Warning: Permanently added '10.128.1.195' (ED25519) to the list of known hosts. 2025/10/12 02:47:08 parsed 1 programs [ 60.968818][ T2861] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 61.826507][ T54] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.834522][ T54] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.840012][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.849923][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.850591][ T1496] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.864811][ T1496] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.716382][ T2942] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.723814][ T2942] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.731202][ T2942] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.738668][ T2942] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.640140][ T2942] syz-executor (2942) used greatest stack depth: 11400 bytes left 2025/10/12 02:47:13 executed programs: 0 [ 66.503950][ T3387] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.511613][ T3387] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.519581][ T3387] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.527066][ T3387] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.932614][ T54] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.940486][ T54] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.946912][ T66] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.947927][ T1496] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.955688][ T66] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.970310][ T2922] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.096153][ T4205] loop2: detected capacity change from 0 to 32768 [ 69.141010][ T4205] ERROR: (device loop2): __get_metapage: using a discarded metapage [ 69.141010][ T4205] [ 69.151887][ T4205] ERROR: (device loop2): remounting filesystem as read-only [ 74.144491][ T98] blkno = 8ed2c, nblocks = 1 [ 74.149123][ T98] ERROR: (device loop2): dbUpdatePMap.cold: blocks are outside the map [ 74.149123][ T98] [ 84.658450][ T4338] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 84.666066][ T4338] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 84.673269][ T4338] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 84.680686][ T4338] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 86.522505][ T54] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.530417][ T54] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.536515][ T66] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.538012][ T54] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 86.545572][ T66] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.560455][ T54] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/10/12 02:47:35 executed programs: 3 [ 86.688554][ T4719] loop3: detected capacity change from 0 to 32768 [ 86.739155][ T4719] ERROR: (device loop3): __get_metapage: using a discarded metapage [ 86.739155][ T4719] [ 86.749490][ T4719] ERROR: (device loop3): remounting filesystem as read-only [ 91.744322][ T97] blkno = 8ed2c, nblocks = 1 [ 91.748942][ T97] ERROR: (device loop3): dbUpdatePMap.cold: blocks are outside the map [ 91.748942][ T97] [ 102.245054][ T4729] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 102.252445][ T4729] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 102.259905][ T4729] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 102.267238][ T4729] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 104.149890][ T54] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.157833][ T54] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.163906][ T66] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.165416][ T2922] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 104.172942][ T66] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.187557][ T54] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/10/12 02:47:52 executed programs: 4 [ 104.316609][ T5116] loop4: detected capacity change from 0 to 32768 [ 104.358700][ T5116] ERROR: (device loop4): __get_metapage: using a discarded metapage [ 104.358700][ T5116] [ 104.369033][ T5116] ERROR: (device loop4): remounting filesystem as read-only [ 119.866656][ T5118] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 119.874355][ T5118] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 119.881740][ T5118] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 119.889109][ T5118] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 121.753415][ T2922] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 121.761268][ T2922] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 121.768164][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 121.769031][ T66] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 121.776415][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 121.790955][ T1496] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/10/12 02:48:10 executed programs: 5 [ 121.919328][ T5505] loop5: detected capacity change from 0 to 32768 [ 121.969598][ T5505] ERROR: (device loop5): __get_metapage: using a discarded metapage [ 121.969598][ T5505] [ 