Warning: Permanently added '10.128.10.17' (ED25519) to the list of known hosts. 2025/08/08 19:17:55 ignoring optional flag "sandboxArg"="0" 2025/08/08 19:17:56 parsed 1 programs [ 54.050512][ T4145] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 55.337528][ T4172] veth0_vlan: entered promiscuous mode [ 55.852162][ T2777] veth0_vlan: left promiscuous mode 2025/08/08 19:17:58 executed programs: 0 [ 56.669135][ T4415] veth0_vlan: entered promiscuous mode [ 56.871768][ T4605] syz.2.16[4605]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 56.881987][ T4605] loop2: detected capacity change from 0 to 8 [ 56.890729][ T4605] process 'syz.2.16' launched './file2' with NULL argv: empty string added [ 73.415844][ T4607] veth0_vlan: entered promiscuous mode 2025/08/08 19:18:16 executed programs: 4 [ 73.621437][ T4798] loop3: detected capacity change from 0 to 8 [ 90.187399][ T4800] veth0_vlan: entered promiscuous mode 2025/08/08 19:18:33 executed programs: 6 [ 90.395299][ T4991] loop4: detected capacity change from 0 to 8 [ 106.972175][ T4993] veth0_vlan: entered promiscuous mode 2025/08/08 19:18:49 executed programs: 8 [ 107.179006][ T5184] loop5: detected capacity change from 0 to 8 [ 123.732175][ T5187] veth0_vlan: entered promiscuous mode 2025/08/08 19:19:06 executed programs: 10 [ 123.938717][ T5378] loop6: detected capacity change from 0 to 8 [ 140.492047][ T5380] veth0_vlan: entered promiscuous mode 2025/08/08 19:19:23 executed programs: 12 [ 140.701033][ T5571] loop7: detected capacity change from 0 to 8 [ 157.267323][ T5573] veth0_vlan: entered promiscuous mode 2025/08/08 19:19:40 executed programs: 14 [ 157.475383][ T5764] loop8: detected capacity change from 0 to 8 [ 174.019623][ T5766] veth0_vlan: entered promiscuous mode 2025/08/08 19:19:56 executed programs: 16 [ 174.223394][ T5957] loop9: detected capacity change from 0 to 8 [ 190.809064][ T5959] veth0_vlan: entered promiscuous mode 2025/08/08 19:20:13 executed programs: 18 [ 191.012232][ T6150] loop0: detected capacity change from 0 to 8 [ 207.552180][ T6153] veth0_vlan: entered promiscuous mode 2025/08/08 19:20:30 executed programs: 20 [ 207.754473][ T6344] loop1: detected capacity change from 0 to 8 [ 215.211683][ T29] INFO: task syz-executor:4415 blocked for more than 143 seconds. [ 215.219622][ T29] Not tainted 6.6.101-syzkaller #0 [ 215.225306][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 215.234093][ T29] task:syz-executor state:D stack:11248 pid:4415 ppid:1 flags:0x00004004 [ 215.243424][ T29] Call Trace: [ 215.246705][ T29] [ 215.249865][ T29] __schedule+0x6da/0x13b0 [ 215.254358][ T29] schedule+0x54/0xc0 [ 215.258353][ T29] io_schedule+0x3e/0x60 [ 215.262632][ T29] folio_wait_bit_common+0x20c/0x4b0 [ 215.267918][ T29] ? _compound_head+0x40/0x40 [ 215.272648][ T29] __filemap_get_folio+0x7e/0x3d0 [ 215.277694][ T29] truncate_inode_pages_range+0x2d6/0x690 [ 215.283440][ T29] ? do_raw_spin_unlock+0x59/0x100 [ 215.288565][ T29] evict+0x191/0x340 [ 215.292610][ T29] ? evict_inodes+0x187/0x1f0 [ 215.297312][ T29] evict_inodes+0x199/0x1f0 [ 215.302020][ T29] generic_shutdown_super+0x36/0x100 [ 215.307317][ T29] kill_block_super+0x16/0x40 [ 215.312021][ T29] deactivate_locked_super+0x30/0x110 [ 215.317399][ T29] cleanup_mnt+0x82/0x130 [ 215.321739][ T29] task_work_run+0x7e/0xa0 [ 215.326232][ T29] exit_to_user_mode_loop+0xb9/0xd0 [ 215.331417][ T29] exit_to_user_mode_prepare+0x6c/0xc0 [ 215.336926][ T29] syscall_exit_to_user_mode+0x1a/0x40 [ 215.342398][ T29] do_syscall_64+0x61/0xb0 [ 215.346911][ T29] ? clear_bhb_loop+0x40/0x90 [ 215.351742][ T29] ? clear_bhb_loop+0x40/0x90 [ 215.356510][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 215.362697][ T29] RIP: 0033:0x7fa27a18fc57 [ 215.367128][ T29] RSP: 002b:00007ffe430c9b08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 215.375812][ T29] RAX: 0000000000000000 RBX: 00007fa27a210925 RCX: 00007fa27a18fc57 [ 215.383935][ T29] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe430c9bc0 [ 215.391945][ T29] RBP: 00007ffe430c9bc0 R08: 0000000000000000 R09: 0000000000000000 [ 215.400015][ T29] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe430cac50 [ 215.408013][ T29] R13: 00007fa27a210925 R14: 000000000000de10 R15: 00007ffe430cac90 [ 215.416143][ T29] [ 215.419320][ T29] [ 215.419320][ T29] Showing all locks held in the system: [ 215.427096][ T29] 1 lock held by khungtaskd/29: [ 215.431961][ T29] #0: ffffffff83d86948 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x2e/0x100 [ 215.441890][ T29] 2 locks held by getty/3603: [ 215.446567][ T29] #0: ffff88810a9d58a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40 [ 215.456530][ T29] #1: ffffc9000b2b32f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x1a8/0x6d0 [ 215.466611][ T29] 1 lock held by syz-executor/4415: [ 215.471942][ T29] #0: ffff8881174640e0 (&type->s_umount_key#51){....}-{3:3}, at: deactivate_super+0x2e/0x40 [ 215.482254][ T29] 1 lock held by syz-executor/4607: [ 215.487627][ T29] #0: ffff88810b8210e0 (&type->s_umount_key#51){....}-{3:3}, at: deactivate_super+0x2e/0x40 [ 215.497952][ T29] 1 lock held by syz-executor/4800: [ 215.503256][ T29] #0: ffff888144e7d0e0 (&type->s_umount_key#51){....}-{3:3}, at: deactivate_super+0x2e/0x40 [ 215.513464][ T29] 1 lock held by syz-executor/4993: [ 215.518951][ T29] #0: ffff8881492990e0 (&type->s_umount_key#51){....}-{3:3}, at: deactivate_super+0x2e/0x40 [ 215.529258][ T29] 1 lock held by syz-executor/5187: [ 215.534487][ T29] #0: ffff88810b8270e0 (&type->s_umount_key#51){....}-{3:3}, at: deactivate_super+0x2e/0x40 [ 215.544954][ T29] 1 lock held by syz-executor/5380: [ 215.550172][ T29] #0: ffff8881492390e0 (&type->s_umount_key#51){....}-{3:3}, at: deactivate_super+0x2e/0x40 [ 215.560365][ T29] 1 lock held by syz-executor/5573: [ 215.565670][ T29] #0: ffff88811c4a20e0 (&type->s_umount_key#51){....}-{3:3}, at: deactivate_super+0x2e/0x40 [ 215.576587][ T29] 1 lock held by syz-executor/5766: [ 215.582105][ T29] #0: ffff888140ed90e0 (&type->s_umount_key#51){....