Warning: Permanently added '10.128.0.85' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 38.216185] kasan: CONFIG_KASAN_INLINE enabled [ 38.220931] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 38.228336] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 38.234611] CPU: 0 PID: 5343 Comm: syz-executor802 Not tainted 4.19.0-rc8+ #286 [ 38.242037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.251385] RIP: 0010:rb_erase+0x306/0x3710 [ 38.255689] 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 [ 38.274573] RSP: 0018:ffff8801d881e918 EFLAGS: 00010202 [ 38.279919] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 38.287169] RDX: 1ffff1003b103d2b RSI: ffffffff8afbc860 RDI: 0000000000000008 [ 38.294421] RBP: ffff8801d881f320 R08: dffffc0000000000 R09: fffffbfff12d6990 [ 38.301669] R10: fffffbfff12d6990 R11: ffffffff896b4c83 R12: ffff8801b6ec9930 [ 38.308938] R13: dffffc0000000000 R14: ffff8801d881f2f8 R15: ffff8801d881f438 [ 38.316190] FS: 00000000011f2880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 38.324393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.330255] CR2: 00000000200002c0 CR3: 00000001d9379000 CR4: 00000000001406f0 [ 38.337507] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.344757] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.352011] Call Trace: [ 38.354586] ? lockdep_on+0x50/0x50 [ 38.358199] ? rb_insert_color+0x1460/0x1460 [ 38.362590] ? noop_count+0x40/0x40 [ 38.366201] ? lock_pin_lock+0x350/0x350 [ 38.370248] ? rcu_bh_qs+0xc0/0xc0 [ 38.373770] ? unwind_dump+0x190/0x190 [ 38.377660] ? kasan_check_read+0x11/0x20 [ 38.381801] ? __lock_acquire+0x2881/0x4ec0 [ 38.386102] ? noop_count+0x40/0x40 [ 38.389724] ? lock_pin_lock+0x350/0x350 [ 38.393765] ? mark_held_locks+0x130/0x130 [ 38.398004] ? check_usage_forwards+0x3e0/0x3e0 [ 38.402661] ? __bfs+0x385/0x7a0 [ 38.406008] ? check_usage+0x1a9/0x790 [ 38.409876] ? lock_pin_lock+0x350/0x350 [ 38.413920] ? check_usage_forwards+0x3e0/0x3e0 [ 38.418573] ? __bfs+0x385/0x7a0 [ 38.421920] ? lockdep_on+0x50/0x50 [ 38.425525] ? lock_pin_lock+0x350/0x350 [ 38.429576] ? mark_held_locks+0x130/0x130 [ 38.433799] ? kasan_check_read+0x11/0x20 [ 38.437938] ? __lock_acquire+0x2881/0x4ec0 [ 38.442256] ? mark_held_locks+0x130/0x130 [ 38.446487] ? print_usage_bug+0xc0/0xc0 [ 38.450560] ? _raw_spin_unlock+0x2c/0x50 [ 38.454692] ? graph_lock+0x170/0x170 [ 38.458479] ? ext4_exit_mballoc+0xc0/0xc0 [ 38.462697] ? __lock_acquire+0x7ec/0x4ec0 [ 38.466914] ? find_held_lock+0x36/0x1c0 [ 38.470961] ? mark_held_locks+0x130/0x130 [ 38.475177] ? lock_downgrade+0x900/0x900 [ 38.479307] ? ext4_es_scan+0x960/0x960 [ 38.483267] ? do_raw_write_trylock+0x1c0/0x1c0 [ 38.487920] ? kasan_check_write+0x14/0x20 [ 38.492135] ? lock_acquire+0x1ed/0x520 [ 38.496088] ? integrity_inode_free+0x77/0x320 [ 38.500656] ? ext4_es_remove_extent+0x151/0x500 [ 38.505394] ? lock_release+0x970/0x970 [ 38.509353] ? kasan_check_write+0x14/0x20 [ 38.513577] ? do_raw_write_lock+0xbd/0x1b0 [ 38.517899] integrity_inode_free+0x12f/0x320 [ 38.522379] security_inode_free+0x19/0x90 [ 38.526626] __destroy_inode+0x328/0x820 [ 38.530673] ? generic_update_time+0x450/0x450 [ 38.535233] ? evict+0x5d8/0x980 [ 38.538579] ? lock_downgrade+0x900/0x900 [ 38.542707] ? __inode_wait_for_writeback+0x2cf/0x380 [ 38.547890] destroy_inode+0xda/0x200 [ 38.551715] ? __destroy_inode+0x820/0x820 [ 38.555933] ? kasan_check_write+0x14/0x20 [ 38.560152] ? do_raw_spin_lock+0xc1/0x200 [ 38.564368] evict+0x5e0/0x980 [ 38.567545] ? destroy_inode+0x200/0x200 [ 38.571593] ? iput+0x671/0xa90 [ 38.574855] ? lock_downgrade+0x900/0x900 [ 38.578986] ? kasan_check_read+0x11/0x20 [ 38.583117] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 38.587712] ? lock_downgrade+0x900/0x900 [ 38.591856] iput+0x679/0xa90 [ 38.594949] ? inode_add_lru+0x2a0/0x2a0 [ 38.599041] ? up_write+0x7b/0x220 [ 38.602572] ? up_read+0x110/0x110 [ 38.606089] ? up_read+0x110/0x110 [ 38.609610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.615130] ? check_preemption_disabled+0x48/0x200 [ 38.620128] ext4_ioctl+0x236f/0x4210 [ 38.623911] ? is_bpf_text_address+0xac/0x170 [ 38.628388] ? ext4_ioctl_group_add+0x560/0x560 [ 38.633042] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 