Warning: Permanently added '10.128.1.218' (ED25519) to the list of known hosts.
2025/08/30 08:42:01 ignoring optional flag "type"="gce"
2025/08/30 08:42:01 parsed 1 programs
[ 54.090573][ T2608] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
2025/08/30 08:42:04 executed programs: 0
[ 57.747295][ T3485] loop0: detected capacity change from 0 to 256
[ 57.756371][ T3485] exFAT-fs (loop0): failed to load upcase table (idx : 0x000104d0, chksum : 0x60d18cac, utbl_chksum : 0xe619d30d)
2025/08/30 08:42:36 executed programs: 1
2025/08/30 08:42:41 executed programs: 458
2025/08/30 08:42:46 executed programs: 1159
2025/08/30 08:42:51 executed programs: 1862
2025/08/30 08:42:56 executed programs: 2565
2025/08/30 08:43:01 executed programs: 3265
2025/08/30 08:43:06 executed programs: 3962
2025/08/30 08:43:11 executed programs: 4655
2025/08/30 08:43:16 executed programs: 5344
2025/08/30 08:43:21 executed programs: 6048
2025/08/30 08:43:26 executed programs: 6750
2025/08/30 08:43:31 executed programs: 7462
2025/08/30 08:43:36 executed programs: 8171
2025/08/30 08:43:41 executed programs: 8884
2025/08/30 08:43:46 executed programs: 9595
2025/08/30 08:43:51 executed programs: 10293
2025/08/30 08:43:56 executed programs: 10998
2025/08/30 08:44:01 executed programs: 11692
2025/08/30 08:44:06 executed programs: 12384
2025/08/30 08:44:11 executed programs: 13086
2025/08/30 08:44:16 executed programs: 13792
2025/08/30 08:44:21 executed programs: 14491
2025/08/30 08:44:26 executed programs: 15191
2025/08/30 08:44:31 executed programs: 15895
2025/08/30 08:44:36 executed programs: 16602
2025/08/30 08:44:41 executed programs: 17311
[ 215.094951][ T31] INFO: task syz-executor.0:3485 blocked for more than 143 seconds.
[ 215.103100][ T31] Not tainted syzkaller #0
[ 215.108136][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 215.116955][ T31] task:syz-executor.0 state:D stack:13544 pid:3485 tgid:3484 ppid:3070 task_flags:0x400140 flags:0x00004006
[ 215.128898][ T31] Call Trace:
[ 215.132194][ T31]
[ 215.135177][ T31] __schedule+0x738/0xc00
[ 215.139536][ T31] ? schedule+0x21/0x140
[ 215.143855][ T31] schedule+0xac/0x140
[ 215.147992][ T31] schedule_preempt_disabled+0x32/0x60
[ 215.153443][ T31] rwsem_down_write_slowpath+0x2e2/0x6f0
[ 215.159299][ T31] down_write+0x61/0x90
[ 215.163461][ T31] vfs_rmdir+0x58/0x180
[ 215.167638][ T31] do_rmdir+0x125/0x300
[ 215.171791][ T31] __x64_sys_rmdir+0x1c/0x30
[ 215.176488][ T31] do_syscall_64+0x8f/0x250
[ 215.180975][ T31] ? fpregs_assert_state_consistent+0x1b/0x30
[ 215.187138][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 215.193035][ T31] RIP: 0033:0x7f58cca7cee9
[ 215.197470][ T31] RSP: 002b:00007f58cd7970c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
[ 215.205892][ T31] RAX: ffffffffffffffda RBX: 00007f58ccbb3fa0 RCX: 00007f58cca7cee9
[ 215.213878][ T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
[ 215.221964][ T31] RBP: 00007f58ccac947f R08: 0000000000000000 R09: 0000000000000000
[ 215.230013][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 215.238086][ T31] R13: 0000000000000006 R14: 00007f58ccbb3fa0 R15: 00007ffea4e0fb88
[ 215.246073][ T31]
[ 215.249100][ T31]
[ 215.249100][ T31] Showing all locks held in the system:
[ 215.256921][ T31] 1 lock held by khungtaskd/31:
[ 215.261967][ T31] #0: ffffffff835e0170 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x2e/0x100
[ 215.271907][ T31] 2 locks held by getty/1587:
[ 215.276760][ T31] #0: ffff888102b5b8a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40
[ 215.286664][ T31] #1: ffffc90002efb2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x1c3/0x6e0
[ 215.296661][ T31] 3 locks held by syz-executor.0/3485:
[ 215.302124][ T31] #0: ffff888102738418 (sb_writers#11){....}-{0:0}, at: do_rmdir+0xb4/0x300