121.979934][ T5505] ERROR: (device loop5): remounting filesystem as read-only [ 137.473376][ T5512] netdevsim netdevsim6 netdevsim0: renamed from eth0 [ 137.481053][ T5512] netdevsim netdevsim6 netdevsim1: renamed from eth1 [ 137.488932][ T5512] netdevsim netdevsim6 netdevsim2: renamed from eth2 [ 137.496280][ T5512] netdevsim netdevsim6 netdevsim3: renamed from eth3 [ 139.384243][ T2922] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 139.392083][ T2922] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 139.399927][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 139.400267][ T1496] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 139.415009][ T1496] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 139.422360][ T1496] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/10/12 02:48:28 executed programs: 6 [ 139.552331][ T5901] loop6: detected capacity change from 0 to 32768 [ 139.609495][ T5901] ERROR: (device loop6): __get_metapage: using a discarded metapage [ 139.609495][ T5901] [ 139.619815][ T5901] ERROR: (device loop6): remounting filesystem as read-only [ 155.108114][ T5903] netdevsim netdevsim7 netdevsim0: renamed from eth0 [ 155.115524][ T5903] netdevsim netdevsim7 netdevsim1: renamed from eth1 [ 155.122804][ T5903] netdevsim netdevsim7 netdevsim2: renamed from eth2 [ 155.130483][ T5903] netdevsim netdevsim7 netdevsim3: renamed from eth3 [ 157.028782][ T1496] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 157.036687][ T1496] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 157.044337][ T2922] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 157.052038][ T66] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 157.059993][ T66] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 157.067443][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/10/12 02:48:45 executed programs: 7 [ 157.196641][ T6290] loop7: detected capacity change from 0 to 32768 [ 157.238953][ T6290] ERROR: (device loop7): __get_metapage: using a discarded metapage [ 157.238953][ T6290] [ 157.249378][ T6290] ERROR: (device loop7): remounting filesystem as read-only [ 172.751824][ T6296] netdevsim netdevsim8 netdevsim0: renamed from eth0 [ 172.759381][ T6296] netdevsim netdevsim8 netdevsim1: renamed from eth1 [ 172.766785][ T6296] netdevsim netdevsim8 netdevsim2: renamed from eth2 [ 172.774178][ T6296] netdevsim netdevsim8 netdevsim3: renamed from eth3 [ 174.674057][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 174.681939][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 174.689559][ T66] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 174.697942][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 174.705901][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 174.713260][ T66] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/10/12 02:49:03 executed programs: 8 [ 174.841814][ T6683] loop8: detected capacity change from 0 to 32768 [ 174.899578][ T6683] ERROR: (device loop8): __get_metapage: using a discarded metapage [ 174.899578][ T6683] [ 174.909947][ T6683] ERROR: (device loop8): remounting filesystem as read-only [ 190.400662][ T6686] netdevsim netdevsim9 netdevsim0: renamed from eth0 [ 190.408106][ T6686] netdevsim netdevsim9 netdevsim1: renamed from eth1 [ 190.415879][ T6686] netdevsim netdevsim9 netdevsim2: renamed from eth2 [ 190.423276][ T6686] netdevsim netdevsim9 netdevsim3: renamed from eth3 [ 192.327764][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 192.335627][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 192.343002][ T2922] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 192.351466][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 192.359340][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 192.366724][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/10/12 02:49:21 executed programs: 9 [ 192.492936][ T7075] loop9: detected capacity change from 0 to 32768 [ 192.539867][ T7075] ERROR: (device loop9): __get_metapage: using a discarded metapage [ 192.539867][ T7075] [ 192.550344][ T7075] ERROR: (device loop9): remounting filesystem as read-only [ 208.322429][ T7081] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 208.330254][ T7081] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 208.338047][ T7081] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 208.345886][ T7081] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 210.783931][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 210.791835][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 210.799815][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 210.808199][ T2922] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 210.816054][ T2922] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 210.823442][ T2922] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/10/12 02:49:39 executed programs: 10 [ 210.951818][ T7803] loop0: detected capacity change from 0 to 32768 [ 211.000026][ T7803] ERROR: (device loop0): __get_metapage: using a discarded metapage [ 211.000026][ T7803] [ 211.010428][ T7803] ERROR: (device loop0): remounting filesystem as read-only [ 217.504262][ T25] INFO: task syz.2.16:4205 