Warning: Permanently added '10.128.10.61' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 39.225560] kasan: CONFIG_KASAN_INLINE enabled [ 39.230311] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 39.237679] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 39.243897] CPU: 0 PID: 5388 Comm: syz-executor974 Not tainted 4.19.0-rc8+ #73 [ 39.251235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.260601] RIP: 0010:rb_erase+0x306/0x3710 [ 39.264923] 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 [ 39.283821] RSP: 0018:ffff8801d78f6918 EFLAGS: 00010202 [ 39.289185] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 39.296457] RDX: 1ffff1003af1ed2b RSI: ffffffff8afbc860 RDI: 0000000000000008 [ 39.303720] RBP: ffff8801d78f7320 R08: dffffc0000000000 R09: fffffbfff12d6990 [ 39.310974] R10: fffffbfff12d6990 R11: ffffffff896b4c83 R12: ffff8801c300b330 [ 39.318230] R13: dffffc0000000000 R14: ffff8801d78f72f8 R15: ffff8801d78f7438 [ 39.325508] FS: 00000000023aa880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 39.333729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.339603] CR2: 0000000020000080 CR3: 00000001d8069000 CR4: 00000000001406f0 [ 39.346863] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.354120] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.361389] Call Trace: [ 39.363970] ? lockdep_on+0x50/0x50 [ 39.367585] ? rb_insert_color+0x1460/0x1460 [ 39.371993] ? lock_downgrade+0x900/0x900 [ 39.376130] ? noop_count+0x40/0x40 [ 39.379741] ? lock_pin_lock+0x350/0x350 [ 39.383784] ? rcu_bh_qs+0xc0/0xc0 [ 39.387307] ? unwind_dump+0x190/0x190 [ 39.391185] ? kasan_check_read+0x11/0x20 [ 39.395340] ? noop_count+0x40/0x40 [ 39.398956] ? lock_pin_lock+0x350/0x350 [ 39.403002] ? mark_held_locks+0x130/0x130 [ 39.407223] ? check_usage_forwards+0x3e0/0x3e0 [ 39.411878] ? __bfs+0x385/0x7a0 [ 39.415230] ? check_usage+0x1a9/0x790 [ 39.419098] ? lock_pin_lock+0x350/0x350 [ 39.423155] ? check_usage_forwards+0x3e0/0x3e0 [ 39.427805] ? __bfs+0x385/0x7a0 [ 39.431157] ? modules_open+0xa0/0xa0 [ 39.434939] ? lockdep_on+0x50/0x50 [ 39.438557] ? lock_pin_lock+0x350/0x350 [ 39.442633] ? mark_held_locks+0x130/0x130 [ 39.446873] ? kasan_check_read+0x11/0x20 [ 39.451006] ? __lock_acquire+0x2881/0x4ec0 [ 39.455315] ? mark_held_locks+0x130/0x130 [ 39.459533] ? print_usage_bug+0xc0/0xc0 [ 39.463609] ? _raw_spin_unlock+0x2c/0x50 [ 39.467744] ? graph_lock+0x170/0x170 [ 39.471544] ? ext4_exit_mballoc+0xc0/0xc0 [ 39.475771] ? __lock_acquire+0x7ec/0x4ec0 [ 39.479998] ? find_held_lock+0x36/0x1c0 [ 39.484057] ? mark_held_locks+0x130/0x130 [ 39.488276] ? lock_downgrade+0x900/0x900 [ 39.492408] ? ext4_es_scan+0x960/0x960 [ 39.496364] ? lock_release+0x970/0x970 [ 39.500347] ? do_raw_write_trylock+0x1c0/0x1c0 [ 39.505008] ? kasan_check_write+0x14/0x20 [ 39.509227] ? lock_acquire+0x1ed/0x520 [ 39.513204] ? integrity_inode_free+0x77/0x320 [ 39.517772] ? ext4_es_remove_extent+0x151/0x500 [ 39.522517] ? lock_release+0x970/0x970 [ 39.526483] ? kasan_check_write+0x14/0x20 [ 39.530704] ? do_raw_write_lock+0xbd/0x1e0 [ 39.535013] integrity_inode_free+0x12f/0x320 [ 39.539495] security_inode_free+0x19/0x90 [ 39.543716] __destroy_inode+0x328/0x820 [ 39.547763] ? generic_update_time+0x450/0x450 [ 39.552331] ? evict+0x5d8/0x980 [ 39.555684] ? lock_downgrade+0x900/0x900 [ 39.559819] ? __inode_wait_for_writeback+0x2cf/0x380 [ 39.564998] destroy_inode+0xda/0x200 [ 39.568786] ? __destroy_inode+0x820/0x820 [ 39.573009] ? kasan_check_write+0x14/0x20 [ 39.577230] ? do_raw_spin_lock+0xc1/0x230 [ 39.581455] evict+0x5e0/0x980 [ 39.584630] ? destroy_inode+0x200/0x200 [ 39.588675] ? iput+0x671/0xa90 [ 39.591937] ? lock_downgrade+0x900/0x900 [ 39.596075] ? kasan_check_read+0x11/0x20 [ 39.600210] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 39.604774] ? lock_downgrade+0x900/0x900 [ 39.608911] iput+0x679/0xa90 [ 39.612001] ? inode_add_lru+0x2a0/0x2a0 [ 39.616062] ? up_write+0x7b/0x220 [ 39.619584] ? up_read+0x110/0x110 [ 39.623103] ? up_read+0x110/0x110 [ 39.627163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.632688] ? check_preemption_disabled+0x48/0x280 [ 39.637692] ext4_ioctl+0x236f/0x4210 [ 39.641480] ? is_bpf_text_address+0xac/0x170 [ 