Warning: Permanently added '10.128.0.243' (ED25519) to the list of known hosts.
executing program
[ 123.921848][ T4192] loop0: detected capacity change from 0 to 8192
[ 123.975500][ T4192] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal
[ 123.986787][ T4192] REISERFS (device loop0): using ordered data mode
[ 123.993415][ T4192] reiserfs: using flush barriers
[ 124.000575][ T4192] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
[ 124.017359][ T4192] REISERFS (device loop0): checking transaction log (loop0)
[ 124.038880][ T4192] REISERFS (device loop0): Using tea hash to sort names
[ 286.649754][ T27] INFO: task syz-executor374:4195 blocked for more than 143 seconds.
[ 286.658582][ T27] Not tainted 5.15.185-syzkaller #0
[ 286.664311][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.673615][ T27] task:syz-executor374 state:D stack:28752 pid: 4195 ppid: 4190 flags:0x00004006
[ 286.683512][ T27] Call Trace:
[ 286.687138][ T27]
[ 286.690178][ T27] __schedule+0x11b8/0x43b0
[ 286.694789][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.701124][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.707242][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 286.713408][ T27] ? lock_chain_count+0x20/0x20
[ 286.718678][ T27] ? _raw_spin_lock_irq+0xab/0xe0
[ 286.723829][ T27] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 286.729621][ T27] schedule+0x11b/0x1e0
[ 286.733790][ T27] rwsem_down_write_slowpath+0xc46/0x11f0
[ 286.740154][ T27] ? rwsem_write_trylock+0x1b0/0x1b0
[ 286.745541][ T27] ? user_get_super+0xb8/0x240
[ 286.750649][ T27] ? rwsem_write_trylock+0x12f/0x1b0
[ 286.755956][ T27] user_get_super+0xcd/0x240
[ 286.760835][ T27] __se_sys_quotactl+0x45e/0x6c0
[ 286.765770][ T27] ? __lock_acquire+0x7c60/0x7c60
[ 286.771092][ T27] ? __x64_sys_quotactl+0xa0/0xa0
[ 286.776485][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 286.782678][ T27] ? lock_chain_count+0x20/0x20
[ 286.788117][ T27] ? vtime_user_exit+0x2dc/0x400
[ 286.793087][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 286.798802][ T27] do_syscall_64+0x4c/0xa0
[ 286.803330][ T27] ? clear_bhb_loop+0x30/0x80
[ 286.808484][ T27] ? clear_bhb_loop+0x30/0x80
[ 286.813179][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.819918][ T27] RIP: 0033:0x7f79f34c13c9
[ 286.824524][ T27] RSP: 002b:00007f79f345d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
[ 286.833360][ T27] RAX: ffffffffffffffda RBX: 00007f79f35495f8 RCX: 00007f79f34c13c9
[ 286.841671][ T27] RDX: 0000000000000000 RSI: 00002000000000c0 RDI: ffffffff80000302
[ 286.850180][ T27] RBP: 00007f79f35495f0 R08: 00007ffd2ab099a7 R09: 0000000000000000
[ 286.858401][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[ 286.866668][ T27] R13: 0030656c69662f2e R14: 0000200000000040 R15: 7366726573696572
[ 286.874932][ T27]
[ 286.878497][ T27]
[ 286.878497][ T27] Showing all locks held in the system:
[ 286.886786][ T27] 1 lock held by khungtaskd/27:
[ 286.891926][ T27] #0: ffffffff8c11bfa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.901762][ T27] 2 locks held by getty/3941:
[ 286.906822][ T27] #0: ffff88814c52e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.917044][ T27] #1: ffffc90002ce62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 286.928213][ T27] 3 locks held by syz-executor374/4192:
