Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 520.982683] XFS (loop0): Mounting V4 Filesystem [ 520.988332] XFS (loop0): Log size 128 blocks too small, minimum size is 2880 blocks [ 520.997357] XFS (loop0): Log size out of supported range. [ 521.003433] XFS (loop0): Continuing onwards, but if log hangs are experienced then please report this message in the bug report. [ 521.035473] XFS (loop0): Starting recovery (logdev: internal) [ 717.693479] INFO: task syz-executor129:8113 blocked for more than 140 seconds. [ 717.701106] Not tainted 4.19.211-syzkaller #0 [ 717.707072] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.715313] syz-executor129 D26264 8113 8112 0x00000004 [ 717.720954] Call Trace: [ 717.723600] __schedule+0x887/0x2040 [ 717.727317] ? io_schedule_timeout+0x140/0x140 [ 717.731885] ? lock_downgrade+0x720/0x720 [ 717.736158] schedule+0x8d/0x1b0 [ 717.739542] xlog_grant_head_wait+0x13b/0xcd0 [ 717.744096] xlog_grant_head_check+0x3c8/0x420 [ 717.748678] ? xlog_grant_head_wait+0xcd0/0xcd0 [ 717.753408] xfs_log_reserve+0x347/0xa70 [ 717.757467] ? xlog_ticket_alloc+0x440/0x440 [ 717.761860] ? xfs_mod_fdblocks+0xed/0x420 [ 717.766149] xfs_trans_reserve+0x63a/0x9c0 [ 717.770384] xfs_trans_alloc+0x2f7/0x700 [ 717.774509] xlog_recover_process_intents+0x274/0x430 [ 717.779694] ? xlog_recover_process_bui+0x90/0x90 [ 717.784591] ? do_raw_spin_unlock+0x171/0x230 [ 717.789088] xlog_recover_finish+0x5f/0x230 [ 717.793459] xfs_log_mount_finish+0x135/0x450 [ 717.797956] xfs_mountfs+0x1032/0x1bf0 [ 717.801826] ? xfs_default_resblks+0x60/0x60 [ 717.806291] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 717.811309] ? work_on_cpu_safe+0x90/0x90 [ 717.815528] ? __lockdep_init_map+0x100/0x5a0 [ 717.820018] ? xfs_mru_cache_create+0x473/0x580 [ 717.824750] ? xfs_filestream_get_parent+0xd0/0xd0 [ 717.829677] xfs_fs_fill_super+0xd0e/0x1540 [ 717.834065] mount_bdev+0x2fc/0x3b0 [ 717.837685] ? xfs_test_remount_options+0x90/0x90 [ 717.842541] mount_fs+0xa3/0x310 [ 717.845967] vfs_kern_mount.part.0+0x68/0x470 [ 717.850495] do_mount+0x115c/0x2f50 [ 717.854186] ? do_raw_spin_unlock+0x171/0x230 [ 717.858678] ? check_preemption_disabled+0x41/0x280 [ 717.863754] ? copy_mount_string+0x40/0x40 [ 717.867985] ? copy_mount_options+0x59/0x380 [ 717.872379] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 717.877470] ? kmem_cache_alloc_trace+0x323/0x380 [ 717.882311] ? copy_mount_options+0x26f/0x380 [ 717.886864] ksys_mount+0xcf/0x130 [ 717.890491] __x64_sys_mount+0xba/0x150 [ 717.894551] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 717.899124] do_syscall_64+0xf9/0x620 [ 717.902910] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.908160] RIP: 0033:0x7f33e314960a [ 717.911866] Code: Bad RIP value. [ 717.915277] RSP: 002b:00007ffd98c69a38 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 717.922972] RAX: ffffffffffffffda RBX: 00646975756f6e2c RCX: 00007f33e314960a [ 717.930289] RDX: 000000002000bb00 RSI: 0000000020000000 RDI: 00007ffd98c69a50 [ 717.937624] RBP: 00007ffd98c69a50 R08: 00007ffd98c69a90 R09: 0000000000000002 [ 717.944936] R10: 0000000000008000 R11: 0000000000000206 R12: 0000000000000004 [ 717.952198] R13: 00005555564692c0 R14: 0000000000008000 R15: 00007ffd98c69a90 [ 717.959578] [ 717.959578] Showing all locks held in the system: [ 717.965973] 1 lock held by khungtaskd/1570: [ 717.970275] #0: 0000000094339402 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 717.978940] 2 locks held by syz-executor129/8113: [ 717.983829] #0: 00000000ecd6d50b (&type->s_umount_key#46/1){+.+.}, at: sget_userns+0x20b/0xcd0 [ 717.992671] #1: 00000000b8fd4369 (sb_internal#2){.