blocked for more than 143 seconds. [ 217.511737][ T25] Not tainted syzkaller #0 [ 217.516722][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 217.525432][ T25] task:syz.2.16 state:D stack:13240 pid: 4205 ppid: 3387 flags:0x00004004 [ 217.534680][ T25] Call Trace: [ 217.538039][ T25] [ 217.540966][ T25] __schedule+0x2c8/0x7d0 [ 217.545338][ T25] schedule+0x53/0x90 [ 217.549331][ T25] io_schedule+0x3d/0x60 [ 217.553566][ T25] wait_on_page_bit_common+0x1ee/0x8c0 [ 217.559053][ T25] ? file_fdatawait_range+0x40/0x40 [ 217.564282][ T25] release_metapage+0x29e/0x430 [ 217.569148][ T25] __get_metapage+0x6d7/0x920 [ 217.573830][ T25] ? kmem_cache_alloc_trace+0x28b/0x2e0 [ 217.579419][ T25] dtSearch+0xbd9/0xf80 [ 217.583587][ T25] jfs_lookup+0xbf/0x180 [ 217.587847][ T25] ? d_alloc_parallel+0x494/0xab0 [ 217.592907][ T25] ? lockdep_init_map_type+0x49/0x150 [ 217.598428][ T25] ? lockdep_init_map_type+0x49/0x150 [ 217.603812][ T25] __lookup_slow+0x146/0x280 [ 217.608516][ T25] walk_component+0x1f2/0x2a0 [ 217.613251][ T25] path_lookupat+0xc6/0x320 [ 217.617797][ T25] filename_lookup+0xff/0x2a0 [ 217.622510][ T25] ? __check_object_size+0x16e/0x330 [ 217.627811][ T25] ? strncpy_from_user+0x1ff/0x290 [ 217.632935][ T25] ? getname_flags.part.0+0xec/0x270 [ 217.638253][ T25] user_path_at_empty+0x42/0x60 [ 217.643154][ T25] __x64_sys_chdir+0x4b/0x140 [ 217.647844][ T25] ? __context_tracking_exit+0xd6/0x130 [ 217.653407][ T25] do_syscall_64+0x33/0x80 [ 217.657843][ T25] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 217.663763][ T25] RIP: 0033:0x7fc2b56d9929 [ 217.668198][ T25] RSP: 002b:00007fc2b514a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 [ 217.676634][ T25] RAX: ffffffffffffffda RBX: 00007fc2b5900fa0 RCX: 00007fc2b56d9929 [ 217.684636][ T25] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000a40 [ 217.692611][ T25] RBP: 00007fc2b575bb39 R08: 0000000000000000 R09: 0000000000000000 [ 217.700681][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 217.708669][ T25] R13: 0000000000000000 R14: 00007fc2b5900fa0 R15: 00007ffc53209638 [ 217.716661][ T25] [ 217.719759][ T25] [ 217.719759][ T25] Showing all locks held in the system: [ 217.727513][ T25] 1 lock held by khungtaskd/25: [ 217.732350][ T25] #0: ffffffff837a1100 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0xf2 [ 217.742150][ T25] 2 locks held by getty/1327: [ 217.746853][ T25] #0: ffff88810af9e098 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x60 [ 217.756641][ T25] #1: ffffc900020df2e8 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x899/0xa20 [ 217.766692][ T25] 1 lock held by syz.2.16/4205: [ 217.771533][ T25] #0: ffff888113e30e20 (&type->i_mutex_dir_key#8){....}-{3:3}, at: walk_component+0x1e3/0x2a0 [ 217.781919][ T25] 1 lock held by syz.3.17/4719: [ 217.786826][ T25] #0: ffff888113e8c1e0 (&type->i_mutex_dir_key#8){....}-{3:3}, at: walk_component+0x1e3/0x2a0 [ 217.797232][ T25] 1 lock held by syz.4.18/5116: [ 217.802234][ T25] #0: ffff888113e8ed00 (&type->i_mutex_dir_key#8){....}-{3:3}, at: walk_component+0x1e3/0x2a0 [ 217.812781][ T25] 1 lock held by syz.5.19/5505: [ 217.817693][ T25] #0: ffff888113e33940 (&type->i_mutex_dir_key#8){....}-{3:3}, at: walk_component+0x1e3/0x2a0 [ 217.828109][ T25] 1 lock held by syz.6.20/5901: [ 217.832964][ T25] #0: ffff888113fbb940 (&type->i_mutex_dir_key#8){....}-{3:3}, at: walk_component+0x1e3/0x2a0 [ 217.843415][ T25] 1 lock held by syz.7.21/6290: [ 217.848372][ T25] #0: ffff888113fbed00 (&type->i_mutex_dir_key#8){....}-{3:3}, at: walk_component+0x1e3/0x2a0 [ 217.858766][ T25] 1 lock held by syz.8.22/6683: [ 217.863635][ T25] #0: ffff888113e35bc0 (&type->i_mutex_dir_key#8){....}-{3:3}, at: walk_component+0x1e3/0x2a0 [ 217.874042][ T25] 1 lock held by syz.9.23/7075: [ 217.878922][ T25] #0: ffff888113fc30a0 (&type->i_mutex_dir_key#8){....}-{3:3}, at: walk_component+0x1e3/0x2a0 [ 217.889331][ T25] 1 lock held by syz.0.24/7803: [ 217.894197][ T25] #0: ffff888113fc41e0 (&type->i_mutex_dir_key#8){....}-{3:3}, at: walk_component+0x1e3/0x2a0 [ 217.904588][ T25] [ 217.906913][ T25] ============================================= [ 217.906913][ T25] [ 217.915345][ T25] NMI backtrace for cpu 0 [ 217.919671][ T25] CPU: 0 PID: 25 Comm: khungtaskd Not tainted syzkaller #0 [ 217.926863][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 217.936908][ T25] Call Trace: [ 217.940383][ T25] [ 217.943655][ T25] dump_stack_lvl+0x8e/0xdd [ 217.948162][ T25] nmi_cpu_backtrace.cold+0x46/0xde [ 217.953389][ T25] ? lapic_can_unplug_cpu+0x80/0x80 [ 217.958600][ T25] nmi_trigger_cpumask_backtrace+0x11b/0x150 [ 217.964577][ T25] watchdog+0x78d/0x7d0 [ 217.968729][ T25] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 217.974714][ T25] kthread+0x13a/0x160 [ 217.978807][ T25] ? set_kthread_struct+0x60/0x60 [ 217.983841][ T25] ret_from_fork+0x1f/0x30 [ 217.988355][ T25] [ 217.991408][ T25] Sending NMI from CPU 0 to CPUs 1: [ 217.996649][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10 [ 217.997636][ T25] Kernel panic - not syncing: hung_task: blocked tasks [ 218.012659][ T25] Kernel Offset: disabled [ 218.016984][ T25] Rebooting in 86400 seconds..