[ 286.934415][ T27] 1 lock held by syz-executor374/4195:
[ 286.940558][ T27] #0: ffff88801a5940e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: user_get_super+0xcd/0x240
[ 286.951288][ T27]
[ 286.953720][ T27] =============================================
[ 286.953720][ T27]
[ 286.962545][ T27] NMI backtrace for cpu 1
[ 286.966888][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.185-syzkaller #0
[ 286.975013][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 286.985158][ T27] Call Trace:
[ 286.988446][ T27]
[ 286.991460][ T27] dump_stack_lvl+0x168/0x230
[ 286.996641][ T27] ? show_regs_print_info+0x20/0x20
[ 287.001869][ T27] ? load_image+0x3b0/0x3b0
[ 287.006409][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 287.011997][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 287.017442][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 287.022778][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 287.028962][ T27] ? _printk+0xcc/0x110
[ 287.033246][ T27] ? load_image+0x3b0/0x3b0
[ 287.037765][ T27] ? load_image+0x3b0/0x3b0
[ 287.042283][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.048449][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 287.054611][ T27] watchdog+0xe0f/0xe50
[ 287.058790][ T27] kthread+0x436/0x520
[ 287.062946][ T27] ? hungtask_pm_notify+0x40/0x40
[ 287.067964][ T27] ? kthread_blkcg+0xd0/0xd0
[ 287.072559][ T27] ret_from_fork+0x1f/0x30
[ 287.076988][ T27]
[ 287.080139][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 287.085455][ C0] NMI backtrace for cpu 0
[ 287.085465][ C0] CPU: 0 PID: 4192 Comm: syz-executor374 Not tainted 5.15.185-syzkaller #0
[ 287.085480][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 287.085487][ C0] RIP: 0010:search_by_key+0x861/0x4390
[ 287.085508][ C0] Code: 00 bf ff ff ff ff 8b 5c 24 5c 89 de e8 d8 11 7a ff 83 fb ff 74 0a e8 6e 0e 7a ff 41 89 df eb 72 e8 64 0e 7a ff 48 8b 44 24 68 <42> 80 3c 28 00 48 8b 5c 24 10 74 08 48 89 df e8 5b 86 bf ff 48 8b
[ 287.085519][ C0] RSP: 0018:ffffc90002daf260 EFLAGS: 00000293
[ 287.085532][ C0] RAX: 1ffff110034b28cf RBX: 00000000ffffffff RCX: ffff888075f30000
[ 287.085543][ C0] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 00000000ffffffff
[ 287.085552][ C0] RBP: ffffc90002daf520 R08: dffffc0000000000 R09: ffffed100dfb9075
[ 287.085562][ C0] R10: ffffed100dfb9075 R11: 1ffff1100dfb9074 R12: ffffc90002daf838
[ 287.085572][ C0] R13: dffffc0000000000 R14: ffff88806fdc83a0 R15: 00000000ffffffff
[ 287.085582][ C0] FS: 00007f79f347e6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 287.085594][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 287.085604][ C0] CR2: 000055b6a41d4168 CR3: 000000007e037000 CR4: 00000000003506f0
[ 287.085617][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 287.085625][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 287.085633][ C0] Call Trace:
[ 287.085638][ C0]
[ 287.085655][ C0] ? pathrelse+0x140/0x140
[ 287.085668][ C0] ? mark_lock+0x94/0x320
[ 287.085695][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 287.085713][ C0] search_by_entry_key+0x32/0x1370
[ 287.085728][ C0] ? __brelse+0x55/0x90
[ 287.085741][ C0] ? pathrelse+0xe2/0x140
[ 287.085756][ C0] reiserfs_find_entry+0xeec/0x18e0