+.+}, at: xfs_trans_alloc+0x4fc/0x700 [ 718.000961] [ 718.002577] ============================================= [ 718.002577] [ 718.009655] NMI backtrace for cpu 0 [ 718.013345] CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 718.020784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 718.030118] Call Trace: [ 718.032690] dump_stack+0x1fc/0x2ef [ 718.036297] nmi_cpu_backtrace.cold+0x63/0xa2 [ 718.040773] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.045257] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 718.050516] watchdog+0x991/0xe60 [ 718.053949] ? reset_hung_task_detector+0x30/0x30 [ 718.058770] kthread+0x33f/0x460 [ 718.062117] ? kthread_park+0x180/0x180 [ 718.066077] ret_from_fork+0x24/0x30 [ 718.069892] Sending NMI from CPU 0 to CPUs 1: [ 718.074695] NMI backtrace for cpu 1 [ 718.074701] CPU: 1 PID: 4691 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 [ 718.074707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 718.074711] RIP: 0010:write_comp_data+0x23/0x70 [ 718.074722] Code: 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df 01 00 65 8b 05 7a 59 9f 7e a9 00 01 1f 00 75 4f 8b 86 60 13 00 00 <83> f8 03 75 44 48 8b 86 68 13 00 00 8b b6 64 13 00 00 48 8b 38 48 [ 718.074726] RSP: 0018:ffff8880a0e1ff20 EFLAGS: 00000046 [ 718.074734] RAX: 0000000000000000 RBX: ffff8880a0e10540 RCX: ffffffff81007911 [ 718.074739] RDX: 0000000000000001 RSI: ffff8880a0e10540 RDI: 0000000000000005 [ 718.074743] RBP: ffff8880a0e1ff58 R08: 0000000000000000 R09: 0000000000000000 [ 718.074748] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 [ 718.074753] R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000 [ 718.074759] FS: 00007f70238de8c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 718.074763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 718.074768] CR2: 00007f7020cb1000 CR3: 00000000a186e000 CR4: 00000000003406e0 [ 718.074773] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 718.074778] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 718.074781] Call Trace: [ 718.074784] do_syscall_64+0x2f1/0x620 [ 718.074788] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 718.074791] RIP: 0033:0x7f7022b999c7 [ 718.074801] Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48 [ 718.074805] RSP: 002b:00007ffcc40c7bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 718.074814] RAX: 0000000000000000 RBX: 00007ffcc40cac20 RCX: 00007f7022b999c7 [ 718.074819] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000564422cbd9a3 [ 718.074824] RBP: 00007ffcc40c7d40 R08: 0000564422cb33e5 R09: 0000000000000018 [ 718.074829] R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000 [ 718.074834] R13: 0000000000000000 R14: 0000564424b028a0 R15: 00007ffcc40c8230 [ 718.075436] Kernel panic - not syncing: hung_task: blocked tasks [ 718.280797] CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 718.288218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 718.297551] Call Trace: [ 718.300126] dump_stack+0x1fc/0x2ef [ 718.303732] panic+0x26a/0x50e [ 718.306902] ? __warn_printk+0xf3/0xf3 [ 718.310770] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 718.315853] ? cpumask_next+0x3c/0x40 [ 718.319631] ? printk_safe_flush+0xd6/0x120 [ 718.323933] ? watchdog+0x991/0xe60 [ 718.327539] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 718.332972] watchdog+0x9a2/0xe60 [ 718.336407] ? reset_hung_task_detector+0x30/0x30 [ 718.341227] kthread+0x33f/0x460 [ 718.344578] ? kthread_park+0x180/0x180 [ 718.348531] ret_from_fork+0x24/0x30 [ 718.352510] Kernel Offset: disabled [ 718.356125] Rebooting in 86400 seconds..