Warning: Permanently added '10.128.0.144' (ED25519) to the list of known hosts. [ 119.948346][ T4308] cgroup: Unknown subsys name 'net' [ 120.245285][ T4308] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 120.715518][ T4321] loop4: detected capacity change from 0 to 128 executing program [ 120.722977][ T4327] loop1: detected capacity change from 0 to 128 [ 120.723462][ T4322] loop3: detected capacity change from 0 to 128 executing program [ 120.730895][ T4321] VFS: Found a Xenix FS (block size = 1024) on device loop4 [ 120.731192][ T4325] loop2: detected capacity change from 0 to 128 [ 120.739438][ T4329] loop0: detected capacity change from 0 to 128 [ 120.741471][ T4321] syz-executor124: attempt to access beyond end of device [ 120.741471][ T4321] loop4: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 120.744644][ T4321] Buffer I/O error on dev loop4, logical block 3245768, async page read [ 120.745933][ T4322] VFS: Found a Xenix FS (block size = 1024) on device loop3 [ 120.746562][ T4321] syz-executor124: attempt to access beyond end of device [ 120.746562][ T4321] loop4: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 120.746705][ T4327] VFS: Found a Xenix FS (block size = 1024) on device loop1 [ 120.751227][ T4322] syz-executor124: attempt to access beyond end of device [ 120.751227][ T4322] loop3: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 120.756212][ T4321] Buffer I/O error on dev loop4, logical block 8833403, async page read [ 120.758696][ T4321] syz-executor124: attempt to access beyond end of device [ 120.758696][ T4321] loop4: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 120.758817][ T4329] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 120.764154][ T4325] VFS: Found a Xenix FS (block size = 1024) on device loop2 [ 120.766480][ T4322] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 120.766530][ T4321] Buffer I/O error on dev loop4, logical block 13269809, async page read [ 120.769364][ T4329] syz-executor124: attempt to access beyond end of device [ 120.769364][ T4329] loop0: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 120.774411][ T4329] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 120.776276][ T4329] syz-executor124: attempt to access beyond end of device [ 120.776276][ T4329] loop0: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 120.780563][ T4322] syz-executor124: attempt to access beyond end of device [ 120.780563][ T4322] loop3: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 120.781551][ T4327] syz-executor124: attempt to access beyond end of device [ 120.781551][ T4327] loop1: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 120.783472][ T4322] Buffer I/O error on dev loop3, logical block 8833403, async page read [ 120.787502][ T4321] syz-executor124: attempt to access beyond end of device [ 120.787502][ T4321] loop4: rw=0, sector=16147212, nr_sectors = 2 limit=128 [ 120.788016][ T4322] syz-executor124: attempt to access beyond end of device [ 120.788016][ T4322] loop3: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 120.791664][ T4321] Buffer I/O error on dev loop4, logical block 8073606, async page read [ 120.795774][ T4325] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 120.796108][ T4321] Buffer I/O error on dev loop4, logical block 3245771, async page read [ 120.797785][ T4325] Buffer I/O error on dev loop2, logical block 8833403, async page read [ 284.660126][ T28] INFO: task syz-executor124:4330 blocked for more than 143 seconds. [ 284.662100][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 284.663770][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.665678][ T28] task:syz-executor124 state:D stack:0 pid:4330 ppid:4316 flags:0x00000005 [ 284.667593][ T28] Call trace: [ 284.668328][ T28] __switch_to+0x308/0x598 [ 284.669372][ T28] __schedule+0xef4/0x1d44 [ 284.680037][ T28] schedule+0xc4/0x170 [ 284.680955][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 284.682230][ T28] down_write_nested+0x90/0x94 [ 284.683173][ T28] do_unlinkat+0x2d0/0x70c [ 284.684065][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 284.685157][ T28] invoke_syscall+0x98/0x2bc [ 284.686188][ T28] el0_svc_common+0x138/0x258 [ 284.687246][ T28] do_el0_svc+0x58/0x13c [ 284.688154][ T28] el0_svc+0x58/0x168 [ 284.689029][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.710010][ T28] el0t_64_sync+0x18c/0x190 [ 284.711045][ T28] INFO: task syz-executor124:4331 blocked for more than 143 seconds. [ 284.712666][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 284.714124][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.716005][ T28] task:syz-executor124 state:D stack:0 pid:4331 ppid:4315 flags:0x00000005 [ 284.718114][ T28] Call trace: [ 284.718879][ T28] __switch_to+0x308/0x598 [ 284.719830][ T28] __schedule+0xef4/0x1d44 [ 284.740030][ T28] schedule+0xc4/0x170 [ 284.740890][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 284.742147][ T28] down_write_nested+0x90/0x94 [ 284.743229][ T28] do_unlinkat+0x2d0/0x70c [ 284.744340][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 284.745354][ T28] invoke_syscall+0x98/0x2bc [ 284.746364][ T28] el0_svc_common+0x138/0x258 [ 284.747419][ T28] do_el0_svc+0x58/0x13c [ 284.748365][ T28] el0_svc+0x58/0x168 [ 284.749315][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.770004][ T28] el0t_64_sync+0x18c/0x190 [ 284.771141][ T28] INFO: task syz-executor124:4333 blocked for more than 143 seconds. [ 284.772994][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 284.774505][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.776298][ T28] task:syz-executor124 state:D stack:0 pid:4333 ppid:4317 flags:0x00000005 [ 284.778242][ T28] Call trace: [ 284.778922][ T28] __switch_to+0x308/0x598 [ 284.779834][ T28] __schedule+0xef4/0x1d44 [ 284.809008][ T28] schedule+0xc4/0x170 [ 284.810031][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 284.811340][ T28] down_write_nested+0x90/0x94 [ 284.812340][ T28] do_unlinkat+0x2d0/0x70c [ 284.813179][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 284.814190][ T28] invoke_syscall+0x98/0x2bc [ 284.815181][ T28] el0_svc_common+0x138/0x258 [ 284.816127][ T28] do_el0_svc+0x58/0x13c [ 284.817033][ T28] el0_svc+0x58/0x168 [ 284.817772][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.818851][ T28] el0t_64_sync+0x18c/0x190 [ 284.819785][ T28] INFO: task syz-executor124:4334 blocked for more than 143 seconds. [ 284.849995][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 284.851564][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.853318][ T28] task:syz-executor124 state:D stack:0 pid:4334 ppid:4318 flags:0x00000005 [ 284.855455][ T28] Call trace: [ 284.856143][ T28] __switch_to+0x308/0x598 [ 284.857060][ T28] __schedule+0xef4/0x1d44 [ 284.858044][ T28] schedule+0xc4/0x170 [ 284.858931][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 284.880017][ T28] down_write_nested+0x90/0x94 [ 284.881149][ T28] do_unlinkat+0x2d0/0x70c [ 284.882090][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 284.883090][ T28] invoke_syscall+0x98/0x2bc [ 284.884049][ T28] el0_svc_common+0x138/0x258 [ 284.884957][ T28] do_el0_svc+0x58/0x13c [ 284.885883][ T28] el0_svc+0x58/0x168 [ 284.886631][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.887835][ T28] el0t_64_sync+0x18c/0x190 [ 284.888818][ T28] INFO: task syz-executor124:4332 blocked for more than 143 seconds. [ 284.909996][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 284.911545][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.913455][ T28] task:syz-executor124 state:D stack:0 pid:4332 ppid:4314 flags:0x00000005 [ 284.915656][ T28] Call trace: [ 284.916487][ T28] __switch_to+0x308/0x598 [ 284.917442][ T28] __schedule+0xef4/0x1d44 [ 284.918475][ T28] schedule+0xc4/0x170 [ 284.919399][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 284.940082][ T28] down_write_nested+0x90/0x94 [ 284.941131][ T28] do_unlinkat+0x2d0/0x70c [ 284.942091][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 284.943243][ T28] invoke_syscall+0x98/0x2bc [ 284.944118][ T28] el0_svc_common+0x138/0x258 [ 284.945199][ T28] do_el0_svc+0x58/0x13c [ 284.946025][ T28] el0_svc+0x58/0x168 [ 284.946837][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.947967][ T28] el0t_64_sync+0x18c/0x190 [ 284.948940][ T28] [ 284.948940][ T28] Showing all locks held in the system: [ 284.970001][ T28] 1 lock held by rcu_tasks_kthre/12: [ 284.971161][ T28] #0: ffff800015c65570 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 284.973423][ T28] 1 lock held by rcu_tasks_trace/13: [ 284.974577][ T28] #0: ffff800015c65d90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 284.977277][ T28] 1 lock held by khungtaskd/28: [ 284.978369][ T28] #0: ffff800015c653a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 285.000052][ T28] 2 locks held by getty/4052: [ 285.001073][ T28] #0: ffff0000d6093098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 285.003059][ T28] #1: ffff80001d8102f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 285.005337][ T28] 3 locks held by syz-executor124/4321: [ 285.006436][ T28] 2 locks held by syz-executor124/4330: [ 285.007736][ T28] #0: ffff0000d868c460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.009777][ T28] #1: ffff0000e4d0c188 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 285.040021][ T28] 3 locks held by syz-executor124/4322: [ 285.041284][ T28] 2 locks held by syz-executor124/4331: [ 285.042550][ T28] #0: ffff0000d92a0460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.044615][ T28] #1: ffff0000e4cdc188 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 285.046877][ T28] 3 locks held by syz-executor124/4325: [ 285.048131][ T28] 2 locks held by syz-executor124/4333: [ 285.049451][ T28] #0: ffff0000dae5a460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.069713][ T28] #1: ffff0000e4cdc6d0 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 285.072212][ T28] 2 locks held by syz-executor124/4327: [ 285.073412][ T28] 2 locks held by syz-executor124/4334: [ 285.074485][ T28] #0: ffff0000daf6a460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.076314][ T28] #1: ffff0000e4d0c6d0 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 285.078595][ T28] 3 locks held by syz-executor124/4329: [ 285.079773][ T28] 2 locks held by syz-executor124/4332: [ 285.109994][ T28] #0: ffff0000dad0e460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.112261][ T28] #1: ffff0000e4cdcc18 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 285.114355][ T28] [ 285.114876][ T28] ============================================= [ 285.114876][ T28] [ 285.116676][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 285.118056][ T28] CPU: 0 PID: 28 Comm: khungtaskd Tainted: G W 6.1.122-syzkaller #0 [ 285.119891][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 285.122198][ T28] Call trace: [ 285.122819][ T28] dump_backtrace+0x1c8/0x1f4 [ 285.123792][ T28] show_stack+0x2c/0x3c [ 285.124682][ T28] dump_stack_lvl+0x108/0x170 [ 285.125631][ T28] dump_stack+0x1c/0x58 [ 285.126577][ T28] panic+0x300/0x804 [ 285.127393][ T28] hung_task_panic+0x0/0x2c [ 285.128396][ T28] kthread+0x250/0x2d8 [ 285.129290][ T28] ret_from_fork+0x10/0x20 [ 285.130280][ T28] SMP: stopping secondary CPUs [ 285.131287][ T28] Kernel Offset: disabled [ 285.132275][ T28] CPU features: 0x080000,02070084,26017203 [ 285.133632][ T28] Memory Limit: none [ 285.452461][ T28] Rebooting in 86400 seconds..