Warning: Permanently added '10.128.0.99' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 37.422557] kasan: CONFIG_KASAN_INLINE enabled [ 37.427238] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 37.434614] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 37.440830] CPU: 0 PID: 5391 Comm: syz-executor388 Not tainted 4.19.0-rc7+ #59 [ 37.448169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.457512] RIP: 0010:rb_erase+0x306/0x3710 [ 37.461812] 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 [ 37.480696] RSP: 0018:ffff8801d7d76918 EFLAGS: 00010202 [ 37.486040] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 37.493288] RDX: 1ffff1003afaed2b RSI: ffffffff8afbc860 RDI: 0000000000000008 [ 37.500538] RBP: ffff8801d7d77320 R08: dffffc0000000000 R09: fffffbfff12d6990 [ 37.507825] R10: fffffbfff12d6990 R11: ffffffff896b4c83 R12: ffff8801c2c4d570 [ 37.515088] R13: dffffc0000000000 R14: ffff8801d7d772f8 R15: ffff8801d7d77438 [ 37.522342] FS: 00000000014e5880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 37.530548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.536412] CR2: 0000000020000080 CR3: 00000001cbc2c000 CR4: 00000000001406f0 [ 37.543666] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.550919] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.558170] Call Trace: [ 37.560741] ? lockdep_on+0x50/0x50 [ 37.564389] ? rb_insert_color+0x1460/0x1460 [ 37.568785] ? noop_count+0x40/0x40 [ 37.572394] ? lock_pin_lock+0x350/0x350 [ 37.576437] ? noop_count+0x40/0x40 [ 37.580047] ? kasan_check_read+0x11/0x20 [ 37.584210] ? noop_count+0x40/0x40 [ 37.587822] ? noop_count+0x40/0x40 [ 37.591440] ? lock_pin_lock+0x350/0x350 [ 37.595485] ? mark_held_locks+0x130/0x130 [ 37.599961] ? check_usage_forwards+0x3e0/0x3e0 [ 37.604612] ? __bfs+0x385/0x7a0 [ 37.607959] ? noop_count+0x40/0x40 [ 37.611571] ? check_usage+0x1a9/0x790 [ 37.615445] ? lock_pin_lock+0x350/0x350 [ 37.619489] ? check_usage_forwards+0x3e0/0x3e0 [ 37.624137] ? __bfs+0x385/0x7a0 [ 37.627485] ? __lock_acquire+0x7ec/0x4ec0 [ 37.631738] ? lockdep_on+0x50/0x50 [ 37.635346] ? lock_pin_lock+0x350/0x350 [ 37.639400] ? mark_held_locks+0x130/0x130 [ 37.643618] ? kasan_check_read+0x11/0x20 [ 37.647747] ? __lock_acquire+0x2881/0x4ec0 [ 37.652051] ? mark_held_locks+0x130/0x130 [ 37.656273] ? print_usage_bug+0xc0/0xc0 [ 37.660317] ? _raw_spin_unlock+0x2c/0x50 [ 37.664447] ? graph_lock+0x170/0x170 [ 37.668231] ? ext4_exit_mballoc+0xc0/0xc0 [ 37.672449] ? __lock_acquire+0x7ec/0x4ec0 [ 37.676666] ? find_held_lock+0x36/0x1c0 [ 37.680714] ? mark_held_locks+0x130/0x130 [ 37.684929] ? lock_downgrade+0x900/0x900 [ 37.689060] ? ext4_es_scan+0x960/0x960 [ 37.693023] ? lock_release+0x970/0x970 [ 37.697215] ? do_raw_write_trylock+0x1c0/0x1c0 [ 37.701866] ? kasan_check_write+0x14/0x20 [ 37.706098] ? lock_acquire+0x1ed/0x520 [ 37.710053] ? integrity_inode_free+0x77/0x320 [ 37.714621] ? ext4_es_remove_extent+0x151/0x500 [ 37.719359] ? lock_release+0x970/0x970 [ 37.723318] ? kasan_check_write+0x14/0x20 [ 37.727567] ? do_raw_write_lock+0xbd/0x1b0 [ 37.731887] integrity_inode_free+0x12f/0x320 [ 37.736368] security_inode_free+0x19/0x90 [ 37.740583] __destroy_inode+0x328/0x820 [ 37.744629] ? generic_update_time+0x450/0x450 [ 37.749190] ? evict+0x5d8/0x980 [ 37.752540] ? lock_downgrade+0x900/0x900 [ 37.756670] ? __inode_wait_for_writeback+0x2cf/0x380 [ 37.761844] destroy_inode+0xda/0x200 [ 37.765629] ? __destroy_inode+0x820/0x820 [ 37.769845] ? kasan_check_write+0x14/0x20 [ 37.774070] ? do_raw_spin_lock+0xc1/0x200 [ 37.778326] evict+0x5e0/0x980 [ 37.781501] ? destroy_inode+0x200/0x200 [ 37.785546] ? iput+0x671/0xa90 [ 37.788805] ? lock_downgrade+0x900/0x900 [ 37.793456] ? kasan_check_read+0x11/0x20 [ 37.797849] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 37.802415] ? lock_downgrade+0x900/0x900 [ 37.806634] iput+0x679/0xa90 [ 37.809725] ? inode_add_lru+0x2a0/0x2a0 [ 37.813769] ? up_write+0x7b/0x220 [ 37.817307] ? up_read+0x110/0x110 [ 37.820826] ? up_read+0x110/0x110 [ 37.824347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.829873] ? check_preemption_disabled+0x48/0x200 [ 37.834887] ext4_ioctl+0x236f/0x4210 [ 37.838675] ? is_bpf_text_address+0xac/0x170 [ 