38.638822] ? kasan_check_read+0x11/0x20 [ 38.642950] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 38.648209] ? rcu_bh_qs+0xc0/0xc0 [ 38.651730] ? rcu_bh_qs+0xc0/0xc0 [ 38.655251] ? unwind_dump+0x190/0x190 [ 38.659124] ? is_bpf_text_address+0xd3/0x170 [ 38.663600] ? kernel_text_address+0x79/0xf0 [ 38.667992] ? __kernel_text_address+0xd/0x40 [ 38.672469] ? unwind_get_return_address+0x61/0xa0 [ 38.677383] ? __save_stack_trace+0x8d/0xf0 [ 38.681688] ? save_stack+0xa9/0xd0 [ 38.685292] ? save_stack+0x43/0xd0 [ 38.688911] ? __kasan_slab_free+0x102/0x150 [ 38.693311] ? kasan_slab_free+0xe/0x10 [ 38.697268] ? kmem_cache_free+0x83/0x290 [ 38.701398] ? putname+0xf2/0x130 [ 38.704832] ? do_sys_open+0x54d/0x700 [ 38.708716] ? __x64_sys_openat+0x9d/0x100 [ 38.712932] ? do_syscall_64+0x1b9/0x820 [ 38.716976] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.722325] ? trace_hardirqs_off+0xb8/0x310 [ 38.726711] ? kasan_check_read+0x11/0x20 [ 38.730843] ? do_raw_spin_unlock+0xa7/0x2f0 [ 38.735234] ? trace_hardirqs_on+0x310/0x310 [ 38.739626] ? kasan_check_write+0x14/0x20 [ 38.743841] ? trace_hardirqs_off+0xb8/0x310 [ 38.748232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.753755] ? check_preemption_disabled+0x48/0x200 [ 38.758761] ? check_preemption_disabled+0x48/0x200 [ 38.763764] ? ext4_ioctl_group_add+0x560/0x560 [ 38.768420] do_vfs_ioctl+0x1de/0x1720 [ 38.772290] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 38.777547] ? ioctl_preallocate+0x300/0x300 [ 38.781941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.787460] ? __fget_light+0x2e9/0x430 [ 38.791417] ? fget_raw+0x20/0x20 [ 38.794850] ? putname+0xf2/0x130 [ 38.798284] ? rcu_read_lock_sched_held+0x108/0x120 [ 38.803301] ? kmem_cache_free+0x24f/0x290 [ 38.807514] ? putname+0xf7/0x130 [ 38.810955] ? do_syscall_64+0x9a/0x820 [ 38.814911] ? do_syscall_64+0x9a/0x820 [ 38.818868] ? lockdep_hardirqs_on+0x421/0x5c0 [ 38.823434] ? security_file_ioctl+0x94/0xc0 [ 38.827836] ksys_ioctl+0xa9/0xd0 [ 38.831285] __x64_sys_ioctl+0x73/0xb0 [ 38.835152] do_syscall_64+0x1b9/0x820 [ 38.839020] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.844363] ? syscall_return_slowpath+0x5e0/0x5e0 [ 38.849275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.854098] ? trace_hardirqs_on_caller+0x310/0x310 [ 38.859095] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 38.864093] ? prepare_exit_to_usermode+0x291/0x3b0 [ 38.869091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.873916] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.879086] RIP: 0033:0x440019 [ 38.882258] 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 [ 38.901144] RSP: 002b:00007ffc49e8c128 EFLAGS: 00000213 ORIG_RAX: 0000000000000010 [ 38.908836] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440019 [ 38.916085] RDX: 0000000000440019 RSI: 0000000000006611 RDI: 0000000000000003 [ 38.923337] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 38.930591] R10: 0000000000000000 R11: 0000000000000213 R12: 00000000004018a0 [ 38.937840] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000 [ 38.945093] Modules linked in: [ 38.948395] ---[ end trace a1be76e248b59230 ]--- [ 38.953163] RIP: 0010:rb_erase+0x306/0x3710 [ 38.957467] 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 [ 38.976400] RSP: 0018:ffff8801d881e918 EFLAGS: 00010202 [ 38.981792] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 38.989081] RDX: 1ffff1003b103d2b RSI: ffffffff8afbc860 RDI: 0000000000000008 [ 38.996349] RBP: ffff8801d881f320 R08: dffffc0000000000 R09: fffffbfff12d6990 [ 39.003631] R10: fffffbfff12d6990 R11: ffffffff896b4c83 R12: ffff8801b6ec9930 [ 39.010915] R13: dffffc0000000000 R14: ffff8801d881f2f8 R15: ffff8801d881f438 [ 39.018201] FS: 00000000011f2880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 39.026424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.032317] CR2: 00000000200002c0 CR3: 00000001d9379000 CR4: 00000000001406f0 [ 39.039603] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.046855] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.054133] Kernel panic - not syncing: Fatal exception [ 39.060425] Kernel Offset: disabled [ 39.064051] Rebooting in 86400 seconds..