[ 215.311001][ T31] #1: ffff88817c6e1470 (&sb->s_type->i_mutex_key#18/1){....}-{3:3}, at: do_rmdir+0xdb/0x300
[ 215.321347][ T31] #2: ffff88817c6e1470 (&sb->s_type->i_mutex_key#19){....}-{3:3}, at: vfs_rmdir+0x58/0x180
[ 215.331434][ T31]
[ 215.333741][ T31] =============================================
[ 215.333741][ T31]
[ 215.342329][ T31] NMI backtrace for cpu 0
[ 215.342339][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(none)
[ 215.342343][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 215.342345][ T31] Call Trace:
[ 215.342347][ T31]
[ 215.342349][ T31] dump_stack_lvl+0xa2/0xf0
[ 215.342357][ T31] nmi_cpu_backtrace+0x109/0x170
[ 215.342363][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 215.342368][ T31] nmi_trigger_cpumask_backtrace+0x8e/0x140
[ 215.342373][ T31] watchdog+0x581/0x5b0
[ 215.342378][ T31] ? watchdog+0xd1/0x5b0
[ 215.342382][ T31] ? __pfx_watchdog+0x10/0x10
[ 215.342386][ T31] kthread+0x200/0x230
[ 215.342392][ T31] ? __pfx_kthread+0x10/0x10
[ 215.342396][ T31] ret_from_fork+0x9a/0x170
[ 215.342401][ T31] ? __pfx_kthread+0x10/0x10
[ 215.342404][ T31] ret_from_fork_asm+0x1a/0x30
[ 215.342413][ T31]
[ 215.342414][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 215.437861][ C1] NMI backtrace for cpu 1
[ 215.437867][ C1] CPU: 1 UID: 0 PID: 3487 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT(none)
[ 215.437871][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 215.437873][ C1] RIP: 0010:__mutex_lock+0xd8/0xcc0
[ 215.437880][ C1] Code: 08 0f 1f 44 00 00 65 8b 05 69 6c 98 01 89 c0 48 0f a3 05 db 25 ec 00 73 05 e8 04 c2 9a fe 65 4c 8b 2c 25 08 80 34 84 49 8b 2e <89> eb 83 e3 07 48 89 e8 48 83 e0 f8 74 11 83 fb 04 72 39 4c 39 e8
[ 215.437882][ C1] RSP: 0018:ffffc90002427ce0 EFLAGS: 00000202
[ 215.437886][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 12d3a0e7917f6000
[ 215.437888][ C1] RDX: b1ea2938ab18035c RSI: ffffffff831705e6 RDI: ffffffff832cb426
[ 215.437889][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000429
[ 215.437891][ C1] R10: 0000000000000000 R11: ffffffff81597370 R12: ffff888106bb8a68
[ 215.437893][ C1] R13: ffff8881013e8000 R14: ffff888106bb8a00 R15: ffffffff815973ba
[ 215.437894][ C1] FS: 00005555579e4480(0000) GS:ffff8882b39cc000(0000) knlGS:0000000000000000
[ 215.437897][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 215.437899][ C1] CR2: 0000000000000000 CR3: 0000000170544000 CR4: 00000000003506f0
[ 215.437904][ C1] Call Trace:
[ 215.437906][ C1]
[ 215.437908][ C1] ? do_wait+0xbf/0x130
[ 215.437913][ C1] anon_pipe_write+0x4a/0x5b0
[ 215.437918][ C1] ? kernel_wait4+0x175/0x190
[ 215.437921][ C1] ? __pfx_child_wait_callback+0x10/0x10
[ 215.437925][ C1] vfs_write+0x2ee/0x430
[ 215.437930][ C1] ksys_write+0x74/0xf0
[ 215.437934][ C1] do_syscall_64+0x8f/0x250
[ 215.437938][ C1] ? fpregs_assert_state_consistent+0x1b/0x30
[ 215.437942][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 215.437945][ C1] RIP: 0033:0x7f8baf67bbf0
[ 215.437948][ C1] Code: 40 00 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d 11 c3 10 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89
[ 215.437950][ C1] RSP: 002b:00007ffc6a264ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 215.437953][ C1] RAX: ffffffffffffffda RBX: 00000000000089f2 RCX: 00007f8baf67bbf0
[ 215.437955][ C1] RDX: 000000000000000c RSI: 00007ffc6a264fc0 RDI: 00000000000000f8
[ 215.437956][ C1] RBP: 00007ffc6a264f5c R08: 000000001804d2d9 R09: 7fffffffffffffff
[ 215.437958][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000032
[ 215.437959][ C1] R13: 0000000000034969 R14: 0000000000034965 R15: 000000000000000b
[ 215.437963][ C1]
[ 215.438871][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 215.690461][ T31] Kernel Offset: disabled
[ 215.694784][ T31] Rebooting in 86400 seconds..