37.843158] ? ext4_ioctl_group_add+0x560/0x560 [ 37.847817] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 37.853599] ? kasan_check_read+0x11/0x20 [ 37.857732] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 37.863081] ? rcu_bh_qs+0xc0/0xc0 [ 37.867148] ? rcu_bh_qs+0xc0/0xc0 [ 37.870668] ? unwind_dump+0x190/0x190 [ 37.874537] ? is_bpf_text_address+0xd3/0x170 [ 37.879013] ? kernel_text_address+0x79/0xf0 [ 37.883401] ? __kernel_text_address+0xd/0x40 [ 37.887878] ? unwind_get_return_address+0x61/0xa0 [ 37.892791] ? __save_stack_trace+0x8d/0xf0 [ 37.897103] ? save_stack+0xa9/0xd0 [ 37.900728] ? save_stack+0x43/0xd0 [ 37.904347] ? __kasan_slab_free+0x102/0x150 [ 37.908751] ? kasan_slab_free+0xe/0x10 [ 37.912707] ? kmem_cache_free+0x83/0x290 [ 37.916835] ? putname+0xf2/0x130 [ 37.920267] ? do_sys_open+0x54d/0x700 [ 37.924133] ? __x64_sys_openat+0x9d/0x100 [ 37.928351] ? do_syscall_64+0x1b9/0x820 [ 37.932831] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.938442] ? trace_hardirqs_off+0xb8/0x310 [ 37.942827] ? kasan_check_read+0x11/0x20 [ 37.946959] ? do_raw_spin_unlock+0xa7/0x2f0 [ 37.951377] ? trace_hardirqs_on+0x310/0x310 [ 37.955766] ? kasan_check_write+0x14/0x20 [ 37.959979] ? trace_hardirqs_off+0xb8/0x310 [ 37.964366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.969895] ? check_preemption_disabled+0x48/0x200 [ 37.974907] ? check_preemption_disabled+0x48/0x200 [ 37.979907] ? ext4_ioctl_group_add+0x560/0x560 [ 37.984572] do_vfs_ioctl+0x1de/0x1720 [ 37.988470] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 37.993730] ? ioctl_preallocate+0x300/0x300 [ 37.998118] ? memset+0x31/0x40 [ 38.001376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.006895] ? smack_file_ioctl+0x210/0x3c0 [ 38.011196] ? fget_raw+0x20/0x20 [ 38.014631] ? smack_file_lock+0x2e0/0x2e0 [ 38.018868] ? do_syscall_64+0x9a/0x820 [ 38.022822] ? do_syscall_64+0x9a/0x820 [ 38.026779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.032297] ? security_file_ioctl+0x94/0xc0 [ 38.036687] ksys_ioctl+0xa9/0xd0 [ 38.040125] __x64_sys_ioctl+0x73/0xb0 [ 38.043993] do_syscall_64+0x1b9/0x820 [ 38.047864] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.053208] ? syscall_return_slowpath+0x5e0/0x5e0 [ 38.058117] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.062940] ? trace_hardirqs_on_caller+0x310/0x310 [ 38.067938] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 38.072939] ? prepare_exit_to_usermode+0x291/0x3b0 [ 38.077938] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.082777] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.087948] RIP: 0033:0x440009 [ 38.091122] 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 [ 38.110018] RSP: 002b:00007ffe44a30218 EFLAGS: 00000213 ORIG_RAX: 0000000000000010 [ 38.117709] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440009 [ 38.124957] RDX: 0000000000440009 RSI: 0000000000006611 RDI: 0000000000000003 [ 38.132207] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 38.139457] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000401890 [ 38.146706] R13: 0000000000401920 R14: 0000000000000000 R15: 0000000000000000 [ 38.153957] Modules linked in: [ 38.157225] ---[ end trace 76f2d33db2c998f4 ]--- [ 38.161999] RIP: 0010:rb_erase+0x306/0x3710 [ 38.166427] 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 [ 38.185545] RSP: 0018:ffff8801d7d76918 EFLAGS: 00010202 [ 38.190925] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 38.198327] RDX: 1ffff1003afaed2b RSI: ffffffff8afbc860 RDI: 0000000000000008 [ 38.205662] RBP: ffff8801d7d77320 R08: dffffc0000000000 R09: fffffbfff12d6990 [ 38.212931] R10: fffffbfff12d6990 R11: ffffffff896b4c83 R12: ffff8801c2c4d570 [ 38.220219] R13: dffffc0000000000 R14: ffff8801d7d772f8 R15: ffff8801d7d77438 [ 38.227519] FS: 00000000014e5880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 38.235785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.241662] CR2: 0000000020000080 CR3: 00000001cbc2c000 CR4: 00000000001406f0 [ 38.248952] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.256247] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.263526] Kernel panic - not syncing: Fatal exception [ 38.269762] Kernel Offset: disabled [ 38.273381] Rebooting in 86400 seconds..