: 0033:0x440009 [ 60.248366] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.267247] RSP: 002b:00007fff7fba2768 EFLAGS: 00000213 ORIG_RAX: 0000000000000010 [ 60.274938] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440009 [ 60.282187] RDX: 0000000000440009 RSI: 0000000000006611 RDI: 0000000000000003 [ 60.289437] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 60.296693] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000401890 [ 60.303944] R13: 0000000000401920 R14: 0000000000000000 R15: 0000000000000000 [ 60.311200] Modules linked in: [ 60.314490] ---[ end trace 5f3bba500aaecbfa ]--- [ 60.319252] RIP: 0010:rb_erase+0x306/0x3710 [ 60.323602] Code: c7 81 28 01 00 00 f2 f2 f2 f2 c7 81 2c 01 00 00 00 f2 f2 f2 48 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d d0 31 db 48 c1 e9 03 <42> 80 3c 01 00 0f 85 41 1c 00 00 4c 8d 48 10 4c 8b 78 08 48 b9 00 [ 60.342506] RSP: 0018:ffff8801bab46918 EFLAGS: 00010202 [ 60.347854] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 60.355135] RDX: 1ffff10037568d2b RSI: ffffffff8af89820 RDI: 0000000000000008 [ 60.362389] RBP: ffff8801bab47320 R08: dffffc0000000000 R09: ffffed0037568e53 [ 60.369668] R10: ffffed0037568e53 R11: 0000000000000003 R12: ffff8801b6715970 [ 60.377002] R13: dffffc0000000000 R14: ffff8801bab472f8 R15: ffff8801bab47438 [ 60.384382] FS: 00000000025af880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 60.392615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.398482] CR2: 0000000020000080 CR3: 00000001cdbc8000 CR4: 00000000001406e0 [ 60.405761] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.413030] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.420292] Kernel panic - not syncing: Fatal exception [ 60.426661] Kernel Offset: disabled [ 60.430285] Rebooting in 86400 seconds..