}-{3:3}, at: deactivate_super+0x2e/0x40 [ 215.592579][ T29] 1 lock held by syz-executor/5959: [ 215.597828][ T29] #0: ffff88811d9a90e0 (&type->s_umount_key#51){....}-{3:3}, at: deactivate_super+0x2e/0x40 [ 215.608426][ T29] 1 lock held by syz-executor/6153: [ 215.613703][ T29] #0: ffff88811d9ad0e0 (&type->s_umount_key#51){....}-{3:3}, at: deactivate_super+0x2e/0x40 [ 215.624115][ T29] [ 215.626463][ T29] ============================================= [ 215.626463][ T29] [ 215.635017][ T29] NMI backtrace for cpu 0 [ 215.639371][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.101-syzkaller #0 [ 215.647247][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 215.657480][ T29] Call Trace: [ 215.660820][ T29] [ 215.663750][ T29] dump_stack_lvl+0x78/0xc0 [ 215.668254][ T29] nmi_cpu_backtrace+0x106/0x160 [ 215.673183][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 215.679339][ T29] nmi_trigger_cpumask_backtrace+0x8e/0x130 [ 215.685310][ T29] watchdog+0x5dc/0x600 [ 215.689453][ T29] ? watchdog+0xd0/0x600 [ 215.693683][ T29] ? hungtask_pm_notify+0x30/0x30 [ 215.698809][ T29] kthread+0xe3/0x100 [ 215.702785][ T29] ? kthread_blkcg+0x30/0x30 [ 215.707449][ T29] ret_from_fork+0x2f/0x40 [ 215.711851][ T29] ? kthread_blkcg+0x30/0x30 [ 215.716428][ T29] ret_from_fork_asm+0x11/0x20 [ 215.721178][ T29] [ 215.724333][ T29] Sending NMI from CPU 0 to CPUs 1: [ 215.729575][ C1] NMI backtrace for cpu 1 [ 215.729579][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.6.101-syzkaller #0 [ 215.729583][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 215.729585][ C1] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 215.729596][ C1] Code: cc cc cc cc cc cc cc f3 0f 1e fa 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 66 90 0f 00 2d a1 60 34 00 f3 0f 1e fa fb f4 cc cc cc cc cc cc cc cc cc cc cc cc 66 0f 1f 00 50 8b 37 83 e6 [ 215.729599][ C1] RSP: 0018:ffffc900000ebee0 EFLAGS: 000002c6 [ 215.729602][ C1] RAX: 1290e8078ad07500 RBX: 0000000000000001 RCX: 1290e8078ad07500 [ 215.729605][ C1] RDX: 49da982df18c1733 RSI: ffffffff8383ed46 RDI: ffffffff83a11ae6 [ 215.729607][ C1] RBP: ffffc900000ebef8 R08: 0000000000000000 R09: 0000000000000066 [ 215.729608][ C1] R10: 0000000000000000 R11: 0000000000000004 R12: 0000000000000000 [ 215.729610][ C1] R13: ffff888102653880 R14: 0000000000000000 R15: 0000000000000000 [ 215.729612][ C1] FS: 0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 215.729615][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 215.729617][ C1] CR2: 000000c0053ab000 CR3: 000000010c329000 CR4: 00000000003506e0 [ 215.729623][ C1] Call Trace: [ 215.729626][ C1] [ 215.729628][ C1] default_idle+0x13/0x20 [ 215.729633][ C1] default_idle_call+0x35/0x50 [ 215.729635][ C1] do_idle+0xda/0x250 [ 215.729643][ C1] cpu_startup_entry+0x24/0x30 [ 215.729646][ C1] start_secondary+0x82/0x90 [ 215.729652][ C1] secondary_startup_64_no_verify+0x179/0x17b [ 215.729659][ C1] [ 215.730725][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 215.894545][ T29] Kernel Offset: disabled [ 215.898922][ T29] Rebooting in 86400 seconds..