[ 287.085777][ C0] ? reiserfs_get_parent+0x270/0x270
[ 287.085789][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 287.085807][ C0] ? mutex_lock_nested+0x17/0x20
[ 287.085824][ C0] reiserfs_lookup+0x1a7/0x420
[ 287.085837][ C0] ? reiserfs_find_entry+0x18e0/0x18e0
[ 287.085862][ C0] ? __init_waitqueue_head+0xa5/0x150
[ 287.085880][ C0] __lookup_slow+0x27d/0x3d0
[ 287.085896][ C0] ? lookup_one_len+0x2c0/0x2c0
[ 287.085918][ C0] lookup_one_len+0x18e/0x2c0
[ 287.085933][ C0] ? lookup_one_common+0x460/0x460
[ 287.085951][ C0] reiserfs_lookup_privroot+0x85/0x1e0
[ 287.085967][ C0] reiserfs_fill_super+0x1f65/0x23e0
[ 287.085990][ C0] ? reiserfs_kill_sb+0x140/0x140
[ 287.086003][ C0] ? snprintf+0xd7/0x120
[ 287.086018][ C0] ? vscnprintf+0x80/0x80
[ 287.086031][ C0] ? set_blocksize+0x1f1/0x370
[ 287.086046][ C0] ? sb_set_blocksize+0xa5/0xe0
[ 287.086060][ C0] mount_bdev+0x287/0x3c0
[ 287.086076][ C0] ? reiserfs_kill_sb+0x140/0x140
[ 287.086090][ C0] legacy_get_tree+0xe6/0x180
[ 287.086102][ C0] ? remove_save_link+0x3c0/0x3c0
[ 287.086117][ C0] vfs_get_tree+0x88/0x270
[ 287.086132][ C0] do_new_mount+0x24a/0xa40
[ 287.086151][ C0] __se_sys_mount+0x2d6/0x3c0
[ 287.086168][ C0] ? __x64_sys_mount+0xc0/0xc0
[ 287.086184][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 287.086198][ C0] ? __x64_sys_mount+0x1c/0xc0
[ 287.086213][ C0] do_syscall_64+0x4c/0xa0
[ 287.086226][ C0] ? clear_bhb_loop+0x30/0x80
[ 287.086239][ C0] ? clear_bhb_loop+0x30/0x80
[ 287.086252][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 287.086268][ C0] RIP: 0033:0x7f79f34c27ea
[ 287.086281][ C0] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 287.086291][ C0] RSP: 002b:00007f79f347e088 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
[ 287.086305][ C0] RAX: ffffffffffffffda RBX: 00007f79f347e0a0 RCX: 00007f79f34c27ea
[ 287.086314][ C0] RDX: 00002000000000c0 RSI: 0000200000000040 RDI: 00007f79f347e0a0
[ 287.086330][ C0] RBP: 0000200000000040 R08: 00007f79f347e0e0 R09: 0000000000001116
[ 287.086339][ C0] R10: 000000000000800c R11: 0000000000000286 R12: 00002000000000c0
[ 287.086348][ C0] R13: 00007f79f347e0e0 R14: 0000000000000003 R15: 000000000000800c
[ 287.086363][ C0]
[ 287.092403][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.502097][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.185-syzkaller #0
[ 287.510198][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 287.520500][ T27] Call Trace:
[ 287.523790][ T27]
[ 287.526801][ T27] dump_stack_lvl+0x168/0x230
[ 287.531482][ T27] ? show_regs_print_info+0x20/0x20
[ 287.536761][ T27] ? load_image+0x3b0/0x3b0
[ 287.541270][ T27] panic+0x2c9/0x7f0
[ 287.545185][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 287.550996][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 287.555801][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 287.561471][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 287.567645][ T27] watchdog+0xe4e/0xe50
[ 287.571815][ T27] kthread+0x436/0x520
[ 287.575980][ T27] ? hungtask_pm_notify+0x40/0x40
[ 287.581031][ T27] ? kthread_blkcg+0xd0/0xd0
[ 287.585623][ T27] ret_from_fork+0x1f/0x30
[ 287.590232][ T27]
[ 287.593456][ T27] Kernel Offset: disabled
[ 287.597981][ T27] Rebooting in 86400 seconds..