Warning: Permanently added '10.128.10.21' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 50.949778] kasan: CONFIG_KASAN_INLINE enabled [ 50.954526] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 50.961935] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 50.968174] CPU: 1 PID: 5351 Comm: syz-executor208 Not tainted 4.19.0+ #300 [ 50.975252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.984594] RIP: 0010:rb_erase+0x306/0x3710 [ 50.988897] 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 [ 51.007779] RSP: 0018:ffff8801c4fde918 EFLAGS: 00010202 [ 51.013125] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 51.020375] RDX: 1ffff100389fbd2b RSI: ffffffff8af89820 RDI: 0000000000000008 [ 51.027843] RBP: ffff8801c4fdf320 R08: dffffc0000000000 R09: ffffed00389fbe53 [ 51.035095] R10: ffffed00389fbe53 R11: 0000000000000003 R12: ffff8801b729d970 [ 51.042345] R13: dffffc0000000000 R14: ffff8801c4fdf2f8 R15: ffff8801c4fdf438 [ 51.049595] FS: 0000000001b32880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 51.057800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.063661] CR2: 0000000020000080 CR3: 00000001bb4b2000 CR4: 00000000001406e0 [ 51.070913] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.078166] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.085414] Call Trace: [ 51.087983] ? modules_open+0xa0/0xa0 [ 51.091767] ? rb_insert_color+0x1460/0x1460 [ 51.096157] ? noop_count+0x40/0x40 [ 51.099767] ? print_bfs_bug+0x80/0x80 [ 51.103636] ? mark_held_locks+0x130/0x130 [ 51.107854] ? kernel_text_address+0x79/0xf0 [ 51.112244] ? noop_count+0x40/0x40 [ 51.115853] ? print_bfs_bug+0x80/0x80 [ 51.119718] ? noop_count+0x40/0x40 [ 51.123342] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.128877] ? check_usage_forwards+0x3d0/0x3d0 [ 51.133530] ? __bfs+0x321/0x780 [ 51.136877] ? check_usage+0x1aa/0x790 [ 51.140745] ? print_bfs_bug+0x80/0x80 [ 51.144615] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 51.149527] ? check_usage_forwards+0x3d0/0x3d0 [ 51.154179] ? kasan_check_read+0x11/0x20 [ 51.158325] ? graph_lock+0x9c/0x270 [ 51.162021] ? __bfs+0x321/0x780 [ 51.165366] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 51.171228] ? lockdep_on+0x50/0x50 [ 51.174854] ? print_bfs_bug+0x80/0x80 [ 51.178750] ? kasan_check_read+0x11/0x20 [ 51.182878] ? graph_lock+0x9c/0x270 [ 51.186572] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 51.192437] ? mark_held_locks+0x130/0x130 [ 51.196652] ? kasan_check_read+0x11/0x20 [ 51.200780] ? __lock_acquire+0x2aff/0x4c20 [ 51.205088] ? mark_held_locks+0x130/0x130 [ 51.209305] ? print_usage_bug+0xc0/0xc0 [ 51.213362] ? print_usage_bug+0xc0/0xc0 [ 51.217407] ? __lock_acquire+0x62f/0x4c20 [ 51.221626] ? zap_class+0x640/0x640 [ 51.225351] ? print_usage_bug+0xc0/0xc0 [ 51.229393] ? __lock_acquire+0x62f/0x4c20 [ 51.233648] ? mark_held_locks+0x130/0x130 [ 51.237879] ? lock_downgrade+0x900/0x900 [ 51.242010] ? ext4_es_scan+0x960/0x960 [ 51.245977] ? kasan_check_read+0x11/0x20 [ 51.250107] ? do_raw_write_lock+0x14f/0x310 [ 51.254502] ? do_raw_write_trylock+0x270/0x270 [ 51.259184] ? lock_acquire+0x1ed/0x520 [ 51.263139] ? integrity_inode_free+0x77/0x320 [ 51.267716] ? ext4_es_remove_extent+0x151/0x500 [ 51.272472] ? kasan_check_read+0x11/0x20 [ 51.276602] ? do_raw_write_lock+0x14f/0x310 [ 51.280998] ? do_raw_read_unlock+0x70/0x70 [ 51.285308] ? zap_class+0x640/0x640 [ 51.289083] integrity_inode_free+0x12f/0x320 [ 51.293593] security_inode_free+0x19/0x90 [ 51.297814] __destroy_inode+0x328/0x820 [ 51.301861] ? clear_nlink+0xe0/0xe0 [ 51.305559] ? evict+0x5d8/0x980 [ 51.308907] ? lock_downgrade+0x900/0x900 [ 51.313037] ? __inode_wait_for_writeback+0x2cf/0x380 [ 51.318217] destroy_inode+0xda/0x200 [ 51.322001] ? __destroy_inode+0x820/0x820 [ 51.326221] evict+0x5e0/0x980 [ 51.329399] ? destroy_inode+0x200/0x200 [ 51.333444] ? iput+0x671/0xa90 [ 51.336704] ? lock_downgrade+0x900/0x900 [ 51.340833] ? kasan_check_read+0x11/0x20 [ 51.344964] ? do_raw_spin_trylock+0x270/0x270 [ 51.349545] ? lock_downgrade+0x900/0x900 [ 51.353686] iput+0x679/0xa90 [ 51.356776] ? inode_add_lru+0x2a0/0x2a0 [ 51.360833] ? up_write+0x7b/0x220 [ 51.364359] ? down_write_nested+0x130/0x130 [ 51.368762] ? down_write_nested+0x130/0x130 [ 51.373153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.378674] ? check_preemption_disabled+0x48/0x280 [ 51.383692] ext4_ioctl+0x236f/0x4210 [ 51.387479] ? is_bpf_text_address+0xac/0x170 [ 51.391974] ? ext4_ioctl_group_add+0x560/0x560 [ 51.396628] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 51.401547] ? kasan_check_read+0x11/0x20 [ 51.405682] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 51.410950] ? rcu_softirq_qs+0x20/0x20 [ 51.414903] ? rcu_softirq_qs+0x20/0x20 [ 51.418857] ? unwind_dump+0x190/0x190 [ 51.422729] ? is_bpf_text_address+0xd3/0x170 [ 51.427205] ? kernel_text_address+0x79/0xf0 [ 51.431594] ? __kernel_text_address+0xd/0x40 [ 51.436074] ? unwind_get_return_address+0x61/0xa0 [ 51.440986] ? __save_stack_trace+0x8d/0xf0 [ 51.445304] ? save_stack+0xa9/0xd0 [ 51.448912] ? save_stack+0x43/0xd0 [ 51.452519] ? __kasan_slab_free+0x102/0x150 [ 51.456909] ? kasan_slab_free+0xe/0x10 [ 51.460861] ? kmem_cache_free+0x83/0x290 [ 51.464989] ? putname+0xf2/0x130 [ 51.468425] ? do_sys_open+0x54d/0x700 [ 51.472298] ? __x64_sys_openat+0x9d/0x100 [ 51.476521] ? do_syscall_64+0x1b9/0x820 [ 51.480568] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.485916] ? trace_hardirqs_off+0xb8/0x310 [ 51.490313] ? kasan_check_read+0x11/0x20 [ 51.494461] ? do_raw_spin_unlock+0xa7/0x330 [ 51.498861] ? trace_hardirqs_on+0x310/0x310 [ 51.503254] ? trace_hardirqs_off+0xb8/0x310 [ 51.507645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.513167] ? ext4_ioctl_group_add+0x560/0x560 [ 51.517816] do_vfs_ioctl+0x1de/0x1720 [ 51.521690] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 51.527206] ? ioctl_preallocate+0x300/0x300 [ 51.531597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.537116] ? __fget_light+0x2e9/0x430 [ 51.541072] ? fget_raw+0x20/0x20 [ 51.544508] ? putname+0xf2/0x130 [ 51.547944] ? rcu_read_lock_sched_held+0x14f/0x180 [ 51.552945] ? kmem_cache_free+0x24f/0x290 [ 51.557162] ? putname+0xf7/0x130 [ 51.560598] ? do_syscall_64+0x9a/0x820 [ 51.564556] ? do_syscall_64+0x9a/0x820 [ 51.568513] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 51.573084] ? security_file_ioctl+0x94/0xc0 [ 51.577474] ksys_ioctl+0xa9/0xd0 [ 51.580908] __x64_sys_ioctl+0x73/0xb0 [ 51.584781] do_syscall_64+0x1b9/0x820 [ 51.588653] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 51.594001] ? syscall_return_slowpath+0x5e0/0x5e0 [ 51.598908] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.603736] ? trace_hardirqs_on_caller+0x310/0x310 [ 51.608731] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 51.613730] ? prepare_exit_to_usermode+0x291/0x3b0 [ 51.618729] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.623564] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.628733] RIP: 0033:0x440009 [ 51.631911] 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 [ 51.650794] RSP: 002b:00007ffcafe392e8 EFLAGS: 00000213 ORIG_RAX: 0000000000000010 [ 51.658487] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440009 [ 51.665739] RDX: 0000000000440009 RSI: 0000000000006611 RDI: 0000000000000003 [ 51.672989] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 51.680240] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000401890 [ 51.687492] R13: 0000000000401920 R14: 0000000000000000 R15: 0000000000000000 [ 51.694747] Modules linked in: [ 51.698034] ---[ end trace ce20e2b074c18f5f ]--- [ 51.702825] RIP: 0010:rb_erase+0x306/0x3710 [ 51.707132] 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 [ 51.726056] RSP: 0018:ffff8801c4fde918 EFLAGS: 00010202 [ 51.731440] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 51.738746] RDX: 1ffff100389fbd2b RSI: ffffffff8af89820 RDI: 0000000000000008 [ 51.746047] RBP: ffff8801c4fdf320 R08: dffffc0000000000 R09: ffffed00389fbe53 [ 51.753342] R10: ffffed00389fbe53 R11: 0000000000000003 R12: ffff8801b729d970 [ 51.760610] R13: dffffc0000000000 R14: ffff8801c4fdf2f8 R15: ffff8801c4fdf438 [ 51.767898] FS: 0000000001b32880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 51.776156] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.782053] CR2: 0000000020000080 CR3: 00000001bb4b2000 CR4: 00000000001406e0 [ 51.789340] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.796623] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.803910] Kernel panic - not syncing: Fatal exception [ 51.810092] Kernel Offset: disabled [ 51.813730] Rebooting in 86400 seconds..