39.645961] ? ext4_ioctl_group_add+0x560/0x560 [ 39.650616] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 39.656397] ? kasan_check_read+0x11/0x20 [ 39.660530] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 39.665786] ? rcu_bh_qs+0xc0/0xc0 [ 39.669310] ? rcu_bh_qs+0xc0/0xc0 [ 39.672832] ? unwind_dump+0x190/0x190 [ 39.676716] ? is_bpf_text_address+0xd3/0x170 [ 39.681197] ? kernel_text_address+0x79/0xf0 [ 39.685585] ? __kernel_text_address+0xd/0x40 [ 39.690082] ? unwind_get_return_address+0x61/0xa0 [ 39.695001] ? __save_stack_trace+0x8d/0xf0 [ 39.699310] ? save_stack+0xa9/0xd0 [ 39.702914] ? save_stack+0x43/0xd0 [ 39.706537] ? __kasan_slab_free+0x102/0x150 [ 39.710928] ? kasan_slab_free+0xe/0x10 [ 39.714886] ? kmem_cache_free+0x83/0x290 [ 39.719014] ? putname+0xf2/0x130 [ 39.722479] ? do_sys_open+0x54d/0x700 [ 39.726346] ? __x64_sys_openat+0x9d/0x100 [ 39.730566] ? do_syscall_64+0x1b9/0x820 [ 39.734611] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.739967] ? trace_hardirqs_off+0xb8/0x310 [ 39.744357] ? kasan_check_read+0x11/0x20 [ 39.748508] ? do_raw_spin_unlock+0xa7/0x330 [ 39.752899] ? trace_hardirqs_on+0x310/0x310 [ 39.757292] ? kasan_check_write+0x14/0x20 [ 39.761511] ? trace_hardirqs_off+0xb8/0x310 [ 39.765905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.771429] ? check_preemption_disabled+0x48/0x280 [ 39.776436] ? check_preemption_disabled+0x48/0x280 [ 39.781446] ? ext4_ioctl_group_add+0x560/0x560 [ 39.786108] do_vfs_ioctl+0x1de/0x1720 [ 39.789984] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 39.795242] ? ioctl_preallocate+0x300/0x300 [ 39.799636] ? memset+0x31/0x40 [ 39.802901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.808463] ? smack_file_ioctl+0x210/0x3c0 [ 39.812770] ? fget_raw+0x20/0x20 [ 39.816208] ? smack_file_lock+0x2e0/0x2e0 [ 39.820631] ? do_syscall_64+0x9a/0x820 [ 39.824588] ? do_syscall_64+0x9a/0x820 [ 39.828550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.834071] ? security_file_ioctl+0x94/0xc0 [ 39.838475] ksys_ioctl+0xa9/0xd0 [ 39.841917] __x64_sys_ioctl+0x73/0xb0 [ 39.845795] do_syscall_64+0x1b9/0x820 [ 39.849669] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 39.855029] ? syscall_return_slowpath+0x5e0/0x5e0 [ 39.859945] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.864791] ? trace_hardirqs_on_caller+0x310/0x310 [ 39.869803] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 39.874812] ? prepare_exit_to_usermode+0x291/0x3b0 [ 39.879816] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.884647] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.889827] RIP: 0033:0x440009 [ 39.893006] 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 [ 39.911899] RSP: 002b:00007fffe65d3188 EFLAGS: 00000213 ORIG_RAX: 0000000000000010 [ 39.919597] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440009 [ 39.926856] RDX: 0000000000440009 RSI: 0000000000006611 RDI: 0000000000000003 [ 39.934111] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 39.941364] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000401890 [ 39.948791] R13: 0000000000401920 R14: 0000000000000000 R15: 0000000000000000 [ 39.956047] Modules linked in: [ 39.959475] ---[ end trace a7b2946486a4a270 ]--- [ 39.964261] RIP: 0010:rb_erase+0x306/0x3710 [ 39.968620] 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 [ 39.987565] RSP: 0018:ffff8801d78f6918 EFLAGS: 00010202 [ 39.992953] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 40.000240] RDX: 1ffff1003af1ed2b RSI: ffffffff8afbc860 RDI: 0000000000000008 [ 40.007496] RBP: ffff8801d78f7320 R08: dffffc0000000000 R09: fffffbfff12d6990 [ 40.014817] R10: fffffbfff12d6990 R11: ffffffff896b4c83 R12: ffff8801c300b330 [ 40.022105] R13: dffffc0000000000 R14: ffff8801d78f72f8 R15: ffff8801d78f7438 [ 40.029411] FS: 00000000023aa880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 40.037642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.043551] CR2: 0000000020000080 CR3: 00000001d8069000 CR4: 00000000001406f0 [ 40.050839] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.058126] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.065398] Kernel panic - not syncing: Fatal exception [ 40.071697] Kernel Offset: disabled [ 40.075325] Rebooting in 86400 seconds..